michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * This file contains painting functions for each of the gtk2 widgets.
michael@0:  * Adapted from the gtkdrawing.c, and gtk+2.0 source.
michael@0:  */
michael@0: 
michael@0: #include <gtk/gtk.h>
michael@0: #include <gdk/gdkprivate.h>
michael@0: #include <string.h>
michael@0: #include "gtkdrawing.h"
michael@0: #include "nsDebug.h"
michael@0: #include "prinrval.h"
michael@0: 
michael@0: #include <math.h>
michael@0: 
michael@0: static GtkWidget* gProtoWindow;
michael@0: static GtkWidget* gProtoLayout;
michael@0: static GtkWidget* gButtonWidget;
michael@0: static GtkWidget* gToggleMenuButtonWidget;
michael@0: static GtkWidget* gButtonArrowWidget;
michael@0: static GtkWidget* gCheckboxWidget;
michael@0: static GtkWidget* gRadiobuttonWidget;
michael@0: static GtkWidget* gHorizScrollbarWidget;
michael@0: static GtkWidget* gVertScrollbarWidget;
michael@0: static GtkWidget* gSpinWidget;
michael@0: static GtkWidget* gHScaleWidget;
michael@0: static GtkWidget* gVScaleWidget;
michael@0: static GtkWidget* gEntryWidget;
michael@0: static GtkWidget* gComboBoxWidget;
michael@0: static GtkWidget* gComboBoxButtonWidget;
michael@0: static GtkWidget* gComboBoxArrowWidget;
michael@0: static GtkWidget* gComboBoxSeparatorWidget;
michael@0: static GtkWidget* gComboBoxEntryWidget;
michael@0: static GtkWidget* gComboBoxEntryTextareaWidget;
michael@0: static GtkWidget* gComboBoxEntryButtonWidget;
michael@0: static GtkWidget* gComboBoxEntryArrowWidget;
michael@0: static GtkWidget* gHandleBoxWidget;
michael@0: static GtkWidget* gToolbarWidget;
michael@0: static GtkWidget* gFrameWidget;
michael@0: static GtkWidget* gStatusbarWidget;
michael@0: static GtkWidget* gProgressWidget;
michael@0: static GtkWidget* gTabWidget;
michael@0: static GtkWidget* gTooltipWidget;
michael@0: static GtkWidget* gMenuBarWidget;
michael@0: static GtkWidget* gMenuBarItemWidget;
michael@0: static GtkWidget* gMenuPopupWidget;
michael@0: static GtkWidget* gMenuItemWidget;
michael@0: static GtkWidget* gImageMenuItemWidget;
michael@0: static GtkWidget* gCheckMenuItemWidget;
michael@0: static GtkWidget* gTreeViewWidget;
michael@0: static GtkTreeViewColumn* gMiddleTreeViewColumn;
michael@0: static GtkWidget* gTreeHeaderCellWidget;
michael@0: static GtkWidget* gTreeHeaderSortArrowWidget;
michael@0: static GtkWidget* gExpanderWidget;
michael@0: static GtkWidget* gToolbarSeparatorWidget;
michael@0: static GtkWidget* gMenuSeparatorWidget;
michael@0: static GtkWidget* gHPanedWidget;
michael@0: static GtkWidget* gVPanedWidget;
michael@0: static GtkWidget* gScrolledWindowWidget;
michael@0: 
michael@0: static style_prop_t style_prop_func;
michael@0: static gboolean have_arrow_scaling;
michael@0: static gboolean is_initialized;
michael@0: 
michael@0: #define ARROW_UP      0
michael@0: #define ARROW_DOWN    G_PI
michael@0: #define ARROW_RIGHT   G_PI_2
michael@0: #define ARROW_LEFT    (G_PI+G_PI_2)
michael@0: 
michael@0: static GtkStateFlags
michael@0: GetStateFlagsFromGtkWidgetState(GtkWidgetState* state)
michael@0: {
michael@0:     GtkStateFlags stateFlags = GTK_STATE_FLAG_NORMAL;
michael@0: 
michael@0:     if (state->disabled)
michael@0:         stateFlags = GTK_STATE_FLAG_INSENSITIVE;
michael@0:     else {    
michael@0:         if (state->depressed || state->active)
michael@0:             stateFlags |= GTK_STATE_FLAG_ACTIVE;
michael@0:         if (state->inHover)
michael@0:             stateFlags |= GTK_STATE_FLAG_PRELIGHT;
michael@0:         if (state->focused)
michael@0:             stateFlags |= GTK_STATE_FLAG_FOCUSED;
michael@0:     }
michael@0:   
michael@0:     return stateFlags;
michael@0: }
michael@0: 
michael@0: /* Because we have such an unconventional way of drawing widgets, signal to the GTK theme engine
michael@0:    that they are drawing for Mozilla instead of a conventional GTK app so they can do any specific
michael@0:    things they may want to do. */
michael@0: static void
michael@0: moz_gtk_set_widget_name(GtkWidget* widget)
michael@0: {
michael@0:     gtk_widget_set_name(widget, "MozillaGtkWidget");
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_enable_style_props(style_prop_t styleGetProp)
michael@0: {
michael@0:     style_prop_func = styleGetProp;
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_window_widget()
michael@0: {
michael@0:     if (!gProtoWindow) {
michael@0:         gProtoWindow = gtk_window_new(GTK_WINDOW_POPUP);
michael@0:         gtk_widget_realize(gProtoWindow);
michael@0:         moz_gtk_set_widget_name(gProtoWindow);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: setup_widget_prototype(GtkWidget* widget)
michael@0: {
michael@0:     ensure_window_widget();
michael@0:     if (!gProtoLayout) {
michael@0:         gProtoLayout = gtk_fixed_new();
michael@0:         gtk_container_add(GTK_CONTAINER(gProtoWindow), gProtoLayout);
michael@0:     }
michael@0: 
michael@0:     gtk_container_add(GTK_CONTAINER(gProtoLayout), widget);
michael@0:     gtk_widget_realize(widget);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_button_widget()
michael@0: {
michael@0:     if (!gButtonWidget) {
michael@0:         gButtonWidget = gtk_button_new_with_label("M");
michael@0:         setup_widget_prototype(gButtonWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_hpaned_widget()
michael@0: {
michael@0:     if (!gHPanedWidget) {
michael@0:         gHPanedWidget = gtk_hpaned_new();
michael@0:         setup_widget_prototype(gHPanedWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_vpaned_widget()
michael@0: {
michael@0:     if (!gVPanedWidget) {
michael@0:         gVPanedWidget = gtk_vpaned_new();
michael@0:         setup_widget_prototype(gVPanedWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_toggle_menu_button_widget()
michael@0: {
michael@0:     if (!gToggleMenuButtonWidget) {
michael@0:         gToggleMenuButtonWidget = gtk_menu_button_new();
michael@0:         setup_widget_prototype(gToggleMenuButtonWidget);
michael@0:   }
michael@0:   return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_button_arrow_widget()
michael@0: {
michael@0:     if (!gButtonArrowWidget) {
michael@0:         ensure_toggle_menu_button_widget();
michael@0:         gButtonArrowWidget = gtk_bin_get_child(GTK_BIN(gToggleMenuButtonWidget));
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_checkbox_widget()
michael@0: {
michael@0:     if (!gCheckboxWidget) {
michael@0:         gCheckboxWidget = gtk_check_button_new_with_label("M");
michael@0:         setup_widget_prototype(gCheckboxWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_radiobutton_widget()
michael@0: {
michael@0:     if (!gRadiobuttonWidget) {
michael@0:         gRadiobuttonWidget = gtk_radio_button_new_with_label(NULL, "M");
michael@0:         setup_widget_prototype(gRadiobuttonWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_scrollbar_widget()
michael@0: {
michael@0:     if (!gVertScrollbarWidget) {
michael@0:         gVertScrollbarWidget = gtk_vscrollbar_new(NULL);
michael@0:         setup_widget_prototype(gVertScrollbarWidget);
michael@0:     }
michael@0:     if (!gHorizScrollbarWidget) {
michael@0:         gHorizScrollbarWidget = gtk_hscrollbar_new(NULL);
michael@0:         setup_widget_prototype(gHorizScrollbarWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_spin_widget()
michael@0: {
michael@0:   if (!gSpinWidget) {
michael@0:     gSpinWidget = gtk_spin_button_new(NULL, 1, 0);
michael@0:     setup_widget_prototype(gSpinWidget);
michael@0:   }
michael@0:   return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_scale_widget()
michael@0: {
michael@0:   if (!gHScaleWidget) {
michael@0:     gHScaleWidget = gtk_hscale_new(NULL);
michael@0:     setup_widget_prototype(gHScaleWidget);
michael@0:   }
michael@0:   if (!gVScaleWidget) {
michael@0:     gVScaleWidget = gtk_vscale_new(NULL);
michael@0:     setup_widget_prototype(gVScaleWidget);
michael@0:   }
michael@0:   return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_entry_widget()
michael@0: {
michael@0:     if (!gEntryWidget) {
michael@0:         gEntryWidget = gtk_entry_new();
michael@0:         setup_widget_prototype(gEntryWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: /* We need to have pointers to the inner widgets (button, separator, arrow)
michael@0:  * of the ComboBox to get the correct rendering from theme engines which
michael@0:  * special cases their look. Since the inner layout can change, we ask GTK
michael@0:  * to NULL our pointers when they are about to become invalid because the
michael@0:  * corresponding widgets don't exist anymore. It's the role of
michael@0:  * g_object_add_weak_pointer().
michael@0:  * Note that if we don't find the inner widgets (which shouldn't happen), we
michael@0:  * fallback to use generic "non-inner" widgets, and they don't need that kind
michael@0:  * of weak pointer since they are explicit children of gProtoWindow and as
michael@0:  * such GTK holds a strong reference to them. */
michael@0: static void
michael@0: moz_gtk_get_combo_box_inner_button(GtkWidget *widget, gpointer client_data)
michael@0: {
michael@0:     if (GTK_IS_TOGGLE_BUTTON(widget)) {
michael@0:         gComboBoxButtonWidget = widget;
michael@0:         g_object_add_weak_pointer(G_OBJECT(widget),
michael@0:                                   (gpointer) &gComboBoxButtonWidget);
michael@0:         gtk_widget_realize(widget);
michael@0:     }
michael@0: }
michael@0: 
michael@0: static void
michael@0: moz_gtk_get_combo_box_button_inner_widgets(GtkWidget *widget,
michael@0:                                            gpointer client_data)
michael@0: {
michael@0:     if (GTK_IS_SEPARATOR(widget)) {
michael@0:         gComboBoxSeparatorWidget = widget;
michael@0:         g_object_add_weak_pointer(G_OBJECT(widget),
michael@0:                                   (gpointer) &gComboBoxSeparatorWidget);
michael@0:     } else if (GTK_IS_ARROW(widget)) {
michael@0:         gComboBoxArrowWidget = widget;
michael@0:         g_object_add_weak_pointer(G_OBJECT(widget),
michael@0:                                   (gpointer) &gComboBoxArrowWidget);
michael@0:     } else
michael@0:         return;
michael@0:     gtk_widget_realize(widget);
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_combo_box_widgets()
michael@0: {
michael@0:     GtkWidget* buttonChild;
michael@0: 
michael@0:     if (gComboBoxButtonWidget && gComboBoxArrowWidget)
michael@0:         return MOZ_GTK_SUCCESS;
michael@0: 
michael@0:     /* Create a ComboBox if needed */
michael@0:     if (!gComboBoxWidget) {
michael@0:         gComboBoxWidget = gtk_combo_box_new();
michael@0:         setup_widget_prototype(gComboBoxWidget);
michael@0:     }
michael@0: 
michael@0:     /* Get its inner Button */
michael@0:     gtk_container_forall(GTK_CONTAINER(gComboBoxWidget),
michael@0:                          moz_gtk_get_combo_box_inner_button,
michael@0:                          NULL);
michael@0: 
michael@0:     if (gComboBoxButtonWidget) {
michael@0:         /* Get the widgets inside the Button */
michael@0:         buttonChild = gtk_bin_get_child(GTK_BIN(gComboBoxButtonWidget));
michael@0:         if (GTK_IS_BOX(buttonChild)) {
michael@0:             /* appears-as-list = FALSE, cell-view = TRUE; the button
michael@0:              * contains an hbox. This hbox is there because the ComboBox
michael@0:              * needs to place a cell renderer, a separator, and an arrow in
michael@0:              * the button when appears-as-list is FALSE. */
michael@0:             gtk_container_forall(GTK_CONTAINER(buttonChild),
michael@0:                                  moz_gtk_get_combo_box_button_inner_widgets,
michael@0:                                  NULL);
michael@0:         } else if(GTK_IS_ARROW(buttonChild)) {
michael@0:             /* appears-as-list = TRUE, or cell-view = FALSE;
michael@0:              * the button only contains an arrow */
michael@0:             gComboBoxArrowWidget = buttonChild;
michael@0:             g_object_add_weak_pointer(G_OBJECT(buttonChild), (gpointer)
michael@0:                                       &gComboBoxArrowWidget);
michael@0:             gtk_widget_realize(gComboBoxArrowWidget);
michael@0:         }
michael@0:     } else {
michael@0:         /* Shouldn't be reached with current internal gtk implementation; we
michael@0:          * use a generic toggle button as last resort fallback to avoid
michael@0:          * crashing. */
michael@0:         ensure_toggle_menu_button_widget();
michael@0:         gComboBoxButtonWidget = gToggleMenuButtonWidget;
michael@0:     }
michael@0: 
michael@0:     if (!gComboBoxArrowWidget) {
michael@0:         /* Shouldn't be reached with current internal gtk implementation;
michael@0:          * we gButtonArrowWidget as last resort fallback to avoid
michael@0:          * crashing. */
michael@0:         ensure_button_arrow_widget();
michael@0:         gComboBoxArrowWidget = gButtonArrowWidget;
michael@0:     }
michael@0: 
michael@0:     /* We don't test the validity of gComboBoxSeparatorWidget since there
michael@0:      * is none when "appears-as-list" = TRUE or "cell-view" = FALSE; if it
michael@0:      * is invalid we just won't paint it. */
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: /* We need to have pointers to the inner widgets (entry, button, arrow) of
michael@0:  * the ComboBoxEntry to get the correct rendering from theme engines which
michael@0:  * special cases their look. Since the inner layout can change, we ask GTK
michael@0:  * to NULL our pointers when they are about to become invalid because the
michael@0:  * corresponding widgets don't exist anymore. It's the role of
michael@0:  * g_object_add_weak_pointer().
michael@0:  * Note that if we don't find the inner widgets (which shouldn't happen), we
michael@0:  * fallback to use generic "non-inner" widgets, and they don't need that kind
michael@0:  * of weak pointer since they are explicit children of gProtoWindow and as
michael@0:  * such GTK holds a strong reference to them. */
michael@0: static void
michael@0: moz_gtk_get_combo_box_entry_inner_widgets(GtkWidget *widget,
michael@0:                                           gpointer client_data)
michael@0: {
michael@0:     if (GTK_IS_TOGGLE_BUTTON(widget)) {
michael@0:         gComboBoxEntryButtonWidget = widget;
michael@0:         g_object_add_weak_pointer(G_OBJECT(widget),
michael@0:                                   (gpointer) &gComboBoxEntryButtonWidget);
michael@0:     } else if (GTK_IS_ENTRY(widget)) {
michael@0:         gComboBoxEntryTextareaWidget = widget;
michael@0:         g_object_add_weak_pointer(G_OBJECT(widget),
michael@0:                                   (gpointer) &gComboBoxEntryTextareaWidget);
michael@0:     } else
michael@0:         return;
michael@0:     gtk_widget_realize(widget);
michael@0: }
michael@0: 
michael@0: static void
michael@0: moz_gtk_get_combo_box_entry_arrow(GtkWidget *widget, gpointer client_data)
michael@0: {
michael@0:     if (GTK_IS_ARROW(widget)) {
michael@0:         gComboBoxEntryArrowWidget = widget;
michael@0:         g_object_add_weak_pointer(G_OBJECT(widget),
michael@0:                                   (gpointer) &gComboBoxEntryArrowWidget);
michael@0:         gtk_widget_realize(widget);
michael@0:     }
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_combo_box_entry_widgets()
michael@0: {
michael@0:     GtkWidget* buttonChild;
michael@0: 
michael@0:     if (gComboBoxEntryTextareaWidget &&
michael@0:             gComboBoxEntryButtonWidget &&
michael@0:             gComboBoxEntryArrowWidget)
michael@0:         return MOZ_GTK_SUCCESS;
michael@0: 
michael@0:     /* Create a ComboBoxEntry if needed */
michael@0:     if (!gComboBoxEntryWidget) {
michael@0:         gComboBoxEntryWidget = gtk_combo_box_new_with_entry();
michael@0:         setup_widget_prototype(gComboBoxEntryWidget);
michael@0:     }
michael@0: 
michael@0:     /* Get its inner Entry and Button */
michael@0:     gtk_container_forall(GTK_CONTAINER(gComboBoxEntryWidget),
michael@0:                          moz_gtk_get_combo_box_entry_inner_widgets,
michael@0:                          NULL);
michael@0: 
michael@0:     if (!gComboBoxEntryTextareaWidget) {
michael@0:         ensure_entry_widget();
michael@0:         gComboBoxEntryTextareaWidget = gEntryWidget;
michael@0:     }
michael@0: 
michael@0:     if (gComboBoxEntryButtonWidget) {
michael@0:         /* Get the Arrow inside the Button */
michael@0:         buttonChild = gtk_bin_get_child(GTK_BIN(gComboBoxEntryButtonWidget));
michael@0:         if (GTK_IS_BOX(buttonChild)) {
michael@0:            /* appears-as-list = FALSE, cell-view = TRUE; the button
michael@0:              * contains an hbox. This hbox is there because the ComboBox
michael@0:              * needs to place a cell renderer, a separator, and an arrow in
michael@0:              * the button when appears-as-list is FALSE. */
michael@0:             gtk_container_forall(GTK_CONTAINER(buttonChild),
michael@0:                                  moz_gtk_get_combo_box_entry_arrow,
michael@0:                                  NULL);
michael@0:         } else if(GTK_IS_ARROW(buttonChild)) {
michael@0:             /* appears-as-list = TRUE, or cell-view = FALSE;
michael@0:              * the button only contains an arrow */
michael@0:             gComboBoxEntryArrowWidget = buttonChild;
michael@0:             g_object_add_weak_pointer(G_OBJECT(buttonChild), (gpointer)
michael@0:                                       &gComboBoxEntryArrowWidget);
michael@0:             gtk_widget_realize(gComboBoxEntryArrowWidget);
michael@0:         }
michael@0:     } else {
michael@0:         /* Shouldn't be reached with current internal gtk implementation;
michael@0:          * we use a generic toggle button as last resort fallback to avoid
michael@0:          * crashing. */
michael@0:         ensure_toggle_menu_button_widget();
michael@0:         gComboBoxEntryButtonWidget = gToggleMenuButtonWidget;
michael@0:     }
michael@0: 
michael@0:     if (!gComboBoxEntryArrowWidget) {
michael@0:         /* Shouldn't be reached with current internal gtk implementation;
michael@0:          * we gButtonArrowWidget as last resort fallback to avoid
michael@0:          * crashing. */
michael@0:         ensure_button_arrow_widget();
michael@0:         gComboBoxEntryArrowWidget = gButtonArrowWidget;
michael@0:     }
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: 
michael@0: static gint
michael@0: ensure_handlebox_widget()
michael@0: {
michael@0:     if (!gHandleBoxWidget) {
michael@0:         gHandleBoxWidget = gtk_handle_box_new();
michael@0:         setup_widget_prototype(gHandleBoxWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_toolbar_widget()
michael@0: {
michael@0:     if (!gToolbarWidget) {
michael@0:         ensure_handlebox_widget();
michael@0:         gToolbarWidget = gtk_toolbar_new();
michael@0:         gtk_container_add(GTK_CONTAINER(gHandleBoxWidget), gToolbarWidget);
michael@0:         gtk_widget_realize(gToolbarWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_toolbar_separator_widget()
michael@0: {
michael@0:     if (!gToolbarSeparatorWidget) {
michael@0:         ensure_toolbar_widget();
michael@0:         gToolbarSeparatorWidget = GTK_WIDGET(gtk_separator_tool_item_new());
michael@0:         setup_widget_prototype(gToolbarSeparatorWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_tooltip_widget()
michael@0: {
michael@0:     if (!gTooltipWidget) {
michael@0:         gTooltipWidget = gtk_window_new(GTK_WINDOW_POPUP);
michael@0:         gtk_widget_realize(gTooltipWidget);
michael@0:         moz_gtk_set_widget_name(gTooltipWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_tab_widget()
michael@0: {
michael@0:     if (!gTabWidget) {
michael@0:         gTabWidget = gtk_notebook_new();
michael@0:         setup_widget_prototype(gTabWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_progress_widget()
michael@0: {
michael@0:     if (!gProgressWidget) {
michael@0:         gProgressWidget = gtk_progress_bar_new();
michael@0:         setup_widget_prototype(gProgressWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_statusbar_widget()
michael@0: {
michael@0:     if (!gStatusbarWidget) {
michael@0:       gStatusbarWidget = gtk_statusbar_new();
michael@0:       setup_widget_prototype(gStatusbarWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_frame_widget()
michael@0: {
michael@0:     if (!gFrameWidget) {
michael@0:         ensure_statusbar_widget();
michael@0:         gFrameWidget = gtk_frame_new(NULL);
michael@0:         gtk_container_add(GTK_CONTAINER(gStatusbarWidget), gFrameWidget);
michael@0:         gtk_widget_realize(gFrameWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_menu_bar_widget()
michael@0: {
michael@0:     if (!gMenuBarWidget) {
michael@0:         gMenuBarWidget = gtk_menu_bar_new();
michael@0:         setup_widget_prototype(gMenuBarWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_menu_bar_item_widget()
michael@0: {
michael@0:     if (!gMenuBarItemWidget) {
michael@0:         ensure_menu_bar_widget();
michael@0:         gMenuBarItemWidget = gtk_menu_item_new();
michael@0:         gtk_menu_shell_append(GTK_MENU_SHELL(gMenuBarWidget),
michael@0:                               gMenuBarItemWidget);
michael@0:         gtk_widget_realize(gMenuBarItemWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_menu_popup_widget()
michael@0: {
michael@0:     if (!gMenuPopupWidget) {
michael@0:         ensure_menu_bar_item_widget();
michael@0:         gMenuPopupWidget = gtk_menu_new();
michael@0:         gtk_menu_item_set_submenu(GTK_MENU_ITEM(gMenuBarItemWidget),
michael@0:                                   gMenuPopupWidget);
michael@0:         gtk_widget_realize(gMenuPopupWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_menu_item_widget()
michael@0: {
michael@0:     if (!gMenuItemWidget) {
michael@0:         ensure_menu_popup_widget();
michael@0:         gMenuItemWidget = gtk_menu_item_new_with_label("M");
michael@0:         gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
michael@0:                               gMenuItemWidget);
michael@0:         gtk_widget_realize(gMenuItemWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_image_menu_item_widget()
michael@0: {
michael@0:     if (!gImageMenuItemWidget) {
michael@0:         ensure_menu_popup_widget();
michael@0:         gImageMenuItemWidget = gtk_image_menu_item_new();
michael@0:         gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
michael@0:                               gImageMenuItemWidget);
michael@0:         gtk_widget_realize(gImageMenuItemWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_menu_separator_widget()
michael@0: {
michael@0:     if (!gMenuSeparatorWidget) {
michael@0:         ensure_menu_popup_widget();
michael@0:         gMenuSeparatorWidget = gtk_separator_menu_item_new();
michael@0:         gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
michael@0:                               gMenuSeparatorWidget);
michael@0:         gtk_widget_realize(gMenuSeparatorWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_check_menu_item_widget()
michael@0: {
michael@0:     if (!gCheckMenuItemWidget) {
michael@0:         ensure_menu_popup_widget();
michael@0:         gCheckMenuItemWidget = gtk_check_menu_item_new_with_label("M");
michael@0:         gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
michael@0:                               gCheckMenuItemWidget);
michael@0:         gtk_widget_realize(gCheckMenuItemWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_tree_view_widget()
michael@0: {
michael@0:     if (!gTreeViewWidget) {
michael@0:         gTreeViewWidget = gtk_tree_view_new();
michael@0:         setup_widget_prototype(gTreeViewWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_tree_header_cell_widget()
michael@0: {
michael@0:     if(!gTreeHeaderCellWidget) {
michael@0:         /*
michael@0:          * Some GTK engines paint the first and last cell
michael@0:          * of a TreeView header with a highlight.
michael@0:          * Since we do not know where our widget will be relative
michael@0:          * to the other buttons in the TreeView header, we must
michael@0:          * paint it as a button that is between two others,
michael@0:          * thus ensuring it is neither the first or last button
michael@0:          * in the header.
michael@0:          * GTK doesn't give us a way to do this explicitly,
michael@0:          * so we must paint with a button that is between two
michael@0:          * others.
michael@0:          */
michael@0: 
michael@0:         GtkTreeViewColumn* firstTreeViewColumn;
michael@0:         GtkTreeViewColumn* lastTreeViewColumn;
michael@0: 
michael@0:         ensure_tree_view_widget();
michael@0: 
michael@0:         /* Create and append our three columns */
michael@0:         firstTreeViewColumn = gtk_tree_view_column_new();
michael@0:         gtk_tree_view_column_set_title(firstTreeViewColumn, "M");
michael@0:         gtk_tree_view_append_column(GTK_TREE_VIEW(gTreeViewWidget), firstTreeViewColumn);
michael@0: 
michael@0:         gMiddleTreeViewColumn = gtk_tree_view_column_new();
michael@0:         gtk_tree_view_column_set_title(gMiddleTreeViewColumn, "M");
michael@0:         gtk_tree_view_append_column(GTK_TREE_VIEW(gTreeViewWidget),
michael@0:                                     gMiddleTreeViewColumn);
michael@0: 
michael@0:         lastTreeViewColumn = gtk_tree_view_column_new();
michael@0:         gtk_tree_view_column_set_title(lastTreeViewColumn, "M");
michael@0:         gtk_tree_view_append_column(GTK_TREE_VIEW(gTreeViewWidget), lastTreeViewColumn);
michael@0: 
michael@0:         /* Use the middle column's header for our button */
michael@0:         gTreeHeaderCellWidget = gtk_tree_view_column_get_button(gMiddleTreeViewColumn);
michael@0:         /* TODO, but it can't be NULL */
michael@0:         gTreeHeaderSortArrowWidget = gtk_button_new();
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_expander_widget()
michael@0: {
michael@0:     if (!gExpanderWidget) {
michael@0:         gExpanderWidget = gtk_expander_new("M");
michael@0:         setup_widget_prototype(gExpanderWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: ensure_scrolled_window_widget()
michael@0: {
michael@0:     if (!gScrolledWindowWidget) {
michael@0:         gScrolledWindowWidget = gtk_scrolled_window_new(NULL, NULL);
michael@0:         setup_widget_prototype(gScrolledWindowWidget);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_init()
michael@0: {
michael@0:     GtkWidgetClass *entry_class;
michael@0: 
michael@0:     if (is_initialized)
michael@0:         return MOZ_GTK_SUCCESS;
michael@0: 
michael@0:     is_initialized = TRUE;
michael@0:     have_arrow_scaling = (gtk_major_version > 2 ||
michael@0:                           (gtk_major_version == 2 && gtk_minor_version >= 12));
michael@0: 
michael@0:     /* Add style property to GtkEntry.
michael@0:      * Adding the style property to the normal GtkEntry class means that it
michael@0:      * will work without issues inside GtkComboBox and for Spinbuttons. */
michael@0:     entry_class = g_type_class_ref(GTK_TYPE_ENTRY);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_checkbox_get_metrics(gint* indicator_size, gint* indicator_spacing)
michael@0: {
michael@0:     ensure_checkbox_widget();
michael@0: 
michael@0:     gtk_widget_style_get (gCheckboxWidget,
michael@0:                           "indicator_size", indicator_size,
michael@0:                           "indicator_spacing", indicator_spacing,
michael@0:                           NULL);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_radio_get_metrics(gint* indicator_size, gint* indicator_spacing)
michael@0: {
michael@0:     ensure_radiobutton_widget();
michael@0: 
michael@0:     gtk_widget_style_get (gRadiobuttonWidget,
michael@0:                           "indicator_size", indicator_size,
michael@0:                           "indicator_spacing", indicator_spacing,
michael@0:                           NULL);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_widget_get_focus(GtkWidget* widget, gboolean* interior_focus,
michael@0:                          gint* focus_width, gint* focus_pad) 
michael@0: {
michael@0:     gtk_widget_style_get (widget,
michael@0:                           "interior-focus", interior_focus,
michael@0:                           "focus-line-width", focus_width,
michael@0:                           "focus-padding", focus_pad,
michael@0:                           NULL);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_menuitem_get_horizontal_padding(gint* horizontal_padding)
michael@0: {
michael@0:     ensure_menu_item_widget();
michael@0: 
michael@0:     gtk_widget_style_get (gMenuItemWidget,
michael@0:                           "horizontal-padding", horizontal_padding,
michael@0:                           NULL);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_checkmenuitem_get_horizontal_padding(gint* horizontal_padding)
michael@0: {
michael@0:     ensure_check_menu_item_widget();
michael@0: 
michael@0:     gtk_widget_style_get (gCheckMenuItemWidget,
michael@0:                           "horizontal-padding", horizontal_padding,
michael@0:                           NULL);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_button_get_default_overflow(gint* border_top, gint* border_left,
michael@0:                                     gint* border_bottom, gint* border_right)
michael@0: {
michael@0:     GtkBorder* default_outside_border;
michael@0: 
michael@0:     ensure_button_widget();
michael@0:     gtk_widget_style_get(gButtonWidget,
michael@0:                          "default-outside-border", &default_outside_border,
michael@0:                          NULL);
michael@0: 
michael@0:     if (default_outside_border) {
michael@0:         *border_top = default_outside_border->top;
michael@0:         *border_left = default_outside_border->left;
michael@0:         *border_bottom = default_outside_border->bottom;
michael@0:         *border_right = default_outside_border->right;
michael@0:         gtk_border_free(default_outside_border);
michael@0:     } else {
michael@0:         *border_top = *border_left = *border_bottom = *border_right = 0;
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_button_get_default_border(gint* border_top, gint* border_left,
michael@0:                                   gint* border_bottom, gint* border_right)
michael@0: {
michael@0:     GtkBorder* default_border;
michael@0: 
michael@0:     ensure_button_widget();
michael@0:     gtk_widget_style_get(gButtonWidget,
michael@0:                          "default-border", &default_border,
michael@0:                          NULL);
michael@0: 
michael@0:     if (default_border) {
michael@0:         *border_top = default_border->top;
michael@0:         *border_left = default_border->left;
michael@0:         *border_bottom = default_border->bottom;
michael@0:         *border_right = default_border->right;
michael@0:         gtk_border_free(default_border);
michael@0:     } else {
michael@0:         /* see gtkbutton.c */
michael@0:         *border_top = *border_left = *border_bottom = *border_right = 1;
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_splitter_get_metrics(gint orientation, gint* size)
michael@0: {
michael@0:     if (orientation == GTK_ORIENTATION_HORIZONTAL) {
michael@0:         ensure_hpaned_widget();
michael@0:         gtk_widget_style_get(gHPanedWidget, "handle_size", size, NULL);
michael@0:     } else {
michael@0:         ensure_vpaned_widget();
michael@0:         gtk_widget_style_get(gVPanedWidget, "handle_size", size, NULL);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_button_get_inner_border(GtkWidget* widget, GtkBorder* inner_border)
michael@0: {
michael@0:     static const GtkBorder default_inner_border = { 1, 1, 1, 1 };
michael@0:     GtkBorder *tmp_border;
michael@0: 
michael@0:     gtk_widget_style_get (widget, "inner-border", &tmp_border, NULL);
michael@0: 
michael@0:     if (tmp_border) {
michael@0:         *inner_border = *tmp_border;
michael@0:         gtk_border_free(tmp_border);
michael@0:     }
michael@0:     else
michael@0:         *inner_border = default_inner_border;
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_button_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                      GtkWidgetState* state,
michael@0:                      GtkReliefStyle relief, GtkWidget* widget,
michael@0:                      GtkTextDirection direction)
michael@0: {
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:     GtkStyleContext* style = gtk_widget_get_style_context(widget);    
michael@0:     gint x = rect->x, y=rect->y, width=rect->width, height=rect->height;
michael@0: 
michael@0:     gboolean interior_focus;
michael@0:     gint focus_width, focus_pad;
michael@0: 
michael@0:     moz_gtk_widget_get_focus(widget, &interior_focus, &focus_width, &focus_pad);
michael@0:     gtk_widget_set_direction(widget, direction);
michael@0: 
michael@0:     if (!interior_focus && state->focused) {
michael@0:         x += focus_width + focus_pad;
michael@0:         y += focus_width + focus_pad;
michael@0:         width -= 2 * (focus_width + focus_pad);
michael@0:         height -= 2 * (focus_width + focus_pad);
michael@0:     }
michael@0:   
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_set_state(style, state_flags);
michael@0: 
michael@0:     if (state->isDefault && relief == GTK_RELIEF_NORMAL) {
michael@0:         /* handle default borders both outside and inside the button */
michael@0:         gint default_top, default_left, default_bottom, default_right;
michael@0:         moz_gtk_button_get_default_overflow(&default_top, &default_left,
michael@0:                                             &default_bottom, &default_right);
michael@0:         x -= default_left;
michael@0:         y -= default_top;
michael@0:         width += default_left + default_right;
michael@0:         height += default_top + default_bottom;
michael@0:         gtk_render_background(style, cr, x, y, width, height);
michael@0:         gtk_render_frame(style, cr, x, y, width, height);
michael@0:         moz_gtk_button_get_default_border(&default_top, &default_left,
michael@0:                                           &default_bottom, &default_right);
michael@0:         x += default_left;
michael@0:         y += default_top;
michael@0:         width -= (default_left + default_right);
michael@0:         height -= (default_top + default_bottom);
michael@0:     }
michael@0:  
michael@0:     if (relief != GTK_RELIEF_NONE || state->depressed ||
michael@0:         (state_flags & GTK_STATE_FLAG_PRELIGHT)) {
michael@0:         /* the following line can trigger an assertion (Crux theme)
michael@0:            file ../../gdk/gdkwindow.c: line 1846 (gdk_window_clear_area):
michael@0:            assertion `GDK_IS_WINDOW (window)' failed */
michael@0:         gtk_render_background(style, cr, x, y, width, height);
michael@0:         gtk_render_frame(style, cr, x, y, width, height);
michael@0:     }
michael@0: 
michael@0:     if (state->focused) {
michael@0:         if (interior_focus) {
michael@0:             GtkBorder border;
michael@0:             gtk_style_context_get_border(style, state_flags, &border);
michael@0:             x += border.left + focus_pad;
michael@0:             y += border.top + focus_pad;
michael@0:             width -= 2 * (border.left + focus_pad);
michael@0:             height -= 2 * (border.top + focus_pad);
michael@0:         } else {
michael@0:             x -= focus_width + focus_pad;
michael@0:             y -= focus_width + focus_pad;
michael@0:             width += 2 * (focus_width + focus_pad);
michael@0:             height += 2 * (focus_width + focus_pad);
michael@0:         }
michael@0: 
michael@0:         gtk_render_focus(style, cr, x, y, width, height);
michael@0:     }
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_toggle_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                      GtkWidgetState* state,
michael@0:                      gboolean selected, gboolean inconsistent,
michael@0:                      gboolean isradio, GtkTextDirection direction)
michael@0: {
michael@0:     gint indicator_size, indicator_spacing;
michael@0:     gint x, y, width, height;
michael@0:     gint focus_x, focus_y, focus_width, focus_height;
michael@0:     GtkWidget *w;
michael@0:     GtkStyleContext *style;
michael@0: 
michael@0:     if (isradio) {
michael@0:         moz_gtk_radio_get_metrics(&indicator_size, &indicator_spacing);
michael@0:         w = gRadiobuttonWidget;
michael@0:     } else {
michael@0:         moz_gtk_checkbox_get_metrics(&indicator_size, &indicator_spacing);
michael@0:         w = gCheckboxWidget;
michael@0:     }
michael@0: 
michael@0:     // XXX we should assert rect->height >= indicator_size too
michael@0:     // after bug 369581 is fixed.
michael@0:     NS_ASSERTION(rect->width >= indicator_size,
michael@0:                  "GetMinimumWidgetSize was ignored");
michael@0: 
michael@0:     // Paint it center aligned in the rect.
michael@0:     x = rect->x + (rect->width - indicator_size) / 2;
michael@0:     y = rect->y + (rect->height - indicator_size) / 2;
michael@0:     width = indicator_size;
michael@0:     height = indicator_size;
michael@0: 
michael@0:     focus_x = x - indicator_spacing;
michael@0:     focus_y = y - indicator_spacing;
michael@0:     focus_width = width + 2 * indicator_spacing;
michael@0:     focus_height = height + 2 * indicator_spacing;
michael@0:   
michael@0:     style = gtk_widget_get_style_context(w);
michael@0: 
michael@0:     gtk_widget_set_sensitive(w, !state->disabled);
michael@0:     gtk_widget_set_direction(w, direction);
michael@0:     gtk_style_context_save(style);
michael@0:       
michael@0:     if (isradio) {
michael@0:         gtk_style_context_add_class(style, GTK_STYLE_CLASS_RADIO);
michael@0:         gtk_style_context_set_state(style, selected ? GTK_STATE_FLAG_ACTIVE :
michael@0:                                                       GTK_STATE_FLAG_NORMAL);
michael@0:         gtk_render_option(style, cr, x, y, width, height);
michael@0:         if (state->focused) {
michael@0:             gtk_render_focus(style, cr, focus_x, focus_y,
michael@0:                             focus_width, focus_height);
michael@0:         }
michael@0:     }
michael@0:     else {
michael@0:        /*
michael@0:         * 'indeterminate' type on checkboxes. In GTK, the shadow type
michael@0:         * must also be changed for the state to be drawn.
michael@0:         */        
michael@0:         gtk_style_context_add_class(style, GTK_STYLE_CLASS_CHECK);
michael@0:         if (inconsistent) {
michael@0:             gtk_style_context_set_state(style, GTK_STATE_FLAG_INCONSISTENT);
michael@0:             gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(gCheckboxWidget), TRUE);
michael@0:         } else if (selected) {
michael@0:             gtk_style_context_set_state(style, GTK_STATE_FLAG_ACTIVE);
michael@0:         } else {
michael@0:             gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(gCheckboxWidget), FALSE);
michael@0:         }
michael@0:         gtk_render_check(style, cr, x, y, width, height);        
michael@0:         if (state->focused) {
michael@0:             gtk_render_focus(style, cr, 
michael@0:                              focus_x, focus_y, focus_width, focus_height);
michael@0:         }
michael@0:     }
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: calculate_button_inner_rect(GtkWidget* button, GdkRectangle* rect,
michael@0:                             GdkRectangle* inner_rect,
michael@0:                             GtkTextDirection direction,
michael@0:                             gboolean ignore_focus)
michael@0: {
michael@0:     GtkBorder inner_border;
michael@0:     gboolean interior_focus;
michael@0:     gint focus_width, focus_pad;
michael@0:     GtkStyleContext* style;
michael@0:     GtkBorder border;
michael@0: 
michael@0:     style = gtk_widget_get_style_context(button);
michael@0: 
michael@0:     /* This mirrors gtkbutton's child positioning */
michael@0:     moz_gtk_button_get_inner_border(button, &inner_border);
michael@0:     moz_gtk_widget_get_focus(button, &interior_focus,
michael@0:                              &focus_width, &focus_pad);
michael@0: 
michael@0:     if (ignore_focus)
michael@0:         focus_width = focus_pad = 0;
michael@0: 
michael@0:     gtk_style_context_get_border(style, 0, &border);
michael@0: 
michael@0:     inner_rect->x = rect->x + border.left + focus_width + focus_pad;
michael@0:     inner_rect->x += direction == GTK_TEXT_DIR_LTR ?
michael@0:                         inner_border.left : inner_border.right;
michael@0:     inner_rect->y = rect->y + inner_border.top + border.top +
michael@0:                     focus_width + focus_pad;
michael@0:     inner_rect->width = MAX(1, rect->width - inner_border.left -
michael@0:        inner_border.right - (border.left + focus_pad + focus_width) * 2);
michael@0:     inner_rect->height = MAX(1, rect->height - inner_border.top -
michael@0:        inner_border.bottom - (border.top + focus_pad + focus_width) * 2);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: 
michael@0: static gint
michael@0: calculate_arrow_rect(GtkWidget* arrow, GdkRectangle* rect,
michael@0:                      GdkRectangle* arrow_rect, GtkTextDirection direction)
michael@0: {
michael@0:     /* defined in gtkarrow.c */
michael@0:     gfloat arrow_scaling = 0.7;
michael@0:     gfloat xalign, xpad;
michael@0:     gint extent;
michael@0:     gint mxpad, mypad;
michael@0:     gfloat mxalign, myalign;
michael@0:     GtkMisc* misc = GTK_MISC(arrow);
michael@0: 
michael@0:     if (have_arrow_scaling)
michael@0:         gtk_widget_style_get(arrow, "arrow_scaling", &arrow_scaling, NULL);
michael@0: 
michael@0:     gtk_misc_get_padding(misc, &mxpad, &mypad); 
michael@0:     extent = MIN((rect->width - mxpad * 2),
michael@0:                  (rect->height - mypad * 2)) * arrow_scaling;
michael@0: 
michael@0:     gtk_misc_get_alignment(misc, &mxalign, &myalign);
michael@0:     
michael@0:     xalign = direction == GTK_TEXT_DIR_LTR ? mxalign : 1.0 - mxalign;
michael@0:     xpad = mxpad + (rect->width - extent) * xalign;
michael@0: 
michael@0:     arrow_rect->x = direction == GTK_TEXT_DIR_LTR ?
michael@0:                         floor(rect->x + xpad) : ceil(rect->x + xpad);
michael@0:     arrow_rect->y = floor(rect->y + mypad +
michael@0:                           ((rect->height - extent) * myalign));
michael@0: 
michael@0:     arrow_rect->width = arrow_rect->height = extent;
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_scrollbar_button_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                                GtkWidgetState* state,
michael@0:                                GtkScrollbarButtonFlags flags,
michael@0:                                GtkTextDirection direction)
michael@0: {
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:     GtkStateType saved_state;
michael@0:     GdkRectangle arrow_rect;
michael@0:     gdouble arrow_angle;
michael@0:     GtkStyleContext* style;
michael@0:     GtkWidget *scrollbar;
michael@0:     gint arrow_displacement_x, arrow_displacement_y;
michael@0:     const char* detail = (flags & MOZ_GTK_STEPPER_VERTICAL) ?
michael@0:                            "vscrollbar" : "hscrollbar";
michael@0: 
michael@0:     ensure_scrollbar_widget();
michael@0: 
michael@0:     if (flags & MOZ_GTK_STEPPER_VERTICAL)
michael@0:         scrollbar = gVertScrollbarWidget;
michael@0:     else
michael@0:         scrollbar = gHorizScrollbarWidget;
michael@0: 
michael@0:     gtk_widget_set_direction(scrollbar, direction);
michael@0: 
michael@0:     if (flags & MOZ_GTK_STEPPER_VERTICAL) {
michael@0:         arrow_angle = (flags & MOZ_GTK_STEPPER_DOWN) ? ARROW_DOWN : ARROW_UP;        
michael@0:     } else {
michael@0:         arrow_angle = (flags & MOZ_GTK_STEPPER_DOWN) ? ARROW_RIGHT : ARROW_LEFT;        
michael@0:     }
michael@0: 
michael@0:     style = gtk_widget_get_style_context(scrollbar);
michael@0:   
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SCROLLBAR);  
michael@0:     gtk_style_context_set_state(style, state_flags);
michael@0:   
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0: 
michael@0:     arrow_rect.width = rect->width / 2;
michael@0:     arrow_rect.height = rect->height / 2;
michael@0:     arrow_rect.x = rect->x + (rect->width - arrow_rect.width) / 2;
michael@0:     arrow_rect.y = rect->y + (rect->height - arrow_rect.height) / 2;
michael@0: 
michael@0:     if (state_flags & GTK_STATE_FLAG_ACTIVE) {
michael@0:         gtk_widget_style_get(scrollbar,
michael@0:                              "arrow-displacement-x", &arrow_displacement_x,
michael@0:                              "arrow-displacement-y", &arrow_displacement_y,
michael@0:                              NULL);
michael@0: 
michael@0:         arrow_rect.x += arrow_displacement_x;
michael@0:         arrow_rect.y += arrow_displacement_y;
michael@0:     }
michael@0:   
michael@0:     gtk_render_arrow(style, cr, arrow_angle,
michael@0:                      arrow_rect.x,
michael@0:                      arrow_rect.y, 
michael@0:                      arrow_rect.width);
michael@0:   
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_scrollbar_trough_paint(GtkThemeWidgetType widget,
michael@0:                                cairo_t *cr, GdkRectangle* rect,
michael@0:                                GtkWidgetState* state,
michael@0:                                GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0:     GtkScrollbar *scrollbar;
michael@0: 
michael@0:     ensure_scrollbar_widget();
michael@0: 
michael@0:     if (widget ==  MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL)
michael@0:         scrollbar = GTK_SCROLLBAR(gHorizScrollbarWidget);
michael@0:     else
michael@0:         scrollbar = GTK_SCROLLBAR(gVertScrollbarWidget);
michael@0: 
michael@0:     gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
michael@0:     
michael@0:     style = gtk_widget_get_style_context(GTK_WIDGET(scrollbar));
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
michael@0: 
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0: 
michael@0:     if (state->focused) {
michael@0:         gtk_render_focus(style, cr,
michael@0:                          rect->x, rect->y, rect->width, rect->height);
michael@0:     }
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_scrollbar_thumb_paint(GtkThemeWidgetType widget,
michael@0:                               cairo_t *cr, GdkRectangle* rect,
michael@0:                               GtkWidgetState* state,
michael@0:                               GtkTextDirection direction)
michael@0: {
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:     GtkStyleContext* style;
michael@0:     GtkScrollbar *scrollbar;
michael@0:     GtkAdjustment *adj;
michael@0: 
michael@0:     ensure_scrollbar_widget();
michael@0: 
michael@0:     if (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL)
michael@0:         scrollbar = GTK_SCROLLBAR(gHorizScrollbarWidget);
michael@0:     else
michael@0:         scrollbar = GTK_SCROLLBAR(gVertScrollbarWidget);
michael@0: 
michael@0:     gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
michael@0:   
michael@0:     style = gtk_widget_get_style_context(GTK_WIDGET(scrollbar));
michael@0:     gtk_style_context_save(style);
michael@0:        
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SLIDER);
michael@0:     gtk_style_context_set_state(style, state_flags);
michael@0: 
michael@0:     gtk_render_slider(style, cr, rect->x, rect->y,
michael@0:                       rect->width,  rect->height,
michael@0:                      (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL) ?
michael@0:                      GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL);
michael@0: 
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_spin_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                    GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_spin_widget();
michael@0:     gtk_widget_set_direction(gSpinWidget, direction);
michael@0:     style = gtk_widget_get_style_context(gSpinWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SPINBUTTON);
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_spin_updown_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                           gboolean isDown, GtkWidgetState* state,
michael@0:                           GtkTextDirection direction)
michael@0: {
michael@0:     GdkRectangle arrow_rect;
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_spin_widget();
michael@0:     style = gtk_widget_get_style_context(gSpinWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_SPINBUTTON);
michael@0:     gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
michael@0:     gtk_widget_set_direction(gSpinWidget, direction);
michael@0: 
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0: 
michael@0: 
michael@0:     /* hard code these values */
michael@0:     arrow_rect.width = 6;
michael@0:     arrow_rect.height = 6;
michael@0:     arrow_rect.x = rect->x + (rect->width - arrow_rect.width) / 2;
michael@0:     arrow_rect.y = rect->y + (rect->height - arrow_rect.height) / 2;
michael@0:     arrow_rect.y += isDown ? -1 : 1;
michael@0: 
michael@0:     gtk_render_arrow(style, cr, 
michael@0:                     isDown ? ARROW_DOWN : ARROW_UP,
michael@0:                     arrow_rect.x, arrow_rect.y,
michael@0:                     arrow_rect.width);
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: /* See gtk_range_draw() for reference.
michael@0: */
michael@0: static gint
michael@0: moz_gtk_scale_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                     GtkWidgetState* state,
michael@0:                     GtkOrientation flags, GtkTextDirection direction)
michael@0: {
michael@0:   GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:   gint x = 0, y = 0;
michael@0:   GtkStyleContext* style;
michael@0:   GtkWidget* widget;
michael@0:   GtkBorder margin;
michael@0: 
michael@0:   ensure_scale_widget();
michael@0:   widget = ((flags == GTK_ORIENTATION_HORIZONTAL) ? gHScaleWidget : gVScaleWidget);
michael@0:   gtk_widget_set_direction(widget, direction);
michael@0: 
michael@0:   style = gtk_widget_get_style_context(widget);
michael@0:   gtk_style_context_save(style);
michael@0:   gtk_style_context_add_class(style, GTK_STYLE_CLASS_SCALE);
michael@0:   gtk_style_context_get_margin(style, state_flags, &margin); 
michael@0: 
michael@0:   if (flags == GTK_ORIENTATION_HORIZONTAL) {
michael@0:     x = margin.left;
michael@0:     y++;
michael@0:   }
michael@0:   else {
michael@0:     x++;
michael@0:     y = margin.top;
michael@0:   }
michael@0: 
michael@0:   gtk_render_frame(style, cr, rect->x + x, rect->y + y,
michael@0:                    rect->width - 2*x, rect->height - 2*y);
michael@0: 
michael@0:   if (state->focused)
michael@0:     gtk_render_focus(style, cr, 
michael@0:                     rect->x, rect->y, rect->width, rect->height);
michael@0:   gtk_style_context_restore(style);
michael@0:   return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_scale_thumb_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                           GtkWidgetState* state,
michael@0:                           GtkOrientation flags, GtkTextDirection direction)
michael@0: {
michael@0:   GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:   GtkStyleContext* style;
michael@0:   GtkWidget* widget;
michael@0:   gint thumb_width, thumb_height, x, y;
michael@0: 
michael@0:   ensure_scale_widget();
michael@0:   widget = ((flags == GTK_ORIENTATION_HORIZONTAL) ? gHScaleWidget : gVScaleWidget);
michael@0:   gtk_widget_set_direction(widget, direction);
michael@0: 
michael@0:   style = gtk_widget_get_style_context(widget);
michael@0:   gtk_style_context_add_class(style, GTK_STYLE_CLASS_SLIDER);
michael@0:   gtk_style_context_save(style);
michael@0:   gtk_style_context_set_state(style, state_flags);
michael@0:   /* determine the thumb size, and position the thumb in the center in the opposite axis 
michael@0:   */
michael@0:   if (flags == GTK_ORIENTATION_HORIZONTAL) {
michael@0:     moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_HORIZONTAL, &thumb_width, &thumb_height);
michael@0:     x = rect->x;
michael@0:     y = rect->y + (rect->height - thumb_height) / 2;
michael@0:   }
michael@0:   else {
michael@0:     moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_VERTICAL, &thumb_height, &thumb_width);
michael@0:     x = rect->x + (rect->width - thumb_width) / 2;
michael@0:     y = rect->y;
michael@0:   }
michael@0: 
michael@0:   gtk_render_slider(style, cr, x, y, thumb_width, thumb_height, flags);
michael@0:   gtk_style_context_restore(style);
michael@0:   return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_gripper_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                       GtkWidgetState* state,
michael@0:                       GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_handlebox_widget();
michael@0:     gtk_widget_set_direction(gHandleBoxWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gHandleBoxWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_GRIP);
michael@0:     gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
michael@0: 
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_hpaned_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                      GtkWidgetState* state)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0:     
michael@0:     ensure_hpaned_widget();
michael@0:     style = gtk_widget_get_style_context(gHPanedWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_PANE_SEPARATOR);
michael@0:     gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
michael@0:     gtk_render_handle(style, cr,
michael@0:                       rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_vpaned_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                      GtkWidgetState* state)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_vpaned_widget();
michael@0:     style = gtk_widget_get_style_context(gVPanedWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_PANE_SEPARATOR);
michael@0:     gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
michael@0:     gtk_render_handle(style, cr,
michael@0:                       rect->x, rect->y, rect->width, rect->height);                     
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: // See gtk_entry_draw() for reference.
michael@0: static gint
michael@0: moz_gtk_entry_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                     GtkWidgetState* state,
michael@0:                     GtkWidget* widget, GtkTextDirection direction)
michael@0: {
michael@0:     gint x = rect->x, y = rect->y, width = rect->width, height = rect->height;
michael@0:     GtkStyleContext* style;
michael@0:     gboolean interior_focus;
michael@0:     gint focus_width;
michael@0: 
michael@0:     gtk_widget_set_direction(widget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(widget);
michael@0: 
michael@0:     gtk_widget_style_get(widget,
michael@0:                          "interior-focus", &interior_focus,
michael@0:                          "focus-line-width", &focus_width,
michael@0:                          NULL);
michael@0: 
michael@0:     /* gtkentry.c uses two windows, one for the entire widget and one for the
michael@0:      * text area inside it. The background of both windows is set to the "base"
michael@0:      * color of the new state in gtk_entry_state_changed, but only the inner
michael@0:      * textarea window uses gtk_paint_flat_box when exposed */
michael@0: 
michael@0:     /* This gets us a lovely greyish disabledish look */
michael@0:     gtk_widget_set_sensitive(widget, !state->disabled);
michael@0: 
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_ENTRY);
michael@0:   
michael@0:     /* Now paint the shadow and focus border.
michael@0:      * We do like in gtk_entry_draw_frame, we first draw the shadow, a tad
michael@0:      * smaller when focused if the focus is not interior, then the focus. */
michael@0: 
michael@0:     if (state->focused && !state->disabled) {
michael@0:         /* This will get us the lit borders that focused textboxes enjoy on
michael@0:          * some themes. */
michael@0:         gtk_style_context_set_state(style, GTK_STATE_FLAG_FOCUSED);
michael@0:         if (!interior_focus) {
michael@0:             /* Indent the border a little bit if we have exterior focus 
michael@0:                (this is what GTK does to draw native entries) */
michael@0:             x += focus_width;
michael@0:             y += focus_width;
michael@0:             width -= 2 * focus_width;
michael@0:             height -= 2 * focus_width;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     if (state->disabled) {
michael@0:         gtk_style_context_set_state(style, GTK_STATE_FLAG_INSENSITIVE);
michael@0:     }
michael@0: 
michael@0:     gtk_render_background(style, cr, x, y, width, height);
michael@0:     gtk_render_frame(style, cr, x, y, width, height);
michael@0: 
michael@0:     if (state->focused && !state->disabled) {
michael@0:         if (!interior_focus) {
michael@0:             gtk_render_focus(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:         }
michael@0:     }
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint 
michael@0: moz_gtk_treeview_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                        GtkWidgetState* state,
michael@0:                        GtkTextDirection direction)
michael@0: {
michael@0:     gint xthickness, ythickness;
michael@0:     GtkStyleContext *style;
michael@0:     GtkStyleContext *style_tree;
michael@0:     GtkStateFlags state_flags;
michael@0:     GtkBorder border;
michael@0: 
michael@0:     ensure_tree_view_widget();
michael@0:     ensure_scrolled_window_widget();
michael@0: 
michael@0:     gtk_widget_set_direction(gTreeViewWidget, direction);
michael@0:     gtk_widget_set_direction(gScrolledWindowWidget, direction);
michael@0: 
michael@0:     /* only handle disabled and normal states, otherwise the whole background
michael@0:      * area will be painted differently with other states */
michael@0:     state_flags = state->disabled ? GTK_STATE_FLAG_INSENSITIVE : GTK_STATE_FLAG_NORMAL;
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gScrolledWindowWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_FRAME);    
michael@0:     gtk_style_context_get_border(style, state_flags, &border);
michael@0:     xthickness = border.left;
michael@0:     ythickness = border.top;    
michael@0: 
michael@0:     style_tree = gtk_widget_get_style_context(gTreeViewWidget);
michael@0:     gtk_style_context_save(style_tree);
michael@0:     gtk_style_context_add_class(style_tree, GTK_STYLE_CLASS_VIEW);
michael@0:     
michael@0:     gtk_render_background(style_tree, cr,
michael@0:                           rect->x + xthickness, rect->y + ythickness,
michael@0:                           rect->width - 2 * xthickness,
michael@0:                           rect->height - 2 * ythickness);
michael@0:     gtk_render_frame(style, cr, 
michael@0:                      rect->x, rect->y, rect->width, rect->height); 
michael@0:     gtk_style_context_restore(style);
michael@0:     gtk_style_context_restore(style_tree);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_tree_header_cell_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                                GtkWidgetState* state,
michael@0:                                gboolean isSorted, GtkTextDirection direction)
michael@0: {
michael@0:     moz_gtk_button_paint(cr, rect, state, GTK_RELIEF_NORMAL,
michael@0:                          gTreeHeaderCellWidget, direction);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_tree_header_sort_arrow_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                                      GtkWidgetState* state, GtkArrowType arrow_type,
michael@0:                                      GtkTextDirection direction)
michael@0: {
michael@0:     GdkRectangle arrow_rect;
michael@0:     gdouble arrow_angle;
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_tree_header_cell_widget();
michael@0:     gtk_widget_set_direction(gTreeHeaderSortArrowWidget, direction);
michael@0: 
michael@0:     /* hard code these values */
michael@0:     arrow_rect.width = 11;
michael@0:     arrow_rect.height = 11;
michael@0:     arrow_rect.x = rect->x + (rect->width - arrow_rect.width) / 2;
michael@0:     arrow_rect.y = rect->y + (rect->height - arrow_rect.height) / 2;
michael@0:     style = gtk_widget_get_style_context(gTreeHeaderSortArrowWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
michael@0: 
michael@0:     switch (arrow_type) {
michael@0:     case GTK_ARROW_LEFT:
michael@0:         arrow_angle = ARROW_LEFT;
michael@0:         break;
michael@0:     case GTK_ARROW_RIGHT:
michael@0:         arrow_angle = ARROW_RIGHT;
michael@0:         break;
michael@0:     case GTK_ARROW_DOWN:
michael@0:         arrow_angle = ARROW_DOWN;
michael@0:         break;
michael@0:     default:
michael@0:         arrow_angle = ARROW_UP;
michael@0:         break;
michael@0:     }
michael@0:     if (arrow_type != GTK_ARROW_NONE)
michael@0:         gtk_render_arrow(style, cr, arrow_angle,
michael@0:                          arrow_rect.x, arrow_rect.y,
michael@0:                          arrow_rect.width);
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: /* See gtk_expander_paint() for reference. 
michael@0:  */
michael@0: static gint
michael@0: moz_gtk_treeview_expander_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                                 GtkWidgetState* state,
michael@0:                                 GtkExpanderStyle expander_state,
michael@0:                                 GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext *style;
michael@0:     GtkStateFlags    state_flags;
michael@0: 
michael@0:     ensure_tree_view_widget();
michael@0:     gtk_widget_set_direction(gTreeViewWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gTreeViewWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_EXPANDER);
michael@0: 
michael@0:     /* Because the frame we get is of the entire treeview, we can't get the precise
michael@0:      * event state of one expander, thus rendering hover and active feedback useless. */
michael@0:     state_flags = state->disabled ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL;
michael@0: 
michael@0:     /* GTK_STATE_FLAG_ACTIVE controls expanded/colapsed state rendering
michael@0:      * in gtk_render_expander()
michael@0:      */
michael@0:     if (expander_state == GTK_EXPANDER_EXPANDED)
michael@0:         state_flags |= GTK_STATE_FLAG_ACTIVE;
michael@0:     else
michael@0:         state_flags &= ~(GTK_STATE_FLAG_ACTIVE);
michael@0: 
michael@0:     gtk_style_context_set_state(style, state_flags);
michael@0: 
michael@0:     gtk_render_expander(style, cr,
michael@0:                         rect->x,
michael@0:                         rect->y,
michael@0:                         rect->width,
michael@0:                         rect->height);
michael@0: 
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: /* See gtk_separator_draw() for reference.
michael@0: */
michael@0: static gint
michael@0: moz_gtk_combo_box_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                         GtkWidgetState* state,
michael@0:                         gboolean ishtml, GtkTextDirection direction)
michael@0: {
michael@0:     GdkRectangle arrow_rect, real_arrow_rect;
michael@0:     gint arrow_size, separator_width;
michael@0:     gboolean wide_separators;
michael@0:     GtkStyleContext* style;
michael@0:     GtkRequisition arrow_req;
michael@0: 
michael@0:     ensure_combo_box_widgets();
michael@0: 
michael@0:     /* Also sets the direction on gComboBoxButtonWidget, which is then
michael@0:      * inherited by the separator and arrow */
michael@0:     moz_gtk_button_paint(cr, rect, state, GTK_RELIEF_NORMAL,
michael@0:                          gComboBoxButtonWidget, direction);
michael@0: 
michael@0:     calculate_button_inner_rect(gComboBoxButtonWidget,
michael@0:                                 rect, &arrow_rect, direction, ishtml);
michael@0:     /* Now arrow_rect contains the inner rect ; we want to correct the width
michael@0:      * to what the arrow needs (see gtk_combo_box_size_allocate) */
michael@0:     gtk_widget_size_request(gComboBoxArrowWidget, &arrow_req);
michael@0:     if (direction == GTK_TEXT_DIR_LTR)
michael@0:         arrow_rect.x += arrow_rect.width - arrow_req.width;
michael@0:     arrow_rect.width = arrow_req.width;
michael@0: 
michael@0:     calculate_arrow_rect(gComboBoxArrowWidget,
michael@0:                          &arrow_rect, &real_arrow_rect, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gComboBoxArrowWidget);
michael@0:     gtk_render_arrow(style, cr, ARROW_DOWN,
michael@0:                      real_arrow_rect.x, real_arrow_rect.y,
michael@0:                      real_arrow_rect.width);
michael@0: 
michael@0:     /* If there is no separator in the theme, there's nothing left to do. */
michael@0:     if (!gComboBoxSeparatorWidget)
michael@0:         return MOZ_GTK_SUCCESS;
michael@0:     style = gtk_widget_get_style_context(gComboBoxSeparatorWidget);
michael@0:     gtk_widget_style_get(gComboBoxSeparatorWidget,
michael@0:                          "wide-separators", &wide_separators,
michael@0:                          "separator-width", &separator_width,
michael@0:                          NULL);
michael@0: 
michael@0:     if (wide_separators) {
michael@0:         if (direction == GTK_TEXT_DIR_LTR)
michael@0:             arrow_rect.x -= separator_width;
michael@0:         else
michael@0:             arrow_rect.x += arrow_rect.width;
michael@0:         
michael@0:         gtk_render_frame(style, cr, arrow_rect.x, arrow_rect.y, separator_width, arrow_rect.height);
michael@0:     } else {
michael@0:         if (direction == GTK_TEXT_DIR_LTR) {
michael@0:             GtkBorder padding;
michael@0:             GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:             gtk_style_context_get_padding(style, state_flags, &padding);
michael@0:             arrow_rect.x -= padding.left;
michael@0:         }
michael@0:         else
michael@0:             arrow_rect.x += arrow_rect.width;
michael@0:         
michael@0:         gtk_render_line(style, cr, 
michael@0:                         arrow_rect.x, arrow_rect.y, 
michael@0:                         arrow_rect.x, arrow_rect.y + arrow_rect.height);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_arrow_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                     GtkWidgetState* state,
michael@0:                     GtkArrowType arrow_type, GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:     GdkRectangle arrow_rect;
michael@0:     gdouble arrow_angle = ARROW_UP;
michael@0: 
michael@0:     ensure_button_arrow_widget();
michael@0:     style = gtk_widget_get_style_context(gButtonArrowWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_set_state(style, state_flags);
michael@0:     gtk_widget_set_direction(gButtonArrowWidget, direction);
michael@0: 
michael@0:     calculate_arrow_rect(gButtonArrowWidget, rect, &arrow_rect,
michael@0:                          direction);
michael@0: 
michael@0:     if (direction == GTK_TEXT_DIR_RTL) {
michael@0:         if (arrow_type == GTK_ARROW_LEFT)
michael@0:             arrow_angle = ARROW_RIGHT;
michael@0:         else if (arrow_type == GTK_ARROW_RIGHT)
michael@0:             arrow_angle = ARROW_LEFT;
michael@0:     } else if (arrow_type == GTK_ARROW_DOWN) {
michael@0:         arrow_angle = ARROW_DOWN;
michael@0:     }
michael@0:     if (arrow_type != GTK_ARROW_NONE)
michael@0:         gtk_render_arrow(style, cr, arrow_angle,
michael@0:                          arrow_rect.x, arrow_rect.y, arrow_rect.width);                    
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_combo_box_entry_button_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                                      GtkWidgetState* state,
michael@0:                                      gboolean input_focus,
michael@0:                                      GtkTextDirection direction)
michael@0: {
michael@0:     gint x_displacement, y_displacement;
michael@0:     GdkRectangle arrow_rect, real_arrow_rect;
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_combo_box_entry_widgets();
michael@0: 
michael@0:     moz_gtk_button_paint(cr, rect, state, GTK_RELIEF_NORMAL,
michael@0:                          gComboBoxEntryButtonWidget, direction);
michael@0: 
michael@0:     calculate_button_inner_rect(gComboBoxEntryButtonWidget,
michael@0:                                 rect, &arrow_rect, direction, FALSE);
michael@0:     if (state_flags & GTK_STATE_FLAG_ACTIVE) {
michael@0:         gtk_widget_style_get(gComboBoxEntryButtonWidget,
michael@0:                              "child-displacement-x", &x_displacement,
michael@0:                              "child-displacement-y", &y_displacement,
michael@0:                              NULL);
michael@0:         arrow_rect.x += x_displacement;
michael@0:         arrow_rect.y += y_displacement;
michael@0:     }
michael@0: 
michael@0:     calculate_arrow_rect(gComboBoxEntryArrowWidget,
michael@0:                          &arrow_rect, &real_arrow_rect, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gComboBoxEntryArrowWidget);
michael@0: 
michael@0:     gtk_render_arrow(style, cr, ARROW_DOWN,
michael@0:                     real_arrow_rect.x, real_arrow_rect.y,
michael@0:                     real_arrow_rect.width);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_container_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                         GtkWidgetState* state, 
michael@0:                         gboolean isradio, GtkTextDirection direction)
michael@0: {
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:     GtkStyleContext* style;
michael@0:     GtkWidget *widget;
michael@0:     gboolean interior_focus;
michael@0:     gint focus_width, focus_pad;
michael@0: 
michael@0:     if (isradio) {
michael@0:         ensure_radiobutton_widget();
michael@0:         widget = gRadiobuttonWidget;
michael@0:     } else {
michael@0:         ensure_checkbox_widget();
michael@0:         widget = gCheckboxWidget;
michael@0:     }
michael@0:     gtk_widget_set_direction(widget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(widget);
michael@0:     gtk_style_context_save(style);
michael@0:     moz_gtk_widget_get_focus(widget, &interior_focus, &focus_width, &focus_pad);
michael@0:     gtk_style_context_set_state(style, state_flags);
michael@0:   
michael@0:     /* this is for drawing a prelight box */
michael@0:     if (state_flags & GTK_STATE_FLAG_PRELIGHT) {
michael@0:         gtk_render_background(style, cr,
michael@0:                               rect->x, rect->y, rect->width, rect->height);
michael@0:     }
michael@0:   
michael@0:     if (state->focused && !interior_focus) {
michael@0:         gtk_render_focus(style, cr,
michael@0:                         rect->x, rect->y, rect->width, rect->height);
michael@0:     }
michael@0:     gtk_style_context_restore(style);
michael@0:   
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_toggle_label_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                            GtkWidgetState* state, 
michael@0:                            gboolean isradio, GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext *style;
michael@0:     GtkWidget *widget;
michael@0:     gboolean interior_focus;
michael@0: 
michael@0:     if (!state->focused)
michael@0:         return MOZ_GTK_SUCCESS;
michael@0: 
michael@0:     if (isradio) {
michael@0:         ensure_radiobutton_widget();
michael@0:         widget = gRadiobuttonWidget;
michael@0:     } else {
michael@0:         ensure_checkbox_widget();
michael@0:         widget = gCheckboxWidget;
michael@0:     }
michael@0:     style = gtk_widget_get_style_context(widget);
michael@0:     gtk_style_context_save(style);
michael@0:     if (isradio) {
michael@0:       gtk_style_context_add_class(style, GTK_STYLE_CLASS_RADIO);
michael@0:     } else {
michael@0:       gtk_style_context_add_class(style, GTK_STYLE_CLASS_CHECK);
michael@0:     }
michael@0:     gtk_widget_set_direction(widget, direction);
michael@0: 
michael@0:     gtk_widget_style_get(widget, "interior-focus", &interior_focus, NULL);
michael@0:     if (!interior_focus)
michael@0:         return MOZ_GTK_SUCCESS;
michael@0: 
michael@0:     gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
michael@0:     gtk_render_focus(style, cr,
michael@0:                     rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_toolbar_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                       GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_toolbar_widget();
michael@0:     gtk_widget_set_direction(gToolbarWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gToolbarWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOOLBAR);
michael@0: 
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: /* See _gtk_toolbar_paint_space_line() for reference.
michael@0: */
michael@0: static gint
michael@0: moz_gtk_toolbar_separator_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                                 GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0:     gint     separator_width;
michael@0:     gint     paint_width;
michael@0:     gboolean wide_separators;
michael@0:     
michael@0:     /* Defined as constants in GTK+ 2.10.14 */
michael@0:     const double start_fraction = 0.2;
michael@0:     const double end_fraction = 0.8;
michael@0: 
michael@0:     ensure_toolbar_separator_widget();
michael@0:     gtk_widget_set_direction(gToolbarSeparatorWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gToolbarSeparatorWidget);
michael@0: 
michael@0:     gtk_widget_style_get(gToolbarWidget,
michael@0:                          "wide-separators", &wide_separators,
michael@0:                          "separator-width", &separator_width,
michael@0:                          NULL);
michael@0: 
michael@0:     if (wide_separators) {
michael@0:         if (separator_width > rect->width)
michael@0:             separator_width = rect->width;
michael@0:         
michael@0:         gtk_render_frame(style, cr,
michael@0:                           rect->x + (rect->width - separator_width) / 2,
michael@0:                           rect->y + rect->height * start_fraction,
michael@0:                           separator_width,
michael@0:                           rect->height * (end_fraction - start_fraction));
michael@0:     } else {
michael@0:         GtkBorder padding;
michael@0:         gtk_style_context_get_padding(style, 0, &padding);
michael@0:     
michael@0:         paint_width = padding.left;
michael@0:         if (paint_width > rect->width)
michael@0:             paint_width = rect->width;
michael@0:         
michael@0:         gtk_render_line(style, cr, 
michael@0:                         rect->x + (rect->width - paint_width) / 2,
michael@0:                         rect->y + rect->height * start_fraction,
michael@0:                         rect->x + (rect->width - paint_width) / 2,
michael@0:                         rect->y + rect->height * end_fraction);
michael@0:     }
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_tooltip_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                       GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_tooltip_widget();
michael@0:     gtk_widget_set_direction(gTooltipWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gTooltipWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TOOLTIP);
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_resizer_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                       GtkWidgetState* state,
michael@0:                       GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_frame_widget();
michael@0:     gtk_widget_set_direction(gStatusbarWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gStatusbarWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_GRIP);
michael@0:     gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
michael@0: 
michael@0:     gtk_render_handle(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_frame_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                     GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_frame_widget();
michael@0:     gtk_widget_set_direction(gFrameWidget, direction);
michael@0:     style = gtk_widget_get_style_context(gFrameWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_FRAME);
michael@0: 
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_progressbar_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                           GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_progress_widget();
michael@0:     gtk_widget_set_direction(gProgressWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gProgressWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_TROUGH);
michael@0:     
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_progress_chunk_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                              GtkTextDirection direction,
michael@0:                              GtkThemeWidgetType widget)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_progress_widget();
michael@0:     gtk_widget_set_direction(gProgressWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gProgressWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_PROGRESSBAR);
michael@0: 
michael@0:     if (widget == MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE ||
michael@0:         widget == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE) {
michael@0:       /**
michael@0:        * The bar's size and the bar speed are set depending of the progress'
michael@0:        * size. These could also be constant for all progress bars easily.
michael@0:        */
michael@0:       gboolean vertical = (widget == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE);
michael@0: 
michael@0:       /* The size of the dimension we are going to use for the animation. */
michael@0:       const gint progressSize = vertical ? rect->height : rect->width;
michael@0: 
michael@0:       /* The bar is using a fifth of the element size, based on GtkProgressBar
michael@0:        * activity-blocks property. */
michael@0:       const gint barSize = MAX(1, progressSize / 5);
michael@0: 
michael@0:       /* Represents the travel that has to be done for a complete cycle. */
michael@0:       const gint travel = 2 * (progressSize - barSize);
michael@0: 
michael@0:       /* period equals to travel / pixelsPerMillisecond
michael@0:        * where pixelsPerMillisecond equals progressSize / 1000.0.
michael@0:        * This is equivalent to 1600. */
michael@0:       static const guint period = 1600;
michael@0:       const gint t = PR_IntervalToMilliseconds(PR_IntervalNow()) % period;
michael@0:       const gint dx = travel * t / period;
michael@0: 
michael@0:       if (vertical) {
michael@0:         rect->y += (dx < travel / 2) ? dx : travel - dx;
michael@0:         rect->height = barSize;
michael@0:       } else {
michael@0:         rect->x += (dx < travel / 2) ? dx : travel - dx;
michael@0:         rect->width = barSize;
michael@0:       }
michael@0:     }
michael@0:   
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_activity(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_tab_thickness(void)
michael@0: {
michael@0:     GtkBorder border;
michael@0: 
michael@0:     ensure_tab_widget();
michael@0:     GtkStyleContext * style = gtk_widget_get_style_context(gTabWidget);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_NOTEBOOK);
michael@0:     gtk_style_context_get_border(style, 0, &border);
michael@0: 
michael@0:     if (border.top < 2)
michael@0:         return 2; /* some themes don't set ythickness correctly */
michael@0: 
michael@0:     return border.top;
michael@0: }
michael@0: 
michael@0: /* actual small tabs */
michael@0: static gint
michael@0: moz_gtk_tab_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                   GtkWidgetState* state,
michael@0:                   GtkTabFlags flags, GtkTextDirection direction)
michael@0: {
michael@0:     /* When the tab isn't selected, we just draw a notebook extension.
michael@0:      * When it is selected, we overwrite the adjacent border of the tabpanel
michael@0:      * touching the tab with a pierced border (called "the gap") to make the
michael@0:      * tab appear physically attached to the tabpanel; see details below. */
michael@0: 
michael@0:     GtkStyleContext* style;
michael@0:     GdkRectangle focusRect;
michael@0:     GdkRectangle backRect;
michael@0: 
michael@0:     ensure_tab_widget();
michael@0:     gtk_widget_set_direction(gTabWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gTabWidget);    
michael@0:     backRect = focusRect = *rect;
michael@0: 
michael@0:     gtk_style_context_save(style);
michael@0: 
michael@0:     if ((flags & MOZ_GTK_TAB_SELECTED) == 0) {
michael@0:         /* Only draw the tab */
michael@0:         gtk_style_context_set_state(style, GTK_STATE_FLAG_NORMAL);
michael@0:         gtk_render_extension(style, cr,
michael@0:                              rect->x, rect->y, rect->width, rect->height,
michael@0:                             (flags & MOZ_GTK_TAB_BOTTOM) ?
michael@0:                                 GTK_POS_TOP : GTK_POS_BOTTOM );
michael@0:     } else {
michael@0:         /* Draw the tab and the gap
michael@0:          * We want the gap to be positioned exactly on the tabpanel top
michael@0:          * border; since tabbox.css may set a negative margin so that the tab
michael@0:          * frame rect already overlaps the tabpanel frame rect, we need to take
michael@0:          * that into account when drawing. To that effect, nsNativeThemeGTK
michael@0:          * passes us this negative margin (bmargin in the graphic below) in the
michael@0:          * lowest bits of |flags|.  We use it to set gap_voffset, the distance
michael@0:          * between the top of the gap and the bottom of the tab (resp. the
michael@0:          * bottom of the gap and the top of the tab when we draw a bottom tab),
michael@0:          * while ensuring that the gap always touches the border of the tab,
michael@0:          * i.e. 0 <= gap_voffset <= gap_height, to avoid surprinsing results
michael@0:          * with big negative or positive margins.
michael@0:          * Here is a graphical explanation in the case of top tabs:
michael@0:          *             ___________________________
michael@0:          *            /                           \
michael@0:          *           |            T A B            |
michael@0:          * ----------|. . . . . . . . . . . . . . .|----- top of tabpanel
michael@0:          *           :    ^       bmargin          :  ^
michael@0:          *           :    | (-negative margin,     :  |
michael@0:          *  bottom   :    v  passed in flags)      :  |       gap_height
michael@0:          *    of  -> :.............................:  |    (the size of the
michael@0:          * the tab   .       part of the gap       .  |  tabpanel top border)
michael@0:          *           .      outside of the tab     .  v
michael@0:          * ----------------------------------------------
michael@0:          *
michael@0:          * To draw the gap, we use gtk_paint_box_gap(), see comment in
michael@0:          * moz_gtk_tabpanels_paint(). This box_gap is made 3 * gap_height tall,
michael@0:          * which should suffice to ensure that the only visible border is the
michael@0:          * pierced one.  If the tab is in the middle, we make the box_gap begin
michael@0:          * a bit to the left of the tab and end a bit to the right, adjusting
michael@0:          * the gap position so it still is under the tab, because we want the
michael@0:          * rendering of a gap in the middle of a tabpanel.  This is the role of
michael@0:          * the gints gap_{l,r}_offset. On the contrary, if the tab is the
michael@0:          * first, we align the start border of the box_gap with the start
michael@0:          * border of the tab (left if LTR, right if RTL), by setting the
michael@0:          * appropriate offset to 0.*/
michael@0:         gint gap_loffset, gap_roffset, gap_voffset, gap_height;
michael@0: 
michael@0:         /* Get height needed by the gap */
michael@0:         gap_height = moz_gtk_get_tab_thickness();
michael@0: 
michael@0:         /* Extract gap_voffset from the first bits of flags */
michael@0:         gap_voffset = flags & MOZ_GTK_TAB_MARGIN_MASK;
michael@0:         if (gap_voffset > gap_height)
michael@0:             gap_voffset = gap_height;
michael@0: 
michael@0:         /* Set gap_{l,r}_offset to appropriate values */
michael@0:         gap_loffset = gap_roffset = 20; /* should be enough */
michael@0:         if (flags & MOZ_GTK_TAB_FIRST) {
michael@0:             if (direction == GTK_TEXT_DIR_RTL)
michael@0:                 gap_roffset = 0;
michael@0:             else
michael@0:                 gap_loffset = 0;
michael@0:         }
michael@0: 
michael@0:         gtk_style_context_set_state(style, GTK_STATE_FLAG_ACTIVE);
michael@0: 
michael@0:         /* Adwaita theme engine crashes without it (rhbz#713764) */
michael@0:         gtk_style_context_add_region(style, GTK_STYLE_REGION_TAB, 0);      
michael@0: 
michael@0:         if (flags & MOZ_GTK_TAB_BOTTOM) {
michael@0:             /* Draw the tab on bottom */
michael@0:             focusRect.y += gap_voffset;
michael@0:             focusRect.height -= gap_voffset;
michael@0: 
michael@0:             gtk_render_extension(style, cr,
michael@0:                                  rect->x, rect->y + gap_voffset, rect->width,
michael@0:                                  rect->height - gap_voffset, GTK_POS_TOP);
michael@0: 
michael@0:             gtk_style_context_remove_region(style, GTK_STYLE_REGION_TAB);
michael@0: 
michael@0:             backRect.y += (gap_voffset - gap_height);
michael@0:             backRect.height = gap_height;
michael@0: 
michael@0:             /* Draw the gap; erase with background color before painting in
michael@0:              * case theme does not */
michael@0:             gtk_render_background(style, cr, backRect.x, backRect.y,
michael@0:                                  backRect.width, backRect.height);
michael@0:             cairo_save(cr);
michael@0:             cairo_rectangle(cr, backRect.x, backRect.y, backRect.width, backRect.height);
michael@0:             cairo_clip(cr);
michael@0: 
michael@0:             gtk_render_frame_gap(style, cr,
michael@0:                                  rect->x - gap_loffset,
michael@0:                                  rect->y + gap_voffset - 3 * gap_height,
michael@0:                                  rect->width + gap_loffset + gap_roffset,
michael@0:                                  3 * gap_height, GTK_POS_BOTTOM,
michael@0:                                  gap_loffset, gap_loffset + rect->width);
michael@0:             cairo_restore(cr);
michael@0:         } else {
michael@0:             /* Draw the tab on top */
michael@0:             focusRect.height -= gap_voffset;
michael@0:             gtk_render_extension(style, cr,
michael@0:                                  rect->x, rect->y, rect->width,
michael@0:                                  rect->height - gap_voffset, GTK_POS_BOTTOM);
michael@0: 
michael@0:             gtk_style_context_remove_region(style, GTK_STYLE_REGION_TAB);
michael@0: 
michael@0:             backRect.y += (rect->height - gap_voffset);
michael@0:             backRect.height = gap_height;
michael@0: 
michael@0:             /* Draw the gap; erase with background color before painting in
michael@0:              * case theme does not */
michael@0:             gtk_render_background(style, cr, backRect.x, backRect.y,
michael@0:                                   backRect.width, backRect.height);
michael@0:             cairo_save(cr);
michael@0:             cairo_rectangle(cr, backRect.x, backRect.y, backRect.width, backRect.height);
michael@0:             cairo_clip(cr);
michael@0: 
michael@0:             gtk_render_frame_gap(style, cr,
michael@0:                                  rect->x - gap_loffset,
michael@0:                                  rect->y + rect->height - gap_voffset,
michael@0:                                  rect->width + gap_loffset + gap_roffset,
michael@0:                                  3 * gap_height, GTK_POS_TOP,
michael@0:                                  gap_loffset, gap_loffset + rect->width);
michael@0:             cairo_restore(cr);
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     if (state->focused) {
michael@0:       /* Paint the focus ring */
michael@0:       GtkBorder border;
michael@0:       gtk_style_context_get_border(style, GetStateFlagsFromGtkWidgetState(state), &border);
michael@0: 
michael@0:       focusRect.x += border.left;
michael@0:       focusRect.width -= (border.left + border.right);
michael@0:       focusRect.y += border.top;
michael@0:       focusRect.height -= (border.top + border.bottom);
michael@0: 
michael@0:       gtk_render_focus(style, cr,
michael@0:                       focusRect.x, focusRect.y, focusRect.width, focusRect.height);
michael@0:     }
michael@0: 
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: /* tab area*/
michael@0: static gint
michael@0: moz_gtk_tabpanels_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                         GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_tab_widget();
michael@0:     gtk_widget_set_direction(gTabWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gTabWidget);
michael@0:     gtk_style_context_save(style);
michael@0: 
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, 
michael@0:                           rect->width, rect->height);
michael@0:     /*
michael@0:      * The gap size is not needed in moz_gtk_tabpanels_paint because 
michael@0:      * the gap will be painted with the foreground tab in moz_gtk_tab_paint.
michael@0:      *
michael@0:      * However, if moz_gtk_tabpanels_paint just uses gtk_render_frame(), 
michael@0:      * the theme will think that there are no tabs and may draw something 
michael@0:      * different.Hence the trick of using two clip regions, and drawing the 
michael@0:      * gap outside each clip region, to get the correct frame for 
michael@0:      * a tabpanel with tabs.
michael@0:      */
michael@0:     /* left side */
michael@0:     cairo_save(cr);
michael@0:     cairo_rectangle(cr, rect->x, rect->y,
michael@0:                     rect->x + rect->width / 2,
michael@0:                     rect->y + rect->height);
michael@0:     cairo_clip(cr);
michael@0:     gtk_render_frame_gap(style, cr,
michael@0:                          rect->x, rect->y,
michael@0:                          rect->width, rect->height,
michael@0:                          GTK_POS_TOP, rect->width - 1, rect->width);
michael@0:     cairo_restore(cr);
michael@0:     
michael@0:     /* right side */
michael@0:     cairo_save(cr);
michael@0:     cairo_rectangle(cr, rect->x + rect->width / 2, rect->y,
michael@0:                     rect->x + rect->width,
michael@0:                     rect->y + rect->height);
michael@0:     cairo_clip(cr);
michael@0:     gtk_render_frame_gap(style, cr,
michael@0:                          rect->x, rect->y,
michael@0:                          rect->width, rect->height,
michael@0:                          GTK_POS_TOP, 0, 1);
michael@0:     cairo_restore(cr);
michael@0: 
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_tab_scroll_arrow_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                                GtkWidgetState* state,
michael@0:                                GtkArrowType arrow_type,
michael@0:                                GtkTextDirection direction)
michael@0: {
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:     GtkStyleContext* style;
michael@0:     gdouble arrow_angle;
michael@0:     gint arrow_size = MIN(rect->width, rect->height);
michael@0:     gint x = rect->x + (rect->width - arrow_size) / 2;
michael@0:     gint y = rect->y + (rect->height - arrow_size) / 2;
michael@0: 
michael@0:     ensure_tab_widget();
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gTabWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     if (direction == GTK_TEXT_DIR_RTL) {
michael@0:         arrow_type = (arrow_type == GTK_ARROW_LEFT) ?
michael@0:                          GTK_ARROW_RIGHT : GTK_ARROW_LEFT;
michael@0:     }    
michael@0:     switch (arrow_type) {
michael@0:     case GTK_ARROW_LEFT:
michael@0:         arrow_angle = ARROW_LEFT;
michael@0:         break;
michael@0:     case GTK_ARROW_RIGHT:
michael@0:         arrow_angle = ARROW_RIGHT;
michael@0:         break;
michael@0:     case GTK_ARROW_DOWN:
michael@0:         arrow_angle = ARROW_DOWN;
michael@0:         break;
michael@0:     default:
michael@0:         arrow_angle = ARROW_UP;
michael@0:         break;      
michael@0:     }
michael@0:     if (arrow_type != GTK_ARROW_NONE)  {        
michael@0:         gtk_style_context_add_class(style, GTK_STYLE_CLASS_NOTEBOOK); /* TODO TEST */
michael@0:         gtk_style_context_set_state(style, state_flags);
michael@0:         gtk_render_arrow(style, cr, arrow_angle,
michael@0:                          x, y, arrow_size);
michael@0:     }
michael@0:     gtk_style_context_restore(style);
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_menu_bar_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                        GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_menu_bar_widget();
michael@0:     gtk_widget_set_direction(gMenuBarWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gMenuBarWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENUBAR);
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0:     
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_menu_popup_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                          GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_menu_popup_widget();
michael@0:     gtk_widget_set_direction(gMenuPopupWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gMenuPopupWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENU);
michael@0: 
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_render_frame(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: // See gtk_menu_item_draw() for reference.
michael@0: static gint
michael@0: moz_gtk_menu_separator_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                              GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0:     gboolean wide_separators;
michael@0:     gint separator_height;
michael@0:     gint paint_height;
michael@0:     guint border_width;
michael@0:     gint x, y, w, h;
michael@0:     GtkBorder padding;
michael@0: 
michael@0:     ensure_menu_separator_widget();
michael@0:     gtk_widget_set_direction(gMenuSeparatorWidget, direction);
michael@0: 
michael@0:     border_width = gtk_container_get_border_width(gMenuSeparatorWidget);
michael@0:     gtk_widget_style_get(gMenuSeparatorWidget,
michael@0:                          "wide-separators",    &wide_separators,
michael@0:                          "separator-height",   &separator_height,
michael@0:                          NULL);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gMenuSeparatorWidget);
michael@0:     gtk_style_context_get_padding(style, 0, &padding);
michael@0: 
michael@0:     x = rect->x + border_width;
michael@0:     y = rect->y + border_width;
michael@0:     w = rect->width - border_width * 2;
michael@0:     h = rect->height - border_width * 2;
michael@0: 
michael@0:     if (wide_separators) {
michael@0:       gtk_render_frame(style, cr,
michael@0:                        x + padding.left,
michael@0:                        y + padding.top,
michael@0:                        w - padding.left - padding.right,
michael@0:                        separator_height);
michael@0:     } else {
michael@0:       gtk_render_line(style, cr,
michael@0:                       x + padding.left,
michael@0:                       y + padding.top,
michael@0:                       x + w - padding.right - 1,
michael@0:                       y + padding.top);
michael@0:     }
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: // See gtk_menu_item_draw() for reference.
michael@0: static gint
michael@0: moz_gtk_menu_item_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                         GtkWidgetState* state,
michael@0:                         gint flags, GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0:     GtkWidget* item_widget;
michael@0:     guint border_width;
michael@0:     gint x, y, w, h;
michael@0: 
michael@0:     if (state->inHover && !state->disabled) {   
michael@0:         if (flags & MOZ_TOPLEVEL_MENU_ITEM) {
michael@0:             ensure_menu_bar_item_widget();
michael@0:             item_widget = gMenuBarItemWidget;
michael@0:         } else {
michael@0:             ensure_menu_item_widget();
michael@0:             item_widget = gMenuItemWidget;
michael@0:         }
michael@0:         style = gtk_widget_get_style_context(item_widget);
michael@0:         gtk_style_context_save(style);
michael@0: 
michael@0:         if (flags & MOZ_TOPLEVEL_MENU_ITEM) {
michael@0:             gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENUBAR);
michael@0:         }
michael@0: 
michael@0:         gtk_widget_set_direction(item_widget, direction);
michael@0:         gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENUITEM);
michael@0:         gtk_style_context_set_state(style, GetStateFlagsFromGtkWidgetState(state));
michael@0: 
michael@0:         border_width = gtk_container_get_border_width(GTK_CONTAINER(item_widget));
michael@0: 
michael@0:         x = rect->x + border_width;
michael@0:         y = rect->y + border_width;
michael@0:         w = rect->width - border_width * 2;
michael@0:         h = rect->height - border_width * 2;
michael@0: 
michael@0:         gtk_render_background(style, cr, x, y, w, h);
michael@0:         gtk_render_frame(style, cr, x, y, w, h);
michael@0:         gtk_style_context_restore(style);
michael@0:     }
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_menu_arrow_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                          GtkWidgetState* state,
michael@0:                          GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0: 
michael@0:     ensure_menu_item_widget();
michael@0:     gtk_widget_set_direction(gMenuItemWidget, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gMenuItemWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_MENUITEM);
michael@0:     gtk_style_context_set_state(style, state_flags);
michael@0:     gtk_render_arrow(style, cr,
michael@0:                     (direction == GTK_TEXT_DIR_LTR) ? ARROW_RIGHT : ARROW_LEFT,
michael@0:                     rect->x, rect->y, rect->width);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: // See gtk_real_check_menu_item_draw_indicator() for reference.
michael@0: static gint
michael@0: moz_gtk_check_menu_item_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                               GtkWidgetState* state,
michael@0:                               gboolean checked, gboolean isradio,
michael@0:                               GtkTextDirection direction)
michael@0: {
michael@0:     GtkStateFlags state_flags = GetStateFlagsFromGtkWidgetState(state);
michael@0:     GtkStyleContext* style;
michael@0:     GtkBorder padding;
michael@0:     gint offset;
michael@0:     gint indicator_size, horizontal_padding;
michael@0:     gint x, y;
michael@0: 
michael@0:     moz_gtk_menu_item_paint(cr, rect, state, FALSE, direction);
michael@0: 
michael@0:     ensure_check_menu_item_widget();
michael@0:     gtk_widget_set_direction(gCheckMenuItemWidget, direction);
michael@0: 
michael@0:     gtk_widget_style_get (gCheckMenuItemWidget,
michael@0:                           "indicator-size", &indicator_size,
michael@0:                           "horizontal-padding", &horizontal_padding,
michael@0:                           NULL);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gCheckMenuItemWidget);
michael@0:     gtk_style_context_save(style);
michael@0:     if (isradio) {
michael@0:       gtk_style_context_add_class(style, GTK_STYLE_CLASS_RADIO);
michael@0:     } else {
michael@0:       gtk_style_context_add_class(style, GTK_STYLE_CLASS_CHECK);
michael@0:     }
michael@0: 
michael@0:     if (checked)
michael@0:       state_flags |= GTK_STATE_FLAG_ACTIVE;
michael@0:     
michael@0:     gtk_style_context_set_state(style, state_flags);
michael@0:     gtk_style_context_get_padding(style, state_flags, &padding);
michael@0: 
michael@0:     offset = gtk_container_get_border_width(GTK_CONTAINER(gCheckMenuItemWidget)) +
michael@0:                                             padding.left + 2;
michael@0: 
michael@0:     if (direction == GTK_TEXT_DIR_RTL) {
michael@0:         x = rect->width - indicator_size - offset - horizontal_padding;
michael@0:     }
michael@0:     else {
michael@0:         x = rect->x + offset + horizontal_padding;
michael@0:     }
michael@0:     y = rect->y + (rect->height - indicator_size) / 2;
michael@0: 
michael@0:     if (isradio) {
michael@0:       gtk_render_option(style, cr, x, y, indicator_size, indicator_size);
michael@0:     } else {
michael@0:       gtk_render_check(style, cr, x, y, indicator_size, indicator_size);
michael@0:     }
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static gint
michael@0: moz_gtk_window_paint(cairo_t *cr, GdkRectangle* rect,
michael@0:                      GtkTextDirection direction)
michael@0: {
michael@0:     GtkStyleContext* style;
michael@0: 
michael@0:     ensure_window_widget();
michael@0:     gtk_widget_set_direction(gProtoWindow, direction);
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gProtoWindow);	
michael@0:     gtk_style_context_save(style);
michael@0:     gtk_style_context_add_class(style, GTK_STYLE_CLASS_BACKGROUND);
michael@0:     gtk_render_background(style, cr, rect->x, rect->y, rect->width, rect->height);
michael@0:     gtk_style_context_restore(style);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: static void
michael@0: moz_gtk_add_style_border(GtkStyleContext* style,
michael@0:                          gint* left, gint* top, gint* right, gint* bottom)
michael@0: {
michael@0:     GtkBorder border;
michael@0: 
michael@0:     gtk_style_context_get_border(style, 0, &border);
michael@0: 
michael@0:     *left += border.left;
michael@0:     *right += border.right;
michael@0:     *top += border.top;
michael@0:     *bottom += border.bottom;
michael@0: }
michael@0: 
michael@0: static void
michael@0: moz_gtk_add_style_padding(GtkStyleContext* style,
michael@0:                           gint* left, gint* top, gint* right, gint* bottom)
michael@0: {
michael@0:     GtkBorder padding;
michael@0: 
michael@0:     gtk_style_context_get_padding(style, 0, &padding);
michael@0: 
michael@0:     *left += padding.left;
michael@0:     *right += padding.right;
michael@0:     *top += padding.top;
michael@0:     *bottom += padding.bottom;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_widget_border(GtkThemeWidgetType widget, gint* left, gint* top,
michael@0:                           gint* right, gint* bottom, GtkTextDirection direction,
michael@0:                           gboolean inhtml)
michael@0: {
michael@0:     GtkWidget* w;
michael@0:     GtkStyleContext* style;
michael@0:     *left = *top = *right = *bottom = 0;
michael@0: 
michael@0:     switch (widget) {
michael@0:     case MOZ_GTK_BUTTON:
michael@0:         {
michael@0:             GtkBorder inner_border;
michael@0:             gboolean interior_focus;
michael@0:             gint focus_width, focus_pad;
michael@0: 
michael@0:             ensure_button_widget();
michael@0:             *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(gButtonWidget));
michael@0: 
michael@0:             /* Don't add this padding in HTML, otherwise the buttons will
michael@0:                become too big and stuff the layout. */
michael@0:             if (!inhtml) {
michael@0:                 moz_gtk_widget_get_focus(gButtonWidget, &interior_focus, &focus_width, &focus_pad);
michael@0:                 moz_gtk_button_get_inner_border(gButtonWidget, &inner_border);
michael@0:                 *left += focus_width + focus_pad + inner_border.left;
michael@0:                 *right += focus_width + focus_pad + inner_border.right;
michael@0:                 *top += focus_width + focus_pad + inner_border.top;
michael@0:                 *bottom += focus_width + focus_pad + inner_border.bottom;
michael@0:             }
michael@0: 
michael@0:             moz_gtk_add_style_border(gtk_widget_get_style_context(gButtonWidget), 
michael@0:                                      left, top, right, bottom);
michael@0:             return MOZ_GTK_SUCCESS;
michael@0:         }
michael@0:     case MOZ_GTK_ENTRY:
michael@0:         {
michael@0:             ensure_entry_widget();
michael@0:             style = gtk_widget_get_style_context(gEntryWidget);
michael@0:             moz_gtk_add_style_border(style, left, top, right, bottom);
michael@0:             moz_gtk_add_style_padding(style, left, top, right, bottom);
michael@0:             return MOZ_GTK_SUCCESS;
michael@0:         }
michael@0:     case MOZ_GTK_TREEVIEW:
michael@0:         {
michael@0:             ensure_scrolled_window_widget();
michael@0:             style = gtk_widget_get_style_context(gScrolledWindowWidget);
michael@0:             gtk_style_context_save(style);
michael@0:             gtk_style_context_add_class(style, GTK_STYLE_CLASS_FRAME);
michael@0:             moz_gtk_add_style_border(style, left, top, right, bottom);
michael@0:             gtk_style_context_restore(style);
michael@0:             return MOZ_GTK_SUCCESS;
michael@0:         }
michael@0:     case MOZ_GTK_TREE_HEADER_CELL:
michael@0:         {
michael@0:             /* A Tree Header in GTK is just a different styled button 
michael@0:              * It must be placed in a TreeView for getting the correct style
michael@0:              * assigned.
michael@0:              * That is why the following code is the same as for MOZ_GTK_BUTTON.  
michael@0:              * */
michael@0: 
michael@0:             GtkBorder inner_border;
michael@0:             gboolean interior_focus;
michael@0:             gint focus_width, focus_pad;
michael@0: 
michael@0:             ensure_tree_header_cell_widget();
michael@0:             *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(gTreeHeaderCellWidget));
michael@0: 
michael@0:             moz_gtk_widget_get_focus(gTreeHeaderCellWidget, &interior_focus, &focus_width, &focus_pad);
michael@0:             moz_gtk_button_get_inner_border(gTreeHeaderCellWidget, &inner_border);
michael@0:             *left += focus_width + focus_pad + inner_border.left;
michael@0:             *right += focus_width + focus_pad + inner_border.right;
michael@0:             *top += focus_width + focus_pad + inner_border.top;
michael@0:             *bottom += focus_width + focus_pad + inner_border.bottom;
michael@0:         
michael@0:             moz_gtk_add_style_border(gtk_widget_get_style_context(gTreeHeaderCellWidget), 
michael@0:                                      left, top, right, bottom);
michael@0:             return MOZ_GTK_SUCCESS;
michael@0:         }
michael@0:     case MOZ_GTK_TREE_HEADER_SORTARROW:
michael@0:         ensure_tree_header_cell_widget();
michael@0:         w = gTreeHeaderSortArrowWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_DROPDOWN_ENTRY:
michael@0:         ensure_combo_box_entry_widgets();
michael@0:         w = gComboBoxEntryTextareaWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_DROPDOWN_ARROW:
michael@0:         ensure_combo_box_entry_widgets();
michael@0:         w = gComboBoxEntryButtonWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_DROPDOWN:
michael@0:         {
michael@0:             /* We need to account for the arrow on the dropdown, so text
michael@0:              * doesn't come too close to the arrow, or in some cases spill
michael@0:              * into the arrow. */
michael@0:             gboolean ignored_interior_focus, wide_separators;
michael@0:             gint focus_width, focus_pad, separator_width;
michael@0:             GtkRequisition arrow_req;
michael@0:             GtkBorder border;
michael@0: 
michael@0:             ensure_combo_box_widgets();
michael@0: 
michael@0:             *left = gtk_container_get_border_width(GTK_CONTAINER(gComboBoxButtonWidget));
michael@0: 
michael@0:             if (!inhtml) {
michael@0:                 moz_gtk_widget_get_focus(gComboBoxButtonWidget,
michael@0:                                          &ignored_interior_focus,
michael@0:                                          &focus_width, &focus_pad);
michael@0:                 *left += focus_width + focus_pad;
michael@0:             }
michael@0:           
michael@0:             style = gtk_widget_get_style_context(gComboBoxButtonWidget);
michael@0:             gtk_style_context_get_border(style, 0, &border);
michael@0: 
michael@0:             *top = *left + border.top;
michael@0:             *left += border.left;
michael@0: 
michael@0:             *right = *left; *bottom = *top;
michael@0: 
michael@0:             /* If there is no separator, don't try to count its width. */
michael@0:             separator_width = 0;
michael@0:             if (gComboBoxSeparatorWidget) {
michael@0:                 gtk_widget_style_get(gComboBoxSeparatorWidget,
michael@0:                                      "wide-separators", &wide_separators,
michael@0:                                      "separator-width", &separator_width,
michael@0:                                      NULL);
michael@0: 
michael@0:                 if (!wide_separators) {
michael@0:                     style = gtk_widget_get_style_context(gComboBoxSeparatorWidget);
michael@0:                     gtk_style_context_get_border(style, 0, &border);
michael@0:                     separator_width = border.left;
michael@0:                 }
michael@0:             }
michael@0: 
michael@0:             gtk_widget_size_request(gComboBoxArrowWidget, &arrow_req);
michael@0: 
michael@0:             if (direction == GTK_TEXT_DIR_RTL)
michael@0:                 *left += separator_width + arrow_req.width;
michael@0:             else
michael@0:                 *right += separator_width + arrow_req.width;
michael@0: 
michael@0:             return MOZ_GTK_SUCCESS;
michael@0:         }
michael@0:     case MOZ_GTK_TABPANELS:
michael@0:         ensure_tab_widget();
michael@0:         w = gTabWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_PROGRESSBAR:
michael@0:         ensure_progress_widget();
michael@0:         w = gProgressWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_SPINBUTTON_ENTRY:
michael@0:     case MOZ_GTK_SPINBUTTON_UP:
michael@0:     case MOZ_GTK_SPINBUTTON_DOWN:
michael@0:         ensure_spin_widget();
michael@0:         w = gSpinWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_SCALE_HORIZONTAL:
michael@0:         ensure_scale_widget();
michael@0:         w = gHScaleWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_SCALE_VERTICAL:
michael@0:         ensure_scale_widget();
michael@0:         w = gVScaleWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_FRAME:
michael@0:         ensure_frame_widget();
michael@0:         w = gFrameWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_CHECKBUTTON_LABEL:
michael@0:     case MOZ_GTK_RADIOBUTTON_LABEL:
michael@0:         {
michael@0:             gboolean interior_focus;
michael@0:             gint focus_width, focus_pad;
michael@0: 
michael@0:             /* If the focus is interior, then the label has a border of
michael@0:                (focus_width + focus_pad). */
michael@0:             if (widget == MOZ_GTK_CHECKBUTTON_LABEL) {
michael@0:                 ensure_checkbox_widget();
michael@0:                 moz_gtk_widget_get_focus(gCheckboxWidget, &interior_focus,
michael@0:                                            &focus_width, &focus_pad);
michael@0:             }
michael@0:             else {
michael@0:                 ensure_radiobutton_widget();
michael@0:                 moz_gtk_widget_get_focus(gRadiobuttonWidget, &interior_focus,
michael@0:                                         &focus_width, &focus_pad);
michael@0:             }
michael@0: 
michael@0:             if (interior_focus)
michael@0:                 *left = *top = *right = *bottom = (focus_width + focus_pad);
michael@0: 
michael@0:             return MOZ_GTK_SUCCESS;
michael@0:         }
michael@0: 
michael@0:     case MOZ_GTK_CHECKBUTTON_CONTAINER:
michael@0:     case MOZ_GTK_RADIOBUTTON_CONTAINER:
michael@0:         {
michael@0:             gboolean interior_focus;
michael@0:             gint focus_width, focus_pad;
michael@0: 
michael@0:             /* If the focus is _not_ interior, then the container has a border
michael@0:                of (focus_width + focus_pad). */
michael@0:             if (widget == MOZ_GTK_CHECKBUTTON_CONTAINER) {
michael@0:                 ensure_checkbox_widget();
michael@0:                 moz_gtk_widget_get_focus(gCheckboxWidget, &interior_focus,
michael@0:                                            &focus_width, &focus_pad);
michael@0:                 w = gCheckboxWidget;
michael@0:             } else {
michael@0:                 ensure_radiobutton_widget();
michael@0:                 moz_gtk_widget_get_focus(gRadiobuttonWidget, &interior_focus,
michael@0:                                         &focus_width, &focus_pad);
michael@0:                 w = gRadiobuttonWidget;
michael@0:             }
michael@0: 
michael@0:             *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(w));
michael@0: 
michael@0:             if (!interior_focus) {
michael@0:                 *left += (focus_width + focus_pad);
michael@0:                 *right += (focus_width + focus_pad);
michael@0:                 *top += (focus_width + focus_pad);
michael@0:                 *bottom += (focus_width + focus_pad);
michael@0:             }
michael@0: 
michael@0:             return MOZ_GTK_SUCCESS;
michael@0:         }
michael@0:     case MOZ_GTK_MENUPOPUP:
michael@0:         ensure_menu_popup_widget();
michael@0:         w = gMenuPopupWidget;
michael@0:         break;
michael@0:     case MOZ_GTK_MENUITEM:
michael@0:     case MOZ_GTK_CHECKMENUITEM:
michael@0:     case MOZ_GTK_RADIOMENUITEM:
michael@0:         {
michael@0:             if (widget == MOZ_GTK_MENUITEM) {
michael@0:                 ensure_menu_item_widget();
michael@0:                 ensure_menu_bar_item_widget();
michael@0:                 w = gMenuItemWidget;
michael@0:             }
michael@0:             else {
michael@0:                 ensure_check_menu_item_widget();
michael@0:                 w = gCheckMenuItemWidget;
michael@0:             }
michael@0: 
michael@0:             *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(w));
michael@0:             moz_gtk_add_style_padding(gtk_widget_get_style_context(w),
michael@0:                                       left, top, right, bottom);
michael@0:             return MOZ_GTK_SUCCESS;
michael@0:         }
michael@0:     case MOZ_GTK_TAB:
michael@0:         ensure_tab_widget();
michael@0:         w = gTabWidget;
michael@0:         break;
michael@0:     /* These widgets have no borders, since they are not containers. */
michael@0:     case MOZ_GTK_SPLITTER_HORIZONTAL:
michael@0:     case MOZ_GTK_SPLITTER_VERTICAL:
michael@0:     case MOZ_GTK_CHECKBUTTON:
michael@0:     case MOZ_GTK_RADIOBUTTON:
michael@0:     case MOZ_GTK_SCROLLBAR_BUTTON:
michael@0:     case MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL:
michael@0:     case MOZ_GTK_SCROLLBAR_TRACK_VERTICAL:
michael@0:     case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL:
michael@0:     case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL:
michael@0:     case MOZ_GTK_SCALE_THUMB_HORIZONTAL:
michael@0:     case MOZ_GTK_SCALE_THUMB_VERTICAL:
michael@0:     case MOZ_GTK_GRIPPER:
michael@0:     case MOZ_GTK_PROGRESS_CHUNK:
michael@0:     case MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE:
michael@0:     case MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE:
michael@0:     case MOZ_GTK_TREEVIEW_EXPANDER:
michael@0:     case MOZ_GTK_TOOLBAR_SEPARATOR:
michael@0:     case MOZ_GTK_MENUSEPARATOR:
michael@0:     /* These widgets have no borders.*/
michael@0:     case MOZ_GTK_SPINBUTTON:
michael@0:     case MOZ_GTK_TOOLTIP:
michael@0:     case MOZ_GTK_WINDOW:
michael@0:     case MOZ_GTK_RESIZER:
michael@0:     case MOZ_GTK_MENUARROW:
michael@0:     case MOZ_GTK_TOOLBARBUTTON_ARROW:
michael@0:     case MOZ_GTK_TOOLBAR:
michael@0:     case MOZ_GTK_MENUBAR:
michael@0:     case MOZ_GTK_TAB_SCROLLARROW:
michael@0:         return MOZ_GTK_SUCCESS;
michael@0:     default:
michael@0:         g_warning("Unsupported widget type: %d", widget);
michael@0:         return MOZ_GTK_UNKNOWN_WIDGET;
michael@0:     }
michael@0:     /* TODO - we're still missing some widget implementations */
michael@0:     if (w) {
michael@0:       moz_gtk_add_style_border(gtk_widget_get_style_context(w), 
michael@0:                                left, top, right, bottom);
michael@0:     }
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_combo_box_entry_button_size(gint* width, gint* height)
michael@0: {
michael@0:     /*
michael@0:      * We get the requisition of the drop down button, which includes
michael@0:      * all padding, border and focus line widths the button uses,
michael@0:      * as well as the minimum arrow size and its padding
michael@0:      * */
michael@0:     GtkRequisition requisition;
michael@0:     ensure_combo_box_entry_widgets();
michael@0: 
michael@0:     gtk_widget_size_request(gComboBoxEntryButtonWidget, &requisition);
michael@0:     *width = requisition.width;
michael@0:     *height = requisition.height;
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_tab_scroll_arrow_size(gint* width, gint* height)
michael@0: {
michael@0:     gint arrow_size;
michael@0: 
michael@0:     ensure_tab_widget();
michael@0:     gtk_widget_style_get(gTabWidget,
michael@0:                          "scroll-arrow-hlength", &arrow_size,
michael@0:                          NULL);
michael@0: 
michael@0:     *height = *width = arrow_size;
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_arrow_size(gint* width, gint* height)
michael@0: {
michael@0:     GtkRequisition requisition;
michael@0:     ensure_button_arrow_widget();
michael@0: 
michael@0:     gtk_widget_size_request(gButtonArrowWidget, &requisition);
michael@0:     *width = requisition.width;
michael@0:     *height = requisition.height;
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_toolbar_separator_width(gint* size)
michael@0: {
michael@0:     gboolean wide_separators;
michael@0:     gint separator_width;
michael@0:     GtkStyleContext* style;
michael@0:     GtkBorder border;
michael@0: 
michael@0:     ensure_toolbar_widget();
michael@0:     style = gtk_widget_get_style_context(gToolbarWidget);
michael@0: 
michael@0:     gtk_widget_style_get(gToolbarWidget,
michael@0:                          "space-size", size,
michael@0:                          "wide-separators",  &wide_separators,
michael@0:                          "separator-width", &separator_width,
michael@0:                          NULL);
michael@0:     /* Just in case... */
michael@0:     gtk_style_context_get_border(style, 0, &border);
michael@0:     *size = MAX(*size, (wide_separators ? separator_width : border.left));
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_expander_size(gint* size)
michael@0: {
michael@0:     ensure_expander_widget();
michael@0:     gtk_widget_style_get(gExpanderWidget,
michael@0:                          "expander-size", size,
michael@0:                          NULL);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_treeview_expander_size(gint* size)
michael@0: {
michael@0:     ensure_tree_view_widget();
michael@0:     gtk_widget_style_get(gTreeViewWidget,
michael@0:                          "expander-size", size,
michael@0:                          NULL);
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: // See gtk_menu_item_draw() for reference.
michael@0: gint
michael@0: moz_gtk_get_menu_separator_height(gint *size)
michael@0: {
michael@0:     gboolean  wide_separators;
michael@0:     gint      separator_height;
michael@0:     GtkBorder padding;
michael@0:     GtkStyleContext* style;
michael@0:     guint border_width;
michael@0: 
michael@0:     ensure_menu_separator_widget();
michael@0: 
michael@0:     gtk_widget_style_get(gMenuSeparatorWidget,
michael@0:                           "wide-separators",  &wide_separators,
michael@0:                           "separator-height", &separator_height,
michael@0:                           NULL);
michael@0: 
michael@0:     border_width = gtk_container_get_border_width(GTK_CONTAINER(gMenuSeparatorWidget));
michael@0: 
michael@0:     style = gtk_widget_get_style_context(gMenuSeparatorWidget);
michael@0:     gtk_style_context_get_padding(style, 0, &padding);
michael@0: 
michael@0:     *size = padding.top + padding.bottom + border_width*2;
michael@0:     *size += (wide_separators) ? separator_height : 1;
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_scalethumb_metrics(GtkOrientation orient, gint* thumb_length, gint* thumb_height)
michael@0: {
michael@0:   GtkWidget* widget;
michael@0: 
michael@0:   ensure_scale_widget();
michael@0:   widget = ((orient == GTK_ORIENTATION_HORIZONTAL) ? gHScaleWidget : gVScaleWidget);
michael@0: 
michael@0:   gtk_widget_style_get (widget,
michael@0:                         "slider_length", thumb_length,
michael@0:                         "slider_width", thumb_height,
michael@0:                         NULL);
michael@0: 
michael@0:   return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_get_scrollbar_metrics(MozGtkScrollbarMetrics *metrics)
michael@0: {
michael@0:     ensure_scrollbar_widget();
michael@0: 
michael@0:     gtk_widget_style_get (gHorizScrollbarWidget,
michael@0:                           "slider_width", &metrics->slider_width,
michael@0:                           "trough_border", &metrics->trough_border,
michael@0:                           "stepper_size", &metrics->stepper_size,
michael@0:                           "stepper_spacing", &metrics->stepper_spacing,
michael@0:                           NULL);
michael@0: 
michael@0:     metrics->min_slider_size = 
michael@0:         gtk_range_get_min_slider_size(GTK_RANGE(gHorizScrollbarWidget));
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }
michael@0: 
michael@0: gboolean
michael@0: moz_gtk_images_in_menus()
michael@0: {
michael@0:     gboolean result;
michael@0:     GtkSettings* settings;
michael@0: 
michael@0:     ensure_image_menu_item_widget();
michael@0:     settings = gtk_widget_get_settings(gImageMenuItemWidget);
michael@0: 
michael@0:     g_object_get(settings, "gtk-menu-images", &result, NULL);
michael@0:     return result;
michael@0: }
michael@0: 
michael@0: gboolean
michael@0: moz_gtk_images_in_buttons()
michael@0: {
michael@0:     gboolean result;
michael@0:     GtkSettings* settings;
michael@0: 
michael@0:     ensure_button_widget();
michael@0:     settings = gtk_widget_get_settings(gButtonWidget);
michael@0: 
michael@0:     g_object_get(settings, "gtk-button-images", &result, NULL);
michael@0:     return result;
michael@0: }
michael@0: 
michael@0: /* cairo_t *cr argument has to be a system-cairo. */
michael@0: gint
michael@0: moz_gtk_widget_paint(GtkThemeWidgetType widget, cairo_t *cr,
michael@0:                      GdkRectangle* rect,
michael@0:                      GtkWidgetState* state, gint flags,
michael@0:                      GtkTextDirection direction)
michael@0: {
michael@0:     /* A workaround for https://bugzilla.gnome.org/show_bug.cgi?id=694086
michael@0:      */
michael@0:     cairo_new_path(cr);
michael@0: 
michael@0:     switch (widget) {
michael@0:     case MOZ_GTK_BUTTON:
michael@0:         if (state->depressed) {
michael@0:             ensure_toggle_menu_button_widget();
michael@0:             return moz_gtk_button_paint(cr, rect, state,
michael@0:                                         (GtkReliefStyle) flags,
michael@0:                                         gToggleMenuButtonWidget, direction);
michael@0:         }
michael@0:         ensure_button_widget();
michael@0:         return moz_gtk_button_paint(cr, rect, state,
michael@0:                                     (GtkReliefStyle) flags, gButtonWidget,
michael@0:                                     direction);
michael@0:         break;
michael@0:     case MOZ_GTK_CHECKBUTTON:
michael@0:     case MOZ_GTK_RADIOBUTTON:
michael@0:         return moz_gtk_toggle_paint(cr, rect, state,
michael@0:                                     !!(flags & MOZ_GTK_WIDGET_CHECKED),
michael@0:                                     !!(flags & MOZ_GTK_WIDGET_INCONSISTENT),
michael@0:                                     (widget == MOZ_GTK_RADIOBUTTON),
michael@0:                                     direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SCROLLBAR_BUTTON:
michael@0:         return moz_gtk_scrollbar_button_paint(cr, rect, state,
michael@0:                                               (GtkScrollbarButtonFlags) flags,
michael@0:                                               direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL:
michael@0:     case MOZ_GTK_SCROLLBAR_TRACK_VERTICAL:
michael@0:         return moz_gtk_scrollbar_trough_paint(widget, cr, rect,
michael@0:                                               state, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL:
michael@0:     case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL:
michael@0:         return moz_gtk_scrollbar_thumb_paint(widget, cr, rect,
michael@0:                                              state, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SCALE_HORIZONTAL:
michael@0:     case MOZ_GTK_SCALE_VERTICAL:
michael@0:         return moz_gtk_scale_paint(cr, rect, state,
michael@0:                                    (GtkOrientation) flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SCALE_THUMB_HORIZONTAL:
michael@0:     case MOZ_GTK_SCALE_THUMB_VERTICAL:
michael@0:         return moz_gtk_scale_thumb_paint(cr, rect, state,
michael@0:                                          (GtkOrientation) flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SPINBUTTON:
michael@0:         return moz_gtk_spin_paint(cr, rect, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SPINBUTTON_UP:
michael@0:     case MOZ_GTK_SPINBUTTON_DOWN:
michael@0:         return moz_gtk_spin_updown_paint(cr, rect,
michael@0:                                          (widget == MOZ_GTK_SPINBUTTON_DOWN),
michael@0:                                          state, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SPINBUTTON_ENTRY:
michael@0:         ensure_spin_widget();
michael@0:         return moz_gtk_entry_paint(cr, rect, state,
michael@0:                                    gSpinWidget, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_GRIPPER:
michael@0:         return moz_gtk_gripper_paint(cr, rect, state,
michael@0:                                      direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TREEVIEW:
michael@0:         return moz_gtk_treeview_paint(cr, rect, state,
michael@0:                                       direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TREE_HEADER_CELL:
michael@0:         return moz_gtk_tree_header_cell_paint(cr, rect, state,
michael@0:                                               flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TREE_HEADER_SORTARROW:
michael@0:         return moz_gtk_tree_header_sort_arrow_paint(cr, rect, 
michael@0:                                                     state,
michael@0:                                                     (GtkArrowType) flags,
michael@0:                                                     direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TREEVIEW_EXPANDER:
michael@0:         return moz_gtk_treeview_expander_paint(cr, rect, state,
michael@0:                                                (GtkExpanderStyle) flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_ENTRY:
michael@0:         ensure_entry_widget();
michael@0:         return moz_gtk_entry_paint(cr, rect, state,
michael@0:                                    gEntryWidget, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_DROPDOWN:
michael@0:         return moz_gtk_combo_box_paint(cr, rect, state,
michael@0:                                        (gboolean) flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_DROPDOWN_ARROW:
michael@0:         return moz_gtk_combo_box_entry_button_paint(cr, rect,
michael@0:                                                     state, flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_DROPDOWN_ENTRY:
michael@0:         ensure_combo_box_entry_widgets();
michael@0:         return moz_gtk_entry_paint(cr, rect, state,
michael@0:                                    gComboBoxEntryTextareaWidget, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_CHECKBUTTON_CONTAINER:
michael@0:     case MOZ_GTK_RADIOBUTTON_CONTAINER:
michael@0:         return moz_gtk_container_paint(cr, rect, state,
michael@0:                                        (widget == MOZ_GTK_RADIOBUTTON_CONTAINER),
michael@0:                                        direction);
michael@0:         break;
michael@0:     case MOZ_GTK_CHECKBUTTON_LABEL:
michael@0:     case MOZ_GTK_RADIOBUTTON_LABEL:
michael@0:         return moz_gtk_toggle_label_paint(cr, rect, state,
michael@0:                                           (widget == MOZ_GTK_RADIOBUTTON_LABEL),
michael@0:                                           direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TOOLBAR:
michael@0:         return moz_gtk_toolbar_paint(cr, rect, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TOOLBAR_SEPARATOR:
michael@0:         return moz_gtk_toolbar_separator_paint(cr, rect,
michael@0:                                                direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TOOLTIP:
michael@0:         return moz_gtk_tooltip_paint(cr, rect, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_FRAME:
michael@0:         return moz_gtk_frame_paint(cr, rect, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_RESIZER:
michael@0:         return moz_gtk_resizer_paint(cr, rect, state,
michael@0:                                      direction);
michael@0:         break;
michael@0:     case MOZ_GTK_PROGRESSBAR:
michael@0:         return moz_gtk_progressbar_paint(cr, rect, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_PROGRESS_CHUNK:
michael@0:     case MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE:
michael@0:     case MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE:
michael@0:         return moz_gtk_progress_chunk_paint(cr, rect,
michael@0:                                             direction, widget);
michael@0:         break;
michael@0:     case MOZ_GTK_TAB:
michael@0:         return moz_gtk_tab_paint(cr, rect, state,
michael@0:                                  (GtkTabFlags) flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TABPANELS:
michael@0:         return moz_gtk_tabpanels_paint(cr, rect, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TAB_SCROLLARROW:
michael@0:         return moz_gtk_tab_scroll_arrow_paint(cr, rect, state,
michael@0:                                               (GtkArrowType) flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_MENUBAR:
michael@0:         return moz_gtk_menu_bar_paint(cr, rect, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_MENUPOPUP:
michael@0:         return moz_gtk_menu_popup_paint(cr, rect, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_MENUSEPARATOR:
michael@0:         return moz_gtk_menu_separator_paint(cr, rect,
michael@0:                                             direction);
michael@0:         break;
michael@0:     case MOZ_GTK_MENUITEM:
michael@0:         return moz_gtk_menu_item_paint(cr, rect, state, flags,
michael@0:                                        direction);
michael@0:         break;
michael@0:     case MOZ_GTK_MENUARROW:
michael@0:         return moz_gtk_menu_arrow_paint(cr, rect, state,
michael@0:                                         direction);
michael@0:         break;
michael@0:     case MOZ_GTK_TOOLBARBUTTON_ARROW:
michael@0:         return moz_gtk_arrow_paint(cr, rect, state,
michael@0:                                    (GtkArrowType) flags, direction);
michael@0:         break;
michael@0:     case MOZ_GTK_CHECKMENUITEM:
michael@0:     case MOZ_GTK_RADIOMENUITEM:
michael@0:         return moz_gtk_check_menu_item_paint(cr, rect, state,
michael@0:                                              (gboolean) flags,
michael@0:                                              (widget == MOZ_GTK_RADIOMENUITEM),
michael@0:                                              direction);
michael@0:         break;
michael@0:     case MOZ_GTK_SPLITTER_HORIZONTAL:
michael@0:         return moz_gtk_vpaned_paint(cr, rect, state);
michael@0:         break;
michael@0:     case MOZ_GTK_SPLITTER_VERTICAL:
michael@0:         return moz_gtk_hpaned_paint(cr, rect, state);
michael@0:         break;
michael@0:     case MOZ_GTK_WINDOW:
michael@0:         return moz_gtk_window_paint(cr, rect, direction);
michael@0:         break;
michael@0:     default:
michael@0:         g_warning("Unknown widget type: %d", widget);
michael@0:     }
michael@0: 
michael@0:     return MOZ_GTK_UNKNOWN_WIDGET;
michael@0: }
michael@0: 
michael@0: GtkWidget* moz_gtk_get_scrollbar_widget(void)
michael@0: {
michael@0:     NS_ASSERTION(is_initialized, "Forgot to call moz_gtk_init()");
michael@0:     ensure_scrollbar_widget();
michael@0:     return gHorizScrollbarWidget;
michael@0: }
michael@0: 
michael@0: gint
michael@0: moz_gtk_shutdown()
michael@0: {
michael@0:     GtkWidgetClass *entry_class;
michael@0: 
michael@0:     if (gTooltipWidget)
michael@0:         gtk_widget_destroy(gTooltipWidget);
michael@0:     /* This will destroy all of our widgets */
michael@0:     if (gProtoWindow)
michael@0:         gtk_widget_destroy(gProtoWindow);
michael@0: 
michael@0:     /* TODO - replace it with appropriate widget */
michael@0:     if (gTreeHeaderSortArrowWidget)
michael@0:         gtk_widget_destroy(gTreeHeaderSortArrowWidget);
michael@0: 
michael@0:     gProtoWindow = NULL;
michael@0:     gProtoLayout = NULL;
michael@0:     gButtonWidget = NULL;
michael@0:     gToggleMenuButtonWidget = NULL;
michael@0:     gButtonArrowWidget = NULL;
michael@0:     gCheckboxWidget = NULL;
michael@0:     gRadiobuttonWidget = NULL;
michael@0:     gHorizScrollbarWidget = NULL;
michael@0:     gVertScrollbarWidget = NULL;
michael@0:     gSpinWidget = NULL;
michael@0:     gHScaleWidget = NULL;
michael@0:     gVScaleWidget = NULL;
michael@0:     gEntryWidget = NULL;
michael@0:     gComboBoxWidget = NULL;
michael@0:     gComboBoxButtonWidget = NULL;
michael@0:     gComboBoxSeparatorWidget = NULL;
michael@0:     gComboBoxArrowWidget = NULL;
michael@0:     gComboBoxEntryWidget = NULL;
michael@0:     gComboBoxEntryButtonWidget = NULL;
michael@0:     gComboBoxEntryArrowWidget = NULL;
michael@0:     gComboBoxEntryTextareaWidget = NULL;
michael@0:     gHandleBoxWidget = NULL;
michael@0:     gToolbarWidget = NULL;
michael@0:     gStatusbarWidget = NULL;
michael@0:     gFrameWidget = NULL;
michael@0:     gProgressWidget = NULL;
michael@0:     gTabWidget = NULL;
michael@0:     gTooltipWidget = NULL;
michael@0:     gMenuBarWidget = NULL;
michael@0:     gMenuBarItemWidget = NULL;
michael@0:     gMenuPopupWidget = NULL;
michael@0:     gMenuItemWidget = NULL;
michael@0:     gImageMenuItemWidget = NULL;
michael@0:     gCheckMenuItemWidget = NULL;
michael@0:     gTreeViewWidget = NULL;
michael@0:     gMiddleTreeViewColumn = NULL;
michael@0:     gTreeHeaderCellWidget = NULL;
michael@0:     gTreeHeaderSortArrowWidget = NULL;
michael@0:     gExpanderWidget = NULL;
michael@0:     gToolbarSeparatorWidget = NULL;
michael@0:     gMenuSeparatorWidget = NULL;
michael@0:     gHPanedWidget = NULL;
michael@0:     gVPanedWidget = NULL;
michael@0:     gScrolledWindowWidget = NULL;
michael@0: 
michael@0:     entry_class = g_type_class_peek(GTK_TYPE_ENTRY);
michael@0:     g_type_class_unref(entry_class);
michael@0: 
michael@0:     is_initialized = FALSE;
michael@0: 
michael@0:     return MOZ_GTK_SUCCESS;
michael@0: }