RetroArch/menu/drivers/nuklear.c
2016-06-17 23:47:23 +02:00

471 lines
12 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2016 - Daniel De Matteis
* Copyright (C) 2014-2015 - Jean-André Santoni
* Copyright (C) 2016 - Andrés Suárez
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <math.h>
#include <retro_assert.h>
#include <compat/posix_string.h>
#include <file/file_path.h>
#include <formats/image.h>
#include <gfx/math/matrix_4x4.h>
#include <string/stdstring.h>
#include <lists/string_list.h>
#include "menu_generic.h"
#include "nuklear/nk_menu.h"
#include "../menu_driver.h"
#include "../menu_animation.h"
#include "../menu_navigation.h"
#include "../menu_hash.h"
#include "../menu_display.h"
#include "../../core_info.h"
#include "../../configuration.h"
#include "../../frontend/frontend_driver.h"
#include "../../system.h"
#include "../../runloop.h"
#include "../../verbosity.h"
#include "../../tasks/tasks_internal.h"
/* this is the main control function, it opens and closes windows, */
static void nk_menu_main(nk_menu_handle_t *nk)
{
struct nk_context *ctx = &nk->ctx;
if (nk->window[NK_WND_SETTINGS].open)
nk_wnd_settings(nk);
if (nk->window[NK_WND_SHADER_PARAMETERS].open)
nk_wnd_shader_parameters(nk);
if (nk->window[NK_WND_MAIN].open)
nk_wnd_main(nk, "Demo");
nk_buffer_info(&nk->status, &nk->ctx.memory);
}
static void nk_menu_input_gamepad(nk_menu_handle_t *nk)
{
switch (nk->action)
{
case MENU_ACTION_LEFT:
nk_input_key(&nk->ctx, NK_KEY_LEFT, 1);
break;
case MENU_ACTION_RIGHT:
nk_input_key(&nk->ctx, NK_KEY_RIGHT, 1);
break;
case MENU_ACTION_DOWN:
nk_input_key(&nk->ctx, NK_KEY_DOWN, 1);
break;
case MENU_ACTION_UP:
nk_input_key(&nk->ctx, NK_KEY_UP, 1);
break;
default:
nk_input_key(&nk->ctx, NK_KEY_UP, 0);
nk_input_key(&nk->ctx, NK_KEY_DOWN, 0);
nk_input_key(&nk->ctx, NK_KEY_LEFT, 0);
nk_input_key(&nk->ctx, NK_KEY_RIGHT, 0);
break;
}
}
static void nk_menu_input_mouse_movement(struct nk_context *ctx)
{
int16_t mouse_x = menu_input_mouse_state(MENU_MOUSE_X_AXIS);
int16_t mouse_y = menu_input_mouse_state(MENU_MOUSE_Y_AXIS);
nk_input_motion(ctx, mouse_x, mouse_y);
nk_input_scroll(ctx, menu_input_mouse_state(MENU_MOUSE_WHEEL_UP) -
menu_input_mouse_state(MENU_MOUSE_WHEEL_DOWN));
}
static void nk_menu_input_mouse_button(struct nk_context *ctx)
{
int16_t mouse_x = menu_input_mouse_state(MENU_MOUSE_X_AXIS);
int16_t mouse_y = menu_input_mouse_state(MENU_MOUSE_Y_AXIS);
nk_input_button(ctx, NK_BUTTON_LEFT,
mouse_x, mouse_y, menu_input_mouse_state(MENU_MOUSE_LEFT_BUTTON));
nk_input_button(ctx, NK_BUTTON_RIGHT,
mouse_x, mouse_y, menu_input_mouse_state(MENU_MOUSE_RIGHT_BUTTON));
}
static void nk_menu_input_keyboard(struct nk_context *ctx)
{
/* placeholder, it just presses 1 on right click
needs to be hooked up correctly
*/
if(menu_input_mouse_state(MENU_MOUSE_RIGHT_BUTTON))
nk_input_char(ctx, '1');
}
static void nk_menu_context_reset_textures(nk_menu_handle_t *nk,
const char *iconpath)
{
unsigned i;
for (i = 0; i < NK_TEXTURE_LAST; i++)
{
struct texture_image ti = {0};
char path[PATH_MAX_LENGTH] = {0};
switch(i)
{
case NK_TEXTURE_POINTER:
fill_pathname_join(path, iconpath,
"pointer.png", sizeof(path));
break;
}
if (string_is_empty(path) || !path_file_exists(path))
continue;
image_texture_load(&ti, path);
video_driver_texture_load(&ti,
TEXTURE_FILTER_MIPMAP_LINEAR, &nk->textures.list[i]);
image_texture_load(&ti, path);
}
}
static void nk_menu_get_message(void *data, const char *message)
{
nk_menu_handle_t *nk = (nk_menu_handle_t*)data;
if (!nk || !message || !*message)
return;
strlcpy(nk->box_message, message, sizeof(nk->box_message));
}
static void nk_menu_frame(void *data)
{
float white_bg[16]= {
0.98, 0.98, 0.98, 1,
0.98, 0.98, 0.98, 1,
0.98, 0.98, 0.98, 1,
0.98, 0.98, 0.98, 1,
};
unsigned width, height, ticker_limit, i;
nk_menu_handle_t *nk = (nk_menu_handle_t*)data;
settings_t *settings = config_get_ptr();
bool libretro_running = menu_display_libretro_running();
if (!nk)
return;
video_driver_get_size(&width, &height);
menu_display_set_viewport();
nk_input_begin(&nk->ctx);
nk_menu_input_gamepad(nk);
nk_menu_input_mouse_movement(&nk->ctx);
nk_menu_input_mouse_button(&nk->ctx);
nk_menu_input_keyboard(&nk->ctx);
if (width != nk->size.x || height != nk->size.y)
{
nk->size.x = width;
nk->size.y = height;
nk->size_changed = true;
}
nk_input_end(&nk->ctx);
nk_menu_main(nk);
nk_common_device_draw(&device, &nk->ctx, width, height, NK_ANTI_ALIASING_ON);
menu_display_draw_cursor(
&white_bg[0],
64,
nk->textures.list[NK_TEXTURE_POINTER],
menu_input_mouse_state(MENU_MOUSE_X_AXIS),
menu_input_mouse_state(MENU_MOUSE_Y_AXIS),
width,
height);
menu_display_restore_clear_color();
menu_display_unset_viewport();
}
static void nk_menu_layout(nk_menu_handle_t *nk)
{
unsigned width, height;
video_driver_get_size(&width, &height);
}
static void nk_menu_init_device(nk_menu_handle_t *nk)
{
char buf[PATH_MAX_LENGTH] = {0};
fill_pathname_join(buf, nk->assets_directory,
"DroidSans.ttf", sizeof(buf));
nk_alloc.userdata.ptr = NULL;
nk_alloc.alloc = nk_common_mem_alloc;
nk_alloc.free = nk_common_mem_free;
nk_buffer_init(&device.cmds, &nk_alloc, 1024);
const void *image; int w, h;
nk_font_atlas_init_default(&atlas);
nk_font_atlas_begin(&atlas);
font = nk_font_atlas_add_default(&atlas, 13.0f, NULL);
image = nk_font_atlas_bake(&atlas, &w, &h, NK_FONT_ATLAS_RGBA32);
device_upload_atlas(&device, image, w, h);
nk_font_atlas_end(&atlas, nk_handle_id((int)device.font_tex), &device.null);
nk_init_default(&nk->ctx, &font->handle);
//nk_init(&nk->ctx, &nk_alloc, &usrfnt);
nk_common_device_init(&device);
fill_pathname_join(buf, nk->assets_directory, "folder.png", sizeof(buf));
nk->icons.folder = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "speaker.png", sizeof(buf));
nk->icons.speaker = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "gamepad.png", sizeof(buf));
nk->icons.gamepad = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "monitor.png", sizeof(buf));
nk->icons.monitor = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "settings.png", sizeof(buf));
nk->icons.settings = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "invader.png", sizeof(buf));
nk->icons.invader = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "page_on.png", sizeof(buf));
nk->icons.page_on = nk_common_image_load(buf);
fill_pathname_join(buf, nk->assets_directory, "page_off.png", sizeof(buf));
nk->icons.page_off = nk_common_image_load(buf);
nk->size_changed = true;
nk_common_set_style(&nk->ctx, THEME_BLUE);
}
static void *nk_menu_init(void **userdata)
{
settings_t *settings = config_get_ptr();
nk_menu_handle_t *nk = NULL;
menu_handle_t *menu = (menu_handle_t*)
calloc(1, sizeof(*menu));
unsigned width, height = 0;
video_driver_get_size(&width, &height);
if (!menu)
goto error;
if (!menu_display_init_first_driver())
goto error;
nk = (nk_menu_handle_t*)calloc(1, sizeof(nk_menu_handle_t));
if (!nk)
goto error;
*userdata = nk;
fill_pathname_join(nk->assets_directory, settings->directory.assets,
"nuklear", sizeof(nk->assets_directory));
nk_menu_init_device(nk);
/* for demo puposes only, opens all windows */
#if 0
for (int i=0; i < NK_WND_LAST; i++)
nk->window[i].open = true;
#else
nk->window[NK_WND_MAIN].open = true;
#endif
return menu;
error:
if (menu)
free(menu);
return NULL;
}
static void nk_menu_free(void *data)
{
nk_menu_handle_t *nk = (nk_menu_handle_t*)data;
if (!nk)
return;
free(font);
nk_free(&nk->ctx);
nk_buffer_free(&device.cmds);
nk_common_device_shutdown(&device);
video_coord_array_free(&nk->list_block.carr);
font_driver_bind_block(NULL, NULL);
}
static void wimp_context_bg_destroy(nk_menu_handle_t *nk)
{
if (!nk)
return;
}
static void nk_menu_context_destroy(void *data)
{
unsigned i;
nk_menu_handle_t *nk = (nk_menu_handle_t*)data;
if (!nk)
return;
for (i = 0; i < NK_TEXTURE_LAST; i++)
video_driver_texture_unload((uintptr_t*)&nk->textures.list[i]);
menu_display_font_main_deinit();
wimp_context_bg_destroy(nk);
}
static void nk_menu_context_reset(void *data)
{
char iconpath[PATH_MAX_LENGTH] = {0};
nk_menu_handle_t *nk = (nk_menu_handle_t*)data;
settings_t *settings = config_get_ptr();
unsigned width = 0;
unsigned height = 0;
video_driver_get_size(&width, &height);
if (!nk || !settings)
return;
fill_pathname_join(iconpath, settings->directory.assets,
"nuklear", sizeof(iconpath));
fill_pathname_slash(iconpath, sizeof(iconpath));
nk_menu_layout(nk);
nk_menu_init_device(nk);
wimp_context_bg_destroy(nk);
nk_menu_context_reset_textures(nk, iconpath);
task_push_image_load(settings->path.menu_wallpaper, "cb_menu_wallpaper",
menu_display_handle_wallpaper_upload, NULL);
}
static int nk_menu_environ(enum menu_environ_cb type, void *data, void *userdata)
{
switch (type)
{
case 0:
default:
break;
}
return -1;
}
static bool nk_menu_init_list(void *data)
{
menu_displaylist_info_t info = {0};
file_list_t *menu_stack = menu_entries_get_menu_stack_ptr(0);
file_list_t *selection_buf = menu_entries_get_selection_buf_ptr(0);
strlcpy(info.label,
menu_hash_to_str_enum(MENU_ENUM_LABEL_HISTORY_TAB), sizeof(info.label));
info.enum_idx = MENU_ENUM_LABEL_HISTORY_TAB;
menu_entries_add_enum(menu_stack,
info.path, info.label, MENU_ENUM_LABEL_UNKNOWN,
info.type, info.flags, 0);
command_event(CMD_EVENT_HISTORY_INIT, NULL);
info.list = selection_buf;
if (menu_displaylist_ctl(DISPLAYLIST_HISTORY, &info))
{
info.need_push = true;
return menu_displaylist_ctl(DISPLAYLIST_PROCESS, &info);
}
return false;
}
static int nk_menu_iterate(void *data, void *userdata, enum menu_action action)
{
int ret;
size_t selection;
menu_entry_t entry;
nk_menu_handle_t *nk = (nk_menu_handle_t*)userdata;
if (!nk)
return -1;
if (!menu_navigation_ctl(MENU_NAVIGATION_CTL_GET_SELECTION, &selection))
return 0;
menu_entry_get(&entry, 0, selection, NULL, false);
nk->action = action;
ret = menu_entry_action(&entry, selection, action);
if (ret)
return -1;
return 0;
}
menu_ctx_driver_t menu_ctx_nuklear = {
NULL,
nk_menu_get_message,
nk_menu_iterate,
NULL,
nk_menu_frame,
nk_menu_init,
nk_menu_free,
nk_menu_context_reset,
nk_menu_context_destroy,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
nk_menu_init_list,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"nuklear",
nk_menu_environ,
NULL,
NULL,
NULL
};