/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* * This file contains painting functions for each of the gtk2 widgets. * Adapted from the gtkdrawing.c, and gtk+2.0 source. */ #include #include #include #include "gtkdrawing.h" #include "mozilla/Assertions.h" #include "prinrval.h" #include "WidgetStyleCache.h" #include static GtkWidget* gProtoLayout; static GtkWidget* gComboBoxWidget; static GtkWidget* gComboBoxButtonWidget; static GtkWidget* gComboBoxArrowWidget; static GtkWidget* gComboBoxSeparatorWidget; static GtkWidget* gComboBoxEntryWidget; static GtkWidget* gComboBoxEntryTextareaWidget; static GtkWidget* gComboBoxEntryButtonWidget; static GtkWidget* gComboBoxEntryArrowWidget; static GtkWidget* gTabWidget; static style_prop_t style_prop_func; static gboolean have_arrow_scaling; static gboolean checkbox_check_state; static gboolean notebook_has_tab_gap; static gboolean is_initialized; #define ARROW_UP 0 #define ARROW_DOWN G_PI #define ARROW_RIGHT G_PI_2 #define ARROW_LEFT (G_PI+G_PI_2) #if !GTK_CHECK_VERSION(3,14,0) #define GTK_STATE_FLAG_CHECKED (1 << 11) #endif static GtkStateFlags GetStateFlagsFromGtkWidgetState(GtkWidgetState* state) { GtkStateFlags stateFlags = GTK_STATE_FLAG_NORMAL; if (state->disabled) stateFlags = GTK_STATE_FLAG_INSENSITIVE; else { if (state->depressed || state->active) stateFlags = static_cast(stateFlags|GTK_STATE_FLAG_ACTIVE); if (state->inHover) stateFlags = static_cast(stateFlags|GTK_STATE_FLAG_PRELIGHT); if (state->focused) stateFlags = static_cast(stateFlags|GTK_STATE_FLAG_FOCUSED); } return stateFlags; } gint moz_gtk_enable_style_props(style_prop_t styleGetProp) { style_prop_func = styleGetProp; return MOZ_GTK_SUCCESS; } static gint setup_widget_prototype(GtkWidget* widget) { if (!gProtoLayout) { gProtoLayout = GetWidget(MOZ_GTK_WINDOW_CONTAINER); } gtk_container_add(GTK_CONTAINER(gProtoLayout), widget); return MOZ_GTK_SUCCESS; } /* We need to have pointers to the inner widgets (button, separator, arrow) * of the ComboBox to get the correct rendering from theme engines which * special cases their look. Since the inner layout can change, we ask GTK * to NULL our pointers when they are about to become invalid because the * corresponding widgets don't exist anymore. It's the role of * g_object_add_weak_pointer(). * Note that if we don't find the inner widgets (which shouldn't happen), we * fallback to use generic "non-inner" widgets, and they don't need that kind * of weak pointer since they are explicit children of gProtoLayout and as * such GTK holds a strong reference to them. */ static void moz_gtk_get_combo_box_inner_button(GtkWidget *widget, gpointer client_data) { if (GTK_IS_TOGGLE_BUTTON(widget)) { gComboBoxButtonWidget = widget; g_object_add_weak_pointer(G_OBJECT(widget), (gpointer *) &gComboBoxButtonWidget); gtk_widget_realize(widget); } } static void moz_gtk_get_combo_box_button_inner_widgets(GtkWidget *widget, gpointer client_data) { if (GTK_IS_SEPARATOR(widget)) { gComboBoxSeparatorWidget = widget; g_object_add_weak_pointer(G_OBJECT(widget), (gpointer *) &gComboBoxSeparatorWidget); } else if (GTK_IS_ARROW(widget)) { gComboBoxArrowWidget = widget; g_object_add_weak_pointer(G_OBJECT(widget), (gpointer *) &gComboBoxArrowWidget); } else return; gtk_widget_realize(widget); } static gint ensure_combo_box_widgets() { GtkWidget* buttonChild; if (gComboBoxButtonWidget && gComboBoxArrowWidget) return MOZ_GTK_SUCCESS; /* Create a ComboBox if needed */ if (!gComboBoxWidget) { gComboBoxWidget = gtk_combo_box_new(); setup_widget_prototype(gComboBoxWidget); } /* Get its inner Button */ gtk_container_forall(GTK_CONTAINER(gComboBoxWidget), moz_gtk_get_combo_box_inner_button, NULL); if (gComboBoxButtonWidget) { /* Get the widgets inside the Button */ buttonChild = gtk_bin_get_child(GTK_BIN(gComboBoxButtonWidget)); if (GTK_IS_BOX(buttonChild)) { /* appears-as-list = FALSE, cell-view = TRUE; the button * contains an hbox. This hbox is there because the ComboBox * needs to place a cell renderer, a separator, and an arrow in * the button when appears-as-list is FALSE. */ gtk_container_forall(GTK_CONTAINER(buttonChild), moz_gtk_get_combo_box_button_inner_widgets, NULL); } else if(GTK_IS_ARROW(buttonChild)) { /* appears-as-list = TRUE, or cell-view = FALSE; * the button only contains an arrow */ gComboBoxArrowWidget = buttonChild; g_object_add_weak_pointer(G_OBJECT(buttonChild), (gpointer *) &gComboBoxArrowWidget); gtk_widget_realize(gComboBoxArrowWidget); } } else { /* Shouldn't be reached with current internal gtk implementation; we * use a generic toggle button as last resort fallback to avoid * crashing. */ gComboBoxButtonWidget = GetWidget(MOZ_GTK_TOGGLE_BUTTON); } if (!gComboBoxArrowWidget) { /* Shouldn't be reached with current internal gtk implementation; * we gButtonArrowWidget as last resort fallback to avoid * crashing. */ gComboBoxArrowWidget = GetWidget(MOZ_GTK_BUTTON_ARROW); } /* We don't test the validity of gComboBoxSeparatorWidget since there * is none when "appears-as-list" = TRUE or "cell-view" = FALSE; if it * is invalid we just won't paint it. */ return MOZ_GTK_SUCCESS; } /* We need to have pointers to the inner widgets (entry, button, arrow) of * the ComboBoxEntry to get the correct rendering from theme engines which * special cases their look. Since the inner layout can change, we ask GTK * to NULL our pointers when they are about to become invalid because the * corresponding widgets don't exist anymore. It's the role of * g_object_add_weak_pointer(). * Note that if we don't find the inner widgets (which shouldn't happen), we * fallback to use generic "non-inner" widgets, and they don't need that kind * of weak pointer since they are explicit children of gProtoLayout and as * such GTK holds a strong reference to them. */ static void moz_gtk_get_combo_box_entry_inner_widgets(GtkWidget *widget, gpointer client_data) { if (GTK_IS_TOGGLE_BUTTON(widget)) { gComboBoxEntryButtonWidget = widget; g_object_add_weak_pointer(G_OBJECT(widget), (gpointer *) &gComboBoxEntryButtonWidget); } else if (GTK_IS_ENTRY(widget)) { gComboBoxEntryTextareaWidget = widget; g_object_add_weak_pointer(G_OBJECT(widget), (gpointer *) &gComboBoxEntryTextareaWidget); } else return; gtk_widget_realize(widget); } static void moz_gtk_get_combo_box_entry_arrow(GtkWidget *widget, gpointer client_data) { if (GTK_IS_ARROW(widget)) { gComboBoxEntryArrowWidget = widget; g_object_add_weak_pointer(G_OBJECT(widget), (gpointer *) &gComboBoxEntryArrowWidget); gtk_widget_realize(widget); } } static gint ensure_combo_box_entry_widgets() { GtkWidget* buttonChild; if (gComboBoxEntryTextareaWidget && gComboBoxEntryButtonWidget && gComboBoxEntryArrowWidget) return MOZ_GTK_SUCCESS; /* Create a ComboBoxEntry if needed */ if (!gComboBoxEntryWidget) { gComboBoxEntryWidget = gtk_combo_box_new_with_entry(); setup_widget_prototype(gComboBoxEntryWidget); } /* Get its inner Entry and Button */ gtk_container_forall(GTK_CONTAINER(gComboBoxEntryWidget), moz_gtk_get_combo_box_entry_inner_widgets, NULL); if (!gComboBoxEntryTextareaWidget) { gComboBoxEntryTextareaWidget = GetWidget(MOZ_GTK_ENTRY); } if (gComboBoxEntryButtonWidget) { /* Get the Arrow inside the Button */ buttonChild = gtk_bin_get_child(GTK_BIN(gComboBoxEntryButtonWidget)); if (GTK_IS_BOX(buttonChild)) { /* appears-as-list = FALSE, cell-view = TRUE; the button * contains an hbox. This hbox is there because the ComboBox * needs to place a cell renderer, a separator, and an arrow in * the button when appears-as-list is FALSE. */ gtk_container_forall(GTK_CONTAINER(buttonChild), moz_gtk_get_combo_box_entry_arrow, NULL); } else if(GTK_IS_ARROW(buttonChild)) { /* appears-as-list = TRUE, or cell-view = FALSE; * the button only contains an arrow */ gComboBoxEntryArrowWidget = buttonChild; g_object_add_weak_pointer(G_OBJECT(buttonChild), (gpointer *) &gComboBoxEntryArrowWidget); gtk_widget_realize(gComboBoxEntryArrowWidget); } } else { /* Shouldn't be reached with current internal gtk implementation; * we use a generic toggle button as last resort fallback to avoid * crashing. */ gComboBoxEntryButtonWidget = GetWidget(MOZ_GTK_TOGGLE_BUTTON); } if (!gComboBoxEntryArrowWidget) { /* Shouldn't be reached with current internal gtk implementation; * we gButtonArrowWidget as last resort fallback to avoid * crashing. */ gComboBoxEntryArrowWidget = GetWidget(MOZ_GTK_BUTTON_ARROW); } return MOZ_GTK_SUCCESS; } static gint ensure_tab_widget() { if (!gTabWidget) { gTabWidget = gtk_notebook_new(); setup_widget_prototype(gTabWidget); } return MOZ_GTK_SUCCESS; } gint moz_gtk_init() { if (is_initialized) return MOZ_GTK_SUCCESS; is_initialized = TRUE; have_arrow_scaling = (gtk_major_version > 2 || (gtk_major_version == 2 && gtk_minor_version >= 12)); if (gtk_major_version > 3 || (gtk_major_version == 3 && gtk_minor_version >= 14)) checkbox_check_state = GTK_STATE_FLAG_CHECKED; else checkbox_check_state = GTK_STATE_FLAG_ACTIVE; if(!gtk_check_version(3, 12, 0)) { ensure_tab_widget(); gtk_style_context_get_style(gtk_widget_get_style_context(gTabWidget), "has-tab-gap", ¬ebook_has_tab_gap, NULL); } else { notebook_has_tab_gap = TRUE; } return MOZ_GTK_SUCCESS; } gint moz_gtk_checkbox_get_metrics(gint* indicator_size, gint* indicator_spacing) { gtk_widget_style_get(GetWidget(MOZ_GTK_CHECKBUTTON_CONTAINER), "indicator_size", indicator_size, "indicator_spacing", indicator_spacing, NULL); return MOZ_GTK_SUCCESS; } gint moz_gtk_radio_get_metrics(gint* indicator_size, gint* indicator_spacing) { gtk_widget_style_get(GetWidget(MOZ_GTK_RADIOBUTTON_CONTAINER), "indicator_size", indicator_size, "indicator_spacing", indicator_spacing, NULL); return MOZ_GTK_SUCCESS; } gint moz_gtk_get_focus_outline_size(gint* focus_h_width, gint* focus_v_width) { GtkBorder border; GtkBorder padding; GtkStyleContext *style = ClaimStyleContext(MOZ_GTK_ENTRY); gtk_style_context_get_border(style, GTK_STATE_FLAG_NORMAL, &border); gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding); *focus_h_width = border.left + padding.left; *focus_v_width = border.top + padding.top; ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } gint moz_gtk_menuitem_get_horizontal_padding(gint* horizontal_padding) { gtk_widget_style_get(GetWidget(MOZ_GTK_MENUITEM), "horizontal-padding", horizontal_padding, nullptr); return MOZ_GTK_SUCCESS; } gint moz_gtk_checkmenuitem_get_horizontal_padding(gint* horizontal_padding) { GtkStyleContext *style = ClaimStyleContext(MOZ_GTK_CHECKMENUITEM_CONTAINER); gtk_style_context_get_style(style, "horizontal-padding", horizontal_padding, NULL); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } gint moz_gtk_button_get_default_overflow(gint* border_top, gint* border_left, gint* border_bottom, gint* border_right) { GtkBorder* default_outside_border; GtkStyleContext *style = ClaimStyleContext(MOZ_GTK_BUTTON); gtk_style_context_get_style(style, "default-outside-border", &default_outside_border, NULL); ReleaseStyleContext(style); if (default_outside_border) { *border_top = default_outside_border->top; *border_left = default_outside_border->left; *border_bottom = default_outside_border->bottom; *border_right = default_outside_border->right; gtk_border_free(default_outside_border); } else { *border_top = *border_left = *border_bottom = *border_right = 0; } return MOZ_GTK_SUCCESS; } static gint moz_gtk_button_get_default_border(gint* border_top, gint* border_left, gint* border_bottom, gint* border_right) { GtkBorder* default_border; GtkStyleContext *style = ClaimStyleContext(MOZ_GTK_BUTTON); gtk_style_context_get_style(style, "default-border", &default_border, NULL); ReleaseStyleContext(style); if (default_border) { *border_top = default_border->top; *border_left = default_border->left; *border_bottom = default_border->bottom; *border_right = default_border->right; gtk_border_free(default_border); } else { /* see gtkbutton.c */ *border_top = *border_left = *border_bottom = *border_right = 1; } return MOZ_GTK_SUCCESS; } gint moz_gtk_splitter_get_metrics(gint orientation, gint* size) { GtkStyleContext *style; if (orientation == GTK_ORIENTATION_HORIZONTAL) { style = ClaimStyleContext(MOZ_GTK_SPLITTER_HORIZONTAL); } else { style = ClaimStyleContext(MOZ_GTK_SPLITTER_VERTICAL); } gtk_style_context_get_style(style, "handle_size", size, NULL); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_window_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_WINDOW, direction); gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_style_context_restore(style); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_button_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkReliefStyle relief, GtkWidget* widget, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style = gtk_widget_get_style_context(widget); gint x = rect->x, y=rect->y, width=rect->width, height=rect->height; gtk_widget_set_direction(widget, direction); gtk_style_context_save(style); gtk_style_context_set_state(style, state_flags); if (state->isDefault && relief == GTK_RELIEF_NORMAL) { /* handle default borders both outside and inside the button */ gint default_top, default_left, default_bottom, default_right; moz_gtk_button_get_default_overflow(&default_top, &default_left, &default_bottom, &default_right); x -= default_left; y -= default_top; width += default_left + default_right; height += default_top + default_bottom; gtk_render_background(style, cr, x, y, width, height); gtk_render_frame(style, cr, x, y, width, height); moz_gtk_button_get_default_border(&default_top, &default_left, &default_bottom, &default_right); x += default_left; y += default_top; width -= (default_left + default_right); height -= (default_top + default_bottom); } else if (relief != GTK_RELIEF_NONE || state->depressed || (state_flags & GTK_STATE_FLAG_PRELIGHT)) { /* the following line can trigger an assertion (Crux theme) file ../../gdk/gdkwindow.c: line 1846 (gdk_window_clear_area): assertion `GDK_IS_WINDOW (window)' failed */ gtk_render_background(style, cr, x, y, width, height); gtk_render_frame(style, cr, x, y, width, height); } if (state->focused) { GtkBorder border; gtk_style_context_get_border(style, state_flags, &border); x += border.left; y += border.top; width -= (border.left + border.right); height -= (border.top + border.bottom); gtk_render_focus(style, cr, x, y, width, height); } gtk_style_context_restore(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_toggle_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, gboolean selected, gboolean inconsistent, gboolean isradio, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); gint indicator_size, indicator_spacing; gint x, y, width, height; gint focus_x, focus_y, focus_width, focus_height; GtkStyleContext *style; GtkWidget *widget = GetWidget(isradio ? MOZ_GTK_RADIOBUTTON_CONTAINER : MOZ_GTK_CHECKBUTTON_CONTAINER); gtk_widget_style_get(widget, "indicator_size", &indicator_size, "indicator_spacing", &indicator_spacing, nullptr); // XXX we should assert rect->height >= indicator_size too // after bug 369581 is fixed. MOZ_ASSERT(rect->width >= indicator_size, "GetMinimumWidgetSize was ignored"); // Paint it center aligned in the rect. x = rect->x + (rect->width - indicator_size) / 2; y = rect->y + (rect->height - indicator_size) / 2; width = indicator_size; height = indicator_size; focus_x = x - indicator_spacing; focus_y = y - indicator_spacing; focus_width = width + 2 * indicator_spacing; focus_height = height + 2 * indicator_spacing; if (selected) state_flags = static_cast(state_flags|checkbox_check_state); if (inconsistent) state_flags = static_cast(state_flags|GTK_STATE_FLAG_INCONSISTENT); style = ClaimStyleContext(isradio ? MOZ_GTK_RADIOBUTTON : MOZ_GTK_CHECKBUTTON, direction, state_flags); if (gtk_check_version(3, 20, 0) == nullptr) { gtk_render_background(style, cr, x, y, width, height); gtk_render_frame(style, cr, x, y, width, height); } if (isradio) { gtk_render_option(style, cr, x, y, width, height); if (state->focused) { gtk_render_focus(style, cr, focus_x, focus_y, focus_width, focus_height); } } else { gtk_render_check(style, cr, x, y, width, height); if (state->focused) { gtk_render_focus(style, cr, focus_x, focus_y, focus_width, focus_height); } } ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint calculate_button_inner_rect(GtkWidget* button, GdkRectangle* rect, GdkRectangle* inner_rect, GtkTextDirection direction) { GtkStyleContext* style; GtkBorder border; GtkBorder padding = {0, 0, 0, 0}; style = gtk_widget_get_style_context(button); /* This mirrors gtkbutton's child positioning */ gtk_style_context_get_border(style, GTK_STATE_FLAG_NORMAL, &border); gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding); inner_rect->x = rect->x + border.left + padding.left; inner_rect->y = rect->y + padding.top + border.top; inner_rect->width = MAX(1, rect->width - padding.left - padding.right - border.left * 2); inner_rect->height = MAX(1, rect->height - padding.top - padding.bottom - border.top * 2); return MOZ_GTK_SUCCESS; } static gint calculate_arrow_rect(GtkWidget* arrow, GdkRectangle* rect, GdkRectangle* arrow_rect, GtkTextDirection direction) { /* defined in gtkarrow.c */ gfloat arrow_scaling = 0.7; gfloat xalign, xpad; gint extent; gint mxpad, mypad; gfloat mxalign, myalign; GtkMisc* misc = GTK_MISC(arrow); if (have_arrow_scaling) gtk_style_context_get_style(gtk_widget_get_style_context(arrow), "arrow_scaling", &arrow_scaling, NULL); gtk_misc_get_padding(misc, &mxpad, &mypad); extent = MIN((rect->width - mxpad * 2), (rect->height - mypad * 2)) * arrow_scaling; gtk_misc_get_alignment(misc, &mxalign, &myalign); xalign = direction == GTK_TEXT_DIR_LTR ? mxalign : 1.0 - mxalign; xpad = mxpad + (rect->width - extent) * xalign; arrow_rect->x = direction == GTK_TEXT_DIR_LTR ? floor(rect->x + xpad) : ceil(rect->x + xpad); arrow_rect->y = floor(rect->y + mypad + ((rect->height - extent) * myalign)); arrow_rect->width = arrow_rect->height = extent; return MOZ_GTK_SUCCESS; } static gint moz_gtk_scrollbar_button_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkScrollbarButtonFlags flags, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GdkRectangle arrow_rect; gdouble arrow_angle; GtkStyleContext* style; gint arrow_displacement_x, arrow_displacement_y; GtkWidget *scrollbar = GetWidget(flags & MOZ_GTK_STEPPER_VERTICAL ? MOZ_GTK_SCROLLBAR_VERTICAL : MOZ_GTK_SCROLLBAR_HORIZONTAL); gtk_widget_set_direction(scrollbar, direction); if (flags & MOZ_GTK_STEPPER_VERTICAL) { arrow_angle = (flags & MOZ_GTK_STEPPER_DOWN) ? ARROW_DOWN : ARROW_UP; } else { arrow_angle = (flags & MOZ_GTK_STEPPER_DOWN) ? ARROW_RIGHT : ARROW_LEFT; } style = gtk_widget_get_style_context(scrollbar); gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_BUTTON); gtk_style_context_set_state(style, state_flags); if (arrow_angle == ARROW_RIGHT) { gtk_style_context_add_class(style, GTK_STYLE_CLASS_RIGHT); } else if (arrow_angle == ARROW_DOWN) { gtk_style_context_add_class(style, GTK_STYLE_CLASS_BOTTOM); } else if (arrow_angle == ARROW_LEFT) { gtk_style_context_add_class(style, GTK_STYLE_CLASS_LEFT); } else { gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOP); } /* Scrollbar button has to be inset by trough_border because its DOM element * is filling width of vertical scrollbar's track (or height in case * of horizontal scrollbars). */ MozGtkScrollbarMetrics metrics; moz_gtk_get_scrollbar_metrics(&metrics); if (flags & MOZ_GTK_STEPPER_VERTICAL) { rect->x += metrics.trough_border; rect->width = metrics.slider_width; } else { rect->y += metrics.trough_border; rect->height = metrics.slider_width; } gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); arrow_rect.width = rect->width / 2; arrow_rect.height = rect->height / 2; gfloat arrow_scaling; gtk_style_context_get_style(style, "arrow-scaling", &arrow_scaling, NULL); gdouble arrow_size = MIN(rect->width, rect->height) * arrow_scaling; arrow_rect.x = rect->x + (rect->width - arrow_size) / 2; arrow_rect.y = rect->y + (rect->height - arrow_size) / 2; if (state_flags & GTK_STATE_FLAG_ACTIVE) { gtk_style_context_get_style(style, "arrow-displacement-x", &arrow_displacement_x, "arrow-displacement-y", &arrow_displacement_y, NULL); arrow_rect.x += arrow_displacement_x; arrow_rect.y += arrow_displacement_y; } gtk_render_arrow(style, cr, arrow_angle, arrow_rect.x, arrow_rect.y, arrow_size); gtk_style_context_restore(style); return MOZ_GTK_SUCCESS; } static void moz_gtk_update_scrollbar_style(GtkStyleContext* style, WidgetNodeType widget, GtkTextDirection direction) { if (widget == MOZ_GTK_SCROLLBAR_HORIZONTAL) { gtk_style_context_add_class(style, GTK_STYLE_CLASS_BOTTOM); } else { if (direction == GTK_TEXT_DIR_LTR) { gtk_style_context_add_class(style, GTK_STYLE_CLASS_RIGHT); gtk_style_context_remove_class(style, GTK_STYLE_CLASS_LEFT); } else { gtk_style_context_add_class(style, GTK_STYLE_CLASS_LEFT); gtk_style_context_remove_class(style, GTK_STYLE_CLASS_RIGHT); } } } static void moz_gtk_draw_styled_frame(GtkStyleContext* style, cairo_t *cr, GdkRectangle* rect, bool drawFocus) { gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); if (drawFocus) { gtk_render_focus(style, cr, rect->x, rect->y, rect->width, rect->height); } } static gint moz_gtk_scrollbar_trough_paint(WidgetNodeType widget, cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkScrollbarTrackFlags flags, GtkTextDirection direction) { if (flags & MOZ_GTK_TRACK_OPAQUE) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_WINDOW, direction); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); } bool isHorizontal = (widget == MOZ_GTK_SCROLLBAR_HORIZONTAL); GtkStyleContext* style; // Draw all child CSS Nodes for Gtk >= 3.20 if (gtk_check_version(3, 20, 0) == nullptr) { style = ClaimStyleContext(widget, direction); moz_gtk_update_scrollbar_style(style, widget, direction); moz_gtk_draw_styled_frame(style, cr, rect, state->focused); ReleaseStyleContext(style); style = ClaimStyleContext(isHorizontal ? MOZ_GTK_SCROLLBAR_CONTENTS_HORIZONTAL : MOZ_GTK_SCROLLBAR_CONTENTS_VERTICAL, direction); moz_gtk_draw_styled_frame(style, cr, rect, state->focused); ReleaseStyleContext(style); } style = ClaimStyleContext(isHorizontal ? MOZ_GTK_SCROLLBAR_TROUGH_HORIZONTAL : MOZ_GTK_SCROLLBAR_TROUGH_VERTICAL, direction); moz_gtk_draw_styled_frame(style, cr, rect, state->focused); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_scrollbar_thumb_paint(WidgetNodeType widget, cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkBorder margin; GtkStyleContext* style = ClaimStyleContext(widget, direction, state_flags); gtk_style_context_get_margin (style, state_flags, &margin); gtk_render_slider(style, cr, rect->x + margin.left, rect->y + margin.top, rect->width - margin.left - margin.right, rect->height - margin.top - margin.bottom, (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL) ? GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_spin_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_SPINBUTTON, direction); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_spin_updown_paint(cairo_t *cr, GdkRectangle* rect, gboolean isDown, GtkWidgetState* state, GtkTextDirection direction) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_SPINBUTTON, direction, GetStateFlagsFromGtkWidgetState(state)); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); /* hard code these values */ GdkRectangle arrow_rect; arrow_rect.width = 6; arrow_rect.height = 6; arrow_rect.x = rect->x + (rect->width - arrow_rect.width) / 2; arrow_rect.y = rect->y + (rect->height - arrow_rect.height) / 2; arrow_rect.y += isDown ? -1 : 1; gtk_render_arrow(style, cr, isDown ? ARROW_DOWN : ARROW_UP, arrow_rect.x, arrow_rect.y, arrow_rect.width); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } /* See gtk_range_draw() for reference. */ static gint moz_gtk_scale_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkOrientation flags, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); gint x, y, width, height, min_width, min_height; GtkStyleContext* style; GtkBorder margin; moz_gtk_get_scale_metrics(flags, &min_width, &min_height); WidgetNodeType widget = (flags == GTK_ORIENTATION_HORIZONTAL) ? MOZ_GTK_SCALE_TROUGH_HORIZONTAL : MOZ_GTK_SCALE_TROUGH_VERTICAL; style = ClaimStyleContext(widget, direction, state_flags); gtk_style_context_get_margin(style, state_flags, &margin); // Clamp the dimension perpendicular to the direction that the slider crosses // to the minimum size. if (flags == GTK_ORIENTATION_HORIZONTAL) { width = rect->width - (margin.left + margin.right); height = min_height - (margin.top + margin.bottom); x = rect->x + margin.left; y = rect->y + (rect->height - height)/2; } else { width = min_width - (margin.left + margin.right); height = rect->height - (margin.top + margin.bottom); x = rect->x + (rect->width - width)/2; y = rect->y + margin.top; } gtk_render_background(style, cr, x, y, width, height); gtk_render_frame(style, cr, x, y, width, height); if (state->focused) gtk_render_focus(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_scale_thumb_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkOrientation flags, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style; gint thumb_width, thumb_height, x, y; /* determine the thumb size, and position the thumb in the center in the opposite axis */ if (flags == GTK_ORIENTATION_HORIZONTAL) { moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_HORIZONTAL, &thumb_width, &thumb_height); x = rect->x; y = rect->y + (rect->height - thumb_height) / 2; } else { moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_VERTICAL, &thumb_height, &thumb_width); x = rect->x + (rect->width - thumb_width) / 2; y = rect->y; } WidgetNodeType widget = (flags == GTK_ORIENTATION_HORIZONTAL) ? MOZ_GTK_SCALE_THUMB_HORIZONTAL : MOZ_GTK_SCALE_THUMB_VERTICAL; style = ClaimStyleContext(widget, direction, state_flags); gtk_render_slider(style, cr, x, y, thumb_width, thumb_height, flags); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_gripper_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTextDirection direction) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_GRIPPER, direction, GetStateFlagsFromGtkWidgetState(state)); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_hpaned_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_SPLITTER_SEPARATOR_HORIZONTAL, GTK_TEXT_DIR_LTR, GetStateFlagsFromGtkWidgetState(state)); gtk_render_handle(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_vpaned_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_SPLITTER_SEPARATOR_VERTICAL, GTK_TEXT_DIR_LTR, GetStateFlagsFromGtkWidgetState(state)); gtk_render_handle(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } // See gtk_entry_draw() for reference. static gint moz_gtk_entry_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkWidget* widget, GtkTextDirection direction) { gint x = rect->x, y = rect->y, width = rect->width, height = rect->height; GtkStyleContext* style; int draw_focus_outline_only = state->depressed; // NS_THEME_FOCUS_OUTLINE gtk_widget_set_direction(widget, direction); style = gtk_widget_get_style_context(widget); if (draw_focus_outline_only) { // Inflate the given 'rect' with the focus outline size. gint h, v; moz_gtk_get_focus_outline_size(&h, &v); rect->x -= h; rect->width += 2 * h; rect->y -= v; rect->height += 2 * v; width = rect->width; height = rect->height; } /* gtkentry.c uses two windows, one for the entire widget and one for the * text area inside it. The background of both windows is set to the "base" * color of the new state in gtk_entry_state_changed, but only the inner * textarea window uses gtk_paint_flat_box when exposed */ /* This gets us a lovely greyish disabledish look */ gtk_widget_set_sensitive(widget, !state->disabled); gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_ENTRY); /* Now paint the shadow and focus border. * We do like in gtk_entry_draw_frame, we first draw the shadow, a tad * smaller when focused if the focus is not interior, then the focus. */ if (state->focused && !state->disabled) { /* This will get us the lit borders that focused textboxes enjoy on * some themes. */ gtk_style_context_set_state(style, GTK_STATE_FLAG_FOCUSED); } if (state->disabled) { gtk_style_context_set_state(style, GTK_STATE_FLAG_INSENSITIVE); } if (!draw_focus_outline_only) { gtk_render_background(style, cr, x, y, width, height); } gtk_render_frame(style, cr, x, y, width, height); gtk_style_context_restore(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_text_view_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style_frame = ClaimStyleContext(MOZ_GTK_SCROLLED_WINDOW, direction, state_flags); gtk_render_frame(style_frame, cr, rect->x, rect->y, rect->width, rect->height); GtkBorder border, padding; gtk_style_context_get_border(style_frame, state_flags, &border); gtk_style_context_get_padding(style_frame, state_flags, &padding); ReleaseStyleContext(style_frame); GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_TEXT_VIEW, direction, state_flags); gint xthickness = border.left + padding.left; gint ythickness = border.top + padding.top; gtk_render_background(style, cr, rect->x + xthickness, rect->y + ythickness, rect->width - 2 * xthickness, rect->height - 2 * ythickness); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_treeview_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTextDirection direction) { gint xthickness, ythickness; GtkStyleContext *style; GtkStyleContext *style_tree; GtkStateFlags state_flags; GtkBorder border; /* only handle disabled and normal states, otherwise the whole background * area will be painted differently with other states */ state_flags = state->disabled ? GTK_STATE_FLAG_INSENSITIVE : GTK_STATE_FLAG_NORMAL; style = ClaimStyleContext(MOZ_GTK_SCROLLED_WINDOW, direction); gtk_style_context_get_border(style, state_flags, &border); xthickness = border.left; ythickness = border.top; ReleaseStyleContext(style); style_tree = ClaimStyleContext(MOZ_GTK_TREEVIEW_VIEW, direction); gtk_render_background(style_tree, cr, rect->x + xthickness, rect->y + ythickness, rect->width - 2 * xthickness, rect->height - 2 * ythickness); ReleaseStyleContext(style_tree); style = ClaimStyleContext(MOZ_GTK_SCROLLED_WINDOW, direction); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_tree_header_cell_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, gboolean isSorted, GtkTextDirection direction) { moz_gtk_button_paint(cr, rect, state, GTK_RELIEF_NORMAL, GetWidget(MOZ_GTK_TREE_HEADER_CELL), direction); return MOZ_GTK_SUCCESS; } static gint moz_gtk_tree_header_sort_arrow_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkArrowType arrow_type, GtkTextDirection direction) { GdkRectangle arrow_rect; gdouble arrow_angle; GtkStyleContext* style; /* hard code these values */ arrow_rect.width = 11; arrow_rect.height = 11; arrow_rect.x = rect->x + (rect->width - arrow_rect.width) / 2; arrow_rect.y = rect->y + (rect->height - arrow_rect.height) / 2; style = ClaimStyleContext(MOZ_GTK_TREE_HEADER_SORTARROW, direction, GetStateFlagsFromGtkWidgetState(state)); switch (arrow_type) { case GTK_ARROW_LEFT: arrow_angle = ARROW_LEFT; break; case GTK_ARROW_RIGHT: arrow_angle = ARROW_RIGHT; break; case GTK_ARROW_DOWN: arrow_angle = ARROW_DOWN; break; default: arrow_angle = ARROW_UP; break; } if (arrow_type != GTK_ARROW_NONE) gtk_render_arrow(style, cr, arrow_angle, arrow_rect.x, arrow_rect.y, arrow_rect.width); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } /* See gtk_expander_paint() for reference. */ static gint moz_gtk_treeview_expander_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkExpanderStyle expander_state, GtkTextDirection direction) { /* Because the frame we get is of the entire treeview, we can't get the precise * event state of one expander, thus rendering hover and active feedback useless. */ GtkStateFlags state_flags = state->disabled ? GTK_STATE_FLAG_INSENSITIVE : GTK_STATE_FLAG_NORMAL; /* GTK_STATE_FLAG_ACTIVE controls expanded/colapsed state rendering * in gtk_render_expander() */ if (expander_state == GTK_EXPANDER_EXPANDED) state_flags = static_cast(state_flags|checkbox_check_state); else state_flags = static_cast(state_flags&~(checkbox_check_state)); GtkStyleContext *style = ClaimStyleContext(MOZ_GTK_TREEVIEW_EXPANDER, direction, state_flags); gtk_render_expander(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } /* See gtk_separator_draw() for reference. */ static gint moz_gtk_combo_box_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTextDirection direction) { GdkRectangle arrow_rect, real_arrow_rect; gint separator_width; gboolean wide_separators; GtkStyleContext* style; GtkRequisition arrow_req; ensure_combo_box_widgets(); /* Also sets the direction on gComboBoxButtonWidget, which is then * inherited by the separator and arrow */ moz_gtk_button_paint(cr, rect, state, GTK_RELIEF_NORMAL, gComboBoxButtonWidget, direction); calculate_button_inner_rect(gComboBoxButtonWidget, rect, &arrow_rect, direction); /* Now arrow_rect contains the inner rect ; we want to correct the width * to what the arrow needs (see gtk_combo_box_size_allocate) */ gtk_widget_get_preferred_size(gComboBoxArrowWidget, NULL, &arrow_req); if (direction == GTK_TEXT_DIR_LTR) arrow_rect.x += arrow_rect.width - arrow_req.width; arrow_rect.width = arrow_req.width; calculate_arrow_rect(gComboBoxArrowWidget, &arrow_rect, &real_arrow_rect, direction); style = gtk_widget_get_style_context(gComboBoxArrowWidget); gtk_render_arrow(style, cr, ARROW_DOWN, real_arrow_rect.x, real_arrow_rect.y, real_arrow_rect.width); /* If there is no separator in the theme, there's nothing left to do. */ if (!gComboBoxSeparatorWidget) return MOZ_GTK_SUCCESS; style = gtk_widget_get_style_context(gComboBoxSeparatorWidget); gtk_style_context_get_style(style, "wide-separators", &wide_separators, "separator-width", &separator_width, NULL); if (wide_separators) { if (direction == GTK_TEXT_DIR_LTR) arrow_rect.x -= separator_width; else arrow_rect.x += arrow_rect.width; gtk_render_frame(style, cr, arrow_rect.x, arrow_rect.y, separator_width, arrow_rect.height); } else { if (direction == GTK_TEXT_DIR_LTR) { GtkBorder padding; GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); gtk_style_context_get_padding(style, state_flags, &padding); arrow_rect.x -= padding.left; } else arrow_rect.x += arrow_rect.width; gtk_render_line(style, cr, arrow_rect.x, arrow_rect.y, arrow_rect.x, arrow_rect.y + arrow_rect.height); } return MOZ_GTK_SUCCESS; } static gint moz_gtk_arrow_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkArrowType arrow_type, GtkTextDirection direction) { GdkRectangle arrow_rect; gdouble arrow_angle; if (direction == GTK_TEXT_DIR_RTL) { arrow_type = (arrow_type == GTK_ARROW_LEFT) ? GTK_ARROW_RIGHT : GTK_ARROW_LEFT; } switch (arrow_type) { case GTK_ARROW_LEFT: arrow_angle = ARROW_LEFT; break; case GTK_ARROW_RIGHT: arrow_angle = ARROW_RIGHT; break; case GTK_ARROW_DOWN: arrow_angle = ARROW_DOWN; break; default: arrow_angle = ARROW_UP; break; } if (arrow_type == GTK_ARROW_NONE) return MOZ_GTK_SUCCESS; calculate_arrow_rect(GetWidget(MOZ_GTK_BUTTON_ARROW), rect, &arrow_rect, direction); GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_BUTTON_ARROW, direction, state_flags); gtk_render_arrow(style, cr, arrow_angle, arrow_rect.x, arrow_rect.y, arrow_rect.width); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_combo_box_entry_button_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, gboolean input_focus, GtkTextDirection direction) { gint x_displacement, y_displacement; GdkRectangle arrow_rect, real_arrow_rect; GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style; ensure_combo_box_entry_widgets(); moz_gtk_button_paint(cr, rect, state, GTK_RELIEF_NORMAL, gComboBoxEntryButtonWidget, direction); calculate_button_inner_rect(gComboBoxEntryButtonWidget, rect, &arrow_rect, direction); if (state_flags & GTK_STATE_FLAG_ACTIVE) { gtk_style_context_get_style(gtk_widget_get_style_context(gComboBoxEntryButtonWidget), "child-displacement-x", &x_displacement, "child-displacement-y", &y_displacement, NULL); arrow_rect.x += x_displacement; arrow_rect.y += y_displacement; } calculate_arrow_rect(gComboBoxEntryArrowWidget, &arrow_rect, &real_arrow_rect, direction); style = gtk_widget_get_style_context(gComboBoxEntryArrowWidget); gtk_render_arrow(style, cr, ARROW_DOWN, real_arrow_rect.x, real_arrow_rect.y, real_arrow_rect.width); return MOZ_GTK_SUCCESS; } static gint moz_gtk_container_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, WidgetNodeType widget_type, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style = ClaimStyleContext(widget_type, direction, state_flags); /* this is for drawing a prelight box */ if (state_flags & GTK_STATE_FLAG_PRELIGHT) { gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); } ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_toggle_label_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, gboolean isradio, GtkTextDirection direction) { if (!state->focused) return MOZ_GTK_SUCCESS; GtkStyleContext *style = ClaimStyleContext(isradio ? MOZ_GTK_RADIOBUTTON_CONTAINER : MOZ_GTK_CHECKBUTTON_CONTAINER, direction, GetStateFlagsFromGtkWidgetState(state)); gtk_render_focus(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_toolbar_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_TOOLBAR, direction); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } /* See _gtk_toolbar_paint_space_line() for reference. */ static gint moz_gtk_toolbar_separator_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { gint separator_width; gint paint_width; gboolean wide_separators; /* Defined as constants in GTK+ 2.10.14 */ const double start_fraction = 0.2; const double end_fraction = 0.8; GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_TOOLBAR); gtk_style_context_get_style(style, "wide-separators", &wide_separators, "separator-width", &separator_width, NULL); ReleaseStyleContext(style); style = ClaimStyleContext(MOZ_GTK_TOOLBAR_SEPARATOR, direction); if (wide_separators) { if (separator_width > rect->width) separator_width = rect->width; gtk_render_frame(style, cr, rect->x + (rect->width - separator_width) / 2, rect->y + rect->height * start_fraction, separator_width, rect->height * (end_fraction - start_fraction)); } else { GtkBorder padding; gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding); paint_width = padding.left; if (paint_width > rect->width) paint_width = rect->width; gtk_render_line(style, cr, rect->x + (rect->width - paint_width) / 2, rect->y + rect->height * start_fraction, rect->x + (rect->width - paint_width) / 2, rect->y + rect->height * end_fraction); } ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_tooltip_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_TOOLTIP, direction); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_resizer_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTextDirection direction) { GtkStyleContext* style; // gtk_render_handle() draws a background, so use GtkTextView and its // GTK_STYLE_CLASS_VIEW to match the background with textarea elements. // The resizer is drawn with shaded variants of the background color, and // so a transparent background would lead to a transparent resizer. style = ClaimStyleContext(MOZ_GTK_TEXT_VIEW, GTK_TEXT_DIR_LTR, GetStateFlagsFromGtkWidgetState(state)); // TODO - we need to save/restore style when gtk 3.20 CSS node path // is used gtk_style_context_add_class(style, GTK_STYLE_CLASS_GRIP); // Workaround unico not respecting the text direction for resizers. // See bug 1174248. cairo_save(cr); if (direction == GTK_TEXT_DIR_RTL) { cairo_matrix_t mat; cairo_matrix_init_translate(&mat, 2 * rect->x + rect->width, 0); cairo_matrix_scale(&mat, -1, 1); cairo_transform(cr, &mat); } gtk_render_handle(style, cr, rect->x, rect->y, rect->width, rect->height); cairo_restore(cr); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_frame_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_FRAME, direction); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_progressbar_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_PROGRESS_TROUGH, direction); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_progress_chunk_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction, WidgetNodeType widget) { GtkStyleContext* style; if (gtk_check_version(3, 20, 0) != nullptr) { /* Ask for MOZ_GTK_PROGRESS_TROUGH instead of MOZ_GTK_PROGRESSBAR * because ClaimStyleContext() saves/restores that style */ style = ClaimStyleContext(MOZ_GTK_PROGRESS_TROUGH, direction); gtk_style_context_remove_class(style, GTK_STYLE_CLASS_TROUGH); gtk_style_context_add_class(style, GTK_STYLE_CLASS_PROGRESSBAR); } else { style = ClaimStyleContext(MOZ_GTK_PROGRESS_CHUNK, direction); } if (widget == MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE || widget == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE) { /** * The bar's size and the bar speed are set depending of the progress' * size. These could also be constant for all progress bars easily. */ gboolean vertical = (widget == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE); /* The size of the dimension we are going to use for the animation. */ const gint progressSize = vertical ? rect->height : rect->width; /* The bar is using a fifth of the element size, based on GtkProgressBar * activity-blocks property. */ const gint barSize = MAX(1, progressSize / 5); /* Represents the travel that has to be done for a complete cycle. */ const gint travel = 2 * (progressSize - barSize); /* period equals to travel / pixelsPerMillisecond * where pixelsPerMillisecond equals progressSize / 1000.0. * This is equivalent to 1600. */ static const guint period = 1600; const gint t = PR_IntervalToMilliseconds(PR_IntervalNow()) % period; const gint dx = travel * t / period; if (vertical) { rect->y += (dx < travel / 2) ? dx : travel - dx; rect->height = barSize; } else { rect->x += (dx < travel / 2) ? dx : travel - dx; rect->width = barSize; } } // gtk_render_activity was used to render progress chunks on GTK versions // before 3.13.7, see bug 1173907. if (!gtk_check_version(3, 13, 7)) { gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); } else { gtk_render_activity(style, cr, rect->x, rect->y, rect->width, rect->height); } ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } gint moz_gtk_get_tab_thickness(void) { GtkBorder border; GtkStyleContext * style; ensure_tab_widget(); if (!notebook_has_tab_gap) return 0; /* tabs do not overdraw the tabpanel border with "no gap" style */ style = gtk_widget_get_style_context(gTabWidget); gtk_style_context_add_class(style, GTK_STYLE_CLASS_NOTEBOOK); gtk_style_context_get_border(style, GTK_STATE_FLAG_NORMAL, &border); if (border.top < 2) return 2; /* some themes don't set ythickness correctly */ return border.top; } static void moz_gtk_tab_prepare_style_context(GtkStyleContext *style, GtkTabFlags flags) { gtk_style_context_set_state(style, ((flags & MOZ_GTK_TAB_SELECTED) == 0) ? GTK_STATE_FLAG_NORMAL : GTK_STATE_FLAG_ACTIVE); gtk_style_context_add_region(style, GTK_STYLE_REGION_TAB, (flags & MOZ_GTK_TAB_FIRST) ? GTK_REGION_FIRST : static_cast(0)); gtk_style_context_add_class(style, (flags & MOZ_GTK_TAB_BOTTOM) ? GTK_STYLE_CLASS_BOTTOM : GTK_STYLE_CLASS_TOP); } /* actual small tabs */ static gint moz_gtk_tab_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTabFlags flags, GtkTextDirection direction) { /* When the tab isn't selected, we just draw a notebook extension. * When it is selected, we overwrite the adjacent border of the tabpanel * touching the tab with a pierced border (called "the gap") to make the * tab appear physically attached to the tabpanel; see details below. */ GtkStyleContext* style; GdkRectangle tabRect; GdkRectangle focusRect; GdkRectangle backRect; int initial_gap = 0; ensure_tab_widget(); gtk_widget_set_direction(gTabWidget, direction); style = gtk_widget_get_style_context(gTabWidget); gtk_style_context_save(style); moz_gtk_tab_prepare_style_context(style, flags); tabRect = *rect; if (flags & MOZ_GTK_TAB_FIRST) { gtk_style_context_get_style(style, "initial-gap", &initial_gap, NULL); tabRect.width -= initial_gap; if (direction != GTK_TEXT_DIR_RTL) { tabRect.x += initial_gap; } } focusRect = backRect = tabRect; if (notebook_has_tab_gap) { if ((flags & MOZ_GTK_TAB_SELECTED) == 0) { /* Only draw the tab */ gtk_render_extension(style, cr, tabRect.x, tabRect.y, tabRect.width, tabRect.height, (flags & MOZ_GTK_TAB_BOTTOM) ? GTK_POS_TOP : GTK_POS_BOTTOM ); } else { /* Draw the tab and the gap * We want the gap to be positioned exactly on the tabpanel top * border; since tabbox.css may set a negative margin so that the tab * frame rect already overlaps the tabpanel frame rect, we need to take * that into account when drawing. To that effect, nsNativeThemeGTK * passes us this negative margin (bmargin in the graphic below) in the * lowest bits of |flags|. We use it to set gap_voffset, the distance * between the top of the gap and the bottom of the tab (resp. the * bottom of the gap and the top of the tab when we draw a bottom tab), * while ensuring that the gap always touches the border of the tab, * i.e. 0 <= gap_voffset <= gap_height, to avoid surprinsing results * with big negative or positive margins. * Here is a graphical explanation in the case of top tabs: * ___________________________ * / \ * | T A B | * ----------|. . . . . . . . . . . . . . .|----- top of tabpanel * : ^ bmargin : ^ * : | (-negative margin, : | * bottom : v passed in flags) : | gap_height * of -> :.............................: | (the size of the * the tab . part of the gap . | tabpanel top border) * . outside of the tab . v * ---------------------------------------------- * * To draw the gap, we use gtk_paint_box_gap(), see comment in * moz_gtk_tabpanels_paint(). This box_gap is made 3 * gap_height tall, * which should suffice to ensure that the only visible border is the * pierced one. If the tab is in the middle, we make the box_gap begin * a bit to the left of the tab and end a bit to the right, adjusting * the gap position so it still is under the tab, because we want the * rendering of a gap in the middle of a tabpanel. This is the role of * the gints gap_{l,r}_offset. On the contrary, if the tab is the * first, we align the start border of the box_gap with the start * border of the tab (left if LTR, right if RTL), by setting the * appropriate offset to 0.*/ gint gap_loffset, gap_roffset, gap_voffset, gap_height; /* Get height needed by the gap */ gap_height = moz_gtk_get_tab_thickness(); /* Extract gap_voffset from the first bits of flags */ gap_voffset = flags & MOZ_GTK_TAB_MARGIN_MASK; if (gap_voffset > gap_height) gap_voffset = gap_height; /* Set gap_{l,r}_offset to appropriate values */ gap_loffset = gap_roffset = 20; /* should be enough */ if (flags & MOZ_GTK_TAB_FIRST) { if (direction == GTK_TEXT_DIR_RTL) gap_roffset = initial_gap; else gap_loffset = initial_gap; } if (flags & MOZ_GTK_TAB_BOTTOM) { /* Draw the tab on bottom */ focusRect.y += gap_voffset; focusRect.height -= gap_voffset; gtk_render_extension(style, cr, tabRect.x, tabRect.y + gap_voffset, tabRect.width, tabRect.height - gap_voffset, GTK_POS_TOP); gtk_style_context_remove_region(style, GTK_STYLE_REGION_TAB); backRect.y += (gap_voffset - gap_height); backRect.height = gap_height; /* Draw the gap; erase with background color before painting in * case theme does not */ gtk_render_background(style, cr, backRect.x, backRect.y, backRect.width, backRect.height); cairo_save(cr); cairo_rectangle(cr, backRect.x, backRect.y, backRect.width, backRect.height); cairo_clip(cr); gtk_render_frame_gap(style, cr, tabRect.x - gap_loffset, tabRect.y + gap_voffset - 3 * gap_height, tabRect.width + gap_loffset + gap_roffset, 3 * gap_height, GTK_POS_BOTTOM, gap_loffset, gap_loffset + tabRect.width); cairo_restore(cr); } else { /* Draw the tab on top */ focusRect.height -= gap_voffset; gtk_render_extension(style, cr, tabRect.x, tabRect.y, tabRect.width, tabRect.height - gap_voffset, GTK_POS_BOTTOM); gtk_style_context_remove_region(style, GTK_STYLE_REGION_TAB); backRect.y += (tabRect.height - gap_voffset); backRect.height = gap_height; /* Draw the gap; erase with background color before painting in * case theme does not */ gtk_render_background(style, cr, backRect.x, backRect.y, backRect.width, backRect.height); cairo_save(cr); cairo_rectangle(cr, backRect.x, backRect.y, backRect.width, backRect.height); cairo_clip(cr); gtk_render_frame_gap(style, cr, tabRect.x - gap_loffset, tabRect.y + tabRect.height - gap_voffset, tabRect.width + gap_loffset + gap_roffset, 3 * gap_height, GTK_POS_TOP, gap_loffset, gap_loffset + tabRect.width); cairo_restore(cr); } } } else { gtk_render_background(style, cr, tabRect.x, tabRect.y, tabRect.width, tabRect.height); gtk_render_frame(style, cr, tabRect.x, tabRect.y, tabRect.width, tabRect.height); } gtk_style_context_restore(style); if (state->focused) { /* Paint the focus ring */ GtkBorder padding; gtk_style_context_save(style); moz_gtk_tab_prepare_style_context(style, flags); gtk_style_context_get_padding(style, GetStateFlagsFromGtkWidgetState(state), &padding); focusRect.x += padding.left; focusRect.width -= (padding.left + padding.right); focusRect.y += padding.top; focusRect.height -= (padding.top + padding.bottom); gtk_render_focus(style, cr, focusRect.x, focusRect.y, focusRect.width, focusRect.height); gtk_style_context_restore(style); } return MOZ_GTK_SUCCESS; } /* tab area*/ static gint moz_gtk_tabpanels_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style; ensure_tab_widget(); gtk_widget_set_direction(gTabWidget, direction); style = gtk_widget_get_style_context(gTabWidget); gtk_style_context_save(style); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); /* * The gap size is not needed in moz_gtk_tabpanels_paint because * the gap will be painted with the foreground tab in moz_gtk_tab_paint. * * However, if moz_gtk_tabpanels_paint just uses gtk_render_frame(), * the theme will think that there are no tabs and may draw something * different.Hence the trick of using two clip regions, and drawing the * gap outside each clip region, to get the correct frame for * a tabpanel with tabs. */ /* left side */ cairo_save(cr); cairo_rectangle(cr, rect->x, rect->y, rect->x + rect->width / 2, rect->y + rect->height); cairo_clip(cr); gtk_render_frame_gap(style, cr, rect->x, rect->y, rect->width, rect->height, GTK_POS_TOP, rect->width - 1, rect->width); cairo_restore(cr); /* right side */ cairo_save(cr); cairo_rectangle(cr, rect->x + rect->width / 2, rect->y, rect->x + rect->width, rect->y + rect->height); cairo_clip(cr); gtk_render_frame_gap(style, cr, rect->x, rect->y, rect->width, rect->height, GTK_POS_TOP, 0, 1); cairo_restore(cr); gtk_style_context_restore(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_tab_scroll_arrow_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkArrowType arrow_type, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style; gdouble arrow_angle; gint arrow_size = MIN(rect->width, rect->height); gint x = rect->x + (rect->width - arrow_size) / 2; gint y = rect->y + (rect->height - arrow_size) / 2; ensure_tab_widget(); style = gtk_widget_get_style_context(gTabWidget); gtk_style_context_save(style); if (direction == GTK_TEXT_DIR_RTL) { arrow_type = (arrow_type == GTK_ARROW_LEFT) ? GTK_ARROW_RIGHT : GTK_ARROW_LEFT; } switch (arrow_type) { case GTK_ARROW_LEFT: arrow_angle = ARROW_LEFT; break; case GTK_ARROW_RIGHT: arrow_angle = ARROW_RIGHT; break; case GTK_ARROW_DOWN: arrow_angle = ARROW_DOWN; break; default: arrow_angle = ARROW_UP; break; } if (arrow_type != GTK_ARROW_NONE) { gtk_style_context_add_class(style, GTK_STYLE_CLASS_NOTEBOOK); /* TODO TEST */ gtk_style_context_set_state(style, state_flags); gtk_render_arrow(style, cr, arrow_angle, x, y, arrow_size); } gtk_style_context_restore(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_menu_bar_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style; GtkWidget* widget = GetWidget(MOZ_GTK_MENUBAR); gtk_widget_set_direction(widget, direction); style = gtk_widget_get_style_context(widget); gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENUBAR); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_style_context_restore(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_menu_popup_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style; GtkWidget* widget = GetWidget(MOZ_GTK_MENUPOPUP); gtk_widget_set_direction(widget, direction); // Draw a backing toplevel. This fixes themes that don't provide a menu // background, and depend on the GtkMenu's implementation window to provide it. moz_gtk_window_paint(cr, rect, direction); style = gtk_widget_get_style_context(widget); gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENU); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_style_context_restore(style); return MOZ_GTK_SUCCESS; } // See gtk_menu_item_draw() for reference. static gint moz_gtk_menu_separator_paint(cairo_t *cr, GdkRectangle* rect, GtkTextDirection direction) { GtkStyleContext* style; gboolean wide_separators; gint separator_height; guint border_width; gint x, y, w; GtkBorder padding; border_width = gtk_container_get_border_width(GTK_CONTAINER( GetWidget(MOZ_GTK_MENUSEPARATOR))); style = ClaimStyleContext(MOZ_GTK_MENUSEPARATOR, direction); gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding); x = rect->x + border_width; y = rect->y + border_width; w = rect->width - border_width * 2; gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_SEPARATOR); gtk_style_context_get_style(style, "wide-separators", &wide_separators, "separator-height", &separator_height, NULL); if (wide_separators) { gtk_render_frame(style, cr, x + padding.left, y + padding.top, w - padding.left - padding.right, separator_height); } else { gtk_render_line(style, cr, x + padding.left, y + padding.top, x + w - padding.right - 1, y + padding.top); } gtk_style_context_restore(style); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } // See gtk_menu_item_draw() for reference. static gint moz_gtk_menu_item_paint(WidgetNodeType widget, cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTextDirection direction) { gint x, y, w, h; if (state->inHover && !state->disabled) { guint border_width = gtk_container_get_border_width(GTK_CONTAINER(GetWidget(widget))); GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style = ClaimStyleContext(widget, direction, state_flags); bool pre_3_6 = gtk_check_version(3, 6, 0) != nullptr; if (pre_3_6) { // GTK+ 3.4 saves the style context and adds the menubar class to // menubar children, but does each of these only when drawing, not // during layout. gtk_style_context_save(style); if (widget == MOZ_GTK_MENUBARITEM) { gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENUBAR); } } x = rect->x + border_width; y = rect->y + border_width; w = rect->width - border_width * 2; h = rect->height - border_width * 2; gtk_render_background(style, cr, x, y, w, h); gtk_render_frame(style, cr, x, y, w, h); if (pre_3_6) { gtk_style_context_restore(style); } ReleaseStyleContext(style); } return MOZ_GTK_SUCCESS; } static gint moz_gtk_menu_arrow_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_MENUITEM, direction, state_flags); gtk_render_arrow(style, cr, (direction == GTK_TEXT_DIR_LTR) ? ARROW_RIGHT : ARROW_LEFT, rect->x, rect->y, rect->width); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } // See gtk_real_check_menu_item_draw_indicator() for reference. static gint moz_gtk_check_menu_item_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, gboolean checked, gboolean isradio, GtkTextDirection direction) { GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state); GtkStyleContext* style; GtkBorder padding; gint offset; gint indicator_size, horizontal_padding; gint x, y; moz_gtk_menu_item_paint(MOZ_GTK_MENUITEM, cr, rect, state, direction); if (checked) { state_flags = static_cast(state_flags|checkbox_check_state); } style = ClaimStyleContext(isradio ? MOZ_GTK_RADIOMENUITEM_CONTAINER : MOZ_GTK_CHECKMENUITEM_CONTAINER, direction); gtk_style_context_get_style(style, "indicator-size", &indicator_size, "horizontal-padding", &horizontal_padding, NULL); ReleaseStyleContext(style); style = ClaimStyleContext(isradio ? MOZ_GTK_RADIOMENUITEM : MOZ_GTK_CHECKMENUITEM, direction, state_flags); gtk_style_context_get_padding(style, state_flags, &padding); offset = gtk_container_get_border_width(GTK_CONTAINER( GetWidget(MOZ_GTK_CHECKMENUITEM_CONTAINER))); offset += padding.left + 2; if (direction == GTK_TEXT_DIR_RTL) { x = rect->width - indicator_size - offset - horizontal_padding; } else { x = rect->x + offset + horizontal_padding; } y = rect->y + (rect->height - indicator_size) / 2; if (gtk_check_version(3, 20, 0) == nullptr) { gtk_render_background(style, cr, x, y, indicator_size, indicator_size); gtk_render_frame(style, cr, x, y, indicator_size, indicator_size); } if (isradio) { gtk_render_option(style, cr, x, y, indicator_size, indicator_size); } else { gtk_render_check(style, cr, x, y, indicator_size, indicator_size); } ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static gint moz_gtk_info_bar_paint(cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state) { GtkStyleContext *style = ClaimStyleContext(MOZ_GTK_INFO_BAR, GTK_TEXT_DIR_LTR, GetStateFlagsFromGtkWidgetState(state)); gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height); gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } static void moz_gtk_add_style_border(GtkStyleContext* style, gint* left, gint* top, gint* right, gint* bottom) { GtkBorder border; gtk_style_context_get_border(style, GTK_STATE_FLAG_NORMAL, &border); *left += border.left; *right += border.right; *top += border.top; *bottom += border.bottom; } static void moz_gtk_add_style_padding(GtkStyleContext* style, gint* left, gint* top, gint* right, gint* bottom) { GtkBorder padding; gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding); *left += padding.left; *right += padding.right; *top += padding.top; *bottom += padding.bottom; } gint moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top, gint* right, gint* bottom, GtkTextDirection direction, gboolean inhtml) { GtkWidget* w; GtkStyleContext* style; *left = *top = *right = *bottom = 0; switch (widget) { case MOZ_GTK_BUTTON: case MOZ_GTK_TOOLBAR_BUTTON: { style = ClaimStyleContext(MOZ_GTK_BUTTON); *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(GetWidget(MOZ_GTK_BUTTON))); if (widget == MOZ_GTK_TOOLBAR_BUTTON) { gtk_style_context_save(style); gtk_style_context_add_class(style, "image-button"); } moz_gtk_add_style_padding(style, left, top, right, bottom); if (widget == MOZ_GTK_TOOLBAR_BUTTON) gtk_style_context_restore(style); // XXX: Subtract 1 pixel from the border to account for the added // -moz-focus-inner border (Bug 1228281). *left -= 1; *top -= 1; *right -= 1; *bottom -= 1; moz_gtk_add_style_border(style, left, top, right, bottom); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } case MOZ_GTK_ENTRY: { style = ClaimStyleContext(MOZ_GTK_ENTRY); // XXX: Subtract 1 pixel from the padding to account for the default // padding in forms.css. See bug 1187385. *left = *top = *right = *bottom = -1; moz_gtk_add_style_padding(style, left, top, right, bottom); moz_gtk_add_style_border(style, left, top, right, bottom); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } case MOZ_GTK_TEXT_VIEW: case MOZ_GTK_TREEVIEW: { style = ClaimStyleContext(MOZ_GTK_SCROLLED_WINDOW); moz_gtk_add_style_border(style, left, top, right, bottom); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } case MOZ_GTK_TREE_HEADER_CELL: { /* A Tree Header in GTK is just a different styled button * It must be placed in a TreeView for getting the correct style * assigned. * That is why the following code is the same as for MOZ_GTK_BUTTON. * */ *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER( GetWidget(MOZ_GTK_TREE_HEADER_CELL))); style = ClaimStyleContext(MOZ_GTK_TREE_HEADER_CELL); moz_gtk_add_style_border(style, left, top, right, bottom); moz_gtk_add_style_padding(style, left, top, right, bottom); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } case MOZ_GTK_TREE_HEADER_SORTARROW: w = GetWidget(MOZ_GTK_TREE_HEADER_SORTARROW); break; case MOZ_GTK_DROPDOWN_ENTRY: ensure_combo_box_entry_widgets(); w = gComboBoxEntryTextareaWidget; break; case MOZ_GTK_DROPDOWN_ARROW: ensure_combo_box_entry_widgets(); w = gComboBoxEntryButtonWidget; break; case MOZ_GTK_DROPDOWN: { /* We need to account for the arrow on the dropdown, so text * doesn't come too close to the arrow, or in some cases spill * into the arrow. */ gboolean wide_separators; gint separator_width; GtkRequisition arrow_req; GtkBorder border; ensure_combo_box_widgets(); *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(gComboBoxButtonWidget)); style = gtk_widget_get_style_context(gComboBoxButtonWidget); moz_gtk_add_style_padding(style, left, top, right, bottom); moz_gtk_add_style_border(style, left, top, right, bottom); /* If there is no separator, don't try to count its width. */ separator_width = 0; if (gComboBoxSeparatorWidget) { style = gtk_widget_get_style_context(gComboBoxSeparatorWidget); gtk_style_context_get_style(style, "wide-separators", &wide_separators, "separator-width", &separator_width, NULL); if (!wide_separators) { gtk_style_context_get_border(style, GTK_STATE_FLAG_NORMAL, &border); separator_width = border.left; } } gtk_widget_get_preferred_size(gComboBoxArrowWidget, NULL, &arrow_req); if (direction == GTK_TEXT_DIR_RTL) *left += separator_width + arrow_req.width; else *right += separator_width + arrow_req.width; return MOZ_GTK_SUCCESS; } case MOZ_GTK_TABPANELS: ensure_tab_widget(); w = gTabWidget; break; case MOZ_GTK_PROGRESSBAR: w = GetWidget(MOZ_GTK_PROGRESSBAR); break; case MOZ_GTK_SPINBUTTON_ENTRY: case MOZ_GTK_SPINBUTTON_UP: case MOZ_GTK_SPINBUTTON_DOWN: w = GetWidget(MOZ_GTK_SPINBUTTON); break; case MOZ_GTK_SCALE_HORIZONTAL: case MOZ_GTK_SCALE_VERTICAL: w = GetWidget(widget); break; case MOZ_GTK_FRAME: w = GetWidget(MOZ_GTK_FRAME); break; case MOZ_GTK_CHECKBUTTON_CONTAINER: case MOZ_GTK_RADIOBUTTON_CONTAINER: { w = GetWidget(widget); style = gtk_widget_get_style_context(w); *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(w)); moz_gtk_add_style_border(style, left, top, right, bottom); moz_gtk_add_style_padding(style, left, top, right, bottom); return MOZ_GTK_SUCCESS; } case MOZ_GTK_MENUPOPUP: w = GetWidget(MOZ_GTK_MENUPOPUP); break; case MOZ_GTK_MENUBARITEM: case MOZ_GTK_MENUITEM: case MOZ_GTK_CHECKMENUITEM: case MOZ_GTK_RADIOMENUITEM: { if (widget == MOZ_GTK_MENUBARITEM || widget == MOZ_GTK_MENUITEM) { // Bug 1274143 for MOZ_GTK_MENUBARITEM w = GetWidget(MOZ_GTK_MENUITEM); } else { w = GetWidget(MOZ_GTK_CHECKMENUITEM_CONTAINER); } *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(w)); moz_gtk_add_style_padding(gtk_widget_get_style_context(w), left, top, right, bottom); return MOZ_GTK_SUCCESS; } case MOZ_GTK_INFO_BAR: w = GetWidget(MOZ_GTK_INFO_BAR); break; case MOZ_GTK_TOOLTIP: { style = ClaimStyleContext(MOZ_GTK_TOOLTIP); moz_gtk_add_style_border(style, left, top, right, bottom); moz_gtk_add_style_padding(style, left, top, right, bottom); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } /* These widgets have no borders, since they are not containers. */ case MOZ_GTK_CHECKBUTTON_LABEL: case MOZ_GTK_RADIOBUTTON_LABEL: case MOZ_GTK_SPLITTER_HORIZONTAL: case MOZ_GTK_SPLITTER_VERTICAL: case MOZ_GTK_CHECKBUTTON: case MOZ_GTK_RADIOBUTTON: case MOZ_GTK_SCROLLBAR_BUTTON: case MOZ_GTK_SCROLLBAR_HORIZONTAL: case MOZ_GTK_SCROLLBAR_VERTICAL: case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL: case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL: case MOZ_GTK_SCALE_THUMB_HORIZONTAL: case MOZ_GTK_SCALE_THUMB_VERTICAL: case MOZ_GTK_GRIPPER: case MOZ_GTK_PROGRESS_CHUNK: case MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE: case MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE: case MOZ_GTK_TREEVIEW_EXPANDER: case MOZ_GTK_TOOLBAR_SEPARATOR: case MOZ_GTK_MENUSEPARATOR: /* These widgets have no borders.*/ case MOZ_GTK_SPINBUTTON: case MOZ_GTK_WINDOW: case MOZ_GTK_RESIZER: case MOZ_GTK_MENUARROW: case MOZ_GTK_TOOLBARBUTTON_ARROW: case MOZ_GTK_TOOLBAR: case MOZ_GTK_MENUBAR: case MOZ_GTK_TAB_SCROLLARROW: return MOZ_GTK_SUCCESS; default: g_warning("Unsupported widget type: %d", widget); return MOZ_GTK_UNKNOWN_WIDGET; } /* TODO - we're still missing some widget implementations */ if (w) { moz_gtk_add_style_border(gtk_widget_get_style_context(w), left, top, right, bottom); } return MOZ_GTK_SUCCESS; } gint moz_gtk_get_tab_border(gint* left, gint* top, gint* right, gint* bottom, GtkTextDirection direction, GtkTabFlags flags) { GtkStyleContext* style; int tab_curvature; ensure_tab_widget(); style = gtk_widget_get_style_context(gTabWidget); gtk_style_context_save(style); moz_gtk_tab_prepare_style_context(style, flags); *left = *top = *right = *bottom = 0; moz_gtk_add_style_padding(style, left, top, right, bottom); gtk_style_context_get_style(style, "tab-curvature", &tab_curvature, NULL); *left += tab_curvature; *right += tab_curvature; if (flags & MOZ_GTK_TAB_FIRST) { int initial_gap; gtk_style_context_get_style(style, "initial-gap", &initial_gap, NULL); if (direction == GTK_TEXT_DIR_RTL) *right += initial_gap; else *left += initial_gap; } gtk_style_context_restore(style); return MOZ_GTK_SUCCESS; } gint moz_gtk_get_combo_box_entry_button_size(gint* width, gint* height) { /* * We get the requisition of the drop down button, which includes * all padding, border and focus line widths the button uses, * as well as the minimum arrow size and its padding * */ GtkRequisition requisition; ensure_combo_box_entry_widgets(); gtk_widget_get_preferred_size(gComboBoxEntryButtonWidget, NULL, &requisition); *width = requisition.width; *height = requisition.height; return MOZ_GTK_SUCCESS; } gint moz_gtk_get_tab_scroll_arrow_size(gint* width, gint* height) { gint arrow_size; ensure_tab_widget(); gtk_style_context_get_style(gtk_widget_get_style_context(gTabWidget), "scroll-arrow-hlength", &arrow_size, NULL); *height = *width = arrow_size; return MOZ_GTK_SUCCESS; } void moz_gtk_get_arrow_size(WidgetNodeType widgetType, gint* width, gint* height) { GtkWidget* widget; switch (widgetType) { case MOZ_GTK_DROPDOWN: ensure_combo_box_widgets(); widget = gComboBoxArrowWidget; break; default: widget = GetWidget(MOZ_GTK_BUTTON_ARROW); break; } GtkRequisition requisition; gtk_widget_get_preferred_size(widget, NULL, &requisition); *width = requisition.width; *height = requisition.height; } gint moz_gtk_get_toolbar_separator_width(gint* size) { gboolean wide_separators; gint separator_width; GtkBorder border; GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_TOOLBAR); gtk_style_context_get_style(style, "space-size", size, "wide-separators", &wide_separators, "separator-width", &separator_width, NULL); /* Just in case... */ gtk_style_context_get_border(style, GTK_STATE_FLAG_NORMAL, &border); *size = MAX(*size, (wide_separators ? separator_width : border.left)); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } gint moz_gtk_get_expander_size(gint* size) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_EXPANDER); gtk_style_context_get_style(style, "expander-size", size, NULL); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } gint moz_gtk_get_treeview_expander_size(gint* size) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_TREEVIEW); gtk_style_context_get_style(style, "expander-size", size, NULL); ReleaseStyleContext(style); return MOZ_GTK_SUCCESS; } // See gtk_menu_item_draw() for reference. gint moz_gtk_get_menu_separator_height(gint *size) { gboolean wide_separators; gint separator_height; GtkBorder padding; GtkStyleContext* style; guint border_width; border_width = gtk_container_get_border_width(GTK_CONTAINER( GetWidget(MOZ_GTK_MENUSEPARATOR))); style = ClaimStyleContext(MOZ_GTK_MENUSEPARATOR); gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding); gtk_style_context_save(style); gtk_style_context_add_class(style, GTK_STYLE_CLASS_SEPARATOR); gtk_style_context_get_style(style, "wide-separators", &wide_separators, "separator-height", &separator_height, NULL); gtk_style_context_restore(style); ReleaseStyleContext(style); *size = padding.top + padding.bottom + border_width*2; *size += (wide_separators) ? separator_height : 1; return MOZ_GTK_SUCCESS; } void moz_gtk_get_entry_min_height(gint* height) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_ENTRY); if (!gtk_check_version(3, 20, 0)) { gtk_style_context_get(style, gtk_style_context_get_state(style), "min-height", height, nullptr); } else { *height = 0; } GtkBorder border; GtkBorder padding; gtk_style_context_get_border(style, GTK_STATE_FLAG_NORMAL, &border); gtk_style_context_get_padding(style, GTK_STATE_FLAG_NORMAL, &padding); *height += (border.top + border.bottom + padding.top + padding.bottom); ReleaseStyleContext(style); } void moz_gtk_get_scale_metrics(GtkOrientation orient, gint* scale_width, gint* scale_height) { WidgetNodeType widget = (orient == GTK_ORIENTATION_HORIZONTAL) ? MOZ_GTK_SCALE_HORIZONTAL : MOZ_GTK_SCALE_VERTICAL; if (gtk_check_version(3, 20, 0) != nullptr) { gint thumb_length, thumb_height, trough_border; moz_gtk_get_scalethumb_metrics(orient, &thumb_length, &thumb_height); GtkStyleContext* style = ClaimStyleContext(widget); gtk_style_context_get_style(style, "trough-border", &trough_border, NULL); if (orient == GTK_ORIENTATION_HORIZONTAL) { *scale_width = thumb_length + trough_border * 2; *scale_height = thumb_height + trough_border * 2; } else { *scale_width = thumb_height + trough_border * 2; *scale_height = thumb_length + trough_border * 2; } ReleaseStyleContext(style); } else { GtkStyleContext* style = ClaimStyleContext(widget); gtk_style_context_get(style, gtk_style_context_get_state(style), "min-width", scale_width, "min-height", scale_height, nullptr); ReleaseStyleContext(style); } } gint moz_gtk_get_scalethumb_metrics(GtkOrientation orient, gint* thumb_length, gint* thumb_height) { if (gtk_check_version(3, 20, 0) != nullptr) { WidgetNodeType widget = (orient == GTK_ORIENTATION_HORIZONTAL) ? MOZ_GTK_SCALE_HORIZONTAL: MOZ_GTK_SCALE_VERTICAL; GtkStyleContext* style = ClaimStyleContext(widget); gtk_style_context_get_style(style, "slider_length", thumb_length, "slider_width", thumb_height, NULL); ReleaseStyleContext(style); } else { WidgetNodeType widget = (orient == GTK_ORIENTATION_HORIZONTAL) ? MOZ_GTK_SCALE_THUMB_HORIZONTAL: MOZ_GTK_SCALE_THUMB_VERTICAL; GtkStyleContext* style = ClaimStyleContext(widget); gtk_style_context_get(style, gtk_style_context_get_state(style), "min-width", thumb_length, "min-height", thumb_height, nullptr); ReleaseStyleContext(style); } return MOZ_GTK_SUCCESS; } gint moz_gtk_get_scrollbar_metrics(MozGtkScrollbarMetrics *metrics) { GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_SCROLLBAR_VERTICAL); gtk_style_context_get_style(style, "slider_width", &metrics->slider_width, "trough_border", &metrics->trough_border, "stepper_size", &metrics->stepper_size, "stepper_spacing", &metrics->stepper_spacing, "min-slider-length", &metrics->min_slider_size, nullptr); ReleaseStyleContext(style); if(!gtk_check_version(3, 20, 0)) { style = ClaimStyleContext(MOZ_GTK_SCROLLBAR_THUMB_VERTICAL); gtk_style_context_get(style, gtk_style_context_get_state(style), "min-height", &metrics->min_slider_size, nullptr); ReleaseStyleContext(style); } return MOZ_GTK_SUCCESS; } gboolean moz_gtk_images_in_menus() { gboolean result; GtkSettings* settings; settings = gtk_widget_get_settings(GetWidget(MOZ_GTK_IMAGEMENUITEM)); g_object_get(settings, "gtk-menu-images", &result, NULL); return result; } gboolean moz_gtk_images_in_buttons() { gboolean result; GtkSettings* settings; settings = gtk_widget_get_settings(GetWidget(MOZ_GTK_BUTTON)); g_object_get(settings, "gtk-button-images", &result, NULL); return result; } /* cairo_t *cr argument has to be a system-cairo. */ gint moz_gtk_widget_paint(WidgetNodeType widget, cairo_t *cr, GdkRectangle* rect, GtkWidgetState* state, gint flags, GtkTextDirection direction) { /* A workaround for https://bugzilla.gnome.org/show_bug.cgi?id=694086 */ cairo_new_path(cr); switch (widget) { case MOZ_GTK_BUTTON: case MOZ_GTK_TOOLBAR_BUTTON: if (state->depressed) { return moz_gtk_button_paint(cr, rect, state, (GtkReliefStyle) flags, GetWidget(MOZ_GTK_TOGGLE_BUTTON), direction); } return moz_gtk_button_paint(cr, rect, state, (GtkReliefStyle) flags, GetWidget(MOZ_GTK_BUTTON), direction); break; case MOZ_GTK_CHECKBUTTON: case MOZ_GTK_RADIOBUTTON: return moz_gtk_toggle_paint(cr, rect, state, !!(flags & MOZ_GTK_WIDGET_CHECKED), !!(flags & MOZ_GTK_WIDGET_INCONSISTENT), (widget == MOZ_GTK_RADIOBUTTON), direction); break; case MOZ_GTK_SCROLLBAR_BUTTON: return moz_gtk_scrollbar_button_paint(cr, rect, state, (GtkScrollbarButtonFlags) flags, direction); break; case MOZ_GTK_SCROLLBAR_HORIZONTAL: case MOZ_GTK_SCROLLBAR_VERTICAL: return moz_gtk_scrollbar_trough_paint(widget, cr, rect, state, (GtkScrollbarTrackFlags) flags, direction); break; case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL: case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL: return moz_gtk_scrollbar_thumb_paint(widget, cr, rect, state, direction); break; case MOZ_GTK_SCALE_HORIZONTAL: case MOZ_GTK_SCALE_VERTICAL: return moz_gtk_scale_paint(cr, rect, state, (GtkOrientation) flags, direction); break; case MOZ_GTK_SCALE_THUMB_HORIZONTAL: case MOZ_GTK_SCALE_THUMB_VERTICAL: return moz_gtk_scale_thumb_paint(cr, rect, state, (GtkOrientation) flags, direction); break; case MOZ_GTK_SPINBUTTON: return moz_gtk_spin_paint(cr, rect, direction); break; case MOZ_GTK_SPINBUTTON_UP: case MOZ_GTK_SPINBUTTON_DOWN: return moz_gtk_spin_updown_paint(cr, rect, (widget == MOZ_GTK_SPINBUTTON_DOWN), state, direction); break; case MOZ_GTK_SPINBUTTON_ENTRY: // TODO - use MOZ_GTK_SPINBUTTON_ENTRY style directly return moz_gtk_entry_paint(cr, rect, state, GetWidget(MOZ_GTK_SPINBUTTON), direction); break; case MOZ_GTK_GRIPPER: return moz_gtk_gripper_paint(cr, rect, state, direction); break; case MOZ_GTK_TREEVIEW: return moz_gtk_treeview_paint(cr, rect, state, direction); break; case MOZ_GTK_TREE_HEADER_CELL: return moz_gtk_tree_header_cell_paint(cr, rect, state, flags, direction); break; case MOZ_GTK_TREE_HEADER_SORTARROW: return moz_gtk_tree_header_sort_arrow_paint(cr, rect, state, (GtkArrowType) flags, direction); break; case MOZ_GTK_TREEVIEW_EXPANDER: return moz_gtk_treeview_expander_paint(cr, rect, state, (GtkExpanderStyle) flags, direction); break; case MOZ_GTK_ENTRY: return moz_gtk_entry_paint(cr, rect, state, GetWidget(MOZ_GTK_ENTRY), direction); break; case MOZ_GTK_TEXT_VIEW: return moz_gtk_text_view_paint(cr, rect, state, direction); break; case MOZ_GTK_DROPDOWN: return moz_gtk_combo_box_paint(cr, rect, state, direction); break; case MOZ_GTK_DROPDOWN_ARROW: return moz_gtk_combo_box_entry_button_paint(cr, rect, state, flags, direction); break; case MOZ_GTK_DROPDOWN_ENTRY: ensure_combo_box_entry_widgets(); return moz_gtk_entry_paint(cr, rect, state, gComboBoxEntryTextareaWidget, direction); break; case MOZ_GTK_CHECKBUTTON_CONTAINER: case MOZ_GTK_RADIOBUTTON_CONTAINER: return moz_gtk_container_paint(cr, rect, state, widget, direction); break; case MOZ_GTK_CHECKBUTTON_LABEL: case MOZ_GTK_RADIOBUTTON_LABEL: return moz_gtk_toggle_label_paint(cr, rect, state, (widget == MOZ_GTK_RADIOBUTTON_LABEL), direction); break; case MOZ_GTK_TOOLBAR: return moz_gtk_toolbar_paint(cr, rect, direction); break; case MOZ_GTK_TOOLBAR_SEPARATOR: return moz_gtk_toolbar_separator_paint(cr, rect, direction); break; case MOZ_GTK_TOOLTIP: return moz_gtk_tooltip_paint(cr, rect, direction); break; case MOZ_GTK_FRAME: return moz_gtk_frame_paint(cr, rect, direction); break; case MOZ_GTK_RESIZER: return moz_gtk_resizer_paint(cr, rect, state, direction); break; case MOZ_GTK_PROGRESSBAR: return moz_gtk_progressbar_paint(cr, rect, direction); break; case MOZ_GTK_PROGRESS_CHUNK: case MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE: case MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE: return moz_gtk_progress_chunk_paint(cr, rect, direction, widget); break; case MOZ_GTK_TAB: return moz_gtk_tab_paint(cr, rect, state, (GtkTabFlags) flags, direction); break; case MOZ_GTK_TABPANELS: return moz_gtk_tabpanels_paint(cr, rect, direction); break; case MOZ_GTK_TAB_SCROLLARROW: return moz_gtk_tab_scroll_arrow_paint(cr, rect, state, (GtkArrowType) flags, direction); break; case MOZ_GTK_MENUBAR: return moz_gtk_menu_bar_paint(cr, rect, direction); break; case MOZ_GTK_MENUPOPUP: return moz_gtk_menu_popup_paint(cr, rect, direction); break; case MOZ_GTK_MENUSEPARATOR: return moz_gtk_menu_separator_paint(cr, rect, direction); break; case MOZ_GTK_MENUBARITEM: case MOZ_GTK_MENUITEM: return moz_gtk_menu_item_paint(widget, cr, rect, state, direction); break; case MOZ_GTK_MENUARROW: return moz_gtk_menu_arrow_paint(cr, rect, state, direction); break; case MOZ_GTK_TOOLBARBUTTON_ARROW: return moz_gtk_arrow_paint(cr, rect, state, (GtkArrowType) flags, direction); break; case MOZ_GTK_CHECKMENUITEM: case MOZ_GTK_RADIOMENUITEM: return moz_gtk_check_menu_item_paint(cr, rect, state, (gboolean) flags, (widget == MOZ_GTK_RADIOMENUITEM), direction); break; case MOZ_GTK_SPLITTER_HORIZONTAL: return moz_gtk_vpaned_paint(cr, rect, state); break; case MOZ_GTK_SPLITTER_VERTICAL: return moz_gtk_hpaned_paint(cr, rect, state); break; case MOZ_GTK_WINDOW: return moz_gtk_window_paint(cr, rect, direction); break; case MOZ_GTK_INFO_BAR: return moz_gtk_info_bar_paint(cr, rect, state); break; default: g_warning("Unknown widget type: %d", widget); } return MOZ_GTK_UNKNOWN_WIDGET; } GtkWidget* moz_gtk_get_scrollbar_widget(void) { return GetWidget(MOZ_GTK_SCROLLBAR_HORIZONTAL); } gboolean moz_gtk_has_scrollbar_buttons(void) { gboolean backward, forward, secondary_backward, secondary_forward; MOZ_ASSERT(is_initialized, "Forgot to call moz_gtk_init()"); GtkStyleContext* style = ClaimStyleContext(MOZ_GTK_SCROLLBAR_VERTICAL); gtk_style_context_get_style(style, "has-backward-stepper", &backward, "has-forward-stepper", &forward, "has-secondary-backward-stepper", &secondary_backward, "has-secondary-forward-stepper", &secondary_forward, NULL); ReleaseStyleContext(style); return backward | forward | secondary_forward | secondary_forward; } gint moz_gtk_shutdown() { /* This will destroy all of our widgets */ ResetWidgetCache(); gProtoLayout = NULL; gComboBoxWidget = NULL; gComboBoxButtonWidget = NULL; gComboBoxSeparatorWidget = NULL; gComboBoxArrowWidget = NULL; gComboBoxEntryWidget = NULL; gComboBoxEntryButtonWidget = NULL; gComboBoxEntryArrowWidget = NULL; gComboBoxEntryTextareaWidget = NULL; gTabWidget = NULL; is_initialized = FALSE; return MOZ_GTK_SUCCESS; }