diff --git a/deps/zahnrad/nuklear.h b/deps/zahnrad/nuklear.h deleted file mode 100644 index bbacbe37cd..0000000000 --- a/deps/zahnrad/nuklear.h +++ /dev/null @@ -1,19498 +0,0 @@ -/* - Nuklear - v1.00 - public domain - no warrenty implied; use at your own risk. - authored from 2015-2016 by Micha Mettke - -ABOUT: - This is a minimal state immediate mode graphical user interface single header - toolkit written in ANSI C and licensed under public domain. - It was designed as a simple embeddable user interface for application and does - not have any dependencies, a default renderbackend or OS window and input handling - but instead provides a very modular library approach by using simple input state - for input and draw commands describing primitive shapes as output. - So instead of providing a layered library that tries to abstract over a number - of platform and render backends it only focuses on the actual UI. - -VALUES: - - Immediate mode graphical user interface toolkit - - Single header library - - Written in C89 (ANSI C) - - Small codebase (~15kLOC) - - Focus on portability, efficiency and simplicity - - No dependencies (not even the standard library if not wanted) - - Fully skinnable and customizable - - Low memory footprint with total memory control if needed or wanted - - UTF-8 support - - No global or hidden state - - Customizable library modules (you can compile and use only what you need) - - Optional font baker and vertex buffer output - -USAGE: - This library is self contained in one single header file and can be used either - in header only mode or in implementation mode. The header only mode is used - by default when included and allows including this header in other headers - and does not contain the actual implementation. - - The implementation mode requires to define the preprocessor macro - NK_IMPLEMENTATION in *one* .c/.cpp file before #includeing this file, e.g.: - - #define NK_IMPLEMENTATION - #include "nuklear.h" - - Also optionally define the symbols listed in the section "OPTIONAL DEFINES" - below in implementation mode if you want to use additional functionality - or need more control over the library. - -FEATURES: - - Absolutely no platform dependent code - - Memory management control ranging from/to - - Ease of use by allocating everything from the standard library - - Control every byte of memory inside the library - - Font handling control ranging from/to - - Use your own font implementation to draw shapes/vertexes - - Use this libraries internal font baking and handling API - - Drawing output control ranging from/to - - Simple shapes for more high level APIs which already having drawing capabilities - - Hardware accessible anti-aliased vertex buffer output - - Customizable colors and properties ranging from/to - - Simple changes to color by filling a simple color table - - Complete control with ability to use skinning to decorate widgets - - Bendable UI library with widget ranging from/to - - Basic widgets like buttons, checkboxes, slider, ... - - Advanced widget like abstract comboboxes, contextual menus,... - - Compile time configuration to only compile what you need - - Subset which can be used if you do not want to link or use the standard library - - Can be easily modified only update on user input instead of frame updates - -OPTIONAL DEFINES: - NK_PRIVATE - If defined declares all functions as static, so they can only be accessed - for the file that creates the implementation - - NK_INCLUDE_FIXED_TYPES - If defined it will include header for fixed sized types - otherwise you have to select the correct types. - - NK_INCLUDE_DEFAULT_ALLOCATOR - if defined it will include header and provide additional functions - to use this library without caring for memory allocation control and therefore - ease memory management. - IMPORTANT: this adds the standard library with malloc and free so don't define - if you don't want to link to the standard library! - - NK_INCLUDE_STANDARD_IO - if defined it will include header and and provide - additional functions depending on file loading and variable arguments - IMPORTANT: this adds the standard library with fopen, fclose,... - as well as va_list,... so don't define this - if you don't want to link to the standard library! - - NK_INCLUDE_VERTEX_BUFFER_OUTPUT - Defining this adds a vertex draw command list backend to this - library, which allows you to convert queue commands into vertex draw commands. - This is mainly if you need a hardware accessible format for OpenGL, DirectX, - Vulkan, Metal,... - - NK_INCLUDE_FONT_BAKING - Defining this adds the `stb_truetype` and `stb_rect_pack` implementation - to this library and provides a default font for font loading and rendering. - If you already have font handling or do not want to use this font handler - you don't have to define it. - - NK_INCLUDE_DEFAULT_FONT - Defining this adds the default font: ProggyClean.ttf font into this library - which can be loaded into a font atlas and allows using this library without - having a truetype font - IMPORTANT: enabling this adds ~12kb to global stack memory - - NK_INCLUDE_COMMAND_USERDATA - Defining this adds a userdata pointer into each command. Can be useful for - example if you want to provide custom shader depending on the used widget. - Can be combined with the style structures. - - NK_ASSERT - If you don't define this, nuklear will use with assert(). - IMPORTANT: it also adds the standard library so define to nothing of not wanted! - - NK_BUFFER_DEFAULT_INITIAL_SIZE - Initial buffer size allocated by all buffers while using the default allocator - functions included by defining NK_INCLUDE_DEFAULT_ALLOCATOR. If you don't - want to allocate the default 4k memory then redefine it. - - NK_MAX_NUMBER_BUFFER - Maximum buffer size for the conversion buffer between float and string - Under normal circumstances this should be more than sufficient. - - NK_INPUT_MAX - Defines the max number of bytes which can be added as text input in one frame. - Under normal circumstances this should be more than sufficient. - - NK_MEMSET - You can define this to 'memset' or your own memset implementation - replacement. If not nuklear will use its own version. - - NK_MEMCOPY - You can define this to 'memcpy' or your own memset implementation - replacement. If not nuklear will use its own version. - - NK_SQRT - You can define this to 'sqrt' or your own sqrt implementation - replacement. If not nuklear will use its own slow and not highly - accurate version. - - NK_SIN - You can define this to 'sinf' or your own sine implementation - replacement. If not nuklear will use its own approximation implementation. - - NK_COS - You can define this to 'cosf' or your own cosine implementation - replacement. If not nuklear will use its own approximation implementation. - - NK_BYTE - NK_INT16 - NK_UINT16 - NK_INT32 - NK_UINT32 - NK_SIZE_TYPE - NK_POINTER_TYPE - If you compile without NK_USE_FIXED_TYPE then a number of standard types - will be selected and compile time validated. If they are incorrect you can - define the correct types. - -CREDITS: - Developed by Micha Mettke and every direct or indirect contributor to the GitHub. - - Embeds stb_texedit, stb_truetype and stb_rectpack by Sean Barret (public domain) - Embeds ProggyClean.ttf font by Tristan Grimmer (MIT license). - - Big thank you to Omar Cornut (ocornut@github) for his imgui library and - giving me the inspiration for this library, Casey Muratori for handmade hero - and his original immediate mode graphical user interface idea and Sean - Barret for his amazing single header libraries which restored by faith - in libraries and brought me to create some of my own. - -LICENSE: - This software is dual-licensed to the public domain and under the following - license: you are granted a perpetual, irrevocable license to copy, modify, - publish and distribute this file as you see fit. -*/ -#ifndef NK_H_ -#define NK_H_ - -#ifdef __cplusplus -extern "C" { -#endif -/* - * ============================================================== - * - * CONSTANTS - * - * =============================================================== - */ -#define NK_UTF_INVALID 0xFFFD /* internal invalid utf8 rune */ -#define NK_UTF_SIZE 4 /* describes the number of bytes a glyph consists of*/ -#ifndef NK_INPUT_MAX -#define NK_INPUT_MAX 16 -#endif -#ifndef NK_MAX_NUMBER_BUFFER -#define NK_MAX_NUMBER_BUFFER 64 -#endif -/* - * =============================================================== - * - * BASIC - * - * =============================================================== - */ -#ifdef NK_INCLUDE_FIXED_TYPES -#include -typedef int16_t nk_short; -typedef uint16_t nk_ushort; -typedef int32_t nk_int; -typedef uint32_t nk_uint; -typedef uint32_t nk_hash; -typedef uintptr_t nk_size; -typedef uintptr_t nk_ptr; -typedef uint32_t nk_flags; -typedef uint32_t nk_rune; -typedef uint8_t nk_byte; -#else -#ifndef NK_BYTE -typedef unsigned char nk_byte; -#else -typedef NK_BYTE nk_byte; -#endif -#ifndef NK_INT16 -typedef short nk_short; -#else -typedef NK_INT16 nk_short; -#endif -#ifndef NK_UINT16 -typedef unsigned short nk_ushort; -#else -typedef NK_UINT16 nk_ushort; -#endif -#ifndef NK_INT32 -typedef short nk_int; -#else -typedef NK_INT32 nk_int; -#endif -#ifndef NK_UINT32 -typedef unsigned short nk_uint; -#else -typedef NK_UINT32 nk_uint; -#endif -#ifndef NK_SIZE_TYPE -typedef unsigned long nk_size; -#else -typedef NK_SIZE_TYPE nk_size; -#endif -#ifndef NK_POINTER_TYPE -typedef unsigned long nk_ptr; -#else -typedef NK_POINTER_TYPE nk_ptr; -#endif -typedef unsigned int nk_hash; -typedef unsigned int nk_flags; -typedef nk_uint nk_rune; -typedef unsigned char nk_byte; -#endif - -#ifdef NK_PRIVATE -#define NK_API static -#else -#define NK_API extern -#endif - -#define NK_INTERN static -#define NK_STORAGE static -#define NK_GLOBAL static - -/* ============================================================================ - * - * API - * - * =========================================================================== */ -#define NK_UNDEFINED (-1.0f) -#define NK_FLAG(x) (1 << (x)) - -struct nk_buffer; -struct nk_allocator; -struct nk_command_buffer; -struct nk_draw_command; -struct nk_convert_config; -struct nk_text_edit; -struct nk_draw_list; -struct nk_user_font; -struct nk_panel; -struct nk_context; - -enum {nk_false, nk_true}; -struct nk_color {nk_byte r,g,b,a;}; -struct nk_vec2 {float x,y;}; -struct nk_vec2i {short x, y;}; -struct nk_rect {float x,y,w,h;}; -struct nk_recti {short x,y,w,h;}; -typedef char nk_glyph[NK_UTF_SIZE]; -typedef union {void *ptr; int id;} nk_handle; -struct nk_image {nk_handle handle;unsigned short w,h;unsigned short region[4];}; -struct nk_scroll {unsigned short x, y;}; -enum nk_heading {NK_UP, NK_RIGHT, NK_DOWN, NK_LEFT}; - -typedef int(*nk_filter)(const struct nk_text_edit*, nk_rune unicode); -typedef void(*nk_paste_f)(nk_handle, struct nk_text_edit*); -typedef void(*nk_copy_f)(nk_handle, const char*, int len); - -enum nk_button_behavior {NK_BUTTON_DEFAULT,NK_BUTTON_REPEATER}; -enum nk_modify {NK_FIXED=nk_false,NK_MODIFIABLE=nk_true}; -enum nk_orientation {NK_VERTICAL,NK_HORIZONTAL}; -enum nk_collapse_states {NK_MINIMIZED=nk_false,NK_MAXIMIZED = nk_true}; -enum nk_show_states {NK_HIDDEN=nk_false,NK_SHOWN=nk_true}; -enum nk_chart_type {NK_CHART_LINES,NK_CHART_COLUMN,NK_CHART_MAX}; -enum nk_chart_event {NK_CHART_HOVERING=0x01, NK_CHART_CLICKED=0x02}; -enum nk_color_format {NK_RGB, NK_RGBA}; -enum nk_popup_type {NK_POPUP_STATIC,NK_POPUP_DYNAMIC}; -enum nk_layout_format {NK_DYNAMIC,NK_STATIC}; -enum nk_tree_type {NK_TREE_NODE,NK_TREE_TAB}; -enum nk_anti_aliasing {NK_ANTI_ALIASING_OFF,NK_ANTI_ALIASING_ON}; - -struct nk_allocator { - nk_handle userdata; - void*(*alloc)(nk_handle, void *old, nk_size); - void(*free)(nk_handle, void*); -}; - -struct nk_draw_null_texture { - nk_handle texture;/* texture handle to a texture with a white pixel */ - struct nk_vec2 uv; /* coordinates to a white pixel in the texture */ -}; -struct nk_convert_config { - float global_alpha; /* global alpha value */ - enum nk_anti_aliasing line_AA; /* line anti-aliasing flag can be turned off if you are tight on memory */ - enum nk_anti_aliasing shape_AA; /* shape anti-aliasing flag can be turned off if you are tight on memory */ - unsigned int circle_segment_count; /* number of segments used for circles: default to 22 */ - unsigned int arc_segment_count; /* number of segments used for arcs: default to 22 */ - unsigned int curve_segment_count; /* number of segments used for curves: default to 22 */ - struct nk_draw_null_texture null; /* handle to texture with a white pixel for shape drawing */ -}; - -enum nk_symbol_type { - NK_SYMBOL_NONE, - NK_SYMBOL_X, - NK_SYMBOL_UNDERSCORE, - NK_SYMBOL_CIRCLE, - NK_SYMBOL_CIRCLE_FILLED, - NK_SYMBOL_RECT, - NK_SYMBOL_RECT_FILLED, - NK_SYMBOL_TRIANGLE_UP, - NK_SYMBOL_TRIANGLE_DOWN, - NK_SYMBOL_TRIANGLE_LEFT, - NK_SYMBOL_TRIANGLE_RIGHT, - NK_SYMBOL_PLUS, - NK_SYMBOL_MINUS, - NK_SYMBOL_MAX -}; - -enum nk_keys { - NK_KEY_NONE, - NK_KEY_SHIFT, - NK_KEY_CTRL, - NK_KEY_DEL, - NK_KEY_ENTER, - NK_KEY_TAB, - NK_KEY_BACKSPACE, - NK_KEY_COPY, - NK_KEY_CUT, - NK_KEY_PASTE, - NK_KEY_UP, - NK_KEY_DOWN, - NK_KEY_LEFT, - NK_KEY_RIGHT, - NK_KEY_TEXT_INSERT_MODE, - NK_KEY_TEXT_LINE_START, - NK_KEY_TEXT_LINE_END, - NK_KEY_TEXT_START, - NK_KEY_TEXT_END, - NK_KEY_TEXT_UNDO, - NK_KEY_TEXT_REDO, - NK_KEY_TEXT_WORD_LEFT, - NK_KEY_TEXT_WORD_RIGHT, - NK_KEY_MAX -}; - -enum nk_buttons { - NK_BUTTON_LEFT, - NK_BUTTON_MIDDLE, - NK_BUTTON_RIGHT, - NK_BUTTON_MAX -}; - -enum nk_style_colors { - NK_COLOR_TEXT, - NK_COLOR_WINDOW, - NK_COLOR_HEADER, - NK_COLOR_BORDER, - NK_COLOR_BUTTON, - NK_COLOR_BUTTON_HOVER, - NK_COLOR_BUTTON_ACTIVE, - NK_COLOR_TOGGLE, - NK_COLOR_TOGGLE_HOVER, - NK_COLOR_TOGGLE_CURSOR, - NK_COLOR_SELECT, - NK_COLOR_SELECT_ACTIVE, - NK_COLOR_SLIDER, - NK_COLOR_SLIDER_CURSOR, - NK_COLOR_SLIDER_CURSOR_HOVER, - NK_COLOR_SLIDER_CURSOR_ACTIVE, - NK_COLOR_PROPERTY, - NK_COLOR_EDIT, - NK_COLOR_EDIT_CURSOR, - NK_COLOR_COMBO, - NK_COLOR_CHART, - NK_COLOR_CHART_COLOR, - NK_COLOR_CHART_COLOR_HIGHLIGHT, - NK_COLOR_SCROLLBAR, - NK_COLOR_SCROLLBAR_CURSOR, - NK_COLOR_SCROLLBAR_CURSOR_HOVER, - NK_COLOR_SCROLLBAR_CURSOR_ACTIVE, - NK_COLOR_TAB_HEADER, - NK_COLOR_COUNT -}; - -enum nk_widget_layout_states { - NK_WIDGET_INVALID, /* The widget cannot be seen and is completely out of view */ - NK_WIDGET_VALID, /* The widget is completely inside the window and can be updated and drawn */ - NK_WIDGET_ROM /* The widget is partially visible and cannot be updated */ -}; - -/* widget states */ -enum nk_widget_states { - NK_WIDGET_STATE_INACTIVE = NK_FLAG(0), /* widget is neither active nor hovered */ - NK_WIDGET_STATE_ENTERED = NK_FLAG(1), /* widget has been hovered on the current frame */ - NK_WIDGET_STATE_HOVERED = NK_FLAG(2), /* widget is being hovered */ - NK_WIDGET_STATE_LEFT = NK_FLAG(3), /* widget is from this frame on not hovered anymore */ - NK_WIDGET_STATE_ACTIVE = NK_FLAG(4) /* widget is currently activated */ -}; - -/* text alignment */ -enum nk_text_align { - NK_TEXT_ALIGN_LEFT = 0x01, - NK_TEXT_ALIGN_CENTERED = 0x02, - NK_TEXT_ALIGN_RIGHT = 0x04, - NK_TEXT_ALIGN_TOP = 0x08, - NK_TEXT_ALIGN_MIDDLE = 0x10, - NK_TEXT_ALIGN_BOTTOM = 0x20 -}; -enum nk_text_alignment { - NK_TEXT_LEFT = NK_TEXT_ALIGN_MIDDLE|NK_TEXT_ALIGN_LEFT, - NK_TEXT_CENTERED = NK_TEXT_ALIGN_MIDDLE|NK_TEXT_ALIGN_CENTERED, - NK_TEXT_RIGHT = NK_TEXT_ALIGN_MIDDLE|NK_TEXT_ALIGN_RIGHT -}; - -enum nk_edit_flags { - NK_EDIT_DEFAULT = 0, - NK_EDIT_READ_ONLY = NK_FLAG(0), - NK_EDIT_AUTO_SELECT = NK_FLAG(1), - NK_EDIT_SIG_ENTER = NK_FLAG(2), - NK_EDIT_ALLOW_TAB = NK_FLAG(3), - NK_EDIT_NO_CURSOR = NK_FLAG(4), - NK_EDIT_SELECTABLE = NK_FLAG(5), - NK_EDIT_CLIPBOARD = NK_FLAG(6), - NK_EDIT_CTRL_ENTER_NEWLINE = NK_FLAG(7), - NK_EDIT_NO_HORIZONTAL_SCROLL = NK_FLAG(8), - NK_EDIT_ALWAYS_INSERT_MODE = NK_FLAG(9), - NK_EDIT_MULTILINE = NK_FLAG(11) -}; -enum nk_edit_types { - NK_EDIT_SIMPLE = NK_EDIT_ALWAYS_INSERT_MODE, - NK_EDIT_FIELD = NK_EDIT_SIMPLE|NK_EDIT_SELECTABLE, - NK_EDIT_BOX = NK_EDIT_ALWAYS_INSERT_MODE| NK_EDIT_SELECTABLE| - NK_EDIT_MULTILINE|NK_EDIT_ALLOW_TAB -}; -enum nk_edit_events { - NK_EDIT_ACTIVE = NK_FLAG(0), /* edit widget is currently being modified */ - NK_EDIT_INACTIVE = NK_FLAG(1), /* edit widget is not active and is not being modified */ - NK_EDIT_ACTIVATED = NK_FLAG(2), /* edit widget went from state inactive to state active */ - NK_EDIT_DEACTIVATED = NK_FLAG(3), /* edit widget went from state active to state inactive */ - NK_EDIT_COMMITED = NK_FLAG(4) /* edit widget has received an enter and lost focus */ -}; - -enum nk_panel_flags { - NK_WINDOW_BORDER = NK_FLAG(0), /* Draws a border around the window to visually separate the window * from the background */ - NK_WINDOW_BORDER_HEADER = NK_FLAG(1), /* Draws a border between window header and body */ - NK_WINDOW_MOVABLE = NK_FLAG(2), /* The movable flag indicates that a window can be moved by user input or * by dragging the window header */ - NK_WINDOW_SCALABLE = NK_FLAG(3), /* The scalable flag indicates that a window can be scaled by user input * by dragging a scaler icon at the button of the window */ - NK_WINDOW_CLOSABLE = NK_FLAG(4), /* adds a closable icon into the header */ - NK_WINDOW_MINIMIZABLE = NK_FLAG(5), /* adds a minimize icon into the header */ - NK_WINDOW_DYNAMIC = NK_FLAG(6), /* special window type growing up in height while being filled to a * certain maximum height */ - NK_WINDOW_NO_SCROLLBAR = NK_FLAG(7), /* Removes the scrollbar from the window */ - NK_WINDOW_TITLE = NK_FLAG(8) /* Forces a header at the top at the window showing the title */ -}; - -/* context */ -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API int nk_init_default(struct nk_context*, const struct nk_user_font*); -#endif -NK_API int nk_init_fixed(struct nk_context*, void *memory, nk_size size, const struct nk_user_font*); -NK_API int nk_init_custom(struct nk_context*, struct nk_buffer *cmds, struct nk_buffer *pool, const struct nk_user_font*); -NK_API int nk_init(struct nk_context*, struct nk_allocator*, const struct nk_user_font*); -NK_API void nk_clear(struct nk_context*); -NK_API void nk_free(struct nk_context*); -#ifdef NK_INCLUDE_COMMAND_USERDATA -NK_API void nk_set_user_data(struct nk_context*, nk_handle handle); -#endif - -/* window */ -NK_API int nk_begin(struct nk_context*, struct nk_panel*, const char *title, struct nk_rect bounds, nk_flags flags); -NK_API void nk_end(struct nk_context*); - -NK_API struct nk_window* nk_window_find(struct nk_context *ctx, const char *name); -NK_API struct nk_rect nk_window_get_bounds(const struct nk_context*); -NK_API struct nk_vec2 nk_window_get_position(const struct nk_context*); -NK_API struct nk_vec2 nk_window_get_size(const struct nk_context*); -NK_API float nk_window_get_width(const struct nk_context*); -NK_API float nk_window_get_height(const struct nk_context*); -NK_API struct nk_panel* nk_window_get_panel(struct nk_context*); -NK_API struct nk_rect nk_window_get_content_region(struct nk_context*); -NK_API struct nk_vec2 nk_window_get_content_region_min(struct nk_context*); -NK_API struct nk_vec2 nk_window_get_content_region_max(struct nk_context*); -NK_API struct nk_vec2 nk_window_get_content_region_size(struct nk_context*); -NK_API struct nk_command_buffer* nk_window_get_canvas(struct nk_context*); - -NK_API int nk_window_has_focus(const struct nk_context*); -NK_API int nk_window_is_collapsed(struct nk_context*, const char*); -NK_API int nk_window_is_closed(struct nk_context*, const char*); -NK_API int nk_window_is_active(struct nk_context*, const char*); -NK_API int nk_window_is_hovered(struct nk_context*); -NK_API int nk_window_is_any_hovered(struct nk_context*); - -NK_API void nk_window_set_bounds(struct nk_context*, struct nk_rect); -NK_API void nk_window_set_position(struct nk_context*, struct nk_vec2); -NK_API void nk_window_set_size(struct nk_context*, struct nk_vec2); -NK_API void nk_window_set_focus(struct nk_context*, const char *name); - -NK_API void nk_window_close(struct nk_context *ctx, const char *name); -NK_API void nk_window_collapse(struct nk_context*, const char *name, enum nk_collapse_states); -NK_API void nk_window_collapse_if(struct nk_context*, const char *name, enum nk_collapse_states, int cond); -NK_API void nk_window_show(struct nk_context*, const char *name, enum nk_show_states); -NK_API void nk_window_show_if(struct nk_context*, const char *name, enum nk_show_states, int cond); - -/* Layout */ -NK_API void nk_layout_row_dynamic(struct nk_context*, float height, int cols); -NK_API void nk_layout_row_static(struct nk_context*, float height, int item_width, int cols); - -NK_API void nk_layout_row_begin(struct nk_context*, enum nk_layout_format, float row_height, int cols); -NK_API void nk_layout_row_push(struct nk_context*, float value); -NK_API void nk_layout_row_end(struct nk_context*); -NK_API void nk_layout_row(struct nk_context*, enum nk_layout_format, float height, int cols, const float *ratio); - -NK_API void nk_layout_space_begin(struct nk_context*, enum nk_layout_format, float height, int widget_count); -NK_API void nk_layout_space_push(struct nk_context*, struct nk_rect); -NK_API void nk_layout_space_end(struct nk_context*); - -NK_API struct nk_rect nk_layout_space_bounds(struct nk_context*); -NK_API struct nk_vec2 nk_layout_space_to_screen(struct nk_context*, struct nk_vec2); -NK_API struct nk_vec2 nk_layout_space_to_local(struct nk_context*, struct nk_vec2); -NK_API struct nk_rect nk_layout_space_rect_to_screen(struct nk_context*, struct nk_rect); -NK_API struct nk_rect nk_layout_space_rect_to_local(struct nk_context*, struct nk_rect); - -/* Layout: Group */ -NK_API int nk_group_begin(struct nk_context*, struct nk_panel*, const char *title, nk_flags); -NK_API void nk_group_end(struct nk_context*); - -/* Layout: Tree */ -NK_API int nk__tree_push(struct nk_context*, enum nk_tree_type, const char *title, enum nk_collapse_states initial_state, const char *hash2, int seed); -#define nk_tree_push(ctx, type, title, state) nk__tree_push(ctx, type, title, state, __FILE__,__LINE__) -NK_API void nk_tree_pop(struct nk_context*); - -/* Widgets */ -NK_API void nk_text(struct nk_context*, const char*, int, nk_flags); -NK_API void nk_text_colored(struct nk_context*, const char*, int, nk_flags, struct nk_color); -NK_API void nk_text_wrap(struct nk_context*, const char*, int); -NK_API void nk_text_wrap_colored(struct nk_context*, const char*, int, struct nk_color); - -NK_API void nk_label(struct nk_context*, const char*, nk_flags); -NK_API void nk_label_colored(struct nk_context*, const char*, nk_flags align, struct nk_color); -NK_API void nk_label_wrap(struct nk_context*, const char*); -NK_API void nk_label_colored_wrap(struct nk_context*, const char*, struct nk_color); -NK_API void nk_image(struct nk_context*, struct nk_image); -#ifdef NK_INCLUDE_STANDARD_IO -NK_API void nk_labelf(struct nk_context*, nk_flags, const char*, ...); -NK_API void nk_labelf_colored(struct nk_context*, nk_flags align, struct nk_color, const char*,...); -NK_API void nk_labelf_wrap(struct nk_context*, const char*,...); -NK_API void nk_labelf_colored_wrap(struct nk_context*, struct nk_color, const char*,...); - -NK_API void nk_value_bool(struct nk_context*, const char *prefix, int); -NK_API void nk_value_int(struct nk_context*, const char *prefix, int); -NK_API void nk_value_uint(struct nk_context*, const char *prefix, unsigned int); -NK_API void nk_value_float(struct nk_context*, const char *prefix, float); -NK_API void nk_value_color_byte(struct nk_context*, const char *prefix, struct nk_color); -NK_API void nk_value_color_float(struct nk_context*, const char *prefix, struct nk_color); -NK_API void nk_value_color_hex(struct nk_context*, const char *prefix, struct nk_color); -#endif - -/* Widgets: Buttons */ -NK_API int nk_button_text(struct nk_context *ctx, const char *title, int len, enum nk_button_behavior); -NK_API int nk_button_label(struct nk_context *ctx, const char *title, enum nk_button_behavior); -NK_API int nk_button_color(struct nk_context*, struct nk_color, enum nk_button_behavior); -NK_API int nk_button_symbol(struct nk_context*, enum nk_symbol_type, enum nk_button_behavior); -NK_API int nk_button_image(struct nk_context*, struct nk_image img, enum nk_button_behavior); -NK_API int nk_button_symbol_label(struct nk_context*, enum nk_symbol_type, const char*, nk_flags text_alignment, enum nk_button_behavior); -NK_API int nk_button_symbol_text(struct nk_context*, enum nk_symbol_type, const char*, int, nk_flags alignment, enum nk_button_behavior); -NK_API int nk_button_image_label(struct nk_context*, struct nk_image img, const char*, nk_flags text_alignment, enum nk_button_behavior); -NK_API int nk_button_image_text(struct nk_context*, struct nk_image img, const char*, int, nk_flags alignment, enum nk_button_behavior); - -/* Widgets: Checkbox */ -NK_API int nk_check_label(struct nk_context*, const char*, int active); -NK_API int nk_check_text(struct nk_context*, const char*, int,int active); -NK_API unsigned nk_check_flags_label(struct nk_context*, const char*, unsigned int flags, unsigned int value); -NK_API unsigned nk_check_flags_text(struct nk_context*, const char*, int, unsigned int flags, unsigned int value); -NK_API int nk_checkbox_label(struct nk_context*, const char*, int *active); -NK_API int nk_checkbox_text(struct nk_context*, const char*, int, int *active); -NK_API int nk_checkbox_flags_label(struct nk_context*, const char*, unsigned int *flags, unsigned int value); -NK_API int nk_checkbox_flags_text(struct nk_context*, const char*, int, unsigned int *flags, unsigned int value); - -/* Widgets: Radio */ -NK_API int nk_radio_label(struct nk_context*, const char*, int *active); -NK_API int nk_radio_text(struct nk_context*, const char*, int, int *active); -NK_API int nk_option_label(struct nk_context*, const char*, int active); -NK_API int nk_option_text(struct nk_context*, const char*, int, int active); - -/* Widgets: Selectable */ -NK_API int nk_selectable_label(struct nk_context*, const char*, nk_flags align, int *value); -NK_API int nk_selectable_text(struct nk_context*, const char*, int, nk_flags align, int *value); -NK_API int nk_select_label(struct nk_context*, const char*, nk_flags align, int value); -NK_API int nk_select_text(struct nk_context*, const char*, int, nk_flags align, int value); - -/* Widgets: Slider */ -NK_API float nk_slide_float(struct nk_context*, float min, float val, float max, float step); -NK_API int nk_slide_int(struct nk_context*, int min, int val, int max, int step); -NK_API int nk_slider_float(struct nk_context*, float min, float *val, float max, float step); -NK_API int nk_slider_int(struct nk_context*, int min, int *val, int max, int step); - -/* Widgets: Progressbar */ -NK_API int nk_progress(struct nk_context*, nk_size *cur, nk_size max, int modifyable); -NK_API nk_size nk_prog(struct nk_context*, nk_size cur, nk_size max, int modifyable); - -/* Widgets: Color picker */ -NK_API struct nk_color nk_color_picker(struct nk_context*, struct nk_color, enum nk_color_format); -NK_API int nk_color_pick(struct nk_context*, struct nk_color*, enum nk_color_format); - -NK_API void nk_property_float(struct nk_context *layout, const char *name, float min, float *val, float max, float step, float inc_per_pixel); -NK_API void nk_property_int(struct nk_context *layout, const char *name, int min, int *val, int max, int step, int inc_per_pixel); -NK_API float nk_propertyf(struct nk_context *layout, const char *name, float min, float val, float max, float step, float inc_per_pixel); -NK_API int nk_propertyi(struct nk_context *layout, const char *name, int min, int val, int max, int step, int inc_per_pixel); - -/* Widgets: TextEdit */ -NK_API nk_flags nk_edit_string(struct nk_context*, nk_flags, char *buffer, int *len, int max, nk_filter); -NK_API nk_flags nk_edit_buffer(struct nk_context*, nk_flags, struct nk_text_edit*, nk_filter); - -/* Chart */ -NK_API int nk_chart_begin(struct nk_context*, enum nk_chart_type, int num, float min, float max); -NK_API nk_flags nk_chart_push(struct nk_context*, float); -NK_API void nk_chart_end(struct nk_context*); -NK_API void nk_plot(struct nk_context*, enum nk_chart_type, const float *values, int count, int offset); -NK_API void nk_plot_function(struct nk_context*, enum nk_chart_type, void *userdata, float(*value_getter)(void* user, int index), int count, int offset); - -/* Popups */ -NK_API int nk_popup_begin(struct nk_context*, struct nk_panel*, enum nk_popup_type, const char*, nk_flags, struct nk_rect bounds); -NK_API void nk_popup_close(struct nk_context*); -NK_API void nk_popup_end(struct nk_context*); - -/* Combobox */ -NK_API int nk_combo(struct nk_context*, const char **items, int count, int selected, int item_height); -NK_API int nk_combo_seperator(struct nk_context*, const char *items_seperated_by_seperator, int seperator, int selected, int count, int item_height); -NK_API int nk_combo_string(struct nk_context*, const char *items_seperated_by_zeros, int selected, int count, int item_height); -NK_API int nk_combo_callback(struct nk_context*, void(item_getter)(void*, int, const char**), void *userdata, int selected, int count, int item_height); -NK_API void nk_combobox(struct nk_context*, const char **items, int count, int *selected, int item_height); -NK_API void nk_combobox_string(struct nk_context*, const char *items_seperated_by_zeros, int *selected, int count, int item_height); -NK_API void nk_combobox_seperator(struct nk_context*, const char *items_seperated_by_seperator, int seperator,int *selected, int count, int item_height); -NK_API void nk_combobox_callback(struct nk_context*, void(item_getter)(void*, int, const char**), void*, int *selected, int count, int item_height); - -/* Combobox: abstract */ -NK_API int nk_combo_begin_text(struct nk_context*, struct nk_panel*, const char *selected, int, int max_height); -NK_API int nk_combo_begin_label(struct nk_context*, struct nk_panel*, const char *selected, int max_height); -NK_API int nk_combo_begin_color(struct nk_context*, struct nk_panel*, struct nk_color color, int max_height); -NK_API int nk_combo_begin_symbol(struct nk_context*, struct nk_panel*, enum nk_symbol_type, int max_height); -NK_API int nk_combo_begin_symbol_label(struct nk_context*, struct nk_panel*, const char *selected, enum nk_symbol_type, int height); -NK_API int nk_combo_begin_symbol_text(struct nk_context*, struct nk_panel*, const char *selected, int, enum nk_symbol_type, int height); -NK_API int nk_combo_begin_image(struct nk_context*, struct nk_panel*, struct nk_image img, int max_height); -NK_API int nk_combo_begin_image_label(struct nk_context*, struct nk_panel*, const char *selected, struct nk_image, int height); -NK_API int nk_combo_begin_image_text(struct nk_context*, struct nk_panel*, const char *selected, int, struct nk_image, int height); -NK_API int nk_combo_item_label(struct nk_context*, const char*, nk_flags alignment); -NK_API int nk_combo_item_text(struct nk_context*, const char*,int, nk_flags alignment); -NK_API int nk_combo_item_image_label(struct nk_context*, struct nk_image, const char*, nk_flags alignment); -NK_API int nk_combo_item_image_text(struct nk_context*, struct nk_image, const char*, int,nk_flags alignment); -NK_API int nk_combo_item_symbol_label(struct nk_context*, enum nk_symbol_type, const char*, nk_flags alignment); -NK_API int nk_combo_item_symbol_text(struct nk_context*, enum nk_symbol_type, const char*, int, nk_flags alignment); -NK_API void nk_combo_close(struct nk_context*); -NK_API void nk_combo_end(struct nk_context*); - -/* Contextual */ -NK_API int nk_contextual_begin(struct nk_context*, struct nk_panel*, nk_flags, struct nk_vec2, struct nk_rect trigger_bounds); -NK_API int nk_contextual_item_text(struct nk_context*, const char*, int,nk_flags align); -NK_API int nk_contextual_item_label(struct nk_context*, const char*, nk_flags align); -NK_API int nk_contextual_item_image_label(struct nk_context*, struct nk_image, const char*, nk_flags alignment); -NK_API int nk_contextual_item_image_text(struct nk_context*, struct nk_image, const char*, int len, nk_flags alignment); -NK_API int nk_contextual_item_symbol_label(struct nk_context*, enum nk_symbol_type, const char*, nk_flags alignment); -NK_API int nk_contextual_item_symbol_text(struct nk_context*, enum nk_symbol_type, const char*, int, nk_flags alignment); -NK_API void nk_contextual_close(struct nk_context*); -NK_API void nk_contextual_end(struct nk_context*); - -/* Tooltip */ -NK_API void nk_tooltip(struct nk_context*, const char*); -NK_API int nk_tooltip_begin(struct nk_context*, struct nk_panel*, float width); -NK_API void nk_tooltip_end(struct nk_context*); - -/* Menu */ -NK_API void nk_menubar_begin(struct nk_context*); -NK_API void nk_menubar_end(struct nk_context*); -NK_API int nk_menu_begin_text(struct nk_context*, struct nk_panel*, const char*, int, nk_flags align, float width); -NK_API int nk_menu_begin_label(struct nk_context*, struct nk_panel*, const char*, nk_flags align, float width); -NK_API int nk_menu_begin_image(struct nk_context*, struct nk_panel*, const char*, struct nk_image, float width); -NK_API int nk_menu_begin_image_text(struct nk_context*, struct nk_panel*, const char*, int,nk_flags align,struct nk_image, float width); -NK_API int nk_menu_begin_image_label(struct nk_context*, struct nk_panel*, const char*, nk_flags align,struct nk_image, float width); -NK_API int nk_menu_begin_symbol(struct nk_context*, struct nk_panel*, const char*, enum nk_symbol_type, float width); -NK_API int nk_menu_begin_symbol_text(struct nk_context*, struct nk_panel*, const char*, int,nk_flags align,enum nk_symbol_type, float width); -NK_API int nk_menu_begin_symbol_label(struct nk_context*, struct nk_panel*, const char*, nk_flags align,enum nk_symbol_type, float width); -NK_API int nk_menu_item_text(struct nk_context*, const char*, int,nk_flags align); -NK_API int nk_menu_item_label(struct nk_context*, const char*, nk_flags alignment); -NK_API int nk_menu_item_image_label(struct nk_context*, struct nk_image, const char*, nk_flags alignment); -NK_API int nk_menu_item_image_text(struct nk_context*, struct nk_image, const char*, int len, nk_flags alignment); -NK_API int nk_menu_item_symbol_text(struct nk_context*, enum nk_symbol_type, const char*, int, nk_flags alignment); -NK_API int nk_menu_item_symbol_label(struct nk_context*, enum nk_symbol_type, const char*, nk_flags alignment); -NK_API void nk_menu_close(struct nk_context*); -NK_API void nk_menu_end(struct nk_context*); - -/* Drawing*/ -#define nk_foreach(c, ctx)for((c)=nk__begin(ctx); (c)!=0; (c)=nk__next(ctx, c)) -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT -NK_API void nk_convert(struct nk_context*, struct nk_buffer *cmds, struct nk_buffer *vertices, struct nk_buffer *elements, const struct nk_convert_config*); -#define nk_draw_foreach(cmd,ctx, b) for((cmd)=nk__draw_begin(ctx, b); (cmd)!=0; (cmd)=nk__draw_next(cmd, b, ctx)) -#endif - -/* User Input */ -NK_API void nk_input_begin(struct nk_context*); -NK_API void nk_input_motion(struct nk_context*, int x, int y); -NK_API void nk_input_key(struct nk_context*, enum nk_keys, int down); -NK_API void nk_input_button(struct nk_context*, enum nk_buttons, int x, int y, int down); -NK_API void nk_input_scroll(struct nk_context*, float y); -NK_API void nk_input_char(struct nk_context*, char); -NK_API void nk_input_glyph(struct nk_context*, const nk_glyph); -NK_API void nk_input_unicode(struct nk_context*, nk_rune); -NK_API void nk_input_end(struct nk_context*); - -/* Style */ -NK_API void nk_style_default(struct nk_context*); -NK_API void nk_style_from_table(struct nk_context*, const struct nk_color*); -NK_API const char* nk_style_color_name(enum nk_style_colors); -NK_API void nk_style_set_font(struct nk_context*, const struct nk_user_font*); - -/* Utilities */ -NK_API struct nk_rect nk_widget_bounds(struct nk_context*); -NK_API struct nk_vec2 nk_widget_position(struct nk_context*); -NK_API struct nk_vec2 nk_widget_size(struct nk_context*); -NK_API int nk_widget_is_hovered(struct nk_context*); -NK_API int nk_widget_is_mouse_clicked(struct nk_context*, enum nk_buttons); -NK_API int nk_widget_has_mouse_click_down(struct nk_context*, enum nk_buttons, int down); -NK_API void nk_spacing(struct nk_context*, int cols); - -/* base widget function */ -NK_API enum nk_widget_layout_states nk_widget(struct nk_rect*, const struct nk_context*); -NK_API enum nk_widget_layout_states nk_widget_fitting(struct nk_rect*, struct nk_context*, struct nk_vec2); - -/* color (conversion user --> nuklear) */ -NK_API struct nk_color nk_rgb(int r, int g, int b); -NK_API struct nk_color nk_rgb_iv(const int *rgb); -NK_API struct nk_color nk_rgb_bv(const nk_byte* rgb); -NK_API struct nk_color nk_rgb_f(float r, float g, float b); -NK_API struct nk_color nk_rgb_fv(const float *rgb); -NK_API struct nk_color nk_rgb_hex(const char *rgb); - -NK_API struct nk_color nk_rgba(int r, int g, int b, int a); -NK_API struct nk_color nk_rgba_u32(nk_uint); -NK_API struct nk_color nk_rgba_iv(const int *rgba); -NK_API struct nk_color nk_rgba_bv(const nk_byte *rgba); -NK_API struct nk_color nk_rgba_f(float r, float g, float b, float a); -NK_API struct nk_color nk_rgba_fv(const float *rgba); -NK_API struct nk_color nk_rgba_hex(const char *rgb); - -NK_API struct nk_color nk_hsv(int h, int s, int v); -NK_API struct nk_color nk_hsv_iv(const int *hsv); -NK_API struct nk_color nk_hsv_bv(const nk_byte *hsv); -NK_API struct nk_color nk_hsv_f(float h, float s, float v); -NK_API struct nk_color nk_hsv_fv(const float *hsv); - -NK_API struct nk_color nk_hsva(int h, int s, int v, int a); -NK_API struct nk_color nk_hsva_iv(const int *hsva); -NK_API struct nk_color nk_hsva_bv(const nk_byte *hsva); -NK_API struct nk_color nk_hsva_f(float h, float s, float v, float a); -NK_API struct nk_color nk_hsva_fv(const float *hsva); - -/* color (conversion nuklear --> user) */ -NK_API void nk_color_f(float *r, float *g, float *b, float *a, struct nk_color); -NK_API void nk_color_fv(float *rgba_out, struct nk_color); -NK_API nk_uint nk_color_u32(struct nk_color); -NK_API void nk_color_hex_rgba(char *output, struct nk_color); -NK_API void nk_color_hex_rgb(char *output, struct nk_color); - -NK_API void nk_color_hsv_i(int *out_h, int *out_s, int *out_v, struct nk_color); -NK_API void nk_color_hsv_b(nk_byte *out_h, nk_byte *out_s, nk_byte *out_v, struct nk_color); -NK_API void nk_color_hsv_iv(int *hsv_out, struct nk_color); -NK_API void nk_color_hsv_bv(nk_byte *hsv_out, struct nk_color); -NK_API void nk_color_hsv_f(float *out_h, float *out_s, float *out_v, struct nk_color); -NK_API void nk_color_hsv_fv(float *hsv_out, struct nk_color); - -NK_API void nk_color_hsva_i(int *h, int *s, int *v, int *a, struct nk_color); -NK_API void nk_color_hsva_b(nk_byte *h, nk_byte *s, nk_byte *v, nk_byte *a, struct nk_color); -NK_API void nk_color_hsva_iv(int *hsva_out, struct nk_color); -NK_API void nk_color_hsva_bv(nk_byte *hsva_out, struct nk_color); -NK_API void nk_color_hsva_f(float *out_h, float *out_s, float *out_v, float *out_a, struct nk_color); -NK_API void nk_color_hsva_fv(float *hsva_out, struct nk_color); - -/* image */ -NK_API nk_handle nk_handle_ptr(void*); -NK_API nk_handle nk_handle_id(int); -NK_API struct nk_image nk_image_ptr(void*); -NK_API struct nk_image nk_image_id(int); -NK_API int nk_image_is_subimage(const struct nk_image* img); -NK_API struct nk_image nk_subimage_ptr(void*, unsigned short w, unsigned short h, struct nk_rect sub_region); -NK_API struct nk_image nk_subimage_id(int, unsigned short w, unsigned short h, struct nk_rect sub_region); - -/* math */ -NK_API nk_hash nk_murmur_hash(const void *key, int len, nk_hash seed); -NK_API void nk_triangle_from_direction(struct nk_vec2 *result, struct nk_rect r, float pad_x, float pad_y, enum nk_heading); - -NK_API struct nk_vec2 nk_vec2(float x, float y); -NK_API struct nk_vec2 nk_vec2i(int x, int y); -NK_API struct nk_vec2 nk_vec2v(const float *xy); -NK_API struct nk_vec2 nk_vec2iv(const int *xy); - -NK_API struct nk_rect nk_get_null_rect(void); -NK_API struct nk_rect nk_rect(float x, float y, float w, float h); -NK_API struct nk_rect nk_recti(int x, int y, int w, int h); -NK_API struct nk_rect nk_recta(struct nk_vec2 pos, struct nk_vec2 size); -NK_API struct nk_rect nk_rectv(const float *xywh); -NK_API struct nk_rect nk_rectiv(const int *xywh); - -/* string*/ -NK_API int nk_strlen(const char *str); -NK_API int nk_stricmp(const char *s1, const char *s2); -NK_API int nk_stricmpn(const char *s1, const char *s2, int n); -NK_API int nk_strtof(float *number, const char *buffer); -NK_API int nk_strfilter(const char *text, const char *regexp); -NK_API int nk_strmatch_fuzzy_string(char const *str, char const *pattern, int *out_score); -NK_API int nk_strmatch_fuzzy_text(const char *txt, int txt_len, const char *pattern, int *out_score); -#ifdef NK_INCLUDE_STANDARD_IO -NK_API int nk_strfmt(char *buf, int len, const char *fmt,...); -#endif - -/* UTF-8 */ -NK_API int nk_utf_decode(const char*, nk_rune*, int); -NK_API int nk_utf_encode(nk_rune, char*, int); -NK_API int nk_utf_len(const char*, int byte_len); -NK_API const char* nk_utf_at(const char *buffer, int length, int index, nk_rune *unicode, int *len); - -/* ============================================================== - * - * MEMORY BUFFER - * - * ===============================================================*/ -/* A basic (double)-buffer with linear allocation and resetting as only - freeing policy. The buffers main purpose is to control all memory management - inside the GUI toolkit and still leave memory control as much as possible in - the hand of the user while also making sure the library is easy to use if - not as much control is needed. - In general all memory inside this library can be provided from the user in - three different ways. - - The first way and the one providing most control is by just passing a fixed - size memory block. In this case all control lies in the hand of the user - since he can exactly control where the memory comes from and how much memory - the library should consume. Of course using the fixed size API removes the - ability to automatically resize a buffer if not enough memory is provided so - you have to take over the resizing. While being a fixed sized buffer sounds - quite limiting, it is very effective in this library since the actual memory - consumption is quite stable and has a fixed upper bound for a lot of cases. - - If you don't want to think about how much memory the library should allocate - at all time or have a very dynamic UI with unpredictable memory consumption - habits but still want control over memory allocation you can use the dynamic - allocator based API. The allocator consists of two callbacks for allocating - and freeing memory and optional userdata so you can plugin your own allocator. - - The final and easiest way can be used by defining - NK_INCLUDE_DEFAULT_ALLOCATOR which uses the standard library memory - allocation functions malloc and free and takes over complete control over - memory in this library. -*/ -struct nk_memory_status { - void *memory; - unsigned int type; - nk_size size; - nk_size allocated; - nk_size needed; - nk_size calls; -}; - -enum nk_allocation_type { - NK_BUFFER_FIXED, - NK_BUFFER_DYNAMIC -}; - -enum nk_buffer_allocation_type { - NK_BUFFER_FRONT, - NK_BUFFER_BACK, - NK_BUFFER_MAX -}; - -struct nk_buffer_marker { - int active; - nk_size offset; -}; - -struct nk_memory {void *ptr;nk_size size;}; -struct nk_buffer { - struct nk_buffer_marker marker[NK_BUFFER_MAX]; - /* buffer marker to free a buffer to a certain offset */ - struct nk_allocator pool; - /* allocator callback for dynamic buffers */ - enum nk_allocation_type type; - /* memory management type */ - struct nk_memory memory; - /* memory and size of the current memory block */ - float grow_factor; - /* growing factor for dynamic memory management */ - nk_size allocated; - /* total amount of memory allocated */ - nk_size needed; - /* totally consumed memory given that enough memory is present */ - nk_size calls; - /* number of allocation calls */ - nk_size size; - /* current size of the buffer */ -}; - -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API void nk_buffer_init_default(struct nk_buffer*); -#endif -NK_API void nk_buffer_init(struct nk_buffer*, const struct nk_allocator*, nk_size size); -NK_API void nk_buffer_init_fixed(struct nk_buffer*, void *memory, nk_size size); -NK_API void nk_buffer_info(struct nk_memory_status*, struct nk_buffer*); -NK_API void nk_buffer_push(struct nk_buffer*, enum nk_buffer_allocation_type type, - void *memory, nk_size size, nk_size align); -NK_API void nk_buffer_mark(struct nk_buffer*, enum nk_buffer_allocation_type type); -NK_API void nk_buffer_reset(struct nk_buffer*, enum nk_buffer_allocation_type type); -NK_API void nk_buffer_clear(struct nk_buffer*); -NK_API void nk_buffer_free(struct nk_buffer*); -NK_API void *nk_buffer_memory(struct nk_buffer*); -NK_API const void *nk_buffer_memory_const(const struct nk_buffer*); -NK_API nk_size nk_buffer_total(struct nk_buffer*); - -/* ============================================================== - * - * STRING - * - * ===============================================================*/ -/* Basic string buffer which is only used in context of the text editor - * to manage and manipulate dynamic or fixed size string content. This is _NOT_ - * the default string handling method.*/ -struct nk_str { - struct nk_buffer buffer; - int len; /* in glyphs */ -}; - -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API void nk_str_init_default(struct nk_str*); -#endif -NK_API void nk_str_init(struct nk_str*, const struct nk_allocator*, nk_size size); -NK_API void nk_str_init_fixed(struct nk_str*, void *memory, nk_size size); -NK_API void nk_str_clear(struct nk_str*); -NK_API void nk_str_free(struct nk_str*); - -NK_API int nk_str_append_text_char(struct nk_str*, const char*, int); -NK_API int nk_str_append_str_char(struct nk_str*, const char*); -NK_API int nk_str_append_text_utf8(struct nk_str*, const char*, int); -NK_API int nk_str_append_str_utf8(struct nk_str*, const char*); -NK_API int nk_str_append_text_runes(struct nk_str*, const nk_rune*, int); -NK_API int nk_str_append_str_runes(struct nk_str*, const nk_rune*); - -NK_API int nk_str_insert_at_char(struct nk_str*, int pos, const char*, int); -NK_API int nk_str_insert_at_rune(struct nk_str*, int pos, const char*, int); - -NK_API int nk_str_insert_text_char(struct nk_str*, int pos, const char*, int); -NK_API int nk_str_insert_str_char(struct nk_str*, int pos, const char*); -NK_API int nk_str_insert_text_utf8(struct nk_str*, int pos, const char*, int); -NK_API int nk_str_insert_str_utf8(struct nk_str*, int pos, const char*); -NK_API int nk_str_insert_text_runes(struct nk_str*, int pos, const nk_rune*, int); -NK_API int nk_str_insert_str_runes(struct nk_str*, int pos, const nk_rune*); - -NK_API void nk_str_remove_chars(struct nk_str*, int len); -NK_API void nk_str_remove_runes(struct nk_str *str, int len); -NK_API void nk_str_delete_chars(struct nk_str*, int pos, int len); -NK_API void nk_str_delete_runes(struct nk_str*, int pos, int len); - -NK_API char *nk_str_at_char(struct nk_str*, int pos); -NK_API char *nk_str_at_rune(struct nk_str*, int pos, nk_rune *unicode, int *len); -NK_API nk_rune nk_str_rune_at(const struct nk_str*, int pos); -NK_API const char *nk_str_at_char_const(const struct nk_str*, int pos); -NK_API const char *nk_str_at_const(const struct nk_str*, int pos, nk_rune *unicode, int *len); - -NK_API char *nk_str_get(struct nk_str*); -NK_API const char *nk_str_get_const(const struct nk_str*); -NK_API int nk_str_len(struct nk_str*); -NK_API int nk_str_len_char(struct nk_str*); - -/*=============================================================== - * - * TEXT EDITOR - * - * ===============================================================*/ -#define NK_TEXTEDIT_UNDOSTATECOUNT 99 -#define NK_TEXTEDIT_UNDOCHARCOUNT 999 - -struct nk_text_edit; - -struct nk_clipboard { - nk_handle userdata; - nk_paste_f paste; - nk_copy_f copy; -}; - -struct nk_text_undo_record { - int where; - short insert_length; - short delete_length; - short char_storage; -}; - -struct nk_text_undo_state { - struct nk_text_undo_record undo_rec[NK_TEXTEDIT_UNDOSTATECOUNT]; - nk_rune undo_char[NK_TEXTEDIT_UNDOCHARCOUNT]; - short undo_point; - short redo_point; - short undo_char_point; - short redo_char_point; -}; - -enum nk_text_edit_type { - NK_TEXT_EDIT_SINGLE_LINE, - NK_TEXT_EDIT_MULTI_LINE -}; - -struct nk_text_edit { - struct nk_clipboard clip; - struct nk_str string; - nk_filter filter; - struct nk_vec2 scrollbar; - - int cursor; - int select_start; - int select_end; - unsigned char insert_mode; - unsigned char cursor_at_end_of_line; - unsigned char initialized; - unsigned char has_preferred_x; - unsigned char single_line; - unsigned char active; - unsigned char padding1; - float preferred_x; - struct nk_text_undo_state undo; -}; - -/* filter function */ -NK_API int nk_filter_default(const struct nk_text_edit*, nk_rune unicode); -NK_API int nk_filter_ascii(const struct nk_text_edit*, nk_rune unicode); -NK_API int nk_filter_float(const struct nk_text_edit*, nk_rune unicode); -NK_API int nk_filter_decimal(const struct nk_text_edit*, nk_rune unicode); -NK_API int nk_filter_hex(const struct nk_text_edit*, nk_rune unicode); -NK_API int nk_filter_oct(const struct nk_text_edit*, nk_rune unicode); -NK_API int nk_filter_binary(const struct nk_text_edit*, nk_rune unicode); - -/* text editor */ -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API void nk_textedit_init_default(struct nk_text_edit*); -#endif -NK_API void nk_textedit_init(struct nk_text_edit*, struct nk_allocator*, nk_size size); -NK_API void nk_textedit_init_fixed(struct nk_text_edit*, void *memory, nk_size size); -NK_API void nk_textedit_free(struct nk_text_edit*); -NK_API void nk_textedit_text(struct nk_text_edit*, const char*, int total_len); -NK_API void nk_textedit_delete(struct nk_text_edit*, int where, int len); -NK_API void nk_textedit_delete_selection(struct nk_text_edit*); -NK_API void nk_textedit_select_all(struct nk_text_edit*); -NK_API int nk_textedit_cut(struct nk_text_edit*); -NK_API int nk_textedit_paste(struct nk_text_edit*, char const*, int len); -NK_API void nk_textedit_undo(struct nk_text_edit*); -NK_API void nk_textedit_redo(struct nk_text_edit*); - -/* =============================================================== - * - * FONT - * - * ===============================================================*/ -/* Font handling in this library was designed to be quite customizable and lets - you decide what you want to use and what you want to provide. In this sense - there are four different degrees between control and ease of use and two - different drawing APIs to provide for. - - So first of the easiest way to do font handling is by just providing a - `nk_user_font` struct which only requires the height in pixel of the used - font and a callback to calculate the width of a string. This way of handling - fonts is best fitted for using the normal draw shape command API were you - do all the text drawing yourself and the library does not require any kind - of deeper knowledge about which font handling mechanism you use. - - While the first approach works fine if you don't want to use the optional - vertex buffer output it is not enough if you do. To get font handling working - for these cases you have to provide two additional parameter inside the - `nk_user_font`. First a texture atlas handle used to draw text as subimages - of a bigger font atlas texture and a callback to query a characters glyph - information (offset, size, ...). So it is still possible to provide your own - font and use the vertex buffer output. - - The final approach if you do not have a font handling functionality or don't - want to use it in this library is by using the optional font baker. This API - is divided into a high- and low-level API with different priorities between - ease of use and control. Both API's can be used to create a font and - font atlas texture and can even be used with or without the vertex buffer - output. So it still uses the `nk_user_font` struct and the two different - approaches previously stated still work. - Now to the difference between the low level API and the high level API. The low - level API provides a lot of control over the baking process of the font and - provides total control over memory. It consists of a number of functions that - need to be called from begin to end and each step requires some additional - configuration, so it is a lot more complex than the high-level API. - If you don't want to do all the work required for using the low-level API - you can use the font atlas API. It provides the same functionality as the - low-level API but takes away some configuration and all of memory control and - in term provides a easier to use API. -*/ -struct nk_user_font_glyph; -typedef float(*nk_text_width_f)(nk_handle, float h, const char*, int len); -typedef void(*nk_query_font_glyph_f)(nk_handle handle, float font_height, - struct nk_user_font_glyph *glyph, - nk_rune codepoint, nk_rune next_codepoint); - -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT -struct nk_user_font_glyph { - struct nk_vec2 uv[2]; - /* texture coordinates */ - struct nk_vec2 offset; - /* offset between top left and glyph */ - float width, height; - /* size of the glyph */ - float xadvance; - /* offset to the next glyph */ -}; -#endif - -struct nk_user_font { - nk_handle userdata; - /* user provided font handle */ - float height; - /* max height of the font */ - nk_text_width_f width; - /* font string width in pixel callback */ -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT - nk_query_font_glyph_f query; - /* font glyph callback to query drawing info */ - nk_handle texture; - /* texture handle to the used font atlas or texture */ -#endif -}; - -#ifdef NK_INCLUDE_FONT_BAKING -enum nk_font_coord_type { - NK_COORD_UV, - /* texture coordinates inside font glyphs are clamped between 0-1 */ - NK_COORD_PIXEL - /* texture coordinates inside font glyphs are in absolute pixel */ -}; - -struct nk_baked_font { - float height; - /* height of the font */ - float ascent, descent; - /* font glyphs ascent and descent */ - nk_rune glyph_offset; - /* glyph array offset inside the font glyph baking output array */ - nk_rune glyph_count; - /* number of glyphs of this font inside the glyph baking array output */ - const nk_rune *ranges; - /* font codepoint ranges as pairs of (from/to) and 0 as last element */ -}; - -struct nk_font_config { - void *ttf_blob; - /* pointer to loaded TTF file memory block. - * NOTE: not needed for nk_font_atlas_add_from_memory and nk_font_atlas_add_from_file. */ - nk_size ttf_size; - /* size of the loaded TTF file memory block - * NOTE: not needed for nk_font_atlas_add_from_memory and nk_font_atlas_add_from_file. */ - - unsigned char ttf_data_owned_by_atlas; - /* used inside font atlas: default to: 0*/ - unsigned char merge_mode; - /* merges this font into the last font */ - unsigned char pixel_snap; - /* align very character to pixel boundary (if true set oversample (1,1)) */ - unsigned char oversample_v, oversample_h; - /* rasterize at hight quality for sub-pixel position */ - unsigned char padding[3]; - - float size; - /* baked pixel height of the font */ - enum nk_font_coord_type coord_type; - /* texture coordinate format with either pixel or UV coordinates */ - struct nk_vec2 spacing; - /* extra pixel spacing between glyphs */ - const nk_rune *range; - /* list of unicode ranges (2 values per range, zero terminated) */ - struct nk_baked_font *font; - /* font to setup in the baking process: NOTE: not needed for font atlas */ - nk_rune fallback_glyph; - /* fallback glyph to use if a given rune is not found */ -}; - -struct nk_font_glyph { - nk_rune codepoint; - float xadvance; - float x0, y0, x1, y1, w, h; - float u0, v0, u1, v1; -}; - -struct nk_font { - struct nk_user_font handle; - struct nk_baked_font info; - float scale; - struct nk_font_glyph *glyphs; - const struct nk_font_glyph *fallback; - nk_rune fallback_codepoint; - nk_handle texture; - int config; -}; - -enum nk_font_atlas_format { - NK_FONT_ATLAS_ALPHA8, - NK_FONT_ATLAS_RGBA32 -}; - -struct nk_font_atlas { - void *pixel; - int tex_width; - int tex_height; - struct nk_allocator alloc; - struct nk_recti custom; - - int glyph_count; - struct nk_font *default_font; - struct nk_font_glyph *glyphs; - struct nk_font **fonts; - struct nk_font_config *config; - int font_num, font_cap; -}; - -/* some language glyph codepoint ranges */ -NK_API const nk_rune *nk_font_default_glyph_ranges(void); -NK_API const nk_rune *nk_font_chinese_glyph_ranges(void); -NK_API const nk_rune *nk_font_cyrillic_glyph_ranges(void); -NK_API const nk_rune *nk_font_korean_glyph_ranges(void); - -/* Font Atlas - * --------------------------------------------------------------- - * This is the high level font baking and handling API to generate an image - * out of font glyphs used to draw text onto the screen. This API takes away - * some control over the baking process like fine grained memory control and - * custom baking data but provides additional functionality and easier to - * use and manage data structures and functions. */ -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API void nk_font_atlas_init_default(struct nk_font_atlas*); -#endif -NK_API void nk_font_atlas_init(struct nk_font_atlas*, struct nk_allocator*); - -NK_API void nk_font_atlas_begin(struct nk_font_atlas*); -NK_API struct nk_font_config nk_font_config(float pixel_height); -NK_API struct nk_font *nk_font_atlas_add(struct nk_font_atlas*, const struct nk_font_config*); -#ifdef NK_INCLUDE_DEFAULT_FONT -NK_API struct nk_font* nk_font_atlas_add_default(struct nk_font_atlas*, float height, - const struct nk_font_config*); -#endif -NK_API struct nk_font* nk_font_atlas_add_from_memory(struct nk_font_atlas *atlas, - void *memory, nk_size size, float height, - const struct nk_font_config *config); -#ifdef NK_INCLUDE_STANDARD_IO -NK_API struct nk_font* nk_font_atlas_add_from_file(struct nk_font_atlas *atlas, - const char *file_path, float height, - const struct nk_font_config*); -#endif -NK_API struct nk_font *nk_font_atlas_add_compressed(struct nk_font_atlas*, - void *memory, nk_size size, float height, - const struct nk_font_config*); -NK_API struct nk_font* nk_font_atlas_add_compressed_base85(struct nk_font_atlas*, - const char *data, float height, - const struct nk_font_config *config); -NK_API const void* nk_font_atlas_bake(struct nk_font_atlas*, int *width, int *height, - enum nk_font_atlas_format); -NK_API void nk_font_atlas_end(struct nk_font_atlas*, nk_handle tex, - struct nk_draw_null_texture*); -NK_API void nk_font_atlas_clear(struct nk_font_atlas*); - -/* Font - * ----------------------------------------------------------------- - * The font structure is just a simple container to hold the output of a baking - * process in the low level API. */ -NK_API void nk_font_init(struct nk_font*, float pixel_height, nk_rune fallback_codepoint, - struct nk_font_glyph*, const struct nk_baked_font*, - nk_handle atlas); -NK_API const struct nk_font_glyph* nk_font_find_glyph(struct nk_font*, nk_rune unicode); - -/* Font baking (needs to be called sequentially top to bottom) - * -------------------------------------------------------------------- - * This is a low level API to bake font glyphs into an image and is more - * complex than the atlas API but provides more control over the baking - * process with custom bake data and memory management. */ -NK_API void nk_font_bake_memory(nk_size *temporary_memory, int *glyph_count, - struct nk_font_config*, int count); -NK_API int nk_font_bake_pack(nk_size *img_memory, int *img_width, int *img_height, - struct nk_recti *custom_space, - void *temporary_memory, nk_size temporary_size, - const struct nk_font_config*, int font_count, - struct nk_allocator *alloc); -NK_API void nk_font_bake(void *image_memory, int image_width, int image_height, - void *temporary_memory, nk_size temporary_memory_size, - struct nk_font_glyph*, int glyphs_count, - const struct nk_font_config*, int font_count); -NK_API void nk_font_bake_custom_data(void *img_memory, int img_width, int img_height, - struct nk_recti img_dst, const char *image_data_mask, - int tex_width, int tex_height,char white,char black); -NK_API void nk_font_bake_convert(void *out_memory, int image_width, int image_height, - const void *in_memory); - -#endif - -/* =============================================================== - * - * DRAWING - * - * ===============================================================*/ -/* This library was designed to be render backend agnostic so it does - not draw anything to screen. Instead all drawn shapes, widgets - are made of, are buffered into memory and make up a command queue. - Each frame therefore fills the command buffer with draw commands - that then need to be executed by the user and his own render backend. - After that the command buffer needs to be cleared and a new frame can be - started. It is probably important to note that the command buffer is the main - drawing API and the optional vertex buffer API only takes this format and - converts it into a hardware accessible format. - - Draw commands are divided into filled shapes and shape outlines but only - the filled shapes as well as line, curves and scissor are required to be provided. - All other shape drawing commands can be used but are not required. This was - done to allow the maximum number of render backends to be able to use this - library without you having to do additional work. -*/ -enum nk_command_type { - NK_COMMAND_NOP, - NK_COMMAND_SCISSOR, - NK_COMMAND_LINE, - NK_COMMAND_CURVE, - NK_COMMAND_RECT, - NK_COMMAND_RECT_FILLED, - NK_COMMAND_RECT_MULTI_COLOR, - NK_COMMAND_CIRCLE, - NK_COMMAND_CIRCLE_FILLED, - NK_COMMAND_ARC, - NK_COMMAND_ARC_FILLED, - NK_COMMAND_TRIANGLE, - NK_COMMAND_TRIANGLE_FILLED, - NK_COMMAND_POLYGON, - NK_COMMAND_POLYGON_FILLED, - NK_COMMAND_POLYLINE, - NK_COMMAND_TEXT, - NK_COMMAND_IMAGE -}; - -/* command base and header of every command inside the buffer */ -struct nk_command { - enum nk_command_type type; - nk_size next; -#ifdef NK_INCLUDE_COMMAND_USERDATA - nk_handle userdata; -#endif -}; - -struct nk_command_scissor { - struct nk_command header; - short x, y; - unsigned short w, h; -}; - -struct nk_command_line { - struct nk_command header; - unsigned short line_thickness; - struct nk_vec2i begin; - struct nk_vec2i end; - struct nk_color color; -}; - -struct nk_command_curve { - struct nk_command header; - unsigned short line_thickness; - struct nk_vec2i begin; - struct nk_vec2i end; - struct nk_vec2i ctrl[2]; - struct nk_color color; -}; - -struct nk_command_rect { - struct nk_command header; - unsigned short rounding; - unsigned short line_thickness; - short x, y; - unsigned short w, h; - struct nk_color color; -}; - -struct nk_command_rect_filled { - struct nk_command header; - unsigned short rounding; - short x, y; - unsigned short w, h; - struct nk_color color; -}; - -struct nk_command_rect_multi_color { - struct nk_command header; - short x, y; - unsigned short w, h; - struct nk_color left; - struct nk_color top; - struct nk_color bottom; - struct nk_color right; -}; - -struct nk_command_triangle { - struct nk_command header; - unsigned short line_thickness; - struct nk_vec2i a; - struct nk_vec2i b; - struct nk_vec2i c; - struct nk_color color; -}; - -struct nk_command_triangle_filled { - struct nk_command header; - struct nk_vec2i a; - struct nk_vec2i b; - struct nk_vec2i c; - struct nk_color color; -}; - -struct nk_command_circle { - struct nk_command header; - short x, y; - unsigned short line_thickness; - unsigned short w, h; - struct nk_color color; -}; - -struct nk_command_circle_filled { - struct nk_command header; - short x, y; - unsigned short w, h; - struct nk_color color; -}; - -struct nk_command_arc { - struct nk_command header; - short cx, cy; - unsigned short r; - unsigned short line_thickness; - float a[2]; - struct nk_color color; -}; - -struct nk_command_arc_filled { - struct nk_command header; - short cx, cy; - unsigned short r; - float a[2]; - struct nk_color color; -}; - -struct nk_command_polygon { - struct nk_command header; - struct nk_color color; - unsigned short line_thickness; - unsigned short point_count; - struct nk_vec2i points[1]; -}; - -struct nk_command_polygon_filled { - struct nk_command header; - struct nk_color color; - unsigned short point_count; - struct nk_vec2i points[1]; -}; - -struct nk_command_polyline { - struct nk_command header; - struct nk_color color; - unsigned short line_thickness; - unsigned short point_count; - struct nk_vec2i points[1]; -}; - -struct nk_command_image { - struct nk_command header; - short x, y; - unsigned short w, h; - struct nk_image img; -}; - -struct nk_command_text { - struct nk_command header; - const struct nk_user_font *font; - struct nk_color background; - struct nk_color foreground; - short x, y; - unsigned short w, h; - float height; - int length; - char string[1]; -}; - -enum nk_command_clipping { - NK_CLIPPING_OFF = nk_false, - NK_CLIPPING_ON = nk_true -}; - -struct nk_command_buffer { - struct nk_buffer *base; - struct nk_rect clip; - int use_clipping; - nk_handle userdata; - nk_size begin, end, last; -}; - -/* shape outlines */ -NK_API void nk_stroke_line(struct nk_command_buffer *b, float x0, float y0, - float x1, float y1, float line_thickness, struct nk_color); -NK_API void nk_stroke_curve(struct nk_command_buffer*, float, float, float, float, - float, float, float, float, float line_thickness, struct nk_color); -NK_API void nk_stroke_rect(struct nk_command_buffer*, struct nk_rect, float rounding, - float line_thickness, struct nk_color); -NK_API void nk_stroke_circle(struct nk_command_buffer*, struct nk_rect, - float line_thickness, struct nk_color); -NK_API void nk_stroke_arc(struct nk_command_buffer*, float cx, float cy, float radius, - float a_min, float a_max, float line_thickness, struct nk_color); -NK_API void nk_stroke_triangle(struct nk_command_buffer*, float, float, - float, float, float, float, float line_thichness, - struct nk_color); -NK_API void nk_stroke_polyline(struct nk_command_buffer*, float *points, int point_count, - float line_thickness, struct nk_color col); -NK_API void nk_stroke_polygon(struct nk_command_buffer*, float*, int point_count, - float line_thickness, struct nk_color); - -/* filled shades */ -NK_API void nk_fill_rect(struct nk_command_buffer*, struct nk_rect, float rounding, - struct nk_color); -NK_API void nk_fill_rect_multi_color(struct nk_command_buffer*, struct nk_rect, - struct nk_color left, struct nk_color top, - struct nk_color right, struct nk_color bottom); -NK_API void nk_fill_circle(struct nk_command_buffer*, struct nk_rect, struct nk_color); -NK_API void nk_fill_arc(struct nk_command_buffer*, float cx, float cy, float radius, - float a_min, float a_max, struct nk_color); -NK_API void nk_fill_triangle(struct nk_command_buffer*, float x0, float y0, - float x1, float y1, float x2, float y2, struct nk_color); -NK_API void nk_fill_polygon(struct nk_command_buffer*, float*, int point_count, - struct nk_color); -/* misc */ -NK_API void nk_push_scissor(struct nk_command_buffer*, struct nk_rect); -NK_API void nk_draw_image(struct nk_command_buffer*, struct nk_rect, const struct nk_image*); -NK_API void nk_draw_text(struct nk_command_buffer*, struct nk_rect, - const char *text, int len, const struct nk_user_font*, - struct nk_color, struct nk_color); - -NK_API const struct nk_command* nk__next(struct nk_context*, const struct nk_command*); -NK_API const struct nk_command* nk__begin(struct nk_context*); - -/* =============================================================== - * - * INPUT - * - * ===============================================================*/ -struct nk_mouse_button { - int down; - unsigned int clicked; - struct nk_vec2 clicked_pos; -}; - -struct nk_mouse { - struct nk_mouse_button buttons[NK_BUTTON_MAX]; - struct nk_vec2 pos; - struct nk_vec2 prev; - struct nk_vec2 delta; - float scroll_delta; -}; - -struct nk_key { - int down; - unsigned int clicked; -}; - -struct nk_keyboard { - struct nk_key keys[NK_KEY_MAX]; - char text[NK_INPUT_MAX]; - int text_len; -}; - -struct nk_input { - struct nk_keyboard keyboard; - struct nk_mouse mouse; -}; - -NK_API int nk_input_has_mouse_click_in_rect(const struct nk_input*, - enum nk_buttons, struct nk_rect); -NK_API int nk_input_has_mouse_click_down_in_rect(const struct nk_input*, enum nk_buttons, - struct nk_rect, int down); -NK_API int nk_input_is_mouse_click_in_rect(const struct nk_input*, - enum nk_buttons, struct nk_rect); -NK_API int nk_input_is_mouse_click_down_in_rect(const struct nk_input *i, enum nk_buttons id, - struct nk_rect b, int down); -NK_API int nk_input_any_mouse_click_in_rect(const struct nk_input*, struct nk_rect); -NK_API int nk_input_is_mouse_prev_hovering_rect(const struct nk_input*, struct nk_rect); -NK_API int nk_input_is_mouse_hovering_rect(const struct nk_input*, struct nk_rect); -NK_API int nk_input_mouse_clicked(const struct nk_input*, enum nk_buttons, struct nk_rect); -NK_API int nk_input_is_mouse_down(const struct nk_input*, enum nk_buttons); -NK_API int nk_input_is_mouse_pressed(const struct nk_input*, enum nk_buttons); -NK_API int nk_input_is_mouse_released(const struct nk_input*, enum nk_buttons); -NK_API int nk_input_is_key_pressed(const struct nk_input*, enum nk_keys); -NK_API int nk_input_is_key_released(const struct nk_input*, enum nk_keys); -NK_API int nk_input_is_key_down(const struct nk_input*, enum nk_keys); - - -/* =============================================================== - * - * DRAW LIST - * - * ===============================================================*/ -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT -/* The optional vertex buffer draw list provides a 2D drawing context - with antialiasing functionality which takes basic filled or outlined shapes - or a path and outputs vertexes, elements and draw commands. - The actual draw list API is not required to be used directly while using this - library since converting the default library draw command output is done by - just calling `nk_convert` but I decided to still make this library accessible - since it can be useful. - - The draw list is based on a path buffering and polygon and polyline - rendering API which allows a lot of ways to draw 2D content to screen. - In fact it is probably more powerful than needed but allows even more crazy - things than this library provides by default. -*/ -typedef unsigned short nk_draw_index; -typedef nk_uint nk_draw_vertex_color; - -enum nk_draw_list_stroke { - NK_STROKE_OPEN = nk_false, - /* build up path has no connection back to the beginning */ - NK_STROKE_CLOSED = nk_true - /* build up path has a connection back to the beginning */ -}; - -struct nk_draw_vertex { - struct nk_vec2 position; - struct nk_vec2 uv; - nk_draw_vertex_color col; -}; - -struct nk_draw_command { - unsigned int elem_count; - /* number of elements in the current draw batch */ - struct nk_rect clip_rect; - /* current screen clipping rectangle */ - nk_handle texture; - /* current texture to set */ -#ifdef NK_INCLUDE_COMMAND_USERDATA - nk_handle userdata; -#endif -}; - -struct nk_draw_list { - float global_alpha; - enum nk_anti_aliasing shape_AA; - enum nk_anti_aliasing line_AA; - struct nk_draw_null_texture null; - struct nk_rect clip_rect; - struct nk_buffer *buffer; - struct nk_buffer *vertices; - struct nk_buffer *elements; - unsigned int element_count; - unsigned int vertex_count; - nk_size cmd_offset; - unsigned int cmd_count; - unsigned int path_count; - unsigned int path_offset; - struct nk_vec2 circle_vtx[12]; -#ifdef NK_INCLUDE_COMMAND_USERDATA - nk_handle userdata; -#endif -}; - -/* draw list */ -NK_API void nk_draw_list_init(struct nk_draw_list*); -NK_API void nk_draw_list_setup(struct nk_draw_list*, float global_alpha, - enum nk_anti_aliasing line_AA, enum nk_anti_aliasing shape_AA, - struct nk_draw_null_texture, struct nk_buffer *cmds, - struct nk_buffer *vertices, struct nk_buffer *elements); -NK_API void nk_draw_list_clear(struct nk_draw_list*); - -/* drawing */ -#define nk_draw_list_foreach(cmd, can, b)\ - for((cmd)=nk__draw_list_begin(can, b); (cmd)!=0; (cmd)=nk__draw_list_next(cmd, b, can)) -NK_API const struct nk_draw_command* nk__draw_list_begin(const struct nk_draw_list*, - const struct nk_buffer*); -NK_API const struct nk_draw_command* nk__draw_list_next(const struct nk_draw_command*, - const struct nk_buffer*, - const struct nk_draw_list*); -NK_API const struct nk_draw_command* nk__draw_begin(const struct nk_context*, - const struct nk_buffer*); -NK_API const struct nk_draw_command* nk__draw_next(const struct nk_draw_command*, - const struct nk_buffer*, - const struct nk_context*); - -/* path */ -NK_API void nk_draw_list_path_clear(struct nk_draw_list*); -NK_API void nk_draw_list_path_line_to(struct nk_draw_list *list, struct nk_vec2 pos); -NK_API void nk_draw_list_path_arc_to_fast(struct nk_draw_list*, struct nk_vec2 center, - float radius, int a_min, int a_max); -NK_API void nk_draw_list_path_arc_to(struct nk_draw_list*, struct nk_vec2 center, - float radius, float a_min, float a_max, - unsigned int segments); -NK_API void nk_draw_list_path_rect_to(struct nk_draw_list*, struct nk_vec2 a, - struct nk_vec2 b, float rounding); -NK_API void nk_draw_list_path_curve_to(struct nk_draw_list*, struct nk_vec2 p2, - struct nk_vec2 p3, struct nk_vec2 p4, - unsigned int num_segments); -NK_API void nk_draw_list_path_fill(struct nk_draw_list*, struct nk_color); -NK_API void nk_draw_list_path_stroke(struct nk_draw_list*, struct nk_color, - enum nk_draw_list_stroke closed, float thickness); -/* stroke */ -NK_API void nk_draw_list_stroke_line(struct nk_draw_list*, struct nk_vec2 a, struct nk_vec2 b, - struct nk_color, float thickness); -NK_API void nk_draw_list_stroke_rect(struct nk_draw_list*, struct nk_rect rect, struct nk_color, - float rounding, float thickness); -NK_API void nk_draw_list_stroke_triangle(struct nk_draw_list*, struct nk_vec2 a, struct nk_vec2 b, - struct nk_vec2 c, struct nk_color, float thickness); -NK_API void nk_draw_list_stroke_circle(struct nk_draw_list*, struct nk_vec2 center, float radius, - struct nk_color, unsigned int segs, float thickness); -NK_API void nk_draw_list_stroke_curve(struct nk_draw_list*, struct nk_vec2 p0, struct nk_vec2 cp0, - struct nk_vec2 cp1, struct nk_vec2 p1, struct nk_color, - unsigned int segments, float thickness); -NK_API void nk_draw_list_stroke_poly_line(struct nk_draw_list*, const struct nk_vec2 *points, - const unsigned int count, struct nk_color, - enum nk_draw_list_stroke closed, float thickness, - enum nk_anti_aliasing aliasing); -/* fill */ -NK_API void nk_draw_list_fill_rect(struct nk_draw_list*, struct nk_rect rect, - struct nk_color, float rounding); -NK_API void nk_draw_list_fill_rect_multi_color(struct nk_draw_list *list, - struct nk_rect rect, struct nk_color left, - struct nk_color top, struct nk_color right, - struct nk_color bottom); -NK_API void nk_draw_list_fill_triangle(struct nk_draw_list*, struct nk_vec2 a, - struct nk_vec2 b, struct nk_vec2 c, struct nk_color); -NK_API void nk_draw_list_fill_circle(struct nk_draw_list*, struct nk_vec2 center, - float radius, struct nk_color col, unsigned int segs); -NK_API void nk_draw_list_fill_poly_convex(struct nk_draw_list*, const struct nk_vec2 *points, - const unsigned int count, struct nk_color, - enum nk_anti_aliasing aliasing); -/* misc */ -NK_API void nk_draw_list_add_image(struct nk_draw_list*, struct nk_image texture, - struct nk_rect rect, struct nk_color); -NK_API void nk_draw_list_add_text(struct nk_draw_list*, const struct nk_user_font*, - struct nk_rect, const char *text, int len, - float font_height, struct nk_color); -#ifdef NK_INCLUDE_COMMAND_USERDATA -NK_API void nk_draw_list_push_userdata(struct nk_draw_list*, nk_handle userdata); -#endif - -#endif - -/* =============================================================== - * - * GUI - * - * ===============================================================*/ -enum nk_style_item_type { - NK_STYLE_ITEM_COLOR, - NK_STYLE_ITEM_IMAGE -}; - -union nk_style_item_data { - struct nk_image image; - struct nk_color color; -}; - -struct nk_style_item { - enum nk_style_item_type type; - union nk_style_item_data data; -}; - -struct nk_style_text { - struct nk_color color; - struct nk_vec2 padding; -}; - -struct nk_style_button; -struct nk_style_custom_button_drawing { - void(*button_text)(struct nk_command_buffer*, - const struct nk_rect *background, const struct nk_rect*, - nk_flags state, const struct nk_style_button*, - const char*, int len, nk_flags text_alignment, - const struct nk_user_font*); - void(*button_symbol)(struct nk_command_buffer*, - const struct nk_rect *background, const struct nk_rect*, - nk_flags state, const struct nk_style_button*, - enum nk_symbol_type, const struct nk_user_font*); - void(*button_image)(struct nk_command_buffer*, - const struct nk_rect *background, const struct nk_rect*, - nk_flags state, const struct nk_style_button*, - const struct nk_image *img); - void(*button_text_symbol)(struct nk_command_buffer*, - const struct nk_rect *background, const struct nk_rect*, - const struct nk_rect *symbol, nk_flags state, - const struct nk_style_button*, - const char *text, int len, enum nk_symbol_type, - const struct nk_user_font*); - void(*button_text_image)(struct nk_command_buffer*, - const struct nk_rect *background, const struct nk_rect*, - const struct nk_rect *image, nk_flags state, - const struct nk_style_button*, - const char *text, int len, const struct nk_user_font*, - const struct nk_image *img); -}; - -struct nk_style_button { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - struct nk_color border_color; - - /* text */ - struct nk_color text_background; - struct nk_color text_normal; - struct nk_color text_hover; - struct nk_color text_active; - nk_flags text_alignment; - - /* properties */ - float border; - float rounding; - struct nk_vec2 padding; - struct nk_vec2 image_padding; - struct nk_vec2 touch_padding; - - /* optional user callbacks */ - nk_handle userdata; - void(*draw_begin)(struct nk_command_buffer*, nk_handle userdata); - struct nk_style_custom_button_drawing draw; - void(*draw_end)(struct nk_command_buffer*, nk_handle userdata); -}; - -struct nk_style_toggle; -union nk_style_custom_toggle_drawing { - void(*radio)(struct nk_command_buffer*, nk_flags state, - const struct nk_style_toggle *toggle, int active, - const struct nk_rect *label, const struct nk_rect *selector, - const struct nk_rect *cursor, const char *string, int len, - const struct nk_user_font *font); - void(*checkbox)(struct nk_command_buffer*, nk_flags state, - const struct nk_style_toggle *toggle, int active, - const struct nk_rect *label, const struct nk_rect *selector, - const struct nk_rect *cursor, const char *string, int len, - const struct nk_user_font *font); -}; - -struct nk_style_toggle { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - - /* cursor */ - struct nk_style_item cursor_normal; - struct nk_style_item cursor_hover; - - /* text */ - struct nk_color text_normal; - struct nk_color text_hover; - struct nk_color text_active; - struct nk_color text_background; - nk_flags text_alignment; - - /* properties */ - struct nk_vec2 padding; - struct nk_vec2 touch_padding; - - /* optional user callbacks */ - nk_handle userdata; - void(*draw_begin)(struct nk_command_buffer*, nk_handle); - union nk_style_custom_toggle_drawing draw; - void(*draw_end)(struct nk_command_buffer*, nk_handle); -}; - -struct nk_style_selectable { - /* background (inactive) */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item pressed; - - /* background (active) */ - struct nk_style_item normal_active; - struct nk_style_item hover_active; - struct nk_style_item pressed_active; - - /* text color (inactive) */ - struct nk_color text_normal; - struct nk_color text_hover; - struct nk_color text_pressed; - - /* text color (active) */ - struct nk_color text_normal_active; - struct nk_color text_hover_active; - struct nk_color text_pressed_active; - struct nk_color text_background; - nk_flags text_alignment; - - /* properties */ - float rounding; - struct nk_vec2 padding; - struct nk_vec2 touch_padding; - - /* optional user callbacks */ - nk_handle userdata; - void(*draw_begin)(struct nk_command_buffer*, nk_handle); - void(*draw)(struct nk_command_buffer*, - nk_flags state, const struct nk_style_selectable*, int active, - const struct nk_rect*, const char *string, int len, - nk_flags align, const struct nk_user_font*); - void(*draw_end)(struct nk_command_buffer*, nk_handle); -}; - -struct nk_style_slider { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - struct nk_color border_color; - - /* background bar */ - struct nk_color bar_normal; - struct nk_color bar_hover; - struct nk_color bar_active; - struct nk_color bar_filled; - - /* cursor */ - struct nk_style_item cursor_normal; - struct nk_style_item cursor_hover; - struct nk_style_item cursor_active; - - /* properties */ - float border; - float rounding; - float bar_height; - struct nk_vec2 padding; - struct nk_vec2 spacing; - struct nk_vec2 cursor_size; - - /* optional buttons */ - int show_buttons; - struct nk_style_button inc_button; - struct nk_style_button dec_button; - enum nk_symbol_type inc_symbol; - enum nk_symbol_type dec_symbol; - - /* optional user callbacks */ - nk_handle userdata; - void(*draw_begin)(struct nk_command_buffer*, nk_handle); - void(*draw)(struct nk_command_buffer*, nk_flags state, - const struct nk_style_slider*, const struct nk_rect *bar, - const struct nk_rect *cursor, float min, float value, float max); - void(*draw_end)(struct nk_command_buffer*, nk_handle); -}; - -struct nk_style_progress { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - - /* cursor */ - struct nk_style_item cursor_normal; - struct nk_style_item cursor_hover; - struct nk_style_item cursor_active; - - /* properties */ - float rounding; - struct nk_vec2 padding; - - /* optional user callbacks */ - nk_handle userdata; - void(*draw_begin)(struct nk_command_buffer*, nk_handle); - void(*draw)(struct nk_command_buffer*, nk_flags state, - const struct nk_style_progress*, const struct nk_rect *bounds, - const struct nk_rect *cursor, nk_size value, nk_size max); - void(*draw_end)(struct nk_command_buffer*, nk_handle); -}; - -struct nk_style_scrollbar { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - struct nk_color border_color; - - /* cursor */ - struct nk_style_item cursor_normal; - struct nk_style_item cursor_hover; - struct nk_style_item cursor_active; - - /* properties */ - float border; - float rounding; - struct nk_vec2 padding; - - /* optional buttons */ - int show_buttons; - struct nk_style_button inc_button; - struct nk_style_button dec_button; - enum nk_symbol_type inc_symbol; - enum nk_symbol_type dec_symbol; - - /* optional user callbacks */ - nk_handle userdata; - void(*draw_begin)(struct nk_command_buffer*, nk_handle); - void(*draw)(struct nk_command_buffer*, nk_flags state, - const struct nk_style_scrollbar*, const struct nk_rect *scroll, - const struct nk_rect *cursor); - void(*draw_end)(struct nk_command_buffer*, nk_handle); -}; - -struct nk_style_edit { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - struct nk_color border_color; - struct nk_style_scrollbar scrollbar; - - /* cursor */ - struct nk_color cursor_normal; - struct nk_color cursor_hover; - struct nk_color cursor_text_normal; - struct nk_color cursor_text_hover; - - /* text (unselected) */ - struct nk_color text_normal; - struct nk_color text_hover; - struct nk_color text_active; - - /* text (selected) */ - struct nk_color selected_normal; - struct nk_color selected_hover; - struct nk_color selected_text_normal; - struct nk_color selected_text_hover; - - /* properties */ - float border; - float rounding; - float cursor_size; - struct nk_vec2 scrollbar_size; - struct nk_vec2 padding; - float row_padding; -}; - -struct nk_style_property { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - struct nk_color border_color; - - /* text */ - struct nk_color label_normal; - struct nk_color label_hover; - struct nk_color label_active; - - /* symbols */ - enum nk_symbol_type sym_left; - enum nk_symbol_type sym_right; - - /* properties */ - float border; - float rounding; - struct nk_vec2 padding; - - struct nk_style_edit edit; - struct nk_style_button inc_button; - struct nk_style_button dec_button; - - /* optional user callbacks */ - nk_handle userdata; - void(*draw_begin)(struct nk_command_buffer*, nk_handle); - void(*draw)(struct nk_command_buffer*, const struct nk_style_property*, - const struct nk_rect*, const struct nk_rect *label, nk_flags state, - const char *name, int len, const struct nk_user_font*); - void(*draw_end)(struct nk_command_buffer*, nk_handle); -}; - -struct nk_style_chart { - /* colors */ - struct nk_style_item background; - struct nk_color border_color; - struct nk_color selected_color; - struct nk_color color; - - /* properties */ - float border; - float rounding; - struct nk_vec2 padding; -}; - -struct nk_style_combo { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - struct nk_color border_color; - - /* label */ - struct nk_color label_normal; - struct nk_color label_hover; - struct nk_color label_active; - - /* symbol */ - struct nk_color symbol_normal; - struct nk_color symbol_hover; - struct nk_color symbol_active; - - /* button */ - struct nk_style_button button; - enum nk_symbol_type sym_normal; - enum nk_symbol_type sym_hover; - enum nk_symbol_type sym_active; - - /* properties */ - float border; - float rounding; - struct nk_vec2 content_padding; - struct nk_vec2 button_padding; - struct nk_vec2 spacing; -}; - -struct nk_style_tab { - /* background */ - struct nk_style_item background; - struct nk_color border_color; - struct nk_color text; - - /* button */ - struct nk_style_button tab_button; - struct nk_style_button node_button; - enum nk_symbol_type sym_minimize; - enum nk_symbol_type sym_maximize; - - /* properties */ - float border; - float rounding; - struct nk_vec2 padding; - struct nk_vec2 spacing; -}; - -enum nk_style_header_align { - NK_HEADER_LEFT, - NK_HEADER_RIGHT -}; - -struct nk_style_window_header { - /* background */ - struct nk_style_item normal; - struct nk_style_item hover; - struct nk_style_item active; - - /* button */ - struct nk_style_button close_button; - struct nk_style_button minimize_button; - enum nk_symbol_type close_symbol; - enum nk_symbol_type minimize_symbol; - enum nk_symbol_type maximize_symbol; - - /* title */ - struct nk_color label_normal; - struct nk_color label_hover; - struct nk_color label_active; - - /* properties */ - enum nk_style_header_align align; - struct nk_vec2 padding; - struct nk_vec2 label_padding; - struct nk_vec2 spacing; -}; - -struct nk_style_window { - struct nk_style_window_header header; - struct nk_style_item fixed_background; - struct nk_color background; - - struct nk_color border_color; - struct nk_color combo_border_color; - struct nk_color contextual_border_color; - struct nk_color menu_border_color; - struct nk_color group_border_color; - struct nk_color tooltip_border_color; - - struct nk_style_item scaler; - struct nk_vec2 footer_padding; - - float border; - float combo_border; - float contextual_border; - float menu_border; - float group_border; - float tooltip_border; - - float rounding; - struct nk_vec2 scaler_size; - struct nk_vec2 padding; - struct nk_vec2 spacing; - struct nk_vec2 scrollbar_size; - struct nk_vec2 min_size; -}; - -struct nk_style { - struct nk_user_font font; - struct nk_style_text text; - struct nk_style_button button; - struct nk_style_button contextual_button; - struct nk_style_button menu_button; - struct nk_style_toggle option; - struct nk_style_toggle checkbox; - struct nk_style_selectable selectable; - struct nk_style_slider slider; - struct nk_style_progress progress; - struct nk_style_property property; - struct nk_style_edit edit; - struct nk_style_chart line_chart; - struct nk_style_chart column_chart; - struct nk_style_scrollbar scrollh; - struct nk_style_scrollbar scrollv; - struct nk_style_tab tab; - struct nk_style_combo combo; - struct nk_style_window window; -}; - -NK_API struct nk_style_item nk_style_item_image(struct nk_image img); -NK_API struct nk_style_item nk_style_item_color(struct nk_color); -NK_API struct nk_style_item nk_style_item_hide(void); - -/*============================================================== - * PANEL - * =============================================================*/ -struct nk_chart { - const struct nk_style_chart *style; - enum nk_chart_type type; - float x, y, w, h; - float min, max, range; - struct nk_vec2 last; - int index; - int count; -}; - -struct nk_row_layout { - int type; - int index; - float height; - int columns; - const float *ratio; - float item_width, item_height; - float item_offset; - float filled; - struct nk_rect item; - int tree_depth; -}; - -struct nk_popup_buffer { - nk_size begin; - nk_size parent; - nk_size last; - nk_size end; - int active; -}; - -struct nk_menu_state { - float x, y, w, h; - struct nk_scroll offset; -}; - -struct nk_panel { - nk_flags flags; - struct nk_rect bounds; - struct nk_scroll *offset; - float at_x, at_y, max_x; - float width, height; - float footer_h; - float header_h; - float border; - struct nk_rect clip; - struct nk_menu_state menu; - struct nk_row_layout row; - struct nk_chart chart; - struct nk_popup_buffer popup_buffer; - struct nk_command_buffer *buffer; - struct nk_panel *parent; -}; - -/*============================================================== - * WINDOW - * =============================================================*/ -struct nk_table; - -enum nk_window_flags { - NK_WINDOW_PRIVATE = NK_FLAG(9), - /* dummy flag which mark the beginning of the private window flag part */ - NK_WINDOW_ROM = NK_FLAG(10), - /* sets the window into a read only mode and does not allow input changes */ - NK_WINDOW_HIDDEN = NK_FLAG(11), - /* Hides the window and stops any window interaction and drawing can be set - * by user input or by closing the window */ - NK_WINDOW_MINIMIZED = NK_FLAG(12), - /* marks the window as minimized */ - NK_WINDOW_SUB = NK_FLAG(13), - /* Marks the window as subwindow of another window*/ - NK_WINDOW_GROUP = NK_FLAG(14), - /* Marks the window as window widget group */ - NK_WINDOW_POPUP = NK_FLAG(15), - /* Marks the window as a popup window */ - NK_WINDOW_NONBLOCK = NK_FLAG(16), - /* Marks the window as a nonblock popup window */ - NK_WINDOW_CONTEXTUAL = NK_FLAG(17), - /* Marks the window as a combo box or menu */ - NK_WINDOW_COMBO = NK_FLAG(18), - /* Marks the window as a combo box */ - NK_WINDOW_MENU = NK_FLAG(19), - /* Marks the window as a menu */ - NK_WINDOW_TOOLTIP = NK_FLAG(20), - /* Marks the window as a menu */ - NK_WINDOW_REMOVE_ROM = NK_FLAG(21) - /* Removes the read only mode at the end of the window */ -}; - -struct nk_popup_state { - struct nk_window *win; - enum nk_window_flags type; - nk_hash name; - int active; - unsigned combo_count; - unsigned con_count, con_old; - unsigned active_con; -}; - -struct nk_edit_state { - nk_hash name; - unsigned int seq; - unsigned int old; - int active, prev; - int cursor; - int sel_start; - int sel_end; - struct nk_scroll scrollbar; - unsigned char insert_mode; - unsigned char single_line; -}; - -struct nk_property_state { - int active, prev; - char buffer[NK_MAX_NUMBER_BUFFER]; - int length; - int cursor; - nk_hash name; - unsigned int seq; - unsigned int old; - int state; -}; - -struct nk_window { - nk_hash name; - nk_flags flags; - unsigned int seq; - struct nk_rect bounds; - struct nk_scroll scrollbar; - struct nk_command_buffer buffer; - struct nk_panel *layout; - - /* persistent widget state */ - struct nk_property_state property; - struct nk_popup_state popup; - struct nk_edit_state edit; - - struct nk_table *tables; - unsigned short table_count; - unsigned short table_size; - - /* window list hooks */ - struct nk_window *next; - struct nk_window *prev; - struct nk_window *parent; -}; - -/*============================================================== - * CONTEXT - * =============================================================*/ -struct nk_context { -/* public: can be accessed freely */ - struct nk_input input; - struct nk_style style; - struct nk_buffer memory; - struct nk_clipboard clip; - nk_flags last_widget_state; - -/* private: - should only be accessed if you - know what you are doing */ -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT - struct nk_draw_list draw_list; -#endif -#ifdef NK_INCLUDE_COMMAND_USERDATA - nk_handle userdata; -#endif - - /* text editor objects are quite big because they have a internal - * undo/redo stack. It therefore does not make sense to have one for - * each window for temporary use cases, so I only provide *one* instance - * for all windows. This works because the content is cleared anyway */ - struct nk_text_edit text_edit; - - /* windows */ - int build; - void *pool; - struct nk_window *begin; - struct nk_window *end; - struct nk_window *active; - struct nk_window *current; - struct nk_window *freelist; - unsigned int count; - unsigned int seq; -}; - -#ifdef __cplusplus -} -#endif -#endif /* NK_H_ */ - -/* - * ============================================================== - * - * IMPLEMENTATION - * - * =============================================================== - */ -#ifdef NK_IMPLEMENTATION - -#ifndef NK_POOL_DEFAULT_CAPACITY -#define NK_POOL_DEFAULT_CAPACITY 16 -#endif - -#ifndef NK_VALUE_PAGE_CAPACITY -#define NK_VALUE_PAGE_CAPACITY 32 -#endif - -#ifndef NK_DEFAULT_COMMAND_BUFFER_SIZE -#define NK_DEFAULT_COMMAND_BUFFER_SIZE (4*1024) -#endif - -#ifndef NK_BUFFER_DEFAULT_INITIAL_SIZE -#define NK_BUFFER_DEFAULT_INITIAL_SIZE (4*1024) -#endif - -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -#include /* malloc, free */ -#endif -#ifdef NK_INCLUDE_STANDARD_IO -#include /* fopen, fclose,... */ -#include -#endif - -#ifndef NK_ASSERT -#include -#define NK_ASSERT(expr) assert(expr) -#endif - -#ifndef NK_MEMSET -#define NK_MEMSET nk_memset -#endif -#ifndef NK_MEMCPY -#define NK_MEMCPY nk_memcopy -#endif -#ifndef NK_SQRT -#define NK_SQRT nk_sqrt -#endif -#ifndef NK_SIN -#define NK_SIN nk_sin -#endif -#ifndef NK_COS -#define NK_COS nk_cos -#endif - -/* ============================================================== - * MATH - * =============================================================== */ -#define NK_MIN(a,b) ((a) < (b) ? (a) : (b)) -#define NK_MAX(a,b) ((a) < (b) ? (b) : (a)) -#define NK_CLAMP(i,v,x) (NK_MAX(NK_MIN(v,x), i)) - -#define NK_PI 3.141592654f -#define NK_UTF_INVALID 0xFFFD -#define NK_MAX_FLOAT_PRECISION 2 - -#define NK_UNUSED(x) ((void)(x)) -#define NK_SATURATE(x) (NK_MAX(0, NK_MIN(1.0f, x))) -#define NK_LEN(a) (sizeof(a)/sizeof(a)[0]) -#define NK_ABS(a) (((a) < 0) ? -(a) : (a)) -#define NK_BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) -#define NK_INBOX(px, py, x, y, w, h)\ - (NK_BETWEEN(px,x,x+w) && NK_BETWEEN(py,y,y+h)) -#define NK_INTERSECT(x0, y0, w0, h0, x1, y1, w1, h1) \ - (!(((x1 > (x0 + w0)) || ((x1 + w1) < x0) || (y1 > (y0 + h0)) || (y1 + h1) < y0))) -#define NK_CONTAINS(x, y, w, h, bx, by, bw, bh)\ - (NK_INBOX(x,y, bx, by, bw, bh) && NK_INBOX(x+w,y+h, bx, by, bw, bh)) - -#define nk_vec2_sub(a, b) nk_vec2((a).x - (b).x, (a).y - (b).y) -#define nk_vec2_add(a, b) nk_vec2((a).x + (b).x, (a).y + (b).y) -#define nk_vec2_len_sqr(a) ((a).x*(a).x+(a).y*(a).y) -#define nk_vec2_muls(a, t) nk_vec2((a).x * (t), (a).y * (t)) - -#define nk_ptr_add(t, p, i) ((t*)((void*)((nk_byte*)(p) + (i)))) -#define nk_ptr_add_const(t, p, i) ((const t*)((const void*)((const nk_byte*)(p) + (i)))) -#define nk_zero_struct(s) nk_zero(&s, sizeof(s)) - -/* ============================================================== - * ALIGNMENT - * =============================================================== */ -/* Pointer to Integer type conversion for pointer alignment */ -#if defined(__PTRDIFF_TYPE__) /* This case should work for GCC*/ -# define NK_UINT_TO_PTR(x) ((void*)(__PTRDIFF_TYPE__)(x)) -# define NK_PTR_TO_UINT(x) ((nk_size)(__PTRDIFF_TYPE__)(x)) -#elif !defined(__GNUC__) /* works for compilers other than LLVM */ -# define NK_UINT_TO_PTR(x) ((void*)&((char*)0)[x]) -# define NK_PTR_TO_UINT(x) ((nk_size)(((char*)x)-(char*)0)) -#elif defined(NK_USE_FIXED_TYPES) /* used if we have */ -# define NK_UINT_TO_PTR(x) ((void*)(uintptr_t)(x)) -# define NK_PTR_TO_UINT(x) ((uintptr_t)(x)) -#else /* generates warning but works */ -# define NK_UINT_TO_PTR(x) ((void*)(x)) -# define NK_PTR_TO_UINT(x) ((nk_size)(x)) -#endif - -#define NK_ALIGN_PTR(x, mask)\ - (NK_UINT_TO_PTR((NK_PTR_TO_UINT((nk_byte*)(x) + (mask-1)) & ~(mask-1)))) -#define NK_ALIGN_PTR_BACK(x, mask)\ - (NK_UINT_TO_PTR((NK_PTR_TO_UINT((nk_byte*)(x)) & ~(mask-1)))) - -#ifdef __cplusplus -template struct nk_alignof; -template struct nk_helper{enum {value = size_diff};}; -template struct nk_helper{enum {value = nk_alignof::value};}; -template struct nk_alignof{struct Big {T x; char c;}; enum { - diff = sizeof(Big) - sizeof(T), value = nk_helper::value};}; -#define NK_ALIGNOF(t) (nk_alignof::value); -#else -#define NK_ALIGNOF(t) ((char*)(&((struct {char c; t _h;}*)0)->_h) - (char*)0) -#endif - -/* make sure correct type size */ -typedef int nk__check_size[(sizeof(nk_size) >= sizeof(void*)) ? 1 : -1]; -typedef int nk__check_ptr[(sizeof(nk_ptr) == sizeof(void*)) ? 1 : -1]; -typedef int nk__check_flags[(sizeof(nk_flags) >= 4) ? 1 : -1]; -typedef int nk__check_rune[(sizeof(nk_rune) >= 4) ? 1 : -1]; -typedef int nk__check_ushort[(sizeof(nk_ushort) == 2) ? 1 : -1]; -typedef int nk__check_short[(sizeof(nk_short) == 2) ? 1 : -1]; -typedef int nk__check_uint[(sizeof(nk_uint) == 4) ? 1 : -1]; -typedef int nk__check_int[(sizeof(nk_int) == 4) ? 1 : -1]; -typedef int nk__check_byte[(sizeof(nk_byte) == 1) ? 1 : -1]; - -NK_GLOBAL const struct nk_rect nk_null_rect = {-8192.0f, -8192.0f, 16384, 16384}; -NK_GLOBAL const float NK_FLOAT_PRECISION = 0.00000000000001f; -/* - * ============================================================== - * - * MATH - * - * =============================================================== - */ -/* Since nuklear is supposed to work on all systems providing floating point - math without any dependencies I also had to implement my own math functions - for sqrt, sin and cos. Since the actual highly accurate implementations for - the standard library functions are quite complex and I do not need high - precision for my use cases I use approximations. - - Sqrt - ---- - For square root nuklear uses the famous fast inverse square root: - https://en.wikipedia.org/wiki/Fast_inverse_square_root with - slightly tweaked magic constant. While on todays hardware it is - probably not faster it is still fast and accurate enough for - nuklear's use cases. IMPORTANT: this requires float format IEEE 754 - - Sine/Cosine - ----------- - All constants inside both function are generated Remez's minimax - approximations for value range 0...2*PI. The reason why I decided to - approximate exactly that range is that nuklear only needs sine and - cosine to generate circles which only requires that exact range. - In addition I used Remez instead of Taylor for additional precision: - www.lolengine.net/blog/2011/12/21/better-function-approximatations. - - The tool I used to generate constants for both sine and cosine - (it can actually approximate a lot more functions) can be - found here: www.lolengine.net/wiki/oss/lolremez -*/ -NK_INTERN float -nk_inv_sqrt(float number) -{ - float x2; - const float threehalfs = 1.5f; - union {nk_uint i; float f;} conv = {0}; - conv.f = number; - x2 = number * 0.5f; - conv.i = 0x5f375A84 - (conv.i >> 1); - conv.f = conv.f * (threehalfs - (x2 * conv.f * conv.f)); - return conv.f; -} - -NK_INTERN float -nk_sqrt(float x) -{ - return x * nk_inv_sqrt(x); -} - -NK_INTERN float -nk_sin(float x) -{ - NK_STORAGE const float a0 = +1.91059300966915117e-31f; - NK_STORAGE const float a1 = +1.00086760103908896f; - NK_STORAGE const float a2 = -1.21276126894734565e-2f; - NK_STORAGE const float a3 = -1.38078780785773762e-1f; - NK_STORAGE const float a4 = -2.67353392911981221e-2f; - NK_STORAGE const float a5 = +2.08026600266304389e-2f; - NK_STORAGE const float a6 = -3.03996055049204407e-3f; - NK_STORAGE const float a7 = +1.38235642404333740e-4f; - return a0 + x*(a1 + x*(a2 + x*(a3 + x*(a4 + x*(a5 + x*(a6 + x*a7)))))); -} - -NK_INTERN float -nk_cos(float x) -{ - NK_STORAGE const float a0 = +1.00238601909309722f; - NK_STORAGE const float a1 = -3.81919947353040024e-2f; - NK_STORAGE const float a2 = -3.94382342128062756e-1f; - NK_STORAGE const float a3 = -1.18134036025221444e-1f; - NK_STORAGE const float a4 = +1.07123798512170878e-1f; - NK_STORAGE const float a5 = -1.86637164165180873e-2f; - NK_STORAGE const float a6 = +9.90140908664079833e-4f; - NK_STORAGE const float a7 = -5.23022132118824778e-14f; - return a0 + x*(a1 + x*(a2 + x*(a3 + x*(a4 + x*(a5 + x*(a6 + x*a7)))))); -} - -NK_INTERN nk_uint -nk_round_up_pow2(nk_uint v) -{ - v--; - v |= v >> 1; - v |= v >> 2; - v |= v >> 4; - v |= v >> 8; - v |= v >> 16; - v++; - return v; -} - -NK_API struct nk_rect -nk_get_null_rect(void) -{ - return nk_null_rect; -} - -NK_API struct nk_rect -nk_rect(float x, float y, float w, float h) -{ - struct nk_rect r; - r.x = x, r.y = y; - r.w = w, r.h = h; - return r; -} - - -NK_API struct nk_rect -nk_recti(int x, int y, int w, int h) -{ - struct nk_rect r; - r.x = (float)x; - r.y = (float)y; - r.w = (float)w; - r.h = (float)h; - return r; -} - -NK_API struct nk_rect -nk_recta(struct nk_vec2 pos, struct nk_vec2 size) -{ - return nk_rect(pos.x, pos.y, size.x, size.y); -} - -NK_API struct nk_rect -nk_rectv(const float *r) -{ - return nk_rect(r[0], r[1], r[2], r[3]); -} - -NK_API struct nk_rect -nk_rectiv(const int *r) -{ - return nk_recti(r[0], r[1], r[2], r[3]); -} - -NK_INTERN struct nk_rect -nk_shrink_rect(struct nk_rect r, float amount) -{ - struct nk_rect res; - r.w = NK_MAX(r.w, 2 * amount); - r.h = NK_MAX(r.h, 2 * amount); - res.x = r.x + amount; - res.y = r.y + amount; - res.w = r.w - 2 * amount; - res.h = r.h - 2 * amount; - return res; -} - -NK_INTERN struct nk_rect -nk_pad_rect(struct nk_rect r, struct nk_vec2 pad) -{ - r.w = NK_MAX(r.w, 2 * pad.x); - r.h = NK_MAX(r.h, 2 * pad.y); - r.x += pad.x; r.y += pad.y; - r.w -= 2 * pad.x; - r.h -= 2 * pad.y; - return r; -} - -NK_API struct nk_vec2 -nk_vec2(float x, float y) -{ - struct nk_vec2 ret; - ret.x = x; ret.y = y; - return ret; -} - -NK_API struct nk_vec2 -nk_vec2i(int x, int y) -{ - struct nk_vec2 ret; - ret.x = (float)x; - ret.y = (float)y; - return ret; -} - -NK_API struct nk_vec2 -nk_vec2v(const float *v) -{ - return nk_vec2(v[0], v[1]); -} - -NK_API struct nk_vec2 -nk_vec2iv(const int *v) -{ - return nk_vec2i(v[0], v[1]); -} -/* - * ============================================================== - * - * UTIL - * - * =============================================================== - */ -NK_INTERN int nk_str_match_here(const char *regexp, const char *text); -NK_INTERN int nk_str_match_star(int c, const char *regexp, const char *text); -NK_INTERN int nk_is_lower(int c) {return (c >= 'a' && c <= 'z') || (c >= 0xE0 && c <= 0xFF);} -NK_INTERN int nk_is_upper(int c){return (c >= 'A' && c <= 'Z') || (c >= 0xC0 && c <= 0xDF);} -NK_INTERN int nk_to_upper(int c) {return (c >= 'a' && c <= 'z') ? (c - ('a' - 'A')) : c;} -NK_INTERN int nk_to_lower(int c) {return (c >= 'A' && c <= 'Z') ? (c - ('a' + 'A')) : c;} - -NK_INTERN void* -nk_memcopy(void *dst0, const void *src0, nk_size length) -{ - nk_ptr t; - char *dst = (char*)dst0; - const char *src = (const char*)src0; - if (length == 0 || dst == src) - goto done; - - #define nk_word int - #define nk_wsize sizeof(nk_word) - #define nk_wmask (nk_wsize-1) - #define NK_TLOOP(s) if (t) NK_TLOOP1(s) - #define NK_TLOOP1(s) do { s; } while (--t) - - if (dst < src) { - t = (nk_ptr)src; /* only need low bits */ - if ((t | (nk_ptr)dst) & nk_wmask) { - if ((t ^ (nk_ptr)dst) & nk_wmask || length < nk_wsize) - t = length; - else - t = nk_wsize - (t & nk_wmask); - length -= t; - NK_TLOOP1(*dst++ = *src++); - } - t = length / nk_wsize; - NK_TLOOP(*(nk_word*)(void*)dst = *(const nk_word*)(const void*)src; - src += nk_wsize; dst += nk_wsize); - t = length & nk_wmask; - NK_TLOOP(*dst++ = *src++); - } else { - src += length; - dst += length; - t = (nk_ptr)src; - if ((t | (nk_ptr)dst) & nk_wmask) { - if ((t ^ (nk_ptr)dst) & nk_wmask || length <= nk_wsize) - t = length; - else - t &= nk_wmask; - length -= t; - NK_TLOOP1(*--dst = *--src); - } - t = length / nk_wsize; - NK_TLOOP(src -= nk_wsize; dst -= nk_wsize; - *(nk_word*)(void*)dst = *(const nk_word*)(const void*)src); - t = length & nk_wmask; - NK_TLOOP(*--dst = *--src); - } - #undef nk_word - #undef nk_wsize - #undef nk_wmask - #undef NK_TLOOP - #undef NK_TLOOP1 -done: - return (dst0); -} - -NK_INTERN void -nk_memset(void *ptr, int c0, nk_size size) -{ - #define nk_word unsigned - #define nk_wsize sizeof(nk_word) - #define nk_wmask (nk_wsize - 1) - nk_byte *dst = (nk_byte*)ptr; - unsigned c = 0; - nk_size t = 0; - - if ((c = (nk_byte)c0) != 0) { - c = (c << 8) | c; /* at least 16-bits */ - if (sizeof(unsigned int) > 2) - c = (c << 16) | c; /* at least 32-bits*/ - } - - /* too small of a word count */ - dst = (nk_byte*)ptr; - if (size < 3 * nk_wsize) { - while (size--) *dst++ = (nk_byte)c0; - return; - } - - /* align destination */ - if ((t = NK_PTR_TO_UINT(dst) & nk_wmask) != 0) { - t = nk_wsize -t; - size -= t; - do { - *dst++ = (nk_byte)c0; - } while (--t != 0); - } - - /* fill word */ - t = size / nk_wsize; - do { - *(nk_word*)((void*)dst) = c; - dst += nk_wsize; - } while (--t != 0); - - /* fill trailing bytes */ - t = (size & nk_wmask); - if (t != 0) { - do { - *dst++ = (nk_byte)c0; - } while (--t != 0); - } - - #undef nk_word - #undef nk_wsize - #undef nk_wmask -} - -NK_INTERN void -nk_zero(void *ptr, nk_size size) -{ - NK_ASSERT(ptr); - NK_MEMSET(ptr, 0, size); -} - -NK_API int -nk_strlen(const char *str) -{ - int siz = 0; - NK_ASSERT(str); - while (str && *str++ != '\0') siz++; - return siz; -} - -NK_API int -nk_strtof(float *number, const char *buffer) -{ - float m; - float neg = 1.0f; - const char *p = buffer; - float floatvalue = 0; - - NK_ASSERT(number); - NK_ASSERT(buffer); - if (!number || !buffer) return 0; - *number = 0; - - /* skip whitespace */ - while (*p && *p == ' ') p++; - if (*p == '-') { - neg = -1.0f; - p++; - } - - while( *p && *p != '.' && *p != 'e' ) { - floatvalue = floatvalue * 10.0f + (float) (*p - '0'); - p++; - } - - if ( *p == '.' ) { - p++; - for(m = 0.1f; *p && *p != 'e'; p++ ) { - floatvalue = floatvalue + (float) (*p - '0') * m; - m *= 0.1f; - } - } - if ( *p == 'e' ) { - int i, pow, div; - p++; - if ( *p == '-' ) { - div = nk_true; - p++; - } else if ( *p == '+' ) { - div = nk_false; - p++; - } else div = nk_false; - - for ( pow = 0; *p; p++ ) - pow = pow * 10 + (int) (*p - '0'); - - for ( m = 1.0, i = 0; i < pow; i++ ) - m *= 10.0f; - - if ( div ) - floatvalue /= m; - else floatvalue *= m; - } - *number = floatvalue * neg; - return 1; -} - -NK_API int -nk_stricmp(const char *s1, const char *s2) -{ - nk_int c1,c2,d; - do { - c1 = *s1++; - c2 = *s2++; - d = c1 - c2; - while (d) { - if (c1 <= 'Z' && c1 >= 'A') { - d += ('a' - 'A'); - if (!d) break; - } - if (c2 <= 'Z' && c2 >= 'A') { - d -= ('a' - 'A'); - if (!d) break; - } - return ((d >= 0) << 1) - 1; - } - } while (c1); - return 0; -} - -NK_API int -nk_stricmpn(const char *s1, const char *s2, int n) -{ - int c1,c2,d; - NK_ASSERT(n >= 0); - do { - c1 = *s1++; - c2 = *s2++; - if (!n--) return 0; - - d = c1 - c2; - while (d) { - if (c1 <= 'Z' && c1 >= 'A') { - d += ('a' - 'A'); - if (!d) break; - } - if (c2 <= 'Z' && c2 >= 'A') { - d -= ('a' - 'A'); - if (!d) break; - } - return ((d >= 0) << 1) - 1; - } - } while (c1); - return 0; -} - -NK_INTERN int -nk_str_match_here(const char *regexp, const char *text) -{ - if (regexp[0] == '\0') - return 1; - if (regexp[1] == '*') - return nk_str_match_star(regexp[0], regexp+2, text); - if (regexp[0] == '$' && regexp[1] == '\0') - return *text == '\0'; - if (*text!='\0' && (regexp[0]=='.' || regexp[0]==*text)) - return nk_str_match_here(regexp+1, text+1); - return 0; -} - -NK_INTERN int -nk_str_match_star(int c, const char *regexp, const char *text) -{ - do {/* a '* matches zero or more instances */ - if (nk_str_match_here(regexp, text)) - return 1; - } while (*text != '\0' && (*text++ == c || c == '.')); - return 0; -} - -NK_API int -nk_strfilter(const char *text, const char *regexp) -{ - /* - c matches any literal character c - . matches any single character - ^ matches the beginning of the input string - $ matches the end of the input string - * matches zero or more occurrences of the previous character*/ - if (regexp[0] == '^') - return nk_str_match_here(regexp+1, text); - do { /* must look even if string is empty */ - if (nk_str_match_here(regexp, text)) - return 1; - } while (*text++ != '\0'); - return 0; -} - -NK_API int -nk_strmatch_fuzzy_text(const char *str, int str_len, - const char *pattern, int *out_score) -{ - /* Returns true if each character in pattern is found sequentially within str - * if found then outScore is also set. Score value has no intrinsic meaning. - * Range varies with pattern. Can only compare scores with same search pattern. */ - - /* ------- scores --------- */ - /* bonus for adjacent matches */ - #define NK_ADJACENCY_BONUS 5 - /* bonus if match occurs after a separator */ - #define NK_SEPARATOR_BONUS 10 - /* bonus if match is uppercase and prev is lower */ - #define NK_CAMEL_BONUS 10 - /* penalty applied for every letter in str before the first match */ - #define NK_LEADING_LETTER_PENALTY (-3) - /* maximum penalty for leading letters */ - #define NK_MAX_LEADING_LETTER_PENALTY (-9) - /* penalty for every letter that doesn't matter */ - #define NK_UNMATCHED_LETTER_PENALTY (-1) - - - /* loop variables */ - int score = 0; - char const * pattern_iter = pattern; - int str_iter = 0; - int prev_matched = nk_false; - int prev_lower = nk_false; - /* true so if first letter match gets separator bonus*/ - int prev_separator = nk_true; - - /* use "best" matched letter if multiple string letters match the pattern */ - char const * best_letter = 0; - int best_letter_score = 0; - - /* loop over strings */ - NK_ASSERT(str); - NK_ASSERT(pattern); - if (!str || !str_len || !pattern) return 0; - while (str_iter < str_len) - { - const char pattern_letter = *pattern_iter; - const char str_letter = str[str_iter]; - - int next_match = *pattern_iter != '\0' && - nk_to_lower(pattern_letter) == nk_to_lower(str_letter); - int rematch = best_letter && nk_to_lower(*best_letter) == nk_to_lower(str_letter); - - int advanced = next_match && best_letter; - int pattern_repeat = best_letter && *pattern_iter != '\0'; - pattern_repeat = pattern_repeat && - nk_to_lower(*best_letter) == nk_to_lower(pattern_letter); - - if (advanced || pattern_repeat) { - score += best_letter_score; - best_letter = 0; - best_letter_score = 0; - } - - if (next_match || rematch) - { - int new_score = 0; - /* Apply penalty for each letter before the first pattern match */ - if (pattern_iter == pattern) - { - int count = (int)(&str[str_iter] - str); - int penalty = NK_LEADING_LETTER_PENALTY * count; - if (penalty < NK_MAX_LEADING_LETTER_PENALTY) - penalty = NK_MAX_LEADING_LETTER_PENALTY; - - score += penalty; - } - - /* apply bonus for consecutive bonuses */ - if (prev_matched) - new_score += NK_ADJACENCY_BONUS; - - /* apply bonus for matches after a separator */ - if (prev_separator) - new_score += NK_SEPARATOR_BONUS; - - /* apply bonus across camel case boundaries */ - if (prev_lower && nk_is_upper(str_letter)) - new_score += NK_CAMEL_BONUS; - - /* update pattern iter IFF the next pattern letter was matched */ - if (next_match) - ++pattern_iter; - - /* update best letter in str which may be for a "next" letter or a rematch */ - if (new_score >= best_letter_score) - { - /* apply penalty for now skipped letter */ - if (best_letter != 0) - score += NK_UNMATCHED_LETTER_PENALTY; - - best_letter = &str[str_iter]; - best_letter_score = new_score; - } - - prev_matched = nk_true; - } - else - { - score += NK_UNMATCHED_LETTER_PENALTY; - prev_matched = nk_false; - } - - /* separators should be more easily defined */ - prev_lower = nk_is_lower(str_letter) != 0; - prev_separator = str_letter == '_' || str_letter == ' '; - - ++str_iter; - } - - /* apply score for last match */ - if (best_letter) - score += best_letter_score; - - /* did not match full pattern */ - if (*pattern_iter != '\0') - return nk_false; - - if (out_score) - *out_score = score; - return nk_true; -} - -#ifdef NK_INCLUDE_STANDARD_IO -NK_API int -nk_strfmt(char *buf, int buf_size, const char *fmt,...) -{ - int w; - va_list args; - va_start(args, fmt); - w = vsnprintf(buf, (nk_size)buf_size, fmt, args); - va_end(args); - buf[buf_size-1] = 0; - return (w == -1) ?(int)buf_size:w; -} - -NK_INTERN int -nk_strfmtv(char *buf, int buf_size, const char *fmt, va_list args) -{ - int w = vsnprintf(buf, (nk_size)buf_size, fmt, args); - buf[buf_size-1] = 0; - return (w == -1) ? (int)buf_size:w; -} -#endif - -NK_INTERN int -nk_string_float_limit(char *string, int prec) -{ - int dot = 0; - char *c = string; - while (*c) { - if (*c == '.') { - dot = 1; - c++; - continue; - } - if (dot == (prec+1)) { - *c = 0; - break; - } - if (dot > 0) dot++; - c++; - } - return (int)(c - string); -} - -NK_INTERN float -nk_pow(float x, int n) -{ - /* check the sign of n */ - float r = 1; - int plus = n >= 0; - n = (plus) ? n : -n; - while (n > 0) { - if ((n & 1) == 1) - r *= x; - n /= 2; - x *= x; - } - return plus ? r : 1.0f / r; -} - -NK_INTERN int -nk_ifloor(float x) -{ - x = (float)((int)x - ((x < 0.0) ? 1 : 0)); - return (int)x; -} - -NK_INTERN int -nk_iceil(float x) -{ - if (x >= 0) { - int i = (int)x; - return i; - } else { - int t = (int)x; - float r = x - (float)t; - return (r > 0.0f) ? t+1: t; - } -} - -NK_INTERN int -nk_log10(float n) -{ - int neg; - int ret; - int exp = 0; - - neg = (n < 0) ? 1 : 0; - ret = (neg) ? (int)-n : (int)n; - while ((ret / 10) > 0) { - ret /= 10; - exp++; - } - if (neg) exp = -exp; - return exp; -} - -NK_INTERN int -nk_ftos(char *s, float n) -{ - int useExp = 0; - int digit = 0, m = 0, m1 = 0; - char *c = s; - int neg = 0; - - if (n == 0.0) { - s[0] = '0'; s[1] = '\0'; - return 1; - } - - neg = (n < 0); - if (neg) n = -n; - - /* calculate magnitude */ - m = nk_log10(n); - useExp = (m >= 14 || (neg && m >= 9) || m <= -9); - if (neg) *(c++) = '-'; - - /* set up for scientific notation */ - if (useExp) { - if (m < 0) - m -= 1; - n = n / nk_pow(10.0, m); - m1 = m; - m = 0; - } - if (m < 1.0) { - m = 0; - } - - /* convert the number */ - while (n > NK_FLOAT_PRECISION || m >= 0) { - float weight = nk_pow(10.0, m); - if (weight > 0) { - float t = (float)n / weight; - digit = nk_ifloor(t); - n -= ((float)digit * weight); - *(c++) = (char)('0' + (char)digit); - } - if (m == 0 && n > 0) - *(c++) = '.'; - m--; - } - - if (useExp) { - /* convert the exponent */ - int i, j; - *(c++) = 'e'; - if (m1 > 0) { - *(c++) = '+'; - } else { - *(c++) = '-'; - m1 = -m1; - } - m = 0; - while (m1 > 0) { - *(c++) = (char)('0' + (char)(m1 % 10)); - m1 /= 10; - m++; - } - c -= m; - for (i = 0, j = m-1; i> (32 - r))) - union {const nk_uint *i; const nk_byte *b;} conv = {0}; - const nk_byte *data = (const nk_byte*)key; - const int nblocks = len/4; - nk_uint h1 = seed; - const nk_uint c1 = 0xcc9e2d51; - const nk_uint c2 = 0x1b873593; - const nk_byte *tail; - const nk_uint *blocks; - nk_uint k1; - int i; - - /* body */ - if (!key) return 0; - conv.b = (data + nblocks*4); - blocks = (const nk_uint*)conv.i; - for (i = -nblocks; i; ++i) { - k1 = blocks[i]; - k1 *= c1; - k1 = NK_ROTL(k1,15); - k1 *= c2; - - h1 ^= k1; - h1 = NK_ROTL(h1,13); - h1 = h1*5+0xe6546b64; - } - - /* tail */ - tail = (const nk_byte*)(data + nblocks*4); - k1 = 0; - switch (len & 3) { - case 3: k1 ^= (nk_uint)(tail[2] << 16); - case 2: k1 ^= (nk_uint)(tail[1] << 8u); - case 1: k1 ^= tail[0]; - k1 *= c1; - k1 = NK_ROTL(k1,15); - k1 *= c2; - h1 ^= k1; - default: break; - } - - /* finalization */ - h1 ^= (nk_uint)len; - /* fmix32 */ - h1 ^= h1 >> 16; - h1 *= 0x85ebca6b; - h1 ^= h1 >> 13; - h1 *= 0xc2b2ae35; - h1 ^= h1 >> 16; - - #undef NK_ROTL - return h1; -} - -#ifdef NK_INCLUDE_STANDARD_IO -NK_INTERN char* -nk_file_load(const char* path, nk_size* siz, struct nk_allocator *alloc) -{ - char *buf; - FILE *fd; - long ret; - - NK_ASSERT(path); - NK_ASSERT(siz); - NK_ASSERT(alloc); - if (!path || !siz || !alloc) - return 0; - - fd = fopen(path, "rb"); - if (!fd) return 0; - fseek(fd, 0, SEEK_END); - ret = ftell(fd); - if (ret < 0) { - fclose(fd); - return 0; - } - *siz = (nk_size)ret; - fseek(fd, 0, SEEK_SET); - buf = (char*)alloc->alloc(alloc->userdata,0, *siz); - NK_ASSERT(buf); - if (!buf) { - fclose(fd); - return 0; - } - *siz = (nk_size)fread(buf, *siz, 1, fd); - fclose(fd); - return buf; -} -#endif - -/* - * ============================================================== - * - * COLOR - * - * =============================================================== - */ -NK_INTERN int -nk_parse_hex(const char *p, int length) -{ - int i = 0; - int len = 0; - while (len < length) { - i <<= 4; - if (p[len] >= 'a' && p[len] <= 'f') - i += ((p[len] - 'a') + 10); - else if (p[len] >= 'A' && p[len] <= 'F') { - i += ((p[len] - 'A') + 10); - } else i += (p[len] - '0'); - len++; - } - return i; -} - -NK_API struct nk_color -nk_rgba(int r, int g, int b, int a) -{ - struct nk_color ret; - ret.r = (nk_byte)NK_CLAMP(0, r, 255); - ret.g = (nk_byte)NK_CLAMP(0, g, 255); - ret.b = (nk_byte)NK_CLAMP(0, b, 255); - ret.a = (nk_byte)NK_CLAMP(0, a, 255); - return ret; -} - -NK_API struct nk_color -nk_rgb_hex(const char *rgb) -{ - struct nk_color col; - const char *c = rgb; - if (*c == '#') c++; - col.r = (nk_byte)nk_parse_hex(c, 2); - col.g = (nk_byte)nk_parse_hex(c+2, 2); - col.b = (nk_byte)nk_parse_hex(c+4, 2); - col.a = 255; - return col; -} - -NK_API struct nk_color -nk_rgba_hex(const char *rgb) -{ - struct nk_color col; - const char *c = rgb; - if (*c == '#') c++; - col.r = (nk_byte)nk_parse_hex(c, 2); - col.g = (nk_byte)nk_parse_hex(c+2, 2); - col.b = (nk_byte)nk_parse_hex(c+4, 2); - col.a = (nk_byte)nk_parse_hex(c+6, 2); - return col; -} - -NK_API void -nk_color_hex_rgba(char *output, struct nk_color col) -{ - #define NK_TO_HEX(i) ((i) <= 9 ? '0' + (i): 'A' - 10 + (i)) - output[0] = (char)NK_TO_HEX((col.r & 0x0F)); - output[1] = (char)NK_TO_HEX((col.r & 0xF0) >> 4); - output[2] = (char)NK_TO_HEX((col.g & 0x0F)); - output[3] = (char)NK_TO_HEX((col.g & 0xF0) >> 4); - output[4] = (char)NK_TO_HEX((col.b & 0x0F)); - output[5] = (char)NK_TO_HEX((col.b & 0xF0) >> 4); - output[6] = (char)NK_TO_HEX((col.a & 0x0F)); - output[7] = (char)NK_TO_HEX((col.a & 0xF0) >> 4); - output[8] = '\0'; - #undef NK_TO_HEX -} - -NK_API void -nk_color_hex_rgb(char *output, struct nk_color col) -{ - #define NK_TO_HEX(i) ((i) <= 9 ? '0' + (i): 'A' - 10 + (i)) - output[0] = (char)NK_TO_HEX((col.r & 0x0F)); - output[1] = (char)NK_TO_HEX((col.r & 0xF0) >> 4); - output[2] = (char)NK_TO_HEX((col.g & 0x0F)); - output[3] = (char)NK_TO_HEX((col.g & 0xF0) >> 4); - output[4] = (char)NK_TO_HEX((col.b & 0x0F)); - output[5] = (char)NK_TO_HEX((col.b & 0xF0) >> 4); - output[6] = '\0'; - #undef NK_TO_HEX -} - -NK_API struct nk_color -nk_rgba_iv(const int *c) -{ - return nk_rgba(c[0], c[1], c[2], c[3]); -} - -NK_API struct nk_color -nk_rgba_bv(const nk_byte *c) -{ - return nk_rgba(c[0], c[1], c[2], c[3]); -} - -NK_API struct nk_color -nk_rgb(int r, int g, int b) -{ - struct nk_color ret; - ret.r =(nk_byte)NK_CLAMP(0, r, 255); - ret.g =(nk_byte)NK_CLAMP(0, g, 255); - ret.b =(nk_byte)NK_CLAMP(0, b, 255); - ret.a =(nk_byte)255; - return ret; -} - -NK_API struct nk_color -nk_rgb_iv(const int *c) -{ - return nk_rgb(c[0], c[1], c[2]); -} - -NK_API struct nk_color -nk_rgb_bv(const nk_byte* c) -{ - return nk_rgb(c[0], c[1], c[2]); -} - -NK_API struct nk_color -nk_rgba_u32(nk_uint in) -{ - struct nk_color ret; - ret.r = (in & 0xFF); - ret.g = ((in >> 8) & 0xFF); - ret.b = ((in >> 16) & 0xFF); - ret.a = (nk_byte)((in >> 24) & 0xFF); - return ret; -} - -NK_API struct nk_color -nk_rgba_f(float r, float g, float b, float a) -{ - struct nk_color ret; - ret.r = (nk_byte)(NK_SATURATE(r) * 255.0f); - ret.g = (nk_byte)(NK_SATURATE(g) * 255.0f); - ret.b = (nk_byte)(NK_SATURATE(b) * 255.0f); - ret.a = (nk_byte)(NK_SATURATE(a) * 255.0f); - return ret; -} - -NK_API struct nk_color -nk_rgba_fv(const float *c) -{ - return nk_rgba_f(c[0], c[1], c[2], c[3]); -} - -NK_API struct nk_color -nk_rgb_f(float r, float g, float b) -{ - struct nk_color ret; - ret.r = (nk_byte)(NK_SATURATE(r) * 255.0f); - ret.g = (nk_byte)(NK_SATURATE(g) * 255.0f); - ret.b = (nk_byte)(NK_SATURATE(b) * 255.0f); - ret.a = 255; - return ret; -} - -NK_API struct nk_color -nk_rgb_fv(const float *c) -{ - return nk_rgb_f(c[0], c[1], c[2]); -} - -NK_API struct nk_color -nk_hsv(int h, int s, int v) -{ - return nk_hsva(h, s, v, 255); -} - -NK_API struct nk_color -nk_hsv_iv(const int *c) -{ - return nk_hsv(c[0], c[1], c[2]); -} - -NK_API struct nk_color -nk_hsv_bv(const nk_byte *c) -{ - return nk_hsv(c[0], c[1], c[2]); -} - -NK_API struct nk_color -nk_hsv_f(float h, float s, float v) -{ - return nk_hsva_f(h, s, v, 1.0f); -} - -NK_API struct nk_color -nk_hsv_fv(const float *c) -{ - return nk_hsv_f(c[0], c[1], c[2]); -} - -NK_API struct nk_color -nk_hsva(int h, int s, int v, int a) -{ - float hf = ((float)NK_CLAMP(0, h, 255)) / 255.0f; - float sf = ((float)NK_CLAMP(0, s, 255)) / 255.0f; - float vf = ((float)NK_CLAMP(0, v, 255)) / 255.0f; - float af = ((float)NK_CLAMP(0, a, 255)) / 255.0f; - return nk_hsva_f(hf, sf, vf, af); -} - -NK_API struct nk_color -nk_hsva_iv(const int *c) -{ - return nk_hsva(c[0], c[1], c[2], c[3]); -} - -NK_API struct nk_color -nk_hsva_bv(const nk_byte *c) -{ - return nk_hsva(c[0], c[1], c[2], c[3]); -} - -NK_API struct nk_color -nk_hsva_f(float h, float s, float v, float a) -{ - struct nk_colorf {float r,g,b;} out = {0,0,0}; - float p, q, t, f; - int i; - - if (s <= 0.0f) { - out.r = v; out.g = v; out.b = v; - return nk_rgb_f(out.r, out.g, out.b); - } - - h = h / (60.0f/360.0f); - i = (int)h; - f = h - (float)i; - p = v * (1.0f - s); - q = v * (1.0f - (s * f)); - t = v * (1.0f - s * (1.0f - f)); - - switch (i) { - case 0: out.r = v; out.g = t; out.b = p; break; - case 1: out.r = q; out.g = v; out.b = p; break; - case 2: out.r = p; out.g = v; out.b = t; break; - case 3: out.r = p; out.g = q; out.b = v; break; - case 4: out.r = t; out.g = p; out.b = v; break; - case 5: default: out.r = v; out.g = p; out.b = q; break; - } - return nk_rgba_f(out.r, out.g, out.b, a); -} - -NK_API struct nk_color -nk_hsva_fv(const float *c) -{ - return nk_hsva_f(c[0], c[1], c[2], c[3]); -} - -NK_API nk_uint -nk_color_u32(struct nk_color in) -{ - nk_uint out = (nk_uint)in.r; - out |= ((nk_uint)in.g << 8); - out |= ((nk_uint)in.b << 16); - out |= ((nk_uint)in.a << 24); - return out; -} - -NK_API void -nk_color_f(float *r, float *g, float *b, float *a, struct nk_color in) -{ - NK_STORAGE const float s = 1.0f/255.0f; - *r = (float)in.r * s; - *g = (float)in.g * s; - *b = (float)in.b * s; - *a = (float)in.a * s; -} - -NK_API void -nk_color_fv(float *c, struct nk_color in) -{ - nk_color_f(&c[0], &c[1], &c[2], &c[3], in); -} - -NK_API void -nk_color_hsv_f(float *out_h, float *out_s, float *out_v, struct nk_color in) -{ - float a; - nk_color_hsva_f(out_h, out_s, out_v, &a, in); -} - -NK_API void -nk_color_hsv_fv(float *out, struct nk_color in) -{ - float a; - nk_color_hsva_f(&out[0], &out[1], &out[2], &a, in); -} - -NK_API void -nk_color_hsva_f(float *out_h, float *out_s, - float *out_v, float *out_a, struct nk_color in) -{ - float chroma; - float K = 0.0f; - float r,g,b,a; - - nk_color_f(&r,&g,&b,&a, in); - if (g < b) { - const float t = g; g = b; b = t; - K = -1.f; - } - if (r < g) { - const float t = r; r = g; g = t; - K = -2.f/6.0f - K; - } - chroma = r - ((g < b) ? g: b); - *out_h = NK_ABS(K + (g - b)/(6.0f * chroma + 1e-20f)); - *out_s = chroma / (r + 1e-20f); - *out_v = r; - *out_a = (float)in.a / 255.0f; -} - -NK_API void -nk_color_hsva_fv(float *out, struct nk_color in) -{ - nk_color_hsva_f(&out[0], &out[1], &out[2], &out[3], in); -} - -NK_API void -nk_color_hsva_i(int *out_h, int *out_s, int *out_v, - int *out_a, struct nk_color in) -{ - float h,s,v,a; - nk_color_hsva_f(&h, &s, &v, &a, in); - *out_h = (nk_byte)(h * 255.0f); - *out_s = (nk_byte)(s * 255.0f); - *out_v = (nk_byte)(v * 255.0f); - *out_a = (nk_byte)(a * 255.0f); -} - -NK_API void -nk_color_hsva_iv(int *out, struct nk_color in) -{ - nk_color_hsva_i(&out[0], &out[1], &out[2], &out[3], in); -} - -NK_API void -nk_color_hsva_bv(nk_byte *out, struct nk_color in) -{ - int tmp[4]; - nk_color_hsva_i(&tmp[0], &tmp[1], &tmp[2], &tmp[3], in); - out[0] = (nk_byte)tmp[0]; - out[1] = (nk_byte)tmp[1]; - out[2] = (nk_byte)tmp[2]; - out[3] = (nk_byte)tmp[3]; -} - -NK_API void -nk_color_hsv_i(int *out_h, int *out_s, int *out_v, struct nk_color in) -{ - int a; - nk_color_hsva_i(out_h, out_s, out_v, &a, in); -} - -NK_API void -nk_color_hsv_iv(int *out, struct nk_color in) -{ - nk_color_hsv_i(&out[0], &out[1], &out[2], in); -} - -NK_API void -nk_color_hsv_bv(nk_byte *out, struct nk_color in) -{ - int tmp[4]; - nk_color_hsv_i(&tmp[0], &tmp[1], &tmp[2], in); - out[0] = (nk_byte)tmp[0]; - out[1] = (nk_byte)tmp[1]; - out[2] = (nk_byte)tmp[2]; -} -/* - * ============================================================== - * - * IMAGE - * - * =============================================================== - */ -NK_API nk_handle -nk_handle_ptr(void *ptr) -{ - nk_handle handle = {0}; - handle.ptr = ptr; - return handle; -} - -NK_API nk_handle -nk_handle_id(int id) -{ - nk_handle handle; - handle.id = id; - return handle; -} - -NK_API struct nk_image -nk_subimage_ptr(void *ptr, unsigned short w, unsigned short h, struct nk_rect r) -{ - struct nk_image s; - nk_zero(&s, sizeof(s)); - s.handle.ptr = ptr; - s.w = w; s.h = h; - s.region[0] = (unsigned short)r.x; - s.region[1] = (unsigned short)r.y; - s.region[2] = (unsigned short)r.w; - s.region[3] = (unsigned short)r.h; - return s; -} - -NK_API struct nk_image -nk_subimage_id(int id, unsigned short w, unsigned short h, struct nk_rect r) -{ - struct nk_image s; - nk_zero(&s, sizeof(s)); - s.handle.id = id; - s.w = w; s.h = h; - s.region[0] = (unsigned short)r.x; - s.region[1] = (unsigned short)r.y; - s.region[2] = (unsigned short)r.w; - s.region[3] = (unsigned short)r.h; - return s; -} - -NK_API struct nk_image -nk_image_ptr(void *ptr) -{ - struct nk_image s; - nk_zero(&s, sizeof(s)); - NK_ASSERT(ptr); - s.handle.ptr = ptr; - s.w = 0; s.h = 0; - s.region[0] = 0; - s.region[1] = 0; - s.region[2] = 0; - s.region[3] = 0; - return s; -} - -NK_API struct nk_image -nk_image_id(int id) -{ - struct nk_image s; - nk_zero(&s, sizeof(s)); - s.handle.id = id; - s.w = 0; s.h = 0; - s.region[0] = 0; - s.region[1] = 0; - s.region[2] = 0; - s.region[3] = 0; - return s; -} - -NK_API int -nk_image_is_subimage(const struct nk_image* img) -{ - NK_ASSERT(img); - return !(img->w == 0 && img->h == 0); -} - -NK_INTERN void -nk_unify(struct nk_rect *clip, const struct nk_rect *a, float x0, float y0, - float x1, float y1) -{ - NK_ASSERT(a); - NK_ASSERT(clip); - clip->x = NK_MAX(a->x, x0); - clip->y = NK_MAX(a->y, y0); - clip->w = NK_MIN(a->x + a->w, x1) - clip->x; - clip->h = NK_MIN(a->y + a->h, y1) - clip->y; - clip->w = NK_MAX(0, clip->w); - clip->h = NK_MAX(0, clip->h); -} - -NK_API void -nk_triangle_from_direction(struct nk_vec2 *result, struct nk_rect r, - float pad_x, float pad_y, enum nk_heading direction) -{ - float w_half, h_half; - NK_ASSERT(result); - - r.w = NK_MAX(2 * pad_x, r.w); - r.h = NK_MAX(2 * pad_y, r.h); - r.w = r.w - 2 * pad_x; - r.h = r.h - 2 * pad_y; - - r.x = r.x + pad_x; - r.y = r.y + pad_y; - - w_half = r.w / 2.0f; - h_half = r.h / 2.0f; - - if (direction == NK_UP) { - result[0] = nk_vec2(r.x + w_half, r.y); - result[1] = nk_vec2(r.x + r.w, r.y + r.h); - result[2] = nk_vec2(r.x, r.y + r.h); - } else if (direction == NK_RIGHT) { - result[0] = nk_vec2(r.x, r.y); - result[1] = nk_vec2(r.x + r.w, r.y + h_half); - result[2] = nk_vec2(r.x, r.y + r.h); - } else if (direction == NK_DOWN) { - result[0] = nk_vec2(r.x, r.y); - result[1] = nk_vec2(r.x + r.w, r.y); - result[2] = nk_vec2(r.x + w_half, r.y + r.h); - } else { - result[0] = nk_vec2(r.x, r.y + h_half); - result[1] = nk_vec2(r.x + r.w, r.y); - result[2] = nk_vec2(r.x + r.w, r.y + r.h); - } -} - -NK_INTERN int -nk_text_clamp(const struct nk_user_font *font, const char *text, - int text_len, float space, int *glyphs, float *text_width) -{ - int glyph_len = 0; - float last_width = 0; - nk_rune unicode = 0; - float width = 0; - int len = 0; - int g = 0; - - glyph_len = nk_utf_decode(text, &unicode, text_len); - while (glyph_len && (width < space) && (len < text_len)) { - float s; - len += glyph_len; - s = font->width(font->userdata, font->height, text, len); - - last_width = width; - width = s; - glyph_len = nk_utf_decode(&text[len], &unicode, text_len - len); - g++; - } - - *glyphs = g; - *text_width = last_width; - return len; -} - -enum {NK_DO_NOT_STOP_ON_NEW_LINE, NK_STOP_ON_NEW_LINE}; -NK_INTERN struct nk_vec2 -nk_text_calculate_text_bounds(const struct nk_user_font *font, - const char *begin, int byte_len, float row_height, const char **remaining, - struct nk_vec2 *out_offset, int *glyphs, int op) -{ - float line_height = row_height; - struct nk_vec2 text_size = nk_vec2(0,0); - float line_width = 0.0f; - - float glyph_width; - int glyph_len = 0; - nk_rune unicode = 0; - int text_len = 0; - if (!begin || byte_len <= 0 || !font) - return nk_vec2(0,row_height); - - glyph_len = nk_utf_decode(begin, &unicode, byte_len); - if (!glyph_len) return text_size; - glyph_width = font->width(font->userdata, font->height, begin, glyph_len); - - *glyphs = 0; - while ((text_len < byte_len) && glyph_len) { - if (unicode == '\n') { - text_size.x = NK_MAX(text_size.x, line_width); - text_size.y += line_height; - line_width = 0; - *glyphs+=1; - if (op == NK_STOP_ON_NEW_LINE) - break; - - text_len++; - glyph_len = nk_utf_decode(begin + text_len, &unicode, byte_len-text_len); - continue; - } - - if (unicode == '\r') { - text_len++; - *glyphs+=1; - glyph_len = nk_utf_decode(begin + text_len, &unicode, byte_len-text_len); - continue; - } - - *glyphs = *glyphs + 1; - text_len += glyph_len; - line_width += (float)glyph_width; - glyph_width = font->width(font->userdata, font->height, begin+text_len, glyph_len); - glyph_len = nk_utf_decode(begin + text_len, &unicode, byte_len-text_len); - continue; - } - - if (text_size.x < line_width) - text_size.x = line_width; - if (out_offset) - *out_offset = nk_vec2(line_width, text_size.y + line_height); - if (line_width > 0 || text_size.y == 0.0f) - text_size.y += line_height; - if (remaining) - *remaining = begin+text_len; - return text_size; -} - -/* ============================================================== - * - * UTF-8 - * - * ===============================================================*/ -NK_GLOBAL const nk_byte nk_utfbyte[NK_UTF_SIZE+1] = {0x80, 0, 0xC0, 0xE0, 0xF0}; -NK_GLOBAL const nk_byte nk_utfmask[NK_UTF_SIZE+1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; -NK_GLOBAL const nk_uint nk_utfmin[NK_UTF_SIZE+1] = {0, 0, 0x80, 0x800, 0x10000}; -NK_GLOBAL const nk_uint nk_utfmax[NK_UTF_SIZE+1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; - -NK_INTERN int -nk_utf_validate(nk_rune *u, int i) -{ - NK_ASSERT(u); - if (!u) return 0; - if (!NK_BETWEEN(*u, nk_utfmin[i], nk_utfmax[i]) || - NK_BETWEEN(*u, 0xD800, 0xDFFF)) - *u = NK_UTF_INVALID; - for (i = 1; *u > nk_utfmax[i]; ++i); - return i; -} - -NK_INTERN nk_rune -nk_utf_decode_byte(char c, int *i) -{ - NK_ASSERT(i); - if (!i) return 0; - for(*i = 0; *i < (int)NK_LEN(nk_utfmask); ++(*i)) { - if (((nk_byte)c & nk_utfmask[*i]) == nk_utfbyte[*i]) - return (nk_byte)(c & ~nk_utfmask[*i]); - } - return 0; -} - -NK_API int -nk_utf_decode(const char *c, nk_rune *u, int clen) -{ - int i, j, len, type=0; - nk_rune udecoded; - - NK_ASSERT(c); - NK_ASSERT(u); - - if (!c || !u) return 0; - if (!clen) return 0; - *u = NK_UTF_INVALID; - - udecoded = nk_utf_decode_byte(c[0], &len); - if (!NK_BETWEEN(len, 1, NK_UTF_SIZE)) - return 1; - - for (i = 1, j = 1; i < clen && j < len; ++i, ++j) { - udecoded = (udecoded << 6) | nk_utf_decode_byte(c[i], &type); - if (type != 0) - return j; - } - if (j < len) - return 0; - *u = udecoded; - nk_utf_validate(u, len); - return len; -} - -NK_INTERN char -nk_utf_encode_byte(nk_rune u, int i) -{ - return (char)((nk_utfbyte[i]) | ((nk_byte)u & ~nk_utfmask[i])); -} - -NK_API int -nk_utf_encode(nk_rune u, char *c, int clen) -{ - int len, i; - len = nk_utf_validate(&u, 0); - if (clen < len || !len || len > NK_UTF_SIZE) - return 0; - - for (i = len - 1; i != 0; --i) { - c[i] = nk_utf_encode_byte(u, 0); - u >>= 6; - } - c[0] = nk_utf_encode_byte(u, len); - return len; -} - -NK_API int -nk_utf_len(const char *str, int len) -{ - const char *text; - int glyphs = 0; - int text_len; - int glyph_len; - int src_len = 0; - nk_rune unicode; - - NK_ASSERT(str); - if (!str || !len) return 0; - - text = str; - text_len = len; - glyph_len = nk_utf_decode(text, &unicode, text_len); - while (glyph_len && src_len < len) { - glyphs++; - src_len = src_len + glyph_len; - glyph_len = nk_utf_decode(text + src_len, &unicode, text_len - src_len); - } - return glyphs; -} - -NK_API const char* -nk_utf_at(const char *buffer, int length, int index, - nk_rune *unicode, int *len) -{ - int i = 0; - int src_len = 0; - int glyph_len = 0; - const char *text; - int text_len; - - NK_ASSERT(buffer); - NK_ASSERT(unicode); - NK_ASSERT(len); - - if (!buffer || !unicode || !len) return 0; - if (index < 0) { - *unicode = NK_UTF_INVALID; - *len = 0; - return 0; - } - - text = buffer; - text_len = length; - glyph_len = nk_utf_decode(text, unicode, text_len); - while (glyph_len) { - if (i == index) { - *len = glyph_len; - break; - } - - i++; - src_len = src_len + glyph_len; - glyph_len = nk_utf_decode(text + src_len, unicode, text_len - src_len); - } - if (i != index) return 0; - return buffer + src_len; -} - -/* ============================================================== - * - * BUFFER - * - * ===============================================================*/ -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_INTERN void* nk_malloc(nk_handle unused, void *old,nk_size size) -{NK_UNUSED(unused); NK_UNUSED(old); return malloc(size);} -NK_INTERN void nk_mfree(nk_handle unused, void *ptr) -{NK_UNUSED(unused); free(ptr);} - -NK_API void -nk_buffer_init_default(struct nk_buffer *buffer) -{ - struct nk_allocator alloc; - alloc.userdata.ptr = 0; - alloc.alloc = nk_malloc; - alloc.free = nk_mfree; - nk_buffer_init(buffer, &alloc, NK_BUFFER_DEFAULT_INITIAL_SIZE); -} -#endif - -NK_API void -nk_buffer_init(struct nk_buffer *b, const struct nk_allocator *a, - nk_size initial_size) -{ - NK_ASSERT(b); - NK_ASSERT(a); - NK_ASSERT(initial_size); - if (!b || !a || !initial_size) return; - - nk_zero(b, sizeof(*b)); - b->type = NK_BUFFER_DYNAMIC; - b->memory.ptr = a->alloc(a->userdata,0, initial_size); - b->memory.size = initial_size; - b->size = initial_size; - b->grow_factor = 2.0f; - b->pool = *a; -} - -NK_API void -nk_buffer_init_fixed(struct nk_buffer *b, void *m, nk_size size) -{ - NK_ASSERT(b); - NK_ASSERT(m); - NK_ASSERT(size); - if (!b || !m || !size) return; - - nk_zero(b, sizeof(*b)); - b->type = NK_BUFFER_FIXED; - b->memory.ptr = m; - b->memory.size = size; - b->size = size; -} - -NK_INTERN void* -nk_buffer_align(void *unaligned, nk_size align, nk_size *alignment, - enum nk_buffer_allocation_type type) -{ - void *memory = 0; - switch (type) { - default: - case NK_BUFFER_MAX: - case NK_BUFFER_FRONT: - if (align) { - memory = NK_ALIGN_PTR(unaligned, align); - *alignment = (nk_size)((nk_byte*)memory - (nk_byte*)unaligned); - } else { - memory = unaligned; - *alignment = 0; - } - break; - case NK_BUFFER_BACK: - if (align) { - memory = NK_ALIGN_PTR_BACK(unaligned, align); - *alignment = (nk_size)((nk_byte*)unaligned - (nk_byte*)memory); - } else { - memory = unaligned; - *alignment = 0; - } - break; - } - return memory; -} - -NK_INTERN void* -nk_buffer_realloc(struct nk_buffer *b, nk_size capacity, nk_size *size) -{ - void *temp; - nk_size buffer_size; - - NK_ASSERT(b); - NK_ASSERT(size); - if (!b || !size || !b->pool.alloc || !b->pool.free) - return 0; - - buffer_size = b->memory.size; - temp = b->pool.alloc(b->pool.userdata, b->memory.ptr, capacity); - NK_ASSERT(temp); - if (!temp) return 0; - - *size = capacity; - if (temp != b->memory.ptr) { - NK_MEMCPY(temp, b->memory.ptr, buffer_size); - b->pool.free(b->pool.userdata, b->memory.ptr); - } - - if (b->size == buffer_size) { - /* no back buffer so just set correct size */ - b->size = capacity; - return temp; - } else { - /* copy back buffer to the end of the new buffer */ - void *dst, *src; - nk_size back_size; - back_size = buffer_size - b->size; - dst = nk_ptr_add(void, temp, capacity - back_size); - src = nk_ptr_add(void, temp, b->size); - NK_MEMCPY(dst, src, back_size); - b->size = capacity - back_size; - } - return temp; -} - -NK_INTERN void* -nk_buffer_alloc(struct nk_buffer *b, enum nk_buffer_allocation_type type, - nk_size size, nk_size align) -{ - int full; - nk_size alignment; - void *unaligned; - void *memory; - - NK_ASSERT(b); - NK_ASSERT(size); - if (!b || !size) return 0; - b->needed += size; - - /* calculate total size with needed alignment + size */ - if (type == NK_BUFFER_FRONT) - unaligned = nk_ptr_add(void, b->memory.ptr, b->allocated); - else unaligned = nk_ptr_add(void, b->memory.ptr, b->size - size); - memory = nk_buffer_align(unaligned, align, &alignment, type); - - /* check if buffer has enough memory*/ - if (type == NK_BUFFER_FRONT) - full = ((b->allocated + size + alignment) > b->size); - else full = ((b->size - (size + alignment)) <= b->allocated); - - if (full) { - nk_size capacity; - NK_ASSERT(b->type == NK_BUFFER_DYNAMIC); - NK_ASSERT(b->pool.alloc && b->pool.free); - if (b->type != NK_BUFFER_DYNAMIC || !b->pool.alloc || !b->pool.free) - return 0; - - /* buffer is full so allocate bigger buffer if dynamic */ - capacity = (nk_size)((float)b->memory.size * b->grow_factor); - capacity = NK_MAX(capacity, nk_round_up_pow2((nk_uint)(b->allocated + size))); - b->memory.ptr = nk_buffer_realloc(b, capacity, &b->memory.size); - if (!b->memory.ptr) return 0; - - /* align newly allocated pointer */ - if (type == NK_BUFFER_FRONT) - unaligned = nk_ptr_add(void, b->memory.ptr, b->allocated); - else unaligned = nk_ptr_add(void, b->memory.ptr, b->size); - memory = nk_buffer_align(unaligned, align, &alignment, type); - } - - if (type == NK_BUFFER_FRONT) - b->allocated += size + alignment; - else b->size -= (size + alignment); - b->needed += alignment; - b->calls++; - return memory; -} - -NK_API void -nk_buffer_push(struct nk_buffer *b, enum nk_buffer_allocation_type type, - void *memory, nk_size size, nk_size align) -{ - void *mem = nk_buffer_alloc(b, type, size, align); - if (!mem) return; - NK_MEMCPY(mem, memory, size); -} - -NK_API void -nk_buffer_mark(struct nk_buffer *buffer, enum nk_buffer_allocation_type type) -{ - NK_ASSERT(buffer); - if (!buffer) return; - buffer->marker[type].active = nk_true; - if (type == NK_BUFFER_BACK) - buffer->marker[type].offset = buffer->size; - else buffer->marker[type].offset = buffer->allocated; -} - -NK_API void -nk_buffer_reset(struct nk_buffer *buffer, enum nk_buffer_allocation_type type) -{ - NK_ASSERT(buffer); - if (!buffer) return; - if (type == NK_BUFFER_BACK) { - /* reset back buffer either back to marker or empty */ - buffer->needed -= (buffer->memory.size - buffer->marker[type].offset); - if (buffer->marker[type].active) - buffer->size = buffer->marker[type].offset; - else buffer->size = buffer->memory.size; - buffer->marker[type].active = nk_false; - } else { - /* reset front buffer either back to back marker or empty */ - buffer->needed -= (buffer->allocated - buffer->marker[type].offset); - if (buffer->marker[type].active) - buffer->allocated = buffer->marker[type].offset; - else buffer->allocated = 0; - buffer->marker[type].active = nk_false; - } -} - -NK_API void -nk_buffer_clear(struct nk_buffer *b) -{ - NK_ASSERT(b); - if (!b) return; - b->allocated = 0; - b->size = b->memory.size; - b->calls = 0; - b->needed = 0; -} - -NK_API void -nk_buffer_free(struct nk_buffer *b) -{ - NK_ASSERT(b); - if (!b || !b->memory.ptr) return; - if (b->type == NK_BUFFER_FIXED) return; - if (!b->pool.free) return; - NK_ASSERT(b->pool.free); - b->pool.free(b->pool.userdata, b->memory.ptr); -} - -NK_API void -nk_buffer_info(struct nk_memory_status *s, struct nk_buffer *b) -{ - NK_ASSERT(b); - NK_ASSERT(s); - if (!s || !b) return; - s->allocated = b->allocated; - s->size = b->memory.size; - s->needed = b->needed; - s->memory = b->memory.ptr; - s->calls = b->calls; -} - -NK_API void* -nk_buffer_memory(struct nk_buffer *buffer) -{ - NK_ASSERT(buffer); - if (!buffer) return 0; - return buffer->memory.ptr; -} - -NK_API const void* -nk_buffer_memory_const(const struct nk_buffer *buffer) -{ - NK_ASSERT(buffer); - if (!buffer) return 0; - return buffer->memory.ptr; -} - -NK_API nk_size -nk_buffer_total(struct nk_buffer *buffer) -{ - NK_ASSERT(buffer); - if (!buffer) return 0; - return buffer->memory.size; -} - -/* - * ============================================================== - * - * STRING - * - * =============================================================== - */ -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API void -nk_str_init_default(struct nk_str *str) -{ - struct nk_allocator alloc; - alloc.userdata.ptr = 0; - alloc.alloc = nk_malloc; - alloc.free = nk_mfree; - nk_buffer_init(&str->buffer, &alloc, 32); - str->len = 0; -} -#endif - -NK_API void -nk_str_init(struct nk_str *str, const struct nk_allocator *alloc, nk_size size) -{ - nk_buffer_init(&str->buffer, alloc, size); - str->len = 0; -} - -NK_API void -nk_str_init_fixed(struct nk_str *str, void *memory, nk_size size) -{ - nk_buffer_init_fixed(&str->buffer, memory, size); - str->len = 0; -} - -NK_API int -nk_str_append_text_char(struct nk_str *s, const char *str, int len) -{ - char *mem; - NK_ASSERT(s); - NK_ASSERT(str); - if (!s || !str || !len) return 0; - mem = (char*)nk_buffer_alloc(&s->buffer, NK_BUFFER_FRONT, (nk_size)len * sizeof(char), 0); - if (!mem) return 0; - NK_MEMCPY(mem, str, (nk_size)len * sizeof(char)); - s->len += nk_utf_len(str, len); - return len; -} - -NK_API int -nk_str_append_str_char(struct nk_str *s, const char *str) -{ - return nk_str_append_text_char(s, str, nk_strlen(str)); -} - -NK_API int -nk_str_append_text_utf8(struct nk_str *str, const char *text, int len) -{ - int i = 0; - int byte_len = 0; - nk_rune unicode; - if (!str || !text || !len) return 0; - for (i = 0; i < len; ++i) - byte_len += nk_utf_decode(text+byte_len, &unicode, 4); - nk_str_append_text_char(str, text, byte_len); - return len; -} - -NK_API int -nk_str_append_str_utf8(struct nk_str *str, const char *text) -{ - int runes = 0; - int byte_len = 0; - int num_runes = 0; - int glyph_len = 0; - nk_rune unicode; - if (!str || !text) return 0; - - glyph_len = byte_len = nk_utf_decode(text+byte_len, &unicode, 4); - while (unicode != '\0' && glyph_len) { - glyph_len = nk_utf_decode(text+byte_len, &unicode, 4); - byte_len += glyph_len; - num_runes++; - } - nk_str_append_text_char(str, text, byte_len); - return runes; -} - -NK_API int -nk_str_append_text_runes(struct nk_str *str, const nk_rune *text, int len) -{ - int i = 0; - int byte_len = 0; - nk_glyph glyph; - - NK_ASSERT(str); - if (!str || !text || !len) return 0; - for (i = 0; i < len; ++i) { - byte_len = nk_utf_encode(text[i], glyph, NK_UTF_SIZE); - if (!byte_len) break; - nk_str_append_text_char(str, glyph, byte_len); - } - return len; -} - -NK_API int -nk_str_append_str_runes(struct nk_str *str, const nk_rune *runes) -{ - int i = 0; - nk_glyph glyph; - int byte_len; - NK_ASSERT(str); - if (!str || !runes) return 0; - while (runes[i] != '\0') { - byte_len = nk_utf_encode(runes[i], glyph, NK_UTF_SIZE); - nk_str_append_text_char(str, glyph, byte_len); - i++; - } - return i; -} - -NK_API int -nk_str_insert_at_char(struct nk_str *s, int pos, const char *str, int len) -{ - int i; - void *mem; - char *src; - char *dst; - - int copylen; - NK_ASSERT(s); - NK_ASSERT(str); - NK_ASSERT(len >= 0); - if (!s || !str || !len || (nk_size)pos > s->buffer.allocated) return 0; - if ((s->buffer.allocated + (nk_size)len >= s->buffer.memory.size) && - (s->buffer.type == NK_BUFFER_FIXED)) return 0; - - copylen = (int)s->buffer.allocated - pos; - if (!copylen) { - nk_str_append_text_char(s, str, len); - return 1; - } - mem = nk_buffer_alloc(&s->buffer, NK_BUFFER_FRONT, (nk_size)len * sizeof(char), 0); - if (!mem) return 0; - - /* memmove */ - NK_ASSERT(((int)pos + (int)len + ((int)copylen - 1)) >= 0); - NK_ASSERT(((int)pos + ((int)copylen - 1)) >= 0); - dst = nk_ptr_add(char, s->buffer.memory.ptr, pos + len + (copylen - 1)); - src = nk_ptr_add(char, s->buffer.memory.ptr, pos + (copylen-1)); - for (i = 0; i < copylen; ++i) *dst-- = *src--; - mem = nk_ptr_add(void, s->buffer.memory.ptr, pos); - NK_MEMCPY(mem, str, (nk_size)len * sizeof(char)); - s->len = nk_utf_len((char *)s->buffer.memory.ptr, (int)s->buffer.allocated); - return 1; -} - -NK_API int -nk_str_insert_at_rune(struct nk_str *str, int pos, const char *cstr, int len) -{ - int glyph_len; - nk_rune unicode; - const char *begin; - const char *buffer; - - NK_ASSERT(str); - NK_ASSERT(cstr); - NK_ASSERT(len); - if (!str || !cstr || !len) return 0; - begin = nk_str_at_rune(str, pos, &unicode, &glyph_len); - buffer = nk_str_get_const(str); - if (!begin) return 0; - return nk_str_insert_text_char(str, (int)(begin - buffer), cstr, len); -} - -NK_API int nk_str_insert_text_char(struct nk_str *str, int pos, const char *text, int len) -{return nk_str_insert_at_char(str, pos, text, len);} - -NK_API int nk_str_insert_str_char(struct nk_str *str, int pos, const char *text) -{return nk_str_insert_at_char(str, pos, text, nk_strlen(text));} - -NK_API int -nk_str_insert_text_utf8(struct nk_str *str, int pos, const char *text, int len) -{ - int i = 0; - int byte_len = 0; - nk_rune unicode; - - NK_ASSERT(str); - NK_ASSERT(text); - if (!str || !text || !len) return 0; - for (i = 0; i < len; ++i) - byte_len += nk_utf_decode(text+byte_len, &unicode, 4); - nk_str_insert_at_rune(str, pos, text, byte_len); - return len; -} - -NK_API int -nk_str_insert_str_utf8(struct nk_str *str, int pos, const char *text) -{ - int runes = 0; - int byte_len = 0; - int num_runes = 0; - int glyph_len = 0; - nk_rune unicode; - if (!str || !text) return 0; - - glyph_len = byte_len = nk_utf_decode(text+byte_len, &unicode, 4); - while (unicode != '\0' && glyph_len) { - glyph_len = nk_utf_decode(text+byte_len, &unicode, 4); - byte_len += glyph_len; - num_runes++; - } - nk_str_insert_at_rune(str, pos, text, byte_len); - return runes; -} - -NK_API int -nk_str_insert_text_runes(struct nk_str *str, int pos, const nk_rune *runes, int len) -{ - int i = 0; - int byte_len = 0; - nk_glyph glyph; - - NK_ASSERT(str); - if (!str || !runes || !len) return 0; - for (i = 0; i < len; ++i) { - byte_len = nk_utf_encode(runes[i], glyph, NK_UTF_SIZE); - if (!byte_len) break; - nk_str_insert_at_rune(str, pos+i, glyph, byte_len); - } - return len; -} - -NK_API int -nk_str_insert_str_runes(struct nk_str *str, int pos, const nk_rune *runes) -{ - int i = 0; - nk_glyph glyph; - int byte_len; - NK_ASSERT(str); - if (!str || !runes) return 0; - while (runes[i] != '\0') { - byte_len = nk_utf_encode(runes[i], glyph, NK_UTF_SIZE); - nk_str_insert_at_rune(str, pos+i, glyph, byte_len); - i++; - } - return i; -} - -NK_API void -nk_str_remove_chars(struct nk_str *s, int len) -{ - NK_ASSERT(s); - NK_ASSERT(len >= 0); - if (!s || len < 0 || (nk_size)len > s->buffer.allocated) return; - NK_ASSERT(((int)s->buffer.allocated - (int)len) >= 0); - s->buffer.allocated -= (nk_size)len; - s->len = nk_utf_len((char *)s->buffer.memory.ptr, (int)s->buffer.allocated); -} - -NK_API void -nk_str_remove_runes(struct nk_str *str, int len) -{ - int index; - const char *begin; - const char *end; - nk_rune unicode; - - NK_ASSERT(str); - NK_ASSERT(len >= 0); - if (!str || len < 0) return; - if (len >= str->len) { - str->len = 0; - return; - } - - index = str->len - len; - begin = nk_str_at_rune(str, index, &unicode, &len); - end = (const char*)str->buffer.memory.ptr + str->buffer.allocated; - nk_str_remove_chars(str, (int)(end-begin)+1); -} - -NK_API void -nk_str_delete_chars(struct nk_str *s, int pos, int len) -{ - NK_ASSERT(s); - if (!s || !len || (nk_size)pos > s->buffer.allocated || - (nk_size)(pos + len) > s->buffer.allocated) return; - - if ((nk_size)(pos + len) < s->buffer.allocated) { - /* memmove */ - char *dst = nk_ptr_add(char, s->buffer.memory.ptr, pos); - char *src = nk_ptr_add(char, s->buffer.memory.ptr, pos + len); - NK_MEMCPY(dst, src, s->buffer.allocated - (nk_size)(pos + len)); - NK_ASSERT(((int)s->buffer.allocated - (int)len) >= 0); - s->buffer.allocated -= (nk_size)len; - } else nk_str_remove_chars(s, len); - s->len = nk_utf_len((char *)s->buffer.memory.ptr, (int)s->buffer.allocated); -} - -NK_API void -nk_str_delete_runes(struct nk_str *s, int pos, int len) -{ - char *temp; - nk_rune unicode; - char *begin; - char *end; - int unused; - - NK_ASSERT(s); - NK_ASSERT(s->len >= pos + len); - if (s->len < pos + len) - len = NK_CLAMP(0, (s->len - pos), s->len); - if (!len) return; - - temp = (char *)s->buffer.memory.ptr; - begin = nk_str_at_rune(s, pos, &unicode, &unused); - if (!begin) return; - s->buffer.memory.ptr = begin; - end = nk_str_at_rune(s, len, &unicode, &unused); - s->buffer.memory.ptr = temp; - if (!end) return; - nk_str_delete_chars(s, (int)(begin - temp), (int)(end - begin)); -} - -NK_API char* -nk_str_at_char(struct nk_str *s, int pos) -{ - NK_ASSERT(s); - if (!s || pos > (int)s->buffer.allocated) return 0; - return nk_ptr_add(char, s->buffer.memory.ptr, pos); -} - -NK_API char* -nk_str_at_rune(struct nk_str *str, int pos, nk_rune *unicode, int *len) -{ - int i = 0; - int src_len = 0; - int glyph_len = 0; - char *text; - int text_len; - - NK_ASSERT(str); - NK_ASSERT(unicode); - NK_ASSERT(len); - - if (!str || !unicode || !len) return 0; - if (pos < 0) { - *unicode = 0; - *len = 0; - return 0; - } - - text = (char*)str->buffer.memory.ptr; - text_len = (int)str->buffer.allocated; - glyph_len = nk_utf_decode(text, unicode, text_len); - while (glyph_len) { - if (i == pos) { - *len = glyph_len; - break; - } - - i+= glyph_len; - src_len = src_len + glyph_len; - glyph_len = nk_utf_decode(text + src_len, unicode, text_len - src_len); - } - if (i != pos) return 0; - return text + src_len; -} - -NK_API const char* -nk_str_at_char_const(const struct nk_str *s, int pos) -{ - NK_ASSERT(s); - if (!s || pos > (int)s->buffer.allocated) return 0; - return nk_ptr_add(char, s->buffer.memory.ptr, pos); -} - -NK_API const char* -nk_str_at_const(const struct nk_str *str, int pos, nk_rune *unicode, int *len) -{ - int i = 0; - int src_len = 0; - int glyph_len = 0; - char *text; - int text_len; - - NK_ASSERT(str); - NK_ASSERT(unicode); - NK_ASSERT(len); - - if (!str || !unicode || !len) return 0; - if (pos < 0) { - *unicode = 0; - *len = 0; - return 0; - } - - text = (char*)str->buffer.memory.ptr; - text_len = (int)str->buffer.allocated; - glyph_len = nk_utf_decode(text, unicode, text_len); - while (glyph_len) { - if (i == pos) { - *len = glyph_len; - break; - } - - i++; - src_len = src_len + glyph_len; - glyph_len = nk_utf_decode(text + src_len, unicode, text_len - src_len); - } - if (i != pos) return 0; - return text + src_len; -} - -NK_API nk_rune -nk_str_rune_at(const struct nk_str *str, int pos) -{ - int len; - nk_rune unicode = 0; - nk_str_at_const(str, pos, &unicode, &len); - return unicode; -} - -NK_API char* -nk_str_get(struct nk_str *s) -{ - NK_ASSERT(s); - if (!s || !s->len || !s->buffer.allocated) return 0; - return (char*)s->buffer.memory.ptr; -} - -NK_API const char* -nk_str_get_const(const struct nk_str *s) -{ - NK_ASSERT(s); - if (!s || !s->len || !s->buffer.allocated) return 0; - return (const char*)s->buffer.memory.ptr; -} - -NK_API int -nk_str_len(struct nk_str *s) -{ - NK_ASSERT(s); - if (!s || !s->len || !s->buffer.allocated) return 0; - return s->len; -} - -NK_API int -nk_str_len_char(struct nk_str *s) -{ - NK_ASSERT(s); - if (!s || !s->len || !s->buffer.allocated) return 0; - return (int)s->buffer.allocated; -} - -NK_API void -nk_str_clear(struct nk_str *str) -{ - NK_ASSERT(str); - nk_buffer_clear(&str->buffer); - str->len = 0; -} - -NK_API void -nk_str_free(struct nk_str *str) -{ - NK_ASSERT(str); - nk_buffer_free(&str->buffer); - str->len = 0; -} - -/* - * ============================================================== - * - * Command buffer - * - * =============================================================== -*/ -NK_INTERN void -nk_command_buffer_init(struct nk_command_buffer *cmdbuf, - struct nk_buffer *buffer, enum nk_command_clipping clip) -{ - NK_ASSERT(cmdbuf); - NK_ASSERT(buffer); - if (!cmdbuf || !buffer) return; - cmdbuf->base = buffer; - cmdbuf->use_clipping = clip; - cmdbuf->begin = buffer->allocated; - cmdbuf->end = buffer->allocated; - cmdbuf->last = buffer->allocated; -} - -NK_INTERN void -nk_command_buffer_reset(struct nk_command_buffer *buffer) -{ - NK_ASSERT(buffer); - if (!buffer) return; - buffer->begin = 0; - buffer->end = 0; - buffer->last = 0; - buffer->clip = nk_null_rect; -#ifdef NK_INCLUDE_COMMAND_USERDATA - buffer->userdata.ptr = 0; -#endif -} - -NK_INTERN void* -nk_command_buffer_push(struct nk_command_buffer* b, - enum nk_command_type t, nk_size size) -{ - NK_STORAGE const nk_size align = NK_ALIGNOF(struct nk_command); - struct nk_command *cmd; - nk_size alignment; - void *unaligned; - void *memory; - - NK_ASSERT(b); - NK_ASSERT(b->base); - if (!b) return 0; - - cmd = (struct nk_command*)nk_buffer_alloc(b->base,NK_BUFFER_FRONT,size,align); - if (!cmd) return 0; - - /* make sure the offset to the next command is aligned */ - b->last = (nk_size)((nk_byte*)cmd - (nk_byte*)b->base->memory.ptr); - unaligned = (nk_byte*)cmd + size; - memory = NK_ALIGN_PTR(unaligned, align); - alignment = (nk_size)((nk_byte*)memory - (nk_byte*)unaligned); - - cmd->type = t; - cmd->next = b->base->allocated + alignment; -#ifdef NK_INCLUDE_COMMAND_USERDATA - cmd->userdata = b->userdata; -#endif - b->end = cmd->next; - return cmd; -} - -NK_API void -nk_push_scissor(struct nk_command_buffer *b, struct nk_rect r) -{ - struct nk_command_scissor *cmd; - NK_ASSERT(b); - if (!b) return; - - b->clip.x = r.x; - b->clip.y = r.y; - b->clip.w = r.w; - b->clip.h = r.h; - cmd = (struct nk_command_scissor*) - nk_command_buffer_push(b, NK_COMMAND_SCISSOR, sizeof(*cmd)); - - if (!cmd) return; - cmd->x = (short)r.x; - cmd->y = (short)r.y; - cmd->w = (unsigned short)NK_MAX(0, r.w); - cmd->h = (unsigned short)NK_MAX(0, r.h); -} - -NK_API void -nk_stroke_line(struct nk_command_buffer *b, float x0, float y0, - float x1, float y1, float line_thickness, struct nk_color c) -{ - struct nk_command_line *cmd; - NK_ASSERT(b); - if (!b) return; - cmd = (struct nk_command_line*) - nk_command_buffer_push(b, NK_COMMAND_LINE, sizeof(*cmd)); - if (!cmd) return; - cmd->line_thickness = (unsigned short)line_thickness; - cmd->begin.x = (short)x0; - cmd->begin.y = (short)y0; - cmd->end.x = (short)x1; - cmd->end.y = (short)y1; - cmd->color = c; -} - -NK_API void -nk_stroke_curve(struct nk_command_buffer *b, float ax, float ay, - float ctrl0x, float ctrl0y, float ctrl1x, float ctrl1y, - float bx, float by, float line_thickness, struct nk_color col) -{ - struct nk_command_curve *cmd; - NK_ASSERT(b); - if (!b || col.a == 0) return; - - cmd = (struct nk_command_curve*) - nk_command_buffer_push(b, NK_COMMAND_CURVE, sizeof(*cmd)); - if (!cmd) return; - cmd->line_thickness = (unsigned short)line_thickness; - cmd->begin.x = (short)ax; - cmd->begin.y = (short)ay; - cmd->ctrl[0].x = (short)ctrl0x; - cmd->ctrl[0].y = (short)ctrl0y; - cmd->ctrl[1].x = (short)ctrl1x; - cmd->ctrl[1].y = (short)ctrl1y; - cmd->end.x = (short)bx; - cmd->end.y = (short)by; - cmd->color = col; -} - -NK_API void -nk_stroke_rect(struct nk_command_buffer *b, struct nk_rect rect, - float rounding, float line_thickness, struct nk_color c) -{ - struct nk_command_rect *cmd; - NK_ASSERT(b); - if (!b || c.a == 0) return; - if (b->use_clipping) { - const struct nk_rect *clip = &b->clip; - if (!NK_INTERSECT(rect.x, rect.y, rect.w, rect.h, - clip->x, clip->y, clip->w, clip->h)) return; - } - - cmd = (struct nk_command_rect*) - nk_command_buffer_push(b, NK_COMMAND_RECT, sizeof(*cmd)); - if (!cmd) return; - cmd->rounding = (unsigned short)rounding; - cmd->line_thickness = (unsigned short)line_thickness; - cmd->x = (short)rect.x; - cmd->y = (short)rect.y; - cmd->w = (unsigned short)NK_MAX(0, rect.w); - cmd->h = (unsigned short)NK_MAX(0, rect.h); - cmd->color = c; -} - -NK_API void -nk_fill_rect(struct nk_command_buffer *b, struct nk_rect rect, - float rounding, struct nk_color c) -{ - struct nk_command_rect_filled *cmd; - NK_ASSERT(b); - if (!b || c.a == 0) return; - if (b->use_clipping) { - const struct nk_rect *clip = &b->clip; - if (!NK_INTERSECT(rect.x, rect.y, rect.w, rect.h, - clip->x, clip->y, clip->w, clip->h)) return; - } - - cmd = (struct nk_command_rect_filled*) - nk_command_buffer_push(b, NK_COMMAND_RECT_FILLED, sizeof(*cmd)); - if (!cmd) return; - cmd->rounding = (unsigned short)rounding; - cmd->x = (short)rect.x; - cmd->y = (short)rect.y; - cmd->w = (unsigned short)NK_MAX(0, rect.w); - cmd->h = (unsigned short)NK_MAX(0, rect.h); - cmd->color = c; -} - -NK_API void -nk_fill_rect_multi_color(struct nk_command_buffer *b, struct nk_rect rect, - struct nk_color left, struct nk_color top, struct nk_color right, - struct nk_color bottom) -{ - struct nk_command_rect_multi_color *cmd; - NK_ASSERT(b); - if (!b) return; - if (b->use_clipping) { - const struct nk_rect *clip = &b->clip; - if (!NK_INTERSECT(rect.x, rect.y, rect.w, rect.h, - clip->x, clip->y, clip->w, clip->h)) return; - } - - cmd = (struct nk_command_rect_multi_color*) - nk_command_buffer_push(b, NK_COMMAND_RECT_MULTI_COLOR, sizeof(*cmd)); - if (!cmd) return; - cmd->x = (short)rect.x; - cmd->y = (short)rect.y; - cmd->w = (unsigned short)NK_MAX(0, rect.w); - cmd->h = (unsigned short)NK_MAX(0, rect.h); - cmd->left = left; - cmd->top = top; - cmd->right = right; - cmd->bottom = bottom; -} - -NK_API void -nk_stroke_circle(struct nk_command_buffer *b, struct nk_rect r, - float line_thickness, struct nk_color c) -{ - struct nk_command_circle *cmd; - if (!b || c.a == 0) return; - if (b->use_clipping) { - const struct nk_rect *clip = &b->clip; - if (!NK_INTERSECT(r.x, r.y, r.w, r.h, clip->x, clip->y, clip->w, clip->h)) - return; - } - - cmd = (struct nk_command_circle*) - nk_command_buffer_push(b, NK_COMMAND_CIRCLE, sizeof(*cmd)); - if (!cmd) return; - cmd->line_thickness = (unsigned short)line_thickness; - cmd->x = (short)r.x; - cmd->y = (short)r.y; - cmd->w = (unsigned short)NK_MAX(r.w, 0); - cmd->h = (unsigned short)NK_MAX(r.h, 0); - cmd->color = c; -} - -NK_API void -nk_fill_circle(struct nk_command_buffer *b, struct nk_rect r, struct nk_color c) -{ - struct nk_command_circle_filled *cmd; - NK_ASSERT(b); - if (!b || c.a == 0) return; - if (b->use_clipping) { - const struct nk_rect *clip = &b->clip; - if (!NK_INTERSECT(r.x, r.y, r.w, r.h, clip->x, clip->y, clip->w, clip->h)) - return; - } - - cmd = (struct nk_command_circle_filled*) - nk_command_buffer_push(b, NK_COMMAND_CIRCLE_FILLED, sizeof(*cmd)); - if (!cmd) return; - cmd->x = (short)r.x; - cmd->y = (short)r.y; - cmd->w = (unsigned short)NK_MAX(r.w, 0); - cmd->h = (unsigned short)NK_MAX(r.h, 0); - cmd->color = c; -} - -NK_API void -nk_stroke_arc(struct nk_command_buffer *b, float cx, float cy, float radius, - float a_min, float a_max, float line_thickness, struct nk_color c) -{ - struct nk_command_arc *cmd; - if (!b || c.a == 0) return; - cmd = (struct nk_command_arc*) - nk_command_buffer_push(b, NK_COMMAND_ARC, sizeof(*cmd)); - if (!cmd) return; - cmd->line_thickness = (unsigned short)line_thickness; - cmd->cx = (short)cx; - cmd->cy = (short)cy; - cmd->r = (unsigned short)radius; - cmd->a[0] = a_min; - cmd->a[1] = a_max; - cmd->color = c; -} - -NK_API void -nk_fill_arc(struct nk_command_buffer *b, float cx, float cy, float radius, - float a_min, float a_max, struct nk_color c) -{ - struct nk_command_arc_filled *cmd; - NK_ASSERT(b); - if (!b || c.a == 0) return; - cmd = (struct nk_command_arc_filled*) - nk_command_buffer_push(b, NK_COMMAND_ARC_FILLED, sizeof(*cmd)); - if (!cmd) return; - cmd->cx = (short)cx; - cmd->cy = (short)cy; - cmd->r = (unsigned short)radius; - cmd->a[0] = a_min; - cmd->a[1] = a_max; - cmd->color = c; -} - -NK_API void -nk_stroke_triangle(struct nk_command_buffer *b, float x0, float y0, float x1, - float y1, float x2, float y2, float line_thickness, struct nk_color c) -{ - struct nk_command_triangle *cmd; - NK_ASSERT(b); - if (!b || c.a == 0) return; - if (b->use_clipping) { - const struct nk_rect *clip = &b->clip; - if (!NK_INBOX(x0, y0, clip->x, clip->y, clip->w, clip->h) || - !NK_INBOX(x1, y1, clip->x, clip->y, clip->w, clip->h) || - !NK_INBOX(x2, y2, clip->x, clip->y, clip->w, clip->h)) - return; - } - - cmd = (struct nk_command_triangle*) - nk_command_buffer_push(b, NK_COMMAND_TRIANGLE, sizeof(*cmd)); - if (!cmd) return; - cmd->line_thickness = (unsigned short)line_thickness; - cmd->a.x = (short)x0; - cmd->a.y = (short)y0; - cmd->b.x = (short)x1; - cmd->b.y = (short)y1; - cmd->c.x = (short)x2; - cmd->c.y = (short)y2; - cmd->color = c; -} - -NK_API void -nk_fill_triangle(struct nk_command_buffer *b, float x0, float y0, float x1, - float y1, float x2, float y2, struct nk_color c) -{ - struct nk_command_triangle_filled *cmd; - NK_ASSERT(b); - if (!b || c.a == 0) return; - if (!b) return; - if (b->use_clipping) { - const struct nk_rect *clip = &b->clip; - if (!NK_INBOX(x0, y0, clip->x, clip->y, clip->w, clip->h) || - !NK_INBOX(x1, y1, clip->x, clip->y, clip->w, clip->h) || - !NK_INBOX(x2, y2, clip->x, clip->y, clip->w, clip->h)) - return; - } - - cmd = (struct nk_command_triangle_filled*) - nk_command_buffer_push(b, NK_COMMAND_TRIANGLE_FILLED, sizeof(*cmd)); - if (!cmd) return; - cmd->a.x = (short)x0; - cmd->a.y = (short)y0; - cmd->b.x = (short)x1; - cmd->b.y = (short)y1; - cmd->c.x = (short)x2; - cmd->c.y = (short)y2; - cmd->color = c; -} - -NK_API void -nk_stroke_polygon(struct nk_command_buffer *b, float *points, int point_count, - float line_thickness, struct nk_color col) -{ - int i; - nk_size size = 0; - struct nk_command_polygon *cmd; - - NK_ASSERT(b); - if (!b || col.a == 0) return; - size = sizeof(*cmd) + sizeof(short) * 2 * (nk_size)point_count; - cmd = (struct nk_command_polygon*) nk_command_buffer_push(b, NK_COMMAND_POLYGON, size); - if (!cmd) return; - cmd->line_thickness = (unsigned short)line_thickness; - cmd->color = col; - cmd->point_count = (unsigned short)point_count; - for (i = 0; i < point_count; ++i) { - cmd->points[i].x = (short)points[i*2]; - cmd->points[i].y = (short)points[i*2+1]; - } -} - -NK_API void -nk_fill_polygon(struct nk_command_buffer *b, float *points, int point_count, - struct nk_color col) -{ - int i; - nk_size size = 0; - struct nk_command_polygon_filled *cmd; - - NK_ASSERT(b); - if (!b || col.a == 0) return; - size = sizeof(*cmd) + sizeof(short) * 2 * (nk_size)point_count; - cmd = (struct nk_command_polygon_filled*) - nk_command_buffer_push(b, NK_COMMAND_POLYGON_FILLED, size); - if (!cmd) return; - cmd->color = col; - cmd->point_count = (unsigned short)point_count; - for (i = 0; i < point_count; ++i) { - cmd->points[i].x = (short)points[i*2]; - cmd->points[i].y = (short)points[i*2+1]; - } -} - -NK_API void -nk_stroke_polyline(struct nk_command_buffer *b, float *points, int point_count, - float line_thickness, struct nk_color col) -{ - int i; - nk_size size = 0; - struct nk_command_polyline *cmd; - - NK_ASSERT(b); - if (!b || col.a == 0) return; - size = sizeof(*cmd) + sizeof(short) * 2 * (nk_size)point_count; - cmd = (struct nk_command_polyline*) nk_command_buffer_push(b, NK_COMMAND_POLYLINE, size); - if (!cmd) return; - cmd->color = col; - cmd->point_count = (unsigned short)point_count; - cmd->line_thickness = (unsigned short)line_thickness; - for (i = 0; i < point_count; ++i) { - cmd->points[i].x = (short)points[i*2]; - cmd->points[i].y = (short)points[i*2+1]; - } -} - -NK_API void -nk_draw_image(struct nk_command_buffer *b, struct nk_rect r, - const struct nk_image *img) -{ - struct nk_command_image *cmd; - NK_ASSERT(b); - if (!b) return; - if (b->use_clipping) { - const struct nk_rect *c = &b->clip; - if (!NK_INTERSECT(r.x, r.y, r.w, r.h, c->x, c->y, c->w, c->h)) - return; - } - - cmd = (struct nk_command_image*) - nk_command_buffer_push(b, NK_COMMAND_IMAGE, sizeof(*cmd)); - if (!cmd) return; - cmd->x = (short)r.x; - cmd->y = (short)r.y; - cmd->w = (unsigned short)NK_MAX(0, r.w); - cmd->h = (unsigned short)NK_MAX(0, r.h); - cmd->img = *img; -} - -NK_API void -nk_draw_text(struct nk_command_buffer *b, struct nk_rect r, - const char *string, int length, const struct nk_user_font *font, - struct nk_color bg, struct nk_color fg) -{ - float text_width = 0; - struct nk_command_text *cmd; - - NK_ASSERT(b); - NK_ASSERT(font); - if (!b || !string || !length || (bg.a == 0 && fg.a == 0)) return; - if (b->use_clipping) { - const struct nk_rect *c = &b->clip; - if (!NK_INTERSECT(r.x, r.y, r.w, r.h, c->x, c->y, c->w, c->h)) - return; - } - - /* make sure text fits inside bounds */ - text_width = font->width(font->userdata, font->height, string, length); - if (text_width > r.w){ - float txt_width = (float)text_width; - int glyphs = 0; - length = nk_text_clamp(font, string, length, - r.w, &glyphs, &txt_width); - } - - if (!length) return; - cmd = (struct nk_command_text*) - nk_command_buffer_push(b, NK_COMMAND_TEXT, sizeof(*cmd) + (nk_size)(length + 1)); - if (!cmd) return; - cmd->x = (short)r.x; - cmd->y = (short)r.y; - cmd->w = (unsigned short)r.w; - cmd->h = (unsigned short)r.h; - cmd->background = bg; - cmd->foreground = fg; - cmd->font = font; - cmd->length = length; - cmd->height = font->height; - NK_MEMCPY(cmd->string, string, (nk_size)length); - cmd->string[length] = '\0'; -} - -/* ============================================================== - * - * DRAW LIST - * - * ===============================================================*/ -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT -NK_API void -nk_draw_list_init(struct nk_draw_list *list) -{ - nk_size i = 0; - nk_zero(list, sizeof(*list)); - for (i = 0; i < NK_LEN(list->circle_vtx); ++i) { - const float a = ((float)i / (float)NK_LEN(list->circle_vtx)) * 2 * NK_PI; - list->circle_vtx[i].x = (float)NK_COS(a); - list->circle_vtx[i].y = (float)NK_SIN(a); - } -} - -NK_API void -nk_draw_list_setup(struct nk_draw_list *canvas, float global_alpha, - enum nk_anti_aliasing line_AA, enum nk_anti_aliasing shape_AA, - struct nk_draw_null_texture null, struct nk_buffer *cmds, - struct nk_buffer *vertices, struct nk_buffer *elements) -{ - canvas->null = null; - canvas->clip_rect = nk_null_rect; - canvas->vertices = vertices; - canvas->elements = elements; - canvas->buffer = cmds; - canvas->line_AA = line_AA; - canvas->shape_AA = shape_AA; - canvas->global_alpha = global_alpha; -} - -NK_API const struct nk_draw_command* -nk__draw_list_begin(const struct nk_draw_list *canvas, const struct nk_buffer *buffer) -{ - nk_byte *memory; - nk_size offset; - const struct nk_draw_command *cmd; - - NK_ASSERT(buffer); - if (!buffer || !buffer->size || !canvas->cmd_count) - return 0; - - memory = (nk_byte*)buffer->memory.ptr; - offset = buffer->memory.size - canvas->cmd_offset; - cmd = nk_ptr_add(const struct nk_draw_command, memory, offset); - return cmd; -} - -NK_API const struct nk_draw_command* -nk__draw_list_next(const struct nk_draw_command *cmd, - const struct nk_buffer *buffer, const struct nk_draw_list *canvas) -{ - nk_byte *memory; - nk_size size; - nk_size offset; - const struct nk_draw_command *end; - - NK_ASSERT(buffer); - NK_ASSERT(canvas); - if (!cmd || !buffer || !canvas) - return 0; - - memory = (nk_byte*)buffer->memory.ptr; - size = buffer->memory.size; - offset = size - canvas->cmd_offset; - end = nk_ptr_add(const struct nk_draw_command, memory, offset); - end -= (canvas->cmd_count-1); - - if (cmd <= end) return 0; - return (cmd-1); -} - -NK_API void -nk_draw_list_clear(struct nk_draw_list *list) -{ - NK_ASSERT(list); - if (!list) return; - if (list->buffer) - nk_buffer_clear(list->buffer); - if (list->elements) - nk_buffer_clear(list->vertices); - if (list->vertices) - nk_buffer_clear(list->elements); - - list->element_count = 0; - list->vertex_count = 0; - list->cmd_offset = 0; - list->cmd_count = 0; - list->path_count = 0; - list->vertices = 0; - list->elements = 0; - list->clip_rect = nk_null_rect; -} - -NK_INTERN struct nk_vec2* -nk_draw_list_alloc_path(struct nk_draw_list *list, int count) -{ - struct nk_vec2 *points; - NK_STORAGE const nk_size point_align = NK_ALIGNOF(struct nk_vec2); - NK_STORAGE const nk_size point_size = sizeof(struct nk_vec2); - points = (struct nk_vec2*) - nk_buffer_alloc(list->buffer, NK_BUFFER_FRONT, - point_size * (nk_size)count, point_align); - - if (!points) return 0; - if (!list->path_offset) { - void *memory = nk_buffer_memory(list->buffer); - list->path_offset = (unsigned int)((nk_byte*)points - (nk_byte*)memory); - } - list->path_count += (unsigned int)count; - return points; -} - -NK_INTERN struct nk_vec2 -nk_draw_list_path_last(struct nk_draw_list *list) -{ - void *memory; - struct nk_vec2 *point; - NK_ASSERT(list->path_count); - memory = nk_buffer_memory(list->buffer); - point = nk_ptr_add(struct nk_vec2, memory, list->path_offset); - point += (list->path_count-1); - return *point; -} - -NK_INTERN struct nk_draw_command* -nk_draw_list_push_command(struct nk_draw_list *list, struct nk_rect clip, - nk_handle texture) -{ - NK_STORAGE const nk_size cmd_align = NK_ALIGNOF(struct nk_draw_command); - NK_STORAGE const nk_size cmd_size = sizeof(struct nk_draw_command); - struct nk_draw_command *cmd; - - NK_ASSERT(list); - cmd = (struct nk_draw_command*) - nk_buffer_alloc(list->buffer, NK_BUFFER_BACK, cmd_size, cmd_align); - - if (!cmd) return 0; - if (!list->cmd_count) { - nk_byte *memory = (nk_byte*)nk_buffer_memory(list->buffer); - nk_size total = nk_buffer_total(list->buffer); - memory = nk_ptr_add(nk_byte, memory, total); - list->cmd_offset = (nk_size)(memory - (nk_byte*)cmd); - } - - cmd->elem_count = 0; - cmd->clip_rect = clip; - cmd->texture = texture; - - list->cmd_count++; - list->clip_rect = clip; - return cmd; -} - -NK_INTERN struct nk_draw_command* -nk_draw_list_command_last(struct nk_draw_list *list) -{ - void *memory; - nk_size size; - struct nk_draw_command *cmd; - NK_ASSERT(list->cmd_count); - - memory = nk_buffer_memory(list->buffer); - size = nk_buffer_total(list->buffer); - cmd = nk_ptr_add(struct nk_draw_command, memory, size - list->cmd_offset); - return (cmd - (list->cmd_count-1)); -} - -NK_INTERN void -nk_draw_list_add_clip(struct nk_draw_list *list, struct nk_rect rect) -{ - NK_ASSERT(list); - if (!list) return; - if (!list->cmd_count) { - nk_draw_list_push_command(list, rect, list->null.texture); - } else { - struct nk_draw_command *prev = nk_draw_list_command_last(list); - if (prev->elem_count == 0) - prev->clip_rect = rect; - nk_draw_list_push_command(list, rect, prev->texture); - } -} - -NK_INTERN void -nk_draw_list_push_image(struct nk_draw_list *list, nk_handle texture) -{ - NK_ASSERT(list); - if (!list) return; - if (!list->cmd_count) { - nk_draw_list_push_command(list, nk_null_rect, list->null.texture); - } else { - struct nk_draw_command *prev = nk_draw_list_command_last(list); - if (prev->elem_count == 0) - prev->texture = texture; - else if (prev->texture.id != texture.id) - nk_draw_list_push_command(list, prev->clip_rect, texture); - } -} - -#ifdef NK_INCLUDE_COMMAND_USERDATA -NK_API void -nk_draw_list_push_userdata(struct nk_draw_list *list, nk_handle userdata) -{ - NK_ASSERT(list); - if (!list) return; - if (!list->cmd_count) { - struct nk_draw_command *prev; - nk_draw_list_push_command(list, nk_null_rect, list->null.texture); - prev = nk_draw_list_command_last(list); - prev->userdata = userdata; - } else { - struct nk_draw_command *prev = nk_draw_list_command_last(list); - if (prev->elem_count == 0) { - prev->userdata = userdata; - } else if (prev->userdata.ptr != userdata.ptr) { - nk_draw_list_push_command(list, prev->clip_rect, prev->texture); - prev = nk_draw_list_command_last(list); - prev->userdata = userdata; - } - } -} -#endif - -NK_INTERN struct nk_draw_vertex* -nk_draw_list_alloc_vertices(struct nk_draw_list *list, nk_size count) -{ - struct nk_draw_vertex *vtx; - NK_STORAGE const nk_size vtx_align = NK_ALIGNOF(struct nk_draw_vertex); - NK_STORAGE const nk_size vtx_size = sizeof(struct nk_draw_vertex); - NK_ASSERT(list); - if (!list) return 0; - - vtx = (struct nk_draw_vertex*) - nk_buffer_alloc(list->vertices, NK_BUFFER_FRONT, vtx_size*count, vtx_align); - if (!vtx) return 0; - list->vertex_count += (unsigned int)count; - return vtx; -} - -NK_INTERN nk_draw_index* -nk_draw_list_alloc_elements(struct nk_draw_list *list, nk_size count) -{ - nk_draw_index *ids; - struct nk_draw_command *cmd; - NK_STORAGE const nk_size elem_align = NK_ALIGNOF(nk_draw_index); - NK_STORAGE const nk_size elem_size = sizeof(nk_draw_index); - NK_ASSERT(list); - if (!list) return 0; - - ids = (nk_draw_index*) - nk_buffer_alloc(list->elements, NK_BUFFER_FRONT, elem_size*count, elem_align); - if (!ids) return 0; - cmd = nk_draw_list_command_last(list); - list->element_count += (unsigned int)count; - cmd->elem_count += (unsigned int)count; - return ids; -} - -NK_INTERN struct nk_draw_vertex -nk_draw_vertex(struct nk_vec2 pos, struct nk_vec2 uv, nk_draw_vertex_color col) -{ - struct nk_draw_vertex out; - out.position = pos; - out.uv = uv; - out.col = col; - return out; -} - -NK_API void -nk_draw_list_stroke_poly_line(struct nk_draw_list *list, const struct nk_vec2 *points, - const unsigned int points_count, struct nk_color color, enum nk_draw_list_stroke closed, - float thickness, enum nk_anti_aliasing aliasing) -{ - nk_size count; - int thick_line; - nk_draw_vertex_color col; - NK_ASSERT(list); - if (!list || points_count < 2) return; - - color.a = (nk_byte)((float)color.a * list->global_alpha); - col = nk_color_u32(color); - count = points_count; - if (!closed) count = points_count-1; - thick_line = thickness > 1.0f; - -#ifdef NK_INCLUDE_COMMAND_USERDATA - nk_draw_list_push_userdata(list, list->userdata); -#endif - - if (aliasing == NK_ANTI_ALIASING_ON) { - /* ANTI-ALIASED STROKE */ - const float AA_SIZE = 1.0f; - NK_STORAGE const nk_size pnt_align = NK_ALIGNOF(struct nk_vec2); - NK_STORAGE const nk_size pnt_size = sizeof(struct nk_vec2); - const nk_draw_vertex_color col_trans = col & 0x00ffffff; - - /* allocate vertices and elements */ - nk_size i1 = 0; - nk_size index = list->vertex_count; - const nk_size idx_count = (thick_line) ? (count * 18) : (count * 12); - const nk_size vtx_count = (thick_line) ? (points_count * 4): (points_count *3); - struct nk_draw_vertex *vtx = nk_draw_list_alloc_vertices(list, vtx_count); - nk_draw_index *ids = nk_draw_list_alloc_elements(list, idx_count); - - nk_size size; - struct nk_vec2 *normals, *temp; - if (!vtx || !ids) return; - - /* temporary allocate normals + points */ - nk_buffer_mark(list->vertices, NK_BUFFER_FRONT); - size = pnt_size * ((thick_line) ? 5 : 3) * points_count; - normals = (struct nk_vec2*) - nk_buffer_alloc(list->vertices, NK_BUFFER_FRONT, size, pnt_align); - if (!normals) return; - temp = normals + points_count; - - /* calculate normals */ - for (i1 = 0; i1 < count; ++i1) { - const nk_size i2 = ((i1 + 1) == points_count) ? 0 : (i1 + 1); - struct nk_vec2 diff = nk_vec2_sub(points[i2], points[i1]); - float len; - - /* vec2 inverted length */ - len = nk_vec2_len_sqr(diff); - if (len != 0.0f) - len = nk_inv_sqrt(len); - else len = 1.0f; - - diff = nk_vec2_muls(diff, len); - normals[i1].x = diff.y; - normals[i1].y = -diff.x; - } - - if (!closed) - normals[points_count-1] = normals[points_count-2]; - - if (!thick_line) { - nk_size idx1, i; - if (!closed) { - struct nk_vec2 d; - temp[0] = nk_vec2_add(points[0], nk_vec2_muls(normals[0], AA_SIZE)); - temp[1] = nk_vec2_sub(points[0], nk_vec2_muls(normals[0], AA_SIZE)); - d = nk_vec2_muls(normals[points_count-1], AA_SIZE); - temp[(points_count-1) * 2 + 0] = nk_vec2_add(points[points_count-1], d); - temp[(points_count-1) * 2 + 1] = nk_vec2_sub(points[points_count-1], d); - } - - /* fill elements */ - idx1 = index; - for (i1 = 0; i1 < count; i1++) { - struct nk_vec2 dm; - float dmr2; - nk_size i2 = ((i1 + 1) == points_count) ? 0 : (i1 + 1); - nk_size idx2 = ((i1+1) == points_count) ? index: (idx1 + 3); - - /* average normals */ - dm = nk_vec2_muls(nk_vec2_add(normals[i1], normals[i2]), 0.5f); - dmr2 = dm.x * dm.x + dm.y* dm.y; - if (dmr2 > 0.000001f) { - float scale = 1.0f/dmr2; - scale = NK_MIN(100.0f, scale); - dm = nk_vec2_muls(dm, scale); - } - - dm = nk_vec2_muls(dm, AA_SIZE); - temp[i2*2+0] = nk_vec2_add(points[i2], dm); - temp[i2*2+1] = nk_vec2_sub(points[i2], dm); - - ids[0] = (nk_draw_index)(idx2 + 0); ids[1] = (nk_draw_index)(idx1+0); - ids[2] = (nk_draw_index)(idx1 + 2); ids[3] = (nk_draw_index)(idx1+2); - ids[4] = (nk_draw_index)(idx2 + 2); ids[5] = (nk_draw_index)(idx2+0); - ids[6] = (nk_draw_index)(idx2 + 1); ids[7] = (nk_draw_index)(idx1+1); - ids[8] = (nk_draw_index)(idx1 + 0); ids[9] = (nk_draw_index)(idx1+0); - ids[10]= (nk_draw_index)(idx2 + 0); ids[11]= (nk_draw_index)(idx2+1); - ids += 12; - idx1 = idx2; - } - - /* fill vertices */ - for (i = 0; i < points_count; ++i) { - const struct nk_vec2 uv = list->null.uv; - vtx[0] = nk_draw_vertex(points[i], uv, col); - vtx[1] = nk_draw_vertex(temp[i*2+0], uv, col_trans); - vtx[2] = nk_draw_vertex(temp[i*2+1], uv, col_trans); - vtx += 3; - } - } else { - nk_size idx1, i; - const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f; - if (!closed) { - struct nk_vec2 d1 = nk_vec2_muls(normals[0], half_inner_thickness + AA_SIZE); - struct nk_vec2 d2 = nk_vec2_muls(normals[0], half_inner_thickness); - - temp[0] = nk_vec2_add(points[0], d1); - temp[1] = nk_vec2_add(points[0], d2); - temp[2] = nk_vec2_sub(points[0], d2); - temp[3] = nk_vec2_sub(points[0], d1); - - d1 = nk_vec2_muls(normals[points_count-1], half_inner_thickness + AA_SIZE); - d2 = nk_vec2_muls(normals[points_count-1], half_inner_thickness); - - temp[(points_count-1)*4+0] = nk_vec2_add(points[points_count-1], d1); - temp[(points_count-1)*4+1] = nk_vec2_add(points[points_count-1], d2); - temp[(points_count-1)*4+2] = nk_vec2_sub(points[points_count-1], d2); - temp[(points_count-1)*4+3] = nk_vec2_sub(points[points_count-1], d1); - } - - /* add all elements */ - idx1 = index; - for (i1 = 0; i1 < count; ++i1) { - struct nk_vec2 dm_out, dm_in; - const nk_size i2 = ((i1+1) == points_count) ? 0: (i1 + 1); - nk_size idx2 = ((i1+1) == points_count) ? index: (idx1 + 4); - - /* average normals */ - struct nk_vec2 dm = nk_vec2_muls(nk_vec2_add(normals[i1], normals[i2]), 0.5f); - float dmr2 = dm.x * dm.x + dm.y* dm.y; - if (dmr2 > 0.000001f) { - float scale = 1.0f/dmr2; - scale = NK_MIN(100.0f, scale); - dm = nk_vec2_muls(dm, scale); - } - - dm_out = nk_vec2_muls(dm, ((half_inner_thickness) + AA_SIZE)); - dm_in = nk_vec2_muls(dm, half_inner_thickness); - temp[i2*4+0] = nk_vec2_add(points[i2], dm_out); - temp[i2*4+1] = nk_vec2_add(points[i2], dm_in); - temp[i2*4+2] = nk_vec2_sub(points[i2], dm_in); - temp[i2*4+3] = nk_vec2_sub(points[i2], dm_out); - - /* add indexes */ - ids[0] = (nk_draw_index)(idx2 + 1); ids[1] = (nk_draw_index)(idx1+1); - ids[2] = (nk_draw_index)(idx1 + 2); ids[3] = (nk_draw_index)(idx1+2); - ids[4] = (nk_draw_index)(idx2 + 2); ids[5] = (nk_draw_index)(idx2+1); - ids[6] = (nk_draw_index)(idx2 + 1); ids[7] = (nk_draw_index)(idx1+1); - ids[8] = (nk_draw_index)(idx1 + 0); ids[9] = (nk_draw_index)(idx1+0); - ids[10]= (nk_draw_index)(idx2 + 0); ids[11] = (nk_draw_index)(idx2+1); - ids[12]= (nk_draw_index)(idx2 + 2); ids[13] = (nk_draw_index)(idx1+2); - ids[14]= (nk_draw_index)(idx1 + 3); ids[15] = (nk_draw_index)(idx1+3); - ids[16]= (nk_draw_index)(idx2 + 3); ids[17] = (nk_draw_index)(idx2+2); - ids += 18; - idx1 = idx2; - } - - /* add vertices */ - for (i = 0; i < points_count; ++i) { - const struct nk_vec2 uv = list->null.uv; - vtx[0] = nk_draw_vertex(temp[i*4+0], uv, col_trans); - vtx[1] = nk_draw_vertex(temp[i*4+1], uv, col); - vtx[2] = nk_draw_vertex(temp[i*4+2], uv, col); - vtx[3] = nk_draw_vertex(temp[i*4+3], uv, col_trans); - vtx += 4; - } - } - - /* free temporary normals + points */ - nk_buffer_reset(list->vertices, NK_BUFFER_FRONT); - } else { - /* NON ANTI-ALIASED STROKE */ - nk_size i1 = 0; - nk_size idx = list->vertex_count; - const nk_size idx_count = count * 6; - const nk_size vtx_count = count * 4; - struct nk_draw_vertex *vtx = nk_draw_list_alloc_vertices(list, vtx_count); - nk_draw_index *ids = nk_draw_list_alloc_elements(list, idx_count); - if (!vtx || !ids) return; - - for (i1 = 0; i1 < count; ++i1) { - float dx, dy; - const struct nk_vec2 uv = list->null.uv; - const nk_size i2 = ((i1+1) == points_count) ? 0 : i1 + 1; - const struct nk_vec2 p1 = points[i1]; - const struct nk_vec2 p2 = points[i2]; - struct nk_vec2 diff = nk_vec2_sub(p2, p1); - float len; - - /* vec2 inverted length */ - len = nk_vec2_len_sqr(diff); - if (len != 0.0f) - len = nk_inv_sqrt(len); - else len = 1.0f; - diff = nk_vec2_muls(diff, len); - - /* add vertices */ - dx = diff.x * (thickness * 0.5f); - dy = diff.y * (thickness * 0.5f); - - vtx[0] = nk_draw_vertex(nk_vec2(p1.x + dy, p1.y - dx), uv, col); - vtx[1] = nk_draw_vertex(nk_vec2(p2.x + dy, p2.y - dx), uv, col); - vtx[2] = nk_draw_vertex(nk_vec2(p2.x - dy, p2.y + dx), uv, col); - vtx[3] = nk_draw_vertex(nk_vec2(p1.x - dy, p1.y + dx), uv, col); - vtx += 4; - - ids[0] = (nk_draw_index)(idx+0); ids[1] = (nk_draw_index)(idx+1); - ids[2] = (nk_draw_index)(idx+2); ids[3] = (nk_draw_index)(idx+0); - ids[4] = (nk_draw_index)(idx+2); ids[5] = (nk_draw_index)(idx+3); - ids += 6; - idx += 4; - } - } -} - -NK_API void -nk_draw_list_fill_poly_convex(struct nk_draw_list *list, - const struct nk_vec2 *points, const unsigned int points_count, - struct nk_color color, enum nk_anti_aliasing aliasing) -{ - NK_STORAGE const nk_size pnt_align = NK_ALIGNOF(struct nk_vec2); - NK_STORAGE const nk_size pnt_size = sizeof(struct nk_vec2); - nk_draw_vertex_color col; - NK_ASSERT(list); - if (!list || points_count < 3) return; - -#ifdef NK_INCLUDE_COMMAND_USERDATA - nk_draw_list_push_userdata(list, list->userdata); -#endif - - color.a = (nk_byte)((float)color.a * list->global_alpha); - col = nk_color_u32(color); - if (aliasing == NK_ANTI_ALIASING_ON) { - nk_size i = 0; - nk_size i0 = 0; - nk_size i1 = 0; - - const float AA_SIZE = 1.0f; - const nk_draw_vertex_color col_trans = col & 0x00ffffff; - nk_size index = list->vertex_count; - const nk_size idx_count = (points_count-2)*3 + points_count*6; - const nk_size vtx_count = (points_count*2); - struct nk_draw_vertex *vtx = nk_draw_list_alloc_vertices(list, vtx_count); - nk_draw_index *ids = nk_draw_list_alloc_elements(list, idx_count); - - unsigned int vtx_inner_idx = (unsigned int)(index + 0); - unsigned int vtx_outer_idx = (unsigned int)(index + 1); - struct nk_vec2 *normals = 0; - nk_size size = 0; - if (!vtx || !ids) return; - - /* temporary allocate normals */ - nk_buffer_mark(list->vertices, NK_BUFFER_FRONT); - size = pnt_size * points_count; - normals = (struct nk_vec2*) - nk_buffer_alloc(list->vertices, NK_BUFFER_FRONT, size, pnt_align); - if (!normals) return; - - /* add elements */ - for (i = 2; i < points_count; i++) { - ids[0] = (nk_draw_index)(vtx_inner_idx); - ids[1] = (nk_draw_index)(vtx_inner_idx + ((i-1) << 1)); - ids[2] = (nk_draw_index)(vtx_inner_idx + (i << 1)); - ids += 3; - } - - /* compute normals */ - for (i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) { - struct nk_vec2 p0 = points[i0]; - struct nk_vec2 p1 = points[i1]; - struct nk_vec2 diff = nk_vec2_sub(p1, p0); - - /* vec2 inverted length */ - float len = nk_vec2_len_sqr(diff); - if (len != 0.0f) - len = nk_inv_sqrt(len); - else len = 1.0f; - diff = nk_vec2_muls(diff, len); - - normals[i0].x = diff.y; - normals[i0].y = -diff.x; - } - - /* add vertices + indexes */ - for (i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) { - const struct nk_vec2 uv = list->null.uv; - struct nk_vec2 n0 = normals[i0]; - struct nk_vec2 n1 = normals[i1]; - struct nk_vec2 dm = nk_vec2_muls(nk_vec2_add(n0, n1), 0.5f); - - float dmr2 = dm.x*dm.x + dm.y*dm.y; - if (dmr2 > 0.000001f) { - float scale = 1.0f / dmr2; - scale = NK_MIN(scale, 100.0f); - dm = nk_vec2_muls(dm, scale); - } - dm = nk_vec2_muls(dm, AA_SIZE * 0.5f); - - /* add vertices */ - vtx[0] = nk_draw_vertex(nk_vec2_sub(points[i1], dm), uv, col); - vtx[1] = nk_draw_vertex(nk_vec2_add(points[i1], dm), uv, col_trans); - vtx += 2; - - /* add indexes */ - ids[0] = (nk_draw_index)(vtx_inner_idx+(i1<<1)); - ids[1] = (nk_draw_index)(vtx_inner_idx+(i0<<1)); - ids[2] = (nk_draw_index)(vtx_outer_idx+(i0<<1)); - ids[3] = (nk_draw_index)(vtx_outer_idx+(i0<<1)); - ids[4] = (nk_draw_index)(vtx_outer_idx+(i1<<1)); - ids[5] = (nk_draw_index)(vtx_inner_idx+(i1<<1)); - ids += 6; - } - /* free temporary normals + points */ - nk_buffer_reset(list->vertices, NK_BUFFER_FRONT); - } else { - nk_size i = 0; - nk_size index = list->vertex_count; - const nk_size idx_count = (points_count-2)*3; - const nk_size vtx_count = points_count; - struct nk_draw_vertex *vtx = nk_draw_list_alloc_vertices(list, vtx_count); - nk_draw_index *ids = nk_draw_list_alloc_elements(list, idx_count); - if (!vtx || !ids) return; - for (i = 0; i < vtx_count; ++i) { - vtx[0] = nk_draw_vertex(points[i], list->null.uv, col); - vtx++; - } - for (i = 2; i < points_count; ++i) { - ids[0] = (nk_draw_index)index; - ids[1] = (nk_draw_index)(index+ i - 1); - ids[2] = (nk_draw_index)(index+i); - ids += 3; - } - } -} - -NK_API void -nk_draw_list_path_clear(struct nk_draw_list *list) -{ - NK_ASSERT(list); - if (!list) return; - nk_buffer_reset(list->buffer, NK_BUFFER_FRONT); - list->path_count = 0; - list->path_offset = 0; -} - -NK_API void -nk_draw_list_path_line_to(struct nk_draw_list *list, struct nk_vec2 pos) -{ - struct nk_vec2 *points = 0; - struct nk_draw_command *cmd = 0; - NK_ASSERT(list); - if (!list) return; - if (!list->cmd_count) - nk_draw_list_add_clip(list, nk_null_rect); - - cmd = nk_draw_list_command_last(list); - if (cmd && cmd->texture.ptr != list->null.texture.ptr) - nk_draw_list_push_image(list, list->null.texture); - - points = nk_draw_list_alloc_path(list, 1); - if (!points) return; - points[0] = pos; -} - -NK_API void -nk_draw_list_path_arc_to_fast(struct nk_draw_list *list, struct nk_vec2 center, - float radius, int a_min, int a_max) -{ - NK_ASSERT(list); - if (!list) return; - if (a_min <= a_max) { - int a = 0; - for (a = a_min; a <= a_max; a++) { - const struct nk_vec2 c = list->circle_vtx[(nk_size)a % NK_LEN(list->circle_vtx)]; - const float x = center.x + c.x * radius; - const float y = center.y + c.y * radius; - nk_draw_list_path_line_to(list, nk_vec2(x, y)); - } - } -} - -NK_API void -nk_draw_list_path_arc_to(struct nk_draw_list *list, struct nk_vec2 center, - float radius, float a_min, float a_max, unsigned int segments) -{ - unsigned int i = 0; - NK_ASSERT(list); - if (!list) return; - if (radius == 0.0f) return; - for (i = 0; i <= segments; ++i) { - const float a = a_min + ((float)i / ((float)segments) * (a_max - a_min)); - const float x = center.x + (float)NK_COS(a) * radius; - const float y = center.y + (float)NK_SIN(a) * radius; - nk_draw_list_path_line_to(list, nk_vec2(x, y)); - } -} - -NK_API void -nk_draw_list_path_rect_to(struct nk_draw_list *list, struct nk_vec2 a, - struct nk_vec2 b, float rounding) -{ - float r; - NK_ASSERT(list); - if (!list) return; - r = rounding; - r = NK_MIN(r, ((b.x-a.x) < 0) ? -(b.x-a.x): (b.x-a.x)); - r = NK_MIN(r, ((b.y-a.y) < 0) ? -(b.y-a.y): (b.y-a.y)); - - if (r == 0.0f) { - nk_draw_list_path_line_to(list, a); - nk_draw_list_path_line_to(list, nk_vec2(b.x,a.y)); - nk_draw_list_path_line_to(list, b); - nk_draw_list_path_line_to(list, nk_vec2(a.x,b.y)); - } else { - nk_draw_list_path_arc_to_fast(list, nk_vec2(a.x + r, a.y + r), r, 6, 9); - nk_draw_list_path_arc_to_fast(list, nk_vec2(b.x - r, a.y + r), r, 9, 12); - nk_draw_list_path_arc_to_fast(list, nk_vec2(b.x - r, b.y - r), r, 0, 3); - nk_draw_list_path_arc_to_fast(list, nk_vec2(a.x + r, b.y - r), r, 3, 6); - } -} - -NK_API void -nk_draw_list_path_curve_to(struct nk_draw_list *list, struct nk_vec2 p2, - struct nk_vec2 p3, struct nk_vec2 p4, unsigned int num_segments) -{ - unsigned int i_step; - float t_step; - struct nk_vec2 p1; - - NK_ASSERT(list); - NK_ASSERT(list->path_count); - if (!list || !list->path_count) return; - num_segments = NK_MAX(num_segments, 1); - - p1 = nk_draw_list_path_last(list); - t_step = 1.0f/(float)num_segments; - for (i_step = 1; i_step <= num_segments; ++i_step) { - float t = t_step * (float)i_step; - float u = 1.0f - t; - float w1 = u*u*u; - float w2 = 3*u*u*t; - float w3 = 3*u*t*t; - float w4 = t * t *t; - float x = w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x; - float y = w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y; - nk_draw_list_path_line_to(list, nk_vec2(x,y)); - } -} - -NK_API void -nk_draw_list_path_fill(struct nk_draw_list *list, struct nk_color color) -{ - struct nk_vec2 *points; - NK_ASSERT(list); - if (!list) return; - points = (struct nk_vec2*)nk_buffer_memory(list->buffer); - nk_draw_list_fill_poly_convex(list, points, list->path_count, color, list->shape_AA); - nk_draw_list_path_clear(list); -} - -NK_API void -nk_draw_list_path_stroke(struct nk_draw_list *list, struct nk_color color, - enum nk_draw_list_stroke closed, float thickness) -{ - struct nk_vec2 *points; - NK_ASSERT(list); - if (!list) return; - points = (struct nk_vec2*)nk_buffer_memory(list->buffer); - nk_draw_list_stroke_poly_line(list, points, list->path_count, color, - closed, thickness, list->line_AA); - nk_draw_list_path_clear(list); -} - -NK_API void -nk_draw_list_stroke_line(struct nk_draw_list *list, struct nk_vec2 a, - struct nk_vec2 b, struct nk_color col, float thickness) -{ - NK_ASSERT(list); - if (!list || !col.a) return; - nk_draw_list_path_line_to(list, nk_vec2_add(a, nk_vec2(0.5f, 0.5f))); - nk_draw_list_path_line_to(list, nk_vec2_add(b, nk_vec2(0.5f, 0.5f))); - nk_draw_list_path_stroke(list, col, NK_STROKE_OPEN, thickness); -} - -NK_API void -nk_draw_list_fill_rect(struct nk_draw_list *list, struct nk_rect rect, - struct nk_color col, float rounding) -{ - NK_ASSERT(list); - if (!list || !col.a) return; - nk_draw_list_path_rect_to(list, nk_vec2(rect.x + 0.5f, rect.y + 0.5f), - nk_vec2(rect.x + rect.w + 0.5f, rect.y + rect.h + 0.5f), rounding); - nk_draw_list_path_fill(list, col); -} - -NK_API void -nk_draw_list_stroke_rect(struct nk_draw_list *list, struct nk_rect rect, - struct nk_color col, float rounding, float thickness) -{ - NK_ASSERT(list); - if (!list || !col.a) return; - nk_draw_list_path_rect_to(list, nk_vec2(rect.x + 0.5f, rect.y + 0.5f), - nk_vec2(rect.x + rect.w + 0.5f, rect.y + rect.h + 0.5f), rounding); - nk_draw_list_path_stroke(list, col, NK_STROKE_CLOSED, thickness); -} - -NK_API void -nk_draw_list_fill_rect_multi_color(struct nk_draw_list *list, struct nk_rect rect, - struct nk_color left, struct nk_color top, struct nk_color right, - struct nk_color bottom) -{ - nk_draw_vertex_color col_left = nk_color_u32(left); - nk_draw_vertex_color col_top = nk_color_u32(top); - nk_draw_vertex_color col_right = nk_color_u32(right); - nk_draw_vertex_color col_bottom = nk_color_u32(bottom); - - struct nk_draw_vertex *vtx; - nk_draw_index *idx; - nk_draw_index index; - NK_ASSERT(list); - if (!list) return; - - nk_draw_list_push_image(list, list->null.texture); - index = (nk_draw_index)list->vertex_count; - vtx = nk_draw_list_alloc_vertices(list, 4); - idx = nk_draw_list_alloc_elements(list, 6); - if (!vtx || !idx) return; - - idx[0] = (nk_draw_index)(index+0); idx[1] = (nk_draw_index)(index+1); - idx[2] = (nk_draw_index)(index+2); idx[3] = (nk_draw_index)(index+0); - idx[4] = (nk_draw_index)(index+2); idx[5] = (nk_draw_index)(index+3); - - vtx[0] = nk_draw_vertex(nk_vec2(rect.x, rect.y), list->null.uv, col_left); - vtx[1] = nk_draw_vertex(nk_vec2(rect.x + rect.w, rect.y), list->null.uv, col_top); - vtx[2] = nk_draw_vertex(nk_vec2(rect.x + rect.w, rect.y + rect.h), list->null.uv, col_right); - vtx[3] = nk_draw_vertex(nk_vec2(rect.x, rect.y + rect.h), list->null.uv, col_bottom); -} - -NK_API void -nk_draw_list_fill_triangle(struct nk_draw_list *list, struct nk_vec2 a, - struct nk_vec2 b, struct nk_vec2 c, struct nk_color col) -{ - NK_ASSERT(list); - if (!list || !col.a) return; - nk_draw_list_path_line_to(list, a); - nk_draw_list_path_line_to(list, b); - nk_draw_list_path_line_to(list, c); - nk_draw_list_path_fill(list, col); -} - -NK_API void -nk_draw_list_stroke_triangle(struct nk_draw_list *list, struct nk_vec2 a, - struct nk_vec2 b, struct nk_vec2 c, struct nk_color col, float thickness) -{ - NK_ASSERT(list); - if (!list || !col.a) return; - nk_draw_list_path_line_to(list, a); - nk_draw_list_path_line_to(list, b); - nk_draw_list_path_line_to(list, c); - nk_draw_list_path_stroke(list, col, NK_STROKE_CLOSED, thickness); -} - -NK_API void -nk_draw_list_fill_circle(struct nk_draw_list *list, struct nk_vec2 center, - float radius, struct nk_color col, unsigned int segs) -{ - float a_max; - NK_ASSERT(list); - if (!list || !col.a) return; - a_max = NK_PI * 2.0f * ((float)segs - 1.0f) / (float)segs; - nk_draw_list_path_arc_to(list, center, radius, 0.0f, a_max, segs); - nk_draw_list_path_fill(list, col); -} - -NK_API void -nk_draw_list_stroke_circle(struct nk_draw_list *list, struct nk_vec2 center, - float radius, struct nk_color col, unsigned int segs, float thickness) -{ - float a_max; - NK_ASSERT(list); - if (!list || !col.a) return; - a_max = NK_PI * 2.0f * ((float)segs - 1.0f) / (float)segs; - nk_draw_list_path_arc_to(list, center, radius, 0.0f, a_max, segs); - nk_draw_list_path_stroke(list, col, NK_STROKE_CLOSED, thickness); -} - -NK_API void -nk_draw_list_stroke_curve(struct nk_draw_list *list, struct nk_vec2 p0, - struct nk_vec2 cp0, struct nk_vec2 cp1, struct nk_vec2 p1, - struct nk_color col, unsigned int segments, float thickness) -{ - NK_ASSERT(list); - if (!list || !col.a) return; - nk_draw_list_path_line_to(list, p0); - nk_draw_list_path_curve_to(list, cp0, cp1, p1, segments); - nk_draw_list_path_stroke(list, col, NK_STROKE_OPEN, thickness); -} - -NK_INTERN void -nk_draw_list_push_rect_uv(struct nk_draw_list *list, struct nk_vec2 a, - struct nk_vec2 c, struct nk_vec2 uva, struct nk_vec2 uvc, - struct nk_color color) -{ - nk_draw_vertex_color col = nk_color_u32(color); - struct nk_draw_vertex *vtx; - struct nk_vec2 uvb; - struct nk_vec2 uvd; - struct nk_vec2 b; - struct nk_vec2 d; - nk_draw_index *idx; - nk_draw_index index; - NK_ASSERT(list); - if (!list) return; - - uvb = nk_vec2(uvc.x, uva.y); - uvd = nk_vec2(uva.x, uvc.y); - b = nk_vec2(c.x, a.y); - d = nk_vec2(a.x, c.y); - - index = (nk_draw_index)list->vertex_count; - vtx = nk_draw_list_alloc_vertices(list, 4); - idx = nk_draw_list_alloc_elements(list, 6); - if (!vtx || !idx) return; - - idx[0] = (nk_draw_index)(index+0); idx[1] = (nk_draw_index)(index+1); - idx[2] = (nk_draw_index)(index+2); idx[3] = (nk_draw_index)(index+0); - idx[4] = (nk_draw_index)(index+2); idx[5] = (nk_draw_index)(index+3); - - vtx[0] = nk_draw_vertex(a, uva, col); - vtx[1] = nk_draw_vertex(b, uvb, col); - vtx[2] = nk_draw_vertex(c, uvc, col); - vtx[3] = nk_draw_vertex(d, uvd, col); -} - -NK_API void -nk_draw_list_add_image(struct nk_draw_list *list, struct nk_image texture, - struct nk_rect rect, struct nk_color color) -{ - NK_ASSERT(list); - if (!list) return; - /* push new command with given texture */ - nk_draw_list_push_image(list, texture.handle); - if (nk_image_is_subimage(&texture)) { - /* add region inside of the texture */ - struct nk_vec2 uv[2]; - uv[0].x = (float)texture.region[0]/(float)texture.w; - uv[0].y = (float)texture.region[1]/(float)texture.h; - uv[1].x = (float)(texture.region[0] + texture.region[2])/(float)texture.w; - uv[1].y = (float)(texture.region[1] + texture.region[3])/(float)texture.h; - nk_draw_list_push_rect_uv(list, nk_vec2(rect.x, rect.y), - nk_vec2(rect.x + rect.w, rect.y + rect.h), uv[0], uv[1], color); - } else nk_draw_list_push_rect_uv(list, nk_vec2(rect.x, rect.y), - nk_vec2(rect.x + rect.w, rect.y + rect.h), - nk_vec2(0.0f, 0.0f), nk_vec2(1.0f, 1.0f),color); -} - -NK_API void -nk_draw_list_add_text(struct nk_draw_list *list, const struct nk_user_font *font, - struct nk_rect rect, const char *text, int len, float font_height, - struct nk_color fg) -{ - float x; - int text_len; - nk_rune unicode; - nk_rune next; - int glyph_len; - int next_glyph_len; - struct nk_user_font_glyph g; - - NK_ASSERT(list); - if (!list || !len || !text) return; - if (rect.x > (list->clip_rect.x + list->clip_rect.w) || - rect.y > (list->clip_rect.y + list->clip_rect.h) || - rect.x < list->clip_rect.x || rect.y < list->clip_rect.y) - return; - - nk_draw_list_push_image(list, font->texture); - x = rect.x; - glyph_len = text_len = nk_utf_decode(text, &unicode, len); - if (!glyph_len) return; - - /* draw every glyph image */ - while (text_len <= len && glyph_len) { - float gx, gy, gh, gw; - float char_width = 0; - if (unicode == NK_UTF_INVALID) break; - - /* query currently drawn glyph information */ - next_glyph_len = nk_utf_decode(text + text_len, &next, (int)len - text_len); - font->query(font->userdata, font_height, &g, unicode, - (next == NK_UTF_INVALID) ? '\0' : next); - - /* calculate and draw glyph drawing rectangle and image */ - gx = x + g.offset.x; - /*gy = rect.y + (rect.h/2) - (font->height/2) + g.offset.y;*/ - gy = rect.y + g.offset.y; - gw = g.width; gh = g.height; - char_width = g.xadvance; - fg.a = (nk_byte)((float)fg.a * list->global_alpha); - nk_draw_list_push_rect_uv(list, nk_vec2(gx,gy), nk_vec2(gx + gw, gy+ gh), - g.uv[0], g.uv[1], fg); - - /* offset next glyph */ - text_len += glyph_len; - x += char_width; - glyph_len = next_glyph_len; - unicode = next; - } -} - -NK_API void -nk_convert(struct nk_context *ctx, struct nk_buffer *cmds, - struct nk_buffer *vertices, struct nk_buffer *elements, - const struct nk_convert_config *config) -{ - const struct nk_command *cmd; - NK_ASSERT(ctx); - NK_ASSERT(cmds); - NK_ASSERT(vertices); - NK_ASSERT(elements); - if (!ctx || !cmds || !vertices || !elements) - return; - - nk_draw_list_setup(&ctx->draw_list, config->global_alpha, config->line_AA, - config->shape_AA, config->null, cmds, vertices, elements); - nk_foreach(cmd, ctx) - { -#ifdef NK_INCLUDE_COMMAND_USERDATA - list->userdata = cmd->userdata; -#endif - switch (cmd->type) { - case NK_COMMAND_NOP: break; - case NK_COMMAND_SCISSOR: { - const struct nk_command_scissor *s = (const struct nk_command_scissor*)cmd; - nk_draw_list_add_clip(&ctx->draw_list, nk_rect(s->x, s->y, s->w, s->h)); - } break; - case NK_COMMAND_LINE: { - const struct nk_command_line *l = (const struct nk_command_line*)cmd; - nk_draw_list_stroke_line(&ctx->draw_list, nk_vec2(l->begin.x, l->begin.y), - nk_vec2(l->end.x, l->end.y), l->color, l->line_thickness); - } break; - case NK_COMMAND_CURVE: { - const struct nk_command_curve *q = (const struct nk_command_curve*)cmd; - nk_draw_list_stroke_curve(&ctx->draw_list, nk_vec2(q->begin.x, q->begin.y), - nk_vec2(q->ctrl[0].x, q->ctrl[0].y), nk_vec2(q->ctrl[1].x, - q->ctrl[1].y), nk_vec2(q->end.x, q->end.y), q->color, - config->curve_segment_count, q->line_thickness); - } break; - case NK_COMMAND_RECT: { - const struct nk_command_rect *r = (const struct nk_command_rect*)cmd; - nk_draw_list_stroke_rect(&ctx->draw_list, nk_rect(r->x, r->y, r->w, r->h), - r->color, (float)r->rounding, r->line_thickness); - } break; - case NK_COMMAND_RECT_FILLED: { - const struct nk_command_rect_filled *r = (const struct nk_command_rect_filled*)cmd; - nk_draw_list_fill_rect(&ctx->draw_list, nk_rect(r->x, r->y, r->w, r->h), - r->color, (float)r->rounding); - } break; - case NK_COMMAND_RECT_MULTI_COLOR: { - const struct nk_command_rect_multi_color *r = (const struct nk_command_rect_multi_color*)cmd; - nk_draw_list_fill_rect_multi_color(&ctx->draw_list, nk_rect(r->x, r->y, r->w, r->h), - r->left, r->top, r->right, r->bottom); - } break; - case NK_COMMAND_CIRCLE: { - const struct nk_command_circle *c = (const struct nk_command_circle*)cmd; - nk_draw_list_stroke_circle(&ctx->draw_list, nk_vec2((float)c->x + (float)c->w/2, - (float)c->y + (float)c->h/2), (float)c->w/2, c->color, - config->circle_segment_count, c->line_thickness); - } break; - case NK_COMMAND_CIRCLE_FILLED: { - const struct nk_command_circle_filled *c = (const struct nk_command_circle_filled *)cmd; - nk_draw_list_fill_circle(&ctx->draw_list, nk_vec2((float)c->x + (float)c->w/2, - (float)c->y + (float)c->h/2), (float)c->w/2, c->color, - config->circle_segment_count); - } break; - case NK_COMMAND_ARC: { - const struct nk_command_arc *c = (const struct nk_command_arc*)cmd; - nk_draw_list_path_line_to(&ctx->draw_list, nk_vec2(c->cx, c->cy)); - nk_draw_list_path_arc_to(&ctx->draw_list, nk_vec2(c->cx, c->cy), c->r, - c->a[0], c->a[1], config->arc_segment_count); - nk_draw_list_path_stroke(&ctx->draw_list, c->color, NK_STROKE_CLOSED, c->line_thickness); - } break; - case NK_COMMAND_ARC_FILLED: { - const struct nk_command_arc_filled *c = (const struct nk_command_arc_filled*)cmd; - nk_draw_list_path_line_to(&ctx->draw_list, nk_vec2(c->cx, c->cy)); - nk_draw_list_path_arc_to(&ctx->draw_list, nk_vec2(c->cx, c->cy), c->r, - c->a[0], c->a[1], config->arc_segment_count); - nk_draw_list_path_fill(&ctx->draw_list, c->color); - } break; - case NK_COMMAND_TRIANGLE: { - const struct nk_command_triangle *t = (const struct nk_command_triangle*)cmd; - nk_draw_list_stroke_triangle(&ctx->draw_list, nk_vec2(t->a.x, t->a.y), - nk_vec2(t->b.x, t->b.y), nk_vec2(t->c.x, t->c.y), t->color, - t->line_thickness); - } break; - case NK_COMMAND_TRIANGLE_FILLED: { - const struct nk_command_triangle_filled *t = (const struct nk_command_triangle_filled*)cmd; - nk_draw_list_fill_triangle(&ctx->draw_list, nk_vec2(t->a.x, t->a.y), - nk_vec2(t->b.x, t->b.y), nk_vec2(t->c.x, t->c.y), t->color); - } break; - case NK_COMMAND_POLYGON: { - int i; - const struct nk_command_polygon*p = (const struct nk_command_polygon*)cmd; - for (i = 0; i < p->point_count; ++i) { - struct nk_vec2 pnt = nk_vec2((float)p->points[i].x, (float)p->points[i].y); - nk_draw_list_path_line_to(&ctx->draw_list, pnt); - } - nk_draw_list_path_stroke(&ctx->draw_list, p->color, NK_STROKE_CLOSED, p->line_thickness); - } break; - case NK_COMMAND_POLYGON_FILLED: { - int i; - const struct nk_command_polygon_filled *p = (const struct nk_command_polygon_filled*)cmd; - for (i = 0; i < p->point_count; ++i) { - struct nk_vec2 pnt = nk_vec2((float)p->points[i].x, (float)p->points[i].y); - nk_draw_list_path_line_to(&ctx->draw_list, pnt); - } - nk_draw_list_path_fill(&ctx->draw_list, p->color); - } break; - case NK_COMMAND_POLYLINE: { - int i; - const struct nk_command_polyline *p = (const struct nk_command_polyline*)cmd; - for (i = 0; i < p->point_count; ++i) { - struct nk_vec2 pnt = nk_vec2((float)p->points[i].x, (float)p->points[i].y); - nk_draw_list_path_line_to(&ctx->draw_list, pnt); - } - nk_draw_list_path_stroke(&ctx->draw_list, p->color, NK_STROKE_OPEN, p->line_thickness); - } break; - case NK_COMMAND_TEXT: { - const struct nk_command_text *t = (const struct nk_command_text*)cmd; - nk_draw_list_add_text(&ctx->draw_list, t->font, nk_rect(t->x, t->y, t->w, t->h), - t->string, t->length, t->height, t->foreground); - } break; - case NK_COMMAND_IMAGE: { - const struct nk_command_image *i = (const struct nk_command_image*)cmd; - nk_draw_list_add_image(&ctx->draw_list, i->img, nk_rect(i->x, i->y, i->w, i->h), - nk_rgb(255, 255, 255)); - } break; - default: break; - } - } -} - -NK_API const struct nk_draw_command* -nk__draw_begin(const struct nk_context *ctx, - const struct nk_buffer *buffer) -{return nk__draw_list_begin(&ctx->draw_list, buffer);} - -NK_API const struct nk_draw_command* -nk__draw_next(const struct nk_draw_command *cmd, - const struct nk_buffer *buffer, const struct nk_context *ctx) -{return nk__draw_list_next(cmd, buffer, &ctx->draw_list);} - -#endif - -/* - * ============================================================== - * - * FONT HANDLING - * - * =============================================================== - */ -#ifdef NK_INCLUDE_FONT_BAKING -/* ------------------------------------------------------------- - * - * RECT PACK - * - * --------------------------------------------------------------*/ -/* stb_rect_pack.h - v0.05 - public domain - rectangle packing */ -/* Sean Barrett 2014 */ -#define NK_RP__MAXVAL 0xffff -typedef unsigned short nk_rp_coord; - -struct nk_rp_rect { - /* reserved for your use: */ - int id; - /* input: */ - nk_rp_coord w, h; - /* output: */ - nk_rp_coord x, y; - int was_packed; - /* non-zero if valid packing */ -}; /* 16 bytes, nominally */ - -struct nk_rp_node { - nk_rp_coord x,y; - struct nk_rp_node *next; -}; - -struct nk_rp_context { - int width; - int height; - int align; - int init_mode; - int heuristic; - int num_nodes; - struct nk_rp_node *active_head; - struct nk_rp_node *free_head; - struct nk_rp_node extra[2]; - /* we allocate two extra nodes so optimal user-node-count is 'width' not 'width+2' */ -}; - -struct nk_rp__findresult { - int x,y; - struct nk_rp_node **prev_link; -}; - -enum NK_RP_HEURISTIC { - NK_RP_HEURISTIC_Skyline_default=0, - NK_RP_HEURISTIC_Skyline_BL_sortHeight = NK_RP_HEURISTIC_Skyline_default, - NK_RP_HEURISTIC_Skyline_BF_sortHeight -}; -enum NK_RP_INIT_STATE{NK_RP__INIT_skyline = 1}; - -NK_INTERN void -nk_rp_setup_allow_out_of_mem(struct nk_rp_context *context, int allow_out_of_mem) -{ - if (allow_out_of_mem) - /* if it's ok to run out of memory, then don't bother aligning them; */ - /* this gives better packing, but may fail due to OOM (even though */ - /* the rectangles easily fit). @TODO a smarter approach would be to only */ - /* quantize once we've hit OOM, then we could get rid of this parameter. */ - context->align = 1; - else { - /* if it's not ok to run out of memory, then quantize the widths */ - /* so that num_nodes is always enough nodes. */ - /* */ - /* I.e. num_nodes * align >= width */ - /* align >= width / num_nodes */ - /* align = ceil(width/num_nodes) */ - context->align = (context->width + context->num_nodes-1) / context->num_nodes; - } -} - -NK_INTERN void -nk_rp_init_target(struct nk_rp_context *context, int width, int height, - struct nk_rp_node *nodes, int num_nodes) -{ - int i; -#ifndef STBRP_LARGE_RECTS - NK_ASSERT(width <= 0xffff && height <= 0xffff); -#endif - - for (i=0; i < num_nodes-1; ++i) - nodes[i].next = &nodes[i+1]; - nodes[i].next = 0; - context->init_mode = NK_RP__INIT_skyline; - context->heuristic = NK_RP_HEURISTIC_Skyline_default; - context->free_head = &nodes[0]; - context->active_head = &context->extra[0]; - context->width = width; - context->height = height; - context->num_nodes = num_nodes; - nk_rp_setup_allow_out_of_mem(context, 0); - - /* node 0 is the full width, node 1 is the sentinel (lets us not store width explicitly) */ - context->extra[0].x = 0; - context->extra[0].y = 0; - context->extra[0].next = &context->extra[1]; - context->extra[1].x = (nk_rp_coord) width; - context->extra[1].y = 65535; - context->extra[1].next = 0; -} - -/* find minimum y position if it starts at x1 */ -NK_INTERN int -nk_rp__skyline_find_min_y(struct nk_rp_context *c, struct nk_rp_node *first, - int x0, int width, int *pwaste) -{ - struct nk_rp_node *node = first; - int x1 = x0 + width; - int min_y, visited_width, waste_area; - NK_ASSERT(first->x <= x0); - NK_UNUSED(c); - - NK_ASSERT(node->next->x > x0); - /* we ended up handling this in the caller for efficiency */ - NK_ASSERT(node->x <= x0); - - min_y = 0; - waste_area = 0; - visited_width = 0; - while (node->x < x1) - { - if (node->y > min_y) { - /* raise min_y higher. */ - /* we've accounted for all waste up to min_y, */ - /* but we'll now add more waste for everything we've visited */ - waste_area += visited_width * (node->y - min_y); - min_y = node->y; - /* the first time through, visited_width might be reduced */ - if (node->x < x0) - visited_width += node->next->x - x0; - else - visited_width += node->next->x - node->x; - } else { - /* add waste area */ - int under_width = node->next->x - node->x; - if (under_width + visited_width > width) - under_width = width - visited_width; - waste_area += under_width * (min_y - node->y); - visited_width += under_width; - } - node = node->next; - } - *pwaste = waste_area; - return min_y; -} - -NK_INTERN struct nk_rp__findresult -nk_rp__skyline_find_best_pos(struct nk_rp_context *c, int width, int height) -{ - int best_waste = (1<<30), best_x, best_y = (1 << 30); - struct nk_rp__findresult fr; - struct nk_rp_node **prev, *node, *tail, **best = 0; - - /* align to multiple of c->align */ - width = (width + c->align - 1); - width -= width % c->align; - NK_ASSERT(width % c->align == 0); - - node = c->active_head; - prev = &c->active_head; - while (node->x + width <= c->width) { - int y,waste; - y = nk_rp__skyline_find_min_y(c, node, node->x, width, &waste); - /* actually just want to test BL */ - if (c->heuristic == NK_RP_HEURISTIC_Skyline_BL_sortHeight) { - /* bottom left */ - if (y < best_y) { - best_y = y; - best = prev; - } - } else { - /* best-fit */ - if (y + height <= c->height) { - /* can only use it if it first vertically */ - if (y < best_y || (y == best_y && waste < best_waste)) { - best_y = y; - best_waste = waste; - best = prev; - } - } - } - prev = &node->next; - node = node->next; - } - best_x = (best == 0) ? 0 : (*best)->x; - - /* if doing best-fit (BF), we also have to try aligning right edge to each node position */ - /* */ - /* e.g, if fitting */ - /* */ - /* ____________________ */ - /* |____________________| */ - /* */ - /* into */ - /* */ - /* | | */ - /* | ____________| */ - /* |____________| */ - /* */ - /* then right-aligned reduces waste, but bottom-left BL is always chooses left-aligned */ - /* */ - /* This makes BF take about 2x the time */ - if (c->heuristic == NK_RP_HEURISTIC_Skyline_BF_sortHeight) - { - tail = c->active_head; - node = c->active_head; - prev = &c->active_head; - /* find first node that's admissible */ - while (tail->x < width) - tail = tail->next; - while (tail) - { - int xpos = tail->x - width; - int y,waste; - NK_ASSERT(xpos >= 0); - /* find the left position that matches this */ - while (node->next->x <= xpos) { - prev = &node->next; - node = node->next; - } - NK_ASSERT(node->next->x > xpos && node->x <= xpos); - y = nk_rp__skyline_find_min_y(c, node, xpos, width, &waste); - if (y + height < c->height) { - if (y <= best_y) { - if (y < best_y || waste < best_waste || (waste==best_waste && xpos < best_x)) { - best_x = xpos; - NK_ASSERT(y <= best_y); - best_y = y; - best_waste = waste; - best = prev; - } - } - } - tail = tail->next; - } - } - fr.prev_link = best; - fr.x = best_x; - fr.y = best_y; - return fr; -} - -NK_INTERN struct nk_rp__findresult -nk_rp__skyline_pack_rectangle(struct nk_rp_context *context, int width, int height) -{ - /* find best position according to heuristic */ - struct nk_rp__findresult res = nk_rp__skyline_find_best_pos(context, width, height); - struct nk_rp_node *node, *cur; - - /* bail if: */ - /* 1. it failed */ - /* 2. the best node doesn't fit (we don't always check this) */ - /* 3. we're out of memory */ - if (res.prev_link == 0 || res.y + height > context->height || context->free_head == 0) { - res.prev_link = 0; - return res; - } - - /* on success, create new node */ - node = context->free_head; - node->x = (nk_rp_coord) res.x; - node->y = (nk_rp_coord) (res.y + height); - - context->free_head = node->next; - - /* insert the new node into the right starting point, and */ - /* let 'cur' point to the remaining nodes needing to be */ - /* stitched back in */ - cur = *res.prev_link; - if (cur->x < res.x) { - /* preserve the existing one, so start testing with the next one */ - struct nk_rp_node *next = cur->next; - cur->next = node; - cur = next; - } else { - *res.prev_link = node; - } - - /* from here, traverse cur and free the nodes, until we get to one */ - /* that shouldn't be freed */ - while (cur->next && cur->next->x <= res.x + width) { - struct nk_rp_node *next = cur->next; - /* move the current node to the free list */ - cur->next = context->free_head; - context->free_head = cur; - cur = next; - } - /* stitch the list back in */ - node->next = cur; - - if (cur->x < res.x + width) - cur->x = (nk_rp_coord) (res.x + width); - return res; -} - -NK_INTERN int -nk_rect_height_compare(const void *a, const void *b) -{ - const struct nk_rp_rect *p = (const struct nk_rp_rect *) a; - const struct nk_rp_rect *q = (const struct nk_rp_rect *) b; - if (p->h > q->h) - return -1; - if (p->h < q->h) - return 1; - return (p->w > q->w) ? -1 : (p->w < q->w); -} - -NK_INTERN int -nk_rect_original_order(const void *a, const void *b) -{ - const struct nk_rp_rect *p = (const struct nk_rp_rect *) a; - const struct nk_rp_rect *q = (const struct nk_rp_rect *) b; - return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed); -} - -static void -nk_rp_qsort(struct nk_rp_rect *array, unsigned int len, int(*cmp)(const void*,const void*)) -{ - /* iterative quick sort */ - #define NK_MAX_SORT_STACK 64 - unsigned right, left = 0, stack[NK_MAX_SORT_STACK], pos = 0; - unsigned seed = len/2 * 69069+1; - for (;;) { - for (; left+1 < len; len++) { - struct nk_rp_rect pivot, tmp; - if (pos == NK_MAX_SORT_STACK) len = stack[pos = 0]; - pivot = array[left+seed%(len-left)]; - seed = seed * 69069 + 1; - stack[pos++] = len; - for (right = left-1;;) { - while (cmp(&array[++right], &pivot) < 0); - while (cmp(&pivot, &array[--len]) < 0); - if (right >= len) break; - tmp = array[right]; - array[right] = array[len]; - array[len] = tmp; - } - } - if (pos == 0) break; - left = len; - len = stack[--pos]; - } - #undef NK_MAX_SORT_STACK -} - -NK_INTERN void -nk_rp_pack_rects(struct nk_rp_context *context, struct nk_rp_rect *rects, int num_rects) -{ - int i; - /* we use the 'was_packed' field internally to allow sorting/unsorting */ - for (i=0; i < num_rects; ++i) { - rects[i].was_packed = i; - } - - /* sort according to heuristic */ - nk_rp_qsort(rects, (unsigned)num_rects, nk_rect_height_compare); - - for (i=0; i < num_rects; ++i) { - struct nk_rp__findresult fr = nk_rp__skyline_pack_rectangle(context, rects[i].w, rects[i].h); - if (fr.prev_link) { - rects[i].x = (nk_rp_coord) fr.x; - rects[i].y = (nk_rp_coord) fr.y; - } else { - rects[i].x = rects[i].y = NK_RP__MAXVAL; - } - } - - /* unsort */ - nk_rp_qsort(rects, (unsigned)num_rects, nk_rect_original_order); - - /* set was_packed flags */ - for (i=0; i < num_rects; ++i) - rects[i].was_packed = !(rects[i].x == NK_RP__MAXVAL && rects[i].y == NK_RP__MAXVAL); -} - -/* - * ============================================================== - * - * TRUETYPE - * - * =============================================================== - */ -/* stb_truetype.h - v1.07 - public domain */ -#define NK_TT_MAX_OVERSAMPLE 8 -#define NK_TT__OVER_MASK (NK_TT_MAX_OVERSAMPLE-1) - -struct nk_tt_bakedchar { - unsigned short x0,y0,x1,y1; - /* coordinates of bbox in bitmap */ - float xoff,yoff,xadvance; -}; - -struct nk_tt_aligned_quad{ - float x0,y0,s0,t0; /* top-left */ - float x1,y1,s1,t1; /* bottom-right */ -}; - -struct nk_tt_packedchar { - unsigned short x0,y0,x1,y1; - /* coordinates of bbox in bitmap */ - float xoff,yoff,xadvance; - float xoff2,yoff2; -}; - -struct nk_tt_pack_range { - float font_size; - int first_unicode_codepoint_in_range; - /* if non-zero, then the chars are continuous, and this is the first codepoint */ - int *array_of_unicode_codepoints; - /* if non-zero, then this is an array of unicode codepoints */ - int num_chars; - struct nk_tt_packedchar *chardata_for_range; /* output */ - unsigned char h_oversample, v_oversample; - /* don't set these, they're used internally */ -}; - -struct nk_tt_pack_context { - void *pack_info; - int width; - int height; - int stride_in_bytes; - int padding; - unsigned int h_oversample, v_oversample; - unsigned char *pixels; - void *nodes; -}; - -struct nk_tt_fontinfo { - const unsigned char* data; /* pointer to .ttf file */ - int fontstart;/* offset of start of font */ - int numGlyphs;/* number of glyphs, needed for range checking */ - int loca,head,glyf,hhea,hmtx,kern; /* table locations as offset from start of .ttf */ - int index_map; /* a cmap mapping for our chosen character encoding */ - int indexToLocFormat; /* format needed to map from glyph index to glyph */ -}; - -enum { - NK_TT_vmove=1, - NK_TT_vline, - NK_TT_vcurve -}; - -struct nk_tt_vertex { - short x,y,cx,cy; - unsigned char type,padding; -}; - -struct nk_tt__bitmap{ - int w,h,stride; - unsigned char *pixels; -}; - -struct nk_tt__hheap_chunk { - struct nk_tt__hheap_chunk *next; -}; -struct nk_tt__hheap { - struct nk_allocator alloc; - struct nk_tt__hheap_chunk *head; - void *first_free; - int num_remaining_in_head_chunk; -}; - -struct nk_tt__edge { - float x0,y0, x1,y1; - int invert; -}; - -struct nk_tt__active_edge { - struct nk_tt__active_edge *next; - float fx,fdx,fdy; - float direction; - float sy; - float ey; -}; -struct nk_tt__point {float x,y;}; - -#define NK_TT_MACSTYLE_DONTCARE 0 -#define NK_TT_MACSTYLE_BOLD 1 -#define NK_TT_MACSTYLE_ITALIC 2 -#define NK_TT_MACSTYLE_UNDERSCORE 4 -#define NK_TT_MACSTYLE_NONE 8 -/* <= not same as 0, this makes us check the bitfield is 0 */ - -enum { /* platformID */ - NK_TT_PLATFORM_ID_UNICODE =0, - NK_TT_PLATFORM_ID_MAC =1, - NK_TT_PLATFORM_ID_ISO =2, - NK_TT_PLATFORM_ID_MICROSOFT =3 -}; - -enum { /* encodingID for NK_TT_PLATFORM_ID_UNICODE */ - NK_TT_UNICODE_EID_UNICODE_1_0 =0, - NK_TT_UNICODE_EID_UNICODE_1_1 =1, - NK_TT_UNICODE_EID_ISO_10646 =2, - NK_TT_UNICODE_EID_UNICODE_2_0_BMP=3, - NK_TT_UNICODE_EID_UNICODE_2_0_FULL=4 -}; - -enum { /* encodingID for NK_TT_PLATFORM_ID_MICROSOFT */ - NK_TT_MS_EID_SYMBOL =0, - NK_TT_MS_EID_UNICODE_BMP =1, - NK_TT_MS_EID_SHIFTJIS =2, - NK_TT_MS_EID_UNICODE_FULL =10 -}; - -enum { /* encodingID for NK_TT_PLATFORM_ID_MAC; same as Script Manager codes */ - NK_TT_MAC_EID_ROMAN =0, NK_TT_MAC_EID_ARABIC =4, - NK_TT_MAC_EID_JAPANESE =1, NK_TT_MAC_EID_HEBREW =5, - NK_TT_MAC_EID_CHINESE_TRAD =2, NK_TT_MAC_EID_GREEK =6, - NK_TT_MAC_EID_KOREAN =3, NK_TT_MAC_EID_RUSSIAN =7 -}; - -enum { /* languageID for NK_TT_PLATFORM_ID_MICROSOFT; same as LCID... */ - /* problematic because there are e.g. 16 english LCIDs and 16 arabic LCIDs */ - NK_TT_MS_LANG_ENGLISH =0x0409, NK_TT_MS_LANG_ITALIAN =0x0410, - NK_TT_MS_LANG_CHINESE =0x0804, NK_TT_MS_LANG_JAPANESE =0x0411, - NK_TT_MS_LANG_DUTCH =0x0413, NK_TT_MS_LANG_KOREAN =0x0412, - NK_TT_MS_LANG_FRENCH =0x040c, NK_TT_MS_LANG_RUSSIAN =0x0419, - NK_TT_MS_LANG_GERMAN =0x0407, NK_TT_MS_LANG_SPANISH =0x0409, - NK_TT_MS_LANG_HEBREW =0x040d, NK_TT_MS_LANG_SWEDISH =0x041D -}; - -enum { /* languageID for NK_TT_PLATFORM_ID_MAC */ - NK_TT_MAC_LANG_ENGLISH =0 , NK_TT_MAC_LANG_JAPANESE =11, - NK_TT_MAC_LANG_ARABIC =12, NK_TT_MAC_LANG_KOREAN =23, - NK_TT_MAC_LANG_DUTCH =4 , NK_TT_MAC_LANG_RUSSIAN =32, - NK_TT_MAC_LANG_FRENCH =1 , NK_TT_MAC_LANG_SPANISH =6 , - NK_TT_MAC_LANG_GERMAN =2 , NK_TT_MAC_LANG_SWEDISH =5 , - NK_TT_MAC_LANG_HEBREW =10, NK_TT_MAC_LANG_CHINESE_SIMPLIFIED =33, - NK_TT_MAC_LANG_ITALIAN =3 , NK_TT_MAC_LANG_CHINESE_TRAD =19 -}; - -#define nk_ttBYTE(p) (* (const nk_byte *) (p)) -#define nk_ttCHAR(p) (* (const char *) (p)) - -#if defined(NK_BIGENDIAN) && !defined(NK_ALLOW_UNALIGNED_TRUETYPE) - #define nk_ttUSHORT(p) (* (nk_ushort *) (p)) - #define nk_ttSHORT(p) (* (nk_short *) (p)) - #define nk_ttULONG(p) (* (nk_uint *) (p)) - #define nk_ttLONG(p) (* (nk_int *) (p)) -#else - static nk_ushort nk_ttUSHORT(const nk_byte *p) { return (nk_ushort)(p[0]*256 + p[1]); } - static nk_short nk_ttSHORT(const nk_byte *p) { return (nk_short)(p[0]*256 + p[1]); } - static nk_uint nk_ttULONG(const nk_byte *p) { return (nk_uint)((p[0]<<24) + (p[1]<<16) + (p[2]<<8) + p[3]); } -#endif - -#define nk_tt_tag4(p,c0,c1,c2,c3)\ - ((p)[0] == (c0) && (p)[1] == (c1) && (p)[2] == (c2) && (p)[3] == (c3)) -#define nk_tt_tag(p,str) nk_tt_tag4(p,str[0],str[1],str[2],str[3]) - -NK_INTERN int nk_tt_GetGlyphShape(const struct nk_tt_fontinfo *info, struct nk_allocator *alloc, - int glyph_index, struct nk_tt_vertex **pvertices); - -NK_INTERN nk_uint -nk_tt__find_table(const nk_byte *data, nk_uint fontstart, const char *tag) -{ - /* @OPTIMIZE: binary search */ - nk_int num_tables = nk_ttUSHORT(data+fontstart+4); - nk_uint tabledir = fontstart + 12; - nk_int i; - for (i = 0; i < num_tables; ++i) { - nk_uint loc = tabledir + (nk_uint)(16*i); - if (nk_tt_tag(data+loc+0, tag)) - return nk_ttULONG(data+loc+8); - } - return 0; -} - -NK_INTERN int -nk_tt_InitFont(struct nk_tt_fontinfo *info, const unsigned char *data2, int fontstart) -{ - nk_uint cmap, t; - nk_int i,numTables; - const nk_byte *data = (const nk_byte *) data2; - - info->data = data; - info->fontstart = fontstart; - - cmap = nk_tt__find_table(data, (nk_uint)fontstart, "cmap"); /* required */ - info->loca = (int)nk_tt__find_table(data, (nk_uint)fontstart, "loca"); /* required */ - info->head = (int)nk_tt__find_table(data, (nk_uint)fontstart, "head"); /* required */ - info->glyf = (int)nk_tt__find_table(data, (nk_uint)fontstart, "glyf"); /* required */ - info->hhea = (int)nk_tt__find_table(data, (nk_uint)fontstart, "hhea"); /* required */ - info->hmtx = (int)nk_tt__find_table(data, (nk_uint)fontstart, "hmtx"); /* required */ - info->kern = (int)nk_tt__find_table(data, (nk_uint)fontstart, "kern"); /* not required */ - if (!cmap || !info->loca || !info->head || !info->glyf || !info->hhea || !info->hmtx) - return 0; - - t = nk_tt__find_table(data, (nk_uint)fontstart, "maxp"); - if (t) info->numGlyphs = nk_ttUSHORT(data+t+4); - else info->numGlyphs = 0xffff; - - /* find a cmap encoding table we understand *now* to avoid searching */ - /* later. (todo: could make this installable) */ - /* the same regardless of glyph. */ - numTables = nk_ttUSHORT(data + cmap + 2); - info->index_map = 0; - for (i=0; i < numTables; ++i) - { - nk_uint encoding_record = cmap + 4 + 8 * (nk_uint)i; - /* find an encoding we understand: */ - switch(nk_ttUSHORT(data+encoding_record)) { - case NK_TT_PLATFORM_ID_MICROSOFT: - switch (nk_ttUSHORT(data+encoding_record+2)) { - case NK_TT_MS_EID_UNICODE_BMP: - case NK_TT_MS_EID_UNICODE_FULL: - /* MS/Unicode */ - info->index_map = (int)(cmap + nk_ttULONG(data+encoding_record+4)); - break; - default: break; - } break; - case NK_TT_PLATFORM_ID_UNICODE: - /* Mac/iOS has these */ - /* all the encodingIDs are unicode, so we don't bother to check it */ - info->index_map = (int)(cmap + nk_ttULONG(data+encoding_record+4)); - break; - default: break; - } - } - if (info->index_map == 0) - return 0; - info->indexToLocFormat = nk_ttUSHORT(data+info->head + 50); - return 1; -} - -NK_INTERN int -nk_tt_FindGlyphIndex(const struct nk_tt_fontinfo *info, int unicode_codepoint) -{ - const nk_byte *data = info->data; - nk_uint index_map = (nk_uint)info->index_map; - - nk_ushort format = nk_ttUSHORT(data + index_map + 0); - if (format == 0) { /* apple byte encoding */ - nk_int bytes = nk_ttUSHORT(data + index_map + 2); - if (unicode_codepoint < bytes-6) - return nk_ttBYTE(data + index_map + 6 + unicode_codepoint); - return 0; - } else if (format == 6) { - nk_uint first = nk_ttUSHORT(data + index_map + 6); - nk_uint count = nk_ttUSHORT(data + index_map + 8); - if ((nk_uint) unicode_codepoint >= first && (nk_uint) unicode_codepoint < first+count) - return nk_ttUSHORT(data + index_map + 10 + (unicode_codepoint - (int)first)*2); - return 0; - } else if (format == 2) { - NK_ASSERT(0); /* @TODO: high-byte mapping for japanese/chinese/korean */ - return 0; - } else if (format == 4) { /* standard mapping for windows fonts: binary search collection of ranges */ - nk_ushort segcount = nk_ttUSHORT(data+index_map+6) >> 1; - nk_ushort searchRange = nk_ttUSHORT(data+index_map+8) >> 1; - nk_ushort entrySelector = nk_ttUSHORT(data+index_map+10); - nk_ushort rangeShift = nk_ttUSHORT(data+index_map+12) >> 1; - - /* do a binary search of the segments */ - nk_uint endCount = index_map + 14; - nk_uint search = endCount; - - if (unicode_codepoint > 0xffff) - return 0; - - /* they lie from endCount .. endCount + segCount */ - /* but searchRange is the nearest power of two, so... */ - if (unicode_codepoint >= nk_ttUSHORT(data + search + rangeShift*2)) - search += (nk_uint)(rangeShift*2); - - /* now decrement to bias correctly to find smallest */ - search -= 2; - while (entrySelector) { - nk_ushort end; - searchRange >>= 1; - end = nk_ttUSHORT(data + search + searchRange*2); - if (unicode_codepoint > end) - search += (nk_uint)(searchRange*2); - --entrySelector; - } - search += 2; - - { - nk_ushort offset, start; - nk_ushort item = (nk_ushort) ((search - endCount) >> 1); - - NK_ASSERT(unicode_codepoint <= nk_ttUSHORT(data + endCount + 2*item)); - start = nk_ttUSHORT(data + index_map + 14 + segcount*2 + 2 + 2*item); - if (unicode_codepoint < start) - return 0; - - offset = nk_ttUSHORT(data + index_map + 14 + segcount*6 + 2 + 2*item); - if (offset == 0) - return (nk_ushort) (unicode_codepoint + nk_ttSHORT(data + index_map + 14 + segcount*4 + 2 + 2*item)); - - return nk_ttUSHORT(data + offset + (unicode_codepoint-start)*2 + index_map + 14 + segcount*6 + 2 + 2*item); - } - } else if (format == 12 || format == 13) { - nk_uint ngroups = nk_ttULONG(data+index_map+12); - nk_int low,high; - low = 0; high = (nk_int)ngroups; - /* Binary search the right group. */ - while (low < high) { - nk_int mid = low + ((high-low) >> 1); /* rounds down, so low <= mid < high */ - nk_uint start_char = nk_ttULONG(data+index_map+16+mid*12); - nk_uint end_char = nk_ttULONG(data+index_map+16+mid*12+4); - if ((nk_uint) unicode_codepoint < start_char) - high = mid; - else if ((nk_uint) unicode_codepoint > end_char) - low = mid+1; - else { - nk_uint start_glyph = nk_ttULONG(data+index_map+16+mid*12+8); - if (format == 12) - return (int)start_glyph + (int)unicode_codepoint - (int)start_char; - else /* format == 13 */ - return (int)start_glyph; - } - } - return 0; /* not found */ - } - /* @TODO */ - NK_ASSERT(0); - return 0; -} - -NK_INTERN void -nk_tt_setvertex(struct nk_tt_vertex *v, nk_byte type, nk_int x, nk_int y, nk_int cx, nk_int cy) -{ - v->type = type; - v->x = (nk_short) x; - v->y = (nk_short) y; - v->cx = (nk_short) cx; - v->cy = (nk_short) cy; -} - -NK_INTERN int -nk_tt__GetGlyfOffset(const struct nk_tt_fontinfo *info, int glyph_index) -{ - int g1,g2; - if (glyph_index >= info->numGlyphs) return -1; /* glyph index out of range */ - if (info->indexToLocFormat >= 2) return -1; /* unknown index->glyph map format */ - - if (info->indexToLocFormat == 0) { - g1 = info->glyf + nk_ttUSHORT(info->data + info->loca + glyph_index * 2) * 2; - g2 = info->glyf + nk_ttUSHORT(info->data + info->loca + glyph_index * 2 + 2) * 2; - } else { - g1 = info->glyf + (int)nk_ttULONG (info->data + info->loca + glyph_index * 4); - g2 = info->glyf + (int)nk_ttULONG (info->data + info->loca + glyph_index * 4 + 4); - } - return g1==g2 ? -1 : g1; /* if length is 0, return -1 */ -} - -NK_INTERN int -nk_tt_GetGlyphBox(const struct nk_tt_fontinfo *info, int glyph_index, - int *x0, int *y0, int *x1, int *y1) -{ - int g = nk_tt__GetGlyfOffset(info, glyph_index); - if (g < 0) return 0; - - if (x0) *x0 = nk_ttSHORT(info->data + g + 2); - if (y0) *y0 = nk_ttSHORT(info->data + g + 4); - if (x1) *x1 = nk_ttSHORT(info->data + g + 6); - if (y1) *y1 = nk_ttSHORT(info->data + g + 8); - return 1; -} - -NK_INTERN int -stbtt__close_shape(struct nk_tt_vertex *vertices, int num_vertices, int was_off, - int start_off, nk_int sx, nk_int sy, nk_int scx, nk_int scy, nk_int cx, nk_int cy) -{ - if (start_off) { - if (was_off) - nk_tt_setvertex(&vertices[num_vertices++], NK_TT_vcurve, (cx+scx)>>1, (cy+scy)>>1, cx,cy); - nk_tt_setvertex(&vertices[num_vertices++], NK_TT_vcurve, sx,sy,scx,scy); - } else { - if (was_off) - nk_tt_setvertex(&vertices[num_vertices++], NK_TT_vcurve,sx,sy,cx,cy); - else - nk_tt_setvertex(&vertices[num_vertices++], NK_TT_vline,sx,sy,0,0); - } - return num_vertices; -} - -NK_INTERN int -nk_tt_GetGlyphShape(const struct nk_tt_fontinfo *info, struct nk_allocator *alloc, - int glyph_index, struct nk_tt_vertex **pvertices) -{ - nk_short numberOfContours; - const nk_byte *endPtsOfContours; - const nk_byte *data = info->data; - struct nk_tt_vertex *vertices=0; - int num_vertices=0; - int g = nk_tt__GetGlyfOffset(info, glyph_index); - *pvertices = 0; - - if (g < 0) return 0; - numberOfContours = nk_ttSHORT(data + g); - if (numberOfContours > 0) { - nk_byte flags=0,flagcount; - nk_int ins, i,j=0,m,n, next_move, was_off=0, off, start_off=0; - nk_int x,y,cx,cy,sx,sy, scx,scy; - const nk_byte *points; - endPtsOfContours = (data + g + 10); - ins = nk_ttUSHORT(data + g + 10 + numberOfContours * 2); - points = data + g + 10 + numberOfContours * 2 + 2 + ins; - - n = 1+nk_ttUSHORT(endPtsOfContours + numberOfContours*2-2); - m = n + 2*numberOfContours; /* a loose bound on how many vertices we might need */ - vertices = (struct nk_tt_vertex *)alloc->alloc(alloc->userdata, 0, (nk_size)m * sizeof(vertices[0])); - if (vertices == 0) - return 0; - - next_move = 0; - flagcount=0; - - /* in first pass, we load uninterpreted data into the allocated array */ - /* above, shifted to the end of the array so we won't overwrite it when */ - /* we create our final data starting from the front */ - off = m - n; /* starting offset for uninterpreted data, regardless of how m ends up being calculated */ - - /* first load flags */ - for (i=0; i < n; ++i) { - if (flagcount == 0) { - flags = *points++; - if (flags & 8) - flagcount = *points++; - } else --flagcount; - vertices[off+i].type = flags; - } - - /* now load x coordinates */ - x=0; - for (i=0; i < n; ++i) { - flags = vertices[off+i].type; - if (flags & 2) { - nk_short dx = *points++; - x += (flags & 16) ? dx : -dx; /* ??? */ - } else { - if (!(flags & 16)) { - x = x + (nk_short) (points[0]*256 + points[1]); - points += 2; - } - } - vertices[off+i].x = (nk_short) x; - } - - /* now load y coordinates */ - y=0; - for (i=0; i < n; ++i) { - flags = vertices[off+i].type; - if (flags & 4) { - nk_short dy = *points++; - y += (flags & 32) ? dy : -dy; /* ??? */ - } else { - if (!(flags & 32)) { - y = y + (nk_short) (points[0]*256 + points[1]); - points += 2; - } - } - vertices[off+i].y = (nk_short) y; - } - - /* now convert them to our format */ - num_vertices=0; - sx = sy = cx = cy = scx = scy = 0; - for (i=0; i < n; ++i) - { - flags = vertices[off+i].type; - x = (nk_short) vertices[off+i].x; - y = (nk_short) vertices[off+i].y; - - if (next_move == i) { - if (i != 0) - num_vertices = stbtt__close_shape(vertices, num_vertices, was_off, start_off, sx,sy,scx,scy,cx,cy); - - /* now start the new one */ - start_off = !(flags & 1); - if (start_off) { - /* if we start off with an off-curve point, then when we need to find a point on the curve */ - /* where we can start, and we need to save some state for when we wraparound. */ - scx = x; - scy = y; - if (!(vertices[off+i+1].type & 1)) { - /* next point is also a curve point, so interpolate an on-point curve */ - sx = (x + (nk_int) vertices[off+i+1].x) >> 1; - sy = (y + (nk_int) vertices[off+i+1].y) >> 1; - } else { - /* otherwise just use the next point as our start point */ - sx = (nk_int) vertices[off+i+1].x; - sy = (nk_int) vertices[off+i+1].y; - ++i; /* we're using point i+1 as the starting point, so skip it */ - } - } else { - sx = x; - sy = y; - } - nk_tt_setvertex(&vertices[num_vertices++], NK_TT_vmove,sx,sy,0,0); - was_off = 0; - next_move = 1 + nk_ttUSHORT(endPtsOfContours+j*2); - ++j; - } else { - if (!(flags & 1)) - { /* if it's a curve */ - if (was_off) /* two off-curve control points in a row means interpolate an on-curve midpoint */ - nk_tt_setvertex(&vertices[num_vertices++], NK_TT_vcurve, (cx+x)>>1, (cy+y)>>1, cx, cy); - cx = x; - cy = y; - was_off = 1; - } else { - if (was_off) - nk_tt_setvertex(&vertices[num_vertices++], NK_TT_vcurve, x,y, cx, cy); - else nk_tt_setvertex(&vertices[num_vertices++], NK_TT_vline, x,y,0,0); - was_off = 0; - } - } - } - num_vertices = stbtt__close_shape(vertices, num_vertices, was_off, start_off, sx,sy,scx,scy,cx,cy); - } else if (numberOfContours == -1) { - /* Compound shapes. */ - int more = 1; - const nk_byte *comp = data + g + 10; - num_vertices = 0; - vertices = 0; - - while (more) - { - nk_ushort flags, gidx; - int comp_num_verts = 0, i; - struct nk_tt_vertex *comp_verts = 0, *tmp = 0; - float mtx[6] = {1,0,0,1,0,0}, m, n; - - flags = (nk_ushort)nk_ttSHORT(comp); comp+=2; - gidx = (nk_ushort)nk_ttSHORT(comp); comp+=2; - - if (flags & 2) { /* XY values */ - if (flags & 1) { /* shorts */ - mtx[4] = nk_ttSHORT(comp); comp+=2; - mtx[5] = nk_ttSHORT(comp); comp+=2; - } else { - mtx[4] = nk_ttCHAR(comp); comp+=1; - mtx[5] = nk_ttCHAR(comp); comp+=1; - } - } else { - /* @TODO handle matching point */ - NK_ASSERT(0); - } - if (flags & (1<<3)) { /* WE_HAVE_A_SCALE */ - mtx[0] = mtx[3] = nk_ttSHORT(comp)/16384.0f; comp+=2; - mtx[1] = mtx[2] = 0; - } else if (flags & (1<<6)) { /* WE_HAVE_AN_X_AND_YSCALE */ - mtx[0] = nk_ttSHORT(comp)/16384.0f; comp+=2; - mtx[1] = mtx[2] = 0; - mtx[3] = nk_ttSHORT(comp)/16384.0f; comp+=2; - } else if (flags & (1<<7)) { /* WE_HAVE_A_TWO_BY_TWO */ - mtx[0] = nk_ttSHORT(comp)/16384.0f; comp+=2; - mtx[1] = nk_ttSHORT(comp)/16384.0f; comp+=2; - mtx[2] = nk_ttSHORT(comp)/16384.0f; comp+=2; - mtx[3] = nk_ttSHORT(comp)/16384.0f; comp+=2; - } - - /* Find transformation scales. */ - m = (float) NK_SQRT(mtx[0]*mtx[0] + mtx[1]*mtx[1]); - n = (float) NK_SQRT(mtx[2]*mtx[2] + mtx[3]*mtx[3]); - - /* Get indexed glyph. */ - comp_num_verts = nk_tt_GetGlyphShape(info, alloc, gidx, &comp_verts); - if (comp_num_verts > 0) - { - /* Transform vertices. */ - for (i = 0; i < comp_num_verts; ++i) { - struct nk_tt_vertex* v = &comp_verts[i]; - short x,y; - x=v->x; y=v->y; - v->x = (short)(m * (mtx[0]*x + mtx[2]*y + mtx[4])); - v->y = (short)(n * (mtx[1]*x + mtx[3]*y + mtx[5])); - x=v->cx; y=v->cy; - v->cx = (short)(m * (mtx[0]*x + mtx[2]*y + mtx[4])); - v->cy = (short)(n * (mtx[1]*x + mtx[3]*y + mtx[5])); - } - /* Append vertices. */ - tmp = (struct nk_tt_vertex*)alloc->alloc(alloc->userdata, 0, - (nk_size)(num_vertices+comp_num_verts)*sizeof(struct nk_tt_vertex)); - if (!tmp) { - if (vertices) alloc->free(alloc->userdata, vertices); - if (comp_verts) alloc->free(alloc->userdata, comp_verts); - return 0; - } - if (num_vertices > 0) NK_MEMCPY(tmp, vertices, (nk_size)num_vertices*sizeof(struct nk_tt_vertex)); - NK_MEMCPY(tmp+num_vertices, comp_verts, (nk_size)comp_num_verts*sizeof(struct nk_tt_vertex)); - if (vertices) alloc->free(alloc->userdata,vertices); - vertices = tmp; - alloc->free(alloc->userdata,comp_verts); - num_vertices += comp_num_verts; - } - /* More components ? */ - more = flags & (1<<5); - } - } else if (numberOfContours < 0) { - /* @TODO other compound variations? */ - NK_ASSERT(0); - } else { - /* numberOfCounters == 0, do nothing */ - } - *pvertices = vertices; - return num_vertices; -} - -NK_INTERN void -nk_tt_GetGlyphHMetrics(const struct nk_tt_fontinfo *info, int glyph_index, - int *advanceWidth, int *leftSideBearing) -{ - nk_ushort numOfLongHorMetrics = nk_ttUSHORT(info->data+info->hhea + 34); - if (glyph_index < numOfLongHorMetrics) { - if (advanceWidth) - *advanceWidth = nk_ttSHORT(info->data + info->hmtx + 4*glyph_index); - if (leftSideBearing) - *leftSideBearing = nk_ttSHORT(info->data + info->hmtx + 4*glyph_index + 2); - } else { - if (advanceWidth) - *advanceWidth = nk_ttSHORT(info->data + info->hmtx + 4*(numOfLongHorMetrics-1)); - if (leftSideBearing) - *leftSideBearing = nk_ttSHORT(info->data + info->hmtx + 4*numOfLongHorMetrics + 2*(glyph_index - numOfLongHorMetrics)); - } -} - -NK_INTERN void -nk_tt_GetFontVMetrics(const struct nk_tt_fontinfo *info, - int *ascent, int *descent, int *lineGap) -{ - if (ascent ) *ascent = nk_ttSHORT(info->data+info->hhea + 4); - if (descent) *descent = nk_ttSHORT(info->data+info->hhea + 6); - if (lineGap) *lineGap = nk_ttSHORT(info->data+info->hhea + 8); -} - -NK_INTERN float -nk_tt_ScaleForPixelHeight(const struct nk_tt_fontinfo *info, float height) -{ - int fheight = nk_ttSHORT(info->data + info->hhea + 4) - nk_ttSHORT(info->data + info->hhea + 6); - return (float) height / (float)fheight; -} - -NK_INTERN float -nk_tt_ScaleForMappingEmToPixels(const struct nk_tt_fontinfo *info, float pixels) -{ - int unitsPerEm = nk_ttUSHORT(info->data + info->head + 18); - return pixels / (float)unitsPerEm; -} - -/*------------------------------------------------------------- - * antialiasing software rasterizer - * --------------------------------------------------------------*/ -NK_INTERN void -nk_tt_GetGlyphBitmapBoxSubpixel(const struct nk_tt_fontinfo *font, - int glyph, float scale_x, float scale_y,float shift_x, float shift_y, - int *ix0, int *iy0, int *ix1, int *iy1) -{ - int x0,y0,x1,y1; - if (!nk_tt_GetGlyphBox(font, glyph, &x0,&y0,&x1,&y1)) { - /* e.g. space character */ - if (ix0) *ix0 = 0; - if (iy0) *iy0 = 0; - if (ix1) *ix1 = 0; - if (iy1) *iy1 = 0; - } else { - /* move to integral bboxes (treating pixels as little squares, what pixels get touched)? */ - if (ix0) *ix0 = nk_ifloor((float)x0 * scale_x + shift_x); - if (iy0) *iy0 = nk_ifloor((float)-y1 * scale_y + shift_y); - if (ix1) *ix1 = nk_iceil ((float)x1 * scale_x + shift_x); - if (iy1) *iy1 = nk_iceil ((float)-y0 * scale_y + shift_y); - } -} - -NK_INTERN void -nk_tt_GetGlyphBitmapBox(const struct nk_tt_fontinfo *font, int glyph, - float scale_x, float scale_y, int *ix0, int *iy0, int *ix1, int *iy1) -{ - nk_tt_GetGlyphBitmapBoxSubpixel(font, glyph, scale_x, scale_y,0.0f,0.0f, ix0, iy0, ix1, iy1); -} - -/*------------------------------------------------------------- - * Rasterizer - * --------------------------------------------------------------*/ -NK_INTERN void* -nk_tt__hheap_alloc(struct nk_tt__hheap *hh, nk_size size) -{ - if (hh->first_free) { - void *p = hh->first_free; - hh->first_free = * (void **) p; - return p; - } else { - if (hh->num_remaining_in_head_chunk == 0) { - int count = (size < 32 ? 2000 : size < 128 ? 800 : 100); - struct nk_tt__hheap_chunk *c = (struct nk_tt__hheap_chunk *) - hh->alloc.alloc(hh->alloc.userdata, 0, - sizeof(struct nk_tt__hheap_chunk) + size * (nk_size)count); - if (c == 0) return 0; - c->next = hh->head; - hh->head = c; - hh->num_remaining_in_head_chunk = count; - } - --hh->num_remaining_in_head_chunk; - return (char *) (hh->head) + size * (nk_size)hh->num_remaining_in_head_chunk; - } -} - -NK_INTERN void -nk_tt__hheap_free(struct nk_tt__hheap *hh, void *p) -{ - *(void **) p = hh->first_free; - hh->first_free = p; -} - -NK_INTERN void -nk_tt__hheap_cleanup(struct nk_tt__hheap *hh) -{ - struct nk_tt__hheap_chunk *c = hh->head; - while (c) { - struct nk_tt__hheap_chunk *n = c->next; - hh->alloc.free(hh->alloc.userdata, c); - c = n; - } -} - -NK_INTERN struct nk_tt__active_edge* -nk_tt__new_active(struct nk_tt__hheap *hh, struct nk_tt__edge *e, - int off_x, float start_point) -{ - struct nk_tt__active_edge *z = (struct nk_tt__active_edge *) - nk_tt__hheap_alloc(hh, sizeof(*z)); - float dxdy = (e->x1 - e->x0) / (e->y1 - e->y0); - /*STBTT_assert(e->y0 <= start_point); */ - if (!z) return z; - z->fdx = dxdy; - z->fdy = (1/dxdy); - z->fx = e->x0 + dxdy * (start_point - e->y0); - z->fx -= (float)off_x; - z->direction = e->invert ? 1.0f : -1.0f; - z->sy = e->y0; - z->ey = e->y1; - z->next = 0; - return z; -} - -NK_INTERN void -nk_tt__handle_clipped_edge(float *scanline, int x, struct nk_tt__active_edge *e, - float x0, float y0, float x1, float y1) -{ - if (y0 == y1) return; - NK_ASSERT(y0 < y1); - NK_ASSERT(e->sy <= e->ey); - if (y0 > e->ey) return; - if (y1 < e->sy) return; - if (y0 < e->sy) { - x0 += (x1-x0) * (e->sy - y0) / (y1-y0); - y0 = e->sy; - } - if (y1 > e->ey) { - x1 += (x1-x0) * (e->ey - y1) / (y1-y0); - y1 = e->ey; - } - - if (x0 == x) NK_ASSERT(x1 <= x+1); - else if (x0 == x+1) NK_ASSERT(x1 >= x); - else if (x0 <= x) NK_ASSERT(x1 <= x); - else if (x0 >= x+1) NK_ASSERT(x1 >= x+1); - else NK_ASSERT(x1 >= x && x1 <= x+1); - - if (x0 <= x && x1 <= x) - scanline[x] += e->direction * (y1-y0); - else if (x0 >= x+1 && x1 >= x+1); - else { - NK_ASSERT(x0 >= x && x0 <= x+1 && x1 >= x && x1 <= x+1); - /* coverage = 1 - average x position */ - scanline[x] += (float)e->direction * (float)(y1-y0) * (1.0f-((x0-(float)x)+(x1-(float)x))/2.0f); - } -} - -NK_INTERN void -nk_tt__fill_active_edges_new(float *scanline, float *scanline_fill, int len, - struct nk_tt__active_edge *e, float y_top) -{ - float y_bottom = y_top+1; - while (e) - { - /* brute force every pixel */ - /* compute intersection points with top & bottom */ - NK_ASSERT(e->ey >= y_top); - if (e->fdx == 0) { - float x0 = e->fx; - if (x0 < len) { - if (x0 >= 0) { - nk_tt__handle_clipped_edge(scanline,(int) x0,e, x0,y_top, x0,y_bottom); - nk_tt__handle_clipped_edge(scanline_fill-1,(int) x0+1,e, x0,y_top, x0,y_bottom); - } else { - nk_tt__handle_clipped_edge(scanline_fill-1,0,e, x0,y_top, x0,y_bottom); - } - } - } else { - float x0 = e->fx; - float dx = e->fdx; - float xb = x0 + dx; - float x_top, x_bottom; - float y0,y1; - float dy = e->fdy; - NK_ASSERT(e->sy <= y_bottom && e->ey >= y_top); - - /* compute endpoints of line segment clipped to this scanline (if the */ - /* line segment starts on this scanline. x0 is the intersection of the */ - /* line with y_top, but that may be off the line segment. */ - if (e->sy > y_top) { - x_top = x0 + dx * (e->sy - y_top); - y0 = e->sy; - } else { - x_top = x0; - y0 = y_top; - } - - if (e->ey < y_bottom) { - x_bottom = x0 + dx * (e->ey - y_top); - y1 = e->ey; - } else { - x_bottom = xb; - y1 = y_bottom; - } - - if (x_top >= 0 && x_bottom >= 0 && x_top < len && x_bottom < len) - { - /* from here on, we don't have to range check x values */ - if ((int) x_top == (int) x_bottom) { - float height; - /* simple case, only spans one pixel */ - int x = (int) x_top; - height = y1 - y0; - NK_ASSERT(x >= 0 && x < len); - scanline[x] += e->direction * (1.0f-(((float)x_top - (float)x) + ((float)x_bottom-(float)x))/2.0f) * (float)height; - scanline_fill[x] += e->direction * (float)height; /* everything right of this pixel is filled */ - } else { - int x,x1,x2; - float y_crossing, step, sign, area; - /* covers 2+ pixels */ - if (x_top > x_bottom) - { - /* flip scanline vertically; signed area is the same */ - float t; - y0 = y_bottom - (y0 - y_top); - y1 = y_bottom - (y1 - y_top); - t = y0, y0 = y1, y1 = t; - t = x_bottom, x_bottom = x_top, x_top = t; - dx = -dx; - dy = -dy; - t = x0, x0 = xb, xb = t; - } - - x1 = (int) x_top; - x2 = (int) x_bottom; - /* compute intersection with y axis at x1+1 */ - y_crossing = ((float)x1+1 - (float)x0) * (float)dy + (float)y_top; - - sign = e->direction; - /* area of the rectangle covered from y0..y_crossing */ - area = sign * (y_crossing-y0); - /* area of the triangle (x_top,y0), (x+1,y0), (x+1,y_crossing) */ - scanline[x1] += area * (1.0f-((float)((float)x_top - (float)x1)+(float)(x1+1-x1))/2.0f); - - step = sign * dy; - for (x = x1+1; x < x2; ++x) { - scanline[x] += area + step/2; - area += step; - } - y_crossing += (float)dy * (float)(x2 - (x1+1)); - - scanline[x2] += area + sign * (1.0f-((float)(x2-x2)+((float)x_bottom-(float)x2))/2.0f) * (y1-y_crossing); - scanline_fill[x2] += sign * (y1-y0); - } - } - else - { - /* if edge goes outside of box we're drawing, we require */ - /* clipping logic. since this does not match the intended use */ - /* of this library, we use a different, very slow brute */ - /* force implementation */ - int x; - for (x=0; x < len; ++x) - { - /* cases: */ - /* */ - /* there can be up to two intersections with the pixel. any intersection */ - /* with left or right edges can be handled by splitting into two (or three) */ - /* regions. intersections with top & bottom do not necessitate case-wise logic. */ - /* */ - /* the old way of doing this found the intersections with the left & right edges, */ - /* then used some simple logic to produce up to three segments in sorted order */ - /* from top-to-bottom. however, this had a problem: if an x edge was epsilon */ - /* across the x border, then the corresponding y position might not be distinct */ - /* from the other y segment, and it might ignored as an empty segment. to avoid */ - /* that, we need to explicitly produce segments based on x positions. */ - - /* rename variables to clear pairs */ - float ya = y_top; - float x1 = (float) (x); - float x2 = (float) (x+1); - float x3 = xb; - float y3 = y_bottom; - float yb,y2; - - yb = ((float)x - x0) / dx + y_top; - y2 = ((float)x+1 - x0) / dx + y_top; - - if (x0 < x1 && x3 > x2) { /* three segments descending down-right */ - nk_tt__handle_clipped_edge(scanline,x,e, x0,ya, x1,yb); - nk_tt__handle_clipped_edge(scanline,x,e, x1,yb, x2,y2); - nk_tt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); - } else if (x3 < x1 && x0 > x2) { /* three segments descending down-left */ - nk_tt__handle_clipped_edge(scanline,x,e, x0,ya, x2,y2); - nk_tt__handle_clipped_edge(scanline,x,e, x2,y2, x1,yb); - nk_tt__handle_clipped_edge(scanline,x,e, x1,yb, x3,y3); - } else if (x0 < x1 && x3 > x1) { /* two segments across x, down-right */ - nk_tt__handle_clipped_edge(scanline,x,e, x0,ya, x1,yb); - nk_tt__handle_clipped_edge(scanline,x,e, x1,yb, x3,y3); - } else if (x3 < x1 && x0 > x1) { /* two segments across x, down-left */ - nk_tt__handle_clipped_edge(scanline,x,e, x0,ya, x1,yb); - nk_tt__handle_clipped_edge(scanline,x,e, x1,yb, x3,y3); - } else if (x0 < x2 && x3 > x2) { /* two segments across x+1, down-right */ - nk_tt__handle_clipped_edge(scanline,x,e, x0,ya, x2,y2); - nk_tt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); - } else if (x3 < x2 && x0 > x2) { /* two segments across x+1, down-left */ - nk_tt__handle_clipped_edge(scanline,x,e, x0,ya, x2,y2); - nk_tt__handle_clipped_edge(scanline,x,e, x2,y2, x3,y3); - } else { /* one segment */ - nk_tt__handle_clipped_edge(scanline,x,e, x0,ya, x3,y3); - } - } - } - } - e = e->next; - } -} - -/* directly AA rasterize edges w/o supersampling */ -NK_INTERN void -nk_tt__rasterize_sorted_edges(struct nk_tt__bitmap *result, struct nk_tt__edge *e, - int n, int vsubsample, int off_x, int off_y, struct nk_allocator *alloc) -{ - struct nk_tt__hheap hh; - struct nk_tt__active_edge *active = 0; - int y,j=0, i; - float scanline_data[129], *scanline, *scanline2; - - NK_UNUSED(vsubsample); - nk_zero_struct(hh); - hh.alloc = *alloc; - - if (result->w > 64) - scanline = (float *) alloc->alloc(alloc->userdata,0, (nk_size)(result->w*2+1) * sizeof(float)); - else scanline = scanline_data; - - scanline2 = scanline + result->w; - y = off_y; - e[n].y0 = (float) (off_y + result->h) + 1; - - while (j < result->h) - { - /* find center of pixel for this scanline */ - float scan_y_top = (float)y + 0.0f; - float scan_y_bottom = (float)y + 1.0f; - struct nk_tt__active_edge **step = &active; - - NK_MEMSET(scanline , 0, (nk_size)result->w*sizeof(scanline[0])); - NK_MEMSET(scanline2, 0, (nk_size)(result->w+1)*sizeof(scanline[0])); - - /* update all active edges; */ - /* remove all active edges that terminate before the top of this scanline */ - while (*step) { - struct nk_tt__active_edge * z = *step; - if (z->ey <= scan_y_top) { - *step = z->next; /* delete from list */ - NK_ASSERT(z->direction); - z->direction = 0; - nk_tt__hheap_free(&hh, z); - } else { - step = &((*step)->next); /* advance through list */ - } - } - - /* insert all edges that start before the bottom of this scanline */ - while (e->y0 <= scan_y_bottom) { - if (e->y0 != e->y1) { - struct nk_tt__active_edge *z = nk_tt__new_active(&hh, e, off_x, scan_y_top); - if (z != 0) { - NK_ASSERT(z->ey >= scan_y_top); - /* insert at front */ - z->next = active; - active = z; - } - } - ++e; - } - - /* now process all active edges */ - if (active) - nk_tt__fill_active_edges_new(scanline, scanline2+1, result->w, active, scan_y_top); - - { - float sum = 0; - for (i=0; i < result->w; ++i) { - float k; - int m; - sum += scanline2[i]; - k = scanline[i] + sum; - k = (float) NK_ABS(k) * 255.0f + 0.5f; - m = (int) k; - if (m > 255) m = 255; - result->pixels[j*result->stride + i] = (unsigned char) m; - } - } - /* advance all the edges */ - step = &active; - while (*step) { - struct nk_tt__active_edge *z = *step; - z->fx += z->fdx; /* advance to position for current scanline */ - step = &((*step)->next); /* advance through list */ - } - ++y; - ++j; - } - nk_tt__hheap_cleanup(&hh); - if (scanline != scanline_data) - alloc->free(alloc->userdata, scanline); -} - -#define NK_TT__COMPARE(a,b) ((a)->y0 < (b)->y0) -NK_INTERN void -nk_tt__sort_edges_ins_sort(struct nk_tt__edge *p, int n) -{ - int i,j; - for (i=1; i < n; ++i) { - struct nk_tt__edge t = p[i], *a = &t; - j = i; - while (j > 0) { - struct nk_tt__edge *b = &p[j-1]; - int c = NK_TT__COMPARE(a,b); - if (!c) break; - p[j] = p[j-1]; - --j; - } - if (i != j) - p[j] = t; - } -} - -NK_INTERN void -nk_tt__sort_edges_quicksort(struct nk_tt__edge *p, int n) -{ - /* threshold for transitioning to insertion sort */ - while (n > 12) { - struct nk_tt__edge t; - int c01,c12,c,m,i,j; - - /* compute median of three */ - m = n >> 1; - c01 = NK_TT__COMPARE(&p[0],&p[m]); - c12 = NK_TT__COMPARE(&p[m],&p[n-1]); - - /* if 0 >= mid >= end, or 0 < mid < end, then use mid */ - if (c01 != c12) { - /* otherwise, we'll need to swap something else to middle */ - int z; - c = NK_TT__COMPARE(&p[0],&p[n-1]); - /* 0>mid && midn => n; 0 0 */ - /* 0n: 0>n => 0; 0 n */ - z = (c == c12) ? 0 : n-1; - t = p[z]; - p[z] = p[m]; - p[m] = t; - } - - /* now p[m] is the median-of-three */ - /* swap it to the beginning so it won't move around */ - t = p[0]; - p[0] = p[m]; - p[m] = t; - - /* partition loop */ - i=1; - j=n-1; - for(;;) { - /* handling of equality is crucial here */ - /* for sentinels & efficiency with duplicates */ - for (;;++i) { - if (!NK_TT__COMPARE(&p[i], &p[0])) break; - } - for (;;--j) { - if (!NK_TT__COMPARE(&p[0], &p[j])) break; - } - - /* make sure we haven't crossed */ - if (i >= j) break; - t = p[i]; - p[i] = p[j]; - p[j] = t; - - ++i; - --j; - - } - - /* recurse on smaller side, iterate on larger */ - if (j < (n-i)) { - nk_tt__sort_edges_quicksort(p,j); - p = p+i; - n = n-i; - } else { - nk_tt__sort_edges_quicksort(p+i, n-i); - n = j; - } - } -} - -NK_INTERN void -nk_tt__sort_edges(struct nk_tt__edge *p, int n) -{ - nk_tt__sort_edges_quicksort(p, n); - nk_tt__sort_edges_ins_sort(p, n); -} - -NK_INTERN void -nk_tt__rasterize(struct nk_tt__bitmap *result, struct nk_tt__point *pts, - int *wcount, int windings, float scale_x, float scale_y, - float shift_x, float shift_y, int off_x, int off_y, int invert, - struct nk_allocator *alloc) -{ - float y_scale_inv = invert ? -scale_y : scale_y; - struct nk_tt__edge *e; - int n,i,j,k,m; - int vsubsample = 1; - /* vsubsample should divide 255 evenly; otherwise we won't reach full opacity */ - - /* now we have to blow out the windings into explicit edge lists */ - n = 0; - for (i=0; i < windings; ++i) - n += wcount[i]; - - e = (struct nk_tt__edge*) - alloc->alloc(alloc->userdata, 0,(sizeof(*e) * (nk_size)(n+1))); - if (e == 0) return; - n = 0; - - m=0; - for (i=0; i < windings; ++i) - { - struct nk_tt__point *p = pts + m; - m += wcount[i]; - j = wcount[i]-1; - for (k=0; k < wcount[i]; j=k++) { - int a=k,b=j; - /* skip the edge if horizontal */ - if (p[j].y == p[k].y) - continue; - - /* add edge from j to k to the list */ - e[n].invert = 0; - if (invert ? p[j].y > p[k].y : p[j].y < p[k].y) { - e[n].invert = 1; - a=j,b=k; - } - e[n].x0 = p[a].x * scale_x + shift_x; - e[n].y0 = (p[a].y * y_scale_inv + shift_y) * (float)vsubsample; - e[n].x1 = p[b].x * scale_x + shift_x; - e[n].y1 = (p[b].y * y_scale_inv + shift_y) * (float)vsubsample; - ++n; - } - } - - /* now sort the edges by their highest point (should snap to integer, and then by x) */ - /*STBTT_sort(e, n, sizeof(e[0]), stbtt__edge_compare); */ - nk_tt__sort_edges(e, n); - /* now, traverse the scanlines and find the intersections on each scanline, use xor winding rule */ - nk_tt__rasterize_sorted_edges(result, e, n, vsubsample, off_x, off_y, alloc); - alloc->free(alloc->userdata, e); -} - -NK_INTERN void -nk_tt__add_point(struct nk_tt__point *points, int n, float x, float y) -{ - if (!points) return; /* during first pass, it's unallocated */ - points[n].x = x; - points[n].y = y; -} - -NK_INTERN int -nk_tt__tesselate_curve(struct nk_tt__point *points, int *num_points, - float x0, float y0, float x1, float y1, float x2, float y2, - float objspace_flatness_squared, int n) -{ - /* tesselate until threshold p is happy... - * @TODO warped to compensate for non-linear stretching */ - /* midpoint */ - float mx = (x0 + 2*x1 + x2)/4; - float my = (y0 + 2*y1 + y2)/4; - /* versus directly drawn line */ - float dx = (x0+x2)/2 - mx; - float dy = (y0+y2)/2 - my; - if (n > 16) /* 65536 segments on one curve better be enough! */ - return 1; - - /* half-pixel error allowed... need to be smaller if AA */ - if (dx*dx+dy*dy > objspace_flatness_squared) { - nk_tt__tesselate_curve(points, num_points, x0,y0, - (x0+x1)/2.0f,(y0+y1)/2.0f, mx,my, objspace_flatness_squared,n+1); - nk_tt__tesselate_curve(points, num_points, mx,my, - (x1+x2)/2.0f,(y1+y2)/2.0f, x2,y2, objspace_flatness_squared,n+1); - } else { - nk_tt__add_point(points, *num_points,x2,y2); - *num_points = *num_points+1; - } - return 1; -} - -/* returns number of contours */ -NK_INTERN struct nk_tt__point* -nk_tt_FlattenCurves(struct nk_tt_vertex *vertices, int num_verts, - float objspace_flatness, int **contour_lengths, int *num_contours, - struct nk_allocator *alloc) -{ - struct nk_tt__point *points=0; - int num_points=0; - float objspace_flatness_squared = objspace_flatness * objspace_flatness; - int i; - int n=0; - int start=0; - int pass; - - /* count how many "moves" there are to get the contour count */ - for (i=0; i < num_verts; ++i) - if (vertices[i].type == NK_TT_vmove) ++n; - - *num_contours = n; - if (n == 0) return 0; - - *contour_lengths = (int *) - alloc->alloc(alloc->userdata,0, (sizeof(**contour_lengths) * (nk_size)n)); - if (*contour_lengths == 0) { - *num_contours = 0; - return 0; - } - - /* make two passes through the points so we don't need to realloc */ - for (pass=0; pass < 2; ++pass) - { - float x=0,y=0; - if (pass == 1) { - points = (struct nk_tt__point *) - alloc->alloc(alloc->userdata,0, (nk_size)num_points * sizeof(points[0])); - if (points == 0) goto error; - } - num_points = 0; - n= -1; - - for (i=0; i < num_verts; ++i) - { - switch (vertices[i].type) { - case NK_TT_vmove: - /* start the next contour */ - if (n >= 0) - (*contour_lengths)[n] = num_points - start; - ++n; - start = num_points; - - x = vertices[i].x, y = vertices[i].y; - nk_tt__add_point(points, num_points++, x,y); - break; - case NK_TT_vline: - x = vertices[i].x, y = vertices[i].y; - nk_tt__add_point(points, num_points++, x, y); - break; - case NK_TT_vcurve: - nk_tt__tesselate_curve(points, &num_points, x,y, - vertices[i].cx, vertices[i].cy, - vertices[i].x, vertices[i].y, - objspace_flatness_squared, 0); - x = vertices[i].x, y = vertices[i].y; - break; - default: break; - } - } - (*contour_lengths)[n] = num_points - start; - } - return points; - -error: - alloc->free(alloc->userdata, points); - alloc->free(alloc->userdata, *contour_lengths); - *contour_lengths = 0; - *num_contours = 0; - return 0; -} - -NK_INTERN void -nk_tt_Rasterize(struct nk_tt__bitmap *result, float flatness_in_pixels, - struct nk_tt_vertex *vertices, int num_verts, - float scale_x, float scale_y, float shift_x, float shift_y, - int x_off, int y_off, int invert, struct nk_allocator *alloc) -{ - float scale = scale_x > scale_y ? scale_y : scale_x; - int winding_count, *winding_lengths; - struct nk_tt__point *windings = nk_tt_FlattenCurves(vertices, num_verts, - flatness_in_pixels / scale, &winding_lengths, &winding_count, alloc); - - NK_ASSERT(alloc); - if (windings) { - nk_tt__rasterize(result, windings, winding_lengths, winding_count, - scale_x, scale_y, shift_x, shift_y, x_off, y_off, invert, alloc); - alloc->free(alloc->userdata, winding_lengths); - alloc->free(alloc->userdata, windings); - } -} - -NK_INTERN void -nk_tt_MakeGlyphBitmapSubpixel(const struct nk_tt_fontinfo *info, unsigned char *output, - int out_w, int out_h, int out_stride, float scale_x, float scale_y, - float shift_x, float shift_y, int glyph, struct nk_allocator *alloc) -{ - int ix0,iy0; - struct nk_tt_vertex *vertices; - int num_verts = nk_tt_GetGlyphShape(info, alloc, glyph, &vertices); - struct nk_tt__bitmap gbm; - - nk_tt_GetGlyphBitmapBoxSubpixel(info, glyph, scale_x, scale_y, shift_x, - shift_y, &ix0,&iy0,0,0); - gbm.pixels = output; - gbm.w = out_w; - gbm.h = out_h; - gbm.stride = out_stride; - - if (gbm.w && gbm.h) - nk_tt_Rasterize(&gbm, 0.35f, vertices, num_verts, scale_x, scale_y, - shift_x, shift_y, ix0,iy0, 1, alloc); - alloc->free(alloc->userdata, vertices); -} - -/*------------------------------------------------------------- - * Bitmap baking - * --------------------------------------------------------------*/ -NK_INTERN int -nk_tt_PackBegin(struct nk_tt_pack_context *spc, unsigned char *pixels, - int pw, int ph, int stride_in_bytes, int padding, struct nk_allocator *alloc) -{ - int num_nodes = pw - padding; - struct nk_rp_context *context = (struct nk_rp_context *) - alloc->alloc(alloc->userdata,0, sizeof(*context)); - struct nk_rp_node *nodes = (struct nk_rp_node*) - alloc->alloc(alloc->userdata,0, (sizeof(*nodes ) * (nk_size)num_nodes)); - - if (context == 0 || nodes == 0) { - if (context != 0) alloc->free(alloc->userdata, context); - if (nodes != 0) alloc->free(alloc->userdata, nodes); - return 0; - } - - spc->width = pw; - spc->height = ph; - spc->pixels = pixels; - spc->pack_info = context; - spc->nodes = nodes; - spc->padding = padding; - spc->stride_in_bytes = (stride_in_bytes != 0) ? stride_in_bytes : pw; - spc->h_oversample = 1; - spc->v_oversample = 1; - - nk_rp_init_target(context, pw-padding, ph-padding, nodes, num_nodes); - if (pixels) - NK_MEMSET(pixels, 0, (nk_size)(pw*ph)); /* background of 0 around pixels */ - return 1; -} - -NK_INTERN void -nk_tt_PackEnd(struct nk_tt_pack_context *spc, struct nk_allocator *alloc) -{ - alloc->free(alloc->userdata, spc->nodes); - alloc->free(alloc->userdata, spc->pack_info); -} - -NK_INTERN void -nk_tt_PackSetOversampling(struct nk_tt_pack_context *spc, - unsigned int h_oversample, unsigned int v_oversample) -{ - NK_ASSERT(h_oversample <= NK_TT_MAX_OVERSAMPLE); - NK_ASSERT(v_oversample <= NK_TT_MAX_OVERSAMPLE); - if (h_oversample <= NK_TT_MAX_OVERSAMPLE) - spc->h_oversample = h_oversample; - if (v_oversample <= NK_TT_MAX_OVERSAMPLE) - spc->v_oversample = v_oversample; -} - -NK_INTERN void -nk_tt__h_prefilter(unsigned char *pixels, int w, int h, int stride_in_bytes, - int kernel_width) -{ - unsigned char buffer[NK_TT_MAX_OVERSAMPLE]; - int safe_w = w - kernel_width; - int j; - - for (j=0; j < h; ++j) - { - int i; - unsigned int total; - NK_MEMSET(buffer, 0, (nk_size)kernel_width); - - total = 0; - - /* make kernel_width a constant in common cases so compiler can optimize out the divide */ - switch (kernel_width) { - case 2: - for (i=0; i <= safe_w; ++i) { - total += (unsigned int)(pixels[i] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i]; - pixels[i] = (unsigned char) (total / 2); - } - break; - case 3: - for (i=0; i <= safe_w; ++i) { - total += (unsigned int)(pixels[i] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i]; - pixels[i] = (unsigned char) (total / 3); - } - break; - case 4: - for (i=0; i <= safe_w; ++i) { - total += (unsigned int)pixels[i] - buffer[i & NK_TT__OVER_MASK]; - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i]; - pixels[i] = (unsigned char) (total / 4); - } - break; - case 5: - for (i=0; i <= safe_w; ++i) { - total += (unsigned int)(pixels[i] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i]; - pixels[i] = (unsigned char) (total / 5); - } - break; - default: - for (i=0; i <= safe_w; ++i) { - total += (unsigned int)(pixels[i] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i]; - pixels[i] = (unsigned char) (total / (unsigned int)kernel_width); - } - break; - } - - for (; i < w; ++i) { - NK_ASSERT(pixels[i] == 0); - total -= (unsigned int)(buffer[i & NK_TT__OVER_MASK]); - pixels[i] = (unsigned char) (total / (unsigned int)kernel_width); - } - pixels += stride_in_bytes; - } -} - -NK_INTERN void -nk_tt__v_prefilter(unsigned char *pixels, int w, int h, int stride_in_bytes, - int kernel_width) -{ - unsigned char buffer[NK_TT_MAX_OVERSAMPLE]; - int safe_h = h - kernel_width; - int j; - - for (j=0; j < w; ++j) - { - int i; - unsigned int total; - NK_MEMSET(buffer, 0, (nk_size)kernel_width); - - total = 0; - - /* make kernel_width a constant in common cases so compiler can optimize out the divide */ - switch (kernel_width) { - case 2: - for (i=0; i <= safe_h; ++i) { - total += (unsigned int)(pixels[i*stride_in_bytes] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i*stride_in_bytes]; - pixels[i*stride_in_bytes] = (unsigned char) (total / 2); - } - break; - case 3: - for (i=0; i <= safe_h; ++i) { - total += (unsigned int)(pixels[i*stride_in_bytes] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i*stride_in_bytes]; - pixels[i*stride_in_bytes] = (unsigned char) (total / 3); - } - break; - case 4: - for (i=0; i <= safe_h; ++i) { - total += (unsigned int)(pixels[i*stride_in_bytes] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i*stride_in_bytes]; - pixels[i*stride_in_bytes] = (unsigned char) (total / 4); - } - break; - case 5: - for (i=0; i <= safe_h; ++i) { - total += (unsigned int)(pixels[i*stride_in_bytes] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i*stride_in_bytes]; - pixels[i*stride_in_bytes] = (unsigned char) (total / 5); - } - break; - default: - for (i=0; i <= safe_h; ++i) { - total += (unsigned int)(pixels[i*stride_in_bytes] - buffer[i & NK_TT__OVER_MASK]); - buffer[(i+kernel_width) & NK_TT__OVER_MASK] = pixels[i*stride_in_bytes]; - pixels[i*stride_in_bytes] = (unsigned char) (total / (unsigned int)kernel_width); - } - break; - } - - for (; i < h; ++i) { - NK_ASSERT(pixels[i*stride_in_bytes] == 0); - total -= (unsigned int)(buffer[i & NK_TT__OVER_MASK]); - pixels[i*stride_in_bytes] = (unsigned char) (total / (unsigned int)kernel_width); - } - pixels += 1; - } -} - -NK_INTERN float -nk_tt__oversample_shift(int oversample) -{ - if (!oversample) - return 0.0f; - - /* The prefilter is a box filter of width "oversample", */ - /* which shifts phase by (oversample - 1)/2 pixels in */ - /* oversampled space. We want to shift in the opposite */ - /* direction to counter this. */ - return (float)-(oversample - 1) / (2.0f * (float)oversample); -} - -/* rects array must be big enough to accommodate all characters in the given ranges */ -NK_INTERN int -nk_tt_PackFontRangesGatherRects(struct nk_tt_pack_context *spc, - struct nk_tt_fontinfo *info, struct nk_tt_pack_range *ranges, - int num_ranges, struct nk_rp_rect *rects) -{ - int i,j,k; - k = 0; - - for (i=0; i < num_ranges; ++i) { - float fh = ranges[i].font_size; - float scale = (fh > 0) ? nk_tt_ScaleForPixelHeight(info, fh): - nk_tt_ScaleForMappingEmToPixels(info, -fh); - ranges[i].h_oversample = (unsigned char) spc->h_oversample; - ranges[i].v_oversample = (unsigned char) spc->v_oversample; - for (j=0; j < ranges[i].num_chars; ++j) { - int x0,y0,x1,y1; - int codepoint = ranges[i].first_unicode_codepoint_in_range ? - ranges[i].first_unicode_codepoint_in_range + j : - ranges[i].array_of_unicode_codepoints[j]; - - int glyph = nk_tt_FindGlyphIndex(info, codepoint); - nk_tt_GetGlyphBitmapBoxSubpixel(info,glyph, scale * (float)spc->h_oversample, - scale * (float)spc->v_oversample, 0,0, &x0,&y0,&x1,&y1); - rects[k].w = (nk_rp_coord) (x1-x0 + spc->padding + (int)spc->h_oversample-1); - rects[k].h = (nk_rp_coord) (y1-y0 + spc->padding + (int)spc->v_oversample-1); - ++k; - } - } - return k; -} - -NK_INTERN int -nk_tt_PackFontRangesRenderIntoRects(struct nk_tt_pack_context *spc, - struct nk_tt_fontinfo *info, struct nk_tt_pack_range *ranges, - int num_ranges, struct nk_rp_rect *rects, struct nk_allocator *alloc) -{ - int i,j,k, return_value = 1; - /* save current values */ - int old_h_over = (int)spc->h_oversample; - int old_v_over = (int)spc->v_oversample; - /* rects array must be big enough to accommodate all characters in the given ranges */ - - k = 0; - for (i=0; i < num_ranges; ++i) - { - float fh = ranges[i].font_size; - float recip_h,recip_v,sub_x,sub_y; - float scale = fh > 0 ? nk_tt_ScaleForPixelHeight(info, fh): - nk_tt_ScaleForMappingEmToPixels(info, -fh); - - spc->h_oversample = ranges[i].h_oversample; - spc->v_oversample = ranges[i].v_oversample; - - recip_h = 1.0f / (float)spc->h_oversample; - recip_v = 1.0f / (float)spc->v_oversample; - - sub_x = nk_tt__oversample_shift((int)spc->h_oversample); - sub_y = nk_tt__oversample_shift((int)spc->v_oversample); - - for (j=0; j < ranges[i].num_chars; ++j) - { - struct nk_rp_rect *r = &rects[k]; - if (r->was_packed) - { - struct nk_tt_packedchar *bc = &ranges[i].chardata_for_range[j]; - int advance, lsb, x0,y0,x1,y1; - int codepoint = ranges[i].first_unicode_codepoint_in_range ? - ranges[i].first_unicode_codepoint_in_range + j : - ranges[i].array_of_unicode_codepoints[j]; - int glyph = nk_tt_FindGlyphIndex(info, codepoint); - nk_rp_coord pad = (nk_rp_coord) spc->padding; - - /* pad on left and top */ - r->x = (nk_rp_coord)((int)r->x + (int)pad); - r->y = (nk_rp_coord)((int)r->y + (int)pad); - r->w = (nk_rp_coord)((int)r->w - (int)pad); - r->h = (nk_rp_coord)((int)r->h - (int)pad); - - nk_tt_GetGlyphHMetrics(info, glyph, &advance, &lsb); - nk_tt_GetGlyphBitmapBox(info, glyph, scale * (float)spc->h_oversample, - (scale * (float)spc->v_oversample), &x0,&y0,&x1,&y1); - nk_tt_MakeGlyphBitmapSubpixel(info, spc->pixels + r->x + r->y*spc->stride_in_bytes, - (int)(r->w - spc->h_oversample+1), (int)(r->h - spc->v_oversample+1), - spc->stride_in_bytes, scale * (float)spc->h_oversample, - scale * (float)spc->v_oversample, 0,0, glyph, alloc); - - if (spc->h_oversample > 1) - nk_tt__h_prefilter(spc->pixels + r->x + r->y*spc->stride_in_bytes, - r->w, r->h, spc->stride_in_bytes, (int)spc->h_oversample); - - if (spc->v_oversample > 1) - nk_tt__v_prefilter(spc->pixels + r->x + r->y*spc->stride_in_bytes, - r->w, r->h, spc->stride_in_bytes, (int)spc->v_oversample); - - bc->x0 = (nk_ushort) r->x; - bc->y0 = (nk_ushort) r->y; - bc->x1 = (nk_ushort) (r->x + r->w); - bc->y1 = (nk_ushort) (r->y + r->h); - bc->xadvance = scale * (float)advance; - bc->xoff = (float) x0 * recip_h + sub_x; - bc->yoff = (float) y0 * recip_v + sub_y; - bc->xoff2 = ((float)x0 + r->w) * recip_h + sub_x; - bc->yoff2 = ((float)y0 + r->h) * recip_v + sub_y; - } else { - return_value = 0; /* if any fail, report failure */ - } - ++k; - } - } - /* restore original values */ - spc->h_oversample = (unsigned int)old_h_over; - spc->v_oversample = (unsigned int)old_v_over; - return return_value; -} - -NK_INTERN void -nk_tt_GetPackedQuad(struct nk_tt_packedchar *chardata, int pw, int ph, - int char_index, float *xpos, float *ypos, struct nk_tt_aligned_quad *q, - int align_to_integer) -{ - float ipw = 1.0f / (float)pw, iph = 1.0f / (float)ph; - struct nk_tt_packedchar *b = (struct nk_tt_packedchar*)(chardata + char_index); - if (align_to_integer) { - int tx = nk_ifloor((*xpos + b->xoff) + 0.5f); - int ty = nk_ifloor((*ypos + b->yoff) + 0.5f); - - float x = (float)tx; - float y = (float)ty; - - q->x0 = x; - q->y0 = y; - q->x1 = x + b->xoff2 - b->xoff; - q->y1 = y + b->yoff2 - b->yoff; - } else { - q->x0 = *xpos + b->xoff; - q->y0 = *ypos + b->yoff; - q->x1 = *xpos + b->xoff2; - q->y1 = *ypos + b->yoff2; - } - q->s0 = b->x0 * ipw; - q->t0 = b->y0 * iph; - q->s1 = b->x1 * ipw; - q->t1 = b->y1 * iph; - *xpos += b->xadvance; -} - -/* ------------------------------------------------------------- - * - * FONT BAKING - * - * --------------------------------------------------------------*/ -struct nk_font_bake_data { - struct nk_tt_fontinfo info; - struct nk_rp_rect *rects; - struct nk_tt_pack_range *ranges; - nk_rune range_count; -}; - -struct nk_font_baker { - struct nk_allocator alloc; - struct nk_tt_pack_context spc; - struct nk_font_bake_data *build; - struct nk_tt_packedchar *packed_chars; - struct nk_rp_rect *rects; - struct nk_tt_pack_range *ranges; -}; - -NK_GLOBAL const nk_size nk_rect_align = NK_ALIGNOF(struct nk_rp_rect); -NK_GLOBAL const nk_size nk_range_align = NK_ALIGNOF(struct nk_tt_pack_range); -NK_GLOBAL const nk_size nk_char_align = NK_ALIGNOF(struct nk_tt_packedchar); -NK_GLOBAL const nk_size nk_build_align = NK_ALIGNOF(struct nk_font_bake_data); -NK_GLOBAL const nk_size nk_baker_align = NK_ALIGNOF(struct nk_font_baker); - -NK_INTERN int -nk_range_count(const nk_rune *range) -{ - const nk_rune *iter = range; - NK_ASSERT(range); - if (!range) return 0; - while (*(iter++) != 0); - return (iter == range) ? 0 : (int)((iter - range)/2); -} - -NK_INTERN int -nk_range_glyph_count(const nk_rune *range, int count) -{ - int i = 0; - int total_glyphs = 0; - for (i = 0; i < count; ++i) { - int diff; - nk_rune f = range[(i*2)+0]; - nk_rune t = range[(i*2)+1]; - NK_ASSERT(t >= f); - diff = (int)((t - f) + 1); - total_glyphs += diff; - } - return total_glyphs; -} - -NK_API const nk_rune* -nk_font_default_glyph_ranges(void) -{ - NK_STORAGE const nk_rune ranges[] = {0x0020, 0x00FF, 0}; - return ranges; -} - -NK_API const nk_rune* -nk_font_chinese_glyph_ranges(void) -{ - NK_STORAGE const nk_rune ranges[] = { - 0x0020, 0x00FF, - 0x3000, 0x30FF, - 0x31F0, 0x31FF, - 0xFF00, 0xFFEF, - 0x4e00, 0x9FAF, - 0 - }; - return ranges; -} - -NK_API const nk_rune* -nk_font_cyrillic_glyph_ranges(void) -{ - NK_STORAGE const nk_rune ranges[] = { - 0x0020, 0x00FF, - 0x0400, 0x052F, - 0x2DE0, 0x2DFF, - 0xA640, 0xA69F, - 0 - }; - return ranges; -} - -NK_API const nk_rune* -nk_font_korean_glyph_ranges(void) -{ - NK_STORAGE const nk_rune ranges[] = { - 0x0020, 0x00FF, - 0x3131, 0x3163, - 0xAC00, 0xD79D, - 0 - }; - return ranges; -} - -NK_API void -nk_font_bake_memory(nk_size *temp, int *glyph_count, - struct nk_font_config *config, int count) -{ - int i; - int range_count = 0; - NK_ASSERT(config); - NK_ASSERT(glyph_count); - if (!config) { - *temp = 0; - *glyph_count = 0; - return; - } - - *glyph_count = 0; - if (!config->range) - config->range = nk_font_default_glyph_ranges(); - for (i = 0; i < count; ++i) { - range_count += nk_range_count(config[i].range); - *glyph_count += nk_range_glyph_count(config[i].range, range_count); - } - - *temp = (nk_size)*glyph_count * sizeof(struct nk_rp_rect); - *temp += (nk_size)range_count * sizeof(struct nk_tt_pack_range); - *temp += (nk_size)*glyph_count * sizeof(struct nk_tt_packedchar); - *temp += (nk_size)count * sizeof(struct nk_font_bake_data); - *temp += sizeof(struct nk_font_baker); - *temp += nk_rect_align + nk_range_align + nk_char_align; - *temp += nk_build_align + nk_baker_align; -} - -NK_INTERN struct nk_font_baker* -nk_font_baker(void *memory, int glyph_count, int count, struct nk_allocator *alloc) -{ - struct nk_font_baker *baker; - if (!memory) return 0; - /* setup baker inside a memory block */ - baker = (struct nk_font_baker*)NK_ALIGN_PTR(memory, nk_baker_align); - baker->build = (struct nk_font_bake_data*)NK_ALIGN_PTR((baker + 1), nk_build_align); - baker->packed_chars = (struct nk_tt_packedchar*)NK_ALIGN_PTR((baker->build + count), nk_char_align); - baker->rects = (struct nk_rp_rect*)NK_ALIGN_PTR((baker->packed_chars + glyph_count), nk_rect_align); - baker->ranges = (struct nk_tt_pack_range*)NK_ALIGN_PTR((baker->rects + glyph_count), nk_range_align); - baker->alloc = *alloc; - return baker; -} - -NK_API int -nk_font_bake_pack(nk_size *image_memory, int *width, int *height, - struct nk_recti *custom, void *temp, nk_size temp_size, - const struct nk_font_config *config, int count, - struct nk_allocator *alloc) -{ - NK_STORAGE const nk_size max_height = 1024 * 32; - struct nk_font_baker* baker; - int total_glyph_count = 0; - int total_range_count = 0; - int i = 0; - - NK_ASSERT(image_memory); - NK_ASSERT(width); - NK_ASSERT(height); - NK_ASSERT(config); - NK_ASSERT(temp); - NK_ASSERT(temp_size); - NK_ASSERT(count); - NK_ASSERT(alloc); - if (!image_memory || !width || !height || !config || !temp || - !temp_size || !count) return nk_false; - - for (i = 0; i < count; ++i) { - total_range_count += nk_range_count(config[i].range); - total_glyph_count += nk_range_glyph_count(config[i].range, total_range_count); - } - - /* setup font baker from temporary memory */ - nk_zero(temp, temp_size); - baker = nk_font_baker(temp, total_glyph_count, count, alloc); - if (!baker) return nk_false; - for (i = 0; i < count; ++i) { - const struct nk_font_config *cfg = &config[i]; - if (!nk_tt_InitFont(&baker->build[i].info, (const unsigned char*)cfg->ttf_blob, 0)) - return nk_false; - } - - *height = 0; - *width = (total_glyph_count > 1000) ? 1024 : 512; - nk_tt_PackBegin(&baker->spc, 0, (int)*width, (int)max_height, 0, 1, alloc); - { - int input_i = 0; - int range_n = 0; - int rect_n = 0; - int char_n = 0; - - /* pack custom user data first so it will be in the upper left corner*/ - if (custom) { - struct nk_rp_rect custom_space; - nk_zero(&custom_space, sizeof(custom_space)); - custom_space.w = (nk_rp_coord)((custom->w * 2) + 1); - custom_space.h = (nk_rp_coord)(custom->h + 1); - - nk_tt_PackSetOversampling(&baker->spc, 1, 1); - nk_rp_pack_rects((struct nk_rp_context*)baker->spc.pack_info, &custom_space, 1); - *height = NK_MAX(*height, (int)(custom_space.y + custom_space.h)); - - custom->x = (short)custom_space.x; - custom->y = (short)custom_space.y; - custom->w = (short)custom_space.w; - custom->h = (short)custom_space.h; - } - - /* first font pass: pack all glyphs */ - for (input_i = 0; input_i < count; input_i++) { - int n = 0; - const nk_rune *in_range; - const struct nk_font_config *cfg = &config[input_i]; - struct nk_font_bake_data *tmp = &baker->build[input_i]; - int glyph_count; - int range_count; - - /* count glyphs + ranges in current font */ - glyph_count = 0; range_count = 0; - for (in_range = cfg->range; in_range[0] && in_range[1]; in_range += 2) { - glyph_count += (int)(in_range[1] - in_range[0]) + 1; - range_count++; - } - - /* setup ranges */ - tmp->ranges = baker->ranges + range_n; - tmp->range_count = (nk_rune)range_count; - range_n += range_count; - for (i = 0; i < range_count; ++i) { - in_range = &cfg->range[i * 2]; - tmp->ranges[i].font_size = cfg->size; - tmp->ranges[i].first_unicode_codepoint_in_range = (int)in_range[0]; - tmp->ranges[i].num_chars = (int)(in_range[1]- in_range[0]) + 1; - tmp->ranges[i].chardata_for_range = baker->packed_chars + char_n; - char_n += tmp->ranges[i].num_chars; - } - - /* pack */ - tmp->rects = baker->rects + rect_n; - rect_n += glyph_count; - nk_tt_PackSetOversampling(&baker->spc, cfg->oversample_h, cfg->oversample_v); - n = nk_tt_PackFontRangesGatherRects(&baker->spc, &tmp->info, - tmp->ranges, (int)tmp->range_count, tmp->rects); - nk_rp_pack_rects((struct nk_rp_context*)baker->spc.pack_info, tmp->rects, (int)n); - - /* texture height */ - for (i = 0; i < n; ++i) { - if (tmp->rects[i].was_packed) - *height = NK_MAX(*height, tmp->rects[i].y + tmp->rects[i].h); - } - } - NK_ASSERT(rect_n == total_glyph_count); - NK_ASSERT(char_n == total_glyph_count); - NK_ASSERT(range_n == total_range_count); - } - *height = (int)nk_round_up_pow2((nk_uint)*height); - *image_memory = (nk_size)(*width) * (nk_size)(*height); - return nk_true; -} - -NK_API void -nk_font_bake(void *image_memory, int width, int height, - void *temp, nk_size temp_size, struct nk_font_glyph *glyphs, - int glyphs_count, const struct nk_font_config *config, int font_count) -{ - int input_i = 0; - struct nk_font_baker* baker; - nk_rune glyph_n = 0; - - NK_ASSERT(image_memory); - NK_ASSERT(width); - NK_ASSERT(height); - NK_ASSERT(config); - NK_ASSERT(temp); - NK_ASSERT(temp_size); - NK_ASSERT(font_count); - NK_ASSERT(glyphs_count); - if (!image_memory || !width || !height || !config || !temp || - !temp_size || !font_count || !glyphs || !glyphs_count) - return; - - /* second font pass: render glyphs */ - baker = (struct nk_font_baker*)NK_ALIGN_PTR(temp, nk_baker_align); - nk_zero(image_memory, (nk_size)((nk_size)width * (nk_size)height)); - baker->spc.pixels = (unsigned char*)image_memory; - baker->spc.height = (int)height; - for (input_i = 0; input_i < font_count; ++input_i) { - const struct nk_font_config *cfg = &config[input_i]; - struct nk_font_bake_data *tmp = &baker->build[input_i]; - nk_tt_PackSetOversampling(&baker->spc, cfg->oversample_h, cfg->oversample_v); - nk_tt_PackFontRangesRenderIntoRects(&baker->spc, &tmp->info, tmp->ranges, - (int)tmp->range_count, tmp->rects, &baker->alloc); - } - nk_tt_PackEnd(&baker->spc, &baker->alloc); - - /* third pass: setup font and glyphs */ - for (input_i = 0; input_i < font_count; ++input_i) - { - nk_size i = 0; - int char_idx = 0; - nk_rune glyph_count = 0; - const struct nk_font_config *cfg = &config[input_i]; - struct nk_font_bake_data *tmp = &baker->build[input_i]; - struct nk_baked_font *dst_font = cfg->font; - - float font_scale = nk_tt_ScaleForPixelHeight(&tmp->info, cfg->size); - int unscaled_ascent, unscaled_descent, unscaled_line_gap; - nk_tt_GetFontVMetrics(&tmp->info, &unscaled_ascent, &unscaled_descent, - &unscaled_line_gap); - - /* fill baked font */ - if (!cfg->merge_mode) { - dst_font->ranges = cfg->range; - dst_font->height = cfg->size; - dst_font->ascent = ((float)unscaled_ascent * font_scale); - dst_font->descent = ((float)unscaled_descent * font_scale); - dst_font->glyph_offset = glyph_n; - } - - /* fill own baked font glyph array */ - for (i = 0; i < tmp->range_count; ++i) - { - struct nk_tt_pack_range *range = &tmp->ranges[i]; - for (char_idx = 0; char_idx < range->num_chars; char_idx++) - { - nk_rune codepoint = 0; - float dummy_x = 0, dummy_y = 0; - struct nk_tt_aligned_quad q; - struct nk_font_glyph *glyph; - - /* query glyph bounds from stb_truetype */ - const struct nk_tt_packedchar *pc = &range->chardata_for_range[char_idx]; - glyph_count++; - if (!pc->x0 && !pc->x1 && !pc->y0 && !pc->y1) continue; - codepoint = (nk_rune)(range->first_unicode_codepoint_in_range + char_idx); - nk_tt_GetPackedQuad(range->chardata_for_range, (int)width, - (int)height, char_idx, &dummy_x, &dummy_y, &q, 0); - - /* fill own glyph type with data */ - glyph = &glyphs[dst_font->glyph_offset + (unsigned int)char_idx]; - glyph->codepoint = codepoint; - glyph->x0 = q.x0; glyph->y0 = q.y0; - glyph->x1 = q.x1; glyph->y1 = q.y1; - glyph->y0 += (dst_font->ascent + 0.5f); - glyph->y1 += (dst_font->ascent + 0.5f); - glyph->w = glyph->x1 - glyph->x0 + 0.5f; - glyph->h = glyph->y1 - glyph->y0; - - if (cfg->coord_type == NK_COORD_PIXEL) { - glyph->u0 = q.s0 * (float)width; - glyph->v0 = q.t0 * (float)height; - glyph->u1 = q.s1 * (float)width; - glyph->v1 = q.t1 * (float)height; - } else { - glyph->u0 = q.s0; - glyph->v0 = q.t0; - glyph->u1 = q.s1; - glyph->v1 = q.t1; - } - glyph->xadvance = (pc->xadvance + cfg->spacing.x); - if (cfg->pixel_snap) - glyph->xadvance = (float)(int)(glyph->xadvance + 0.5f); - } - } - dst_font->glyph_count = glyph_count; - glyph_n += dst_font->glyph_count; - } -} - -NK_API void -nk_font_bake_custom_data(void *img_memory, int img_width, int img_height, - struct nk_recti img_dst, const char *texture_data_mask, int tex_width, - int tex_height, char white, char black) -{ - nk_byte *pixels; - int y = 0; - int x = 0; - int n = 0; - - NK_ASSERT(img_memory); - NK_ASSERT(img_width); - NK_ASSERT(img_height); - NK_ASSERT(texture_data_mask); - NK_UNUSED(tex_height); - if (!img_memory || !img_width || !img_height || !texture_data_mask) - return; - - pixels = (nk_byte*)img_memory; - for (y = 0, n = 0; y < tex_height; ++y) { - for (x = 0; x < tex_width; ++x, ++n) { - const int off0 = ((img_dst.x + x) + (img_dst.y + y) * img_width); - const int off1 = off0 + 1 + tex_width; - pixels[off0] = (texture_data_mask[n] == white) ? 0xFF : 0x00; - pixels[off1] = (texture_data_mask[n] == black) ? 0xFF : 0x00; - } - } -} - -NK_API void -nk_font_bake_convert(void *out_memory, int img_width, int img_height, - const void *in_memory) -{ - int n = 0; - const nk_byte *src; - nk_rune *dst; - - NK_ASSERT(out_memory); - NK_ASSERT(in_memory); - NK_ASSERT(img_width); - NK_ASSERT(img_height); - if (!out_memory || !in_memory || !img_height || !img_width) return; - - dst = (nk_rune*)out_memory; - src = (const nk_byte*)in_memory; - for (n = (int)(img_width * img_height); n > 0; n--) - *dst++ = ((nk_rune)(*src++) << 24) | 0x00FFFFFF; -} - -/* ------------------------------------------------------------- - * - * FONT - * - * --------------------------------------------------------------*/ -NK_INTERN float -nk_font_text_width(nk_handle handle, float height, const char *text, int len) -{ - nk_rune unicode; - int text_len = 0; - float text_width = 0; - int glyph_len = 0; - float scale = 0; - - struct nk_font *font = (struct nk_font*)handle.ptr; - NK_ASSERT(font); - NK_ASSERT(font->glyphs); - if (!font || !text || !len) - return 0; - - scale = height/font->info.height; - glyph_len = text_len = nk_utf_decode(text, &unicode, (int)len); - if (!glyph_len) return 0; - while (text_len <= (int)len && glyph_len) { - const struct nk_font_glyph *g; - if (unicode == NK_UTF_INVALID) break; - - /* query currently drawn glyph information */ - g = nk_font_find_glyph(font, unicode); - text_width += g->xadvance * scale; - - /* offset next glyph */ - glyph_len = nk_utf_decode(text + text_len, &unicode, (int)len - text_len); - text_len += glyph_len; - } - return text_width; -} - -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT -NK_INTERN void -nk_font_query_font_glyph(nk_handle handle, float height, - struct nk_user_font_glyph *glyph, nk_rune codepoint, nk_rune next_codepoint) -{ - float scale; - const struct nk_font_glyph *g; - struct nk_font *font; - - NK_ASSERT(glyph); - NK_UNUSED(next_codepoint); - - font = (struct nk_font*)handle.ptr; - NK_ASSERT(font); - NK_ASSERT(font->glyphs); - if (!font || !glyph) - return; - - scale = height/font->info.height; - g = nk_font_find_glyph(font, codepoint); - glyph->width = (g->x1 - g->x0) * scale; - glyph->height = (g->y1 - g->y0) * scale; - glyph->offset = nk_vec2(g->x0 * scale, g->y0 * scale); - glyph->xadvance = (g->xadvance * scale); - glyph->uv[0] = nk_vec2(g->u0, g->v0); - glyph->uv[1] = nk_vec2(g->u1, g->v1); -} -#endif - -NK_API const struct nk_font_glyph* -nk_font_find_glyph(struct nk_font *font, nk_rune unicode) -{ - int i = 0; - int count; - int total_glyphs = 0; - const struct nk_font_glyph *glyph = 0; - NK_ASSERT(font); - NK_ASSERT(font->glyphs); - - glyph = font->fallback; - count = nk_range_count(font->info.ranges); - for (i = 0; i < count; ++i) { - int diff; - nk_rune f = font->info.ranges[(i*2)+0]; - nk_rune t = font->info.ranges[(i*2)+1]; - diff = (int)((t - f) + 1); - if (unicode >= f && unicode <= t) - return &font->glyphs[((nk_rune)total_glyphs + (unicode - f))]; - total_glyphs += diff; - } - return glyph; -} - -NK_API void -nk_font_init(struct nk_font *font, float pixel_height, - nk_rune fallback_codepoint, struct nk_font_glyph *glyphs, - const struct nk_baked_font *baked_font, nk_handle atlas) -{ - struct nk_baked_font baked; - NK_ASSERT(font); - NK_ASSERT(glyphs); - NK_ASSERT(baked_font); - if (!font || !glyphs || !baked_font) - return; - - baked = *baked_font; - nk_zero(font, sizeof(*font)); - font->info = baked; - font->scale = (float)pixel_height / (float)font->info.height; - font->glyphs = &glyphs[baked_font->glyph_offset]; - font->texture = atlas; - font->fallback_codepoint = fallback_codepoint; - font->fallback = nk_font_find_glyph(font, fallback_codepoint); - - font->handle.height = font->info.height * font->scale; - font->handle.width = nk_font_text_width; - font->handle.userdata.ptr = font; -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT - font->handle.query = nk_font_query_font_glyph; - font->handle.texture = font->texture; -#endif -} - -/* --------------------------------------------------------------------------- - * - * DEFAULT FONT - * - * ProggyClean.ttf - * Copyright (c) 2004, 2005 Tristan Grimmer - * MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip) - * Download and more information at http://upperbounds.net - *-----------------------------------------------------------------------------*/ -#ifdef NK_INCLUDE_DEFAULT_FONT - - #ifdef __clang__ -#pragma clang diagnostic push -#pragma clang diagnostic ignored "-Woverlength-strings" -#elif defined(__GNUC__) || defined(__GNUG__) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Woverlength-strings" -#endif - -NK_GLOBAL const char nk_proggy_clean_ttf_compressed_data_base85[11980+1] = - "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/" - "2*>]b(MC;$jPfY.;h^`IWM9Qo#t'X#(v#Y9w0#1D$CIf;W'#pWUPXOuxXuU(H9M(1=Ke$$'5F%)]0^#0X@U.a$FBjVQTSDgEKnIS7EM9>ZY9w0#L;>>#Mx&4Mvt//L[MkA#W@lK.N'[0#7RL_&#w+F%HtG9M#XL`N&.,GM4Pg;--VsM.M0rJfLH2eTM`*oJMHRC`N" - 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"GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp" - "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#"; - -#ifdef __clang__ -#pragma clang diagnostic pop -#elif defined(__GNUC__) || defined(__GNUG__) -#pragma GCC diagnostic pop -#endif - -#endif /* NK_INCLUDE_DEFAULT_FONT */ - -NK_INTERN unsigned int -nk_decompress_length(unsigned char *input) -{ - return (unsigned int)((input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11]); -} - -NK_GLOBAL unsigned char *nk__barrier; -NK_GLOBAL unsigned char *nk__barrier2; -NK_GLOBAL unsigned char *nk__barrier3; -NK_GLOBAL unsigned char *nk__barrier4; -NK_GLOBAL unsigned char *nk__dout; - -NK_INTERN void -nk__match(unsigned char *data, unsigned int length) -{ - /* INVERSE of memmove... write each byte before copying the next...*/ - NK_ASSERT (nk__dout + length <= nk__barrier); - if (nk__dout + length > nk__barrier) { nk__dout += length; return; } - if (data < nk__barrier4) { nk__dout = nk__barrier+1; return; } - while (length--) *nk__dout++ = *data++; -} - -NK_INTERN void -nk__lit(unsigned char *data, unsigned int length) -{ - NK_ASSERT (nk__dout + length <= nk__barrier); - if (nk__dout + length > nk__barrier) { nk__dout += length; return; } - if (data < nk__barrier2) { nk__dout = nk__barrier+1; return; } - NK_MEMCPY(nk__dout, data, length); - nk__dout += length; -} - -#define nk__in2(x) ((i[x] << 8) + i[(x)+1]) -#define nk__in3(x) ((i[x] << 16) + nk__in2((x)+1)) -#define nk__in4(x) ((i[x] << 24) + nk__in3((x)+1)) - -NK_INTERN unsigned char* -nk_decompress_token(unsigned char *i) -{ - if (*i >= 0x20) { /* use fewer if's for cases that expand small */ - if (*i >= 0x80) nk__match(nk__dout-i[1]-1, (unsigned int)i[0] - 0x80 + 1), i += 2; - else if (*i >= 0x40) nk__match(nk__dout-(nk__in2(0) - 0x4000 + 1), (unsigned int)i[2]+1), i += 3; - else /* *i >= 0x20 */ nk__lit(i+1, (unsigned int)i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1); - } else { /* more ifs for cases that expand large, since overhead is amortized */ - if (*i >= 0x18) nk__match(nk__dout-(unsigned int)(nk__in3(0) - 0x180000 + 1), (unsigned int)i[3]+1), i += 4; - else if (*i >= 0x10) nk__match(nk__dout-(unsigned int)(nk__in3(0) - 0x100000 + 1), (unsigned int)nk__in2(3)+1), i += 5; - else if (*i >= 0x08) nk__lit(i+2, (unsigned int)nk__in2(0) - 0x0800 + 1), i += 2 + (nk__in2(0) - 0x0800 + 1); - else if (*i == 0x07) nk__lit(i+3, (unsigned int)nk__in2(1) + 1), i += 3 + (nk__in2(1) + 1); - else if (*i == 0x06) nk__match(nk__dout-(unsigned int)(nk__in3(1)+1), i[4]+1u), i += 5; - else if (*i == 0x04) nk__match(nk__dout-(unsigned int)(nk__in3(1)+1), (unsigned int)nk__in2(4)+1u), i += 6; - } - return i; -} - -NK_INTERN unsigned int -nk_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen) -{ - const unsigned long ADLER_MOD = 65521; - unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; - unsigned long blocklen, i; - - blocklen = buflen % 5552; - while (buflen) { - for (i=0; i + 7 < blocklen; i += 8) { - s1 += buffer[0], s2 += s1; - s1 += buffer[1], s2 += s1; - s1 += buffer[2], s2 += s1; - s1 += buffer[3], s2 += s1; - s1 += buffer[4], s2 += s1; - s1 += buffer[5], s2 += s1; - s1 += buffer[6], s2 += s1; - s1 += buffer[7], s2 += s1; - - buffer += 8; - } - - for (; i < blocklen; ++i) - s1 += *buffer++, s2 += s1; - - s1 %= ADLER_MOD, s2 %= ADLER_MOD; - buflen -= (unsigned int)blocklen; - blocklen = 5552; - } - return (unsigned int)(s2 << 16) + (unsigned int)s1; -} - -NK_INTERN unsigned int -nk_decompress(unsigned char *output, unsigned char *i, unsigned int length) -{ - unsigned int olen; - if (nk__in4(0) != 0x57bC0000) return 0; - if (nk__in4(4) != 0) return 0; /* error! stream is > 4GB */ - olen = nk_decompress_length(i); - nk__barrier2 = i; - nk__barrier3 = i+length; - nk__barrier = output + olen; - nk__barrier4 = output; - i += 16; - - nk__dout = output; - for (;;) { - unsigned char *old_i = i; - i = nk_decompress_token(i); - if (i == old_i) { - if (*i == 0x05 && i[1] == 0xfa) { - NK_ASSERT(nk__dout == output + olen); - if (nk__dout != output + olen) return 0; - if (nk_adler32(1, output, olen) != (unsigned int) nk__in4(2)) - return 0; - return olen; - } else { - NK_ASSERT(0); /* NOTREACHED */ - return 0; - } - } - NK_ASSERT(nk__dout <= output + olen); - if (nk__dout > output + olen) - return 0; - } -} - -NK_INTERN unsigned int -nk_decode_85_byte(char c) -{ return (unsigned int)((c >= '\\') ? c-36 : c-35); } - -NK_INTERN void -nk_decode_85(unsigned char* dst, const unsigned char* src) -{ - while (*src) - { - unsigned int tmp = - nk_decode_85_byte((char)src[0]) + - 85 * (nk_decode_85_byte((char)src[1]) + - 85 * (nk_decode_85_byte((char)src[2]) + - 85 * (nk_decode_85_byte((char)src[3]) + - 85 * nk_decode_85_byte((char)src[4])))); - - /* we can't assume little-endianess. */ - dst[0] = (unsigned char)((tmp >> 0) & 0xFF); - dst[1] = (unsigned char)((tmp >> 8) & 0xFF); - dst[2] = (unsigned char)((tmp >> 16) & 0xFF); - dst[3] = (unsigned char)((tmp >> 24) & 0xFF); - - src += 5; - dst += 4; - } -} - -/* ------------------------------------------------------------- - * - * FONT ATLAS - * - * --------------------------------------------------------------*/ -NK_API struct nk_font_config -nk_font_config(float pixel_height) -{ - struct nk_font_config cfg; - nk_zero_struct(cfg); - cfg.ttf_blob = 0; - cfg.ttf_size = 0; - cfg.ttf_data_owned_by_atlas = 0; - cfg.size = pixel_height; - cfg.oversample_h = 3; - cfg.oversample_v = 1; - cfg.pixel_snap = 0; - cfg.coord_type = NK_COORD_UV; - cfg.spacing = nk_vec2(0,0); - cfg.range = nk_font_default_glyph_ranges(); - cfg.fallback_glyph = '?'; - cfg.font = 0; - cfg.merge_mode = 0; - return cfg; -} - -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API void -nk_font_atlas_init_default(struct nk_font_atlas *atlas) -{ - NK_ASSERT(atlas); - if (!atlas) return; - nk_zero_struct(*atlas); - atlas->alloc.userdata.ptr = 0; - atlas->alloc.alloc = nk_malloc; - atlas->alloc.free = nk_mfree; -} -#endif - -NK_API void -nk_font_atlas_init(struct nk_font_atlas *atlas, struct nk_allocator *alloc) -{ - NK_ASSERT(atlas); - NK_ASSERT(alloc); - if (!atlas || !alloc) return; - nk_zero_struct(*atlas); - atlas->alloc = *alloc; -} - -NK_API void -nk_font_atlas_begin(struct nk_font_atlas *atlas) -{ - NK_ASSERT(atlas); - NK_ASSERT(atlas->alloc.alloc && atlas->alloc.free); - if (!atlas || !atlas->alloc.alloc || !atlas->alloc.free) return; - if (atlas->glyphs) { - atlas->alloc.free(atlas->alloc.userdata, atlas->glyphs); - atlas->glyphs = 0; - } - if (atlas->pixel) { - atlas->alloc.free(atlas->alloc.userdata, atlas->pixel); - atlas->pixel = 0; - } -} - -NK_API struct nk_font* -nk_font_atlas_add(struct nk_font_atlas *atlas, const struct nk_font_config *config) -{ - struct nk_font *font = 0; - NK_ASSERT(atlas); - NK_ASSERT(config); - NK_ASSERT(atlas->alloc.alloc); - NK_ASSERT(atlas->alloc.free); - NK_ASSERT(config->ttf_blob); - NK_ASSERT(config->ttf_size); - NK_ASSERT(config->size > 0.0f); - if (!atlas || !config || !config->ttf_blob || !config->ttf_size || config->size <= 0.0f|| - !atlas->alloc.alloc || !atlas->alloc.free) - return 0; - - /* allocate new font */ - if (!config->merge_mode) { - font = (struct nk_font*)atlas->alloc.alloc(atlas->alloc.userdata,0, sizeof(struct nk_font)); - NK_ASSERT(font); - if (!font) return 0; - } else { - NK_ASSERT(atlas->font_num); - font = atlas->fonts[atlas->font_num-1]; - } - - /* make sure enough memory */ - if (!atlas->config || atlas->font_num >= atlas->font_cap) { - void *tmp_font, *tmp_config; - atlas->font_cap = (!atlas->config) ? 32: (int)((float)atlas->font_cap * 2.7f); - tmp_font = atlas->alloc.alloc(atlas->alloc.userdata,0, - ((nk_size)atlas->font_cap * sizeof(struct nk_font*))); - tmp_config = atlas->alloc.alloc(atlas->alloc.userdata,0, - ((nk_size)atlas->font_cap * sizeof(struct nk_font_config))); - - if (!atlas->config) { - atlas->fonts = (struct nk_font**)tmp_font; - atlas->config = (struct nk_font_config*)tmp_config; - } else { - /* realloc */ - NK_MEMCPY(tmp_font, atlas->fonts, - sizeof(struct nk_font*) * (nk_size)atlas->font_num); - NK_MEMCPY(tmp_config, atlas->config, - sizeof(struct nk_font_config) * (nk_size)atlas->font_num); - - atlas->alloc.free(atlas->alloc.userdata, atlas->fonts); - atlas->alloc.free(atlas->alloc.userdata, atlas->config); - - atlas->fonts = (struct nk_font**)tmp_font; - atlas->config = (struct nk_font_config*)tmp_config; - } - } - - /* add font and font config into atlas */ - atlas->config[atlas->font_num] = *config; - if (!config->merge_mode) { - atlas->fonts[atlas->font_num] = font; - atlas->config[atlas->font_num].font = &font->info; - } - - /* create own copy of .TTF font blob */ - if (!config->ttf_data_owned_by_atlas) { - struct nk_font_config *c = &atlas->config[atlas->font_num]; - c->ttf_blob = atlas->alloc.alloc(atlas->alloc.userdata,0, c->ttf_size); - NK_ASSERT(c->ttf_blob); - if (!c->ttf_blob) { - atlas->font_num++; - return 0; - } - NK_MEMCPY(c->ttf_blob, config->ttf_blob, c->ttf_size); - c->ttf_data_owned_by_atlas = 1; - } - atlas->font_num++; - return font; -} - -NK_API struct nk_font* -nk_font_atlas_add_from_memory(struct nk_font_atlas *atlas, void *memory, - nk_size size, float height, const struct nk_font_config *config) -{ - struct nk_font_config cfg; - NK_ASSERT(memory); - NK_ASSERT(size); - NK_ASSERT(atlas); - NK_ASSERT(atlas->alloc.alloc); - NK_ASSERT(atlas->alloc.free); - if (!atlas || !atlas->alloc.alloc || !atlas->alloc.free || !memory || !size) - return 0; - - cfg = (config) ? *config: nk_font_config(height); - cfg.ttf_blob = memory; - cfg.ttf_size = size; - cfg.size = height; - cfg.ttf_data_owned_by_atlas = 0; - return nk_font_atlas_add(atlas, &cfg); -} - -#ifdef NK_INCLUDE_STANDARD_IO -NK_API struct nk_font* -nk_font_atlas_add_from_file(struct nk_font_atlas *atlas, const char *file_path, - float height, const struct nk_font_config *config) -{ - nk_size size; - char *memory; - struct nk_font_config cfg; - - NK_ASSERT(atlas); - NK_ASSERT(atlas->alloc.alloc); - NK_ASSERT(atlas->alloc.free); - if (!atlas || !file_path) return 0; - memory = nk_file_load(file_path, &size, &atlas->alloc); - if (!memory) return 0; - - cfg = (config) ? *config: nk_font_config(height); - cfg.ttf_blob = memory; - cfg.ttf_size = size; - cfg.size = height; - cfg.ttf_data_owned_by_atlas = 1; - return nk_font_atlas_add(atlas, &cfg); -} -#endif - -NK_API struct nk_font* -nk_font_atlas_add_compressed(struct nk_font_atlas *atlas, - void *compressed_data, nk_size compressed_size, float height, - const struct nk_font_config *config) -{ - unsigned int decompressed_size; - void *decompressed_data; - struct nk_font_config cfg; - - NK_ASSERT(compressed_data); - NK_ASSERT(compressed_size); - NK_ASSERT(atlas); - NK_ASSERT(atlas->alloc.alloc); - NK_ASSERT(atlas->alloc.free); - if (!atlas || !compressed_data || !atlas->alloc.alloc || !atlas->alloc.free) - return 0; - - decompressed_size = nk_decompress_length((unsigned char*)compressed_data); - decompressed_data = atlas->alloc.alloc(atlas->alloc.userdata,0,decompressed_size); - NK_ASSERT(decompressed_data); - if (!decompressed_data) return 0; - nk_decompress((unsigned char*)decompressed_data, (unsigned char*)compressed_data, - (unsigned int)compressed_size); - - cfg = (config) ? *config: nk_font_config(height); - cfg.ttf_blob = decompressed_data; - cfg.ttf_size = decompressed_size; - cfg.size = height; - cfg.ttf_data_owned_by_atlas = 1; - return nk_font_atlas_add(atlas, &cfg); -} - -NK_API struct nk_font* -nk_font_atlas_add_compressed_base85(struct nk_font_atlas *atlas, - const char *data_base85, float height, const struct nk_font_config *config) -{ - int compressed_size; - void *compressed_data; - struct nk_font *font; - - NK_ASSERT(data_base85); - NK_ASSERT(atlas); - NK_ASSERT(atlas->alloc.alloc); - NK_ASSERT(atlas->alloc.free); - if (!atlas || !data_base85 || !atlas->alloc.alloc || !atlas->alloc.free) - return 0; - - compressed_size = (((int)nk_strlen(data_base85) + 4) / 5) * 4; - compressed_data = atlas->alloc.alloc(atlas->alloc.userdata,0, (nk_size)compressed_size); - NK_ASSERT(compressed_data); - if (!compressed_data) return 0; - nk_decode_85((unsigned char*)compressed_data, (const unsigned char*)data_base85); - font = nk_font_atlas_add_compressed(atlas, compressed_data, - (nk_size)compressed_size, height, config); - atlas->alloc.free(atlas->alloc.userdata, compressed_data); - return font; -} - -#ifdef NK_INCLUDE_DEFAULT_FONT -NK_API struct nk_font* -nk_font_atlas_add_default(struct nk_font_atlas *atlas, - float pixel_height, const struct nk_font_config *config) -{ - NK_ASSERT(atlas); - NK_ASSERT(atlas->alloc.alloc); - NK_ASSERT(atlas->alloc.free); - return nk_font_atlas_add_compressed_base85(atlas, - nk_proggy_clean_ttf_compressed_data_base85, pixel_height, config); -} -#endif - -NK_API const void* -nk_font_atlas_bake(struct nk_font_atlas *atlas, int *width, int *height, - enum nk_font_atlas_format fmt) -{ - int i = 0; - void *tmp = 0; - nk_size tmp_size, img_size; - - NK_ASSERT(width); - NK_ASSERT(height); - NK_ASSERT(atlas); - NK_ASSERT(atlas->alloc.alloc); - NK_ASSERT(atlas->alloc.free); - if (!atlas || !width || !height || !atlas->alloc.alloc || !atlas->alloc.free) - return 0; - -#ifdef NK_INCLUDE_DEFAULT_FONT - /* no font added so just use default font */ - if (!atlas->font_num) - atlas->default_font = nk_font_atlas_add_default(atlas, 13.0f, 0); -#endif - NK_ASSERT(atlas->font_num); - if (!atlas->font_num) return 0; - - /* allocate temporary memory required for the baking process */ - nk_font_bake_memory(&tmp_size, &atlas->glyph_count, atlas->config, atlas->font_num); - tmp = atlas->alloc.alloc(atlas->alloc.userdata,0, tmp_size); - NK_ASSERT(tmp); - if (!tmp) goto failed; - - /* allocate glyph memory for all fonts */ - atlas->glyphs = (struct nk_font_glyph*) - atlas->alloc.alloc(atlas->alloc.userdata,0, - sizeof(struct nk_font_glyph) * (nk_size)atlas->glyph_count); - NK_ASSERT(atlas->glyphs); - if (!atlas->glyphs) - goto failed; - - /* pack all glyphs into a tight fit space */ - atlas->custom.w = 2; atlas->custom.h = 2; - if (!nk_font_bake_pack(&img_size, width, height, &atlas->custom, tmp, tmp_size, - atlas->config, atlas->font_num, &atlas->alloc)) - goto failed; - - /* allocate memory for the baked image font atlas */ - atlas->pixel = atlas->alloc.alloc(atlas->alloc.userdata,0, img_size); - NK_ASSERT(atlas->pixel); - if (!atlas->pixel) - goto failed; - - /* bake glyphs and custom white pixel into image */ - {const char *custom_data = "...."; - nk_font_bake(atlas->pixel, *width, *height, tmp, tmp_size, atlas->glyphs, - atlas->glyph_count, atlas->config, atlas->font_num); - nk_font_bake_custom_data(atlas->pixel, *width, *height, atlas->custom, - custom_data, 2, 2, '.', 'X');} - - /* convert alpha8 image into rgba32 image */ - if (fmt == NK_FONT_ATLAS_RGBA32) { - void *img_rgba = atlas->alloc.alloc(atlas->alloc.userdata,0, - (nk_size)(*width * *height * 4)); - NK_ASSERT(img_rgba); - if (!img_rgba) goto failed; - nk_font_bake_convert(img_rgba, *width, *height, atlas->pixel); - atlas->alloc.free(atlas->alloc.userdata, atlas->pixel); - atlas->pixel = img_rgba; - } - atlas->tex_width = *width; - atlas->tex_height = *height; - - /* initialize each font */ - for (i = 0; i < atlas->font_num; ++i) { - nk_font_init(atlas->fonts[i], atlas->config[i].size, - atlas->config[i].fallback_glyph, atlas->glyphs, - atlas->config[i].font, nk_handle_ptr(0)); - } - - /* free temporary memory */ - atlas->alloc.free(atlas->alloc.userdata, tmp); - return atlas->pixel; - -failed: - /* error so cleanup all memory */ - if (tmp) atlas->alloc.free(atlas->alloc.userdata, tmp); - if (atlas->glyphs) { - atlas->alloc.free(atlas->alloc.userdata, atlas->glyphs); - atlas->glyphs = 0; - } - if (atlas->pixel) { - atlas->alloc.free(atlas->alloc.userdata, atlas->pixel); - atlas->pixel = 0; - } - return 0; -} - -NK_API void -nk_font_atlas_end(struct nk_font_atlas *atlas, nk_handle texture, - struct nk_draw_null_texture *null) -{ - int i = 0; - NK_ASSERT(atlas); - if (!atlas) { - if (!null) return; - null->texture = texture; - null->uv = nk_vec2(0.5f,0.5f); - } - if (null) { - null->texture = texture; - null->uv = nk_vec2((atlas->custom.x + 0.5f)/(float)atlas->tex_width, - (atlas->custom.y + 0.5f)/(float)atlas->tex_height); - } - for (i = 0; i < atlas->font_num; ++i) { - atlas->fonts[i]->texture = texture; - atlas->fonts[i]->handle.texture = texture; - } - - atlas->alloc.free(atlas->alloc.userdata, atlas->pixel); - atlas->pixel = 0; - atlas->tex_width = 0; - atlas->tex_height = 0; - atlas->custom.x = 0; - atlas->custom.y = 0; - atlas->custom.w = 0; - atlas->custom.h = 0; -} - -NK_API void -nk_font_atlas_clear(struct nk_font_atlas *atlas) -{ - int i = 0; - NK_ASSERT(atlas); - NK_ASSERT(atlas->alloc.alloc); - NK_ASSERT(atlas->alloc.free); - if (!atlas || !atlas->alloc.alloc || !atlas->alloc.free) - return; - - if (atlas->fonts) { - for (i = 0; i < atlas->font_num; ++i) - atlas->alloc.free(atlas->alloc.userdata, atlas->fonts[i]); - atlas->alloc.free(atlas->alloc.userdata, atlas->fonts); - } - if (atlas->config) { - for (i = 0; i < atlas->font_num; ++i) - atlas->alloc.free(atlas->alloc.userdata, atlas->config[i].ttf_blob); - atlas->alloc.free(atlas->alloc.userdata, atlas->config); - } - if (atlas->glyphs) - atlas->alloc.free(atlas->alloc.userdata, atlas->glyphs); - if (atlas->pixel) - atlas->alloc.free(atlas->alloc.userdata, atlas->pixel); - nk_zero_struct(*atlas); -} -#endif -/* ============================================================== - * - * INPUT - * - * ===============================================================*/ -NK_API void -nk_input_begin(struct nk_context *ctx) -{ - int i; - struct nk_input *in; - NK_ASSERT(ctx); - if (!ctx) return; - - in = &ctx->input; - for (i = 0; i < NK_BUTTON_MAX; ++i) - in->mouse.buttons[i].clicked = 0; - in->keyboard.text_len = 0; - in->mouse.scroll_delta = 0; - in->mouse.prev.x = in->mouse.pos.x; - in->mouse.prev.y = in->mouse.pos.y; - for (i = 0; i < NK_KEY_MAX; i++) - in->keyboard.keys[i].clicked = 0; -} - -NK_API void -nk_input_motion(struct nk_context *ctx, int x, int y) -{ - struct nk_input *in; - NK_ASSERT(ctx); - if (!ctx) return; - in = &ctx->input; - in->mouse.pos.x = (float)x; - in->mouse.pos.y = (float)y; - in->mouse.delta = nk_vec2_sub(in->mouse.pos, in->mouse.prev); -} - -NK_API void -nk_input_key(struct nk_context *ctx, enum nk_keys key, int down) -{ - struct nk_input *in; - NK_ASSERT(ctx); - if (!ctx) return; - in = &ctx->input; - if (in->keyboard.keys[key].down == down) return; - in->keyboard.keys[key].down = down; - in->keyboard.keys[key].clicked++; -} - -NK_API void -nk_input_button(struct nk_context *ctx, enum nk_buttons id, int x, int y, int down) -{ - struct nk_mouse_button *btn; - struct nk_input *in; - NK_ASSERT(ctx); - if (!ctx) return; - in = &ctx->input; - if (in->mouse.buttons[id].down == down) return; - - btn = &in->mouse.buttons[id]; - btn->clicked_pos.x = (float)x; - btn->clicked_pos.y = (float)y; - btn->down = down; - btn->clicked++; -} - -NK_API void -nk_input_scroll(struct nk_context *ctx, float y) -{ - NK_ASSERT(ctx); - if (!ctx) return; - ctx->input.mouse.scroll_delta += y; -} - -NK_API void -nk_input_glyph(struct nk_context *ctx, const nk_glyph glyph) -{ - int len = 0; - nk_rune unicode; - - struct nk_input *in; - NK_ASSERT(ctx); - if (!ctx) return; - in = &ctx->input; - - len = nk_utf_decode(glyph, &unicode, NK_UTF_SIZE); - if (len && ((in->keyboard.text_len + len) < NK_INPUT_MAX)) { - nk_utf_encode(unicode, &in->keyboard.text[in->keyboard.text_len], - NK_INPUT_MAX - in->keyboard.text_len); - in->keyboard.text_len += len; - } -} - -NK_API void -nk_input_char(struct nk_context *ctx, char c) -{ - nk_glyph glyph; - NK_ASSERT(ctx); - if (!ctx) return; - glyph[0] = c; - nk_input_glyph(ctx, glyph); -} - -NK_API void -nk_input_unicode(struct nk_context *ctx, nk_rune unicode) -{ - nk_glyph rune; - NK_ASSERT(ctx); - if (!ctx) return; - nk_utf_encode(unicode, rune, NK_UTF_SIZE); - nk_input_glyph(ctx, rune); -} - -NK_API void -nk_input_end(struct nk_context *ctx) -{ - struct nk_input *in; - NK_ASSERT(ctx); - if (!ctx) return; - in = &ctx->input; - in->mouse.delta = nk_vec2_sub(in->mouse.pos, in->mouse.prev); -} - -NK_API int -nk_input_has_mouse_click_in_rect(const struct nk_input *i, enum nk_buttons id, - struct nk_rect b) -{ - const struct nk_mouse_button *btn; - if (!i) return nk_false; - btn = &i->mouse.buttons[id]; - if (!NK_INBOX(btn->clicked_pos.x,btn->clicked_pos.y,b.x,b.y,b.w,b.h)) - return nk_false; - return nk_true; -} - -NK_API int -nk_input_has_mouse_click_down_in_rect(const struct nk_input *i, enum nk_buttons id, - struct nk_rect b, int down) -{ - const struct nk_mouse_button *btn; - if (!i) return nk_false; - btn = &i->mouse.buttons[id]; - return nk_input_has_mouse_click_in_rect(i, id, b) && (btn->down == down); -} - -NK_API int -nk_input_is_mouse_click_in_rect(const struct nk_input *i, enum nk_buttons id, - struct nk_rect b) -{ - const struct nk_mouse_button *btn; - if (!i) return nk_false; - btn = &i->mouse.buttons[id]; - return (nk_input_has_mouse_click_down_in_rect(i, id, b, nk_false) && - btn->clicked) ? nk_true : nk_false; -} - -NK_API int -nk_input_is_mouse_click_down_in_rect(const struct nk_input *i, enum nk_buttons id, - struct nk_rect b, int down) -{ - const struct nk_mouse_button *btn; - if (!i) return nk_false; - btn = &i->mouse.buttons[id]; - return (nk_input_has_mouse_click_down_in_rect(i, id, b, down) && - btn->clicked) ? nk_true : nk_false; -} - -NK_API int -nk_input_any_mouse_click_in_rect(const struct nk_input *in, struct nk_rect b) -{ - int i, down = 0; - for (i = 0; i < NK_BUTTON_MAX; ++i) - down = down || nk_input_is_mouse_click_in_rect(in, (enum nk_buttons)i, b); - return down; -} - -NK_API int -nk_input_is_mouse_hovering_rect(const struct nk_input *i, struct nk_rect rect) -{ - if (!i) return nk_false; - return NK_INBOX(i->mouse.pos.x, i->mouse.pos.y, rect.x, rect.y, rect.w, rect.h); -} - -NK_API int -nk_input_is_mouse_prev_hovering_rect(const struct nk_input *i, struct nk_rect rect) -{ - if (!i) return nk_false; - return NK_INBOX(i->mouse.prev.x, i->mouse.prev.y, rect.x, rect.y, rect.w, rect.h); -} - -NK_API int -nk_input_mouse_clicked(const struct nk_input *i, enum nk_buttons id, struct nk_rect rect) -{ - if (!i) return nk_false; - if (!nk_input_is_mouse_hovering_rect(i, rect)) return nk_false; - return nk_input_is_mouse_click_in_rect(i, id, rect); -} - -NK_API int -nk_input_is_mouse_down(const struct nk_input *i, enum nk_buttons id) -{ - if (!i) return nk_false; - return i->mouse.buttons[id].down; -} - -NK_API int -nk_input_is_mouse_pressed(const struct nk_input *i, enum nk_buttons id) -{ - const struct nk_mouse_button *b; - if (!i) return nk_false; - b = &i->mouse.buttons[id]; - if (b->down && b->clicked) - return nk_true; - return nk_false; -} - -NK_API int -nk_input_is_mouse_released(const struct nk_input *i, enum nk_buttons id) -{ - if (!i) return nk_false; - return (!i->mouse.buttons[id].down && i->mouse.buttons[id].clicked); -} - -NK_API int -nk_input_is_key_pressed(const struct nk_input *i, enum nk_keys key) -{ - const struct nk_key *k; - if (!i) return nk_false; - k = &i->keyboard.keys[key]; - if (k->down && k->clicked) - return nk_true; - return nk_false; -} - -NK_API int -nk_input_is_key_released(const struct nk_input *i, enum nk_keys key) -{ - const struct nk_key *k; - if (!i) return nk_false; - k = &i->keyboard.keys[key]; - if (!k->down && k->clicked) - return nk_true; - return nk_false; -} - -NK_API int -nk_input_is_key_down(const struct nk_input *i, enum nk_keys key) -{ - const struct nk_key *k; - if (!i) return nk_false; - k = &i->keyboard.keys[key]; - if (k->down) return nk_true; - return nk_false; -} - -/* - * ============================================================== - * - * TEXT EDITOR - * - * =============================================================== - */ -/* stb_textedit.h - v1.8 - public domain - Sean Barrett */ -struct nk_text_find { - float x,y; /* position of n'th character */ - float height; /* height of line */ - int first_char, length; /* first char of row, and length */ - int prev_first; /*_ first char of previous row */ -}; - -struct nk_text_edit_row { - float x0,x1; - /* starting x location, end x location (allows for align=right, etc) */ - float baseline_y_delta; - /* position of baseline relative to previous row's baseline*/ - float ymin,ymax; - /* height of row above and below baseline */ - int num_chars; -}; - -/* forward declarations */ -NK_INTERN void nk_textedit_makeundo_delete(struct nk_text_edit*, int, int); -NK_INTERN void nk_textedit_makeundo_insert(struct nk_text_edit*, int, int); -NK_INTERN void nk_textedit_makeundo_replace(struct nk_text_edit*, int, int, int); -#define NK_TEXT_HAS_SELECTION(s) ((s)->select_start != (s)->select_end) - -NK_INTERN float -nk_textedit_get_width(const struct nk_text_edit *edit, int line_start, int char_id, - const struct nk_user_font *font) -{ - int len = 0; - nk_rune unicode = 0; - const char *str = nk_str_at_const(&edit->string, line_start + char_id, &unicode, &len); - return font->width(font->userdata, font->height, str, len); -} - -NK_INTERN void -nk_textedit_layout_row(struct nk_text_edit_row *r, struct nk_text_edit *edit, - int line_start_id, float row_height, const struct nk_user_font *font) -{ - int l; - int glyphs = 0; - nk_rune unicode; - const char *remaining; - int len = nk_str_len_char(&edit->string); - const char *end = nk_str_get_const(&edit->string) + len; - const char *text = nk_str_at_const(&edit->string, line_start_id, &unicode, &l); - const struct nk_vec2 size = nk_text_calculate_text_bounds(font, - text, (int)(end - text), row_height, &remaining, 0, &glyphs, NK_STOP_ON_NEW_LINE); - - r->x0 = 0.0f; - r->x1 = size.x; - r->baseline_y_delta = size.y; - r->ymin = 0.0f; - r->ymax = size.y; - r->num_chars = glyphs; -} - -NK_INTERN int -nk_textedit_locate_coord(struct nk_text_edit *edit, float x, float y, - const struct nk_user_font *font, float row_height) -{ - struct nk_text_edit_row r; - int n = edit->string.len; - float base_y = 0, prev_x; - int i=0, k; - - r.x0 = r.x1 = 0; - r.ymin = r.ymax = 0; - r.num_chars = 0; - - /* search rows to find one that straddles 'y' */ - while (i < n) { - nk_textedit_layout_row(&r, edit, i, row_height, font); - if (r.num_chars <= 0) - return n; - - if (i==0 && y < base_y + r.ymin) - return 0; - - if (y < base_y + r.ymax) - break; - - i += r.num_chars; - base_y += r.baseline_y_delta; - } - - /* below all text, return 'after' last character */ - if (i >= n) - return n; - - /* check if it's before the beginning of the line */ - if (x < r.x0) - return i; - - /* check if it's before the end of the line */ - if (x < r.x1) { - /* search characters in row for one that straddles 'x' */ - k = i; - prev_x = r.x0; - for (i=0; i < r.num_chars; ++i) { - float w = nk_textedit_get_width(edit, k, i, font); - if (x < prev_x+w) { - if (x < prev_x+w/2) - return k+i; - else return k+i+1; - } - prev_x += w; - } - /* shouldn't happen, but if it does, fall through to end-of-line case */ - } - - /* if the last character is a newline, return that. - * otherwise return 'after' the last character */ - if (nk_str_rune_at(&edit->string, i+r.num_chars-1) == '\n') - return i+r.num_chars-1; - else return i+r.num_chars; -} - -NK_INTERN void -nk_textedit_click(struct nk_text_edit *state, float x, float y, - const struct nk_user_font *font, float row_height) -{ - /* API click: on mouse down, move the cursor to the clicked location, - * and reset the selection */ - state->cursor = nk_textedit_locate_coord(state, x, y, font, row_height); - state->select_start = state->cursor; - state->select_end = state->cursor; - state->has_preferred_x = 0; -} - -NK_INTERN void -nk_textedit_drag(struct nk_text_edit *state, float x, float y, - const struct nk_user_font *font, float row_height) -{ - /* API drag: on mouse drag, move the cursor and selection endpoint - * to the clicked location */ - int p = nk_textedit_locate_coord(state, x, y, font, row_height); - if (state->select_start == state->select_end) - state->select_start = state->cursor; - state->cursor = state->select_end = p; -} - -NK_INTERN void -nk_textedit_find_charpos(struct nk_text_find *find, struct nk_text_edit *state, - int n, int single_line, const struct nk_user_font *font, float row_height) -{ - /* find the x/y location of a character, and remember info about the previous - * row in case we get a move-up event (for page up, we'll have to rescan) */ - struct nk_text_edit_row r; - int prev_start = 0; - int z = state->string.len; - int i=0, first; - - if (n == z) { - /* if it's at the end, then find the last line -- simpler than trying to - explicitly handle this case in the regular code */ - if (single_line) { - nk_textedit_layout_row(&r, state, 0, row_height, font); - find->y = 0; - find->first_char = 0; - find->length = z; - find->height = r.ymax - r.ymin; - find->x = r.x1; - } else { - find->y = 0; - find->x = 0; - find->height = 1; - - while (i < z) { - nk_textedit_layout_row(&r, state, i, row_height, font); - prev_start = i; - i += r.num_chars; - } - - find->first_char = i; - find->length = 0; - find->prev_first = prev_start; - } - return; - } - - /* search rows to find the one that straddles character n */ - find->y = 0; - - for(;;) { - nk_textedit_layout_row(&r, state, i, row_height, font); - if (n < i + r.num_chars) break; - prev_start = i; - i += r.num_chars; - find->y += r.baseline_y_delta; - } - - find->first_char = first = i; - find->length = r.num_chars; - find->height = r.ymax - r.ymin; - find->prev_first = prev_start; - - /* now scan to find xpos */ - find->x = r.x0; - for (i=0; first+i < n; ++i) - find->x += nk_textedit_get_width(state, first, i, font); -} - -NK_INTERN void -nk_textedit_clamp(struct nk_text_edit *state) -{ - /* make the selection/cursor state valid if client altered the string */ - int n = state->string.len; - if (NK_TEXT_HAS_SELECTION(state)) { - if (state->select_start > n) state->select_start = n; - if (state->select_end > n) state->select_end = n; - /* if clamping forced them to be equal, move the cursor to match */ - if (state->select_start == state->select_end) - state->cursor = state->select_start; - } - if (state->cursor > n) state->cursor = n; -} - -NK_API void -nk_textedit_delete(struct nk_text_edit *state, int where, int len) -{ - /* delete characters while updating undo */ - nk_textedit_makeundo_delete(state, where, len); - nk_str_delete_runes(&state->string, where, len); - state->has_preferred_x = 0; -} - -NK_API void -nk_textedit_delete_selection(struct nk_text_edit *state) -{ - /* delete the section */ - nk_textedit_clamp(state); - if (NK_TEXT_HAS_SELECTION(state)) { - if (state->select_start < state->select_end) { - nk_textedit_delete(state, state->select_start, - state->select_end - state->select_start); - state->select_end = state->cursor = state->select_start; - } else { - nk_textedit_delete(state, state->select_end, - state->select_start - state->select_end); - state->select_start = state->cursor = state->select_end; - } - state->has_preferred_x = 0; - } -} - -NK_INTERN void -nk_textedit_sortselection(struct nk_text_edit *state) -{ - /* canonicalize the selection so start <= end */ - if (state->select_end < state->select_start) { - int temp = state->select_end; - state->select_end = state->select_start; - state->select_start = temp; - } -} - -NK_INTERN void -nk_textedit_move_to_first(struct nk_text_edit *state) -{ - /* move cursor to first character of selection */ - if (NK_TEXT_HAS_SELECTION(state)) { - nk_textedit_sortselection(state); - state->cursor = state->select_start; - state->select_end = state->select_start; - state->has_preferred_x = 0; - } -} - -NK_INTERN void -nk_textedit_move_to_last(struct nk_text_edit *state) -{ - /* move cursor to last character of selection */ - if (NK_TEXT_HAS_SELECTION(state)) { - nk_textedit_sortselection(state); - nk_textedit_clamp(state); - state->cursor = state->select_end; - state->select_start = state->select_end; - state->has_preferred_x = 0; - } -} - -NK_INTERN int -nk_is_word_boundary( struct nk_text_edit *state, int idx) -{ - int len; - nk_rune c; - if (idx <= 0) return 1; - if (!nk_str_at_rune(&state->string, idx, &c, &len)) return 1; - return (c == ' ' || c == '\t' ||c == 0x3000 || c == ',' || c == ';' || - c == '(' || c == ')' || c == '{' || c == '}' || c == '[' || c == ']' || - c == '|'); -} - -NK_INTERN int -nk_textedit_move_to_word_previous(struct nk_text_edit *state) -{ - int c = state->cursor - 1; - while( c >= 0 && !nk_is_word_boundary(state, c)) - --c; - - if( c < 0 ) - c = 0; - - return c; -} - -NK_INTERN int -nk_textedit_move_to_word_next(struct nk_text_edit *state) -{ - const int len = state->string.len; - int c = state->cursor+1; - while( c < len && !nk_is_word_boundary(state, c)) - ++c; - - if( c > len ) - c = len; - - return c; -} - -NK_INTERN void -nk_textedit_prep_selection_at_cursor(struct nk_text_edit *state) -{ - /* update selection and cursor to match each other */ - if (!NK_TEXT_HAS_SELECTION(state)) - state->select_start = state->select_end = state->cursor; - else state->cursor = state->select_end; -} - -NK_API int -nk_textedit_cut(struct nk_text_edit *state) -{ - /* API cut: delete selection */ - if (NK_TEXT_HAS_SELECTION(state)) { - nk_textedit_delete_selection(state); /* implicitly clamps */ - state->has_preferred_x = 0; - return 1; - } - return 0; -} - -NK_API int -nk_textedit_paste(struct nk_text_edit *state, char const *ctext, int len) -{ - /* API paste: replace existing selection with passed-in text */ - int glyphs; - const char *text = (const char *) ctext; - /* if there's a selection, the paste should delete it */ - nk_textedit_clamp(state); - nk_textedit_delete_selection(state); - /* try to insert the characters */ - glyphs = nk_utf_len(ctext, len); - if (nk_str_insert_text_char(&state->string, state->cursor, text, len)) { - nk_textedit_makeundo_insert(state, state->cursor, glyphs); - state->cursor += len; - state->has_preferred_x = 0; - return 1; - } - /* remove the undo since we didn't actually insert the characters */ - if (state->undo.undo_point) - --state->undo.undo_point; - return 0; -} - -NK_API void -nk_textedit_text(struct nk_text_edit *state, const char *text, int total_len) -{ - nk_rune unicode; - int glyph_len; - int text_len = 0; - - NK_ASSERT(state); - NK_ASSERT(text); - if (!text || !total_len || !state->insert_mode) return; - - glyph_len = nk_utf_decode(text, &unicode, total_len); - if (!glyph_len) return; - while ((text_len < total_len) && glyph_len) - { - /* can't add newline in single-line mode */ - if (unicode == '\n' && state->single_line) - break; - - /* filter incoming text */ - if (state->filter && !state->filter(state, unicode)) { - glyph_len = nk_utf_decode(text + text_len, &unicode, total_len-text_len); - text_len += glyph_len; - continue; - } - - if (state->insert_mode && !NK_TEXT_HAS_SELECTION(state) && - state->cursor < state->string.len) - { - nk_textedit_makeundo_replace(state, state->cursor, 1, 1); - nk_str_delete_runes(&state->string, state->cursor, 1); - if (nk_str_insert_text_char(&state->string, state->cursor, - text+text_len, glyph_len)) - { - ++state->cursor; - state->has_preferred_x = 0; - } - } else { - nk_textedit_delete_selection(state); /* implicitly clamps */ - if (nk_str_insert_text_char(&state->string, state->cursor, - text+text_len, glyph_len)) - { - nk_textedit_makeundo_insert(state, state->cursor, 1); - ++state->cursor; - state->has_preferred_x = 0; - } - } - glyph_len = nk_utf_decode(text + text_len, &unicode, total_len-text_len); - text_len += glyph_len; - } -} - -NK_INTERN void -nk_textedit_key(struct nk_text_edit *state, enum nk_keys key, int shift_mod, - const struct nk_user_font *font, float row_height) -{ -retry: - switch (key) - { - case NK_KEY_NONE: - case NK_KEY_CTRL: - case NK_KEY_ENTER: - case NK_KEY_SHIFT: - case NK_KEY_TAB: - case NK_KEY_COPY: - case NK_KEY_CUT: - case NK_KEY_PASTE: - case NK_KEY_MAX: - default: break; - case NK_KEY_TEXT_UNDO: - nk_textedit_undo(state); - state->has_preferred_x = 0; - break; - - case NK_KEY_TEXT_REDO: - nk_textedit_redo(state); - state->has_preferred_x = 0; - break; - - case NK_KEY_TEXT_INSERT_MODE: - state->insert_mode = !state->insert_mode; - break; - - case NK_KEY_LEFT: - if (shift_mod) { - nk_textedit_clamp(state); - nk_textedit_prep_selection_at_cursor(state); - /* move selection left */ - if (state->select_end > 0) - --state->select_end; - state->cursor = state->select_end; - state->has_preferred_x = 0; - } else { - /* if currently there's a selection, - * move cursor to start of selection */ - if (NK_TEXT_HAS_SELECTION(state)) - nk_textedit_move_to_first(state); - else if (state->cursor > 0) - --state->cursor; - state->has_preferred_x = 0; - } break; - - case NK_KEY_RIGHT: - if (shift_mod) { - nk_textedit_prep_selection_at_cursor(state); - /* move selection right */ - ++state->select_end; - nk_textedit_clamp(state); - state->cursor = state->select_end; - state->has_preferred_x = 0; - } else { - /* if currently there's a selection, - * move cursor to end of selection */ - if (NK_TEXT_HAS_SELECTION(state)) - nk_textedit_move_to_last(state); - else ++state->cursor; - nk_textedit_clamp(state); - state->has_preferred_x = 0; - } break; - - case NK_KEY_TEXT_WORD_LEFT: - if (shift_mod) { - if( !NK_TEXT_HAS_SELECTION( state ) ) - nk_textedit_prep_selection_at_cursor(state); - state->cursor = nk_textedit_move_to_word_previous(state); - state->select_end = state->cursor; - nk_textedit_clamp(state ); - } else { - if (NK_TEXT_HAS_SELECTION(state)) - nk_textedit_move_to_first(state); - else { - state->cursor = nk_textedit_move_to_word_previous(state); - nk_textedit_clamp(state ); - } - } break; - - case NK_KEY_TEXT_WORD_RIGHT: - if (shift_mod) { - if( !NK_TEXT_HAS_SELECTION( state ) ) - nk_textedit_prep_selection_at_cursor(state); - state->cursor = nk_textedit_move_to_word_next(state); - state->select_end = state->cursor; - nk_textedit_clamp(state); - } else { - if (NK_TEXT_HAS_SELECTION(state)) - nk_textedit_move_to_last(state); - else { - state->cursor = nk_textedit_move_to_word_next(state); - nk_textedit_clamp(state ); - } - } break; - - case NK_KEY_DOWN: { - struct nk_text_find find; - struct nk_text_edit_row row; - int i, sel = shift_mod; - - if (state->single_line) { - /* on windows, up&down in single-line behave like left&right */ - key = NK_KEY_RIGHT; - goto retry; - } - - if (sel) - nk_textedit_prep_selection_at_cursor(state); - else if (NK_TEXT_HAS_SELECTION(state)) - nk_textedit_move_to_last(state); - - /* compute current position of cursor point */ - nk_textedit_clamp(state); - nk_textedit_find_charpos(&find, state, state->cursor, state->single_line, - font, row_height); - - /* now find character position down a row */ - if (find.length) - { - float x; - float goal_x = state->has_preferred_x ? state->preferred_x : find.x; - int start = find.first_char + find.length; - - state->cursor = start; - nk_textedit_layout_row(&row, state, state->cursor, row_height, font); - x = row.x0; - - for (i=0; i < row.num_chars; ++i) { - float dx = nk_textedit_get_width(state, start, i, font); - x += dx; - if (x > goal_x) - break; - ++state->cursor; - } - nk_textedit_clamp(state); - - state->has_preferred_x = 1; - state->preferred_x = goal_x; - if (sel) - state->select_end = state->cursor; - } - } break; - - case NK_KEY_UP: { - struct nk_text_find find; - struct nk_text_edit_row row; - int i, sel = shift_mod; - - if (state->single_line) { - /* on windows, up&down become left&right */ - key = NK_KEY_LEFT; - goto retry; - } - - if (sel) - nk_textedit_prep_selection_at_cursor(state); - else if (NK_TEXT_HAS_SELECTION(state)) - nk_textedit_move_to_first(state); - - /* compute current position of cursor point */ - nk_textedit_clamp(state); - nk_textedit_find_charpos(&find, state, state->cursor, state->single_line, - font, row_height); - - /* can only go up if there's a previous row */ - if (find.prev_first != find.first_char) { - /* now find character position up a row */ - float x; - float goal_x = state->has_preferred_x ? state->preferred_x : find.x; - - state->cursor = find.prev_first; - nk_textedit_layout_row(&row, state, state->cursor, row_height, font); - x = row.x0; - - for (i=0; i < row.num_chars; ++i) { - float dx = nk_textedit_get_width(state, find.prev_first, i, font); - x += dx; - if (x > goal_x) - break; - ++state->cursor; - } - nk_textedit_clamp(state); - - state->has_preferred_x = 1; - state->preferred_x = goal_x; - if (sel) state->select_end = state->cursor; - } - } break; - - case NK_KEY_DEL: - if (NK_TEXT_HAS_SELECTION(state)) - nk_textedit_delete_selection(state); - else { - int n = state->string.len; - if (state->cursor < n) - nk_textedit_delete(state, state->cursor, 1); - } - state->has_preferred_x = 0; - break; - - case NK_KEY_BACKSPACE: - if (NK_TEXT_HAS_SELECTION(state)) - nk_textedit_delete_selection(state); - else { - nk_textedit_clamp(state); - if (state->cursor > 0) { - nk_textedit_delete(state, state->cursor-1, 1); - --state->cursor; - } - } - state->has_preferred_x = 0; - break; - - case NK_KEY_TEXT_START: - if (shift_mod) { - nk_textedit_prep_selection_at_cursor(state); - state->cursor = state->select_end = 0; - state->has_preferred_x = 0; - } else { - state->cursor = state->select_start = state->select_end = 0; - state->has_preferred_x = 0; - } - break; - - case NK_KEY_TEXT_END: - if (shift_mod) { - nk_textedit_prep_selection_at_cursor(state); - state->cursor = state->select_end = state->string.len; - state->has_preferred_x = 0; - } else { - state->cursor = state->string.len; - state->select_start = state->select_end = 0; - state->has_preferred_x = 0; - } - break; - - case NK_KEY_TEXT_LINE_START: { - if (shift_mod) { - struct nk_text_find find; - nk_textedit_clamp(state); - nk_textedit_prep_selection_at_cursor(state); - nk_textedit_find_charpos(&find, state,state->cursor, state->single_line, - font, row_height); - state->cursor = state->select_end = find.first_char; - state->has_preferred_x = 0; - } else { - struct nk_text_find find; - nk_textedit_clamp(state); - nk_textedit_move_to_first(state); - nk_textedit_find_charpos(&find, state, state->cursor, state->single_line, - font, row_height); - state->cursor = find.first_char; - state->has_preferred_x = 0; - } - } break; - - case NK_KEY_TEXT_LINE_END: { - if (shift_mod) { - struct nk_text_find find; - nk_textedit_clamp(state); - nk_textedit_prep_selection_at_cursor(state); - nk_textedit_find_charpos(&find, state, state->cursor, state->single_line, - font, row_height); - state->has_preferred_x = 0; - state->cursor = find.first_char + find.length; - if (find.length > 0 && nk_str_rune_at(&state->string, state->cursor-1) == '\n') - --state->cursor; - state->select_end = state->cursor; - } else { - struct nk_text_find find; - nk_textedit_clamp(state); - nk_textedit_move_to_first(state); - nk_textedit_find_charpos(&find, state, state->cursor, state->single_line, - font, row_height); - - state->has_preferred_x = 0; - state->cursor = find.first_char + find.length; - if (find.length > 0 && nk_str_rune_at(&state->string, state->cursor-1) == '\n') - --state->cursor; - }} break; - } -} - -NK_INTERN void -nk_textedit_flush_redo(struct nk_text_undo_state *state) -{ - state->redo_point = NK_TEXTEDIT_UNDOSTATECOUNT; - state->redo_char_point = NK_TEXTEDIT_UNDOCHARCOUNT; -} - -NK_INTERN void -nk_textedit_discard_undo(struct nk_text_undo_state *state) -{ - /* discard the oldest entry in the undo list */ - if (state->undo_point > 0) { - /* if the 0th undo state has characters, clean those up */ - if (state->undo_rec[0].char_storage >= 0) { - int n = state->undo_rec[0].insert_length, i; - /* delete n characters from all other records */ - state->undo_char_point = (short)(state->undo_char_point - n); - NK_MEMCPY(state->undo_char, state->undo_char + n, - (nk_size)state->undo_char_point*sizeof(nk_rune)); - for (i=0; i < state->undo_point; ++i) { - if (state->undo_rec[i].char_storage >= 0) - state->undo_rec[i].char_storage = (short) - (state->undo_rec[i].char_storage - n); - } - } - --state->undo_point; - NK_MEMCPY(state->undo_rec, state->undo_rec+1, - (nk_size)((nk_size)state->undo_point * sizeof(state->undo_rec[0]))); - } -} - -NK_INTERN void -nk_textedit_discard_redo(struct nk_text_undo_state *state) -{ -/* discard the oldest entry in the redo list--it's bad if this - ever happens, but because undo & redo have to store the actual - characters in different cases, the redo character buffer can - fill up even though the undo buffer didn't */ - nk_size num; - int k = NK_TEXTEDIT_UNDOSTATECOUNT-1; - if (state->redo_point <= k) { - /* if the k'th undo state has characters, clean those up */ - if (state->undo_rec[k].char_storage >= 0) { - int n = state->undo_rec[k].insert_length, i; - /* delete n characters from all other records */ - state->redo_char_point = (short)(state->redo_char_point + n); - num = (nk_size)(NK_TEXTEDIT_UNDOSTATECOUNT - state->redo_char_point); - NK_MEMCPY(state->undo_char + state->redo_char_point, - state->undo_char + state->redo_char_point-n, num * sizeof(char)); - for (i = state->redo_point; i < k; ++i) { - if (state->undo_rec[i].char_storage >= 0) { - state->undo_rec[i].char_storage = (short) - (state->undo_rec[i].char_storage + n); - } - } - } - ++state->redo_point; - num = (nk_size)(NK_TEXTEDIT_UNDOSTATECOUNT - state->redo_point); - if (num) NK_MEMCPY(state->undo_rec + state->redo_point-1, - state->undo_rec + state->redo_point, num * sizeof(state->undo_rec[0])); - } -} - -NK_INTERN struct nk_text_undo_record* -nk_textedit_create_undo_record(struct nk_text_undo_state *state, int numchars) -{ - /* any time we create a new undo record, we discard redo*/ - nk_textedit_flush_redo(state); - - /* if we have no free records, we have to make room, - * by sliding the existing records down */ - if (state->undo_point == NK_TEXTEDIT_UNDOSTATECOUNT) - nk_textedit_discard_undo(state); - - /* if the characters to store won't possibly fit in the buffer, - * we can't undo */ - if (numchars > NK_TEXTEDIT_UNDOCHARCOUNT) { - state->undo_point = 0; - state->undo_char_point = 0; - return 0; - } - - /* if we don't have enough free characters in the buffer, - * we have to make room */ - while (state->undo_char_point + numchars > NK_TEXTEDIT_UNDOCHARCOUNT) - nk_textedit_discard_undo(state); - return &state->undo_rec[state->undo_point++]; -} - -NK_INTERN nk_rune* -nk_textedit_createundo(struct nk_text_undo_state *state, int pos, - int insert_len, int delete_len) -{ - struct nk_text_undo_record *r = nk_textedit_create_undo_record(state, insert_len); - if (r == 0) - return 0; - - r->where = pos; - r->insert_length = (short) insert_len; - r->delete_length = (short) delete_len; - - if (insert_len == 0) { - r->char_storage = -1; - return 0; - } else { - r->char_storage = state->undo_char_point; - state->undo_char_point = (short)(state->undo_char_point + insert_len); - return &state->undo_char[r->char_storage]; - } -} - -NK_API void -nk_textedit_undo(struct nk_text_edit *state) -{ - struct nk_text_undo_state *s = &state->undo; - struct nk_text_undo_record u, *r; - if (s->undo_point == 0) - return; - - /* we need to do two things: apply the undo record, and create a redo record */ - u = s->undo_rec[s->undo_point-1]; - r = &s->undo_rec[s->redo_point-1]; - r->char_storage = -1; - - r->insert_length = u.delete_length; - r->delete_length = u.insert_length; - r->where = u.where; - - if (u.delete_length) - { - /* if the undo record says to delete characters, then the redo record will - need to re-insert the characters that get deleted, so we need to store - them. - there are three cases: - - there's enough room to store the characters - - characters stored for *redoing* don't leave room for redo - - characters stored for *undoing* don't leave room for redo - if the last is true, we have to bail */ - if (s->undo_char_point + u.delete_length >= NK_TEXTEDIT_UNDOCHARCOUNT) { - /* the undo records take up too much character space; there's no space - * to store the redo characters */ - r->insert_length = 0; - } else { - int i; - /* there's definitely room to store the characters eventually */ - while (s->undo_char_point + u.delete_length > s->redo_char_point) { - /* there's currently not enough room, so discard a redo record */ - nk_textedit_discard_redo(s); - /* should never happen: */ - if (s->redo_point == NK_TEXTEDIT_UNDOSTATECOUNT) - return; - } - - r = &s->undo_rec[s->redo_point-1]; - r->char_storage = (short)(s->redo_char_point - u.delete_length); - s->redo_char_point = (short)(s->redo_char_point - u.delete_length); - - /* now save the characters */ - for (i=0; i < u.delete_length; ++i) - s->undo_char[r->char_storage + i] = - nk_str_rune_at(&state->string, u.where + i); - } - /* now we can carry out the deletion */ - nk_str_delete_runes(&state->string, u.where, u.delete_length); - } - - /* check type of recorded action: */ - if (u.insert_length) { - /* easy case: was a deletion, so we need to insert n characters */ - nk_str_insert_text_runes(&state->string, u.where, - &s->undo_char[u.char_storage], u.insert_length); - s->undo_char_point = (short)(s->undo_char_point - u.insert_length); - } - state->cursor = (short)(u.where + u.insert_length); - - s->undo_point--; - s->redo_point--; -} - -NK_API void -nk_textedit_redo(struct nk_text_edit *state) -{ - struct nk_text_undo_state *s = &state->undo; - struct nk_text_undo_record *u, r; - if (s->redo_point == NK_TEXTEDIT_UNDOSTATECOUNT) - return; - - /* we need to do two things: apply the redo record, and create an undo record */ - u = &s->undo_rec[s->undo_point]; - r = s->undo_rec[s->redo_point]; - - /* we KNOW there must be room for the undo record, because the redo record - was derived from an undo record */ - u->delete_length = r.insert_length; - u->insert_length = r.delete_length; - u->where = r.where; - u->char_storage = -1; - - if (r.delete_length) { - /* the redo record requires us to delete characters, so the undo record - needs to store the characters */ - if (s->undo_char_point + u->insert_length > s->redo_char_point) { - u->insert_length = 0; - u->delete_length = 0; - } else { - int i; - u->char_storage = s->undo_char_point; - s->undo_char_point = (short)(s->undo_char_point + u->insert_length); - - /* now save the characters */ - for (i=0; i < u->insert_length; ++i) { - s->undo_char[u->char_storage + i] = - nk_str_rune_at(&state->string, u->where + i); - } - } - nk_str_delete_runes(&state->string, r.where, r.delete_length); - } - - if (r.insert_length) { - /* easy case: need to insert n characters */ - nk_str_insert_text_runes(&state->string, r.where, - &s->undo_char[r.char_storage], r.insert_length); - } - state->cursor = r.where + r.insert_length; - - s->undo_point++; - s->redo_point++; -} - -NK_INTERN void -nk_textedit_makeundo_insert(struct nk_text_edit *state, int where, int length) -{ - nk_textedit_createundo(&state->undo, where, 0, length); -} - -NK_INTERN void -nk_textedit_makeundo_delete(struct nk_text_edit *state, int where, int length) -{ - int i; - nk_rune *p = nk_textedit_createundo(&state->undo, where, length, 0); - if (p) { - for (i=0; i < length; ++i) - p[i] = nk_str_rune_at(&state->string, where+i); - } -} - -NK_INTERN void -nk_textedit_makeundo_replace(struct nk_text_edit *state, int where, - int old_length, int new_length) -{ - int i; - nk_rune *p = nk_textedit_createundo(&state->undo, where, old_length, new_length); - if (p) { - for (i=0; i < old_length; ++i) - p[i] = nk_str_rune_at(&state->string, where+i); - } -} - -NK_INTERN void -nk_textedit_clear_state(struct nk_text_edit *state, enum nk_text_edit_type type, - nk_filter filter) -{ - /* reset the state to default */ - state->undo.undo_point = 0; - state->undo.undo_char_point = 0; - state->undo.redo_point = NK_TEXTEDIT_UNDOSTATECOUNT; - state->undo.redo_char_point = NK_TEXTEDIT_UNDOCHARCOUNT; - state->select_end = state->select_start = 0; - state->cursor = 0; - state->has_preferred_x = 0; - state->preferred_x = 0; - state->cursor_at_end_of_line = 0; - state->initialized = 1; - state->single_line = (unsigned char)(type == NK_TEXT_EDIT_SINGLE_LINE); - state->insert_mode = 0; - state->filter = filter; -} - -NK_API void -nk_textedit_init_fixed(struct nk_text_edit *state, void *memory, nk_size size) -{ - NK_ASSERT(state); - NK_ASSERT(memory); - if (!state || !memory || !size) return; - nk_textedit_clear_state(state, NK_TEXT_EDIT_SINGLE_LINE, 0); - nk_str_init_fixed(&state->string, memory, size); -} - -NK_API void -nk_textedit_init(struct nk_text_edit *state, struct nk_allocator *alloc, nk_size size) -{ - NK_ASSERT(state); - NK_ASSERT(alloc); - if (!state || !alloc) return; - nk_textedit_clear_state(state, NK_TEXT_EDIT_SINGLE_LINE, 0); - nk_str_init(&state->string, alloc, size); -} - -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API void -nk_textedit_init_default(struct nk_text_edit *state) -{ - NK_ASSERT(state); - if (!state) return; - nk_textedit_clear_state(state, NK_TEXT_EDIT_SINGLE_LINE, 0); - nk_str_init_default(&state->string); -} -#endif - -NK_API void -nk_textedit_select_all(struct nk_text_edit *state) -{ - NK_ASSERT(state); - state->select_start = 0; - state->select_end = state->string.len; -} - -NK_API void -nk_textedit_free(struct nk_text_edit *state) -{ - NK_ASSERT(state); - if (!state) return; - nk_str_free(&state->string); -} - -/* =============================================================== - * - * TEXT WIDGET - * - * ===============================================================*/ -struct nk_text { - struct nk_vec2 padding; - struct nk_color background; - struct nk_color text; -}; - -NK_INTERN void -nk_widget_text(struct nk_command_buffer *o, struct nk_rect b, - const char *string, int len, const struct nk_text *t, - nk_flags a, const struct nk_user_font *f) -{ - struct nk_rect label; - float text_width; - - NK_ASSERT(o); - NK_ASSERT(t); - if (!o || !t) return; - - b.h = NK_MAX(b.h, 2 * t->padding.y); - label.x = 0; label.w = 0; - label.y = b.y + t->padding.y; - label.h = b.h - 2 * t->padding.y; - - text_width = f->width(f->userdata, f->height, (const char*)string, len); - text_width += (2.0f * t->padding.x); - - /* align in x-axis */ - if (a & NK_TEXT_ALIGN_LEFT) { - label.x = b.x + t->padding.x; - label.w = NK_MAX(0, b.w - 2 * t->padding.x); - } else if (a & NK_TEXT_ALIGN_CENTERED) { - label.w = NK_MAX(1, 2 * t->padding.x + (float)text_width); - label.x = (b.x + t->padding.x + ((b.w - 2 * t->padding.x) - label.w) / 2); - label.x = NK_MAX(b.x + t->padding.x, label.x); - label.w = NK_MIN(b.x + b.w, label.x + label.w); - if (label.w >= label.x) label.w -= label.x; - } else if (a & NK_TEXT_ALIGN_RIGHT) { - label.x = NK_MAX(b.x + t->padding.x, (b.x + b.w) - (2 * t->padding.x + (float)text_width)); - label.w = (float)text_width + 2 * t->padding.x; - } else return; - - /* align in y-axis */ - if (a & NK_TEXT_ALIGN_MIDDLE) { - label.y = b.y + b.h/2.0f - (float)f->height/2.0f; - label.h = b.h - (b.h/2.0f + f->height/2.0f); - } else if (a & NK_TEXT_ALIGN_BOTTOM) { - label.y = b.y + b.h - f->height; - label.h = f->height; - } - nk_draw_text(o, label, (const char*)string, - len, f, t->background, t->text); -} - -NK_INTERN void -nk_widget_text_wrap(struct nk_command_buffer *o, struct nk_rect b, - const char *string, int len, const struct nk_text *t, - const struct nk_user_font *f) -{ - float width; - int glyphs = 0; - int fitting = 0; - int done = 0; - struct nk_rect line; - struct nk_text text; - - NK_ASSERT(o); - NK_ASSERT(t); - if (!o || !t) return; - - text.padding = nk_vec2(0,0); - text.background = t->background; - text.text = t->text; - - b.w = NK_MAX(b.w, 2 * t->padding.x); - b.h = NK_MAX(b.h, 2 * t->padding.y); - b.h = b.h - 2 * t->padding.y; - - line.x = b.x + t->padding.x; - line.y = b.y + t->padding.y; - line.w = b.w - 2 * t->padding.x; - line.h = 2 * t->padding.y + f->height; - - fitting = nk_text_clamp(f, string, len, line.w, &glyphs, &width); - while (done < len) { - if (!fitting || line.y + line.h >= (b.y + b.h)) break; - nk_widget_text(o, line, &string[done], fitting, &text, NK_TEXT_LEFT, f); - done += fitting; - line.y += f->height + 2 * t->padding.y; - fitting = nk_text_clamp(f, &string[done], len - done, - line.w, &glyphs, &width); - } -} - -/* =============================================================== - * - * BUTTON - * - * ===============================================================*/ -NK_INTERN void -nk_draw_symbol(struct nk_command_buffer *out, enum nk_symbol_type type, - struct nk_rect content, struct nk_color background, struct nk_color foreground, - float border_width, const struct nk_user_font *font) -{ - switch (type) { - case NK_SYMBOL_X: - case NK_SYMBOL_UNDERSCORE: - case NK_SYMBOL_PLUS: - case NK_SYMBOL_MINUS: { - /* single character text symbol */ - const char *X = (type == NK_SYMBOL_X) ? "x": - (type == NK_SYMBOL_UNDERSCORE) ? "_": - (type == NK_SYMBOL_PLUS) ? "+": "-"; - struct nk_text text; - text.padding = nk_vec2(0,0); - text.background = background; - text.text = foreground; - nk_widget_text(out, content, X, 1, &text, NK_TEXT_CENTERED, font); - } break; - case NK_SYMBOL_CIRCLE: - case NK_SYMBOL_CIRCLE_FILLED: - case NK_SYMBOL_RECT: - case NK_SYMBOL_RECT_FILLED: { - /* simple empty/filled shapes */ - if (type == NK_SYMBOL_RECT || type == NK_SYMBOL_RECT_FILLED) { - nk_fill_rect(out, content, 0, foreground); - if (type == NK_SYMBOL_RECT_FILLED) - nk_fill_rect(out, nk_shrink_rect(content, border_width), 0, background); - } else { - nk_fill_circle(out, content, foreground); - if (type == NK_SYMBOL_CIRCLE_FILLED) - nk_fill_circle(out, nk_shrink_rect(content, 1), background); - } - } break; - case NK_SYMBOL_TRIANGLE_UP: - case NK_SYMBOL_TRIANGLE_DOWN: - case NK_SYMBOL_TRIANGLE_LEFT: - case NK_SYMBOL_TRIANGLE_RIGHT: { - enum nk_heading heading; - struct nk_vec2 points[3]; - heading = (type == NK_SYMBOL_TRIANGLE_RIGHT) ? NK_RIGHT : - (type == NK_SYMBOL_TRIANGLE_LEFT) ? NK_LEFT: - (type == NK_SYMBOL_TRIANGLE_UP) ? NK_UP: NK_DOWN; - nk_triangle_from_direction(points, content, 0, 0, heading); - nk_fill_triangle(out, points[0].x, points[0].y, points[1].x, points[1].y, - points[2].x, points[2].y, foreground); - } break; - default: - case NK_SYMBOL_NONE: - case NK_SYMBOL_MAX: break; - } -} - -NK_INTERN int -nk_button_behavior(nk_flags *state, struct nk_rect r, - const struct nk_input *i, enum nk_button_behavior behavior) -{ - int ret = 0; - *state = NK_WIDGET_STATE_INACTIVE; - if (!i) return 0; - if (nk_input_is_mouse_hovering_rect(i, r)) { - *state = NK_WIDGET_STATE_HOVERED; - if (nk_input_is_mouse_down(i, NK_BUTTON_LEFT)) - *state = NK_WIDGET_STATE_ACTIVE; - if (nk_input_has_mouse_click_in_rect(i, NK_BUTTON_LEFT, r)) { - ret = (behavior != NK_BUTTON_DEFAULT) ? - nk_input_is_mouse_down(i, NK_BUTTON_LEFT): - nk_input_is_mouse_released(i, NK_BUTTON_LEFT); - } - } - if (*state == NK_WIDGET_STATE_HOVERED && !nk_input_is_mouse_prev_hovering_rect(i, r)) - *state |= NK_WIDGET_STATE_ENTERED; - else if (nk_input_is_mouse_prev_hovering_rect(i, r)) - *state |= NK_WIDGET_STATE_LEFT; - return ret; -} - -NK_INTERN const struct nk_style_item* -nk_draw_button(struct nk_command_buffer *out, - const struct nk_rect *bounds, nk_flags state, - const struct nk_style_button *style) -{ - const struct nk_style_item *background; - if (state & NK_WIDGET_STATE_HOVERED) - background = &style->hover; - else if (state & NK_WIDGET_STATE_ACTIVE) - background = &style->active; - else background = &style->normal; - - if (background->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(out, *bounds, &background->data.image); - } else { - nk_fill_rect(out, *bounds, style->rounding, style->border_color); - nk_fill_rect(out, nk_shrink_rect(*bounds, style->border), style->rounding, - background->data.color); - } - return background; -} - -NK_INTERN int -nk_do_button(nk_flags *state, struct nk_command_buffer *out, struct nk_rect r, - const struct nk_style_button *style, const struct nk_input *in, - enum nk_button_behavior behavior, struct nk_rect *content) -{ - struct nk_rect bounds; - NK_ASSERT(style); - NK_ASSERT(state); - NK_ASSERT(out); - if (!out || !style) - return nk_false; - - /* calculate button content space */ - content->x = r.x + style->padding.x + style->border; - content->y = r.y + style->padding.y + style->border; - content->w = r.w - 2 * style->padding.x + style->border; - content->h = r.h - 2 * style->padding.y + style->border; - - /* execute button behavior */ - bounds.x = r.x - style->touch_padding.x; - bounds.y = r.y - style->touch_padding.y; - bounds.w = r.w + 2 * style->touch_padding.x; - bounds.h = r.h + 2 * style->touch_padding.y; - return nk_button_behavior(state, bounds, in, behavior); -} - -NK_INTERN void -nk_draw_button_text(struct nk_command_buffer *out, - const struct nk_rect *bounds, const struct nk_rect *content, nk_flags state, - const struct nk_style_button *style, const char *txt, int len, - nk_flags text_alignment, const struct nk_user_font *font) -{ - struct nk_text text; - const struct nk_style_item *background; - background = nk_draw_button(out, bounds, state, style); - - /* select correct colors/images */ - if (background->type == NK_STYLE_ITEM_COLOR) - text.background = background->data.color; - else text.background = style->text_background; - if (state & NK_WIDGET_STATE_HOVERED) - text.text = style->text_hover; - else if (state & NK_WIDGET_STATE_ACTIVE) - text.text = style->text_active; - else text.text = style->text_normal; - - text.padding = nk_vec2(0,0); - nk_widget_text(out, *content, txt, len, &text, text_alignment, font); -} - -NK_INTERN int -nk_do_button_text(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect bounds, - const char *string, int len, nk_flags align, enum nk_button_behavior behavior, - const struct nk_style_button *style, const struct nk_input *in, - const struct nk_user_font *font) -{ - struct nk_rect content; - int ret = nk_false; - - NK_ASSERT(state); - NK_ASSERT(style); - NK_ASSERT(out); - NK_ASSERT(string); - NK_ASSERT(font); - if (!out || !style || !font || !string) - return nk_false; - - ret = nk_do_button(state, out, bounds, style, in, behavior, &content); - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw.button_text) - style->draw.button_text(out, &bounds, &content, *state, style, - string, len, align, font); - else nk_draw_button_text(out, &bounds, &content, *state, style, - string, len, align, font); - if (style->draw_end) - style->draw_end(out, style->userdata); - return ret; -} - -NK_INTERN void -nk_draw_button_symbol(struct nk_command_buffer *out, - const struct nk_rect *bounds, const struct nk_rect *content, - nk_flags state, const struct nk_style_button *style, - enum nk_symbol_type type, const struct nk_user_font *font) -{ - struct nk_color sym, bg; - const struct nk_style_item *background; - - /* select correct colors/images */ - background = nk_draw_button(out, bounds, state, style); - if (background->type == NK_STYLE_ITEM_COLOR) - bg = background->data.color; - else bg = style->text_background; - - if (state & NK_WIDGET_STATE_HOVERED) - sym = style->text_hover; - else if (state & NK_WIDGET_STATE_ACTIVE) - sym = style->text_active; - else sym = style->text_normal; - nk_draw_symbol(out, type, *content, bg, sym, 1, font); -} - -NK_INTERN int -nk_do_button_symbol(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect bounds, - enum nk_symbol_type symbol, enum nk_button_behavior behavior, - const struct nk_style_button *style, const struct nk_input *in, - const struct nk_user_font *font) -{ - int ret; - struct nk_rect content; - - NK_ASSERT(state); - NK_ASSERT(style); - NK_ASSERT(font); - NK_ASSERT(out); - if (!out || !style || !font || !state) - return nk_false; - - ret = nk_do_button(state, out, bounds, style, in, behavior, &content); - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw.button_symbol) - style->draw.button_symbol(out, &bounds, &content, *state, style, symbol, font); - else nk_draw_button_symbol(out, &bounds, &content, *state, style, symbol, font); - if (style->draw_end) - style->draw_end(out, style->userdata); - return ret; -} - -NK_INTERN void -nk_draw_button_image(struct nk_command_buffer *out, - const struct nk_rect *bounds, const struct nk_rect *content, - nk_flags state, const struct nk_style_button *style, const struct nk_image *img) -{ - nk_draw_button(out, bounds, state, style); - nk_draw_image(out, *content, img); -} - -NK_INTERN int -nk_do_button_image(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect bounds, - struct nk_image img, enum nk_button_behavior b, - const struct nk_style_button *style, const struct nk_input *in) -{ - int ret; - struct nk_rect content; - - NK_ASSERT(state); - NK_ASSERT(style); - NK_ASSERT(out); - if (!out || !style || !state) - return nk_false; - - ret = nk_do_button(state, out, bounds, style, in, b, &content); - content.x += style->image_padding.x; - content.y += style->image_padding.y; - content.w -= 2 * style->image_padding.x; - content.h -= 2 * style->image_padding.y; - - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw.button_image) - style->draw.button_image(out, &bounds, &content, *state, style, &img); - else nk_draw_button_image(out, &bounds, &content, *state, style, &img); - if (style->draw_end) - style->draw_end(out, style->userdata); - return ret; -} - -NK_INTERN void -nk_draw_button_text_symbol(struct nk_command_buffer *out, - const struct nk_rect *bounds, const struct nk_rect *label, - const struct nk_rect *symbol, nk_flags state, const struct nk_style_button *style, - const char *str, int len, enum nk_symbol_type type, - const struct nk_user_font *font) -{ - struct nk_color sym; - struct nk_text text; - const struct nk_style_item *background; - - /* select correct background colors/images */ - background = nk_draw_button(out, bounds, state, style); - if (background->type == NK_STYLE_ITEM_COLOR) - text.background = background->data.color; - else text.background = style->text_background; - - /* select correct text colors */ - if (state & NK_WIDGET_STATE_HOVERED) { - sym = style->text_hover; - text.text = style->text_hover; - } else if (state & NK_WIDGET_STATE_ACTIVE) { - sym = style->text_active; - text.text = style->text_active; - } else { - sym = style->text_normal; - text.text = style->text_normal; - } - - text.padding = nk_vec2(0,0); - nk_draw_symbol(out, type, *symbol, style->text_background, sym, 0, font); - nk_widget_text(out, *label, str, len, &text, NK_TEXT_CENTERED, font); -} - -NK_INTERN int -nk_do_button_text_symbol(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect bounds, - enum nk_symbol_type symbol, const char *str, int len, nk_flags align, - enum nk_button_behavior behavior, const struct nk_style_button *style, - const struct nk_user_font *font, const struct nk_input *in) -{ - int ret; - struct nk_rect tri = {0,0,0,0}; - struct nk_rect content; - - NK_ASSERT(style); - NK_ASSERT(out); - NK_ASSERT(font); - if (!out || !style || !font) - return nk_false; - - ret = nk_do_button(state, out, bounds, style, in, behavior, &content); - tri.y = content.y + (content.h/2) - font->height/2; - tri.w = font->height; tri.h = font->height; - if (align & NK_TEXT_ALIGN_LEFT) { - tri.x = (content.x + content.w) - (2 * style->padding.x + tri.w); - tri.x = NK_MAX(tri.x, 0); - } else tri.x = content.x + 2 * style->padding.x; - - /* draw button */ - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw.button_text_symbol) - style->draw.button_text_symbol(out, &bounds, &content, &tri, - *state, style, str, len, symbol, font); - else nk_draw_button_text_symbol(out, &bounds, &content, &tri, - *state, style, str, len, symbol, font); - if (style->draw_end) - style->draw_end(out, style->userdata); - return ret; -} - -NK_INTERN void -nk_draw_button_text_image(struct nk_command_buffer *out, - const struct nk_rect *bounds, const struct nk_rect *label, - const struct nk_rect *image, nk_flags state, const struct nk_style_button *style, - const char *str, int len, const struct nk_user_font *font, - const struct nk_image *img) -{ - struct nk_text text; - const struct nk_style_item *background; - background = nk_draw_button(out, bounds, state, style); - - /* select correct colors */ - if (background->type == NK_STYLE_ITEM_COLOR) - text.background = background->data.color; - else text.background = style->text_background; - if (state & NK_WIDGET_STATE_HOVERED) - text.text = style->text_hover; - else if (state & NK_WIDGET_STATE_ACTIVE) - text.text = style->text_active; - else text.text = style->text_normal; - - text.padding = nk_vec2(0,0); - nk_widget_text(out, *label, str, len, &text, NK_TEXT_CENTERED, font); - nk_draw_image(out, *image, img); -} - -NK_INTERN int -nk_do_button_text_image(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect bounds, - struct nk_image img, const char* str, int len, nk_flags align, - enum nk_button_behavior behavior, const struct nk_style_button *style, - const struct nk_user_font *font, const struct nk_input *in) -{ - int ret; - struct nk_rect icon; - struct nk_rect content; - - NK_ASSERT(style); - NK_ASSERT(state); - NK_ASSERT(font); - NK_ASSERT(out); - if (!out || !font || !style || !str) - return nk_false; - - ret = nk_do_button(state, out, bounds, style, in, behavior, &content); - icon.y = bounds.y + style->padding.y; - icon.w = icon.h = bounds.h - 2 * style->padding.y; - if (align & NK_TEXT_ALIGN_LEFT) { - icon.x = (bounds.x + bounds.w) - (2 * style->padding.x + icon.w); - icon.x = NK_MAX(icon.x, 0); - } else icon.x = bounds.x + 2 * style->padding.x; - - icon.x += style->image_padding.x; - icon.y += style->image_padding.y; - icon.w -= 2 * style->image_padding.x; - icon.h -= 2 * style->image_padding.y; - - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw.button_text_image) - style->draw.button_text_image(out, &bounds, &content, &icon, - *state, style, str, len, font, &img); - else nk_draw_button_text_image(out, &bounds, &content, &icon, - *state, style, str, len, font, &img); - if (style->draw_end) - style->draw_end(out, style->userdata); - return ret; -} - -/* =============================================================== - * - * TOGGLE - * - * ===============================================================*/ -enum nk_toggle_type { - NK_TOGGLE_CHECK, - NK_TOGGLE_OPTION -}; - -NK_INTERN int -nk_toggle_behavior(const struct nk_input *in, struct nk_rect select, - nk_flags *state, int active) -{ - *state = NK_WIDGET_STATE_INACTIVE; - if (in && nk_input_is_mouse_hovering_rect(in, select)) - *state = NK_WIDGET_STATE_HOVERED; - if (nk_input_mouse_clicked(in, NK_BUTTON_LEFT, select)) { - *state = NK_WIDGET_STATE_ACTIVE; - active = !active; - } - if (*state == NK_WIDGET_STATE_HOVERED && !nk_input_is_mouse_prev_hovering_rect(in, select)) - *state |= NK_WIDGET_STATE_ENTERED; - else if (nk_input_is_mouse_prev_hovering_rect(in, select)) - *state |= NK_WIDGET_STATE_LEFT; - return active; -} - -NK_INTERN void -nk_draw_checkbox(struct nk_command_buffer *out, - nk_flags state, const struct nk_style_toggle *style, int active, - const struct nk_rect *label, const struct nk_rect *selector, - const struct nk_rect *cursors, const char *string, int len, - const struct nk_user_font *font) -{ - const struct nk_style_item *background; - const struct nk_style_item *cursor; - struct nk_text text; - - /* select correct colors/images */ - if (state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover; - cursor = &style->cursor_hover; - text.text = style->text_hover; - } else if (state & NK_WIDGET_STATE_ACTIVE) { - background = &style->hover; - cursor = &style->cursor_hover; - text.text = style->text_active; - } else { - background = &style->normal; - cursor = &style->cursor_normal; - text.text = style->text_normal; - } - - /* draw background and cursor */ - if (background->type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, *selector, &background->data.image); - else nk_fill_rect(out, *selector, 0, background->data.color); - if (active) { - if (cursor->type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, *cursors, &cursor->data.image); - else nk_fill_rect(out, *cursors, 0, cursor->data.color); - } - - text.padding.x = 0; - text.padding.y = 0; - text.background = style->text_background; - nk_widget_text(out, *label, string, len, &text, NK_TEXT_LEFT, font); -} - -NK_INTERN void -nk_draw_option(struct nk_command_buffer *out, - nk_flags state, const struct nk_style_toggle *style, int active, - const struct nk_rect *label, const struct nk_rect *selector, - const struct nk_rect *cursors, const char *string, int len, - const struct nk_user_font *font) -{ - const struct nk_style_item *background; - const struct nk_style_item *cursor; - struct nk_text text; - - /* select correct colors/images */ - if (state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover; - cursor = &style->cursor_hover; - text.text = style->text_hover; - } else if (state & NK_WIDGET_STATE_ACTIVE) { - background = &style->hover; - cursor = &style->cursor_hover; - text.text = style->text_active; - } else { - background = &style->normal; - cursor = &style->cursor_normal; - text.text = style->text_normal; - } - - /* draw background and cursor */ - if (background->type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, *selector, &background->data.image); - else nk_fill_circle(out, *selector, background->data.color); - if (active) { - if (cursor->type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, *cursors, &cursor->data.image); - else nk_fill_circle(out, *cursors, cursor->data.color); - } - - text.padding.x = 0; - text.padding.y = 0; - text.background = style->text_background; - nk_widget_text(out, *label, string, len, &text, NK_TEXT_LEFT, font); -} - -NK_INTERN int -nk_do_toggle(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect r, - int *active, const char *str, int len, enum nk_toggle_type type, - const struct nk_style_toggle *style, const struct nk_input *in, - const struct nk_user_font *font) -{ - int was_active; - struct nk_rect bounds; - struct nk_rect select; - struct nk_rect cursor; - struct nk_rect label; - float cursor_pad; - - NK_ASSERT(style); - NK_ASSERT(out); - NK_ASSERT(font); - if (!out || !style || !font || !active) - return 0; - - r.w = NK_MAX(r.w, font->height + 2 * style->padding.x); - r.h = NK_MAX(r.h, font->height + 2 * style->padding.y); - - /* add additional touch padding for touch screen devices */ - bounds.x = r.x - style->touch_padding.x; - bounds.y = r.y - style->touch_padding.y; - bounds.w = r.w + 2 * style->touch_padding.x; - bounds.h = r.h + 2 * style->touch_padding.y; - - /* calculate the selector space */ - select.w = NK_MIN(r.h, font->height + style->padding.y); - select.h = select.w; - select.x = r.x + style->padding.x; - select.y = (r.y + style->padding.y + (select.w / 2)) - (font->height / 2); - cursor_pad = (type == NK_TOGGLE_OPTION) ? - (float)(int)(select.w / 4): - (float)(int)(select.h / 6); - - /* calculate the bounds of the cursor inside the selector */ - select.h = NK_MAX(select.w, cursor_pad * 2); - cursor.h = select.h - cursor_pad * 2; - cursor.w = cursor.h; - cursor.x = select.x + cursor_pad; - cursor.y = select.y + cursor_pad; - - /* label behind the selector */ - label.x = r.x + select.w + style->padding.x * 2; - label.y = select.y; - label.w = NK_MAX(r.x + r.w, label.x + style->padding.x); - label.w -= (label.x + style->padding.x); - label.h = select.w; - - /* update selector */ - was_active = *active; - *active = nk_toggle_behavior(in, bounds, state, *active); - - /* draw selector */ - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (type == NK_TOGGLE_CHECK) { - if (style->draw.checkbox) - style->draw.checkbox(out, *state, - style, *active, &label, &select, &cursor, str, len, font); - else nk_draw_checkbox(out, *state, style, *active, &label, - &select, &cursor, str, len, font); - } else { - if (style->draw.radio) - style->draw.radio(out, *state, style, - *active, &label, &select, &cursor, str, len, font); - else nk_draw_option(out, *state, style, *active, &label, - &select, &cursor, str, len, font); - } - if (style->draw_end) - style->draw_end(out, style->userdata); - return (was_active != *active); -} - -/* =============================================================== - * - * SELECTABLE - * - * ===============================================================*/ -NK_INTERN void -nk_draw_selectable(struct nk_command_buffer *out, - nk_flags state, const struct nk_style_selectable *style, int active, - const struct nk_rect *bounds, const char *string, int len, - nk_flags align, const struct nk_user_font *font) -{ - const struct nk_style_item *background; - struct nk_text text; - text.padding = style->padding; - - /* select correct colors/images */ - if (!active) { - if (state & NK_WIDGET_STATE_ACTIVE) { - background = &style->pressed; - text.text = style->text_pressed; - } else if (state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover; - text.text = style->text_hover; - } else { - background = &style->normal; - text.text = style->text_normal; - } - } else { - if (state & NK_WIDGET_STATE_ACTIVE) { - background = &style->pressed_active; - text.text = style->text_pressed_active; - } else if (state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover_active; - text.text = style->text_hover_active; - } else { - background = &style->normal_active; - text.text = style->text_normal_active; - } - } - - /* draw selectable background and text */ - if (background->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(out, *bounds, &background->data.image); - text.background = nk_rgba(0,0,0,0); - } else { - nk_fill_rect(out, *bounds, style->rounding, background->data.color); - text.background = background->data.color; - } - nk_widget_text(out, *bounds, string, len, &text, align, font); -} - -NK_INTERN int -nk_do_selectable(nk_flags *state, struct nk_command_buffer *out, - struct nk_rect bounds, const char *str, int len, nk_flags align, int *value, - const struct nk_style_selectable *style, const struct nk_input *in, - const struct nk_user_font *font) -{ - int old_value; - struct nk_rect touch; - - NK_ASSERT(state); - NK_ASSERT(out); - NK_ASSERT(str); - NK_ASSERT(len); - NK_ASSERT(value); - NK_ASSERT(style); - NK_ASSERT(font); - - if (!state || !out || !str || !len || !value || !style || !font) return 0; - old_value = *value; - - /* remove padding */ - touch.x = bounds.x - style->touch_padding.x; - touch.y = bounds.y - style->touch_padding.y; - touch.w = bounds.w + style->touch_padding.x * 2; - touch.h = bounds.h + style->touch_padding.y * 2; - - /* update button */ - if (nk_button_behavior(state, touch, in, NK_BUTTON_DEFAULT)) - *value = !(*value); - - /* draw selectable */ - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw) - style->draw(out, *state, style, *value, &bounds, - str, len, align, font); - else nk_draw_selectable(out, *state, style, *value, &bounds, - str, len, align, font); - if (style->draw_end) - style->draw_end(out, style->userdata); - return old_value != *value; -} - -/* =============================================================== - * - * SLIDER - * - * ===============================================================*/ -NK_INTERN float -nk_slider_behavior(nk_flags *state, struct nk_rect *cursor, - const struct nk_input *in, const struct nk_style_slider *style, - struct nk_rect bounds, float slider_min, float slider_max, float slider_value, - float slider_step, float slider_steps) -{ - int inslider = in && nk_input_is_mouse_hovering_rect(in, bounds); - int incursor = in && nk_input_has_mouse_click_down_in_rect(in, NK_BUTTON_LEFT, - bounds, nk_true); - - *state = (inslider) ? NK_WIDGET_STATE_HOVERED: NK_WIDGET_STATE_INACTIVE; - if (in && inslider && incursor) - { - const float d = in->mouse.pos.x - (cursor->x + cursor->w / 2.0f); - const float pxstep = (bounds.w - (2 * style->padding.x)) / slider_steps; - - /* only update value if the next slider step is reached */ - *state = NK_WIDGET_STATE_ACTIVE; - if (NK_ABS(d) >= pxstep) { - float ratio = 0; - const float steps = (float)((int)(NK_ABS(d) / pxstep)); - slider_value += (d > 0) ? (slider_step*steps) : -(slider_step*steps); - slider_value = NK_CLAMP(slider_min, slider_value, slider_max); - ratio = (slider_value - slider_min)/slider_step; - cursor->x = bounds.x + (cursor->w * ratio); - } - } - - /* slider widget state */ - if (*state == NK_WIDGET_STATE_HOVERED && - !nk_input_is_mouse_prev_hovering_rect(in, bounds)) - *state |= NK_WIDGET_STATE_ENTERED; - else if (nk_input_is_mouse_prev_hovering_rect(in, bounds)) - *state |= NK_WIDGET_STATE_LEFT; - return slider_value; -} - -NK_INTERN void -nk_draw_slider(struct nk_command_buffer *out, nk_flags state, - const struct nk_style_slider *style, const struct nk_rect *bounds, - const struct nk_rect *virtual_cursor, float min, float value, float max) -{ - struct nk_rect fill; - struct nk_rect bar; - struct nk_rect scursor; - const struct nk_style_item *background; - - /* select correct slider images/colors */ - struct nk_color bar_color; - const struct nk_style_item *cursor; - if (state & NK_WIDGET_STATE_ACTIVE) { - background = &style->active; - bar_color = style->bar_active; - cursor = &style->cursor_active; - } else if (state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover; - bar_color = style->bar_hover; - cursor = &style->cursor_hover; - } else { - background = &style->normal; - bar_color = style->bar_normal; - cursor = &style->cursor_normal; - } - - /* calculate slider background bar */ - bar.x = bounds->x; - bar.y = (bounds->y + virtual_cursor->h/2) - virtual_cursor->h/8; - bar.w = bounds->w; - bar.h = bounds->h/6; - - /* resize virtual cursor to given size */ - scursor.h = style->cursor_size.y; - scursor.w = style->cursor_size.x; - scursor.y = (bar.y + bar.h/2.0f) - scursor.h/2.0f; - scursor.x = (value <= min) ? virtual_cursor->x: (value >= max) ? - ((bar.x + bar.w) - virtual_cursor->w): - virtual_cursor->x - (virtual_cursor->w/2); - - /* filled background bar style */ - fill.w = (scursor.x + (scursor.w/2.0f)) - bar.x; - fill.x = bar.x; - fill.y = bar.y; - fill.h = bar.h; - - /* draw background */ - if (background->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(out, *bounds, &background->data.image); - } else { - nk_fill_rect(out, *bounds, style->rounding, style->border_color); - nk_fill_rect(out, nk_shrink_rect(*bounds, style->border), style->rounding, - background->data.color); - } - - /* draw slider bar */ - nk_fill_rect(out, bar, style->rounding, bar_color); - nk_fill_rect(out, fill, style->rounding, style->bar_filled); - - /* draw cursor */ - if (cursor->type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, scursor, &cursor->data.image); - else nk_fill_circle(out, scursor, cursor->data.color); -} - -NK_INTERN float -nk_do_slider(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect bounds, - float min, float val, float max, float step, - const struct nk_style_slider *style, const struct nk_input *in, - const struct nk_user_font *font) -{ - float slider_range; - float slider_min; - float slider_max; - float slider_value; - float slider_steps; - float cursor_offset; - struct nk_rect cursor; - - NK_ASSERT(style); - NK_ASSERT(out); - if (!out || !style) - return 0; - - /* remove padding from slider bounds */ - bounds.x = bounds.x + style->padding.x; - bounds.y = bounds.y + style->padding.y; - bounds.h = NK_MAX(bounds.h, 2 * style->padding.y); - bounds.w = NK_MAX(bounds.w, 1 + bounds.h + 2 * style->padding.x); - bounds.h -= 2 * style->padding.y; - bounds.w -= 2 * style->padding.y; - - /* optional buttons */ - if (style->show_buttons) { - nk_flags ws; - struct nk_rect button; - button.y = bounds.y; - button.w = bounds.h; - button.h = bounds.h; - - /* decrement button */ - button.x = bounds.x; - if (nk_do_button_symbol(&ws, out, button, style->dec_symbol, NK_BUTTON_DEFAULT, - &style->dec_button, in, font)) - val -= step; - - /* increment button */ - button.x = (bounds.x + bounds.w) - button.w; - if (nk_do_button_symbol(&ws, out, button, style->inc_symbol, NK_BUTTON_DEFAULT, - &style->inc_button, in, font)) - val += step; - - bounds.x = bounds.x + button.w + style->spacing.x; - bounds.w = bounds.w - (2 * button.w + 2 * style->spacing.x); - } - - /* make sure the provided values are correct */ - slider_max = NK_MAX(min, max); - slider_min = NK_MIN(min, max); - slider_value = NK_CLAMP(slider_min, val, slider_max); - slider_range = slider_max - slider_min; - slider_steps = slider_range / step; - - /* calculate slider virtual cursor bounds */ - cursor_offset = (slider_value - slider_min) / step; - cursor.h = bounds.h; - cursor.w = bounds.w / (slider_steps + 1); - cursor.x = bounds.x + (cursor.w * cursor_offset); - cursor.y = bounds.y; - slider_value = nk_slider_behavior(state, &cursor, in, style, bounds, - slider_min, slider_max, slider_value, step, slider_steps); - - /* draw slider */ - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw) - style->draw(out, *state, style, &bounds, &cursor, - slider_min, slider_value, slider_max); - else nk_draw_slider(out, *state, style, &bounds, &cursor, - slider_min, slider_value, slider_max); - if (style->draw_end) - style->draw_end(out, style->userdata); - return slider_value; -} - -/* =============================================================== - * - * PROGRESSBAR - * - * ===============================================================*/ -NK_INTERN nk_size -nk_progress_behavior(nk_flags *state, const struct nk_input *in, - struct nk_rect r, nk_size max, nk_size value, int modifiable) -{ - *state = NK_WIDGET_STATE_INACTIVE; - if (in && modifiable && nk_input_is_mouse_hovering_rect(in, r)) { - if (nk_input_is_mouse_down(in, NK_BUTTON_LEFT)) { - float ratio = NK_MAX(0, (float)(in->mouse.pos.x - r.x)) / (float)r.w; - value = (nk_size)NK_MAX(0,((float)max * ratio)); - *state = NK_WIDGET_STATE_ACTIVE; - } else *state = NK_WIDGET_STATE_HOVERED; - } - - /* set progressbar widget state */ - if (*state == NK_WIDGET_STATE_HOVERED && !nk_input_is_mouse_prev_hovering_rect(in, r)) - *state |= NK_WIDGET_STATE_ENTERED; - else if (nk_input_is_mouse_prev_hovering_rect(in, r)) - *state |= NK_WIDGET_STATE_LEFT; - - if (!max) return value; - value = NK_MIN(value, max); - return value; -} - -NK_INTERN void -nk_draw_progress(struct nk_command_buffer *out, nk_flags state, - const struct nk_style_progress *style, const struct nk_rect *bounds, - const struct nk_rect *scursor, nk_size value, nk_size max) -{ - const struct nk_style_item *background; - const struct nk_style_item *cursor; - - NK_UNUSED(max); - NK_UNUSED(value); - - /* select correct colors/images to draw */ - if (state & NK_WIDGET_STATE_ACTIVE) { - background = &style->active; - cursor = &style->cursor_active; - } else if (state & NK_WIDGET_STATE_HOVERED){ - background = &style->hover; - cursor = &style->cursor_hover; - } else { - background = &style->normal; - cursor = &style->cursor_normal; - } - - /* draw background */ - if (background->type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, *bounds, &background->data.image); - else nk_fill_rect(out, *bounds, style->rounding, background->data.color); - - /* draw cursor */ - if (cursor->type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, *scursor, &cursor->data.image); - else nk_fill_rect(out, *scursor, style->rounding, cursor->data.color); -} - -NK_INTERN nk_size -nk_do_progress(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect bounds, - nk_size value, nk_size max, int modifiable, - const struct nk_style_progress *style, const struct nk_input *in) -{ - float prog_scale; - nk_size prog_value; - struct nk_rect cursor; - - NK_ASSERT(style); - NK_ASSERT(out); - if (!out || !style) return 0; - - /* calculate progressbar cursor */ - cursor.w = NK_MAX(bounds.w, 2 * style->padding.x); - cursor.h = NK_MAX(bounds.h, 2 * style->padding.y); - cursor = nk_pad_rect(bounds, nk_vec2(style->padding.x, style->padding.y)); - prog_scale = (float)value / (float)max; - cursor.w = (bounds.w - 2) * prog_scale; - - /* update progressbar */ - prog_value = NK_MIN(value, max); - prog_value = nk_progress_behavior(state, in, bounds, max, prog_value, modifiable); - - /* draw progressbar */ - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw) - style->draw(out, *state, style, &bounds, &cursor, value, max); - else nk_draw_progress(out, *state, style, &bounds, &cursor, value, max); - if (style->draw_end) - style->draw_end(out, style->userdata); - return prog_value; -} - -/* =============================================================== - * - * SCROLLBAR - * - * ===============================================================*/ -NK_INTERN float -nk_scrollbar_behavior(nk_flags *state, struct nk_input *in, - int has_scrolling, struct nk_rect scroll, - struct nk_rect cursor, float scroll_offset, - float target, float scroll_step, enum nk_orientation o) -{ - int left_mouse_down; - int left_mouse_click_in_cursor; - if (!in) return scroll_offset; - - *state = NK_WIDGET_STATE_INACTIVE; - left_mouse_down = in->mouse.buttons[NK_BUTTON_LEFT].down; - left_mouse_click_in_cursor = nk_input_has_mouse_click_down_in_rect(in, - NK_BUTTON_LEFT, cursor, nk_true); - if (nk_input_is_mouse_hovering_rect(in, scroll)) - *state = NK_WIDGET_STATE_HOVERED; - - if (left_mouse_down && left_mouse_click_in_cursor) { - /* update cursor by mouse dragging */ - float pixel, delta; - *state = NK_WIDGET_STATE_ACTIVE; - if (o == NK_VERTICAL) { - pixel = in->mouse.delta.y; - delta = (pixel / scroll.h) * target; - scroll_offset = NK_CLAMP(0, scroll_offset + delta, target - scroll.h); - /* This is probably one of my most disgusting hacks I have ever done. - * This basically changes the mouse clicked position with the moving - * cursor. This allows for better scroll behavior but resulted into me - * having to remove const correctness for input. But in the end I believe - * it is worth it. */ - in->mouse.buttons[NK_BUTTON_LEFT].clicked_pos.y += in->mouse.delta.y; - } else { - pixel = in->mouse.delta.x; - delta = (pixel / scroll.w) * target; - scroll_offset = NK_CLAMP(0, scroll_offset + delta, target - scroll.w); - in->mouse.buttons[NK_BUTTON_LEFT].clicked_pos.x += in->mouse.delta.x; - } - } else if (has_scrolling && ((in->mouse.scroll_delta<0) || - (in->mouse.scroll_delta>0))) { - /* update cursor by mouse scrolling */ - scroll_offset = scroll_offset + scroll_step * (-in->mouse.scroll_delta); - if (o == NK_VERTICAL) - scroll_offset = NK_CLAMP(0, scroll_offset, target - scroll.h); - else scroll_offset = NK_CLAMP(0, scroll_offset, target - scroll.w); - } - if (*state == NK_WIDGET_STATE_HOVERED && !nk_input_is_mouse_prev_hovering_rect(in, scroll)) - *state |= NK_WIDGET_STATE_ENTERED; - else if (nk_input_is_mouse_prev_hovering_rect(in, scroll)) - *state |= NK_WIDGET_STATE_LEFT; - return scroll_offset; -} - -NK_INTERN void -nk_draw_scrollbar(struct nk_command_buffer *out, nk_flags state, - const struct nk_style_scrollbar *style, const struct nk_rect *bounds, - const struct nk_rect *scroll) -{ - const struct nk_style_item *background; - const struct nk_style_item *cursor; - - /* select correct colors/images to draw */ - if (state & NK_WIDGET_STATE_ACTIVE) { - background = &style->active; - cursor = &style->cursor_active; - } else if (state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover; - cursor = &style->cursor_hover; - } else { - background = &style->normal; - cursor = &style->cursor_normal; - } - - /* draw background */ - if (background->type == NK_STYLE_ITEM_COLOR) { - nk_fill_rect(out, *bounds, style->rounding, style->border_color); - nk_fill_rect(out, nk_shrink_rect(*bounds,style->border), - style->rounding, background->data.color); - } else { - nk_draw_image(out, *bounds, &background->data.image); - } - - /* draw cursor */ - if (cursor->type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, *scroll, &cursor->data.image); - else nk_fill_rect(out, *scroll, style->rounding, cursor->data.color); -} - -NK_INTERN float -nk_do_scrollbarv(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect scroll, int has_scrolling, - float offset, float target, float step, float button_pixel_inc, - const struct nk_style_scrollbar *style, struct nk_input *in, - const struct nk_user_font *font) -{ - struct nk_rect cursor; - float scroll_step; - float scroll_offset; - float scroll_off; - float scroll_ratio; - - NK_ASSERT(out); - NK_ASSERT(style); - NK_ASSERT(state); - if (!out || !style) return 0; - - scroll.w = NK_MAX(scroll.w, 1); - scroll.h = NK_MAX(scroll.h, 2 * scroll.w); - if (target <= scroll.h) return 0; - - /* optional scrollbar buttons */ - if (style->show_buttons) { - nk_flags ws; - float scroll_h; - struct nk_rect button; - button.x = scroll.x; - button.w = scroll.w; - button.h = scroll.w; - - scroll_h = scroll.h - 2 * button.h; - scroll_step = NK_MIN(step, button_pixel_inc); - - /* decrement button */ - button.y = scroll.y; - if (nk_do_button_symbol(&ws, out, button, style->dec_symbol, - NK_BUTTON_REPEATER, &style->dec_button, in, font)) - offset = offset - scroll_step; - - /* increment button */ - button.y = scroll.y + scroll.h - button.h; - if (nk_do_button_symbol(&ws, out, button, style->inc_symbol, - NK_BUTTON_REPEATER, &style->inc_button, in, font)) - offset = offset + scroll_step; - - scroll.y = scroll.y + button.h; - scroll.h = scroll_h; - } - - /* calculate scrollbar constants */ - scroll_step = NK_MIN(step, scroll.h); - scroll_offset = NK_CLAMP(0, offset, target - scroll.h); - scroll_ratio = scroll.h / target; - scroll_off = scroll_offset / target; - - /* calculate scrollbar cursor bounds */ - cursor.h = (scroll_ratio * scroll.h - 2); - cursor.y = scroll.y + (scroll_off * scroll.h) + 1; - cursor.w = scroll.w - 2; - cursor.x = scroll.x + 1; - - /* update scrollbar */ - scroll_offset = nk_scrollbar_behavior(state, in, has_scrolling, scroll, cursor, - scroll_offset, target, scroll_step, NK_VERTICAL); - scroll_off = scroll_offset / target; - cursor.y = scroll.y + (scroll_off * scroll.h); - - /* draw scrollbar */ - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw) - style->draw(out, *state, style, &scroll, &cursor); - else nk_draw_scrollbar(out, *state, style, &scroll, &cursor); - if (style->draw_end) - style->draw_end(out, style->userdata); - return scroll_offset; -} - -NK_INTERN float -nk_do_scrollbarh(nk_flags *state, - struct nk_command_buffer *out, struct nk_rect scroll, int has_scrolling, - float offset, float target, float step, float button_pixel_inc, - const struct nk_style_scrollbar *style, struct nk_input *in, - const struct nk_user_font *font) -{ - struct nk_rect cursor; - float scroll_step; - float scroll_offset; - float scroll_off; - float scroll_ratio; - - NK_ASSERT(out); - NK_ASSERT(style); - if (!out || !style) return 0; - - /* scrollbar background */ - scroll.h = NK_MAX(scroll.h, 1); - scroll.w = NK_MAX(scroll.w, 2 * scroll.h); - if (target <= scroll.w) return 0; - - /* optional scrollbar buttons */ - if (style->show_buttons) { - nk_flags ws; - float scroll_w; - struct nk_rect button; - button.y = scroll.y; - button.w = scroll.h; - button.h = scroll.h; - - scroll_w = scroll.w - 2 * button.w; - scroll_step = NK_MIN(step, button_pixel_inc); - - /* decrement button */ - button.x = scroll.x; - if (nk_do_button_symbol(&ws, out, button, style->dec_symbol, - NK_BUTTON_REPEATER, &style->dec_button, in, font)) - offset = offset - scroll_step; - - /* increment button */ - button.x = scroll.x + scroll.w - button.w; - if (nk_do_button_symbol(&ws, out, button, style->inc_symbol, - NK_BUTTON_REPEATER, &style->inc_button, in, font)) - offset = offset + scroll_step; - - scroll.x = scroll.x + button.w; - scroll.w = scroll_w; - } - - /* calculate scrollbar constants */ - scroll_step = NK_MIN(step, scroll.w); - scroll_offset = NK_CLAMP(0, offset, target - scroll.w); - scroll_ratio = scroll.w / target; - scroll_off = scroll_offset / target; - - /* calculate cursor bounds */ - cursor.w = scroll_ratio * scroll.w - 2; - cursor.x = scroll.x + (scroll_off * scroll.w) + 1; - cursor.h = scroll.h - 2; - cursor.y = scroll.y + 1; - - /* update scrollbar */ - scroll_offset = nk_scrollbar_behavior(state, in, has_scrolling, scroll, cursor, - scroll_offset, target, scroll_step, NK_HORIZONTAL); - scroll_off = scroll_offset / target; - cursor.x = scroll.x + (scroll_off * scroll.w); - - /* draw scrollbar */ - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw) - style->draw(out, *state, style, &scroll, &cursor); - else nk_draw_scrollbar(out, *state, style, &scroll, &cursor); - if (style->draw_end) - style->draw_end(out, style->userdata); - return scroll_offset; -} - -/* =============================================================== - * - * FILTER - * - * ===============================================================*/ -NK_API int nk_filter_default(const struct nk_text_edit *box, nk_rune unicode) -{(void)unicode;NK_UNUSED(box);return nk_true;} - -NK_API int -nk_filter_ascii(const struct nk_text_edit *box, nk_rune unicode) -{ - NK_UNUSED(box); - if (unicode > 128) return nk_false; - else return nk_true; -} - -NK_API int -nk_filter_float(const struct nk_text_edit *box, nk_rune unicode) -{ - NK_UNUSED(box); - if ((unicode < '0' || unicode > '9') && unicode != '.' && unicode != '-') - return nk_false; - else return nk_true; -} - -NK_API int -nk_filter_decimal(const struct nk_text_edit *box, nk_rune unicode) -{ - NK_UNUSED(box); - if ((unicode < '0' || unicode > '9') && unicode != '-') - return nk_false; - else return nk_true; -} - -NK_API int -nk_filter_hex(const struct nk_text_edit *box, nk_rune unicode) -{ - NK_UNUSED(box); - if ((unicode < '0' || unicode > '9') && - (unicode < 'a' || unicode > 'f') && - (unicode < 'A' || unicode > 'F')) - return nk_false; - else return nk_true; -} - -NK_API int -nk_filter_oct(const struct nk_text_edit *box, nk_rune unicode) -{ - NK_UNUSED(box); - if (unicode < '0' || unicode > '7') - return nk_false; - else return nk_true; -} - -NK_API int -nk_filter_binary(const struct nk_text_edit *box, nk_rune unicode) -{ - NK_UNUSED(box); - if (unicode != '0' && unicode != '1') - return nk_false; - else return nk_true; -} - -/* =============================================================== - * - * EDIT - * - * ===============================================================*/ -NK_INTERN void -nk_edit_draw_text(struct nk_command_buffer *out, - const struct nk_style_edit *style, float pos_x, float pos_y, - float x_offset, const char *text, int byte_len, float row_height, - const struct nk_user_font *font, struct nk_color background, - struct nk_color foreground, int is_selected) -{ - NK_ASSERT(out); - NK_ASSERT(font); - NK_ASSERT(style); - if (!text || !byte_len || !out || !style) return; - - {int glyph_len = 0; - nk_rune unicode = 0; - int text_len = 0; - float line_width = 0; - float glyph_width; - const char *line = text; - float line_offset = 0; - int line_count = 0; - - struct nk_text txt; - txt.padding = nk_vec2(0,0); - txt.background = background; - txt.text = foreground; - - glyph_len = nk_utf_decode(text+text_len, &unicode, byte_len-text_len); - if (!glyph_len) return; - while ((text_len < byte_len) && glyph_len) - { - if (unicode == '\n') { - /* new line sepeator so draw previous line */ - struct nk_rect label; - label.y = pos_y + line_offset; - label.h = row_height; - label.w = line_width; - label.x = pos_x; - if (!line_count) - label.x += x_offset; - - if (is_selected) /* selection needs to draw different background color */ - nk_fill_rect(out, label, 0, background); - nk_widget_text(out, label, line, (int)((text + text_len) - line), - &txt, NK_TEXT_CENTERED, font); - - text_len++; - line_count++; - line_width = 0; - line = text + text_len; - line_offset += row_height; - glyph_len = nk_utf_decode(text + text_len, &unicode, (int)(byte_len-text_len)); - continue; - } - if (unicode == '\r') { - text_len++; - glyph_len = nk_utf_decode(text + text_len, &unicode, byte_len-text_len); - continue; - } - glyph_width = font->width(font->userdata, font->height, text+text_len, glyph_len); - line_width += (float)glyph_width; - text_len += glyph_len; - glyph_len = nk_utf_decode(text + text_len, &unicode, byte_len-text_len); - continue; - } - if (line_width > 0) { - /* draw last line */ - struct nk_rect label; - label.y = pos_y + line_offset; - label.h = row_height; - label.w = line_width; - label.x = pos_x; - if (!line_count) - label.x += x_offset; - - if (is_selected) - nk_fill_rect(out, label, 0, background); - nk_widget_text(out, label, line, (int)((text + text_len) - line), - &txt, NK_TEXT_LEFT, font); - }} -} - -NK_INTERN nk_flags -nk_do_edit(nk_flags *state, struct nk_command_buffer *out, - struct nk_rect bounds, nk_flags flags, nk_filter filter, - struct nk_text_edit *edit, const struct nk_style_edit *style, - struct nk_input *in, const struct nk_user_font *font) -{ - struct nk_rect area; - nk_flags ret = 0; - float row_height; - char prev_state = 0; - char is_hovered = 0; - char select_all = 0; - char cursor_follow = 0; - - NK_ASSERT(state); - NK_ASSERT(out); - NK_ASSERT(style); - if (!state || !out || !style) - return ret; - - /* visible text area calculation */ - area.x = bounds.x + style->padding.x + style->border; - area.y = bounds.y + style->padding.y + style->border; - area.w = bounds.w - (2.0f * style->padding.x + 2 * style->border); - area.h = bounds.h - (2.0f * style->padding.y + 2 * style->border); - if (flags & NK_EDIT_MULTILINE) - area.h = area.h - style->scrollbar_size.y; - row_height = (flags & NK_EDIT_MULTILINE)? font->height + style->row_padding: area.h; - - /* update edit state */ - prev_state = (char)edit->active; - is_hovered = (char)nk_input_is_mouse_hovering_rect(in, bounds); - if (in && in->mouse.buttons[NK_BUTTON_LEFT].clicked && in->mouse.buttons[NK_BUTTON_LEFT].down) { - edit->active = NK_INBOX(in->mouse.pos.x, in->mouse.pos.y, - bounds.x, bounds.y, bounds.w, bounds.h); - } - - /* (de)activate text editor */ - if (!prev_state && edit->active) { - const enum nk_text_edit_type type = (flags & NK_EDIT_MULTILINE) ? - NK_TEXT_EDIT_MULTI_LINE: NK_TEXT_EDIT_SINGLE_LINE; - nk_textedit_clear_state(edit, type, filter); - if (flags & NK_EDIT_ALWAYS_INSERT_MODE) - edit->insert_mode = nk_true; - if (flags & NK_EDIT_AUTO_SELECT) - select_all = nk_true; - } else if (!edit->active) edit->insert_mode = 0; - - ret = (edit->active) ? NK_EDIT_ACTIVE: NK_EDIT_INACTIVE; - if (prev_state != edit->active) - ret |= (edit->active) ? NK_EDIT_ACTIVATED: NK_EDIT_DEACTIVATED; - - /* handle user input */ - if (edit->active && in && !(flags & NK_EDIT_READ_ONLY)) - { - int shift_mod = in->keyboard.keys[NK_KEY_SHIFT].down; - const float mouse_x = (in->mouse.pos.x - area.x) + edit->scrollbar.x; - const float mouse_y = (!(flags & NK_EDIT_MULTILINE)) ? - (in->mouse.pos.y - (area.y + area.h * 0.5f)) + edit->scrollbar.y: - (in->mouse.pos.y - area.y) + edit->scrollbar.y; - - /* mouse click handler */ - if (select_all) { - nk_textedit_select_all(edit); - } else if (is_hovered && in->mouse.buttons[NK_BUTTON_LEFT].down && - in->mouse.buttons[NK_BUTTON_LEFT].clicked) { - nk_textedit_click(edit, mouse_x, mouse_y, font, row_height); - } else if (is_hovered && in->mouse.buttons[NK_BUTTON_LEFT].down && - (in->mouse.delta.x != 0.0f || in->mouse.delta.y != 0.0f)) { - nk_textedit_drag(edit, mouse_x, mouse_y, font, row_height); - cursor_follow = nk_true; - } else if (is_hovered && in->mouse.buttons[NK_BUTTON_RIGHT].clicked && - in->mouse.buttons[NK_BUTTON_RIGHT].down) { - nk_textedit_key(edit, NK_KEY_TEXT_WORD_LEFT, nk_false, font, row_height); - nk_textedit_key(edit, NK_KEY_TEXT_WORD_RIGHT, nk_true, font, row_height); - cursor_follow = nk_true; - } - - {int i; /* keyboard input */ - for (i = 0; i < NK_KEY_MAX; ++i) { - if (nk_input_is_key_pressed(in, (enum nk_keys)i)) { - if (i == NK_KEY_ENTER) continue; /* special case */ - nk_textedit_key(edit, (enum nk_keys)i, shift_mod, font, row_height); - cursor_follow = nk_true; - } - }} - - /* text input */ - edit->filter = filter; - if (in->keyboard.text_len) { - nk_textedit_text(edit, in->keyboard.text, in->keyboard.text_len); - cursor_follow = nk_true; - } - - /* enter key handler */ - if (nk_input_is_key_pressed(in, NK_KEY_ENTER)) { - if (flags & NK_EDIT_CTRL_ENTER_NEWLINE && shift_mod) { - nk_textedit_text(edit, "\n", 1); - } else if (flags & NK_EDIT_SIG_ENTER) { - ret = NK_EDIT_INACTIVE; - ret |= NK_EDIT_DEACTIVATED; - ret |= NK_EDIT_COMMITED; - edit->active = 0; - } else nk_textedit_text(edit, "\n", 1); - } - - /* cut & copy handler */ - {int copy= nk_input_is_key_pressed(in, NK_KEY_COPY); - int cut = nk_input_is_key_pressed(in, NK_KEY_CUT); - if ((copy || cut) && (flags & NK_EDIT_CLIPBOARD) && edit->clip.copy) - { - int glyph_len; - nk_rune unicode; - const char *text; - int begin = edit->select_start; - int end = edit->select_end; - - begin = NK_MIN(begin, end); - end = NK_MAX(begin, end); - text = nk_str_at_const(&edit->string, begin, &unicode, &glyph_len); - edit->clip.copy(edit->clip.userdata, text, end - begin); - if (cut){ - nk_textedit_cut(edit); - cursor_follow = nk_true; - } - }} - - /* paste handler */ - {int paste = nk_input_is_key_pressed(in, NK_KEY_PASTE); - if (paste && (flags & NK_EDIT_CLIPBOARD) && edit->clip.paste) { - edit->clip.paste(edit->clip.userdata, edit); - cursor_follow = nk_true; - }} - - /* tab handler */ - {int tab = nk_input_is_key_pressed(in, NK_KEY_TAB); - if (tab && (flags & NK_EDIT_ALLOW_TAB)) { - const char c = '\t'; - if (filter && filter(edit, (nk_rune)c)) { - nk_textedit_text(edit, &c, 1); - cursor_follow = nk_true; - } - }} - } - - /* set widget state */ - if (edit->active) - *state = NK_WIDGET_STATE_ACTIVE; - else *state = NK_WIDGET_STATE_INACTIVE; - if (is_hovered) - *state |= NK_WIDGET_STATE_HOVERED; - - /* DRAW EDIT */ - {struct nk_rect clip; - struct nk_rect old_clip = out->clip; - const char *text = nk_str_get_const(&edit->string); - int len = nk_str_len_char(&edit->string); - - {/* select background colors/images */ - const struct nk_style_item *background; - if (*state & NK_WIDGET_STATE_ACTIVE) - background = &style->active; - else if (*state & NK_WIDGET_STATE_HOVERED) - background = &style->hover; - else background = &style->normal; - - /* draw background frame */ - if (background->type == NK_STYLE_ITEM_COLOR) { - nk_fill_rect(out, bounds, style->rounding, style->border_color); - nk_fill_rect(out, nk_shrink_rect(bounds,style->border), - style->rounding, background->data.color); - } else nk_draw_image(out, bounds, &background->data.image);} - - area.w -= style->cursor_size; - nk_unify(&clip, &old_clip, area.x, area.y, area.x + area.w, area.y + area.h); - nk_push_scissor(out, clip); - if (edit->active) - { - int total_lines = 1; - struct nk_vec2 text_size = nk_vec2(0,0); - - /* text pointer positions */ - const char *cursor_ptr = 0; - const char *select_begin_ptr = 0; - const char *select_end_ptr = 0; - - /* 2D pixel positions */ - struct nk_vec2 cursor_pos = nk_vec2(0,0); - struct nk_vec2 selection_offset_start = nk_vec2(0,0); - struct nk_vec2 selection_offset_end = nk_vec2(0,0); - - int selection_begin = NK_MIN(edit->select_start, edit->select_end); - int selection_end = NK_MAX(edit->select_start, edit->select_end); - - /* calculate total line count + total space + cursor/selection position */ - float line_width = 0.0f; - if (text && len) - { - /* utf8 encoding */ - float glyph_width; - int glyph_len = 0; - nk_rune unicode = 0; - int text_len = 0; - int glyphs = 0; - int row_begin = 0; - - glyph_len = nk_utf_decode(text, &unicode, len); - glyph_width = font->width(font->userdata, font->height, text, glyph_len); - line_width = 0; - - /* iterate all lines */ - while ((text_len < len) && glyph_len) - { - /* set cursor 2D position and line */ - if (!cursor_ptr && glyphs == edit->cursor) - { - int glyph_offset; - struct nk_vec2 out_offset; - struct nk_vec2 row_size; - const char *remaining; - - /* calculate 2d position */ - cursor_pos.y = (float)(total_lines-1) * row_height; - row_size = nk_text_calculate_text_bounds(font, text+row_begin, - text_len-row_begin, row_height, &remaining, - &out_offset, &glyph_offset, NK_STOP_ON_NEW_LINE); - cursor_pos.x = row_size.x; - cursor_ptr = text + text_len; - } - - /* set start selection 2D position and line */ - if (!select_begin_ptr && edit->select_start != edit->select_end && - glyphs == selection_begin) - { - int glyph_offset; - struct nk_vec2 out_offset; - struct nk_vec2 row_size; - const char *remaining; - - /* calculate 2d position */ - selection_offset_start.y = (float)(total_lines-1) * row_height; - row_size = nk_text_calculate_text_bounds(font, text+row_begin, - text_len-row_begin, row_height, &remaining, - &out_offset, &glyph_offset, NK_STOP_ON_NEW_LINE); - selection_offset_start.x = row_size.x; - select_begin_ptr = text + text_len; - if (*select_begin_ptr == '\n') - select_begin_ptr++; - } - - /* set end selection 2D position and line */ - if (!select_end_ptr && edit->select_start != edit->select_end && - glyphs == selection_end) - { - int glyph_offset; - struct nk_vec2 out_offset; - struct nk_vec2 row_size; - const char *remaining; - - /* calculate 2d position */ - selection_offset_end.y = (float)(total_lines-1) * row_height; - row_size = nk_text_calculate_text_bounds(font, text+row_begin, - text_len-row_begin, row_height, &remaining, - &out_offset, &glyph_offset, NK_STOP_ON_NEW_LINE); - selection_offset_end.x = row_size.x; - select_end_ptr = text + text_len; - if (*select_end_ptr == '\n') - select_end_ptr++; - - } - if (unicode == '\n') { - text_size.x = NK_MAX(text_size.x, line_width); - total_lines++; - line_width = 0; - text_len++; - glyphs++; - row_begin = text_len; - glyph_len = nk_utf_decode(text + text_len, &unicode, len-text_len); - continue; - } - - glyphs++; - text_len += glyph_len; - line_width += (float)glyph_width; - - glyph_width = font->width(font->userdata, font->height, - text+text_len, glyph_len); - glyph_len = nk_utf_decode(text + text_len, &unicode, len-text_len); - continue; - } - text_size.y = (float)total_lines * row_height; - - /* handle case if cursor is at end of text buffer */ - if (!cursor_ptr && edit->cursor == edit->string.len) { - cursor_pos.x = line_width; - cursor_pos.y = text_size.y - row_height; - } - } - { - /* scrollbar */ - if (cursor_follow) - { - /* update scrollbar to follow cursor */ - if (!(flags & NK_EDIT_NO_HORIZONTAL_SCROLL)) { - /* horizontal scroll */ - const float scroll_increment = area.w * 0.25f; - if (cursor_pos.x < edit->scrollbar.x) - edit->scrollbar.x = (float)(int)NK_MAX(0.0f, cursor_pos.x - scroll_increment); - if (cursor_pos.x >= edit->scrollbar.x + area.w) - edit->scrollbar.x = (float)(int)NK_MAX(0.0f, cursor_pos.x + scroll_increment); - } else edit->scrollbar.x = 0; - - if (flags & NK_EDIT_MULTILINE) { - /* vertical scroll */ - if (cursor_pos.y < edit->scrollbar.y) - edit->scrollbar.y = NK_MAX(0.0f, cursor_pos.y - row_height); - if (cursor_pos.y >= edit->scrollbar.y + area.h) - edit->scrollbar.y = edit->scrollbar.y + row_height; - } else edit->scrollbar.y = 0; - } - - /* scrollbar widget */ - {nk_flags ws; - struct nk_rect scroll; - float scroll_target; - float scroll_offset; - float scroll_step; - float scroll_inc; - - scroll.x = (bounds.x + bounds.w) - style->scrollbar_size.x; - scroll.y = bounds.y; - scroll.w = style->scrollbar_size.x; - scroll.h = bounds.h; - - scroll_offset = edit->scrollbar.y; - scroll_step = scroll.h * 0.10f; - scroll_inc = scroll.h * 0.01f; - scroll_target = text_size.y; - edit->scrollbar.y = nk_do_scrollbarv(&ws, out, bounds, 0, - scroll_offset, scroll_target, scroll_step, scroll_inc, - &style->scrollbar, in, font);} - } - - /* draw text */ - {struct nk_color background_color; - struct nk_color text_color; - struct nk_color sel_background_color; - struct nk_color sel_text_color; - struct nk_color cursor_color; - struct nk_color cursor_text_color; - const struct nk_style_item *background; - - /* select correct colors to draw */ - if (*state & NK_WIDGET_STATE_ACTIVE) { - background = &style->active; - text_color = style->text_active; - sel_text_color = style->selected_text_hover; - sel_background_color = style->selected_hover; - cursor_color = style->cursor_hover; - cursor_text_color = style->cursor_text_hover; - } else if (*state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover; - text_color = style->text_hover; - sel_text_color = style->selected_text_hover; - sel_background_color = style->selected_hover; - cursor_text_color = style->cursor_text_hover; - cursor_color = style->cursor_hover; - } else { - background = &style->normal; - text_color = style->text_normal; - sel_text_color = style->selected_text_normal; - sel_background_color = style->selected_normal; - cursor_color = style->cursor_normal; - cursor_text_color = style->cursor_text_normal; - } - if (background->type == NK_STYLE_ITEM_IMAGE) - background_color = nk_rgba(0,0,0,0); - else background_color = background->data.color; - - - if (edit->select_start == edit->select_end) { - /* no selection so just draw the complete text */ - const char *begin = nk_str_get_const(&edit->string); - int l = nk_str_len_char(&edit->string); - nk_edit_draw_text(out, style, area.x - edit->scrollbar.x, - area.y - edit->scrollbar.y, 0, begin, l, row_height, font, - background_color, text_color, nk_false); - } else { - /* edit has selection so draw 1-3 text chunks */ - if (edit->select_start != edit->select_end && selection_begin > 0){ - /* draw unselected text before selection */ - const char *begin = nk_str_get_const(&edit->string); - NK_ASSERT(select_begin_ptr); - nk_edit_draw_text(out, style, area.x - edit->scrollbar.x, - area.y - edit->scrollbar.y, 0, begin, (int)(select_begin_ptr - begin), - row_height, font, background_color, text_color, nk_false); - } - if (edit->select_start != edit->select_end) { - /* draw selected text */ - NK_ASSERT(select_begin_ptr); - if (!select_end_ptr) { - const char *begin = nk_str_get_const(&edit->string); - select_end_ptr = begin + nk_str_len_char(&edit->string); - } - nk_edit_draw_text(out, style, - area.x - edit->scrollbar.x, - area.y + selection_offset_start.y - edit->scrollbar.y, - selection_offset_start.x, - select_begin_ptr, (int)(select_end_ptr - select_begin_ptr), - row_height, font, sel_background_color, sel_text_color, nk_true); - } - if ((edit->select_start != edit->select_end && - selection_end < edit->string.len)) - { - /* draw unselected text after selected text */ - const char *begin = select_end_ptr; - const char *end = nk_str_get_const(&edit->string) + - nk_str_len_char(&edit->string); - NK_ASSERT(select_end_ptr); - nk_edit_draw_text(out, style, - area.x - edit->scrollbar.x, - area.y + selection_offset_end.y - edit->scrollbar.y, - selection_offset_end.x, - begin, (int)(end - begin), row_height, font, - background_color, text_color, nk_true); - } - } - - /* cursor */ - if (edit->select_start == edit->select_end) - { - if (edit->cursor == nk_str_len(&edit->string) || (cursor_ptr && *cursor_ptr == '\n')) { - /* draw cursor at end of line */ - struct nk_rect cursor; - cursor.w = style->cursor_size; - cursor.h = font->height; - cursor.x = area.x + cursor_pos.x - edit->scrollbar.x; - cursor.y = area.y + cursor_pos.y + row_height/2.0f - cursor.h/2.0f; - cursor.y -= edit->scrollbar.y; - nk_fill_rect(out, cursor, 0, cursor_color); - } else { - /* draw cursor at inside text */ - int glyph_len; - struct nk_rect label; - struct nk_text txt; - - nk_rune unicode; - NK_ASSERT(cursor_ptr); - glyph_len = nk_utf_decode(cursor_ptr, &unicode, 4); - - label.x = area.x + cursor_pos.x - edit->scrollbar.x; - label.y = area.y + cursor_pos.y - edit->scrollbar.y; - label.w = font->width(font->userdata, font->height, cursor_ptr, glyph_len); - label.h = row_height; - - txt.padding = nk_vec2(0,0); - txt.background = cursor_color; - txt.text = cursor_text_color; - nk_fill_rect(out, label, 0, cursor_color); - nk_widget_text(out, label, cursor_ptr, glyph_len, &txt, NK_TEXT_LEFT, font); - } - }} - } else { - /* not active so just draw text */ - int l = nk_str_len(&edit->string); - const char *begin = nk_str_get_const(&edit->string); - - const struct nk_style_item *background; - struct nk_color background_color; - struct nk_color text_color; - if (*state & NK_WIDGET_STATE_ACTIVE) { - background = &style->active; - text_color = style->text_active; - } else if (*state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover; - text_color = style->text_hover; - } else { - background = &style->normal; - text_color = style->text_normal; - } - if (background->type == NK_STYLE_ITEM_IMAGE) - background_color = nk_rgba(0,0,0,0); - else background_color = background->data.color; - nk_edit_draw_text(out, style, area.x - edit->scrollbar.x, - area.y - edit->scrollbar.y, 0, begin, l, row_height, font, - background_color, text_color, nk_false); - } - nk_push_scissor(out, old_clip);} - return ret; -} - -/* =============================================================== - * - * PROPERTY - * - * ===============================================================*/ -enum nk_property_status { - NK_PROPERTY_DEFAULT, - NK_PROPERTY_EDIT, - NK_PROPERTY_DRAG -}; - -enum nk_property_filter { - NK_FILTER_INT, - NK_FILTER_FLOAT -}; - -NK_INTERN float -nk_drag_behavior(nk_flags *state, const struct nk_input *in, - struct nk_rect drag, float min, float val, float max, float inc_per_pixel) -{ - int left_mouse_down = in && in->mouse.buttons[NK_BUTTON_LEFT].down; - int left_mouse_click_in_cursor = in && - nk_input_has_mouse_click_down_in_rect(in, NK_BUTTON_LEFT, drag, nk_true); - - *state = NK_WIDGET_STATE_INACTIVE; - if (nk_input_is_mouse_hovering_rect(in, drag)) - *state = NK_WIDGET_STATE_HOVERED; - - if (left_mouse_down && left_mouse_click_in_cursor) { - float delta, pixels; - pixels = in->mouse.delta.x; - delta = pixels * inc_per_pixel; - val += delta; - val = NK_CLAMP(min, val, max); - *state = NK_WIDGET_STATE_ACTIVE; - } - if (*state == NK_WIDGET_STATE_HOVERED && !nk_input_is_mouse_prev_hovering_rect(in, drag)) - *state |= NK_WIDGET_STATE_ENTERED; - else if (nk_input_is_mouse_prev_hovering_rect(in, drag)) - *state |= NK_WIDGET_STATE_LEFT; - return val; -} - -NK_INTERN float -nk_property_behavior(nk_flags *ws, const struct nk_input *in, - struct nk_rect property, struct nk_rect label, struct nk_rect edit, - struct nk_rect empty, int *state, float min, float value, float max, - float step, float inc_per_pixel) -{ - NK_UNUSED(step); - if (in && *state == NK_PROPERTY_DEFAULT) { - if (nk_button_behavior(ws, edit, in, NK_BUTTON_DEFAULT)) - *state = NK_PROPERTY_EDIT; - else if (nk_input_is_mouse_click_down_in_rect(in, NK_BUTTON_LEFT, label, nk_true)) - *state = NK_PROPERTY_DRAG; - else if (nk_input_is_mouse_click_down_in_rect(in, NK_BUTTON_LEFT, empty, nk_true)) - *state = NK_PROPERTY_DRAG; - } - if (*state == NK_PROPERTY_DRAG) { - value = nk_drag_behavior(ws, in, property, min, value, max, inc_per_pixel); - if (!(*ws & NK_WIDGET_STATE_ACTIVE)) *state = NK_PROPERTY_DEFAULT; - } - return value; -} - -NK_INTERN void -nk_draw_property(struct nk_command_buffer *out, const struct nk_style_property *style, - const struct nk_rect *bounds, const struct nk_rect *label, nk_flags state, - const char *name, int len, const struct nk_user_font *font) -{ - struct nk_text text; - const struct nk_style_item *background; - - /* select correct background and text color */ - if (state & NK_WIDGET_STATE_ACTIVE) { - background = &style->active; - text.text = style->label_active; - } else if (state & NK_WIDGET_STATE_HOVERED) { - background = &style->hover; - text.text = style->label_hover; - } else { - background = &style->normal; - text.text = style->label_normal; - } - - /* draw background */ - if (background->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(out, *bounds, &background->data.image); - text.background = nk_rgba(0,0,0,0); - } else { - text.background = background->data.color; - nk_fill_rect(out, *bounds, style->rounding, style->border_color); - nk_fill_rect(out, nk_shrink_rect(*bounds,style->border), - style->rounding, background->data.color); - } - - /* draw label */ - text.padding = nk_vec2(0,0); - nk_widget_text(out, *label, name, len, &text, NK_TEXT_CENTERED, font); -} - -NK_INTERN float -nk_do_property(nk_flags *ws, - struct nk_command_buffer *out, struct nk_rect property, - const char *name, float min, float val, float max, - float step, float inc_per_pixel, char *buffer, int *len, - int *state, int *cursor, const struct nk_style_property *style, - enum nk_property_filter filter, struct nk_input *in, - const struct nk_user_font *font, struct nk_text_edit *text_edit) -{ - const nk_filter filters[] = { - nk_filter_decimal, - nk_filter_float - }; - int active, old; - int num_len, name_len; - char string[NK_MAX_NUMBER_BUFFER]; - float size; - - float property_min; - float property_max; - float property_value; - - char *dst = 0; - int *length; - - struct nk_rect left; - struct nk_rect right; - struct nk_rect label; - struct nk_rect edit; - struct nk_rect empty; - - /* make sure the provided values are correct */ - property_max = NK_MAX(min, max); - property_min = NK_MIN(min, max); - property_value = NK_CLAMP(property_min, val, property_max); - - /* left decrement button */ - left.h = font->height/2; - left.w = left.h; - left.x = property.x + style->border + style->padding.x; - left.y = property.y + style->border + property.h/2.0f - left.h/2; - - /* text label */ - name_len = nk_strlen(name); - size = font->width(font->userdata, font->height, name, name_len); - label.x = left.x + left.w + style->padding.x; - label.w = (float)size + 2 * style->padding.x; - label.y = property.y + style->border; - label.h = property.h - 2 * style->border; - - /* right increment button */ - right.y = left.y; - right.w = left.w; - right.h = left.h; - right.x = property.x + property.w - (right.w + style->padding.x); - - /* edit */ - if (*state == NK_PROPERTY_EDIT) { - size = font->width(font->userdata, font->height, buffer, *len); - length = len; - dst = buffer; - } else { - nk_ftos(string, property_value); - num_len = nk_string_float_limit(string, NK_MAX_FLOAT_PRECISION); - size = font->width(font->userdata, font->height, string, num_len); - dst = string; - length = &num_len; - } - edit.w = (float)size + 2 * style->padding.x; - edit.x = right.x - (edit.w + style->padding.x); - edit.y = property.y + style->border + 1; - edit.h = property.h - (2 * style->border + 2); - - /* empty left space activator */ - empty.w = edit.x - (label.x + label.w); - empty.x = label.x + label.w; - empty.y = property.y; - empty.h = property.h; - - /* update property */ - old = (*state == NK_PROPERTY_EDIT); - property_value = nk_property_behavior(ws, in, property, label, edit, empty, - state, property_min, property_value, property_max, - step, inc_per_pixel); - - /* draw property */ - if (style->draw_begin) - style->draw_begin(out, style->userdata); - if (style->draw) - style->draw(out, style, &property, &label, *ws, name, name_len, font); - else nk_draw_property(out, style, &property, &label, *ws, name, name_len, font); - if (style->draw_end) - style->draw_end(out, style->userdata); - - /* execute right and left button */ - if (nk_do_button_symbol(ws, out, left, style->sym_left, NK_BUTTON_DEFAULT, - &style->dec_button, in, font)) - property_value = NK_CLAMP(min, property_value - step, max); - if (nk_do_button_symbol(ws, out, right, style->sym_right, NK_BUTTON_DEFAULT, - &style->inc_button, in, font)) - property_value = NK_CLAMP(min, property_value + step, max); - - active = (*state == NK_PROPERTY_EDIT); - if (old != NK_PROPERTY_EDIT && active) { - /* property has been activated so setup buffer */ - NK_MEMCPY(buffer, dst, (nk_size)*length); - *cursor = nk_utf_len(buffer, *length); - *len = *length; - length = len; - dst = buffer; - } - { - /* execute and run text edit field */ - nk_textedit_clear_state(text_edit, NK_TEXT_EDIT_SINGLE_LINE, filters[filter]); - text_edit->active = (unsigned char)active; - text_edit->string.len = *length; - text_edit->cursor = NK_CLAMP(0, *cursor, *length); - text_edit->string.buffer.allocated = (nk_size)*length; - text_edit->string.buffer.memory.size = NK_MAX_NUMBER_BUFFER; - text_edit->string.buffer.memory.ptr = dst; - nk_do_edit(ws, out, edit, NK_EDIT_ALWAYS_INSERT_MODE, filters[filter], - text_edit, &style->edit, (*state == NK_PROPERTY_EDIT) ? in: 0, font); - - *length = text_edit->string.len; - active = text_edit->active; - *cursor = text_edit->cursor; - } - if (active && nk_input_is_key_pressed(in, NK_KEY_ENTER)) - active = !active; - - if (old && !active) { - /* property is now not active so convert edit text to value*/ - *state = NK_PROPERTY_DEFAULT; - buffer[*len] = '\0'; - nk_string_float_limit(buffer, NK_MAX_FLOAT_PRECISION); - nk_strtof(&property_value, buffer); - property_value = NK_CLAMP(min, property_value, max); - } - return property_value; -} -/* =============================================================== - * - * COLOR PICKER - * - * ===============================================================*/ -NK_INTERN int -nk_color_picker_behavior(nk_flags *state, - const struct nk_rect *bounds, const struct nk_rect *matrix, - const struct nk_rect *hue_bar, const struct nk_rect *alpha_bar, - struct nk_color *color, const struct nk_input *in) -{ - float hsva[4]; - int value_changed = 0; - int hsv_changed = 0; - - NK_ASSERT(state); - NK_ASSERT(matrix); - NK_ASSERT(hue_bar); - NK_ASSERT(color); - - /* color matrix */ - nk_color_hsva_fv(hsva, *color); - if (nk_button_behavior(state, *matrix, in, NK_BUTTON_REPEATER)) { - hsva[1] = NK_SATURATE((in->mouse.pos.x - matrix->x) / (matrix->w-1)); - hsva[2] = 1.0f - NK_SATURATE((in->mouse.pos.y - matrix->y) / (matrix->h-1)); - value_changed = hsv_changed = 1; - } - - /* hue bar */ - if (nk_button_behavior(state, *hue_bar, in, NK_BUTTON_REPEATER)) { - hsva[0] = NK_SATURATE((in->mouse.pos.y - hue_bar->y) / (hue_bar->h-1)); - value_changed = hsv_changed = 1; - } - - /* alpha bar */ - if (alpha_bar) { - if (nk_button_behavior(state, *alpha_bar, in, NK_BUTTON_REPEATER)) { - hsva[3] = 1.0f - NK_SATURATE((in->mouse.pos.y - alpha_bar->y) / (alpha_bar->h-1)); - value_changed = 1; - } - } - - *state = NK_WIDGET_STATE_INACTIVE; - if (hsv_changed) { - *color = nk_hsva_fv(hsva); - *state = NK_WIDGET_STATE_ACTIVE; - } - if (value_changed) { - color->a = (nk_byte)(hsva[3] * 255.0f); - *state = NK_WIDGET_STATE_ACTIVE; - } - - /* set color picker widget state */ - if (nk_input_is_mouse_hovering_rect(in, *bounds)) - *state = NK_WIDGET_STATE_HOVERED; - if (*state == NK_WIDGET_STATE_HOVERED && !nk_input_is_mouse_prev_hovering_rect(in, *bounds)) - *state |= NK_WIDGET_STATE_ENTERED; - else if (nk_input_is_mouse_prev_hovering_rect(in, *bounds)) - *state |= NK_WIDGET_STATE_LEFT; - return value_changed; -} - -NK_INTERN void -nk_draw_color_picker(struct nk_command_buffer *o, const struct nk_rect *matrix, - const struct nk_rect *hue_bar, const struct nk_rect *alpha_bar, - struct nk_color color) -{ - NK_STORAGE const struct nk_color black = {0,0,0,255}; - NK_STORAGE const struct nk_color white = {255, 255, 255, 255}; - NK_STORAGE const struct nk_color black_trans = {0,0,0,0}; - - const float crosshair_size = 7.0f; - struct nk_color temp; - float hsva[4]; - float line_y; - int i; - - NK_ASSERT(o); - NK_ASSERT(matrix); - NK_ASSERT(hue_bar); - NK_ASSERT(alpha_bar); - - /* draw hue bar */ - nk_color_hsv_fv(hsva, color); - for (i = 0; i < 6; ++i) { - NK_GLOBAL const struct nk_color hue_colors[] = { - {255, 0, 0, 255}, {255,255,0,255}, {0,255,0,255}, {0, 255,255,255}, - {0,0,255,255}, {255, 0, 255, 255}, {255, 0, 0, 255}}; - nk_fill_rect_multi_color(o, - nk_rect(hue_bar->x, hue_bar->y + (float)i * (hue_bar->h/6.0f) + 0.5f, - hue_bar->w, (hue_bar->h/6.0f) + 0.5f), hue_colors[i], hue_colors[i], - hue_colors[i+1], hue_colors[i+1]); - } - line_y = (float)(int)(hue_bar->y + hsva[0] * matrix->h + 0.5f); - nk_stroke_line(o, hue_bar->x-1, line_y, hue_bar->x + hue_bar->w + 2, - line_y, 1, nk_rgb(255,255,255)); - - /* draw alpha bar */ - if (alpha_bar) { - float alpha = NK_SATURATE((float)color.a/255.0f); - line_y = (float)(int)(alpha_bar->y + (1.0f - alpha) * matrix->h + 0.5f); - - nk_fill_rect_multi_color(o, *alpha_bar, white, white, black, black); - nk_stroke_line(o, alpha_bar->x-1, line_y, alpha_bar->x + alpha_bar->w + 2, - line_y, 1, nk_rgb(255,255,255)); - } - - /* draw color matrix */ - temp = nk_hsv_f(hsva[0], 1.0f, 1.0f); - nk_fill_rect_multi_color(o, *matrix, white, temp, temp, white); - nk_fill_rect_multi_color(o, *matrix, black_trans, black_trans, black, black); - - /* draw cross-hair */ - {struct nk_vec2 p; float S = hsva[1]; float V = hsva[2]; - p.x = (float)(int)(matrix->x + S * matrix->w + 0.5f); - p.y = (float)(int)(matrix->y + (1.0f - V) * matrix->h + 0.5f); - nk_stroke_line(o, p.x - crosshair_size, p.y, p.x-2, p.y, 1.0f, white); - nk_stroke_line(o, p.x + crosshair_size, p.y, p.x+2, p.y, 1.0f, white); - nk_stroke_line(o, p.x, p.y + crosshair_size, p.x, p.y+2, 1.0f, nk_rgb(255,255,255)); - nk_stroke_line(o, p.x, p.y - crosshair_size, p.x, p.y-2, 1.0f, nk_rgb(255,255,255));} -} - -NK_INTERN int -nk_do_color_picker(nk_flags *state, - struct nk_command_buffer *out, struct nk_color *color, - enum nk_color_format fmt, struct nk_rect bounds, - struct nk_vec2 padding, const struct nk_input *in, - const struct nk_user_font *font) -{ - int ret = 0; - struct nk_rect matrix; - struct nk_rect hue_bar; - struct nk_rect alpha_bar; - float bar_w; - - NK_ASSERT(out); - NK_ASSERT(color); - NK_ASSERT(state); - NK_ASSERT(font); - if (!out || !color || !state || !font) - return ret; - - bar_w = font->height; - bounds.x += padding.x; - bounds.y += padding.x; - bounds.w -= 2 * padding.x; - bounds.h -= 2 * padding.y; - - matrix.x = bounds.x; - matrix.y = bounds.y; - matrix.h = bounds.h; - matrix.w = bounds.w - (3 * padding.x + 2 * bar_w); - - hue_bar.w = bar_w; - hue_bar.y = bounds.y; - hue_bar.h = matrix.h; - hue_bar.x = matrix.x + matrix.w + padding.x; - - alpha_bar.x = hue_bar.x + hue_bar.w + padding.x; - alpha_bar.y = bounds.y; - alpha_bar.w = bar_w; - alpha_bar.h = matrix.h; - - ret = nk_color_picker_behavior(state, &bounds, &matrix, &hue_bar, - (fmt == NK_RGBA) ? &alpha_bar:0, color, in); - nk_draw_color_picker(out, &matrix, &hue_bar, (fmt == NK_RGBA) ? &alpha_bar:0, *color); - return ret; -} - -/* ============================================================== - * - * STYLE - * - * ===============================================================*/ -NK_API void nk_style_default(struct nk_context *ctx){nk_style_from_table(ctx, 0);} -#define NK_COLOR_MAP(NK_COLOR)\ - NK_COLOR(NK_COLOR_TEXT, 175,175,175,255) \ - NK_COLOR(NK_COLOR_WINDOW, 45, 45, 45, 255) \ - NK_COLOR(NK_COLOR_HEADER, 40, 40, 40, 255) \ - NK_COLOR(NK_COLOR_BORDER, 65, 65, 65, 255) \ - NK_COLOR(NK_COLOR_BUTTON, 50, 50, 50, 255) \ - NK_COLOR(NK_COLOR_BUTTON_HOVER, 40, 40, 40, 255) \ - NK_COLOR(NK_COLOR_BUTTON_ACTIVE, 35, 35, 35, 255) \ - NK_COLOR(NK_COLOR_TOGGLE, 100,100,100,255) \ - NK_COLOR(NK_COLOR_TOGGLE_HOVER, 120,120,120,255) \ - NK_COLOR(NK_COLOR_TOGGLE_CURSOR, 45, 45, 45, 255) \ - NK_COLOR(NK_COLOR_SELECT, 45, 45, 45, 255) \ - NK_COLOR(NK_COLOR_SELECT_ACTIVE, 35, 35, 35,255) \ - NK_COLOR(NK_COLOR_SLIDER, 38, 38, 38, 255) \ - NK_COLOR(NK_COLOR_SLIDER_CURSOR, 100,100,100,255) \ - NK_COLOR(NK_COLOR_SLIDER_CURSOR_HOVER, 120,120,120,255) \ - NK_COLOR(NK_COLOR_SLIDER_CURSOR_ACTIVE, 150,150,150,255) \ - NK_COLOR(NK_COLOR_PROPERTY, 38, 38, 38, 255) \ - NK_COLOR(NK_COLOR_EDIT, 38, 38, 38, 255) \ - NK_COLOR(NK_COLOR_EDIT_CURSOR, 175,175,175,255) \ - NK_COLOR(NK_COLOR_COMBO, 45, 45, 45, 255) \ - NK_COLOR(NK_COLOR_CHART, 120,120,120,255) \ - NK_COLOR(NK_COLOR_CHART_COLOR, 45, 45, 45, 255) \ - NK_COLOR(NK_COLOR_CHART_COLOR_HIGHLIGHT,255, 0, 0, 255) \ - NK_COLOR(NK_COLOR_SCROLLBAR, 40, 40, 40, 255) \ - NK_COLOR(NK_COLOR_SCROLLBAR_CURSOR, 100,100,100,255) \ - NK_COLOR(NK_COLOR_SCROLLBAR_CURSOR_HOVER,120,120,120,255) \ - NK_COLOR(NK_COLOR_SCROLLBAR_CURSOR_ACTIVE,150,150,150,255) \ - NK_COLOR(NK_COLOR_TAB_HEADER, 40, 40, 40,255) - -NK_GLOBAL const struct nk_color -nk_default_color_style[NK_COLOR_COUNT] = { -#define NK_COLOR(a,b,c,d,e) {b,c,d,e}, -NK_COLOR_MAP(NK_COLOR) -#undef NK_COLOR -}; - -NK_GLOBAL const char *nk_color_names[NK_COLOR_COUNT] = { -#define NK_COLOR(a,b,c,d,e) #a, -NK_COLOR_MAP(NK_COLOR) -#undef NK_COLOR -}; - -NK_API const char *nk_style_color_name(enum nk_style_colors c) -{return nk_color_names[c];} - -NK_API struct nk_style_item nk_style_item_image(struct nk_image img) -{struct nk_style_item i; i.type = NK_STYLE_ITEM_IMAGE; i.data.image = img; return i;} - -NK_API struct nk_style_item nk_style_item_color(struct nk_color col) -{struct nk_style_item i; i.type = NK_STYLE_ITEM_COLOR; i.data.color = col; return i;} - -NK_API struct nk_style_item nk_style_item_hide(void) -{struct nk_style_item i; i.type = NK_STYLE_ITEM_COLOR; i.data.color = nk_rgba(0,0,0,0); return i;} - -NK_API void -nk_style_from_table(struct nk_context *ctx, const struct nk_color *table) -{ - struct nk_style *style; - struct nk_style_text *text; - struct nk_style_button *button; - struct nk_style_toggle *toggle; - struct nk_style_selectable *select; - struct nk_style_slider *slider; - struct nk_style_progress *prog; - struct nk_style_scrollbar *scroll; - struct nk_style_edit *edit; - struct nk_style_property *property; - struct nk_style_combo *combo; - struct nk_style_chart *chart; - struct nk_style_tab *tab; - struct nk_style_window *win; - - NK_ASSERT(ctx); - if (!ctx) return; - style = &ctx->style; - table = (!table) ? nk_default_color_style: table; - - /* default text */ - text = &style->text; - text->color = table[NK_COLOR_TEXT]; - text->padding = nk_vec2(4,4); - - /* default button */ - button = &style->button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_BUTTON]); - button->hover = nk_style_item_color(table[NK_COLOR_BUTTON_HOVER]); - button->active = nk_style_item_color(table[NK_COLOR_BUTTON_ACTIVE]); - button->border_color = table[NK_COLOR_BORDER]; - button->text_background = table[NK_COLOR_BUTTON]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(4.0f,4.0f); - button->image_padding = nk_vec2(0.0f,0.0f); - button->touch_padding = nk_vec2(0.0f, 0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 1.0f; - button->rounding = 4.0f; - button->draw_begin = 0; - button->draw_end = 0; - - /* contextual button */ - button = &style->contextual_button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_WINDOW]); - button->hover = nk_style_item_color(table[NK_COLOR_BUTTON_HOVER]); - button->active = nk_style_item_color(table[NK_COLOR_BUTTON_ACTIVE]); - button->border_color = table[NK_COLOR_WINDOW]; - button->text_background = table[NK_COLOR_WINDOW]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(4.0f,4.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 0.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - - /* menu button */ - button = &style->menu_button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_WINDOW]); - button->hover = nk_style_item_color(table[NK_COLOR_WINDOW]); - button->active = nk_style_item_color(table[NK_COLOR_WINDOW]); - button->border_color = table[NK_COLOR_WINDOW]; - button->text_background = table[NK_COLOR_WINDOW]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(4.0f,4.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 0.0f; - button->rounding = 1.0f; - button->draw_begin = 0; - button->draw_end = 0; - - /* checkbox toggle */ - toggle = &style->checkbox; - nk_zero_struct(*toggle); - toggle->normal = nk_style_item_color(table[NK_COLOR_TOGGLE]); - toggle->hover = nk_style_item_color(table[NK_COLOR_TOGGLE_HOVER]); - toggle->active = nk_style_item_color(table[NK_COLOR_TOGGLE_HOVER]); - toggle->cursor_normal = nk_style_item_color(table[NK_COLOR_TOGGLE_CURSOR]); - toggle->cursor_hover = nk_style_item_color(table[NK_COLOR_TOGGLE_CURSOR]); - toggle->userdata = nk_handle_ptr(0); - toggle->text_background = table[NK_COLOR_WINDOW]; - toggle->text_normal = table[NK_COLOR_TEXT]; - toggle->text_hover = table[NK_COLOR_TEXT]; - toggle->text_active = table[NK_COLOR_TEXT]; - toggle->padding = nk_vec2(4.0f, 4.0f); - toggle->touch_padding = nk_vec2(0,0); - - /* option toggle */ - toggle = &style->option; - nk_zero_struct(*toggle); - toggle->normal = nk_style_item_color(table[NK_COLOR_TOGGLE]); - toggle->hover = nk_style_item_color(table[NK_COLOR_TOGGLE_HOVER]); - toggle->active = nk_style_item_color(table[NK_COLOR_TOGGLE_HOVER]); - toggle->cursor_normal = nk_style_item_color(table[NK_COLOR_TOGGLE_CURSOR]); - toggle->cursor_hover = nk_style_item_color(table[NK_COLOR_TOGGLE_CURSOR]); - toggle->userdata = nk_handle_ptr(0); - toggle->text_background = table[NK_COLOR_WINDOW]; - toggle->text_normal = table[NK_COLOR_TEXT]; - toggle->text_hover = table[NK_COLOR_TEXT]; - toggle->text_active = table[NK_COLOR_TEXT]; - toggle->padding = nk_vec2(4.0f, 4.0f); - toggle->touch_padding = nk_vec2(0,0); - - /* selectable */ - select = &style->selectable; - nk_zero_struct(*select); - select->normal = nk_style_item_color(table[NK_COLOR_SELECT]); - select->hover = nk_style_item_color(table[NK_COLOR_SELECT]); - select->pressed = nk_style_item_color(table[NK_COLOR_SELECT]); - select->normal_active = nk_style_item_color(table[NK_COLOR_SELECT_ACTIVE]); - select->hover_active = nk_style_item_color(table[NK_COLOR_SELECT_ACTIVE]); - select->pressed_active = nk_style_item_color(table[NK_COLOR_SELECT_ACTIVE]); - select->text_normal = table[NK_COLOR_TEXT]; - select->text_hover = table[NK_COLOR_TEXT]; - select->text_pressed = table[NK_COLOR_TEXT]; - select->text_normal_active = table[NK_COLOR_TEXT]; - select->text_hover_active = table[NK_COLOR_TEXT]; - select->text_pressed_active = table[NK_COLOR_TEXT]; - select->padding = nk_vec2(4.0f,4.0f); - select->touch_padding = nk_vec2(0,0); - select->userdata = nk_handle_ptr(0); - select->rounding = 0.0f; - select->draw_begin = 0; - select->draw = 0; - select->draw_end = 0; - - /* slider */ - slider = &style->slider; - nk_zero_struct(*slider); - slider->normal = nk_style_item_hide(); - slider->hover = nk_style_item_hide(); - slider->active = nk_style_item_hide(); - slider->bar_normal = table[NK_COLOR_SLIDER]; - slider->bar_hover = table[NK_COLOR_SLIDER]; - slider->bar_active = table[NK_COLOR_SLIDER]; - slider->bar_filled = table[NK_COLOR_SLIDER_CURSOR]; - slider->cursor_normal = nk_style_item_color(table[NK_COLOR_SLIDER_CURSOR]); - slider->cursor_hover = nk_style_item_color(table[NK_COLOR_SLIDER_CURSOR_HOVER]); - slider->cursor_active = nk_style_item_color(table[NK_COLOR_SLIDER_CURSOR_ACTIVE]); - slider->inc_symbol = NK_SYMBOL_TRIANGLE_RIGHT; - slider->dec_symbol = NK_SYMBOL_TRIANGLE_LEFT; - slider->cursor_size = nk_vec2(16,16); - slider->padding = nk_vec2(4,4); - slider->spacing = nk_vec2(4,4); - slider->userdata = nk_handle_ptr(0); - slider->show_buttons = nk_false; - slider->bar_height = 8; - slider->rounding = 0; - slider->draw_begin = 0; - slider->draw = 0; - slider->draw_end = 0; - - /* slider buttons */ - button = &style->slider.inc_button; - button->normal = nk_style_item_color(nk_rgb(40,40,40)); - button->hover = nk_style_item_color(nk_rgb(42,42,42)); - button->active = nk_style_item_color(nk_rgb(44,44,44)); - button->border_color = nk_rgb(65,65,65); - button->text_background = nk_rgb(40,40,40); - button->text_normal = nk_rgb(175,175,175); - button->text_hover = nk_rgb(175,175,175); - button->text_active = nk_rgb(175,175,175); - button->padding = nk_vec2(8.0f,8.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 1.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - style->slider.dec_button = style->slider.inc_button; - - /* progressbar */ - prog = &style->progress; - nk_zero_struct(*prog); - prog->normal = nk_style_item_color(table[NK_COLOR_SLIDER]); - prog->hover = nk_style_item_color(table[NK_COLOR_SLIDER]); - prog->active = nk_style_item_color(table[NK_COLOR_SLIDER]); - prog->cursor_normal = nk_style_item_color(table[NK_COLOR_SLIDER_CURSOR]); - prog->cursor_hover = nk_style_item_color(table[NK_COLOR_SLIDER_CURSOR_HOVER]); - prog->cursor_active = nk_style_item_color(table[NK_COLOR_SLIDER_CURSOR_ACTIVE]); - prog->userdata = nk_handle_ptr(0); - prog->padding = nk_vec2(4,4); - prog->rounding = 0; - prog->draw_begin = 0; - prog->draw = 0; - prog->draw_end = 0; - - /* scrollbars */ - scroll = &style->scrollh; - nk_zero_struct(*scroll); - scroll->normal = nk_style_item_color(table[NK_COLOR_SCROLLBAR]); - scroll->hover = nk_style_item_color(table[NK_COLOR_SCROLLBAR]); - scroll->active = nk_style_item_color(table[NK_COLOR_SCROLLBAR]); - scroll->cursor_normal = nk_style_item_color(table[NK_COLOR_SCROLLBAR_CURSOR]); - scroll->cursor_hover = nk_style_item_color(table[NK_COLOR_SCROLLBAR_CURSOR_HOVER]); - scroll->cursor_active = nk_style_item_color(table[NK_COLOR_SCROLLBAR_CURSOR_ACTIVE]); - scroll->dec_symbol = NK_SYMBOL_CIRCLE_FILLED; - scroll->inc_symbol = NK_SYMBOL_CIRCLE_FILLED; - scroll->userdata = nk_handle_ptr(0); - scroll->border_color = nk_rgb(65,65,65); - scroll->padding = nk_vec2(4,4); - scroll->show_buttons = nk_false; - scroll->border = 0; - scroll->rounding = 0; - scroll->draw_begin = 0; - scroll->draw = 0; - scroll->draw_end = 0; - style->scrollv = style->scrollh; - - /* scrollbars buttons */ - button = &style->scrollh.inc_button; - button->normal = nk_style_item_color(nk_rgb(40,40,40)); - button->hover = nk_style_item_color(nk_rgb(42,42,42)); - button->active = nk_style_item_color(nk_rgb(44,44,44)); - button->border_color = nk_rgb(65,65,65); - button->text_background = nk_rgb(40,40,40); - button->text_normal = nk_rgb(175,175,175); - button->text_hover = nk_rgb(175,175,175); - button->text_active = nk_rgb(175,175,175); - button->padding = nk_vec2(4.0f,4.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 1.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - style->scrollh.dec_button = style->scrollh.inc_button; - style->scrollv.inc_button = style->scrollh.inc_button; - style->scrollv.dec_button = style->scrollh.inc_button; - - /* edit */ - edit = &style->edit; - nk_zero_struct(*edit); - edit->normal = nk_style_item_color(table[NK_COLOR_EDIT]); - edit->hover = nk_style_item_color(table[NK_COLOR_EDIT]); - edit->active = nk_style_item_color(table[NK_COLOR_EDIT]); - edit->cursor_normal = table[NK_COLOR_TEXT]; - edit->cursor_hover = table[NK_COLOR_TEXT]; - edit->cursor_text_normal= table[NK_COLOR_EDIT]; - edit->cursor_text_hover = table[NK_COLOR_EDIT]; - edit->border_color = table[NK_COLOR_BORDER]; - edit->text_normal = table[NK_COLOR_TEXT]; - edit->text_hover = table[NK_COLOR_TEXT]; - edit->text_active = table[NK_COLOR_TEXT]; - edit->selected_normal = table[NK_COLOR_TEXT]; - edit->selected_hover = table[NK_COLOR_TEXT]; - edit->selected_text_normal = table[NK_COLOR_EDIT]; - edit->selected_text_hover = table[NK_COLOR_EDIT]; - edit->row_padding = 2; - edit->padding = nk_vec2(4,4); - edit->cursor_size = 4; - edit->border = 1; - edit->rounding = 0; - - /* property */ - property = &style->property; - nk_zero_struct(*property); - property->normal = nk_style_item_color(table[NK_COLOR_PROPERTY]); - property->hover = nk_style_item_color(table[NK_COLOR_PROPERTY]); - property->active = nk_style_item_color(table[NK_COLOR_PROPERTY]); - property->border_color = table[NK_COLOR_BORDER]; - property->label_normal = table[NK_COLOR_TEXT]; - property->label_hover = table[NK_COLOR_TEXT]; - property->label_active = table[NK_COLOR_TEXT]; - property->sym_left = NK_SYMBOL_TRIANGLE_LEFT; - property->sym_right = NK_SYMBOL_TRIANGLE_RIGHT; - property->userdata = nk_handle_ptr(0); - property->padding = nk_vec2(4,4); - property->border = 1; - property->rounding = 10; - property->draw_begin = 0; - property->draw = 0; - property->draw_end = 0; - - /* property buttons */ - button = &style->property.dec_button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_PROPERTY]); - button->hover = nk_style_item_color(table[NK_COLOR_PROPERTY]); - button->active = nk_style_item_color(table[NK_COLOR_PROPERTY]); - button->border_color = nk_rgba(0,0,0,0); - button->text_background = table[NK_COLOR_PROPERTY]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(0.0f,0.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 0.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - style->property.inc_button = style->property.dec_button; - - /* property edit */ - edit = &style->property.edit; - nk_zero_struct(*edit); - edit->normal = nk_style_item_color(table[NK_COLOR_PROPERTY]); - edit->hover = nk_style_item_color(table[NK_COLOR_PROPERTY]); - edit->active = nk_style_item_color(table[NK_COLOR_PROPERTY]); - edit->border_color = nk_rgba(0,0,0,0); - edit->cursor_normal = table[NK_COLOR_TEXT]; - edit->cursor_hover = table[NK_COLOR_TEXT]; - edit->cursor_text_normal= table[NK_COLOR_EDIT]; - edit->cursor_text_hover = table[NK_COLOR_EDIT]; - edit->text_normal = table[NK_COLOR_TEXT]; - edit->text_hover = table[NK_COLOR_TEXT]; - edit->text_active = table[NK_COLOR_TEXT]; - edit->selected_normal = table[NK_COLOR_TEXT]; - edit->selected_hover = table[NK_COLOR_TEXT]; - edit->selected_text_normal = table[NK_COLOR_EDIT]; - edit->selected_text_hover = table[NK_COLOR_EDIT]; - edit->padding = nk_vec2(0,0); - edit->cursor_size = 8; - edit->border = 0; - edit->rounding = 0; - - /* chart */ - chart = &style->line_chart; - nk_zero_struct(*chart); - chart->background = nk_style_item_color(table[NK_COLOR_CHART]); - chart->border_color = table[NK_COLOR_BORDER]; - chart->selected_color = table[NK_COLOR_CHART_COLOR_HIGHLIGHT]; - chart->color = table[NK_COLOR_CHART_COLOR]; - chart->border = 0; - chart->rounding = 0; - chart->padding = nk_vec2(4,4); - style->column_chart = *chart; - - /* combo */ - combo = &style->combo; - combo->normal = nk_style_item_color(table[NK_COLOR_COMBO]); - combo->hover = nk_style_item_color(table[NK_COLOR_COMBO]); - combo->active = nk_style_item_color(table[NK_COLOR_COMBO]); - combo->border_color = table[NK_COLOR_BORDER]; - combo->label_normal = table[NK_COLOR_TEXT]; - combo->label_hover = table[NK_COLOR_TEXT]; - combo->label_active = table[NK_COLOR_TEXT]; - combo->sym_normal = NK_SYMBOL_TRIANGLE_DOWN; - combo->sym_hover = NK_SYMBOL_TRIANGLE_DOWN; - combo->sym_active =NK_SYMBOL_TRIANGLE_DOWN; - combo->content_padding = nk_vec2(4,4); - combo->button_padding = nk_vec2(0,4); - combo->spacing = nk_vec2(4,0); - combo->border = 1; - combo->rounding = 0; - - /* combo button */ - button = &style->combo.button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_COMBO]); - button->hover = nk_style_item_color(table[NK_COLOR_COMBO]); - button->active = nk_style_item_color(table[NK_COLOR_COMBO]); - button->border_color = nk_rgba(0,0,0,0); - button->text_background = table[NK_COLOR_COMBO]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(2.0f,2.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 0.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - - /* tab */ - tab = &style->tab; - tab->background = nk_style_item_color(table[NK_COLOR_TAB_HEADER]); - tab->border_color = table[NK_COLOR_BORDER]; - tab->text = table[NK_COLOR_TEXT]; - tab->sym_minimize = NK_SYMBOL_TRIANGLE_DOWN; - tab->sym_maximize = NK_SYMBOL_TRIANGLE_RIGHT; - tab->border = 1; - tab->rounding = 0; - tab->padding = nk_vec2(4,4); - tab->spacing = nk_vec2(4,4); - - /* tab button */ - button = &style->tab.tab_button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_TAB_HEADER]); - button->hover = nk_style_item_color(table[NK_COLOR_TAB_HEADER]); - button->active = nk_style_item_color(table[NK_COLOR_TAB_HEADER]); - button->border_color = nk_rgba(0,0,0,0); - button->text_background = table[NK_COLOR_TAB_HEADER]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(2.0f,2.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 0.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - - /* node button */ - button = &style->tab.node_button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_WINDOW]); - button->hover = nk_style_item_color(table[NK_COLOR_WINDOW]); - button->active = nk_style_item_color(table[NK_COLOR_WINDOW]); - button->border_color = nk_rgba(0,0,0,0); - button->text_background = table[NK_COLOR_TAB_HEADER]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(2.0f,2.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 0.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - - /* window header */ - win = &style->window; - win->header.align = NK_HEADER_RIGHT; - win->header.close_symbol = NK_SYMBOL_X; - win->header.minimize_symbol = NK_SYMBOL_MINUS; - win->header.maximize_symbol = NK_SYMBOL_PLUS; - win->header.normal = nk_style_item_color(table[NK_COLOR_HEADER]); - win->header.hover = nk_style_item_color(table[NK_COLOR_HEADER]); - win->header.active = nk_style_item_color(table[NK_COLOR_HEADER]); - win->header.label_normal = table[NK_COLOR_TEXT]; - win->header.label_hover = table[NK_COLOR_TEXT]; - win->header.label_active = table[NK_COLOR_TEXT]; - win->header.label_padding = nk_vec2(4,4); - win->header.padding = nk_vec2(4,4); - win->header.spacing = nk_vec2(0,0); - - /* window header close button */ - button = &style->window.header.close_button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_HEADER]); - button->hover = nk_style_item_color(table[NK_COLOR_HEADER]); - button->active = nk_style_item_color(table[NK_COLOR_HEADER]); - button->border_color = nk_rgba(0,0,0,0); - button->text_background = table[NK_COLOR_HEADER]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(0.0f,0.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 0.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - - /* window header minimize button */ - button = &style->window.header.minimize_button; - nk_zero_struct(*button); - button->normal = nk_style_item_color(table[NK_COLOR_HEADER]); - button->hover = nk_style_item_color(table[NK_COLOR_HEADER]); - button->active = nk_style_item_color(table[NK_COLOR_HEADER]); - button->border_color = nk_rgba(0,0,0,0); - button->text_background = table[NK_COLOR_HEADER]; - button->text_normal = table[NK_COLOR_TEXT]; - button->text_hover = table[NK_COLOR_TEXT]; - button->text_active = table[NK_COLOR_TEXT]; - button->padding = nk_vec2(0.0f,0.0f); - button->touch_padding = nk_vec2(0.0f,0.0f); - button->userdata = nk_handle_ptr(0); - button->text_alignment = NK_TEXT_CENTERED; - button->border = 0.0f; - button->rounding = 0.0f; - button->draw_begin = 0; - button->draw_end = 0; - - /* window */ - win->background = table[NK_COLOR_WINDOW]; - win->fixed_background = nk_style_item_color(table[NK_COLOR_WINDOW]); - win->border_color = table[NK_COLOR_BORDER]; - win->combo_border_color = table[NK_COLOR_BORDER]; - win->contextual_border_color = table[NK_COLOR_BORDER]; - win->menu_border_color = table[NK_COLOR_BORDER]; - win->group_border_color = table[NK_COLOR_BORDER]; - win->tooltip_border_color = table[NK_COLOR_BORDER]; - win->scaler = nk_style_item_color(table[NK_COLOR_TEXT]); - win->footer_padding = nk_vec2(4,4); - win->rounding = 0.0f; - win->scaler_size = nk_vec2(16,16); - win->padding = nk_vec2(8,8); - win->spacing = nk_vec2(4,4); - win->scrollbar_size = nk_vec2(10,10); - win->min_size = nk_vec2(64,64); - win->combo_border = 1.0f; - win->contextual_border = 1.0f; - win->menu_border = 1.0f; - win->group_border = 1.0f; - win->tooltip_border = 1.0f; - win->border = 2.0f; -} - -NK_API void -nk_style_set_font(struct nk_context *ctx, const struct nk_user_font *font) -{ - struct nk_style *style; - NK_ASSERT(ctx); - if (!ctx) return; - style = &ctx->style; - style->font = *font; -} - -/* =============================================================== - * - * POOL - * - * ===============================================================*/ -struct nk_table { - unsigned int seq; - nk_hash keys[NK_VALUE_PAGE_CAPACITY]; - nk_uint values[NK_VALUE_PAGE_CAPACITY]; - struct nk_table *next, *prev; -}; - -union nk_page_data { - struct nk_table tbl; - struct nk_window win; -}; - -struct nk_window_page { - unsigned size; - struct nk_window_page *next; - union nk_page_data win[1]; -}; - -struct nk_pool { - struct nk_allocator alloc; - enum nk_allocation_type type; - unsigned int page_count; - struct nk_window_page *pages; - unsigned capacity; - nk_size size; - nk_size cap; -}; - -NK_INTERN void -nk_pool_init(struct nk_pool *pool, struct nk_allocator *alloc, - unsigned int capacity) -{ - nk_zero(pool, sizeof(*pool)); - pool->alloc = *alloc; - pool->capacity = capacity; - pool->pages = 0; - pool->type = NK_BUFFER_DYNAMIC; -} - -NK_INTERN void -nk_pool_free(struct nk_pool *pool) -{ - struct nk_window_page *next; - struct nk_window_page *iter = pool->pages; - if (!pool) return; - if (pool->type == NK_BUFFER_FIXED) return; - while (iter) { - next = iter->next; - pool->alloc.free(pool->alloc.userdata, iter); - iter = next; - } - pool->alloc.free(pool->alloc.userdata, pool); -} - -NK_INTERN void -nk_pool_init_fixed(struct nk_pool *pool, void *memory, nk_size size) -{ - nk_zero(pool, sizeof(*pool)); - /* make sure pages have correct granularity to at least fit one page into memory */ - if (size < sizeof(struct nk_window_page) + NK_POOL_DEFAULT_CAPACITY * sizeof(struct nk_window)) - pool->capacity = (unsigned)(size - sizeof(struct nk_window_page)) / sizeof(struct nk_window); - else pool->capacity = NK_POOL_DEFAULT_CAPACITY; - pool->pages = (struct nk_window_page*)memory; - pool->type = NK_BUFFER_FIXED; - pool->size = size; -} - -NK_INTERN void* -nk_pool_alloc(struct nk_pool *pool) -{ - if (!pool->pages || pool->pages->size >= pool->capacity) { - /* allocate new page */ - struct nk_window_page *page; - if (pool->type == NK_BUFFER_FIXED) { - if (!pool->pages) { - NK_ASSERT(pool->pages); - return 0; - } - NK_ASSERT(pool->pages->size < pool->capacity); - return 0; - } else { - nk_size size = sizeof(struct nk_window_page); - size += NK_POOL_DEFAULT_CAPACITY * sizeof(union nk_page_data); - page = (struct nk_window_page*)pool->alloc.alloc(pool->alloc.userdata,0, size); - page->size = 0; - page->next = pool->pages; - pool->pages = page; - } - } - return &pool->pages->win[pool->pages->size++]; -} - -/* =============================================================== - * - * CONTEXT - * - * ===============================================================*/ -NK_INTERN void nk_remove_window(struct nk_context*, struct nk_window*); -NK_INTERN void* nk_create_window(struct nk_context *ctx); -NK_INTERN void nk_free_window(struct nk_context *ctx, struct nk_window *win); -NK_INTERN void nk_free_table(struct nk_context *ctx, struct nk_table *tbl); -NK_INTERN void nk_remove_table(struct nk_window *win, struct nk_table *tbl); - -NK_INTERN void -nk_setup(struct nk_context *ctx, const struct nk_user_font *font) -{ - NK_ASSERT(ctx); - if (!ctx) return; - - nk_zero_struct(*ctx); - nk_style_default(ctx); - if (font) ctx->style.font = *font; -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT - nk_draw_list_init(&ctx->draw_list); -#endif -} - -#ifdef NK_INCLUDE_DEFAULT_ALLOCATOR -NK_API int -nk_init_default(struct nk_context *ctx, const struct nk_user_font *font) -{ - struct nk_allocator alloc; - alloc.userdata.ptr = 0; - alloc.alloc = nk_malloc; - alloc.free = nk_mfree; - return nk_init(ctx, &alloc, font); -} -#endif - -NK_API int -nk_init_fixed(struct nk_context *ctx, void *memory, nk_size size, - const struct nk_user_font *font) -{ - NK_ASSERT(memory); - if (!memory) return 0; - nk_setup(ctx, font); - nk_buffer_init_fixed(&ctx->memory, memory, size); - ctx->pool = 0; - return 1; -} - -NK_API int -nk_init_custom(struct nk_context *ctx, struct nk_buffer *cmds, - struct nk_buffer *pool, const struct nk_user_font *font) -{ - NK_ASSERT(cmds); - NK_ASSERT(pool); - if (!cmds || !pool) return 0; - nk_setup(ctx, font); - ctx->memory = *cmds; - if (pool->type == NK_BUFFER_FIXED) { - /* take memory from buffer and alloc fixed pool */ - void *memory = pool->memory.ptr; - nk_size size = pool->memory.size; - ctx->pool = memory; - NK_ASSERT(size > sizeof(struct nk_pool)); - size -= sizeof(struct nk_pool); - nk_pool_init_fixed((struct nk_pool*)ctx->pool, - (void*)((nk_byte*)ctx->pool+sizeof(struct nk_pool)), size); - } else { - /* create dynamic pool from buffer allocator */ - struct nk_allocator *alloc = &pool->pool; - ctx->pool = alloc->alloc(alloc->userdata,0, sizeof(struct nk_pool)); - nk_pool_init((struct nk_pool*)ctx->pool, alloc, NK_POOL_DEFAULT_CAPACITY); - } - return 1; -} - -NK_API int -nk_init(struct nk_context *ctx, struct nk_allocator *alloc, - const struct nk_user_font *font) -{ - NK_ASSERT(alloc); - if (!alloc) return 0; - nk_setup(ctx, font); - nk_buffer_init(&ctx->memory, alloc, NK_DEFAULT_COMMAND_BUFFER_SIZE); - ctx->pool = alloc->alloc(alloc->userdata,0, sizeof(struct nk_pool)); - nk_pool_init((struct nk_pool*)ctx->pool, alloc, NK_POOL_DEFAULT_CAPACITY); - return 1; -} - -#ifdef NK_INCLUDE_COMMAND_USERDATA -NK_API void -nk_set_user_data(struct nk_context *ctx, nk_handle handle) -{ - if (!ctx) return; - ctx->userdata = handle; - if (ctx->current) - ctx->current->buffer.userdata = handle; -} -#endif - -NK_API void -nk_free(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - if (!ctx) return; - nk_buffer_free(&ctx->memory); - if (ctx->pool) nk_pool_free((struct nk_pool*)ctx->pool); - - nk_zero(&ctx->input, sizeof(ctx->input)); - nk_zero(&ctx->style, sizeof(ctx->style)); - nk_zero(&ctx->memory, sizeof(ctx->memory)); - - ctx->seq = 0; - ctx->pool = 0; - ctx->build = 0; - ctx->begin = 0; - ctx->end = 0; - ctx->active = 0; - ctx->current = 0; - ctx->freelist = 0; - ctx->count = 0; -} - -NK_API void -nk_clear(struct nk_context *ctx) -{ - struct nk_window *iter; - struct nk_window *next; - NK_ASSERT(ctx); - - if (!ctx) return; - if (ctx->pool) - nk_buffer_clear(&ctx->memory); - else nk_buffer_reset(&ctx->memory, NK_BUFFER_FRONT); - - ctx->build = 0; - ctx->memory.calls = 0; -#ifdef NK_INCLUDE_VERTEX_BUFFER_OUTPUT - nk_draw_list_clear(&ctx->draw_list); -#endif - - /* garbage collector */ - iter = ctx->begin; - while (iter) { - /* make sure minimized windows do not get removed */ - if (iter->flags & NK_WINDOW_MINIMIZED) { - iter = iter->next; - continue; - } - - /* free unused popup windows */ - if (iter->popup.win && iter->popup.win->seq != ctx->seq) { - nk_free_window(ctx, iter->popup.win); - iter->popup.win = 0; - } - - {struct nk_table *n, *it = iter->tables; - while (it) { - /* remove unused window state tables */ - n = it->next; - if (it->seq != ctx->seq) { - nk_remove_table(iter, it); - nk_zero(it, sizeof(union nk_page_data)); - nk_free_table(ctx, it); - if (it == iter->tables) - iter->tables = n; - } - it = n; - }} - - /* window itself is not used anymore so free */ - if (iter->seq != ctx->seq || iter->flags & NK_WINDOW_HIDDEN) { - next = iter->next; - nk_remove_window(ctx, iter); - nk_free_window(ctx, iter); - iter = next; - } else iter = iter->next; - } - ctx->seq++; -} - -/* ---------------------------------------------------------------- - * - * BUFFERING - * - * ---------------------------------------------------------------*/ -NK_INTERN void -nk_start(struct nk_context *ctx, struct nk_window *win) -{ - NK_ASSERT(ctx); - NK_ASSERT(win); - if (!ctx || !win) return; - win->buffer.begin = ctx->memory.allocated; - win->buffer.end = win->buffer.begin; - win->buffer.last = win->buffer.begin; - win->buffer.clip = nk_null_rect; -} - -NK_INTERN void -nk_start_popup(struct nk_context *ctx, struct nk_window *win) -{ - struct nk_popup_buffer *buf; - struct nk_panel *iter; - NK_ASSERT(ctx); - NK_ASSERT(win); - if (!ctx || !win) return; - - /* make sure to use the correct popup buffer*/ - iter = win->layout; - while (iter->parent) - iter = iter->parent; - - /* save buffer fill state for popup */ - buf = &iter->popup_buffer; - buf->begin = win->buffer.end; - buf->end = win->buffer.end; - buf->parent = win->buffer.last; - buf->last = buf->begin; - buf->active = nk_true; -} - -NK_INTERN void -nk_finish_popup(struct nk_context *ctx, struct nk_window *win) -{ - struct nk_popup_buffer *buf; - struct nk_panel *iter; - NK_ASSERT(ctx); - NK_ASSERT(win); - if (!ctx || !win) return; - - /* make sure to use the correct popup buffer*/ - iter = win->layout; - while (iter->parent) - iter = iter->parent; - - buf = &iter->popup_buffer; - buf->last = win->buffer.last; - buf->end = win->buffer.end; -} - -NK_INTERN void -nk_finish(struct nk_context *ctx, struct nk_window *win) -{ - struct nk_popup_buffer *buf; - struct nk_command *parent_last; - struct nk_command *sublast; - struct nk_command *last; - void *memory; - - NK_ASSERT(ctx); - NK_ASSERT(win); - if (!ctx || !win) return; - win->buffer.end = ctx->memory.allocated; - if (!win->layout->popup_buffer.active) return; - - /* from here this case is for popup windows */ - buf = &win->layout->popup_buffer; - memory = ctx->memory.memory.ptr; - - /* redirect the sub-window buffer to the end of the window command buffer */ - parent_last = nk_ptr_add(struct nk_command, memory, buf->parent); - sublast = nk_ptr_add(struct nk_command, memory, buf->last); - last = nk_ptr_add(struct nk_command, memory, win->buffer.last); - - parent_last->next = buf->end; - sublast->next = last->next; - last->next = buf->begin; - win->buffer.last = buf->last; - win->buffer.end = buf->end; - buf->active = nk_false; -} - -NK_INTERN void -nk_build(struct nk_context *ctx) -{ - struct nk_window *iter; - struct nk_window *next; - struct nk_command *cmd; - nk_byte *buffer; - - iter = ctx->begin; - buffer = (nk_byte*)ctx->memory.memory.ptr; - while (iter != 0) { - next = iter->next; - if (iter->buffer.last == iter->buffer.begin || (iter->flags & NK_WINDOW_HIDDEN)) { - iter = next; - continue; - } - cmd = nk_ptr_add(struct nk_command, buffer, iter->buffer.last); - while (next && ((next->buffer.last == next->buffer.begin) || - (next->flags & NK_WINDOW_HIDDEN))) - next = next->next; /* skip empty command buffers */ - - if (next) { - cmd->next = next->buffer.begin; - } else cmd->next = ctx->memory.allocated; - iter = next; - } -} - -NK_API const struct nk_command* -nk__begin(struct nk_context *ctx) -{ - struct nk_window *iter; - nk_byte *buffer; - NK_ASSERT(ctx); - if (!ctx) return 0; - if (!ctx->count) return 0; - - /* build one command list out of all windows */ - buffer = (nk_byte*)ctx->memory.memory.ptr; - if (!ctx->build) { - nk_build(ctx); - ctx->build = nk_true; - } - - iter = ctx->begin; - while (iter && ((iter->buffer.begin == iter->buffer.end) || (iter->flags & NK_WINDOW_HIDDEN))) - iter = iter->next; - if (!iter) return 0; - return nk_ptr_add_const(struct nk_command, buffer, iter->buffer.begin); -} - -NK_API const struct nk_command* -nk__next(struct nk_context *ctx, const struct nk_command *cmd) -{ - nk_byte *buffer; - const struct nk_command *next; - NK_ASSERT(ctx); - if (!ctx || !cmd || !ctx->count) return 0; - if (cmd->next >= ctx->memory.allocated) return 0; - buffer = (nk_byte*)ctx->memory.memory.ptr; - next = nk_ptr_add_const(struct nk_command, buffer, cmd->next); - return next; -} - -/* ---------------------------------------------------------------- - * - * TABLES - * - * ---------------------------------------------------------------*/ -NK_INTERN struct nk_table* -nk_create_table(struct nk_context *ctx) -{ - void *tbl = (void*)nk_create_window(ctx); - nk_zero(tbl, sizeof(struct nk_table)); - return (struct nk_table*)tbl; -} - -NK_INTERN void -nk_free_table(struct nk_context *ctx, struct nk_table *tbl) -{nk_free_window(ctx, (struct nk_window*)tbl);} - -NK_INTERN void -nk_push_table(struct nk_window *win, struct nk_table *tbl) -{ - if (!win->tables) { - win->tables = tbl; - tbl->next = 0; - tbl->prev = 0; - win->table_count = 1; - win->table_size = 1; - return; - } - win->tables->prev = tbl; - tbl->next = win->tables; - tbl->prev = 0; - win->tables = tbl; - win->table_count++; - win->table_size = 0; -} - -NK_INTERN void -nk_remove_table(struct nk_window *win, struct nk_table *tbl) -{ - if (win->tables == tbl) - win->tables = tbl->next; - if (tbl->next) - tbl->next->prev = tbl->prev; - if (tbl->prev) - tbl->prev->next = tbl->next; - tbl->next = 0; - tbl->prev = 0; -} - -NK_INTERN nk_uint* -nk_add_value(struct nk_context *ctx, struct nk_window *win, - nk_hash name, nk_uint value) -{ - if (!win->tables || win->table_size == NK_VALUE_PAGE_CAPACITY) { - struct nk_table *tbl = nk_create_table(ctx); - nk_push_table(win, tbl); - } - win->tables->seq = win->seq; - win->tables->keys[win->table_size] = name; - win->tables->values[win->table_size] = value; - return &win->tables->values[win->table_size++]; -} - -NK_INTERN nk_uint* -nk_find_value(struct nk_window *win, nk_hash name) -{ - unsigned short size = win->table_size; - struct nk_table *iter = win->tables; - while (iter) { - unsigned short i = 0; - for (i = 0; i < size; ++i) { - if (iter->keys[i] == name) { - iter->seq = win->seq; - return &iter->values[i]; - } - } - size = NK_VALUE_PAGE_CAPACITY; - iter = iter->next; - } - return 0; -} - -/* ---------------------------------------------------------------- - * - * WINDOW - * - * ---------------------------------------------------------------*/ -NK_INTERN int nk_panel_begin(struct nk_context *ctx, const char *title); -NK_INTERN void nk_panel_end(struct nk_context *ctx); - -NK_INTERN void* -nk_create_window(struct nk_context *ctx) -{ - struct nk_window *win = 0; - if (ctx->freelist) { - /* unlink window from free list */ - win = ctx->freelist; - ctx->freelist = win->next; - } else if (ctx->pool) { - /* allocate window from memory pool */ - win = (struct nk_window*) nk_pool_alloc((struct nk_pool*)ctx->pool); - NK_ASSERT(win); - if (!win) return 0; - } else { - /* allocate new window from the back of the fixed size memory buffer */ - NK_STORAGE const nk_size size = sizeof(union nk_page_data); - NK_STORAGE const nk_size align = NK_ALIGNOF(union nk_page_data); - win = (struct nk_window*)nk_buffer_alloc(&ctx->memory, NK_BUFFER_BACK, size, align); - NK_ASSERT(win); - if (!win) return 0; - } - nk_zero(win, sizeof(*win)); - win->next = 0; - win->prev = 0; - win->seq = ctx->seq; - return win; -} - -NK_INTERN void -nk_free_window(struct nk_context *ctx, struct nk_window *win) -{ - /* unlink windows from list */ - struct nk_table *n, *it = win->tables; - if (win->popup.win) { - nk_free_window(ctx, win->popup.win); - win->popup.win = 0; - } - - win->next = 0; - win->prev = 0; - - while (it) { - /*free window state tables */ - n = it->next; - if (it->seq != ctx->seq) { - nk_remove_table(win, it); - nk_free_table(ctx, it); - if (it == win->tables) - win->tables = n; - } - it = n; - } - - /* link windows into freelist */ - if (!ctx->freelist) { - ctx->freelist = win; - } else { - win->next = ctx->freelist; - ctx->freelist = win; - } -} - -NK_INTERN struct nk_window* -nk_find_window(struct nk_context *ctx, nk_hash hash) -{ - struct nk_window *iter; - iter = ctx->begin; - while (iter) { - NK_ASSERT(iter != iter->next); - if (iter->name == hash) - return iter; - iter = iter->next; - } - return 0; -} - -NK_INTERN void -nk_insert_window(struct nk_context *ctx, struct nk_window *win) -{ - const struct nk_window *iter; - struct nk_window *end; - NK_ASSERT(ctx); - NK_ASSERT(win); - if (!win || !ctx) return; - - iter = ctx->begin; - while (iter) { - NK_ASSERT(iter != iter->next); - NK_ASSERT(iter != win); - if (iter == win) return; - iter = iter->next; - } - - if (!ctx->begin) { - win->next = 0; - win->prev = 0; - ctx->begin = win; - ctx->end = win; - ctx->count = 1; - return; - } - - end = ctx->end; - end->flags |= NK_WINDOW_ROM; - end->next = win; - win->prev = ctx->end; - win->next = 0; - ctx->end = win; - ctx->count++; - - ctx->active = ctx->end; - ctx->end->flags &= ~(nk_flags)NK_WINDOW_ROM; -} - -NK_INTERN void -nk_remove_window(struct nk_context *ctx, struct nk_window *win) -{ - if (win == ctx->begin || win == ctx->end) { - if (win == ctx->begin) { - ctx->begin = win->next; - if (win->next) - win->next->prev = 0; - } - if (win == ctx->end) { - ctx->end = win->prev; - if (win->prev) - win->prev->next = 0; - } - } else { - if (win->next) - win->next->prev = win->prev; - if (win->prev) - win->prev->next = win->next; - } - if (win == ctx->active || !ctx->active) { - ctx->active = ctx->end; - if (ctx->end) - ctx->end->flags &= ~(nk_flags)NK_WINDOW_ROM; - } - win->next = 0; - win->prev = 0; - ctx->count--; -} - -NK_API int -nk_begin(struct nk_context *ctx, struct nk_panel *layout, const char *title, - struct nk_rect bounds, nk_flags flags) -{ - struct nk_window *win; - struct nk_style *style; - nk_hash title_hash; - int title_len; - int ret = 0; - - NK_ASSERT(ctx); - NK_ASSERT(!ctx->current && "if this triggers you missed a `nk_end` call"); - if (!ctx || ctx->current || !title) - return 0; - - /* find or create window */ - style = &ctx->style; - title_len = (int)nk_strlen(title); - title_hash = nk_murmur_hash(title, (int)title_len, NK_WINDOW_TITLE); - win = nk_find_window(ctx, title_hash); - if (!win) { - win = (struct nk_window*)nk_create_window(ctx); - nk_insert_window(ctx, win); - nk_command_buffer_init(&win->buffer, &ctx->memory, NK_CLIPPING_ON); - NK_ASSERT(win); - if (!win) return 0; - - win->flags = flags; - win->bounds = bounds; - win->name = title_hash; - win->popup.win = 0; - if (!ctx->active) - ctx->active = win; - } else { - /* update public window flags */ - win->flags &= ~(nk_flags)(NK_WINDOW_PRIVATE-1); - win->flags |= flags; - win->seq++; - if (!ctx->active) - ctx->active = win; - } - if (win->flags & NK_WINDOW_HIDDEN) { - ctx->current = win; - return 0; - } - - /* overlapping window */ - if (!(win->flags & NK_WINDOW_SUB) && !(win->flags & NK_WINDOW_HIDDEN)) - { - int inpanel, ishovered; - const struct nk_window *iter = win; - - /* This is so terrible but necessary for minimized windows. The difference - * lies in the size of the window. But it is not possible to get the size - * without cheating because you do not have the information at this point. - * Even worse this is wrong since windows could have different window heights. - * I leave it in for now since I otherwise loose my mind. */ - float h = ctx->style.font.height + 2 * style->window.header.padding.y; - - /* activate window if hovered and no other window is overlapping this window */ - nk_start(ctx, win); - inpanel = nk_input_mouse_clicked(&ctx->input, NK_BUTTON_LEFT, win->bounds); - ishovered = nk_input_is_mouse_hovering_rect(&ctx->input, win->bounds); - if ((win != ctx->active) && ishovered) { - iter = win->next; - while (iter) { - if (!(iter->flags & NK_WINDOW_MINIMIZED)) { - if (NK_INTERSECT(win->bounds.x, win->bounds.y, win->bounds.w, win->bounds.h, - iter->bounds.x, iter->bounds.y, iter->bounds.w, iter->bounds.h) && - !(iter->flags & NK_WINDOW_HIDDEN)) - break; - } else { - if (NK_INTERSECT(win->bounds.x, win->bounds.y, win->bounds.w, win->bounds.h, - iter->bounds.x, iter->bounds.y, iter->bounds.w, h) && - !(iter->flags & NK_WINDOW_HIDDEN)) - break; - } - if (iter->popup.win && iter->popup.active && !(iter->flags & NK_WINDOW_HIDDEN) && - NK_INTERSECT(win->bounds.x, win->bounds.y, win->bounds.w, win->bounds.h, - iter->popup.win->bounds.x, iter->popup.win->bounds.y, - iter->popup.win->bounds.w, iter->popup.win->bounds.h)) - break; - iter = iter->next; - } - } - - /* activate window if clicked */ - if (iter && inpanel && (win != ctx->end)) { - iter = win->next; - while (iter) { - /* try to find a panel with higher priority in the same position */ - if (!(iter->flags & NK_WINDOW_MINIMIZED)) { - if (NK_INBOX(ctx->input.mouse.prev.x, ctx->input.mouse.prev.y, iter->bounds.x, - iter->bounds.y, iter->bounds.w, iter->bounds.h) && - !(iter->flags & NK_WINDOW_HIDDEN)) - break; - } else { - if (NK_INBOX(ctx->input.mouse.prev.x, ctx->input.mouse.prev.y, iter->bounds.x, - iter->bounds.y, iter->bounds.w, h) && - !(iter->flags & NK_WINDOW_HIDDEN)) - break; - } - if (iter->popup.win && iter->popup.active && !(iter->flags & NK_WINDOW_HIDDEN) && - NK_INTERSECT(win->bounds.x, win->bounds.y, win->bounds.w, win->bounds.h, - iter->popup.win->bounds.x, iter->popup.win->bounds.y, - iter->popup.win->bounds.w, iter->popup.win->bounds.h)) - break; - iter = iter->next; - } - } - - if (!iter && ctx->end != win) { - /* current window is active in that position so transfer to top - * at the highest priority in stack */ - nk_remove_window(ctx, win); - nk_insert_window(ctx, win); - - win->flags &= ~(nk_flags)NK_WINDOW_ROM; - ctx->active = win; - } - if (ctx->end != win) - win->flags |= NK_WINDOW_ROM; - } - - win->layout = layout; - ctx->current = win; - ret = nk_panel_begin(ctx, title); - layout->offset = &win->scrollbar; - return ret; -} - -NK_API void -nk_end(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current) return; - if (ctx->current->flags & NK_WINDOW_HIDDEN) { - ctx->current = 0; - return; - } - nk_panel_end(ctx); - ctx->current = 0; - ctx->last_widget_state = 0; -} - -NK_API struct nk_rect -nk_window_get_bounds(const struct nk_context *ctx) -{ - NK_ASSERT(ctx); NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return nk_rect(0,0,0,0); - return ctx->current->bounds; -} - -NK_API struct nk_vec2 -nk_window_get_position(const struct nk_context *ctx) -{ - NK_ASSERT(ctx); NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return nk_vec2(0,0); - return nk_vec2(ctx->current->bounds.x, ctx->current->bounds.y); -} - -NK_API struct nk_vec2 -nk_window_get_size(const struct nk_context *ctx) -{ - NK_ASSERT(ctx); NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return nk_vec2(0,0); - return nk_vec2(ctx->current->bounds.w, ctx->current->bounds.h); -} - -NK_API float -nk_window_get_width(const struct nk_context *ctx) -{ - NK_ASSERT(ctx); NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return 0; - return ctx->current->bounds.w; -} - -NK_API float -nk_window_get_height(const struct nk_context *ctx) -{ - NK_ASSERT(ctx); NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return 0; - return ctx->current->bounds.h; -} - -NK_API struct nk_rect -nk_window_get_content_region(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return nk_rect(0,0,0,0); - return ctx->current->layout->clip; -} - -NK_API struct nk_vec2 -nk_window_get_content_region_min(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current) return nk_vec2(0,0); - return nk_vec2(ctx->current->layout->clip.x, ctx->current->layout->clip.y); -} - -NK_API struct nk_vec2 -nk_window_get_content_region_max(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current) return nk_vec2(0,0); - return nk_vec2(ctx->current->layout->clip.x + ctx->current->layout->clip.w, - ctx->current->layout->clip.y + ctx->current->layout->clip.h); -} - -NK_API struct nk_vec2 -nk_window_get_content_region_size(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current) return nk_vec2(0,0); - return nk_vec2(ctx->current->layout->clip.w, ctx->current->layout->clip.h); -} - -NK_API struct nk_command_buffer* -nk_window_get_canvas(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current) return 0; - return &ctx->current->buffer; -} - -NK_API struct nk_panel* -nk_window_get_panel(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return 0; - return ctx->current->layout; -} - -NK_API int -nk_window_has_focus(const struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current) return 0; - return ctx->current == ctx->active; -} - -NK_API int -nk_window_is_hovered(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return 0; - return nk_input_is_mouse_hovering_rect(&ctx->input, ctx->current->bounds); -} - -NK_API int -nk_window_is_any_hovered(struct nk_context *ctx) -{ - struct nk_window *iter; - NK_ASSERT(ctx); - if (!ctx) return 0; - iter = ctx->begin; - while (iter) { - if (nk_input_is_mouse_hovering_rect(&ctx->input, iter->bounds)) - return 1; - iter = iter->next; - } - return 0; -} - -NK_API int -nk_window_is_collapsed(struct nk_context *ctx, const char *name) -{ - int title_len; - nk_hash title_hash; - struct nk_window *win; - NK_ASSERT(ctx); - if (!ctx) return 0; - - title_len = (int)nk_strlen(name); - title_hash = nk_murmur_hash(name, (int)title_len, NK_WINDOW_TITLE); - win = nk_find_window(ctx, title_hash); - if (!win) return 0; - return win->flags & NK_WINDOW_MINIMIZED; -} - -NK_API int -nk_window_is_closed(struct nk_context *ctx, const char *name) -{ - int title_len; - nk_hash title_hash; - struct nk_window *win; - NK_ASSERT(ctx); - if (!ctx) return 1; - - title_len = (int)nk_strlen(name); - title_hash = nk_murmur_hash(name, (int)title_len, NK_WINDOW_TITLE); - win = nk_find_window(ctx, title_hash); - if (!win) return 1; - return (win->flags & NK_WINDOW_HIDDEN); -} - -NK_API int -nk_window_is_active(struct nk_context *ctx, const char *name) -{ - int title_len; - nk_hash title_hash; - struct nk_window *win; - NK_ASSERT(ctx); - if (!ctx) return 0; - - title_len = (int)nk_strlen(name); - title_hash = nk_murmur_hash(name, (int)title_len, NK_WINDOW_TITLE); - win = nk_find_window(ctx, title_hash); - if (!win) return 0; - return win == ctx->active; -} - -NK_API struct nk_window* -nk_window_find(struct nk_context *ctx, const char *name) -{ - int title_len; - nk_hash title_hash; - title_len = (int)nk_strlen(name); - title_hash = nk_murmur_hash(name, (int)title_len, NK_WINDOW_TITLE); - return nk_find_window(ctx, title_hash); -} - -NK_API void -nk_window_close(struct nk_context *ctx, const char *name) -{ - struct nk_window *win; - NK_ASSERT(ctx); - if (!ctx) return; - win = nk_window_find(ctx, name); - if (!win) return; - NK_ASSERT(ctx->current != win && "You cannot close a currently active window"); - if (ctx->current == win) return; - win->flags |= NK_WINDOW_HIDDEN; -} - -NK_API void -nk_window_set_bounds(struct nk_context *ctx, struct nk_rect bounds) -{ - NK_ASSERT(ctx); NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return; - ctx->current->bounds = bounds; -} - -NK_API void -nk_window_set_position(struct nk_context *ctx, struct nk_vec2 pos) -{ - NK_ASSERT(ctx); NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return; - ctx->current->bounds.x = pos.x; - ctx->current->bounds.y = pos.y; -} - -NK_API void -nk_window_set_size(struct nk_context *ctx, struct nk_vec2 size) -{ - NK_ASSERT(ctx); NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) return; - ctx->current->bounds.w = size.x; - ctx->current->bounds.h = size.y; -} - -NK_API void -nk_window_collapse(struct nk_context *ctx, const char *name, - enum nk_collapse_states c) -{ - int title_len; - nk_hash title_hash; - struct nk_window *win; - NK_ASSERT(ctx); - if (!ctx) return; - - title_len = (int)nk_strlen(name); - title_hash = nk_murmur_hash(name, (int)title_len, NK_WINDOW_TITLE); - win = nk_find_window(ctx, title_hash); - if (!win) return; - if (c == NK_MINIMIZED) - win->flags |= NK_WINDOW_MINIMIZED; - else win->flags &= ~(nk_flags)NK_WINDOW_MINIMIZED; -} - -NK_API void -nk_window_collapse_if(struct nk_context *ctx, const char *name, - enum nk_collapse_states c, int cond) -{ - NK_ASSERT(ctx); - if (!ctx || !cond) return; - nk_window_collapse(ctx, name, c); -} - -NK_API void -nk_window_show(struct nk_context *ctx, const char *name, enum nk_show_states s) -{ - int title_len; - nk_hash title_hash; - struct nk_window *win; - NK_ASSERT(ctx); - if (!ctx) return; - - title_len = (int)nk_strlen(name); - title_hash = nk_murmur_hash(name, (int)title_len, NK_WINDOW_TITLE); - win = nk_find_window(ctx, title_hash); - if (!win) return; - if (s == NK_HIDDEN) - win->flags |= NK_WINDOW_HIDDEN; - else win->flags &= ~(nk_flags)NK_WINDOW_HIDDEN; -} - -NK_API void -nk_window_show_if(struct nk_context *ctx, const char *name, - enum nk_show_states s, int cond) -{ - NK_ASSERT(ctx); - if (!ctx || !cond) return; - nk_window_show(ctx, name, s); -} - -NK_API void -nk_window_set_focus(struct nk_context *ctx, const char *name) -{ - int title_len; - nk_hash title_hash; - struct nk_window *win; - NK_ASSERT(ctx); - if (!ctx) return; - - title_len = (int)nk_strlen(name); - title_hash = nk_murmur_hash(name, (int)title_len, NK_WINDOW_TITLE); - win = nk_find_window(ctx, title_hash); - if (win && ctx->end != win) { - nk_remove_window(ctx, win); - nk_insert_window(ctx, win); - } - ctx->active = win; -} - -/*---------------------------------------------------------------- - * - * PANEL - * - * --------------------------------------------------------------*/ -static int -nk_window_has_header(struct nk_window *win, const char *title) -{ - /* window header state */ - int active = 0; - active = (win->flags & (NK_WINDOW_CLOSABLE|NK_WINDOW_MINIMIZABLE)); - active = active || (win->flags & NK_WINDOW_TITLE); - active = active && !(win->flags & NK_WINDOW_HIDDEN) && title; - return active; -} - -NK_INTERN int -nk_panel_begin(struct nk_context *ctx, const char *title) -{ - struct nk_input *in; - struct nk_window *win; - struct nk_panel *layout; - struct nk_command_buffer *out; - const struct nk_style *style; - const struct nk_user_font *font; - - int header_active = 0; - struct nk_vec2 scrollbar_size; - struct nk_vec2 item_spacing; - struct nk_vec2 window_padding; - struct nk_vec2 scaler_size; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - style = &ctx->style; - font = &style->font; - in = &ctx->input; - win = ctx->current; - layout = win->layout; - - /* cache style data */ - scrollbar_size = style->window.scrollbar_size; - window_padding = style->window.padding; - item_spacing = style->window.spacing; - scaler_size = style->window.scaler_size; - - /* check arguments */ - nk_zero(layout, sizeof(*layout)); - if (win->flags & NK_WINDOW_HIDDEN) - return 0; - -#ifdef NK_INCLUDE_COMMAND_USERDATA - win->buffer.userdata = ctx->userdata; -#endif - - /* window dragging */ - if ((win->flags & NK_WINDOW_MOVABLE) && !(win->flags & NK_WINDOW_ROM)) { - int incursor; - struct nk_rect move; - move.x = win->bounds.x; - move.y = win->bounds.y; - move.w = win->bounds.w; - - move.h = layout->header_h; - if (nk_window_has_header(win, title)) { - move.h = font->height + 2.0f * style->window.header.padding.y; - move.h += 2.0f * style->window.header.label_padding.y; - } else move.h = window_padding.y + item_spacing.y; - - incursor = nk_input_is_mouse_prev_hovering_rect(in, move); - if (nk_input_is_mouse_down(in, NK_BUTTON_LEFT) && incursor) { - win->bounds.x = win->bounds.x + in->mouse.delta.x; - win->bounds.y = win->bounds.y + in->mouse.delta.y; - } - } - - /* panel space with border */ - if (win->flags & NK_WINDOW_BORDER) { - if (!(win->flags & NK_WINDOW_SUB)) - layout->bounds = nk_shrink_rect(win->bounds, style->window.border); - else if (win->flags & NK_WINDOW_COMBO) - layout->bounds = nk_shrink_rect(win->bounds, style->window.combo_border); - else if (win->flags & NK_WINDOW_CONTEXTUAL) - layout->bounds = nk_shrink_rect(win->bounds, style->window.contextual_border); - else if (win->flags & NK_WINDOW_MENU) - layout->bounds = nk_shrink_rect(win->bounds, style->window.menu_border); - else if (win->flags & NK_WINDOW_GROUP) - layout->bounds = nk_shrink_rect(win->bounds, style->window.group_border); - else if (win->flags & NK_WINDOW_TOOLTIP) - layout->bounds = nk_shrink_rect(win->bounds, style->window.tooltip_border); - else layout->bounds = nk_shrink_rect(win->bounds, style->window.border); - } else layout->bounds = win->bounds; - - /* setup panel */ - layout->border = layout->bounds.x - win->bounds.x; - layout->at_x = layout->bounds.x; - layout->at_y = layout->bounds.y; - layout->width = layout->bounds.w; - layout->height = layout->bounds.h; - layout->max_x = 0; - layout->row.index = 0; - layout->row.columns = 0; - layout->row.height = 0; - layout->row.ratio = 0; - layout->row.item_width = 0; - layout->row.tree_depth = 0; - layout->flags = win->flags; - out = &win->buffer; - - /* calculate window header */ - if (win->flags & NK_WINDOW_MINIMIZED) { - layout->header_h = 0; - layout->row.height = 0; - } else { - layout->header_h = 0; - layout->row.height = item_spacing.y + window_padding.y; - } - - /* calculate window footer height */ - if (!(win->flags & NK_WINDOW_NONBLOCK) && - (!(win->flags & NK_WINDOW_NO_SCROLLBAR) || (win->flags & NK_WINDOW_SCALABLE))) - layout->footer_h = scaler_size.y + style->window.footer_padding.y; - else layout->footer_h = 0; - - /* calculate the window size */ - if (!(win->flags & NK_WINDOW_NO_SCROLLBAR)) - layout->width = layout->bounds.w - scrollbar_size.x; - layout->height = layout->bounds.h - (layout->header_h + item_spacing.y + window_padding.y); - layout->height -= layout->footer_h; - - /* window header */ - header_active = nk_window_has_header(win, title); - if (header_active) - { - struct nk_rect header; - struct nk_rect button; - struct nk_text text; - const struct nk_style_item *background; - - /* calculate header bounds */ - header.x = layout->bounds.x; - header.y = layout->bounds.y; - header.w = layout->bounds.w; - - /* calculate correct header height */ - layout->header_h = font->height + 2.0f * style->window.header.padding.y; - layout->header_h += 2.0f * style->window.header.label_padding.y; - layout->row.height += layout->header_h; - header.h = layout->header_h + 0.5f; - - /* update window height */ - layout->height = layout->bounds.h - (header.h + 2 * item_spacing.y); - layout->height -= layout->footer_h; - - /* select correct header background and text color */ - if (ctx->active == win) { - background = &style->window.header.active; - text.text = style->window.header.label_active; - } else if (nk_input_is_mouse_hovering_rect(&ctx->input, header)) { - background = &style->window.header.hover; - text.text = style->window.header.label_hover; - } else { - background = &style->window.header.normal; - text.text = style->window.header.label_normal; - } - - /* draw header background */ - if (background->type == NK_STYLE_ITEM_IMAGE) { - text.background = nk_rgba(0,0,0,0); - nk_draw_image(&win->buffer, header, &background->data.image); - } else { - text.background = background->data.color; - nk_fill_rect(out, nk_rect(layout->bounds.x, layout->bounds.y, - layout->bounds.w, layout->header_h), 0, background->data.color); - } - - /* window close button */ - button.y = header.y + style->window.header.padding.y; - button.h = layout->header_h - 2 * style->window.header.padding.y; - button.w = button.h; - if (win->flags & NK_WINDOW_CLOSABLE) { - nk_flags ws; - if (style->window.header.align == NK_HEADER_RIGHT) { - button.x = (header.w + header.x) - (button.w + style->window.header.padding.x); - header.w -= button.w + style->window.header.spacing.x + style->window.header.padding.x; - } else { - button.x = header.x + style->window.header.padding.x; - header.x += button.w + style->window.header.spacing.x + style->window.header.padding.x; - } - if (nk_do_button_symbol(&ws, &win->buffer, button, - style->window.header.close_symbol, NK_BUTTON_DEFAULT, - &style->window.header.close_button, in, &style->font)) - layout->flags |= NK_WINDOW_HIDDEN; - } - - /* window minimize button */ - if (win->flags & NK_WINDOW_MINIMIZABLE) { - nk_flags ws; - if (style->window.header.align == NK_HEADER_RIGHT) { - button.x = (header.w + header.x) - button.w; - if (!(win->flags & NK_WINDOW_CLOSABLE)) { - button.x -= style->window.header.padding.x; - header.w -= style->window.header.padding.x; - } - header.w -= button.w + style->window.header.spacing.x; - } else { - button.x = header.x; - header.x += button.w + style->window.header.spacing.x + style->window.header.padding.x; - } - if (nk_do_button_symbol(&ws, &win->buffer, button, - (layout->flags & NK_WINDOW_MINIMIZED)? - style->window.header.maximize_symbol: - style->window.header.minimize_symbol, - NK_BUTTON_DEFAULT, &style->window.header.minimize_button, in, &style->font)) - layout->flags = (layout->flags & NK_WINDOW_MINIMIZED) ? - layout->flags & (nk_flags)~NK_WINDOW_MINIMIZED: - layout->flags | NK_WINDOW_MINIMIZED; - } - { - /* window header title */ - int text_len = nk_strlen(title); - struct nk_rect label = {0,0,0,0}; - float t = font->width(font->userdata, font->height, title, text_len); - - label.x = header.x + style->window.header.padding.x; - label.x += style->window.header.label_padding.x; - label.y = header.y + style->window.header.label_padding.y; - label.h = font->height + 2 * style->window.header.label_padding.y; - label.w = t + 2 * style->window.header.spacing.x; - text.padding = nk_vec2(0,0); - nk_widget_text(out, label,(const char*)title, text_len, &text, - NK_TEXT_LEFT, font); - } - } - - /* fix header height for transition between minimized and maximized window state */ - if (win->flags & NK_WINDOW_MINIMIZED && !(layout->flags & NK_WINDOW_MINIMIZED)) - layout->row.height += 2 * item_spacing.y + style->window.border; - - if (layout->flags & NK_WINDOW_MINIMIZED) { - /* draw window background if minimized */ - layout->row.height = 0; - nk_fill_rect(out, nk_rect(layout->bounds.x, layout->bounds.y, - layout->bounds.w, layout->row.height), 0, style->window.background); - } else if (!(layout->flags & NK_WINDOW_DYNAMIC)) { - /* draw fixed window body */ - struct nk_rect body = layout->bounds; - if (header_active) { - body.y += layout->header_h - 0.5f; - body.h -= layout->header_h; - } - if (style->window.fixed_background.type == NK_STYLE_ITEM_IMAGE) - nk_draw_image(out, body, &style->window.fixed_background.data.image); - else nk_fill_rect(out, body, 0, style->window.fixed_background.data.color); - } else { - /* draw dynamic window body */ - nk_fill_rect(out, nk_rect(layout->bounds.x, layout->bounds.y, - layout->bounds.w, layout->row.height + window_padding.y), 0, - style->window.background); - } - { - /* calculate and set the window clipping rectangle*/ - struct nk_rect clip; - if (!(win->flags & NK_WINDOW_DYNAMIC)) { - layout->clip.x = layout->bounds.x + window_padding.x; - layout->clip.w = layout->width - 2 * window_padding.x; - } else { - layout->clip.x = layout->bounds.x; - layout->clip.w = layout->width; - } - - layout->clip.h = layout->bounds.h - (layout->footer_h + layout->header_h); - layout->clip.h -= (2.0f * window_padding.y); - layout->clip.y = layout->bounds.y; - - /* combo box and menu do not have header space */ - if (!(win->flags & NK_WINDOW_COMBO) && !(win->flags & NK_WINDOW_MENU)) - layout->clip.y += layout->header_h; - - nk_unify(&clip, &win->buffer.clip, layout->clip.x, layout->clip.y, - layout->clip.x + layout->clip.w, layout->clip.y + layout->clip.h); - nk_push_scissor(out, clip); - layout->clip = clip; - - win->buffer.clip.x = layout->bounds.x; - win->buffer.clip.w = layout->width; - if (!(win->flags & NK_WINDOW_NO_SCROLLBAR)) - win->buffer.clip.w += scrollbar_size.x; - } - return !(layout->flags & NK_WINDOW_HIDDEN) && !(layout->flags & NK_WINDOW_MINIMIZED); -} - -NK_INTERN void -nk_panel_end(struct nk_context *ctx) -{ - struct nk_input *in; - struct nk_window *window; - struct nk_panel *layout; - const struct nk_style *style; - struct nk_command_buffer *out; - - struct nk_vec2 scrollbar_size; - struct nk_vec2 scaler_size; - struct nk_vec2 item_spacing; - struct nk_vec2 window_padding; - struct nk_rect footer = {0,0,0,0}; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - window = ctx->current; - layout = window->layout; - style = &ctx->style; - out = &window->buffer; - in = (layout->flags & NK_WINDOW_ROM) ? 0 :&ctx->input; - if (!(layout->flags & NK_WINDOW_SUB)) - nk_push_scissor(out, nk_null_rect); - - /* cache configuration data */ - item_spacing = style->window.spacing; - window_padding = style->window.padding; - scrollbar_size = style->window.scrollbar_size; - scaler_size = style->window.scaler_size; - - /* update the current cursor Y-position to point over the last added widget */ - layout->at_y += layout->row.height; - - /* draw footer and fill empty spaces inside a dynamically growing panel */ - if (layout->flags & NK_WINDOW_DYNAMIC && !(layout->flags & NK_WINDOW_MINIMIZED)) { - layout->height = layout->at_y - layout->bounds.y; - layout->height = NK_MIN(layout->height, layout->bounds.h); - - if ((layout->offset->x == 0) || (layout->flags & NK_WINDOW_NO_SCROLLBAR)) { - /* special case for dynamic windows without horizontal scrollbar - * or hidden scrollbars */ - footer.x = window->bounds.x; - footer.y = window->bounds.y + layout->height + item_spacing.y; - footer.w = window->bounds.w + scrollbar_size.x; - layout->footer_h = 0; - footer.h = 0; - - if ((layout->offset->x == 0) && !(layout->flags & NK_WINDOW_NO_SCROLLBAR)) { - /* special case for windows like combobox, menu require draw call - * to fill the empty scrollbar background */ - struct nk_rect bounds; - bounds.x = layout->bounds.x + layout->width; - bounds.y = layout->clip.y; - bounds.w = scrollbar_size.x; - bounds.h = layout->height; - nk_fill_rect(out, bounds, 0, style->window.background); - } - } else { - /* dynamic window with visible scrollbars and therefore bigger footer */ - footer.x = window->bounds.x; - footer.w = window->bounds.w + scrollbar_size.x; - footer.h = layout->footer_h; - if ((layout->flags & NK_WINDOW_COMBO) || (layout->flags & NK_WINDOW_MENU) || - (layout->flags & NK_WINDOW_CONTEXTUAL)) - footer.y = window->bounds.y + layout->height; - else footer.y = window->bounds.y + layout->height + layout->footer_h; - nk_fill_rect(out, footer, 0, style->window.background); - - if (!(layout->flags & NK_WINDOW_COMBO) && !(layout->flags & NK_WINDOW_MENU)) { - /* fill empty scrollbar space */ - struct nk_rect bounds; - bounds.x = layout->bounds.x; - bounds.y = window->bounds.y + layout->height; - bounds.w = layout->bounds.w; - bounds.h = layout->row.height; - nk_fill_rect(out, bounds, 0, style->window.background); - } - } - } - - /* scrollbars */ - if (!(layout->flags & NK_WINDOW_NO_SCROLLBAR) && !(layout->flags & NK_WINDOW_MINIMIZED)) - { - struct nk_rect bounds; - int scroll_has_scrolling; - float scroll_target; - float scroll_offset; - float scroll_step; - float scroll_inc; - { - /* vertical scrollbar */ - nk_flags state; - bounds.x = layout->bounds.x + layout->width; - bounds.y = layout->clip.y; - bounds.w = scrollbar_size.y; - bounds.h = layout->clip.h; - if (layout->flags & NK_WINDOW_BORDER) bounds.h -= 1; - - scroll_offset = layout->offset->y; - scroll_step = layout->clip.h * 0.10f; - scroll_inc = layout->clip.h * 0.01f; - scroll_target = (float)(int)(layout->at_y - layout->clip.y); - scroll_has_scrolling = (window == ctx->active); - scroll_offset = nk_do_scrollbarv(&state, out, bounds, scroll_has_scrolling, - scroll_offset, scroll_target, scroll_step, scroll_inc, - &ctx->style.scrollv, in, &style->font); - layout->offset->y = (unsigned short)scroll_offset; - } - { - /* horizontal scrollbar */ - nk_flags state; - bounds.x = layout->bounds.x + window_padding.x; - if (layout->flags & NK_WINDOW_SUB) { - bounds.h = scrollbar_size.x; - bounds.y = (layout->flags & NK_WINDOW_BORDER) ? - layout->bounds.y + 1 : layout->bounds.y; - bounds.y += layout->header_h + layout->menu.h + layout->height; - bounds.w = layout->clip.w; - } else if (layout->flags & NK_WINDOW_DYNAMIC) { - bounds.h = NK_MIN(scrollbar_size.x, layout->footer_h); - bounds.w = layout->bounds.w; - bounds.y = footer.y; - } else { - bounds.h = NK_MIN(scrollbar_size.x, layout->footer_h); - bounds.y = layout->bounds.y + window->bounds.h; - bounds.y -= NK_MAX(layout->footer_h, scrollbar_size.x); - bounds.w = layout->width - 2 * window_padding.x; - } - scroll_offset = layout->offset->x; - scroll_target = (float)(int)(layout->max_x - bounds.x); - scroll_step = layout->max_x * 0.05f; - scroll_inc = layout->max_x * 0.005f; - scroll_has_scrolling = nk_false; - scroll_offset = nk_do_scrollbarh(&state, out, bounds, scroll_has_scrolling, - scroll_offset, scroll_target, scroll_step, scroll_inc, - &ctx->style.scrollh, in, &style->font); - layout->offset->x = (unsigned short)scroll_offset; - } - } - - /* scaler */ - if ((layout->flags & NK_WINDOW_SCALABLE) && in && !(layout->flags & NK_WINDOW_MINIMIZED)) { - /* calculate scaler bounds */ - const struct nk_style_item *scaler; - float scaler_w = NK_MAX(0, scaler_size.x - window_padding.x); - float scaler_h = NK_MAX(0, scaler_size.y - window_padding.y); - float scaler_x = (layout->bounds.x + layout->bounds.w) - (window_padding.x + scaler_w); - float scaler_y; - - if (layout->flags & NK_WINDOW_DYNAMIC) - scaler_y = footer.y + layout->footer_h - scaler_size.y; - else scaler_y = layout->bounds.y + layout->bounds.h - scaler_size.y; - - /* draw scaler */ - scaler = &style->window.scaler; - if (scaler->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(out, nk_rect(scaler_x, scaler_y, scaler_w, scaler_h), - &scaler->data.image); - } else { - nk_fill_triangle(out, scaler_x + scaler_w, scaler_y, scaler_x + scaler_w, - scaler_y + scaler_h, scaler_x, scaler_y + scaler_h, - scaler->data.color); - } - - /* do window scaling logic */ - if (!(window->flags & NK_WINDOW_ROM)) { - float prev_x = in->mouse.prev.x; - float prev_y = in->mouse.prev.y; - struct nk_vec2 window_size = style->window.min_size; - int incursor = NK_INBOX(prev_x,prev_y,scaler_x,scaler_y,scaler_w,scaler_h); - - if (nk_input_is_mouse_down(in, NK_BUTTON_LEFT) && incursor) { - window->bounds.w = NK_MAX(window_size.x, window->bounds.w + in->mouse.delta.x); - /* dragging in y-direction is only possible if static window */ - if (!(layout->flags & NK_WINDOW_DYNAMIC)) - window->bounds.h = NK_MAX(window_size.y, window->bounds.h + in->mouse.delta.y); - } - } - } - - /* window border */ - if (layout->flags & NK_WINDOW_BORDER) - { - const float padding_y = (layout->flags & NK_WINDOW_MINIMIZED) ? - 2.0f*style->window.border + window->bounds.y + layout->header_h: - (layout->flags & NK_WINDOW_DYNAMIC)? - layout->footer_h + footer.y: - layout->bounds.y + layout->bounds.h; - - /* select correct border color */ - struct nk_color border; - if (!(layout->flags & NK_WINDOW_SUB)) - border = style->window.border_color; - else if (layout->flags & NK_WINDOW_COMBO) - border = style->window.combo_border_color; - else if (layout->flags & NK_WINDOW_CONTEXTUAL) - border = style->window.contextual_border_color; - else if (layout->flags & NK_WINDOW_MENU) - border = style->window.menu_border_color; - else if (layout->flags & NK_WINDOW_GROUP) - border = style->window.group_border_color; - else if (layout->flags & NK_WINDOW_TOOLTIP) - border = style->window.tooltip_border_color; - else border = style->window.border_color; - - /* draw border between header and window body */ - if (window->flags & NK_WINDOW_BORDER_HEADER) - nk_stroke_line(out, window->bounds.x + layout->border/2.0f, - window->bounds.y + layout->header_h - layout->border, - window->bounds.x + window->bounds.w - layout->border, - window->bounds.y + layout->header_h - layout->border, - layout->border, border); - - /* draw border top */ - nk_stroke_line(out, window->bounds.x + layout->border/2.0f, - window->bounds.y + layout->border/2.0f, - window->bounds.x + window->bounds.w - layout->border, - window->bounds.y + layout->border/2.0f, - style->window.border, border); - - /* draw bottom border */ - nk_stroke_line(out, window->bounds.x + layout->border/2.0f, - padding_y - layout->border, - window->bounds.x + window->bounds.w - layout->border, - padding_y - layout->border, - layout->border, border); - - /* draw left border */ - nk_stroke_line(out, window->bounds.x + layout->border/2.0f, - window->bounds.y + layout->border/2.0f, window->bounds.x + layout->border/2.0f, - padding_y - layout->border, layout->border, border); - - /* draw right border */ - nk_stroke_line(out, window->bounds.x + window->bounds.w - layout->border, - window->bounds.y + layout->border/2.0f, - window->bounds.x + window->bounds.w - layout->border, - padding_y - layout->border, layout->border, border); - } - - if (!(window->flags & NK_WINDOW_SUB)) { - /* window is hidden so clear command buffer */ - if (layout->flags & NK_WINDOW_HIDDEN) - nk_command_buffer_reset(&window->buffer); - /* window is visible and not tab */ - else nk_finish(ctx, window); - } - - /* NK_WINDOW_REMOVE_ROM flag was set so remove NK_WINDOW_ROM */ - if (layout->flags & NK_WINDOW_REMOVE_ROM) { - layout->flags &= ~(nk_flags)NK_WINDOW_ROM; - layout->flags &= ~(nk_flags)NK_WINDOW_REMOVE_ROM; - } - window->flags = layout->flags; - - /* property garbage collector */ - if (window->property.active && window->property.old != window->property.seq && - window->property.active == window->property.prev) { - nk_zero(&window->property, sizeof(window->property)); - } else { - window->property.old = window->property.seq; - window->property.prev = window->property.active; - window->property.seq = 0; - } - - /* edit garbage collector */ - if (window->edit.active && window->edit.old != window->edit.seq && - window->edit.active == window->edit.prev) { - nk_zero(&window->edit, sizeof(window->edit)); - } else { - window->edit.old = window->edit.seq; - window->edit.prev = window->edit.active; - window->edit.seq = 0; - } - - /* contextual garbage collector */ - if (window->popup.active_con && window->popup.con_old != window->popup.con_count) { - window->popup.con_count = 0; - window->popup.con_old = 0; - window->popup.active_con = 0; - } else { - window->popup.con_old = window->popup.con_count; - window->popup.con_count = 0; - } - window->popup.combo_count = 0; - /* helper to make sure you have a 'nk_tree_push' - * for every 'nk_tree_pop' */ - NK_ASSERT(!layout->row.tree_depth); -} - -NK_API void -nk_menubar_begin(struct nk_context *ctx) -{ - struct nk_panel *layout; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - layout = ctx->current->layout; - if (layout->flags & NK_WINDOW_HIDDEN || layout->flags & NK_WINDOW_MINIMIZED) - return; - - layout->menu.x = layout->at_x; - layout->menu.y = layout->bounds.y + layout->header_h; - layout->menu.w = layout->width; - layout->menu.offset = *layout->offset; - layout->offset->y = 0; -} - -NK_API void -nk_menubar_end(struct nk_context *ctx) -{ - struct nk_window *win; - struct nk_panel *layout; - struct nk_command_buffer *out; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - if (!ctx || layout->flags & NK_WINDOW_HIDDEN || layout->flags & NK_WINDOW_MINIMIZED) - return; - - out = &win->buffer; - layout->menu.h = layout->at_y - layout->menu.y; - layout->clip.y = layout->bounds.y + layout->header_h + layout->menu.h + layout->row.height; - layout->height -= layout->menu.h; - *layout->offset = layout->menu.offset; - layout->clip.h -= layout->menu.h + layout->row.height; - layout->at_y = layout->menu.y + layout->menu.h; - nk_push_scissor(out, layout->clip); -} -/* ------------------------------------------------------------- - * - * LAYOUT - * - * --------------------------------------------------------------*/ -#define NK_LAYOUT_DYNAMIC_FIXED 0 -#define NK_LAYOUT_DYNAMIC_ROW 1 -#define NK_LAYOUT_DYNAMIC_FREE 2 -#define NK_LAYOUT_DYNAMIC 3 -#define NK_LAYOUT_STATIC_FIXED 4 -#define NK_LAYOUT_STATIC_ROW 5 -#define NK_LAYOUT_STATIC_FREE 6 -#define NK_LAYOUT_STATIC 7 - -NK_INTERN void -nk_panel_layout(const struct nk_context *ctx, struct nk_window *win, - float height, int cols) -{ - struct nk_panel *layout; - const struct nk_style *style; - struct nk_command_buffer *out; - - struct nk_vec2 item_spacing; - struct nk_vec2 panel_padding; - struct nk_color color; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - /* prefetch some configuration data */ - layout = win->layout; - style = &ctx->style; - out = &win->buffer; - color = style->window.background; - item_spacing = style->window.spacing; - panel_padding = style->window.padding; - - /* update the current row and set the current row layout */ - layout->row.index = 0; - layout->at_y += layout->row.height; - layout->row.columns = cols; - layout->row.height = height + item_spacing.y; - layout->row.item_offset = 0; - if (layout->flags & NK_WINDOW_DYNAMIC) - nk_fill_rect(out, nk_rect(layout->bounds.x, layout->at_y, - layout->bounds.w, height + panel_padding.y), 0, color); -} - -NK_INTERN void -nk_row_layout(struct nk_context *ctx, enum nk_layout_format fmt, - float height, int cols, int width) -{ - /* update the current row and set the current row layout */ - struct nk_window *win; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - nk_panel_layout(ctx, win, height, cols); - if (fmt == NK_DYNAMIC) - win->layout->row.type = NK_LAYOUT_DYNAMIC_FIXED; - else win->layout->row.type = NK_LAYOUT_STATIC_FIXED; - - win->layout->row.item_width = (float)width; - win->layout->row.ratio = 0; - win->layout->row.item_offset = 0; - win->layout->row.filled = 0; -} - -NK_API void -nk_layout_row_dynamic(struct nk_context *ctx, float height, int cols) -{ - nk_row_layout(ctx, NK_DYNAMIC, height, cols, 0); -} - -NK_API void -nk_layout_row_static(struct nk_context *ctx, float height, int item_width, int cols) -{ - nk_row_layout(ctx, NK_STATIC, height, cols, item_width); -} - -NK_API void -nk_layout_row_begin(struct nk_context *ctx, enum nk_layout_format fmt, - float row_height, int cols) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - - nk_panel_layout(ctx, win, row_height, cols); - if (fmt == NK_DYNAMIC) - layout->row.type = NK_LAYOUT_DYNAMIC_ROW; - else layout->row.type = NK_LAYOUT_STATIC_ROW; - - layout->row.ratio = 0; - layout->row.item_width = 0; - layout->row.item_offset = 0; - layout->row.filled = 0; - layout->row.columns = cols; -} - -NK_API void -nk_layout_row_push(struct nk_context *ctx, float ratio_or_width) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - - if (layout->row.type == NK_LAYOUT_DYNAMIC_ROW) { - float ratio = ratio_or_width; - if ((ratio + layout->row.filled) > 1.0f) return; - if (ratio > 0.0f) - layout->row.item_width = NK_SATURATE(ratio); - else layout->row.item_width = 1.0f - layout->row.filled; - } else layout->row.item_width = ratio_or_width; -} - -NK_API void -nk_layout_row_end(struct nk_context *ctx) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - layout->row.item_width = 0; - layout->row.item_offset = 0; -} - -NK_API void -nk_layout_row(struct nk_context *ctx, enum nk_layout_format fmt, - float height, int cols, const float *ratio) -{ - int i; - int n_undef = 0; - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - nk_panel_layout(ctx, win, height, cols); - if (fmt == NK_DYNAMIC) { - /* calculate width of undefined widget ratios */ - float r = 0; - layout->row.ratio = ratio; - for (i = 0; i < cols; ++i) { - if (ratio[i] < 0.0f) - n_undef++; - else r += ratio[i]; - } - r = NK_SATURATE(1.0f - r); - layout->row.type = NK_LAYOUT_DYNAMIC; - layout->row.item_width = (r > 0 && n_undef > 0) ? (r / (float)n_undef):0; - } else { - layout->row.ratio = ratio; - layout->row.type = NK_LAYOUT_STATIC; - layout->row.item_width = 0; - layout->row.item_offset = 0; - } - layout->row.item_offset = 0; - layout->row.filled = 0; -} - -NK_API void -nk_layout_space_begin(struct nk_context *ctx, enum nk_layout_format fmt, - float height, int widget_count) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - nk_panel_layout(ctx, win, height, widget_count); - if (fmt == NK_STATIC) - layout->row.type = NK_LAYOUT_STATIC_FREE; - else layout->row.type = NK_LAYOUT_DYNAMIC_FREE; - - layout->row.ratio = 0; - layout->row.item_width = 0; - layout->row.item_offset = 0; - layout->row.filled = 0; -} - -NK_API void -nk_layout_space_end(struct nk_context *ctx) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - layout->row.item_width = 0; - layout->row.item_height = 0; - layout->row.item_offset = 0; - nk_zero(&layout->row.item, sizeof(layout->row.item)); -} - -NK_API void -nk_layout_space_push(struct nk_context *ctx, struct nk_rect rect) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - layout->row.item = rect; -} - -NK_API struct nk_rect -nk_layout_space_bounds(struct nk_context *ctx) -{ - struct nk_rect ret; - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - win = ctx->current; - layout = win->layout; - - ret.x = layout->clip.x; - ret.y = layout->clip.y; - ret.w = layout->clip.w; - ret.h = layout->row.height; - return ret; -} - -NK_API struct nk_vec2 -nk_layout_space_to_screen(struct nk_context *ctx, struct nk_vec2 ret) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - win = ctx->current; - layout = win->layout; - - ret.x += layout->at_x - layout->offset->x; - ret.y += layout->at_y - layout->offset->y; - return ret; -} - -NK_API struct nk_vec2 -nk_layout_space_to_local(struct nk_context *ctx, struct nk_vec2 ret) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - win = ctx->current; - layout = win->layout; - - ret.x += -layout->at_x + layout->offset->x; - ret.y += -layout->at_y + layout->offset->y; - return ret; -} - -NK_API struct nk_rect -nk_layout_space_rect_to_screen(struct nk_context *ctx, struct nk_rect ret) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - win = ctx->current; - layout = win->layout; - - ret.x += layout->at_x - layout->offset->x; - ret.y += layout->at_y - layout->offset->y; - return ret; -} - -NK_API struct nk_rect -nk_layout_space_rect_to_local(struct nk_context *ctx, struct nk_rect ret) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - win = ctx->current; - layout = win->layout; - - ret.x += -layout->at_x + layout->offset->x; - ret.y += -layout->at_y + layout->offset->y; - return ret; -} - -NK_INTERN void -nk_panel_alloc_row(const struct nk_context *ctx, struct nk_window *win) -{ - struct nk_panel *layout = win->layout; - struct nk_vec2 spacing = ctx->style.window.spacing; - const float row_height = layout->row.height - spacing.y; - nk_panel_layout(ctx, win, row_height, layout->row.columns); -} - -NK_INTERN void -nk_layout_widget_space(struct nk_rect *bounds, const struct nk_context *ctx, - struct nk_window *win, int modify) -{ - struct nk_panel *layout; - float item_offset = 0; - float item_width = 0; - float item_spacing = 0; - - float panel_padding; - float panel_spacing; - float panel_space; - - struct nk_vec2 spacing; - struct nk_vec2 padding; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - NK_ASSERT(bounds); - - /* cache some configuration data */ - spacing = ctx->style.window.spacing; - padding = ctx->style.window.padding; - - /* calculate the usable panel space */ - panel_padding = 2 * padding.x; - panel_spacing = (float)(layout->row.columns - 1) * spacing.x; - panel_space = layout->width - panel_padding - panel_spacing; - - /* calculate the width of one item inside the current layout space */ - switch (layout->row.type) { - case NK_LAYOUT_DYNAMIC_FIXED: { - /* scaling fixed size widgets item width */ - item_width = panel_space / (float)layout->row.columns; - item_offset = (float)layout->row.index * item_width; - item_spacing = (float)layout->row.index * spacing.x; - } break; - case NK_LAYOUT_DYNAMIC_ROW: { - /* scaling single ratio widget width */ - item_width = layout->row.item_width * panel_space; - item_offset = layout->row.item_offset; - item_spacing = (float)layout->row.index * spacing.x; - - if (modify) { - layout->row.item_offset += item_width + spacing.x; - layout->row.filled += layout->row.item_width; - layout->row.index = 0; - } - } break; - case NK_LAYOUT_DYNAMIC_FREE: { - /* panel width depended free widget placing */ - bounds->x = layout->at_x + (layout->width * layout->row.item.x); - bounds->x -= layout->offset->x; - bounds->y = layout->at_y + (layout->row.height * layout->row.item.y); - bounds->y -= layout->offset->y; - bounds->w = layout->width * layout->row.item.w; - bounds->h = layout->row.height * layout->row.item.h; - return; - }; - case NK_LAYOUT_DYNAMIC: { - /* scaling arrays of panel width ratios for every widget */ - float ratio; - NK_ASSERT(layout->row.ratio); - ratio = (layout->row.ratio[layout->row.index] < 0) ? - layout->row.item_width : layout->row.ratio[layout->row.index]; - - item_spacing = (float)layout->row.index * spacing.x; - item_width = (ratio * panel_space); - item_offset = layout->row.item_offset; - if (modify) { - layout->row.item_offset += item_width; - layout->row.filled += ratio; - } - } break; - case NK_LAYOUT_STATIC_FIXED: { - /* non-scaling fixed widgets item width */ - item_width = layout->row.item_width; - item_offset = (float)layout->row.index * item_width; - item_spacing = (float)layout->row.index * spacing.x; - } break; - case NK_LAYOUT_STATIC_ROW: { - /* scaling single ratio widget width */ - item_width = layout->row.item_width; - item_offset = layout->row.item_offset; - item_spacing = (float)layout->row.index * spacing.x; - if (modify) { - layout->row.item_offset += item_width; - layout->row.index = 0; - } - } break; - case NK_LAYOUT_STATIC_FREE: { - /* free widget placing */ - bounds->x = layout->at_x + layout->row.item.x; - bounds->w = layout->row.item.w; - if (((bounds->x + bounds->w) > layout->max_x) && modify) - layout->max_x = (bounds->x + bounds->w); - bounds->x -= layout->offset->x; - bounds->y = layout->at_y + layout->row.item.y; - bounds->y -= layout->offset->y; - bounds->h = layout->row.item.h; - return; - }; - case NK_LAYOUT_STATIC: { - /* non-scaling array of panel pixel width for every widget */ - item_spacing = (float)layout->row.index * spacing.x; - item_width = layout->row.ratio[layout->row.index]; - item_offset = layout->row.item_offset; - if (modify) layout->row.item_offset += item_width; - } break; - default: NK_ASSERT(0); break; - }; - - /* set the bounds of the newly allocated widget */ - bounds->w = item_width; - bounds->h = layout->row.height - spacing.y; - bounds->y = layout->at_y - layout->offset->y; - bounds->x = layout->at_x + item_offset + item_spacing + padding.x; - if (((bounds->x + bounds->w) > layout->max_x) && modify) - layout->max_x = bounds->x + bounds->w; - bounds->x -= layout->offset->x; -} - -NK_INTERN void -nk_panel_alloc_space(struct nk_rect *bounds, const struct nk_context *ctx) -{ - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - /* check if the end of the row has been hit and begin new row if so */ - win = ctx->current; - layout = win->layout; - if (layout->row.index >= layout->row.columns) - nk_panel_alloc_row(ctx, win); - - /* calculate widget position and size */ - nk_layout_widget_space(bounds, ctx, win, nk_true); - layout->row.index++; -} - -NK_INTERN void -nk_layout_peek(struct nk_rect *bounds, struct nk_context *ctx) -{ - float y; - int index; - struct nk_window *win; - struct nk_panel *layout; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - y = layout->at_y; - index = layout->row.index; - if (layout->row.index >= layout->row.columns) { - layout->at_y += layout->row.height; - layout->row.index = 0; - } - nk_layout_widget_space(bounds, ctx, win, nk_false); - layout->at_y = y; - layout->row.index = index; -} - -NK_API int -nk__tree_push(struct nk_context *ctx, enum nk_tree_type type, - const char *title, enum nk_collapse_states initial_state, - const char *file, int line) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_style *style; - struct nk_command_buffer *out; - const struct nk_input *in; - - struct nk_vec2 item_spacing; - struct nk_vec2 panel_padding; - struct nk_rect header = {0,0,0,0}; - struct nk_rect sym = {0,0,0,0}; - struct nk_text text; - - nk_flags ws; - int title_len; - nk_hash title_hash; - nk_uint *state = 0; - enum nk_widget_layout_states widget_state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - /* cache some data */ - win = ctx->current; - layout = win->layout; - out = &win->buffer; - style = &ctx->style; - - item_spacing = style->window.spacing; - panel_padding = style->window.padding; - - /* calculate header bounds and draw background */ - nk_layout_row_dynamic(ctx, style->font.height + 2 * style->tab.padding.y, 1); - widget_state = nk_widget(&header, ctx); - if (type == NK_TREE_TAB) { - const struct nk_style_item *background = &style->tab.background; - if (background->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(out, header, &background->data.image); - text.background = nk_rgba(0,0,0,0); - } else { - text.background = background->data.color; - nk_fill_rect(out, header, 0, style->tab.border_color); - nk_fill_rect(out, nk_shrink_rect(header, style->tab.border), - style->tab.rounding, background->data.color); - } - } else text.background = style->window.background; - - /* find or create tab persistent state (open/closed) */ - title_len = (int)nk_strlen(title); - title_hash = nk_murmur_hash(title, (int)title_len, (nk_hash)line); - if (file) title_hash += nk_murmur_hash(file, (int)nk_strlen(file), (nk_hash)line); - state = nk_find_value(win, title_hash); - if (!state) { - state = nk_add_value(ctx, win, title_hash, 0); - *state = initial_state; - } - - /* update node state */ - in = (!(layout->flags & NK_WINDOW_ROM)) ? &ctx->input: 0; - in = (in && widget_state == NK_WIDGET_VALID) ? &ctx->input : 0; - if (nk_button_behavior(&ws, header, in, NK_BUTTON_DEFAULT)) - *state = (*state == NK_MAXIMIZED) ? NK_MINIMIZED : NK_MAXIMIZED; - - { - /* calculate the triangle bounds */ - sym.w = sym.h = style->font.height; - sym.y = header.y + style->tab.padding.y; - sym.x = header.x + panel_padding.x + style->tab.padding.x; - - /* calculate the triangle points and draw triangle */ - nk_do_button_symbol(&ws, &win->buffer, sym, - (*state == NK_MAXIMIZED)? style->tab.sym_minimize: style->tab.sym_maximize, - NK_BUTTON_DEFAULT, (type == NK_TREE_TAB)? - &style->tab.tab_button: &style->tab.node_button, - in, &style->font); - - /* calculate the space the icon occupied */ - sym.w = style->font.height + 2 * style->tab.spacing.x; - } - { - /* draw node label */ - struct nk_rect label; - header.w = NK_MAX(header.w, sym.w + item_spacing.y + panel_padding.x); - label.x = sym.x + sym.w + item_spacing.x; - label.y = sym.y; - label.w = header.w - (sym.w + item_spacing.y + panel_padding.x); - label.h = style->font.height; - - text.text = style->tab.text; - text.padding = nk_vec2(0,0); - nk_widget_text(out, label, title, nk_strlen(title), &text, - NK_TEXT_LEFT, &style->font); - } - - /* increase x-axis cursor widget position pointer */ - if (*state == NK_MAXIMIZED) { - layout->at_x = header.x + layout->offset->x; - layout->width = NK_MAX(layout->width, 2 * panel_padding.x); - layout->width -= 2 * panel_padding.x; - layout->row.tree_depth++; - return nk_true; - } else return nk_false; -} - -NK_API void -nk_tree_pop(struct nk_context *ctx) -{ - struct nk_vec2 panel_padding; - struct nk_window *win = 0; - struct nk_panel *layout = 0; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - win = ctx->current; - layout = win->layout; - panel_padding = ctx->style.window.padding; - layout->at_x -= panel_padding.x; - layout->width += 2 * panel_padding.x; - NK_ASSERT(layout->row.tree_depth); - layout->row.tree_depth--; -} -/*---------------------------------------------------------------- - * - * WIDGETS - * - * --------------------------------------------------------------*/ -NK_API struct nk_rect -nk_widget_bounds(struct nk_context *ctx) -{ - struct nk_rect bounds; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return nk_rect(0,0,0,0); - nk_layout_peek(&bounds, ctx); - return bounds; -} - -NK_API struct nk_vec2 -nk_widget_position(struct nk_context *ctx) -{ - struct nk_rect bounds; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return nk_vec2(0,0); - - nk_layout_peek(&bounds, ctx); - return nk_vec2(bounds.x, bounds.y); -} - -NK_API struct nk_vec2 -nk_widget_size(struct nk_context *ctx) -{ - struct nk_rect bounds; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return nk_vec2(0,0); - - nk_layout_peek(&bounds, ctx); - return nk_vec2(bounds.w, bounds.h); -} - -NK_API int -nk_widget_is_hovered(struct nk_context *ctx) -{ - int ret; - struct nk_rect bounds; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return 0; - - nk_layout_peek(&bounds, ctx); - ret = (ctx->active == ctx->current); - ret = ret && nk_input_is_mouse_hovering_rect(&ctx->input, bounds); - return ret; -} - -NK_API int -nk_widget_is_mouse_clicked(struct nk_context *ctx, enum nk_buttons btn) -{ - int ret; - struct nk_rect bounds; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return 0; - - nk_layout_peek(&bounds, ctx); - ret = (ctx->active == ctx->current); - ret = ret && nk_input_mouse_clicked(&ctx->input, btn, bounds); - return ret; -} - -NK_API int -nk_widget_has_mouse_click_down(struct nk_context *ctx, enum nk_buttons btn, int down) -{ - int ret; - struct nk_rect bounds; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return 0; - - nk_layout_peek(&bounds, ctx); - ret = (ctx->active == ctx->current); - ret = ret && nk_input_has_mouse_click_down_in_rect(&ctx->input, btn, bounds, down); - return ret; -} - -NK_API enum nk_widget_layout_states -nk_widget(struct nk_rect *bounds, const struct nk_context *ctx) -{ - struct nk_rect *c = 0; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return NK_WIDGET_INVALID; - - /* allocate space and check if the widget needs to be updated and drawn */ - nk_panel_alloc_space(bounds, ctx); - c = &ctx->current->layout->clip; - if (!NK_INTERSECT(c->x, c->y, c->w, c->h, bounds->x, bounds->y, bounds->w, bounds->h)) - return NK_WIDGET_INVALID; - if (!NK_CONTAINS(bounds->x, bounds->y, bounds->w, bounds->h, c->x, c->y, c->w, c->h)) - return NK_WIDGET_ROM; - return NK_WIDGET_VALID; -} - -NK_API enum nk_widget_layout_states -nk_widget_fitting(struct nk_rect *bounds, struct nk_context *ctx, - struct nk_vec2 item_padding) -{ - /* update the bounds to stand without padding */ - struct nk_window *win; - struct nk_style *style; - struct nk_panel *layout; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return NK_WIDGET_INVALID; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - state = nk_widget(bounds, ctx); - if (layout->row.index == 1) { - bounds->w += style->window.padding.x; - bounds->x -= style->window.padding.x; - } else bounds->x -= item_padding.x; - - if (layout->row.index == layout->row.columns) - bounds->w += style->window.padding.x; - else bounds->w += item_padding.x; - return state; -} - -/*---------------------------------------------------------------- - * - * MISC - * - * --------------------------------------------------------------*/ -NK_API void -nk_spacing(struct nk_context *ctx, int cols) -{ - struct nk_window *win; - struct nk_panel *layout; - struct nk_rect nil; - int i, index, rows; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - /* spacing over row boundaries */ - win = ctx->current; - layout = win->layout; - index = (layout->row.index + cols) % layout->row.columns; - rows = (layout->row.index + cols) / layout->row.columns; - if (rows) { - for (i = 0; i < rows; ++i) - nk_panel_alloc_row(ctx, win); - cols = index; - } - - /* non table layout need to allocate space */ - if (layout->row.type != NK_LAYOUT_DYNAMIC_FIXED && - layout->row.type != NK_LAYOUT_STATIC_FIXED) { - for (i = 0; i < cols; ++i) - nk_panel_alloc_space(&nil, ctx); - } - layout->row.index = index; -} - -/*---------------------------------------------------------------- - * - * TEXT - * - * --------------------------------------------------------------*/ -NK_API void -nk_text_colored(struct nk_context *ctx, const char *str, int len, - nk_flags alignment, struct nk_color color) -{ - struct nk_window *win; - const struct nk_style *style; - - struct nk_vec2 item_padding; - struct nk_rect bounds; - struct nk_text text; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) return; - - win = ctx->current; - style = &ctx->style; - nk_panel_alloc_space(&bounds, ctx); - item_padding = style->text.padding; - - text.padding.x = item_padding.x; - text.padding.y = item_padding.y; - text.background = style->window.background; - text.text = color; - nk_widget_text(&win->buffer, bounds, str, len, &text, alignment, &style->font); -} - -NK_API void -nk_text_wrap_colored(struct nk_context *ctx, const char *str, - int len, struct nk_color color) -{ - struct nk_window *win; - const struct nk_style *style; - - struct nk_vec2 item_padding; - struct nk_rect bounds; - struct nk_text text; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) return; - - win = ctx->current; - style = &ctx->style; - nk_panel_alloc_space(&bounds, ctx); - item_padding = style->text.padding; - - text.padding.x = item_padding.x; - text.padding.y = item_padding.y; - text.background = style->window.background; - text.text = color; - nk_widget_text_wrap(&win->buffer, bounds, str, len, &text, &style->font); - ctx->last_widget_state = 0; -} - -#ifdef NK_INCLUDE_STANDARD_IO -NK_API void -nk_labelf_colored(struct nk_context *ctx, nk_flags flags, - struct nk_color color, const char *fmt, ...) -{ - char buf[256]; - va_list args; - va_start(args, fmt); - nk_strfmtv(buf, NK_LEN(buf), fmt, args); - nk_label_colored(ctx, buf, flags, color); - va_end(args); -} - -NK_API void -nk_labelf_colored_wrap(struct nk_context *ctx, struct nk_color color, - const char *fmt, ...) -{ - char buf[256]; - va_list args; - va_start(args, fmt); - nk_strfmtv(buf, NK_LEN(buf), fmt, args); - nk_label_colored_wrap(ctx, buf, color); - va_end(args); -} - -NK_API void -nk_labelf(struct nk_context *ctx, nk_flags flags, const char *fmt, ...) -{ - char buf[256]; - va_list args; - va_start(args, fmt); - nk_strfmtv(buf, NK_LEN(buf), fmt, args); - nk_label(ctx, buf, flags); - va_end(args); -} - -NK_API void -nk_labelf_wrap(struct nk_context *ctx, const char *fmt,...) -{ - char buf[256]; - va_list args; - va_start(args, fmt); - nk_strfmtv(buf, NK_LEN(buf), fmt, args); - nk_label_wrap(ctx, buf); - va_end(args); -} - -NK_API void -nk_value_bool(struct nk_context *ctx, const char *prefix, int value) -{nk_labelf(ctx, NK_TEXT_LEFT, "%s: %s", prefix, ((value) ? "true": "false"));} - -NK_API void -nk_value_int(struct nk_context *ctx, const char *prefix, int value) -{nk_labelf(ctx, NK_TEXT_LEFT, "%s: %d", prefix, value);} - -NK_API void -nk_value_uint(struct nk_context *ctx, const char *prefix, unsigned int value) -{nk_labelf(ctx, NK_TEXT_LEFT, "%s: %u", prefix, value);} - -NK_API void -nk_value_float(struct nk_context *ctx, const char *prefix, float value) -{nk_labelf(ctx, NK_TEXT_LEFT, "%s: %.3f", prefix, value);} - -NK_API void -nk_value_color_byte(struct nk_context *ctx, const char *p, struct nk_color c) -{nk_labelf(ctx, NK_TEXT_LEFT, "%s: (%c, %c, %c, %c)", p, c.r, c.g, c.b, c.a);} - -NK_API void -nk_value_color_float(struct nk_context *ctx, const char *p, struct nk_color color) -{ - float c[4]; nk_color_fv(c, color); - nk_labelf(ctx, NK_TEXT_LEFT, "%s: (%.2f, %.2f, %.2f, %.2f)", - p, c[0], c[1], c[2], c[3]); -} - -NK_API void -nk_value_color_hex(struct nk_context *ctx, const char *prefix, struct nk_color color) -{ - char hex[16]; - nk_color_hex_rgba(hex, color); - nk_labelf(ctx, NK_TEXT_LEFT, "%s: %s", prefix, hex); -} -#endif - -NK_API void -nk_text(struct nk_context *ctx, const char *str, int len, nk_flags alignment) -{ - NK_ASSERT(ctx); - if (!ctx) return; - nk_text_colored(ctx, str, len, alignment, ctx->style.text.color); -} - -NK_API void -nk_text_wrap(struct nk_context *ctx, const char *str, int len) -{ - NK_ASSERT(ctx); - if (!ctx) return; - nk_text_wrap_colored(ctx, str, len, ctx->style.text.color); -} - -NK_API void -nk_label(struct nk_context *ctx, const char *str, nk_flags alignment) -{nk_text(ctx, str, nk_strlen(str), alignment);} - -NK_API void -nk_label_colored(struct nk_context *ctx, const char *str, nk_flags align, - struct nk_color color) -{nk_text_colored(ctx, str, nk_strlen(str), align, color);} - -NK_API void -nk_label_wrap(struct nk_context *ctx, const char *str) -{nk_text_wrap(ctx, str, nk_strlen(str));} - -NK_API void -nk_label_colored_wrap(struct nk_context *ctx, const char *str, struct nk_color color) -{nk_text_wrap_colored(ctx, str, nk_strlen(str), color);} - -NK_API void -nk_image(struct nk_context *ctx, struct nk_image img) -{ - struct nk_window *win; - struct nk_rect bounds; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) return; - - win = ctx->current; - if (!nk_widget(&bounds, ctx)) return; - nk_draw_image(&win->buffer, bounds, &img); - ctx->last_widget_state = 0; -} - -/*---------------------------------------------------------------- - * - * BUTTON - * - * --------------------------------------------------------------*/ -NK_API int -nk_button_text(struct nk_context *ctx, const char *title, int len, - enum nk_button_behavior behavior) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) return 0; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - state = nk_widget(&bounds, ctx); - - if (!state) return 0; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - return nk_do_button_text(&ctx->last_widget_state, &win->buffer, bounds, - title, len, style->button.text_alignment, behavior, - &style->button, in, &style->font); -} - -NK_API int nk_button_label(struct nk_context *ctx, const char *title, - enum nk_button_behavior behavior) -{return nk_button_text(ctx, title, nk_strlen(title), behavior);} - -NK_API int -nk_button_color(struct nk_context *ctx, struct nk_color color, - enum nk_button_behavior behavior) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - struct nk_style_button button; - - int ret = 0; - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - layout = win->layout; - - state = nk_widget(&bounds, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - - button = ctx->style.button; - button.normal = nk_style_item_color(color); - button.hover = nk_style_item_color(color); - button.active = nk_style_item_color(color); - button.padding = nk_vec2(0,0); - ret = nk_do_button(&ctx->last_widget_state, &win->buffer, bounds, - &button, in, behavior, &bounds); - nk_draw_button(&win->buffer, &bounds, ctx->last_widget_state, &button); - return ret; -} - -NK_API int -nk_button_symbol(struct nk_context *ctx, enum nk_symbol_type symbol, - enum nk_button_behavior behavior) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - - state = nk_widget(&bounds, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - return nk_do_button_symbol(&ctx->last_widget_state, &win->buffer, bounds, - symbol, behavior, &style->button, in, &style->font); -} - -NK_API int -nk_button_image(struct nk_context *ctx, struct nk_image img, - enum nk_button_behavior behavior) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - - state = nk_widget(&bounds, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - return nk_do_button_image(&ctx->last_widget_state, &win->buffer, bounds, - img, behavior, &style->button, in); -} - -NK_API int -nk_button_symbol_text(struct nk_context *ctx, enum nk_symbol_type symbol, - const char* text, int len, nk_flags align, enum nk_button_behavior behavior) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - - state = nk_widget(&bounds, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - return nk_do_button_text_symbol(&ctx->last_widget_state, &win->buffer, bounds, - symbol, text, len, align, behavior, &style->button, &style->font, in); -} - -NK_API int nk_button_symbol_label(struct nk_context *ctx, enum nk_symbol_type symbol, - const char *label, nk_flags align, enum nk_button_behavior behavior) -{return nk_button_symbol_text(ctx, symbol, label, nk_strlen(label), align, behavior);} - -NK_API int -nk_button_image_text(struct nk_context *ctx, struct nk_image img, - const char *text, int len, nk_flags align, enum nk_button_behavior behavior) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - - state = nk_widget(&bounds, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - return nk_do_button_text_image(&ctx->last_widget_state, &win->buffer, - bounds, img, text, len, align, behavior, &style->button, &style->font, in); -} - -NK_API int nk_button_image_label(struct nk_context *ctx, struct nk_image img, - const char *label, nk_flags align, enum nk_button_behavior behavior) -{return nk_button_image_text(ctx, img, label, nk_strlen(label), align, behavior);} - -/*---------------------------------------------------------------- - * - * SELECTABLE - * - * --------------------------------------------------------------*/ -NK_API int -nk_selectable_text(struct nk_context *ctx, const char *str, int len, - nk_flags align, int *value) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - enum nk_widget_layout_states state; - struct nk_rect bounds; - - NK_ASSERT(ctx); - NK_ASSERT(value); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout || !value) - return 0; - - win = ctx->current; - layout = win->layout; - style = &ctx->style; - state = nk_widget(&bounds, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - return nk_do_selectable(&ctx->last_widget_state, &win->buffer, bounds, - str, len, align, value, &style->selectable, in, &style->font); -} - -NK_API int nk_select_text(struct nk_context *ctx, const char *str, int len, - nk_flags align, int value) -{nk_selectable_text(ctx, str, len, align, &value);return value;} - -NK_API int nk_selectable_label(struct nk_context *ctx, const char *str, nk_flags align, int *value) -{return nk_selectable_text(ctx, str, nk_strlen(str), align, value);} - -NK_API int nk_select_label(struct nk_context *ctx, const char *str, nk_flags align, int value) -{nk_selectable_text(ctx, str, nk_strlen(str), align, &value);return value;} - -/*---------------------------------------------------------------- - * - * CHECKBOX - * - * --------------------------------------------------------------*/ -NK_API int -nk_check_text(struct nk_context *ctx, const char *text, int len, int active) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return active; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - state = nk_widget(&bounds, ctx); - if (!state) return active; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - nk_do_toggle(&ctx->last_widget_state, &win->buffer, bounds, &active, - text, len, NK_TOGGLE_CHECK, &style->checkbox, in, &style->font); - return active; -} - -NK_API unsigned int -nk_check_flags_text(struct nk_context *ctx, const char *text, int len, - unsigned int flags, unsigned int value) -{ - int old_active; - NK_ASSERT(ctx); - NK_ASSERT(text); - if (!ctx || !text) return flags; - old_active = (int)((flags & value) & value); - if (nk_check_text(ctx, text, len, old_active)) - flags |= value; - else flags &= ~value; - return flags; -} - -NK_API int -nk_checkbox_text(struct nk_context *ctx, const char *text, int len, int *active) -{ - int old_val; - NK_ASSERT(ctx); - NK_ASSERT(text); - NK_ASSERT(active); - if (!ctx || !text || !active) return 0; - old_val = *active; - *active = nk_check_text(ctx, text, len, *active); - return old_val != *active; -} - -NK_API int -nk_checkbox_flags_text(struct nk_context *ctx, const char *text, int len, - unsigned int *flags, unsigned int value) -{ - int active; - NK_ASSERT(ctx); - NK_ASSERT(text); - NK_ASSERT(flags); - if (!ctx || !text || !flags) return 0; - active = (int)((*flags & value) & value); - if (nk_checkbox_text(ctx, text, len, &active)) { - if (active) *flags |= value; - else *flags &= ~value; - return 1; - } - return 0; -} - -NK_API int nk_check_label(struct nk_context *ctx, const char *label, int active) -{return nk_check_text(ctx, label, nk_strlen(label), active);} - -NK_API unsigned int nk_check_flags_label(struct nk_context *ctx, const char *label, - unsigned int flags, unsigned int value) -{return nk_check_flags_text(ctx, label, nk_strlen(label), flags, value);} - -NK_API int nk_checkbox_label(struct nk_context *ctx, const char *label, int *active) -{return nk_checkbox_text(ctx, label, nk_strlen(label), active);} - -NK_API int nk_checkbox_flags_label(struct nk_context *ctx, const char *label, - unsigned int *flags, unsigned int value) -{return nk_checkbox_flags_text(ctx, label, nk_strlen(label), flags, value);} - -/*---------------------------------------------------------------- - * - * OPTION - * - * --------------------------------------------------------------*/ -NK_API int -nk_option_text(struct nk_context *ctx, const char *text, int len, int is_active) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return is_active; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - state = nk_widget(&bounds, ctx); - if (!state) return state; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - nk_do_toggle(&ctx->last_widget_state, &win->buffer, bounds, &is_active, - text, len, NK_TOGGLE_OPTION, &style->option, in, &style->font); - return is_active; -} - -NK_API int -nk_radio_text(struct nk_context *ctx, const char *text, int len, int *active) -{ - int old_value; - NK_ASSERT(ctx); - NK_ASSERT(text); - NK_ASSERT(active); - if (!ctx || !text || !active) return 0; - old_value = *active; - *active = nk_option_text(ctx, text, len, old_value); - return old_value != *active; -} - -NK_API int -nk_option_label(struct nk_context *ctx, const char *label, int active) -{return nk_option_text(ctx, label, nk_strlen(label), active);} - -NK_API int -nk_radio_label(struct nk_context *ctx, const char *label, int *active) -{return nk_radio_text(ctx, label, nk_strlen(label), active);} - -/*---------------------------------------------------------------- - * - * SLIDER - * - * --------------------------------------------------------------*/ -NK_API int -nk_slider_float(struct nk_context *ctx, float min_value, float *value, float max_value, - float value_step) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_input *in; - const struct nk_style *style; - - int ret = 0; - float old_value; - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - NK_ASSERT(value); - if (!ctx || !ctx->current || !ctx->current->layout || !value) - return ret; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - state = nk_widget(&bounds, ctx); - if (!state) return ret; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - - old_value = *value; - *value = nk_do_slider(&ctx->last_widget_state, &win->buffer, bounds, min_value, - old_value, max_value, value_step, &style->slider, in, &style->font); - return (old_value > *value || old_value < *value); -} - -NK_API float -nk_slide_float(struct nk_context *ctx, float min, float val, float max, float step) -{ - nk_slider_float(ctx, min, &val, max, step); return val; -} - -NK_API int -nk_slide_int(struct nk_context *ctx, int min, int val, int max, int step) -{ - float value = (float)val; - nk_slider_float(ctx, (float)min, &value, (float)max, (float)step); - return (int)value; -} - -NK_API int -nk_slider_int(struct nk_context *ctx, int min, int *val, int max, int step) -{ - int ret; - float value = (float)*val; - ret = nk_slider_float(ctx, (float)min, &value, (float)max, (float)step); - *val = (int)value; - return ret; -} - -/*---------------------------------------------------------------- - * - * PROGRESSBAR - * - * --------------------------------------------------------------*/ -NK_API int -nk_progress(struct nk_context *ctx, nk_size *cur, nk_size max, int is_modifyable) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_style *style; - const struct nk_input *in; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - nk_size old_value; - - NK_ASSERT(ctx); - NK_ASSERT(cur); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout || !cur) - return 0; - - win = ctx->current; - style = &ctx->style; - layout = win->layout; - state = nk_widget(&bounds, ctx); - if (!state) return 0; - - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - old_value = *cur; - *cur = nk_do_progress(&ctx->last_widget_state, &win->buffer, bounds, - *cur, max, is_modifyable, &style->progress, in); - return (*cur != old_value); -} - -NK_API nk_size nk_prog(struct nk_context *ctx, nk_size cur, nk_size max, int modifyable) -{nk_progress(ctx, &cur, max, modifyable);return cur;} - -/*---------------------------------------------------------------- - * - * EDIT - * - * --------------------------------------------------------------*/ -NK_API nk_flags -nk_edit_string(struct nk_context *ctx, nk_flags flags, - char *memory, int *len, int max, nk_filter filter) -{ - nk_hash hash; - nk_flags state; - struct nk_text_edit *edit; - struct nk_window *win; - - NK_ASSERT(ctx); - NK_ASSERT(memory); - NK_ASSERT(len); - if (!ctx || !memory || !len) - return 0; - - filter = (!filter) ? nk_filter_default: filter; - win = ctx->current; - hash = win->edit.seq; - edit = &ctx->text_edit; - nk_textedit_clear_state(&ctx->text_edit, (flags & NK_EDIT_MULTILINE)? - NK_TEXT_EDIT_MULTI_LINE: NK_TEXT_EDIT_SINGLE_LINE, filter); - if (win->edit.active && hash == win->edit.name) { - if (flags & NK_EDIT_NO_CURSOR) - edit->cursor = nk_utf_len(memory, *len); - else edit->cursor = win->edit.cursor; - if (!(flags & NK_EDIT_SELECTABLE)) { - edit->select_start = win->edit.cursor; - edit->select_end = win->edit.cursor; - } else { - edit->select_start = win->edit.sel_start; - edit->select_end = win->edit.sel_end; - } - edit->insert_mode = win->edit.insert_mode; - edit->scrollbar.x = (float)win->edit.scrollbar.x; - edit->scrollbar.y = (float)win->edit.scrollbar.y; - edit->active = nk_true; - } else edit->active = nk_false; - - max = NK_MAX(1, max); - *len = NK_MIN(*len, max-1); - nk_str_init_fixed(&edit->string, memory, (nk_size)max); - edit->string.buffer.allocated = (nk_size)*len; - edit->string.len = nk_utf_len(memory, *len); - state = nk_edit_buffer(ctx, flags, edit, filter); - *len = (int)edit->string.buffer.allocated; - - if (edit->active) { - win->edit.cursor = edit->cursor; - win->edit.sel_start = edit->select_start; - win->edit.sel_end = edit->select_end; - win->edit.insert_mode = edit->insert_mode; - win->edit.scrollbar.x = (unsigned short)edit->scrollbar.x; - win->edit.scrollbar.y = (unsigned short)edit->scrollbar.y; - } - return state; -} - -NK_API nk_flags -nk_edit_buffer(struct nk_context *ctx, nk_flags flags, - struct nk_text_edit *edit, nk_filter filter) -{ - struct nk_window *win; - struct nk_style *style; - struct nk_input *in; - - enum nk_widget_layout_states state; - struct nk_rect bounds; - - nk_flags ret_flags = 0; - unsigned char prev_state; - nk_hash hash; - - /* make sure correct values */ - NK_ASSERT(ctx); - NK_ASSERT(edit); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - state = nk_widget(&bounds, ctx); - if (!state) return state; - in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - - /* check if edit is currently hot item */ - hash = win->edit.seq++; - if (win->edit.active && hash == win->edit.name) { - if (flags & NK_EDIT_NO_CURSOR) - edit->cursor = edit->string.len; - if (!(flags & NK_EDIT_SELECTABLE)) { - edit->select_start = edit->cursor; - edit->select_end = edit->cursor; - } - } - - filter = (!filter) ? nk_filter_default: filter; - prev_state = (unsigned char)edit->active; - in = (flags & NK_EDIT_READ_ONLY) ? 0: in; - ret_flags = nk_do_edit(&ctx->last_widget_state, &win->buffer, bounds, flags, - filter, edit, &style->edit, in, &style->font); - - if (edit->active && prev_state != edit->active) { - /* current edit is now hot */ - win->edit.active = nk_true; - win->edit.name = hash; - } else if (prev_state && !edit->active) { - /* current edit is now cold */ - win->edit.active = nk_false; - } - return ret_flags; -} - -/*---------------------------------------------------------------- - * - * PROPERTY - * - * --------------------------------------------------------------*/ -NK_INTERN float -nk_property(struct nk_context *ctx, const char *name, float min, float val, - float max, float step, float inc_per_pixel, const enum nk_property_filter filter) -{ - struct nk_window *win; - struct nk_panel *layout; - struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states s; - - int *state = 0; - nk_hash hash = 0; - char *buffer = 0; - int *len = 0; - int *cursor = 0; - int old_state; - - char dummy_buffer[NK_MAX_NUMBER_BUFFER]; - int dummy_state = NK_PROPERTY_DEFAULT; - int dummy_length = 0; - int dummy_cursor = 0; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return val; - - win = ctx->current; - layout = win->layout; - style = &ctx->style; - s = nk_widget(&bounds, ctx); - if (!s) return val; - in = (s == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - - /* calculate hash from name */ - if (name[0] == '#') { - hash = nk_murmur_hash(name, (int)nk_strlen(name), win->property.seq++); - name++; /* special number hash */ - } else hash = nk_murmur_hash(name, (int)nk_strlen(name), 42); - - /* check if property is currently hot item */ - if (win->property.active && hash == win->property.name) { - buffer = win->property.buffer; - len = &win->property.length; - cursor = &win->property.cursor; - state = &win->property.state; - } else { - buffer = dummy_buffer; - len = &dummy_length; - cursor = &dummy_cursor; - state = &dummy_state; - } - - /* execute property widget */ - old_state = *state; - val = nk_do_property(&ctx->last_widget_state, &win->buffer, bounds, name, - min, val, max, step, inc_per_pixel, buffer, len, state, cursor, - &style->property, filter, in, &style->font, &ctx->text_edit); - - if (in && *state != NK_PROPERTY_DEFAULT && !win->property.active) { - /* current property is now hot */ - win->property.active = 1; - NK_MEMCPY(win->property.buffer, buffer, (nk_size)*len); - win->property.length = *len; - win->property.cursor = *cursor; - win->property.state = *state; - win->property.name = hash; - } - - /* check if previously active property is now inactive */ - if (*state == NK_PROPERTY_DEFAULT && old_state != NK_PROPERTY_DEFAULT) - win->property.active = 0; - return val; -} - -NK_API void -nk_property_float(struct nk_context *ctx, const char *name, - float min, float *val, float max, float step, float inc_per_pixel) -{ - NK_ASSERT(ctx); - NK_ASSERT(name); - NK_ASSERT(val); - if (!ctx || !ctx->current || !name || !val) return; - *val = nk_property(ctx, name, min, *val, max, step, inc_per_pixel, NK_FILTER_FLOAT); -} - -NK_API void -nk_property_int(struct nk_context *ctx, const char *name, - int min, int *val, int max, int step, int inc_per_pixel) -{ - float value; - NK_ASSERT(ctx); - NK_ASSERT(name); - NK_ASSERT(val); - if (!ctx || !ctx->current || !name || !val) return; - value = nk_property(ctx, name, (float)min, (float)*val, (float)max, (float)step, - (float)inc_per_pixel, NK_FILTER_FLOAT); - *val = (int)value; -} - -NK_API float -nk_propertyf(struct nk_context *ctx, const char *name, float min, - float val, float max, float step, float inc_per_pixel) -{ - NK_ASSERT(ctx); - NK_ASSERT(name); - if (!ctx || !ctx->current || !name) return val; - return nk_property(ctx, name, min, val, max, step, inc_per_pixel, NK_FILTER_FLOAT); -} - -NK_API int -nk_propertyi(struct nk_context *ctx, const char *name, int min, int val, - int max, int step, int inc_per_pixel) -{ - float value; - NK_ASSERT(ctx); - NK_ASSERT(name); - if (!ctx || !ctx->current || !name) return val; - value = nk_property(ctx, name, (float)min, (float)val, (float)max, (float)step, - (float)inc_per_pixel, NK_FILTER_FLOAT); - return (int)value; -} - -/*---------------------------------------------------------------- - * - * COLOR PICKER - * - * --------------------------------------------------------------*/ -NK_API int -nk_color_pick(struct nk_context * ctx, struct nk_color *color, - enum nk_color_format fmt) -{ - struct nk_window *win; - struct nk_panel *layout; - const struct nk_style *config; - const struct nk_input *in; - - nk_flags ws; - enum nk_widget_layout_states state; - struct nk_rect bounds; - - NK_ASSERT(ctx); - NK_ASSERT(color); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout || !color) - return 0; - - win = ctx->current; - config = &ctx->style; - layout = win->layout; - state = nk_widget(&bounds, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - return nk_do_color_picker(&ws, &win->buffer, color, fmt, bounds, - nk_vec2(0,0), in, &config->font); -} - -NK_API struct nk_color -nk_color_picker(struct nk_context *ctx, struct nk_color color, - enum nk_color_format fmt) -{ - nk_color_pick(ctx, &color, fmt); - return color; -} - -/* ------------------------------------------------------------- - * - * CHART - * - * --------------------------------------------------------------*/ -NK_API int -nk_chart_begin(struct nk_context *ctx, const enum nk_chart_type type, - int count, float min_value, float max_value) -{ - struct nk_window *win; - struct nk_chart *chart; - const struct nk_style *config; - - const struct nk_style_item *background; - struct nk_rect bounds = {0, 0, 0, 0}; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) return 0; - if (!nk_widget(&bounds, ctx)) { - chart = &ctx->current->layout->chart; - chart->style = 0; - nk_zero(chart, sizeof(*chart)); - return 0; - } - - win = ctx->current; - config = &ctx->style; - chart = &win->layout->chart; - - /* setup basic generic chart */ - nk_zero(chart, sizeof(*chart)); - chart->type = type; - chart->style = (type == NK_CHART_LINES) ? &config->line_chart: &config->column_chart; - chart->index = 0; - chart->count = count; - chart->min = NK_MIN(min_value, max_value); - chart->max = NK_MAX(min_value, max_value); - chart->range = chart->max - chart->min; - chart->x = bounds.x + chart->style->padding.x; - chart->y = bounds.y + chart->style->padding.y; - chart->w = bounds.w - 2 * chart->style->padding.x; - chart->h = bounds.h - 2 * chart->style->padding.y; - chart->w = NK_MAX(chart->w, 2 * chart->style->padding.x); - chart->h = NK_MAX(chart->h, 2 * chart->style->padding.y); - chart->last.x = 0; chart->last.y = 0; - - /* draw chart background */ - background = &chart->style->background; - if (background->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(&win->buffer, bounds, &background->data.image); - } else { - nk_fill_rect(&win->buffer, bounds, chart->style->rounding, chart->style->border_color); - nk_fill_rect(&win->buffer, nk_shrink_rect(bounds, chart->style->border), - chart->style->rounding, chart->style->border_color); - } - return 1; -} - -NK_INTERN nk_flags -nk_chart_push_line(struct nk_context *ctx, struct nk_window *win, - struct nk_chart *g, float value) -{ - struct nk_panel *layout = win->layout; - const struct nk_input *i = &ctx->input; - struct nk_command_buffer *out = &win->buffer; - - nk_flags ret = 0; - struct nk_vec2 cur; - struct nk_rect bounds; - struct nk_color color; - float step; - float range; - float ratio; - - step = g->w / (float)g->count; - range = g->max - g->min; - ratio = (value - g->min) / range; - - if (g->index == 0) { - /* first data point does not have a connection */ - g->last.x = g->x; - g->last.y = (g->y + g->h) - ratio * (float)g->h; - - bounds.x = g->last.x - 2; - bounds.y = g->last.y - 2; - bounds.w = 4; - bounds.h = 4; - - color = g->style->color; - if (!(layout->flags & NK_WINDOW_ROM) && - NK_INBOX(i->mouse.pos.x,i->mouse.pos.y, g->last.x-3, g->last.y-3, 6, 6)){ - ret = nk_input_is_mouse_hovering_rect(i, bounds) ? NK_CHART_HOVERING : 0; - ret |= (i->mouse.buttons[NK_BUTTON_LEFT].down && - i->mouse.buttons[NK_BUTTON_LEFT].clicked) ? NK_CHART_CLICKED: 0; - color = g->style->selected_color; - } - nk_fill_rect(out, bounds, 0, color); - g->index++; - return ret; - } - - /* draw a line between the last data point and the new one */ - cur.x = g->x + (float)(step * (float)g->index); - cur.y = (g->y + g->h) - (ratio * (float)g->h); - nk_stroke_line(out, g->last.x, g->last.y, cur.x, cur.y, 1.0f, g->style->color); - - bounds.x = cur.x - 3; - bounds.y = cur.y - 3; - bounds.w = 6; - bounds.h = 6; - - /* user selection of current data point */ - color = g->style->color; - if (!(layout->flags & NK_WINDOW_ROM)) { - if (nk_input_is_mouse_hovering_rect(i, bounds)) { - ret = NK_CHART_HOVERING; - ret |= (!i->mouse.buttons[NK_BUTTON_LEFT].down && - i->mouse.buttons[NK_BUTTON_LEFT].clicked) ? NK_CHART_CLICKED: 0; - color = g->style->selected_color; - } - } - nk_fill_rect(out, nk_rect(cur.x - 2, cur.y - 2, 4, 4), 0, color); - - /* save current data point position */ - g->last.x = cur.x; - g->last.y = cur.y; - g->index++; - return ret; -} - -NK_INTERN nk_flags -nk_chart_push_column(const struct nk_context *ctx, struct nk_window *win, - struct nk_chart *chart, float value) -{ - struct nk_command_buffer *out = &win->buffer; - const struct nk_input *in = &ctx->input; - struct nk_panel *layout = win->layout; - - float ratio; - nk_flags ret = 0; - struct nk_color color; - struct nk_rect item = {0,0,0,0}; - - if (chart->index >= chart->count) - return nk_false; - if (chart->count) { - float padding = (float)(chart->count-1); - item.w = (chart->w - padding) / (float)(chart->count); - } - - /* calculate bounds of the current bar chart entry */ - color = chart->style->color; - item.h = chart->h * NK_ABS((value/chart->range)); - if (value >= 0) { - ratio = (value + NK_ABS(chart->min)) / NK_ABS(chart->range); - item.y = (chart->y + chart->h) - chart->h * ratio; - } else { - ratio = (value - chart->max) / chart->range; - item.y = chart->y + (chart->h * NK_ABS(ratio)) - item.h; - } - item.x = chart->x + ((float)chart->index * item.w); - item.x = item.x + ((float)chart->index); - - /* user chart bar selection */ - if (!(layout->flags & NK_WINDOW_ROM) && - NK_INBOX(in->mouse.pos.x,in->mouse.pos.y,item.x,item.y,item.w,item.h)) { - ret = NK_CHART_HOVERING; - ret |= (!in->mouse.buttons[NK_BUTTON_LEFT].down && - in->mouse.buttons[NK_BUTTON_LEFT].clicked) ? NK_CHART_CLICKED: 0; - color = chart->style->selected_color; - } - nk_fill_rect(out, item, 0, color); - chart->index++; - return ret; -} - -NK_API nk_flags -nk_chart_push(struct nk_context *ctx, float value) -{ - nk_flags flags; - struct nk_window *win; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current || !ctx->current->layout->chart.style) - return nk_false; - - win = ctx->current; - switch (win->layout->chart.type) { - case NK_CHART_LINES: - flags = nk_chart_push_line(ctx, win, &win->layout->chart, value); break; - case NK_CHART_COLUMN: - flags = nk_chart_push_column(ctx, win, &win->layout->chart, value); break; - default: - case NK_CHART_MAX: - flags = 0; - } - return flags; -} - -NK_API void -nk_chart_end(struct nk_context *ctx) -{ - struct nk_window *win; - struct nk_chart *chart; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return; - - win = ctx->current; - chart = &win->layout->chart; - chart->type = NK_CHART_MAX; - chart->index = 0; - chart->count = 0; - chart->min = 0; - chart->max = 0; - chart->x = 0; - chart->y = 0; - chart->w = 0; - chart->h = 0; - return; -} - -/* ------------------------------------------------------------- - * - * GROUP - * - * --------------------------------------------------------------*/ -NK_API int -nk_group_begin(struct nk_context *ctx, struct nk_panel *layout, const char *title, - nk_flags flags) -{ - struct nk_window *win; - const struct nk_rect *c; - union {struct nk_scroll *s; nk_uint *i;} value; - struct nk_window panel; - struct nk_rect bounds; - nk_hash title_hash; - int title_len; - - NK_ASSERT(ctx); - NK_ASSERT(title); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout || !title) - return 0; - - /* allocate space for the group panel inside the panel */ - win = ctx->current; - c = &win->layout->clip; - nk_panel_alloc_space(&bounds, ctx); - nk_zero(layout, sizeof(*layout)); - - /* find group persistent scrollbar value */ - title_len = (int)nk_strlen(title); - title_hash = nk_murmur_hash(title, (int)title_len, NK_WINDOW_SUB); - value.i = nk_find_value(win, title_hash); - if (!value.i) { - value.i = nk_add_value(ctx, win, title_hash, 0); - *value.i = 0; - } - if (!NK_INTERSECT(c->x, c->y, c->w, c->h, bounds.x, bounds.y, bounds.w, bounds.h) && - !(flags & NK_WINDOW_MOVABLE)) { - return 0; - } - - flags |= NK_WINDOW_SUB; - if (win->flags & NK_WINDOW_ROM) - flags |= NK_WINDOW_ROM; - - /* initialize a fake window to create the layout from */ - nk_zero(&panel, sizeof(panel)); - panel.bounds = bounds; - panel.flags = flags; - panel.scrollbar.x = (unsigned short)value.s->x; - panel.scrollbar.y = (unsigned short)value.s->y; - panel.buffer = win->buffer; - panel.layout = layout; - ctx->current = &panel; - nk_panel_begin(ctx, (flags & NK_WINDOW_TITLE) ? title: 0); - - win->buffer = panel.buffer; - win->buffer.clip = layout->clip; - layout->offset = value.s; - layout->parent = win->layout; - win->layout = layout; - ctx->current = win; - return 1; -} - -NK_API void -nk_group_end(struct nk_context *ctx) -{ - struct nk_window *win; - struct nk_panel *parent; - struct nk_panel *g; - - struct nk_rect clip; - struct nk_window pan; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return; - - /* make sure nk_group_begin was called correctly */ - NK_ASSERT(ctx->current); - win = ctx->current; - NK_ASSERT(win->layout); - g = win->layout; - NK_ASSERT(g->parent); - parent = g->parent; - - /* dummy window */ - nk_zero(&pan, sizeof(pan)); - pan.bounds = g->bounds; - pan.scrollbar.x = (unsigned short)g->offset->x; - pan.scrollbar.y = (unsigned short)g->offset->y; - pan.flags = g->flags|NK_WINDOW_SUB; - pan.buffer = win->buffer; - pan.layout = g; - ctx->current = &pan; - - /* make sure group has correct clipping rectangle */ - nk_unify(&clip, &parent->clip, - g->bounds.x, g->clip.y - g->header_h, - g->bounds.x + g->bounds.w+1, - g->bounds.y + g->bounds.h + 1); - nk_push_scissor(&pan.buffer, clip); - nk_end(ctx); - - win->buffer = pan.buffer; - nk_push_scissor(&win->buffer, parent->clip); - ctx->current = win; - win->layout = parent; - win->bounds = parent->bounds; - if (win->flags & NK_WINDOW_BORDER) - win->bounds = nk_shrink_rect(win->bounds, -win->layout->border); - return; -} - -/* -------------------------------------------------------------- - * - * POPUP - * - * --------------------------------------------------------------*/ -NK_API int -nk_popup_begin(struct nk_context *ctx, struct nk_panel *layout, - enum nk_popup_type type, const char *title, nk_flags flags, struct nk_rect rect) -{ - struct nk_window *popup; - struct nk_window *win; - - int title_len; - nk_hash title_hash; - nk_size allocated; - - NK_ASSERT(ctx); - NK_ASSERT(title); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - NK_ASSERT(!(win->flags & NK_WINDOW_POPUP)); - title_len = (int)nk_strlen(title); - title_hash = nk_murmur_hash(title, (int)title_len, NK_WINDOW_POPUP); - - popup = win->popup.win; - if (!popup) { - popup = (struct nk_window*)nk_create_window(ctx); - win->popup.win = popup; - win->popup.active = 0; - } - - /* make sure we have to correct popup */ - if (win->popup.name != title_hash) { - if (!win->popup.active) { - nk_zero(popup, sizeof(*popup)); - win->popup.name = title_hash; - win->popup.active = 1; - } else return 0; - } - - /* popup position is local to window */ - ctx->current = popup; - rect.x += win->layout->clip.x; - rect.y += win->layout->clip.y; - - /* setup popup data */ - popup->parent = win; - popup->bounds = rect; - popup->seq = ctx->seq; - popup->layout = layout; - popup->flags = flags; - popup->flags |= NK_WINDOW_BORDER|NK_WINDOW_SUB|NK_WINDOW_POPUP; - if (type == NK_POPUP_DYNAMIC) - popup->flags |= NK_WINDOW_DYNAMIC; - - popup->buffer = win->buffer; - nk_start_popup(ctx, win); - allocated = ctx->memory.allocated; - nk_push_scissor(&popup->buffer, nk_null_rect); - - if (nk_panel_begin(ctx, title)) { - /* popup is running therefore invalidate parent window */ - win->layout->flags |= NK_WINDOW_ROM; - win->layout->flags &= ~(nk_flags)NK_WINDOW_REMOVE_ROM; - win->popup.active = 1; - layout->offset = &popup->scrollbar; - return 1; - } else { - /* popup was closed/is invalid so cleanup */ - win->layout->flags |= NK_WINDOW_REMOVE_ROM; - win->layout->popup_buffer.active = 0; - win->popup.active = 0; - ctx->memory.allocated = allocated; - ctx->current = win; - return 0; - } -} - -NK_INTERN int -nk_nonblock_begin(struct nk_panel *layout, struct nk_context *ctx, - nk_flags flags, struct nk_rect body, struct nk_rect header) -{ - struct nk_window *popup; - struct nk_window *win; - int is_active = nk_true; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - /* popups cannot have popups */ - win = ctx->current; - NK_ASSERT(!(win->flags & NK_WINDOW_POPUP)); - popup = win->popup.win; - if (!popup) { - /* create window for nonblocking popup */ - popup = (struct nk_window*)nk_create_window(ctx); - win->popup.win = popup; - nk_command_buffer_init(&popup->buffer, &ctx->memory, NK_CLIPPING_ON); - } else { - /* check if user clicked outside the popup and close if so */ - int in_panel, in_body, in_header; - in_panel = nk_input_is_mouse_click_in_rect(&ctx->input, NK_BUTTON_LEFT, win->layout->bounds); - in_body = nk_input_is_mouse_click_in_rect(&ctx->input, NK_BUTTON_LEFT, body); - in_header = nk_input_is_mouse_click_in_rect(&ctx->input, NK_BUTTON_LEFT, header); - if (!in_body && in_panel && !in_header) - is_active = nk_false; - } - - if (!is_active) { - win->layout->flags |= NK_WINDOW_REMOVE_ROM; - return is_active; - } - - popup->bounds = body; - popup->parent = win; - popup->layout = layout; - popup->flags = flags; - popup->flags |= NK_WINDOW_BORDER|NK_WINDOW_POPUP; - popup->flags |= NK_WINDOW_DYNAMIC|NK_WINDOW_SUB; - popup->flags |= NK_WINDOW_NONBLOCK; - popup->seq = ctx->seq; - win->popup.active = 1; - - nk_start_popup(ctx, win); - popup->buffer = win->buffer; - nk_push_scissor(&popup->buffer, nk_null_rect); - ctx->current = popup; - - nk_panel_begin(ctx, 0); - win->buffer = popup->buffer; - win->layout->flags |= NK_WINDOW_ROM; - layout->offset = &popup->scrollbar; - return is_active; -} - -NK_API void -nk_popup_close(struct nk_context *ctx) -{ - struct nk_window *popup; - NK_ASSERT(ctx); - if (!ctx || !ctx->current) return; - - popup = ctx->current; - NK_ASSERT(popup->parent); - NK_ASSERT(popup->flags & NK_WINDOW_POPUP); - popup->flags |= NK_WINDOW_HIDDEN; -} - -NK_API void -nk_popup_end(struct nk_context *ctx) -{ - struct nk_window *win; - struct nk_window *popup; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - popup = ctx->current; - NK_ASSERT(popup->parent); - win = popup->parent; - if (popup->flags & NK_WINDOW_HIDDEN) { - win->layout->flags |= NK_WINDOW_REMOVE_ROM; - win->popup.active = 0; - } - nk_push_scissor(&popup->buffer, nk_null_rect); - nk_end(ctx); - - win->buffer = popup->buffer; - nk_finish_popup(ctx, win); - ctx->current = win; - nk_push_scissor(&win->buffer, win->layout->clip); -} -/* ------------------------------------------------------------- - * - * TOOLTIP - * - * -------------------------------------------------------------- */ -NK_API int -nk_tooltip_begin(struct nk_context *ctx, struct nk_panel *layout, float width) -{ - struct nk_window *win; - const struct nk_input *in; - struct nk_rect bounds; - int ret; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - /* make sure that no nonblocking popup is currently active */ - win = ctx->current; - in = &ctx->input; - if (win->popup.win && (win->popup.win->flags & NK_WINDOW_NONBLOCK)) - return 0; - - bounds.w = width; - bounds.h = nk_null_rect.h; - bounds.x = (in->mouse.pos.x + 1) - win->layout->clip.x; - bounds.y = (in->mouse.pos.y + 1) - win->layout->clip.y; - - ret = nk_popup_begin(ctx, layout, NK_POPUP_DYNAMIC, - "__##Tooltip##__", NK_WINDOW_NO_SCROLLBAR|NK_WINDOW_TOOLTIP, bounds); - if (ret) win->layout->flags &= ~(nk_flags)NK_WINDOW_ROM; - return ret; -} - -NK_API void -nk_tooltip_end(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - if (!ctx || !ctx->current) - return; - nk_popup_close(ctx); - nk_popup_end(ctx); -} - -NK_API void -nk_tooltip(struct nk_context *ctx, const char *text) -{ - const struct nk_style *style; - struct nk_vec2 padding; - struct nk_panel layout; - - int text_len; - float text_width; - float text_height; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - NK_ASSERT(text); - if (!ctx || !ctx->current || !ctx->current->layout || !text) - return; - - /* fetch configuration data */ - style = &ctx->style; - padding = style->window.padding; - - /* calculate size of the text and tooltip */ - text_len = nk_strlen(text); - text_width = style->font.width(style->font.userdata, - style->font.height, text, text_len); - text_width += (4 * padding.x); - text_height = (style->font.height + 2 * padding.y); - - /* execute tooltip and fill with text */ - if (nk_tooltip_begin(ctx, &layout, (float)text_width)) { - nk_layout_row_dynamic(ctx, (float)text_height, 1); - nk_text(ctx, text, text_len, NK_TEXT_LEFT); - nk_tooltip_end(ctx); - } -} -/* ------------------------------------------------------------- - * - * CONTEXTUAL - * - * -------------------------------------------------------------- */ -NK_API int -nk_contextual_begin(struct nk_context *ctx, struct nk_panel *layout, - nk_flags flags, struct nk_vec2 size, struct nk_rect trigger_bounds) -{ - struct nk_window *win; - struct nk_window *popup; - struct nk_rect body; - - NK_STORAGE const struct nk_rect null_rect = {0,0,0,0}; - int is_clicked = 0; - int is_active = 0; - int is_open = 0; - int ret = 0; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - ++win->popup.con_count; - - /* check if currently active contextual is active */ - popup = win->popup.win; - is_open = (popup && (popup->flags & NK_WINDOW_CONTEXTUAL) && win->popup.type == NK_WINDOW_CONTEXTUAL); - is_clicked = nk_input_mouse_clicked(&ctx->input, NK_BUTTON_RIGHT, trigger_bounds); - if (win->popup.active_con && win->popup.con_count != win->popup.active_con) - return 0; - if ((is_clicked && is_open && !is_active) || (!is_open && !is_active && !is_clicked)) - return 0; - - /* calculate contextual position on click */ - win->popup.active_con = win->popup.con_count; - if (is_clicked) { - body.x = ctx->input.mouse.pos.x; - body.y = ctx->input.mouse.pos.y; - } else { - body.x = popup->bounds.x; - body.y = popup->bounds.y; - } - body.w = size.x; - body.h = size.y; - - /* start nonblocking contextual popup */ - ret = nk_nonblock_begin(layout, ctx, - flags|NK_WINDOW_CONTEXTUAL|NK_WINDOW_NO_SCROLLBAR, body, null_rect); - if (ret) win->popup.type = NK_WINDOW_CONTEXTUAL; - else { - win->popup.active_con = 0; - win->popup.win->flags = 0; - } - return ret; -} - -NK_API int -nk_contextual_item_text(struct nk_context *ctx, const char *text, int len, - nk_flags alignment) -{ - struct nk_window *win; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - state = nk_widget_fitting(&bounds, ctx, style->contextual_button.padding); - if (!state) return nk_false; - - in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - if (nk_do_button_text(&ctx->last_widget_state, &win->buffer, bounds, - text, len, alignment, NK_BUTTON_DEFAULT, &style->contextual_button, in, &style->font)) { - nk_contextual_close(ctx); - return nk_true; - } - return nk_false; -} - -NK_API int nk_contextual_item_label(struct nk_context *ctx, const char *label, nk_flags align) -{return nk_contextual_item_text(ctx, label, nk_strlen(label), align);} - -NK_API int -nk_contextual_item_image_text(struct nk_context *ctx, struct nk_image img, - const char *text, int len, nk_flags align) -{ - struct nk_window *win; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - state = nk_widget_fitting(&bounds, ctx, style->contextual_button.padding); - if (!state) return nk_false; - - in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - if (nk_do_button_text_image(&ctx->last_widget_state, &win->buffer, bounds, - img, text, len, align, NK_BUTTON_DEFAULT, &style->contextual_button, &style->font, in)){ - nk_contextual_close(ctx); - return nk_true; - } - return nk_false; -} - -NK_API int nk_contextual_item_image_label(struct nk_context *ctx, struct nk_image img, - const char *label, nk_flags align) -{return nk_contextual_item_image_text(ctx, img, label, nk_strlen(label), align);} - -NK_API int -nk_contextual_item_symbol_text(struct nk_context *ctx, enum nk_symbol_type symbol, - const char *text, int len, nk_flags align) -{ - struct nk_window *win; - const struct nk_input *in; - const struct nk_style *style; - - struct nk_rect bounds; - enum nk_widget_layout_states state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - state = nk_widget_fitting(&bounds, ctx, style->contextual_button.padding); - if (!state) return nk_false; - - in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - if (nk_do_button_text_symbol(&ctx->last_widget_state, &win->buffer, bounds, - symbol, text, len, align, NK_BUTTON_DEFAULT, &style->contextual_button, &style->font, in)) { - nk_contextual_close(ctx); - return nk_true; - } - return nk_false; -} - -NK_API int nk_contextual_item_symbol_label(struct nk_context *ctx, enum nk_symbol_type symbol, - const char *text, nk_flags align) -{return nk_contextual_item_symbol_text(ctx, symbol, text, nk_strlen(text), align);} - -NK_API void -nk_contextual_close(struct nk_context *ctx) -{ - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return; - - if (!ctx->current) - return; - nk_popup_close(ctx); -} - -NK_API void -nk_contextual_end(struct nk_context *ctx) -{ - struct nk_window *popup; - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - popup = ctx->current; - NK_ASSERT(popup->parent); - if (popup->flags & NK_WINDOW_HIDDEN) - popup->seq = 0; - nk_popup_end(ctx); - return; -} -/* ------------------------------------------------------------- - * - * COMBO - * - * --------------------------------------------------------------*/ -NK_INTERN int -nk_combo_begin(struct nk_panel *layout, struct nk_context *ctx, struct nk_window *win, - int height, int is_clicked, struct nk_rect header) -{ - struct nk_window *popup; - int is_open = 0; - int is_active = 0; - struct nk_rect body; - nk_hash hash; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - popup = win->popup.win; - body.x = header.x; - body.w = header.w; - body.y = header.y + header.h-1; - body.h = (float)height; - - hash = win->popup.combo_count++; - is_open = (popup && (popup->flags & NK_WINDOW_COMBO)); - is_active = (popup && (win->popup.name == hash) && win->popup.type == NK_WINDOW_COMBO); - if ((is_clicked && is_open && !is_active) || (is_open && !is_active) || - (!is_open && !is_active && !is_clicked)) return 0; - if (!nk_nonblock_begin(layout, ctx, NK_WINDOW_COMBO, - body, nk_rect(0,0,0,0))) return 0; - - win->popup.type = NK_WINDOW_COMBO; - win->popup.name = hash; - return 1; -} - -NK_API int -nk_combo_begin_text(struct nk_context *ctx, struct nk_panel *layout, - const char *selected, int len, int height) -{ - const struct nk_input *in; - struct nk_window *win; - struct nk_style *style; - - enum nk_widget_layout_states s; - int is_active = nk_false; - struct nk_rect header; - - const struct nk_style_item *background; - struct nk_text text; - - NK_ASSERT(ctx); - NK_ASSERT(selected); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout || !selected) - return 0; - - win = ctx->current; - style = &ctx->style; - s = nk_widget(&header, ctx); - if (s == NK_WIDGET_INVALID) - return 0; - - in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input; - if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT)) - is_active = nk_true; - - /* draw combo box header background and border */ - if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVE) { - background = &style->combo.active; - text.text = style->combo.label_active; - } else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) { - background = &style->combo.hover; - text.text = style->combo.label_hover; - } else { - background = &style->combo.normal; - text.text = style->combo.label_normal; - } - if (background->type == NK_STYLE_ITEM_IMAGE) { - text.background = nk_rgba(0,0,0,0); - nk_draw_image(&win->buffer, header, &background->data.image); - } else { - text.background = background->data.color; - nk_fill_rect(&win->buffer, header, style->combo.rounding, style->combo.border_color); - nk_fill_rect(&win->buffer, nk_shrink_rect(header, 1), style->combo.rounding, - background->data.color); - } - { - /* print currently selected text item */ - struct nk_rect label; - struct nk_rect button; - struct nk_rect content; - - enum nk_symbol_type sym; - if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) - sym = style->combo.sym_hover; - else if (is_active) - sym = style->combo.sym_active; - else sym = style->combo.sym_normal; - - /* calculate button */ - button.w = header.h - 2 * style->combo.button_padding.y; - button.x = (header.x + header.w - header.h) - style->combo.button_padding.x; - button.y = header.y + style->combo.button_padding.y; - button.h = button.w; - - content.x = button.x + style->combo.button.padding.x; - content.y = button.y + style->combo.button.padding.y; - content.w = button.w - 2 * style->combo.button.padding.x; - content.h = button.h - 2 * style->combo.button.padding.y; - - /* draw selected label */ - text.padding = nk_vec2(0,0); - label.x = header.x + style->combo.content_padding.x; - label.y = header.y + style->combo.content_padding.y; - label.w = button.x - (style->combo.content_padding.x + style->combo.spacing.x) - label.x;; - label.h = header.h - 2 * style->combo.content_padding.y; - nk_widget_text(&win->buffer, label, selected, len, &text, - NK_TEXT_LEFT, &ctx->style.font); - - /* draw open/close button */ - nk_draw_button_symbol(&win->buffer, &button, &content, ctx->last_widget_state, - &ctx->style.combo.button, sym, &style->font); - } - return nk_combo_begin(layout, ctx, win, height, is_active, header); -} - -NK_API int nk_combo_begin_label(struct nk_context *ctx, struct nk_panel *layout, - const char *selected, int max_height) -{return nk_combo_begin_text(ctx, layout, selected, nk_strlen(selected), max_height);} - -NK_API int -nk_combo_begin_color(struct nk_context *ctx, struct nk_panel *layout, - struct nk_color color, int height) -{ - struct nk_window *win; - struct nk_style *style; - const struct nk_input *in; - - struct nk_rect header; - int is_active = nk_false; - enum nk_widget_layout_states s; - const struct nk_style_item *background; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - s = nk_widget(&header, ctx); - if (s == NK_WIDGET_INVALID) - return 0; - - in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input; - if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT)) - is_active = nk_true; - - /* draw combo box header background and border */ - if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVE) - background = &style->combo.active; - else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) - background = &style->combo.hover; - else background = &style->combo.normal; - - if (background->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(&win->buffer, header, &background->data.image); - } else { - nk_fill_rect(&win->buffer, header, 0, style->combo.border_color); - nk_fill_rect(&win->buffer, nk_shrink_rect(header, 1), 0, - background->data.color); - } - { - struct nk_rect content; - struct nk_rect button; - struct nk_rect bounds; - - enum nk_symbol_type sym; - if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) - sym = style->combo.sym_hover; - else if (is_active) - sym = style->combo.sym_active; - else sym = style->combo.sym_normal; - - /* calculate button */ - button.w = header.h - 2 * style->combo.button_padding.y; - button.x = (header.x + header.w - header.h) - style->combo.button_padding.x; - button.y = header.y + style->combo.button_padding.y; - button.h = button.w; - - content.x = button.x + style->combo.button.padding.x; - content.y = button.y + style->combo.button.padding.y; - content.w = button.w - 2 * style->combo.button.padding.x; - content.h = button.h - 2 * style->combo.button.padding.y; - - /* draw color */ - bounds.h = header.h - 4 * style->combo.content_padding.y; - bounds.y = header.y + 2 * style->combo.content_padding.y; - bounds.x = header.x + 2 * style->combo.content_padding.x; - bounds.w = (button.x - (style->combo.content_padding.x + style->combo.spacing.x)) - bounds.x; - nk_fill_rect(&win->buffer, bounds, 0, color); - - /* draw open/close button */ - nk_draw_button_symbol(&win->buffer, &button, &content, ctx->last_widget_state, - &ctx->style.combo.button, sym, &style->font); - } - return nk_combo_begin(layout, ctx, win, height, is_active, header); -} - -NK_API int -nk_combo_begin_symbol(struct nk_context *ctx, struct nk_panel *layout, - enum nk_symbol_type symbol, int height) -{ - struct nk_window *win; - struct nk_style *style; - const struct nk_input *in; - - struct nk_rect header; - int is_active = nk_false; - enum nk_widget_layout_states s; - const struct nk_style_item *background; - struct nk_color sym_background; - struct nk_color symbol_color; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - s = nk_widget(&header, ctx); - if (s == NK_WIDGET_INVALID) - return 0; - - in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input; - if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT)) - is_active = nk_true; - - /* draw combo box header background and border */ - if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVE) { - background = &style->combo.active; - symbol_color = style->combo.symbol_active; - } else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) { - background = &style->combo.hover; - symbol_color = style->combo.symbol_hover; - } else { - background = &style->combo.normal; - symbol_color = style->combo.symbol_hover; - } - - if (background->type == NK_STYLE_ITEM_IMAGE) { - sym_background = nk_rgba(0,0,0,0); - nk_draw_image(&win->buffer, header, &background->data.image); - } else { - sym_background = background->data.color; - nk_fill_rect(&win->buffer, header, 0, style->combo.border_color); - nk_fill_rect(&win->buffer, nk_shrink_rect(header, 1), 0, - background->data.color); - } - { - struct nk_rect bounds = {0,0,0,0}; - struct nk_rect content; - struct nk_rect button; - - enum nk_symbol_type sym; - if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) - sym = style->combo.sym_hover; - else if (is_active) - sym = style->combo.sym_active; - else sym = style->combo.sym_normal; - - /* calculate button */ - button.w = header.h - 2 * style->combo.button_padding.y; - button.x = (header.x + header.w - header.h) - style->combo.button_padding.y; - button.y = header.y + style->combo.button_padding.y; - button.h = button.w; - - content.x = button.x + style->combo.button.padding.x; - content.y = button.y + style->combo.button.padding.y; - content.w = button.w - 2 * style->combo.button.padding.x; - content.h = button.h - 2 * style->combo.button.padding.y; - - /* draw symbol */ - bounds.h = header.h - 2 * style->combo.content_padding.y; - bounds.y = header.y + style->combo.content_padding.y; - bounds.x = header.x + style->combo.content_padding.x; - bounds.w = (button.x - style->combo.content_padding.y) - bounds.x; - nk_draw_symbol(&win->buffer, symbol, bounds, sym_background, symbol_color, - 1.0f, &style->font); - - /* draw open/close button */ - nk_draw_button_symbol(&win->buffer, &bounds, &content, ctx->last_widget_state, - &ctx->style.combo.button, sym, &style->font); - } - return nk_combo_begin(layout, ctx, win, height, is_active, header); -} - -NK_API int -nk_combo_begin_symbol_text(struct nk_context *ctx, struct nk_panel *layout, - const char *selected, int len, enum nk_symbol_type symbol, int height) -{ - struct nk_window *win; - struct nk_style *style; - struct nk_input *in; - - struct nk_rect header; - int is_active = nk_false; - enum nk_widget_layout_states s; - const struct nk_style_item *background; - struct nk_color symbol_color; - struct nk_text text; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - s = nk_widget(&header, ctx); - if (!s) return 0; - - in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input; - if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT)) - is_active = nk_true; - - /* draw combo box header background and border */ - if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVE) { - background = &style->combo.active; - symbol_color = style->combo.symbol_active; - text.text = style->combo.label_active; - } else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) { - background = &style->combo.hover; - symbol_color = style->combo.symbol_hover; - text.text = style->combo.label_hover; - } else { - background = &style->combo.normal; - symbol_color = style->combo.symbol_normal; - text.text = style->combo.label_normal; - } - if (background->type == NK_STYLE_ITEM_IMAGE) { - text.background = nk_rgba(0,0,0,0); - nk_draw_image(&win->buffer, header, &background->data.image); - } else { - text.background = background->data.color; - nk_fill_rect(&win->buffer, header, 0, style->combo.border_color); - nk_fill_rect(&win->buffer, nk_shrink_rect(header, 1), 0, - background->data.color); - } - { - struct nk_rect content; - struct nk_rect button; - struct nk_rect label; - struct nk_rect image; - - enum nk_symbol_type sym; - if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) - sym = style->combo.sym_hover; - else if (is_active) - sym = style->combo.sym_active; - else sym = style->combo.sym_normal; - - /* calculate button */ - button.w = header.h - 2 * style->combo.button_padding.y; - button.x = (header.x + header.w - header.h) - style->combo.button_padding.x; - button.y = header.y + style->combo.button_padding.y; - button.h = button.w; - - content.x = button.x + style->combo.button.padding.x; - content.y = button.y + style->combo.button.padding.y; - content.w = button.w - 2 * style->combo.button.padding.x; - content.h = button.h - 2 * style->combo.button.padding.y; - nk_draw_button_symbol(&win->buffer, &button, &content, ctx->last_widget_state, - &ctx->style.combo.button, sym, &style->font); - - /* draw symbol */ - image.x = header.x + style->combo.content_padding.x; - image.y = header.y + style->combo.content_padding.y; - image.h = header.h - 2 * style->combo.content_padding.y; - image.w = image.h; - nk_draw_symbol(&win->buffer, symbol, image, text.background, symbol_color, - 1.0f, &style->font); - - /* draw label */ - text.padding = nk_vec2(0,0); - label.x = image.x + image.w + style->combo.spacing.x + style->combo.content_padding.x; - label.y = header.y + style->combo.content_padding.y; - label.w = (button.x - style->combo.content_padding.x) - label.x; - label.h = header.h - 2 * style->combo.content_padding.y; - nk_widget_text(&win->buffer, label, selected, len, &text, NK_TEXT_LEFT, &style->font); - } - return nk_combo_begin(layout, ctx, win, height, is_active, header); -} - -NK_API int -nk_combo_begin_image(struct nk_context *ctx, struct nk_panel *layout, - struct nk_image img, int height) -{ - struct nk_window *win; - struct nk_style *style; - const struct nk_input *in; - - struct nk_rect header; - int is_active = nk_false; - enum nk_widget_layout_states s; - const struct nk_style_item *background; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - s = nk_widget(&header, ctx); - if (s == NK_WIDGET_INVALID) - return 0; - - in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input; - if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT)) - is_active = nk_true; - - /* draw combo box header background and border */ - if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVE) - background = &style->combo.active; - else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) - background = &style->combo.hover; - else background = &style->combo.normal; - - if (background->type == NK_STYLE_ITEM_IMAGE) { - nk_draw_image(&win->buffer, header, &background->data.image); - } else { - nk_fill_rect(&win->buffer, header, 0, style->combo.border_color); - nk_fill_rect(&win->buffer, nk_shrink_rect(header, 1), 0, - background->data.color); - } - { - struct nk_rect bounds = {0,0,0,0}; - struct nk_rect content; - struct nk_rect button; - - enum nk_symbol_type sym; - if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) - sym = style->combo.sym_hover; - else if (is_active) - sym = style->combo.sym_active; - else sym = style->combo.sym_normal; - - /* calculate button */ - button.w = header.h - 2 * style->combo.button_padding.y; - button.x = (header.x + header.w - header.h) - style->combo.button_padding.y; - button.y = header.y + style->combo.button_padding.y; - button.h = button.w; - - content.x = button.x + style->combo.button.padding.x; - content.y = button.y + style->combo.button.padding.y; - content.w = button.w - 2 * style->combo.button.padding.x; - content.h = button.h - 2 * style->combo.button.padding.y; - - /* draw image */ - bounds.h = header.h - 2 * style->combo.content_padding.y; - bounds.y = header.y + style->combo.content_padding.y; - bounds.x = header.x + style->combo.content_padding.x; - bounds.w = (button.x - style->combo.content_padding.y) - bounds.x; - nk_draw_image(&win->buffer, bounds, &img); - - /* draw open/close button */ - nk_draw_button_symbol(&win->buffer, &bounds, &content, ctx->last_widget_state, - &ctx->style.combo.button, sym, &style->font); - } - return nk_combo_begin(layout, ctx, win, height, is_active, header); -} - -NK_API int -nk_combo_begin_image_text(struct nk_context *ctx, struct nk_panel *layout, - const char *selected, int len, struct nk_image img, int height) -{ - struct nk_window *win; - struct nk_style *style; - struct nk_input *in; - - struct nk_rect header; - int is_active = nk_false; - enum nk_widget_layout_states s; - const struct nk_style_item *background; - struct nk_text text; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - style = &ctx->style; - s = nk_widget(&header, ctx); - if (!s) return 0; - - in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input; - if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT)) - is_active = nk_true; - - /* draw combo box header background and border */ - if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVE) { - background = &style->combo.active; - text.text = style->combo.label_active; - } else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) { - background = &style->combo.hover; - text.text = style->combo.label_hover; - } else { - background = &style->combo.normal; - text.text = style->combo.label_normal; - } - if (background->type == NK_STYLE_ITEM_IMAGE) { - text.background = nk_rgba(0,0,0,0); - nk_draw_image(&win->buffer, header, &background->data.image); - } else { - text.background = background->data.color; - nk_fill_rect(&win->buffer, header, 0, style->combo.border_color); - nk_fill_rect(&win->buffer, nk_shrink_rect(header, 1), 0, - background->data.color); - } - { - struct nk_rect content; - struct nk_rect button; - struct nk_rect label; - struct nk_rect image; - - enum nk_symbol_type sym; - if (ctx->last_widget_state & NK_WIDGET_STATE_HOVERED) - sym = style->combo.sym_hover; - else if (is_active) - sym = style->combo.sym_active; - else sym = style->combo.sym_normal; - - /* calculate button */ - button.w = header.h - 2 * style->combo.button_padding.y; - button.x = (header.x + header.w - header.h) - style->combo.button_padding.x; - button.y = header.y + style->combo.button_padding.y; - button.h = button.w; - - content.x = button.x + style->combo.button.padding.x; - content.y = button.y + style->combo.button.padding.y; - content.w = button.w - 2 * style->combo.button.padding.x; - content.h = button.h - 2 * style->combo.button.padding.y; - nk_draw_button_symbol(&win->buffer, &button, &content, ctx->last_widget_state, - &ctx->style.combo.button, sym, &style->font); - - /* draw image */ - image.x = header.x + style->combo.content_padding.x; - image.y = header.y + style->combo.content_padding.y; - image.h = header.h - 2 * style->combo.content_padding.y; - image.w = image.h; - nk_draw_image(&win->buffer, image, &img); - - /* draw label */ - text.padding = nk_vec2(0,0); - label.x = image.x + image.w + style->combo.spacing.x + style->combo.content_padding.x; - label.y = header.y + style->combo.content_padding.y; - label.w = (button.x - style->combo.content_padding.x) - label.x; - label.h = header.h - 2 * style->combo.content_padding.y; - nk_widget_text(&win->buffer, label, selected, len, &text, NK_TEXT_LEFT, &style->font); - } - return nk_combo_begin(layout, ctx, win, height, is_active, header); -} - -NK_API int nk_combo_begin_symbol_label(struct nk_context *ctx, struct nk_panel *layout, - const char *selected, enum nk_symbol_type type, int height) -{return nk_combo_begin_symbol_text(ctx, layout, selected, nk_strlen(selected), type, height);} - -NK_API int nk_combo_begin_image_label(struct nk_context *ctx, struct nk_panel *layout, - const char *selected, struct nk_image img, int height) -{return nk_combo_begin_image_text(ctx, layout, selected, nk_strlen(selected), img, height);} - -NK_API int nk_combo_item_text(struct nk_context *ctx, const char *text, int len,nk_flags align) -{return nk_contextual_item_text(ctx, text, len, align);} - -NK_API int nk_combo_item_label(struct nk_context *ctx, const char *label, nk_flags align) -{return nk_contextual_item_label(ctx, label, align);} - -NK_API int nk_combo_item_image_text(struct nk_context *ctx, struct nk_image img, const char *text, - int len, nk_flags alignment) -{return nk_contextual_item_image_text(ctx, img, text, len, alignment);} - -NK_API int nk_combo_item_image_label(struct nk_context *ctx, struct nk_image img, - const char *text, nk_flags alignment) -{return nk_contextual_item_image_label(ctx, img, text, alignment);} - -NK_API int nk_combo_item_symbol_text(struct nk_context *ctx, enum nk_symbol_type sym, - const char *text, int len, nk_flags alignment) -{return nk_contextual_item_symbol_text(ctx, sym, text, len, alignment);} - -NK_API int nk_combo_item_symbol_label(struct nk_context *ctx, enum nk_symbol_type sym, - const char *label, nk_flags alignment) -{return nk_contextual_item_symbol_label(ctx, sym, label, alignment);} - -NK_API void nk_combo_end(struct nk_context *ctx) -{nk_contextual_end(ctx);} - -NK_API void nk_combo_close(struct nk_context *ctx) -{nk_contextual_close(ctx);} - -NK_API int -nk_combo(struct nk_context *ctx, const char **items, int count, - int selected, int item_height) -{ - int i = 0; - int max_height; - struct nk_panel combo; - float item_padding; - float window_padding; - - NK_ASSERT(ctx); - NK_ASSERT(items); - if (!ctx || !items ||!count) - return selected; - - item_padding = ctx->style.combo.button_padding.y; - window_padding = ctx->style.window.padding.y; - max_height = (count+1) * item_height + (int)item_padding * 3 + (int)window_padding * 2; - if (nk_combo_begin_label(ctx, &combo, items[selected], max_height)) { - nk_layout_row_dynamic(ctx, (float)item_height, 1); - for (i = 0; i < count; ++i) { - if (nk_combo_item_label(ctx, items[i], NK_TEXT_LEFT)) - selected = i; - } - nk_combo_end(ctx); - } - return selected; -} - -NK_API int -nk_combo_seperator(struct nk_context *ctx, const char *items_seperated_by_seperator, - int seperator, int selected, int count, int item_height) -{ - int i; - int max_height; - struct nk_panel combo; - float item_padding; - float window_padding; - const char *current_item; - const char *iter; - int length = 0; - - NK_ASSERT(ctx); - NK_ASSERT(items_seperated_by_seperator); - if (!ctx || !items_seperated_by_seperator) - return selected; - - /* calculate popup window */ - item_padding = ctx->style.combo.content_padding.y; - window_padding = ctx->style.window.padding.y; - max_height = (count+1) * item_height + (int)item_padding * 3 + (int)window_padding * 2; - - /* find selected item */ - current_item = items_seperated_by_seperator; - for (i = 0; i < selected; ++i) { - iter = current_item; - while (*iter != seperator) iter++; - length = (int)(iter - current_item); - current_item = iter + 1; - } - - if (nk_combo_begin_text(ctx, &combo, current_item, length, max_height)) { - current_item = items_seperated_by_seperator; - nk_layout_row_dynamic(ctx, (float)item_height, 1); - for (i = 0; i < count; ++i) { - iter = current_item; - while (*iter != seperator) iter++; - length = (int)(iter - current_item); - if (nk_combo_item_text(ctx, current_item, length, NK_TEXT_LEFT)) - selected = i; - current_item = current_item + length + 1; - } - nk_combo_end(ctx); - } - return selected; -} - -NK_API int -nk_combo_string(struct nk_context *ctx, const char *items_seperated_by_zeros, - int selected, int count, int item_height) -{return nk_combo_seperator(ctx, items_seperated_by_zeros, '\0', selected, count, item_height);} - -NK_API int -nk_combo_callback(struct nk_context *ctx, void(item_getter)(void*, int, const char**), - void *userdata, int selected, int count, int item_height) -{ - int i; - int max_height; - struct nk_panel combo; - float item_padding; - float window_padding; - const char *item; - - NK_ASSERT(ctx); - NK_ASSERT(item_getter); - if (!ctx || !item_getter) - return selected; - - /* calculate popup window */ - item_padding = ctx->style.combo.content_padding.y; - window_padding = ctx->style.window.padding.y; - max_height = (count+1) * item_height + (int)item_padding * 3 + (int)window_padding * 2; - - item_getter(userdata, selected, &item); - if (nk_combo_begin_label(ctx, &combo, item, max_height)) { - nk_layout_row_dynamic(ctx, (float)item_height, 1); - for (i = 0; i < count; ++i) { - item_getter(userdata, i, &item); - if (nk_combo_item_label(ctx, item, NK_TEXT_LEFT)) - selected = i; - } - nk_combo_end(ctx); - } - return selected; -} - -NK_API void nk_combobox(struct nk_context *ctx, const char **items, int count, - int *selected, int item_height) -{*selected = nk_combo(ctx, items, count, *selected, item_height);} - -NK_API void nk_combobox_string(struct nk_context *ctx, const char *items_seperated_by_zeros, - int *selected, int count, int item_height) -{*selected = nk_combo_string(ctx, items_seperated_by_zeros, *selected, count, item_height);} - -NK_API void nk_combobox_seperator(struct nk_context *ctx, const char *items_seperated_by_seperator, - int seperator,int *selected, int count, int item_height) -{*selected = nk_combo_seperator(ctx, items_seperated_by_seperator, seperator, - *selected, count, item_height);} - -NK_API void nk_combobox_callback(struct nk_context *ctx, - void(item_getter)(void* data, int id, const char **out_text), - void *userdata, int *selected, int count, int item_height) -{*selected = nk_combo_callback(ctx, item_getter, userdata, *selected, count, item_height);} - -/* - * ------------------------------------------------------------- - * - * MENU - * - * -------------------------------------------------------------- - */ -NK_INTERN int -nk_menu_begin(struct nk_panel *layout, struct nk_context *ctx, struct nk_window *win, - const char *id, int is_clicked, struct nk_rect header, float width) -{ - int is_open = 0; - int is_active = 0; - struct nk_rect body; - struct nk_window *popup; - nk_hash hash = nk_murmur_hash(id, (int)nk_strlen(id), NK_WINDOW_MENU); - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - body.x = header.x; - body.w = width; - body.y = header.y + header.h; - body.h = (win->layout->bounds.y + win->layout->bounds.h) - body.y; - - popup = win->popup.win; - is_open = (popup && (popup->flags & NK_WINDOW_MENU)); - is_active = (popup && (win->popup.name == hash) && win->popup.type == NK_WINDOW_MENU); - if ((is_clicked && is_open && !is_active) || (is_open && !is_active) || - (!is_open && !is_active && !is_clicked)) return 0; - if (!nk_nonblock_begin(layout, ctx, NK_WINDOW_MENU|NK_WINDOW_NO_SCROLLBAR, body, header)) - return 0; - win->popup.type = NK_WINDOW_MENU; - win->popup.name = hash; - return 1; -} - -NK_API int -nk_menu_begin_text(struct nk_context *ctx, struct nk_panel *layout, - const char *title, int len, nk_flags align, float width) -{ - struct nk_window *win; - const struct nk_input *in; - struct nk_rect header; - int is_clicked = nk_false; - nk_flags state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - state = nk_widget(&header, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || win->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - if (nk_do_button_text(&ctx->last_widget_state, &win->buffer, header, - title, len, align, NK_BUTTON_DEFAULT, &ctx->style.menu_button, in, &ctx->style.font)) - is_clicked = nk_true; - return nk_menu_begin(layout, ctx, win, title, is_clicked, header, width); -} - -NK_API int nk_menu_begin_label(struct nk_context *ctx, struct nk_panel *layout, - const char *text, nk_flags align, float width) -{return nk_menu_begin_text(ctx, layout, text, nk_strlen(text), align, width);} - -NK_API int -nk_menu_begin_image(struct nk_context *ctx, struct nk_panel *layout, - const char *id, struct nk_image img, float width) -{ - struct nk_window *win; - struct nk_rect header; - const struct nk_input *in; - int is_clicked = nk_false; - nk_flags state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - state = nk_widget(&header, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - if (nk_do_button_image(&ctx->last_widget_state, &win->buffer, header, - img, NK_BUTTON_DEFAULT, &ctx->style.menu_button, in)) - is_clicked = nk_true; - return nk_menu_begin(layout, ctx, win, id, is_clicked, header, width); -} - -NK_API int -nk_menu_begin_symbol(struct nk_context *ctx, struct nk_panel *layout, - const char *id, enum nk_symbol_type sym, float width) -{ - struct nk_window *win; - const struct nk_input *in; - struct nk_rect header; - int is_clicked = nk_false; - nk_flags state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - state = nk_widget(&header, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - if (nk_do_button_symbol(&ctx->last_widget_state, &win->buffer, header, - sym, NK_BUTTON_DEFAULT, &ctx->style.menu_button, in, &ctx->style.font)) - is_clicked = nk_true; - return nk_menu_begin(layout, ctx, win, id, is_clicked, header, width); -} - -NK_API int -nk_menu_begin_image_text(struct nk_context *ctx, struct nk_panel *layout, - const char *title, int len, nk_flags align, struct nk_image img, float width) -{ - struct nk_window *win; - struct nk_rect header; - const struct nk_input *in; - int is_clicked = nk_false; - nk_flags state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - state = nk_widget(&header, ctx); - if (!state) return 0; - in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - if (nk_do_button_text_image(&ctx->last_widget_state, &win->buffer, - header, img, title, len, align, NK_BUTTON_DEFAULT, &ctx->style.menu_button, - &ctx->style.font, in)) - is_clicked = nk_true; - return nk_menu_begin(layout, ctx, win, title, is_clicked, header, width); -} - -NK_API int nk_menu_begin_image_label(struct nk_context *ctx, struct nk_panel *layout, - const char *title, nk_flags align, struct nk_image img, float width) -{return nk_menu_begin_image_text(ctx, layout, title, nk_strlen(title), align, img, width);} - -NK_API int -nk_menu_begin_symbol_text(struct nk_context *ctx, struct nk_panel *layout, - const char *title, int size, nk_flags align, enum nk_symbol_type sym, float width) -{ - struct nk_window *win; - struct nk_rect header; - const struct nk_input *in; - int is_clicked = nk_false; - nk_flags state; - - NK_ASSERT(ctx); - NK_ASSERT(ctx->current); - NK_ASSERT(ctx->current->layout); - if (!ctx || !ctx->current || !ctx->current->layout) - return 0; - - win = ctx->current; - state = nk_widget(&header, ctx); - if (!state) return 0; - - in = (state == NK_WIDGET_ROM || win->layout->flags & NK_WINDOW_ROM) ? 0 : &ctx->input; - if (nk_do_button_text_symbol(&ctx->last_widget_state, &win->buffer, - header, sym, title, size, align, NK_BUTTON_DEFAULT, &ctx->style.menu_button, - &ctx->style.font, in)) is_clicked = nk_true; - return nk_menu_begin(layout, ctx, win, title, is_clicked, header, width); -} - -NK_API int nk_menu_begin_symbol_label(struct nk_context *ctx, struct nk_panel *layout, - const char *title, nk_flags align, enum nk_symbol_type sym, float width) -{return nk_menu_begin_symbol_text(ctx, layout, title, nk_strlen(title), align,sym, width);} - -NK_API int nk_menu_item_text(struct nk_context *ctx, const char *title, int len, nk_flags align) -{return nk_contextual_item_text(ctx, title, len, align);} - -NK_API int nk_menu_item_label(struct nk_context *ctx, const char *label, nk_flags align) -{return nk_contextual_item_label(ctx, label, align);} - -NK_API int nk_menu_item_image_label(struct nk_context *ctx, struct nk_image img, - const char *label, nk_flags align) -{return nk_contextual_item_image_label(ctx, img, label, align);} - -NK_API int nk_menu_item_image_text(struct nk_context *ctx, struct nk_image img, - const char *text, int len, nk_flags align) -{return nk_contextual_item_image_text(ctx, img, text, len, align);} - -NK_API int nk_menu_item_symbol_text(struct nk_context *ctx, enum nk_symbol_type sym, - const char *text, int len, nk_flags align) -{return nk_contextual_item_symbol_text(ctx, sym, text, len, align);} - -NK_API int nk_menu_item_symbol_label(struct nk_context *ctx, enum nk_symbol_type sym, - const char *label, nk_flags align) -{return nk_contextual_item_symbol_label(ctx, sym, label, align);} - -NK_API void nk_menu_close(struct nk_context *ctx) -{nk_contextual_close(ctx);} - -NK_API void -nk_menu_end(struct nk_context *ctx) -{nk_contextual_end(ctx);} - -#endif diff --git a/gfx/drivers/gl_shaders/pipeline_zahnrad.cg.h b/gfx/drivers/gl_shaders/pipeline_nuklear.cg.h similarity index 95% rename from gfx/drivers/gl_shaders/pipeline_zahnrad.cg.h rename to gfx/drivers/gl_shaders/pipeline_nuklear.cg.h index 3d0de9020e..6aa1bd559e 100644 --- a/gfx/drivers/gl_shaders/pipeline_zahnrad.cg.h +++ b/gfx/drivers/gl_shaders/pipeline_nuklear.cg.h @@ -1,4 +1,4 @@ -static const char *zahnrad_shader = +static const char *nuklear_shader = "struct input\n" "{\n" " float time;\n" diff --git a/gfx/drivers/gl_shaders/pipeline_zahnrad.glsl.frag.h b/gfx/drivers/gl_shaders/pipeline_nuklear.glsl.frag.h similarity index 83% rename from gfx/drivers/gl_shaders/pipeline_zahnrad.glsl.frag.h rename to gfx/drivers/gl_shaders/pipeline_nuklear.glsl.frag.h index cb2f44167f..bcffb44a4c 100644 --- a/gfx/drivers/gl_shaders/pipeline_zahnrad.glsl.frag.h +++ b/gfx/drivers/gl_shaders/pipeline_nuklear.glsl.frag.h @@ -1,4 +1,4 @@ -static const char *zahnrad_fragment_shader = +static const char *nuklear_fragment_shader = "#version 300 es\n" "precision mediump float;\n" "uniform sampler2D Texture;\n" diff --git a/gfx/drivers/gl_shaders/pipeline_zahnrad.glsl.vert.h b/gfx/drivers/gl_shaders/pipeline_nuklear.glsl.vert.h similarity index 87% rename from gfx/drivers/gl_shaders/pipeline_zahnrad.glsl.vert.h rename to gfx/drivers/gl_shaders/pipeline_nuklear.glsl.vert.h index 235a266ab0..9206fd2021 100644 --- a/gfx/drivers/gl_shaders/pipeline_zahnrad.glsl.vert.h +++ b/gfx/drivers/gl_shaders/pipeline_nuklear.glsl.vert.h @@ -1,4 +1,4 @@ -static const char *zahnrad_vertex_shader = +static const char *nuklear_vertex_shader = "#version 300 es\n" "uniform mat4 ProjMtx;\n" "in vec2 Position;\n" diff --git a/menu/drivers/nk_common.c b/menu/drivers/nk_common.c index 9ecd9ed46a..abae5095f0 100644 --- a/menu/drivers/nk_common.c +++ b/menu/drivers/nk_common.c @@ -30,8 +30,8 @@ #include "../menu_display.h" #include "../../gfx/video_shader_driver.h" -#include "../../gfx/drivers/gl_shaders/pipeline_zahnrad.glsl.vert.h" -#include "../../gfx/drivers/gl_shaders/pipeline_zahnrad.glsl.frag.h" +#include "../../gfx/drivers/gl_shaders/pipeline_nuklear.glsl.vert.h" +#include "../../gfx/drivers/gl_shaders/pipeline_nuklear.glsl.frag.h" struct nk_font *font; struct nk_font_atlas atlas; @@ -77,8 +77,8 @@ NK_API void nk_common_device_init(struct nk_device *dev) dev->prog = glCreateProgram(); dev->vert_shdr = glCreateShader(GL_VERTEX_SHADER); dev->frag_shdr = glCreateShader(GL_FRAGMENT_SHADER); - glShaderSource(dev->vert_shdr, 1, &zahnrad_vertex_shader, 0); - glShaderSource(dev->frag_shdr, 1, &zahnrad_fragment_shader, 0); + glShaderSource(dev->vert_shdr, 1, &nuklear_vertex_shader, 0); + glShaderSource(dev->frag_shdr, 1, &nuklear_fragment_shader, 0); glCompileShader(dev->vert_shdr); glCompileShader(dev->frag_shdr); glGetShaderiv(dev->vert_shdr, GL_COMPILE_STATUS, &status); diff --git a/menu/drivers/nk_common.h b/menu/drivers/nk_common.h index 42523ec421..67b678facd 100644 --- a/menu/drivers/nk_common.h +++ b/menu/drivers/nk_common.h @@ -22,7 +22,8 @@ #define NK_INCLUDE_FONT_BAKING #define NK_INCLUDE_DEFAULT_FONT -#include "../../deps/zahnrad/nuklear.h" +#include +#include "../../deps/nuklear/nuklear.h" #include "../../deps/stb/stb_image.h" #if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES) diff --git a/menu/drivers/nk_menu.h b/menu/drivers/nk_menu.h index 4b9262fe83..ee49218842 100644 --- a/menu/drivers/nk_menu.h +++ b/menu/drivers/nk_menu.h @@ -57,7 +57,7 @@ struct window { typedef struct nk_menu_handle { - /* zahnrad mandatory */ + /* nuklear mandatory */ void *memory; struct nk_context ctx; struct nk_memory_status status; @@ -83,7 +83,7 @@ typedef struct nk_menu_handle menu_texture_item list[NK_TEXTURE_LAST]; } textures; - gfx_font_raster_block_t list_block; + video_font_raster_block_t list_block; } nk_menu_handle_t; void nk_menu_wnd_shader_parameters(nk_menu_handle_t *zr); diff --git a/menu/drivers/nuklear.c b/menu/drivers/nuklear.c index 6883a51286..b8b0c8e480 100644 --- a/menu/drivers/nuklear.c +++ b/menu/drivers/nuklear.c @@ -147,7 +147,7 @@ static void nk_menu_context_reset_textures(nk_menu_handle_t *nk, video_driver_texture_load(&ti, TEXTURE_FILTER_MIPMAP_LINEAR, &nk->textures.list[i]); - image_texture_load(&ti); + image_texture_load(&ti, path); } } @@ -292,7 +292,7 @@ static void *nk_menu_init(void **userdata) *userdata = nk; fill_pathname_join(nk->assets_directory, settings->directory.assets, - "zahnrad", sizeof(nk->assets_directory)); + "nuklear", sizeof(nk->assets_directory)); nk_menu_init_device(nk); return menu; @@ -352,7 +352,7 @@ static void nk_menu_context_reset(void *data) return; fill_pathname_join(iconpath, settings->directory.assets, - "zahnrad", sizeof(iconpath)); + "nuklear", sizeof(iconpath)); fill_pathname_slash(iconpath, sizeof(iconpath)); nk_menu_layout(nk);