Add m-esr52 at 52.6.0

1 files changed, 3502 insertions, 0 deletions

diff --git a/widget/gtk/gtk2drawing.c b/widget/gtk/gtk2drawing.c
new file mode 100644
index 000000000..7fcac4de6
--- /dev/null
+++ b/widget/gtk/gtk2drawing.c
@@ -0,0 +1,3502 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * This file contains painting functions for each of the gtk2 widgets.
+ * Adapted from the gtkdrawing.c, and gtk+2.0 source.
+ */
+
+#include <gtk/gtk.h>
+#include <gdk/gdkprivate.h>
+#include <string.h>
+#include "gtkdrawing.h"
+#include "mozilla/Assertions.h"
+#include "prinrval.h"
+
+#include <math.h>
+#include <stdbool.h> // for MOZ_ASSERT_UNREACHABLE
+
+#define XTHICKNESS(style) (style->xthickness)
+#define YTHICKNESS(style) (style->ythickness)
+#define WINDOW_IS_MAPPED(window) ((window) && GDK_IS_WINDOW(window) && gdk_window_is_visible(window))
+
+static GtkWidget* gProtoWindow;
+static GtkWidget* gProtoLayout;
+static GtkWidget* gButtonWidget;
+static GtkWidget* gToggleButtonWidget;
+static GtkWidget* gButtonArrowWidget;
+static GtkWidget* gCheckboxWidget;
+static GtkWidget* gRadiobuttonWidget;
+static GtkWidget* gHorizScrollbarWidget;
+static GtkWidget* gVertScrollbarWidget;
+static GtkWidget* gSpinWidget;
+static GtkWidget* gHScaleWidget;
+static GtkWidget* gVScaleWidget;
+static GtkWidget* gEntryWidget;
+static GtkWidget* gComboBoxWidget;
+static GtkWidget* gComboBoxButtonWidget;
+static GtkWidget* gComboBoxArrowWidget;
+static GtkWidget* gComboBoxSeparatorWidget;
+static GtkWidget* gComboBoxEntryWidget;
+static GtkWidget* gComboBoxEntryTextareaWidget;
+static GtkWidget* gComboBoxEntryButtonWidget;
+static GtkWidget* gComboBoxEntryArrowWidget;
+static GtkWidget* gHandleBoxWidget;
+static GtkWidget* gToolbarWidget;
+static GtkWidget* gFrameWidget;
+static GtkWidget* gStatusbarWidget;
+static GtkWidget* gProgressWidget;
+static GtkWidget* gTabWidget;
+static GtkWidget* gTooltipWidget;
+static GtkWidget* gMenuBarWidget;
+static GtkWidget* gMenuBarItemWidget;
+static GtkWidget* gMenuPopupWidget;
+static GtkWidget* gMenuItemWidget;
+static GtkWidget* gImageMenuItemWidget;
+static GtkWidget* gCheckMenuItemWidget;
+static GtkWidget* gTreeViewWidget;
+static GtkTreeViewColumn* gMiddleTreeViewColumn;
+static GtkWidget* gTreeHeaderCellWidget;
+static GtkWidget* gTreeHeaderSortArrowWidget;
+static GtkWidget* gExpanderWidget;
+static GtkWidget* gToolbarSeparatorWidget;
+static GtkWidget* gMenuSeparatorWidget;
+static GtkWidget* gHPanedWidget;
+static GtkWidget* gVPanedWidget;
+static GtkWidget* gScrolledWindowWidget;
+
+static style_prop_t style_prop_func;
+static gboolean have_arrow_scaling;
+static gboolean is_initialized;
+
+/* Because we have such an unconventional way of drawing widgets, signal to the GTK theme engine
+   that they are drawing for Mozilla instead of a conventional GTK app so they can do any specific
+   things they may want to do. */
+static void
+moz_gtk_set_widget_name(GtkWidget* widget)
+{
+    gtk_widget_set_name(widget, "MozillaGtkWidget");
+}
+
+gint
+moz_gtk_enable_style_props(style_prop_t styleGetProp)
+{
+    style_prop_func = styleGetProp;
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_window_widget()
+{
+    if (!gProtoWindow) {
+        gProtoWindow = gtk_window_new(GTK_WINDOW_POPUP);
+        gtk_widget_realize(gProtoWindow);
+        moz_gtk_set_widget_name(gProtoWindow);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+setup_widget_prototype(GtkWidget* widget)
+{
+    ensure_window_widget();
+    if (!gProtoLayout) {
+        gProtoLayout = gtk_fixed_new();
+        gtk_container_add(GTK_CONTAINER(gProtoWindow), gProtoLayout);
+    }
+
+    gtk_container_add(GTK_CONTAINER(gProtoLayout), widget);
+    gtk_widget_realize(widget);
+    g_object_set_data(G_OBJECT(widget), "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_button_widget()
+{
+    if (!gButtonWidget) {
+        gButtonWidget = gtk_button_new_with_label("M");
+        setup_widget_prototype(gButtonWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_hpaned_widget()
+{
+    if (!gHPanedWidget) {
+        gHPanedWidget = gtk_hpaned_new();
+        setup_widget_prototype(gHPanedWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_vpaned_widget()
+{
+    if (!gVPanedWidget) {
+        gVPanedWidget = gtk_vpaned_new();
+        setup_widget_prototype(gVPanedWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_toggle_button_widget()
+{
+    if (!gToggleButtonWidget) {
+        gToggleButtonWidget = gtk_toggle_button_new();
+        setup_widget_prototype(gToggleButtonWidget);
+        /* toggle button must be set active to get the right style on hover. */
+        GTK_TOGGLE_BUTTON(gToggleButtonWidget)->active = TRUE;
+  }
+  return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_button_arrow_widget()
+{
+    if (!gButtonArrowWidget) {
+        ensure_toggle_button_widget();
+
+        gButtonArrowWidget = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
+        gtk_container_add(GTK_CONTAINER(gToggleButtonWidget), gButtonArrowWidget);
+        gtk_widget_realize(gButtonArrowWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_checkbox_widget()
+{
+    if (!gCheckboxWidget) {
+        gCheckboxWidget = gtk_check_button_new_with_label("M");
+        setup_widget_prototype(gCheckboxWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_radiobutton_widget()
+{
+    if (!gRadiobuttonWidget) {
+        gRadiobuttonWidget = gtk_radio_button_new_with_label(NULL, "M");
+        setup_widget_prototype(gRadiobuttonWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_scrollbar_widget()
+{
+    if (!gVertScrollbarWidget) {
+        gVertScrollbarWidget = gtk_vscrollbar_new(NULL);
+        setup_widget_prototype(gVertScrollbarWidget);
+    }
+    if (!gHorizScrollbarWidget) {
+        gHorizScrollbarWidget = gtk_hscrollbar_new(NULL);
+        setup_widget_prototype(gHorizScrollbarWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_spin_widget()
+{
+  if (!gSpinWidget) {
+    gSpinWidget = gtk_spin_button_new(NULL, 1, 0);
+    setup_widget_prototype(gSpinWidget);
+  }
+  return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_scale_widget()
+{
+  if (!gHScaleWidget) {
+    gHScaleWidget = gtk_hscale_new(NULL);
+    setup_widget_prototype(gHScaleWidget);
+  }
+  if (!gVScaleWidget) {
+    gVScaleWidget = gtk_vscale_new(NULL);
+    setup_widget_prototype(gVScaleWidget);
+  }
+  return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_entry_widget()
+{
+    if (!gEntryWidget) {
+        gEntryWidget = gtk_entry_new();
+        setup_widget_prototype(gEntryWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+/* We need to have pointers to the inner widgets (button, separator, arrow)
+ * of the ComboBox to get the correct rendering from theme engines which
+ * special cases their look. Since the inner layout can change, we ask GTK
+ * to NULL our pointers when they are about to become invalid because the
+ * corresponding widgets don't exist anymore. It's the role of
+ * g_object_add_weak_pointer().
+ * Note that if we don't find the inner widgets (which shouldn't happen), we
+ * fallback to use generic "non-inner" widgets, and they don't need that kind
+ * of weak pointer since they are explicit children of gProtoWindow and as
+ * such GTK holds a strong reference to them. */
+static void
+moz_gtk_get_combo_box_inner_button(GtkWidget *widget, gpointer client_data)
+{
+    if (GTK_IS_TOGGLE_BUTTON(widget)) {
+        gComboBoxButtonWidget = widget;
+        g_object_add_weak_pointer(G_OBJECT(widget),
+                                  (gpointer) &gComboBoxButtonWidget);
+        gtk_widget_realize(widget);
+        g_object_set_data(G_OBJECT(widget), "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+}
+
+static void
+moz_gtk_get_combo_box_button_inner_widgets(GtkWidget *widget,
+                                           gpointer client_data)
+{
+    if (GTK_IS_SEPARATOR(widget)) {
+        gComboBoxSeparatorWidget = widget;
+        g_object_add_weak_pointer(G_OBJECT(widget),
+                                  (gpointer) &gComboBoxSeparatorWidget);
+    } else if (GTK_IS_ARROW(widget)) {
+        gComboBoxArrowWidget = widget;
+        g_object_add_weak_pointer(G_OBJECT(widget),
+                                  (gpointer) &gComboBoxArrowWidget);
+    } else
+        return;
+    gtk_widget_realize(widget);
+    g_object_set_data(G_OBJECT(widget), "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+}
+
+static gint
+ensure_combo_box_widgets()
+{
+    GtkWidget* buttonChild;
+
+    if (gComboBoxButtonWidget && gComboBoxArrowWidget)
+        return MOZ_GTK_SUCCESS;
+
+    /* Create a ComboBox if needed */
+    if (!gComboBoxWidget) {
+        gComboBoxWidget = gtk_combo_box_new();
+        setup_widget_prototype(gComboBoxWidget);
+    }
+
+    /* Get its inner Button */
+    gtk_container_forall(GTK_CONTAINER(gComboBoxWidget),
+                         moz_gtk_get_combo_box_inner_button,
+                         NULL);
+
+    if (gComboBoxButtonWidget) {
+        /* Get the widgets inside the Button */
+        buttonChild = GTK_BIN(gComboBoxButtonWidget)->child;
+        if (GTK_IS_HBOX(buttonChild)) {
+            /* appears-as-list = FALSE, cell-view = TRUE; the button
+             * contains an hbox. This hbox is there because the ComboBox
+             * needs to place a cell renderer, a separator, and an arrow in
+             * the button when appears-as-list is FALSE. */
+            gtk_container_forall(GTK_CONTAINER(buttonChild),
+                                 moz_gtk_get_combo_box_button_inner_widgets,
+                                 NULL);
+        } else if(GTK_IS_ARROW(buttonChild)) {
+            /* appears-as-list = TRUE, or cell-view = FALSE;
+             * the button only contains an arrow */
+            gComboBoxArrowWidget = buttonChild;
+            g_object_add_weak_pointer(G_OBJECT(buttonChild), (gpointer)
+                                      &gComboBoxArrowWidget);
+            gtk_widget_realize(gComboBoxArrowWidget);
+            g_object_set_data(G_OBJECT(gComboBoxArrowWidget),
+                              "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+        }
+    } else {
+        /* Shouldn't be reached with current internal gtk implementation; we
+         * use a generic toggle button as last resort fallback to avoid
+         * crashing. */
+        ensure_toggle_button_widget();
+        gComboBoxButtonWidget = gToggleButtonWidget;
+    }
+
+    if (!gComboBoxArrowWidget) {
+        /* Shouldn't be reached with current internal gtk implementation;
+         * we gButtonArrowWidget as last resort fallback to avoid
+         * crashing. */
+        ensure_button_arrow_widget();
+        gComboBoxArrowWidget = gButtonArrowWidget;
+    }
+
+    /* We don't test the validity of gComboBoxSeparatorWidget since there
+     * is none when "appears-as-list" = TRUE or "cell-view" = FALSE; if it
+     * is invalid we just won't paint it. */
+
+    return MOZ_GTK_SUCCESS;
+}
+
+/* We need to have pointers to the inner widgets (entry, button, arrow) of
+ * the ComboBoxEntry to get the correct rendering from theme engines which
+ * special cases their look. Since the inner layout can change, we ask GTK
+ * to NULL our pointers when they are about to become invalid because the
+ * corresponding widgets don't exist anymore. It's the role of
+ * g_object_add_weak_pointer().
+ * Note that if we don't find the inner widgets (which shouldn't happen), we
+ * fallback to use generic "non-inner" widgets, and they don't need that kind
+ * of weak pointer since they are explicit children of gProtoWindow and as
+ * such GTK holds a strong reference to them. */
+static void
+moz_gtk_get_combo_box_entry_inner_widgets(GtkWidget *widget,
+                                          gpointer client_data)
+{
+    if (GTK_IS_TOGGLE_BUTTON(widget)) {
+        gComboBoxEntryButtonWidget = widget;
+        g_object_add_weak_pointer(G_OBJECT(widget),
+                                  (gpointer) &gComboBoxEntryButtonWidget);
+    } else if (GTK_IS_ENTRY(widget)) {
+        gComboBoxEntryTextareaWidget = widget;
+        g_object_add_weak_pointer(G_OBJECT(widget),
+                                  (gpointer) &gComboBoxEntryTextareaWidget);
+    } else
+        return;
+    gtk_widget_realize(widget);
+    g_object_set_data(G_OBJECT(widget), "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+}
+
+static void
+moz_gtk_get_combo_box_entry_arrow(GtkWidget *widget, gpointer client_data)
+{
+    if (GTK_IS_ARROW(widget)) {
+        gComboBoxEntryArrowWidget = widget;
+        g_object_add_weak_pointer(G_OBJECT(widget),
+                                  (gpointer) &gComboBoxEntryArrowWidget);
+        gtk_widget_realize(widget);
+        g_object_set_data(G_OBJECT(widget), "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+}
+
+static gint
+ensure_combo_box_entry_widgets()
+{
+    GtkWidget* buttonChild;
+
+    if (gComboBoxEntryTextareaWidget &&
+            gComboBoxEntryButtonWidget &&
+            gComboBoxEntryArrowWidget)
+        return MOZ_GTK_SUCCESS;
+
+    /* Create a ComboBoxEntry if needed */
+    if (!gComboBoxEntryWidget) {
+        gComboBoxEntryWidget = gtk_combo_box_entry_new();
+        setup_widget_prototype(gComboBoxEntryWidget);
+    }
+
+    /* Get its inner Entry and Button */
+    gtk_container_forall(GTK_CONTAINER(gComboBoxEntryWidget),
+                         moz_gtk_get_combo_box_entry_inner_widgets,
+                         NULL);
+
+    if (!gComboBoxEntryTextareaWidget) {
+        ensure_entry_widget();
+        gComboBoxEntryTextareaWidget = gEntryWidget;
+    }
+
+    if (gComboBoxEntryButtonWidget) {
+        /* Get the Arrow inside the Button */
+        buttonChild = GTK_BIN(gComboBoxEntryButtonWidget)->child;
+        if (GTK_IS_HBOX(buttonChild)) {
+            /* appears-as-list = FALSE, cell-view = TRUE; the button
+             * contains an hbox. This hbox is there because ComboBoxEntry
+             * inherits from ComboBox which needs to place a cell renderer,
+             * a separator, and an arrow in the button when appears-as-list
+             * is FALSE. Here the hbox should only contain an arrow, since
+             * a ComboBoxEntry doesn't need all those widgets in the
+             * button. */
+            gtk_container_forall(GTK_CONTAINER(buttonChild),
+                                 moz_gtk_get_combo_box_entry_arrow,
+                                 NULL);
+        } else if(GTK_IS_ARROW(buttonChild)) {
+            /* appears-as-list = TRUE, or cell-view = FALSE;
+             * the button only contains an arrow */
+            gComboBoxEntryArrowWidget = buttonChild;
+            g_object_add_weak_pointer(G_OBJECT(buttonChild), (gpointer)
+                                      &gComboBoxEntryArrowWidget);
+            gtk_widget_realize(gComboBoxEntryArrowWidget);
+            g_object_set_data(G_OBJECT(gComboBoxEntryArrowWidget),
+                              "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+        }
+    } else {
+        /* Shouldn't be reached with current internal gtk implementation;
+         * we use a generic toggle button as last resort fallback to avoid
+         * crashing. */
+        ensure_toggle_button_widget();
+        gComboBoxEntryButtonWidget = gToggleButtonWidget;
+    }
+
+    if (!gComboBoxEntryArrowWidget) {
+        /* Shouldn't be reached with current internal gtk implementation;
+         * we gButtonArrowWidget as last resort fallback to avoid
+         * crashing. */
+        ensure_button_arrow_widget();
+        gComboBoxEntryArrowWidget = gButtonArrowWidget;
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+
+static gint
+ensure_handlebox_widget()
+{
+    if (!gHandleBoxWidget) {
+        gHandleBoxWidget = gtk_handle_box_new();
+        setup_widget_prototype(gHandleBoxWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_toolbar_widget()
+{
+    if (!gToolbarWidget) {
+        ensure_handlebox_widget();
+        gToolbarWidget = gtk_toolbar_new();
+        gtk_container_add(GTK_CONTAINER(gHandleBoxWidget), gToolbarWidget);
+        gtk_widget_realize(gToolbarWidget);
+        g_object_set_data(G_OBJECT(gToolbarWidget), "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_toolbar_separator_widget()
+{
+    if (!gToolbarSeparatorWidget) {
+        ensure_toolbar_widget();
+        gToolbarSeparatorWidget = GTK_WIDGET(gtk_separator_tool_item_new());
+        setup_widget_prototype(gToolbarSeparatorWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_tooltip_widget()
+{
+    if (!gTooltipWidget) {
+        gTooltipWidget = gtk_window_new(GTK_WINDOW_POPUP);
+        gtk_widget_realize(gTooltipWidget);
+        moz_gtk_set_widget_name(gTooltipWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_tab_widget()
+{
+    if (!gTabWidget) {
+        gTabWidget = gtk_notebook_new();
+        setup_widget_prototype(gTabWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_progress_widget()
+{
+    if (!gProgressWidget) {
+        gProgressWidget = gtk_progress_bar_new();
+        setup_widget_prototype(gProgressWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_statusbar_widget()
+{
+    if (!gStatusbarWidget) {
+      gStatusbarWidget = gtk_statusbar_new();
+      setup_widget_prototype(gStatusbarWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_frame_widget()
+{
+    if (!gFrameWidget) {
+        ensure_statusbar_widget();
+        gFrameWidget = gtk_frame_new(NULL);
+        gtk_container_add(GTK_CONTAINER(gStatusbarWidget), gFrameWidget);
+        gtk_widget_realize(gFrameWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_menu_bar_widget()
+{
+    if (!gMenuBarWidget) {
+        gMenuBarWidget = gtk_menu_bar_new();
+        setup_widget_prototype(gMenuBarWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_menu_bar_item_widget()
+{
+    if (!gMenuBarItemWidget) {
+        ensure_menu_bar_widget();
+        gMenuBarItemWidget = gtk_menu_item_new();
+        gtk_menu_shell_append(GTK_MENU_SHELL(gMenuBarWidget),
+                              gMenuBarItemWidget);
+        gtk_widget_realize(gMenuBarItemWidget);
+        g_object_set_data(G_OBJECT(gMenuBarItemWidget),
+                          "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_menu_popup_widget()
+{
+    if (!gMenuPopupWidget) {
+        ensure_menu_bar_item_widget();
+        gMenuPopupWidget = gtk_menu_new();
+        gtk_menu_item_set_submenu(GTK_MENU_ITEM(gMenuBarItemWidget),
+                                  gMenuPopupWidget);
+        gtk_widget_realize(gMenuPopupWidget);
+        g_object_set_data(G_OBJECT(gMenuPopupWidget),
+                          "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_menu_item_widget()
+{
+    if (!gMenuItemWidget) {
+        ensure_menu_popup_widget();
+        gMenuItemWidget = gtk_menu_item_new_with_label("M");
+        gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
+                              gMenuItemWidget);
+        gtk_widget_realize(gMenuItemWidget);
+        g_object_set_data(G_OBJECT(gMenuItemWidget),
+                          "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_image_menu_item_widget()
+{
+    if (!gImageMenuItemWidget) {
+        ensure_menu_popup_widget();
+        gImageMenuItemWidget = gtk_image_menu_item_new();
+        gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
+                              gImageMenuItemWidget);
+        gtk_widget_realize(gImageMenuItemWidget);
+        g_object_set_data(G_OBJECT(gImageMenuItemWidget),
+                          "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_menu_separator_widget()
+{
+    if (!gMenuSeparatorWidget) {
+        ensure_menu_popup_widget();
+        gMenuSeparatorWidget = gtk_separator_menu_item_new();
+        gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
+                              gMenuSeparatorWidget);
+        gtk_widget_realize(gMenuSeparatorWidget);
+        g_object_set_data(G_OBJECT(gMenuSeparatorWidget),
+                          "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_check_menu_item_widget()
+{
+    if (!gCheckMenuItemWidget) {
+        ensure_menu_popup_widget();
+        gCheckMenuItemWidget = gtk_check_menu_item_new_with_label("M");
+        gtk_menu_shell_append(GTK_MENU_SHELL(gMenuPopupWidget),
+                              gCheckMenuItemWidget);
+        gtk_widget_realize(gCheckMenuItemWidget);
+        g_object_set_data(G_OBJECT(gCheckMenuItemWidget),
+                          "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_tree_view_widget()
+{
+    if (!gTreeViewWidget) {
+        gTreeViewWidget = gtk_tree_view_new();
+        setup_widget_prototype(gTreeViewWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_tree_header_cell_widget()
+{
+    if(!gTreeHeaderCellWidget) {
+        /*
+         * Some GTK engines paint the first and last cell
+         * of a TreeView header with a highlight.
+         * Since we do not know where our widget will be relative
+         * to the other buttons in the TreeView header, we must
+         * paint it as a button that is between two others,
+         * thus ensuring it is neither the first or last button
+         * in the header.
+         * GTK doesn't give us a way to do this explicitly,
+         * so we must paint with a button that is between two
+         * others.
+         */
+
+        GtkTreeViewColumn* firstTreeViewColumn;
+        GtkTreeViewColumn* lastTreeViewColumn;
+
+        ensure_tree_view_widget();
+
+        /* Create and append our three columns */
+        firstTreeViewColumn = gtk_tree_view_column_new();
+        gtk_tree_view_column_set_title(firstTreeViewColumn, "M");
+        gtk_tree_view_append_column(GTK_TREE_VIEW(gTreeViewWidget), firstTreeViewColumn);
+
+        gMiddleTreeViewColumn = gtk_tree_view_column_new();
+        gtk_tree_view_column_set_title(gMiddleTreeViewColumn, "M");
+        gtk_tree_view_append_column(GTK_TREE_VIEW(gTreeViewWidget),
+                                    gMiddleTreeViewColumn);
+
+        lastTreeViewColumn = gtk_tree_view_column_new();
+        gtk_tree_view_column_set_title(lastTreeViewColumn, "M");
+        gtk_tree_view_append_column(GTK_TREE_VIEW(gTreeViewWidget), lastTreeViewColumn);
+
+        /* Use the middle column's header for our button */
+        gTreeHeaderCellWidget = gMiddleTreeViewColumn->button;
+        gTreeHeaderSortArrowWidget = gMiddleTreeViewColumn->arrow;
+        g_object_set_data(G_OBJECT(gTreeHeaderCellWidget),
+                          "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+        g_object_set_data(G_OBJECT(gTreeHeaderSortArrowWidget),
+                          "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_expander_widget()
+{
+    if (!gExpanderWidget) {
+        gExpanderWidget = gtk_expander_new("M");
+        setup_widget_prototype(gExpanderWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_scrolled_window_widget()
+{
+    if (!gScrolledWindowWidget) {
+        gScrolledWindowWidget = gtk_scrolled_window_new(NULL, NULL);
+        setup_widget_prototype(gScrolledWindowWidget);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static GtkStateType
+ConvertGtkState(GtkWidgetState* state)
+{
+    if (state->disabled)
+        return GTK_STATE_INSENSITIVE;
+    else if (state->depressed)
+        return (state->inHover ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
+    else if (state->inHover)
+        return (state->active ? GTK_STATE_ACTIVE : GTK_STATE_PRELIGHT);
+    else
+        return GTK_STATE_NORMAL;
+}
+
+static gint
+TSOffsetStyleGCArray(GdkGC** gcs, gint xorigin, gint yorigin)
+{
+    int i;
+    /* there are 5 gc's in each array, for each of the widget states */
+    for (i = 0; i < 5; ++i)
+        gdk_gc_set_ts_origin(gcs[i], xorigin, yorigin);
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+TSOffsetStyleGCs(GtkStyle* style, gint xorigin, gint yorigin)
+{
+    TSOffsetStyleGCArray(style->fg_gc, xorigin, yorigin);
+    TSOffsetStyleGCArray(style->bg_gc, xorigin, yorigin);
+    TSOffsetStyleGCArray(style->light_gc, xorigin, yorigin);
+    TSOffsetStyleGCArray(style->dark_gc, xorigin, yorigin);
+    TSOffsetStyleGCArray(style->mid_gc, xorigin, yorigin);
+    TSOffsetStyleGCArray(style->text_gc, xorigin, yorigin);
+    TSOffsetStyleGCArray(style->base_gc, xorigin, yorigin);
+    gdk_gc_set_ts_origin(style->black_gc, xorigin, yorigin);
+    gdk_gc_set_ts_origin(style->white_gc, xorigin, yorigin);
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_init()
+{
+    GtkWidgetClass *entry_class;
+
+    if (is_initialized)
+        return MOZ_GTK_SUCCESS;
+
+    is_initialized = TRUE;
+    have_arrow_scaling = (gtk_major_version > 2 ||
+                          (gtk_major_version == 2 && gtk_minor_version >= 12));
+
+    /* Add style property to GtkEntry.
+     * Adding the style property to the normal GtkEntry class means that it
+     * will work without issues inside GtkComboBox and for Spinbuttons. */
+    entry_class = g_type_class_ref(GTK_TYPE_ENTRY);
+    gtk_widget_class_install_style_property(entry_class,
+        g_param_spec_boolean("honors-transparent-bg-hint",
+                             "Transparent BG enabling flag",
+                             "If TRUE, the theme is able to draw the GtkEntry on non-prefilled background.",
+                             FALSE,
+                             G_PARAM_READWRITE));
+
+    return MOZ_GTK_SUCCESS;
+}
+
+GdkColormap*
+moz_gtk_widget_get_colormap()
+{
+    /* Child widgets inherit the colormap from the GtkWindow. */
+    ensure_window_widget();
+    return gtk_widget_get_colormap(gProtoWindow);
+}
+
+gint
+moz_gtk_checkbox_get_metrics(gint* indicator_size, gint* indicator_spacing)
+{
+    ensure_checkbox_widget();
+
+    gtk_widget_style_get (gCheckboxWidget,
+                          "indicator_size", indicator_size,
+                          "indicator_spacing", indicator_spacing,
+                          NULL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_radio_get_metrics(gint* indicator_size, gint* indicator_spacing)
+{
+    ensure_radiobutton_widget();
+
+    gtk_widget_style_get (gRadiobuttonWidget,
+                          "indicator_size", indicator_size,
+                          "indicator_spacing", indicator_spacing,
+                          NULL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_focus_outline_size(gint* focus_h_width, gint* focus_v_width)
+{
+    gboolean interior_focus;
+    gint focus_width = 0;
+
+    ensure_entry_widget();
+    gtk_widget_style_get(gEntryWidget,
+                         "interior-focus", &interior_focus,
+                         "focus-line-width", &focus_width,
+                         NULL);
+    if (interior_focus) {
+        *focus_h_width = XTHICKNESS(gEntryWidget->style) + focus_width;
+        *focus_v_width = YTHICKNESS(gEntryWidget->style) + focus_width;
+    } else {
+        *focus_h_width = focus_width;
+        *focus_v_width = focus_width;
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_widget_get_focus(GtkWidget* widget, gboolean* interior_focus,
+                         gint* focus_width, gint* focus_pad) 
+{
+    gtk_widget_style_get (widget,
+                          "interior-focus", interior_focus,
+                          "focus-line-width", focus_width,
+                          "focus-padding", focus_pad,
+                          NULL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_menuitem_get_horizontal_padding(gint* horizontal_padding)
+{
+    ensure_menu_item_widget();
+
+    gtk_widget_style_get (gMenuItemWidget,
+                          "horizontal-padding", horizontal_padding,
+                          NULL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_checkmenuitem_get_horizontal_padding(gint* horizontal_padding)
+{
+    ensure_check_menu_item_widget();
+
+    gtk_widget_style_get (gCheckMenuItemWidget,
+                          "horizontal-padding", horizontal_padding,
+                          NULL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_button_get_default_overflow(gint* border_top, gint* border_left,
+                                    gint* border_bottom, gint* border_right)
+{
+    GtkBorder* default_outside_border;
+
+    ensure_button_widget();
+    gtk_widget_style_get(gButtonWidget,
+                         "default-outside-border", &default_outside_border,
+                         NULL);
+
+    if (default_outside_border) {
+        *border_top = default_outside_border->top;
+        *border_left = default_outside_border->left;
+        *border_bottom = default_outside_border->bottom;
+        *border_right = default_outside_border->right;
+        gtk_border_free(default_outside_border);
+    } else {
+        *border_top = *border_left = *border_bottom = *border_right = 0;
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_button_get_default_border(gint* border_top, gint* border_left,
+                                  gint* border_bottom, gint* border_right)
+{
+    GtkBorder* default_border;
+
+    ensure_button_widget();
+    gtk_widget_style_get(gButtonWidget,
+                         "default-border", &default_border,
+                         NULL);
+
+    if (default_border) {
+        *border_top = default_border->top;
+        *border_left = default_border->left;
+        *border_bottom = default_border->bottom;
+        *border_right = default_border->right;
+        gtk_border_free(default_border);
+    } else {
+        /* see gtkbutton.c */
+        *border_top = *border_left = *border_bottom = *border_right = 1;
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_splitter_get_metrics(gint orientation, gint* size)
+{
+    if (orientation == GTK_ORIENTATION_HORIZONTAL) {
+        ensure_hpaned_widget();
+        gtk_widget_style_get(gHPanedWidget, "handle_size", size, NULL);
+    } else {
+        ensure_vpaned_widget();
+        gtk_widget_style_get(gVPanedWidget, "handle_size", size, NULL);
+    }
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_button_get_inner_border(GtkWidget* widget, GtkBorder* inner_border)
+{
+    static const GtkBorder default_inner_border = { 1, 1, 1, 1 };
+    GtkBorder *tmp_border;
+
+    gtk_widget_style_get (widget, "inner-border", &tmp_border, NULL);
+
+    if (tmp_border) {
+        *inner_border = *tmp_border;
+        gtk_border_free(tmp_border);
+    }
+    else
+        *inner_border = default_inner_border;
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_button_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                     GdkRectangle* cliprect, GtkWidgetState* state,
+                     GtkReliefStyle relief, GtkWidget* widget,
+                     GtkTextDirection direction)
+{
+    GtkShadowType shadow_type;
+    GtkStyle* style = widget->style;
+    GtkStateType button_state = ConvertGtkState(state);
+    gint x = rect->x, y=rect->y, width=rect->width, height=rect->height;
+
+    gboolean interior_focus;
+    gint focus_width, focus_pad;
+
+    moz_gtk_widget_get_focus(widget, &interior_focus, &focus_width, &focus_pad);
+
+    if (WINDOW_IS_MAPPED(drawable)) {
+        gdk_window_set_back_pixmap(drawable, NULL, TRUE);
+        gdk_window_clear_area(drawable, cliprect->x, cliprect->y,
+                              cliprect->width, cliprect->height);
+    }
+
+    gtk_widget_set_state(widget, button_state);
+    gtk_widget_set_direction(widget, direction);
+
+    if (state->isDefault)
+        GTK_WIDGET_SET_FLAGS(widget, GTK_HAS_DEFAULT);
+
+    GTK_BUTTON(widget)->relief = relief;
+
+    /* Some theme engines love to cause us pain in that gtk_paint_focus is a
+       no-op on buttons and button-like widgets. They only listen to this flag. */
+    if (state->focused && !state->disabled)
+        GTK_WIDGET_SET_FLAGS(widget, GTK_HAS_FOCUS);
+
+    if (!interior_focus && state->focused) {
+        x += focus_width + focus_pad;
+        y += focus_width + focus_pad;
+        width -= 2 * (focus_width + focus_pad);
+        height -= 2 * (focus_width + focus_pad);
+    }
+
+    shadow_type = button_state == GTK_STATE_ACTIVE ||
+                      state->depressed ? GTK_SHADOW_IN : GTK_SHADOW_OUT;
+ 
+    if (state->isDefault && relief == GTK_RELIEF_NORMAL) {
+        /* handle default borders both outside and inside the button */
+        gint default_top, default_left, default_bottom, default_right;
+        moz_gtk_button_get_default_overflow(&default_top, &default_left,
+                                            &default_bottom, &default_right);
+        x -= default_left;
+        y -= default_top;
+        width += default_left + default_right;
+        height += default_top + default_bottom;
+        gtk_paint_box(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_IN, cliprect,
+                      widget, "buttondefault", x, y, width, height);
+
+        moz_gtk_button_get_default_border(&default_top, &default_left,
+                                          &default_bottom, &default_right);
+        x += default_left;
+        y += default_top;
+        width -= (default_left + default_right);
+        height -= (default_top + default_bottom);
+    }
+ 
+    if (relief != GTK_RELIEF_NONE || state->depressed ||
+        (button_state != GTK_STATE_NORMAL &&
+         button_state != GTK_STATE_INSENSITIVE)) {
+        TSOffsetStyleGCs(style, x, y);
+        /* the following line can trigger an assertion (Crux theme)
+           file ../../gdk/gdkwindow.c: line 1846 (gdk_window_clear_area):
+           assertion `GDK_IS_WINDOW (window)' failed */
+        gtk_paint_box(style, drawable, button_state, shadow_type, cliprect,
+                      widget, "button", x, y, width, height);
+    }
+
+    if (state->focused) {
+        if (interior_focus) {
+            x += widget->style->xthickness + focus_pad;
+            y += widget->style->ythickness + focus_pad;
+            width -= 2 * (widget->style->xthickness + focus_pad);
+            height -= 2 * (widget->style->ythickness + focus_pad);
+        } else {
+            x -= focus_width + focus_pad;
+            y -= focus_width + focus_pad;
+            width += 2 * (focus_width + focus_pad);
+            height += 2 * (focus_width + focus_pad);
+        }
+
+        TSOffsetStyleGCs(style, x, y);
+        gtk_paint_focus(style, drawable, button_state, cliprect,
+                        widget, "button", x, y, width, height);
+    }
+
+    GTK_WIDGET_UNSET_FLAGS(widget, GTK_HAS_DEFAULT);
+    GTK_WIDGET_UNSET_FLAGS(widget, GTK_HAS_FOCUS);
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_toggle_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                     GdkRectangle* cliprect, GtkWidgetState* state,
+                     gboolean selected, gboolean inconsistent,
+                     gboolean isradio, GtkTextDirection direction)
+{
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type = (selected)?GTK_SHADOW_IN:GTK_SHADOW_OUT;
+    gint indicator_size, indicator_spacing;
+    gint x, y, width, height;
+    gint focus_x, focus_y, focus_width, focus_height;
+    GtkWidget *w;
+    GtkStyle *style;
+
+    if (isradio) {
+        moz_gtk_radio_get_metrics(&indicator_size, &indicator_spacing);
+        w = gRadiobuttonWidget;
+    } else {
+        moz_gtk_checkbox_get_metrics(&indicator_size, &indicator_spacing);
+        w = gCheckboxWidget;
+    }
+
+    // XXX we should assert rect->height >= indicator_size too
+    // after bug 369581 is fixed.
+    MOZ_ASSERT(rect->width >= indicator_size,
+               "GetMinimumWidgetSize was ignored");
+
+    // Paint it center aligned in the rect.
+    x = rect->x + (rect->width - indicator_size) / 2;
+    y = rect->y + (rect->height - indicator_size) / 2;
+    width = indicator_size;
+    height = indicator_size;
+
+    focus_x = x - indicator_spacing;
+    focus_y = y - indicator_spacing;
+    focus_width = width + 2 * indicator_spacing;
+    focus_height = height + 2 * indicator_spacing;
+  
+    style = w->style;
+    TSOffsetStyleGCs(style, x, y);
+
+    gtk_widget_set_sensitive(w, !state->disabled);
+    gtk_widget_set_direction(w, direction);
+    GTK_TOGGLE_BUTTON(w)->active = selected;
+      
+    if (isradio) {
+        gtk_paint_option(style, drawable, state_type, shadow_type, cliprect,
+                         gRadiobuttonWidget, "radiobutton", x, y,
+                         width, height);
+        if (state->focused) {
+            gtk_paint_focus(style, drawable, GTK_STATE_ACTIVE, cliprect,
+                            gRadiobuttonWidget, "radiobutton", focus_x, focus_y,
+                            focus_width, focus_height);
+        }
+    }
+    else {
+       /*
+        * 'indeterminate' type on checkboxes. In GTK, the shadow type
+        * must also be changed for the state to be drawn.
+        */
+        if (inconsistent) {
+            gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(gCheckboxWidget), TRUE);
+            shadow_type = GTK_SHADOW_ETCHED_IN;
+        } else {
+            gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(gCheckboxWidget), FALSE);
+        }
+
+        gtk_paint_check(style, drawable, state_type, shadow_type, cliprect, 
+                        gCheckboxWidget, "checkbutton", x, y, width, height);
+        if (state->focused) {
+            gtk_paint_focus(style, drawable, GTK_STATE_ACTIVE, cliprect,
+                            gCheckboxWidget, "checkbutton", focus_x, focus_y,
+                            focus_width, focus_height);
+        }
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+calculate_button_inner_rect(GtkWidget* button, GdkRectangle* rect,
+                            GdkRectangle* inner_rect,
+                            GtkTextDirection direction,
+                            gboolean ignore_focus)
+{
+    GtkBorder inner_border;
+    gboolean interior_focus;
+    gint focus_width, focus_pad;
+    GtkStyle* style;
+
+    style = button->style;
+
+    /* This mirrors gtkbutton's child positioning */
+    moz_gtk_button_get_inner_border(button, &inner_border);
+    moz_gtk_widget_get_focus(button, &interior_focus,
+                             &focus_width, &focus_pad);
+
+    if (ignore_focus)
+        focus_width = focus_pad = 0;
+
+    inner_rect->x = rect->x + XTHICKNESS(style) + focus_width + focus_pad;
+    inner_rect->x += direction == GTK_TEXT_DIR_LTR ?
+                        inner_border.left : inner_border.right;
+    inner_rect->y = rect->y + inner_border.top + YTHICKNESS(style) +
+                    focus_width + focus_pad;
+    inner_rect->width = MAX(1, rect->width - inner_border.left -
+       inner_border.right - (XTHICKNESS(style) + focus_pad + focus_width) * 2);
+    inner_rect->height = MAX(1, rect->height - inner_border.top -
+       inner_border.bottom - (YTHICKNESS(style) + focus_pad + focus_width) * 2);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+calculate_arrow_rect(GtkWidget* arrow, GdkRectangle* rect,
+                     GdkRectangle* arrow_rect, GtkTextDirection direction)
+{
+    /* defined in gtkarrow.c */
+    gfloat arrow_scaling = 0.7;
+    gfloat xalign, xpad;
+    gint extent;
+    GtkMisc* misc = GTK_MISC(arrow);
+
+    if (have_arrow_scaling)
+        gtk_widget_style_get(arrow, "arrow_scaling", &arrow_scaling, NULL);
+
+    extent = MIN((rect->width - misc->xpad * 2),
+                 (rect->height - misc->ypad * 2)) * arrow_scaling;
+
+    xalign = direction == GTK_TEXT_DIR_LTR ? misc->xalign : 1.0 - misc->xalign;
+    xpad = misc->xpad + (rect->width - extent) * xalign;
+
+    arrow_rect->x = direction == GTK_TEXT_DIR_LTR ?
+                        floor(rect->x + xpad) : ceil(rect->x + xpad);
+    arrow_rect->y = floor(rect->y + misc->ypad +
+                          ((rect->height - extent) * misc->yalign));
+
+    arrow_rect->width = arrow_rect->height = extent;
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_scrollbar_button_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                               GdkRectangle* cliprect, GtkWidgetState* state,
+                               GtkScrollbarButtonFlags flags,
+                               GtkTextDirection direction)
+{
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type = (state->active) ?
+        GTK_SHADOW_IN : GTK_SHADOW_OUT;
+    GdkRectangle arrow_rect;
+    GtkStyle* style;
+    GtkWidget *scrollbar;
+    GtkArrowType arrow_type;
+    gint arrow_displacement_x, arrow_displacement_y;
+    const char* detail = (flags & MOZ_GTK_STEPPER_VERTICAL) ?
+                           "vscrollbar" : "hscrollbar";
+
+    ensure_scrollbar_widget();
+
+    if (flags & MOZ_GTK_STEPPER_VERTICAL)
+        scrollbar = gVertScrollbarWidget;
+    else
+        scrollbar = gHorizScrollbarWidget;
+
+    gtk_widget_set_direction(scrollbar, direction);
+
+    /* Some theme engines (i.e., ClearLooks) check the scrollbar's allocation
+       to determine where it should paint rounded corners on the buttons.
+       We need to trick them into drawing the buttons the way we want them. */
+
+    scrollbar->allocation.x = rect->x;
+    scrollbar->allocation.y = rect->y;
+    scrollbar->allocation.width = rect->width;
+    scrollbar->allocation.height = rect->height;
+
+    if (flags & MOZ_GTK_STEPPER_VERTICAL) {
+        scrollbar->allocation.height *= 5;
+        if (flags & MOZ_GTK_STEPPER_DOWN) {
+            arrow_type = GTK_ARROW_DOWN;
+            if (flags & MOZ_GTK_STEPPER_BOTTOM)
+                scrollbar->allocation.y -= 4 * rect->height;
+            else
+                scrollbar->allocation.y -= rect->height;
+
+        } else {
+            arrow_type = GTK_ARROW_UP;
+            if (flags & MOZ_GTK_STEPPER_BOTTOM)
+                scrollbar->allocation.y -= 3 * rect->height;
+        }
+    } else {
+        scrollbar->allocation.width *= 5;
+        if (flags & MOZ_GTK_STEPPER_DOWN) {
+            arrow_type = GTK_ARROW_RIGHT;
+            if (flags & MOZ_GTK_STEPPER_BOTTOM)
+                scrollbar->allocation.x -= 4 * rect->width;
+            else
+                scrollbar->allocation.x -= rect->width;
+        } else {
+            arrow_type = GTK_ARROW_LEFT;
+            if (flags & MOZ_GTK_STEPPER_BOTTOM)
+                scrollbar->allocation.x -= 3 * rect->width;
+        }
+    }
+
+    style = scrollbar->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    gtk_paint_box(style, drawable, state_type, shadow_type, cliprect,
+                  scrollbar, detail, rect->x, rect->y,
+                  rect->width, rect->height);
+
+    arrow_rect.width = rect->width / 2;
+    arrow_rect.height = rect->height / 2;
+    arrow_rect.x = rect->x + (rect->width - arrow_rect.width) / 2;
+    arrow_rect.y = rect->y + (rect->height - arrow_rect.height) / 2;
+
+    if (state_type == GTK_STATE_ACTIVE) {
+        gtk_widget_style_get(scrollbar,
+                             "arrow-displacement-x", &arrow_displacement_x,
+                             "arrow-displacement-y", &arrow_displacement_y,
+                             NULL);
+
+        arrow_rect.x += arrow_displacement_x;
+        arrow_rect.y += arrow_displacement_y;
+    }
+
+    gtk_paint_arrow(style, drawable, state_type, shadow_type, cliprect,
+                    scrollbar, detail, arrow_type, TRUE, arrow_rect.x,
+                    arrow_rect.y, arrow_rect.width, arrow_rect.height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_scrollbar_trough_paint(WidgetNodeType widget,
+                               GdkDrawable* drawable, GdkRectangle* rect,
+                               GdkRectangle* cliprect, GtkWidgetState* state,
+                               GtkTextDirection direction)
+{
+    GtkStyle* style;
+    GtkScrollbar *scrollbar;
+
+    ensure_scrollbar_widget();
+
+    if (widget ==  MOZ_GTK_SCROLLBAR_HORIZONTAL)
+        scrollbar = GTK_SCROLLBAR(gHorizScrollbarWidget);
+    else
+        scrollbar = GTK_SCROLLBAR(gVertScrollbarWidget);
+
+    gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
+
+    style = GTK_WIDGET(scrollbar)->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_style_apply_default_background(style, drawable, TRUE, GTK_STATE_ACTIVE,
+                                       cliprect, rect->x, rect->y,
+                                       rect->width, rect->height);
+
+    gtk_paint_box(style, drawable, GTK_STATE_ACTIVE, GTK_SHADOW_IN, cliprect,
+                  GTK_WIDGET(scrollbar), "trough", rect->x, rect->y,
+                  rect->width, rect->height);
+
+    if (state->focused) {
+        gtk_paint_focus(style, drawable, GTK_STATE_ACTIVE, cliprect,
+                        GTK_WIDGET(scrollbar), "trough",
+                        rect->x, rect->y, rect->width, rect->height);
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_scrollbar_thumb_paint(WidgetNodeType widget,
+                              GdkDrawable* drawable, GdkRectangle* rect,
+                              GdkRectangle* cliprect, GtkWidgetState* state,
+                              GtkTextDirection direction)
+{
+    GtkStateType state_type = (state->inHover || state->active) ?
+        GTK_STATE_PRELIGHT : GTK_STATE_NORMAL;
+    GtkShadowType shadow_type = GTK_SHADOW_OUT;
+    GtkStyle* style;
+    GtkScrollbar *scrollbar;
+    GtkAdjustment *adj;
+    gboolean activate_slider;
+
+    ensure_scrollbar_widget();
+
+    if (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL)
+        scrollbar = GTK_SCROLLBAR(gHorizScrollbarWidget);
+    else
+        scrollbar = GTK_SCROLLBAR(gVertScrollbarWidget);
+
+    gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
+
+    /* Make sure to set the scrollbar range before painting so that
+       everything is drawn properly.  At least the bluecurve (and
+       maybe other) themes don't draw the top or bottom black line
+       surrounding the scrollbar if the theme thinks that it's butted
+       up against the scrollbar arrows.  Note the increases of the
+       clip rect below. */
+    adj = gtk_range_get_adjustment(GTK_RANGE(scrollbar));
+
+    if (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL) {
+        adj->page_size = rect->width;
+    }
+    else {
+        adj->page_size = rect->height;
+    }
+
+    adj->lower = 0;
+    adj->value = state->curpos;
+    adj->upper = state->maxpos;
+    gtk_adjustment_changed(adj);
+
+    style = GTK_WIDGET(scrollbar)->style;
+    
+    gtk_widget_style_get(GTK_WIDGET(scrollbar), "activate-slider",
+                         &activate_slider, NULL);
+    
+    if (activate_slider && state->active) {
+        shadow_type = GTK_SHADOW_IN;
+        state_type = GTK_STATE_ACTIVE;
+    }
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    gtk_paint_slider(style, drawable, state_type, shadow_type, cliprect,
+                     GTK_WIDGET(scrollbar), "slider", rect->x, rect->y,
+                     rect->width,  rect->height,
+                     (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL) ?
+                     GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_spin_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                   GtkTextDirection direction)
+{
+    GtkStyle* style;
+
+    ensure_spin_widget();
+    gtk_widget_set_direction(gSpinWidget, direction);
+    style = gSpinWidget->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_paint_box(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_IN, NULL,
+                  gSpinWidget, "spinbutton",
+                  rect->x, rect->y, rect->width, rect->height);
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_spin_updown_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                          gboolean isDown, GtkWidgetState* state,
+                          GtkTextDirection direction)
+{
+    GdkRectangle arrow_rect;
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type = state_type == GTK_STATE_ACTIVE ?
+                                  GTK_SHADOW_IN : GTK_SHADOW_OUT;
+    GtkStyle* style;
+
+    ensure_spin_widget();
+    style = gSpinWidget->style;
+    gtk_widget_set_direction(gSpinWidget, direction);
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_paint_box(style, drawable, state_type, shadow_type, NULL, gSpinWidget,
+                  isDown ? "spinbutton_down" : "spinbutton_up",
+                  rect->x, rect->y, rect->width, rect->height);
+
+    /* hard code these values */
+    arrow_rect.width = 6;
+    arrow_rect.height = 6;
+    arrow_rect.x = rect->x + (rect->width - arrow_rect.width) / 2;
+    arrow_rect.y = rect->y + (rect->height - arrow_rect.height) / 2;
+    arrow_rect.y += isDown ? -1 : 1;
+
+    gtk_paint_arrow(style, drawable, state_type, shadow_type, NULL,
+                    gSpinWidget, "spinbutton",
+                    isDown ? GTK_ARROW_DOWN : GTK_ARROW_UP, TRUE,
+                    arrow_rect.x, arrow_rect.y,
+                    arrow_rect.width, arrow_rect.height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_scale_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                    GdkRectangle* cliprect, GtkWidgetState* state,
+                    GtkOrientation flags, GtkTextDirection direction)
+{
+  gint x = 0, y = 0;
+  GtkStateType state_type = ConvertGtkState(state);
+  GtkStyle* style;
+  GtkWidget* widget;
+
+  ensure_scale_widget();
+  widget = ((flags == GTK_ORIENTATION_HORIZONTAL) ? gHScaleWidget : gVScaleWidget);
+  gtk_widget_set_direction(widget, direction);
+
+  style = widget->style;
+
+  if (flags == GTK_ORIENTATION_HORIZONTAL) {
+    x = XTHICKNESS(style);
+    y++;
+  }
+  else {
+    x++;
+    y = YTHICKNESS(style);
+  }
+
+  TSOffsetStyleGCs(style, rect->x, rect->y);
+
+  gtk_paint_box(style, drawable, GTK_STATE_ACTIVE, GTK_SHADOW_IN, cliprect,
+                widget, "trough", rect->x + x, rect->y + y,
+                rect->width - 2*x, rect->height - 2*y);
+
+  if (state->focused)
+    gtk_paint_focus(style, drawable, state_type, cliprect, widget, "trough",
+                    rect->x, rect->y, rect->width, rect->height);
+
+  return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_scale_thumb_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                          GdkRectangle* cliprect, GtkWidgetState* state,
+                          GtkOrientation flags, GtkTextDirection direction)
+{
+  GtkStateType state_type = ConvertGtkState(state);
+  GtkStyle* style;
+  GtkWidget* widget;
+  gint thumb_width, thumb_height, x, y;
+
+  ensure_scale_widget();
+  widget = ((flags == GTK_ORIENTATION_HORIZONTAL) ? gHScaleWidget : gVScaleWidget);
+  gtk_widget_set_direction(widget, direction);
+
+  style = widget->style;
+
+  /* determine the thumb size, and position the thumb in the center in the opposite axis */
+  if (flags == GTK_ORIENTATION_HORIZONTAL) {
+    moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_HORIZONTAL, &thumb_width, &thumb_height);
+    x = rect->x;
+    y = rect->y + (rect->height - thumb_height) / 2;
+  }
+  else {
+    moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_VERTICAL, &thumb_height, &thumb_width);
+    x = rect->x + (rect->width - thumb_width) / 2;
+    y = rect->y;
+  }
+
+  TSOffsetStyleGCs(style, rect->x, rect->y);
+  gtk_paint_slider(style, drawable, state_type, GTK_SHADOW_OUT, cliprect,
+                   widget, (flags == GTK_ORIENTATION_HORIZONTAL) ? "hscale" : "vscale",
+                   x, y, thumb_width, thumb_height, flags);
+
+  return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_gripper_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                      GdkRectangle* cliprect, GtkWidgetState* state,
+                      GtkTextDirection direction)
+{
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type;
+    GtkStyle* style;
+
+    ensure_handlebox_widget();
+    gtk_widget_set_direction(gHandleBoxWidget, direction);
+
+    style = gHandleBoxWidget->style;
+    shadow_type = GTK_HANDLE_BOX(gHandleBoxWidget)->shadow_type;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_paint_box(style, drawable, state_type, shadow_type, cliprect,
+                  gHandleBoxWidget, "handlebox_bin", rect->x, rect->y,
+                  rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_hpaned_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                     GdkRectangle* cliprect, GtkWidgetState* state)
+{
+    GtkStateType hpaned_state = ConvertGtkState(state);
+
+    ensure_hpaned_widget();
+    gtk_paint_handle(gHPanedWidget->style, drawable, hpaned_state,
+                     GTK_SHADOW_NONE, cliprect, gHPanedWidget, "paned",
+                     rect->x, rect->y, rect->width, rect->height,
+                     GTK_ORIENTATION_VERTICAL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_vpaned_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                     GdkRectangle* cliprect, GtkWidgetState* state)
+{
+    GtkStateType vpaned_state = ConvertGtkState(state);
+
+    ensure_vpaned_widget();
+    gtk_paint_handle(gVPanedWidget->style, drawable, vpaned_state,
+                     GTK_SHADOW_NONE, cliprect, gVPanedWidget, "paned",
+                     rect->x, rect->y, rect->width, rect->height,
+                     GTK_ORIENTATION_HORIZONTAL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_entry_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                    GdkRectangle* cliprect, GtkWidgetState* state,
+                    GtkWidget* widget, GtkTextDirection direction)
+{
+    GtkStateType bg_state = state->disabled ?
+                                GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL;
+    gint x, y, width = rect->width, height = rect->height;
+    GtkStyle* style;
+    gboolean interior_focus;
+    gboolean theme_honors_transparency = FALSE;
+    gint focus_width;
+    int draw_focus_outline_only = state->depressed; // NS_THEME_FOCUS_OUTLINE
+
+    gtk_widget_set_direction(widget, direction);
+
+    style = widget->style;
+
+    gtk_widget_style_get(widget,
+                         "interior-focus", &interior_focus,
+                         "focus-line-width", &focus_width,
+                         "honors-transparent-bg-hint", &theme_honors_transparency,
+                         NULL);
+
+    if (draw_focus_outline_only) {
+        // Inflate the given 'rect' with the focus outline size.
+        gint h, v;
+        moz_gtk_get_focus_outline_size(&h, &v);
+        rect->x -= h;
+        rect->width += 2 * h;
+        rect->y -= v;
+        rect->height += 2 * v;
+        width = rect->width;
+        height = rect->height;
+    }
+
+    /* gtkentry.c uses two windows, one for the entire widget and one for the
+     * text area inside it. The background of both windows is set to the "base"
+     * color of the new state in gtk_entry_state_changed, but only the inner
+     * textarea window uses gtk_paint_flat_box when exposed */
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    /* This gets us a lovely greyish disabledish look */
+    gtk_widget_set_sensitive(widget, !state->disabled);
+
+    /* GTK fills the outer widget window with the base color before drawing the widget.
+     * Some older themes rely on this behavior, but many themes nowadays use rounded
+     * corners on their widgets. While most GTK apps are blissfully unaware of this
+     * problem due to their use of the default window background, we render widgets on
+     * many kinds of backgrounds on the web.
+     * If the theme is able to cope with transparency, then we can skip pre-filling
+     * and notify the theme it will paint directly on the canvas. */
+    if (theme_honors_transparency) {
+        g_object_set_data(G_OBJECT(widget), "transparent-bg-hint", GINT_TO_POINTER(TRUE));
+    } else {
+        GdkRectangle clipped_rect;
+        gdk_rectangle_intersect(rect, cliprect, &clipped_rect);
+        if (clipped_rect.width != 0) {
+            gdk_draw_rectangle(drawable, style->base_gc[bg_state], TRUE,
+                               clipped_rect.x, clipped_rect.y,
+                               clipped_rect.width, clipped_rect.height);
+        }
+        g_object_set_data(G_OBJECT(widget), "transparent-bg-hint", GINT_TO_POINTER(FALSE));
+    }
+
+    if (!draw_focus_outline_only) {
+        /* Get the position of the inner window, see _gtk_entry_get_borders */
+        x = XTHICKNESS(style);
+        y = YTHICKNESS(style);
+
+        if (!interior_focus) {
+            x += focus_width;
+            y += focus_width;
+        }
+
+        /* Simulate an expose of the inner window */
+        gtk_paint_flat_box(style, drawable, bg_state, GTK_SHADOW_NONE,
+                           cliprect, widget, "entry_bg",  rect->x + x,
+                           rect->y + y, rect->width - 2*x, rect->height - 2*y);
+    }
+
+    /* Now paint the shadow and focus border.
+     * We do like in gtk_entry_draw_frame, we first draw the shadow, a tad
+     * smaller when focused if the focus is not interior, then the focus. */
+    x = rect->x;
+    y = rect->y;
+
+    if (state->focused && !state->disabled) {
+        /* This will get us the lit borders that focused textboxes enjoy on
+         * some themes. */
+        GTK_WIDGET_SET_FLAGS(widget, GTK_HAS_FOCUS);
+
+        if (!interior_focus) {
+            /* Indent the border a little bit if we have exterior focus 
+               (this is what GTK does to draw native entries) */
+            x += focus_width;
+            y += focus_width;
+            width -= 2 * focus_width;
+            height -= 2 * focus_width;
+        }
+    }
+
+    if (!draw_focus_outline_only || interior_focus) {
+        gtk_paint_shadow(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_IN,
+                         cliprect, widget, "entry", x, y, width, height);
+    }
+
+    if (state->focused && !state->disabled) {
+        if (!interior_focus) {
+            gtk_paint_focus(style, drawable,  GTK_STATE_NORMAL, cliprect,
+                            widget, "entry",
+                            rect->x, rect->y, rect->width, rect->height);
+        }
+
+        /* Now unset the focus flag. We don't want other entries to look
+         * like they're focused too! */
+        GTK_WIDGET_UNSET_FLAGS(widget, GTK_HAS_FOCUS);
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint 
+moz_gtk_treeview_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                       GdkRectangle* cliprect, GtkWidgetState* state,
+                       GtkTextDirection direction)
+{
+    gint xthickness, ythickness;
+
+    GtkStyle *style;
+    GtkStateType state_type;
+
+    ensure_tree_view_widget();
+    ensure_scrolled_window_widget();
+
+    gtk_widget_set_direction(gTreeViewWidget, direction);
+    gtk_widget_set_direction(gScrolledWindowWidget, direction);
+
+    /* only handle disabled and normal states, otherwise the whole background
+     * area will be painted differently with other states */
+    state_type = state->disabled ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL;
+
+    /* In GTK the treeview sets the background of the window
+     * which contains the cells to the treeview base color.
+     * If we don't set it here the background color will not be correct.*/
+    gtk_widget_modify_bg(gTreeViewWidget, state_type,
+                         &gTreeViewWidget->style->base[state_type]);
+
+    style = gScrolledWindowWidget->style;
+    xthickness = XTHICKNESS(style);
+    ythickness = YTHICKNESS(style);
+
+    TSOffsetStyleGCs(gTreeViewWidget->style, rect->x, rect->y);
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    gtk_paint_flat_box(gTreeViewWidget->style, drawable, state_type,
+                       GTK_SHADOW_NONE, cliprect, gTreeViewWidget, "treeview",
+                       rect->x + xthickness, rect->y + ythickness,
+                       rect->width - 2 * xthickness,
+                       rect->height - 2 * ythickness);
+
+    gtk_paint_shadow(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_IN,
+                     cliprect, gScrolledWindowWidget, "scrolled_window",
+                     rect->x, rect->y, rect->width, rect->height); 
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_tree_header_cell_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                               GdkRectangle* cliprect, GtkWidgetState* state,
+                               gboolean isSorted, GtkTextDirection direction)
+{
+    gtk_tree_view_column_set_sort_indicator(gMiddleTreeViewColumn,
+                                            isSorted);
+
+    moz_gtk_button_paint(drawable, rect, cliprect, state, GTK_RELIEF_NORMAL,
+                         gTreeHeaderCellWidget, direction);
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_tree_header_sort_arrow_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                                     GdkRectangle* cliprect,
+                                     GtkWidgetState* state, GtkArrowType flags,
+                                     GtkTextDirection direction)
+{
+    GdkRectangle arrow_rect;
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type = GTK_SHADOW_IN;
+    GtkArrowType arrow_type = flags;
+    GtkStyle* style;
+
+    ensure_tree_header_cell_widget();
+    gtk_widget_set_direction(gTreeHeaderSortArrowWidget, direction);
+
+    /* hard code these values */
+    arrow_rect.width = 11;
+    arrow_rect.height = 11;
+    arrow_rect.x = rect->x + (rect->width - arrow_rect.width) / 2;
+    arrow_rect.y = rect->y + (rect->height - arrow_rect.height) / 2;
+
+    style = gTreeHeaderSortArrowWidget->style;
+    TSOffsetStyleGCs(style, arrow_rect.x, arrow_rect.y);
+
+    gtk_paint_arrow(style, drawable, state_type, shadow_type, cliprect,
+                    gTreeHeaderSortArrowWidget, "arrow",  arrow_type, TRUE,
+                    arrow_rect.x, arrow_rect.y,
+                    arrow_rect.width, arrow_rect.height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_treeview_expander_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                                GdkRectangle* cliprect, GtkWidgetState* state,
+                                GtkExpanderStyle expander_state,
+                                GtkTextDirection direction)
+{
+    GtkStyle *style;
+    GtkStateType state_type;
+
+    ensure_tree_view_widget();
+    gtk_widget_set_direction(gTreeViewWidget, direction);
+
+    style = gTreeViewWidget->style;
+
+    /* Because the frame we get is of the entire treeview, we can't get the precise
+     * event state of one expander, thus rendering hover and active feedback useless. */
+    state_type = state->disabled ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_paint_expander(style, drawable, state_type, cliprect, gTreeViewWidget, "treeview",
+                       rect->x + rect->width / 2, rect->y + rect->height / 2, expander_state);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_combo_box_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                        GdkRectangle* cliprect, GtkWidgetState* state,
+                        gboolean ishtml, GtkTextDirection direction)
+{
+    GdkRectangle arrow_rect, real_arrow_rect;
+    gint arrow_size, separator_width;
+    gboolean wide_separators;
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type = state->active ? GTK_SHADOW_IN : GTK_SHADOW_OUT;
+    GtkStyle* style;
+    GtkRequisition arrow_req;
+
+    ensure_combo_box_widgets();
+
+    /* Also sets the direction on gComboBoxButtonWidget, which is then
+     * inherited by the separator and arrow */
+    moz_gtk_button_paint(drawable, rect, cliprect, state, GTK_RELIEF_NORMAL,
+                         gComboBoxButtonWidget, direction);
+
+    calculate_button_inner_rect(gComboBoxButtonWidget,
+                                rect, &arrow_rect, direction, ishtml);
+    /* Now arrow_rect contains the inner rect ; we want to correct the width
+     * to what the arrow needs (see gtk_combo_box_size_allocate) */
+    gtk_widget_size_request(gComboBoxArrowWidget, &arrow_req);
+    if (direction == GTK_TEXT_DIR_LTR)
+        arrow_rect.x += arrow_rect.width - arrow_req.width;
+    arrow_rect.width = arrow_req.width;
+
+    calculate_arrow_rect(gComboBoxArrowWidget,
+                         &arrow_rect, &real_arrow_rect, direction);
+
+    style = gComboBoxArrowWidget->style;
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    gtk_widget_size_allocate(gComboBoxWidget, rect);
+
+    gtk_paint_arrow(style, drawable, state_type, shadow_type, cliprect,
+                    gComboBoxArrowWidget, "arrow",  GTK_ARROW_DOWN, TRUE,
+                    real_arrow_rect.x, real_arrow_rect.y,
+                    real_arrow_rect.width, real_arrow_rect.height);
+
+
+    /* If there is no separator in the theme, there's nothing left to do. */
+    if (!gComboBoxSeparatorWidget)
+        return MOZ_GTK_SUCCESS;
+
+    style = gComboBoxSeparatorWidget->style;
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    gtk_widget_style_get(gComboBoxSeparatorWidget,
+                         "wide-separators", &wide_separators,
+                         "separator-width", &separator_width,
+                         NULL);
+
+    if (wide_separators) {
+        if (direction == GTK_TEXT_DIR_LTR)
+            arrow_rect.x -= separator_width;
+        else
+            arrow_rect.x += arrow_rect.width;
+
+        gtk_paint_box(style, drawable,
+                      GTK_STATE_NORMAL, GTK_SHADOW_ETCHED_OUT,
+                      cliprect, gComboBoxSeparatorWidget, "vseparator",
+                      arrow_rect.x, arrow_rect.y,
+                      separator_width, arrow_rect.height);
+    } else {
+        if (direction == GTK_TEXT_DIR_LTR)
+            arrow_rect.x -= XTHICKNESS(style);
+        else
+            arrow_rect.x += arrow_rect.width;
+
+        gtk_paint_vline(style, drawable, GTK_STATE_NORMAL, cliprect,
+                        gComboBoxSeparatorWidget, "vseparator",
+                        arrow_rect.y, arrow_rect.y + arrow_rect.height,
+                        arrow_rect.x);
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_arrow_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                    GdkRectangle* cliprect, GtkWidgetState* state,
+                    GtkArrowType arrow_type, GtkTextDirection direction)
+{
+    GtkStyle* style;
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type = state->active ? GTK_SHADOW_IN : GTK_SHADOW_OUT;
+    GdkRectangle arrow_rect;
+
+    ensure_button_arrow_widget();
+    style = gButtonArrowWidget->style;
+    gtk_widget_set_direction(gButtonArrowWidget, direction);
+
+    calculate_arrow_rect(gButtonArrowWidget, rect, &arrow_rect,
+                         direction);
+
+    if (direction == GTK_TEXT_DIR_RTL) {
+        if (arrow_type == GTK_ARROW_LEFT)
+            arrow_type = GTK_ARROW_RIGHT;
+        else if (arrow_type == GTK_ARROW_RIGHT)
+            arrow_type = GTK_ARROW_LEFT;
+    }
+
+    TSOffsetStyleGCs(style, arrow_rect.x, arrow_rect.y);
+    gtk_paint_arrow(style, drawable, state_type, shadow_type, cliprect,
+                    gButtonArrowWidget, "arrow",  arrow_type, TRUE,
+                    arrow_rect.x, arrow_rect.y, arrow_rect.width, arrow_rect.height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_combo_box_entry_button_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                                     GdkRectangle* cliprect,
+                                     GtkWidgetState* state,
+                                     gboolean input_focus,
+                                     GtkTextDirection direction)
+{
+    gint x_displacement, y_displacement;
+    GdkRectangle arrow_rect, real_arrow_rect;
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type = state->active ? GTK_SHADOW_IN : GTK_SHADOW_OUT;
+    GtkStyle* style;
+
+    ensure_combo_box_entry_widgets();
+
+    if (input_focus) {
+        /* Some themes draw a complementary focus ring for the dropdown button
+         * when the dropdown entry has focus */
+        GTK_WIDGET_SET_FLAGS(gComboBoxEntryTextareaWidget, GTK_HAS_FOCUS);
+    }
+
+    moz_gtk_button_paint(drawable, rect, cliprect, state, GTK_RELIEF_NORMAL,
+                         gComboBoxEntryButtonWidget, direction);
+
+    if (input_focus)
+        GTK_WIDGET_UNSET_FLAGS(gComboBoxEntryTextareaWidget, GTK_HAS_FOCUS);
+
+    calculate_button_inner_rect(gComboBoxEntryButtonWidget,
+                                rect, &arrow_rect, direction, FALSE);
+    if (state_type == GTK_STATE_ACTIVE) {
+        gtk_widget_style_get(gComboBoxEntryButtonWidget,
+                             "child-displacement-x", &x_displacement,
+                             "child-displacement-y", &y_displacement,
+                             NULL);
+        arrow_rect.x += x_displacement;
+        arrow_rect.y += y_displacement;
+    }
+
+    calculate_arrow_rect(gComboBoxEntryArrowWidget,
+                         &arrow_rect, &real_arrow_rect, direction);
+
+    style = gComboBoxEntryArrowWidget->style;
+    TSOffsetStyleGCs(style, real_arrow_rect.x, real_arrow_rect.y);
+
+    gtk_paint_arrow(style, drawable, state_type, shadow_type, cliprect,
+                    gComboBoxEntryArrowWidget, "arrow",  GTK_ARROW_DOWN, TRUE,
+                    real_arrow_rect.x, real_arrow_rect.y,
+                    real_arrow_rect.width, real_arrow_rect.height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_container_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                        GdkRectangle* cliprect, GtkWidgetState* state, 
+                        gboolean isradio, GtkTextDirection direction)
+{
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkStyle* style;
+    GtkWidget *widget;
+    gboolean interior_focus;
+    gint focus_width, focus_pad;
+
+    if (isradio) {
+        ensure_radiobutton_widget();
+        widget = gRadiobuttonWidget;
+    } else {
+        ensure_checkbox_widget();
+        widget = gCheckboxWidget;
+    }
+    gtk_widget_set_direction(widget, direction);
+
+    style = widget->style;
+    moz_gtk_widget_get_focus(widget, &interior_focus, &focus_width,
+                             &focus_pad);
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    /* The detail argument for the gtk_paint_* calls below are "checkbutton"
+       even for radio buttons, to match what gtk does. */
+
+    /* this is for drawing a prelight box */
+    if (state_type == GTK_STATE_PRELIGHT || state_type == GTK_STATE_ACTIVE) {
+        gtk_paint_flat_box(style, drawable, GTK_STATE_PRELIGHT,
+                           GTK_SHADOW_ETCHED_OUT, cliprect, widget,
+                           "checkbutton",
+                           rect->x, rect->y, rect->width, rect->height);
+    }
+
+    if (state_type != GTK_STATE_NORMAL && state_type != GTK_STATE_PRELIGHT)
+        state_type = GTK_STATE_NORMAL;
+
+    if (state->focused && !interior_focus) {
+        gtk_paint_focus(style, drawable, state_type, cliprect, widget,
+                        "checkbutton",
+                        rect->x, rect->y, rect->width, rect->height);
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_toggle_label_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                           GdkRectangle* cliprect, GtkWidgetState* state, 
+                           gboolean isradio, GtkTextDirection direction)
+{
+    GtkStateType state_type;
+    GtkStyle *style;
+    GtkWidget *widget;
+    gboolean interior_focus;
+
+    if (!state->focused)
+        return MOZ_GTK_SUCCESS;
+
+    if (isradio) {
+        ensure_radiobutton_widget();
+        widget = gRadiobuttonWidget;
+    } else {
+        ensure_checkbox_widget();
+        widget = gCheckboxWidget;
+    }
+    gtk_widget_set_direction(widget, direction);
+
+    gtk_widget_style_get(widget, "interior-focus", &interior_focus, NULL);
+    if (!interior_focus)
+        return MOZ_GTK_SUCCESS;
+
+    state_type = ConvertGtkState(state);
+
+    style = widget->style;
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    /* Always "checkbutton" to match gtkcheckbutton.c */
+    gtk_paint_focus(style, drawable, state_type, cliprect, widget,
+                    "checkbutton",
+                    rect->x, rect->y, rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_toolbar_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                      GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    GtkStyle* style;
+    GtkShadowType shadow_type;
+
+    ensure_toolbar_widget();
+    gtk_widget_set_direction(gToolbarWidget, direction);
+
+    style = gToolbarWidget->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    gtk_style_apply_default_background(style, drawable, TRUE,
+                                       GTK_STATE_NORMAL,
+                                       cliprect, rect->x, rect->y,
+                                       rect->width, rect->height);
+
+    gtk_widget_style_get(gToolbarWidget, "shadow-type", &shadow_type, NULL);
+
+    gtk_paint_box (style, drawable, GTK_STATE_NORMAL, shadow_type,
+                   cliprect, gToolbarWidget, "toolbar",
+                   rect->x, rect->y, rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_toolbar_separator_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                                GdkRectangle* cliprect,
+                                GtkTextDirection direction)
+{
+    GtkStyle* style;
+    gint     separator_width;
+    gint     paint_width;
+    gboolean wide_separators;
+    
+    /* Defined as constants in GTK+ 2.10.14 */
+    const double start_fraction = 0.2;
+    const double end_fraction = 0.8;
+
+    ensure_toolbar_separator_widget();
+    gtk_widget_set_direction(gToolbarSeparatorWidget, direction);
+
+    style = gToolbarSeparatorWidget->style;
+
+    gtk_widget_style_get(gToolbarWidget,
+                         "wide-separators", &wide_separators,
+                         "separator-width", &separator_width,
+                         NULL);
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    if (wide_separators) {
+        if (separator_width > rect->width)
+            separator_width = rect->width;
+
+        gtk_paint_box(style, drawable,
+                      GTK_STATE_NORMAL, GTK_SHADOW_ETCHED_OUT,
+                      cliprect, gToolbarWidget, "vseparator",
+                      rect->x + (rect->width - separator_width) / 2,
+                      rect->y + rect->height * start_fraction,
+                      separator_width,
+                      rect->height * (end_fraction - start_fraction));
+                       
+    } else {
+        paint_width = style->xthickness;
+        
+        if (paint_width > rect->width)
+            paint_width = rect->width;
+    
+        gtk_paint_vline(style, drawable,
+                        GTK_STATE_NORMAL, cliprect, gToolbarSeparatorWidget,
+                        "toolbar",
+                        rect->y + rect->height * start_fraction,
+                        rect->y + rect->height * end_fraction,
+                        rect->x + (rect->width - paint_width) / 2);
+    }
+    
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_tooltip_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                      GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    GtkStyle* style;
+
+    ensure_tooltip_widget();
+    gtk_widget_set_direction(gTooltipWidget, direction);
+
+    style = gtk_rc_get_style_by_paths(gtk_settings_get_default(),
+                                      "gtk-tooltips", "GtkWindow",
+                                      GTK_TYPE_WINDOW);
+
+    style = gtk_style_attach(style, gTooltipWidget->window);
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_paint_flat_box(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
+                       cliprect, gTooltipWidget, "tooltip",
+                       rect->x, rect->y, rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_resizer_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                      GdkRectangle* cliprect, GtkWidgetState* state,
+                      GtkTextDirection direction)
+{
+    GtkStyle* style;
+    GtkStateType state_type = ConvertGtkState(state);
+
+    ensure_frame_widget();
+    gtk_widget_set_direction(gStatusbarWidget, direction);
+
+    style = gStatusbarWidget->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    gtk_paint_resize_grip(style, drawable, state_type, cliprect, gStatusbarWidget,
+                          "statusbar", (direction == GTK_TEXT_DIR_LTR) ?
+                          GDK_WINDOW_EDGE_SOUTH_EAST :
+                          GDK_WINDOW_EDGE_SOUTH_WEST,
+                          rect->x, rect->y, rect->width, rect->height);
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_frame_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                    GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    GtkStyle* style;
+    GtkShadowType shadow_type;
+
+    ensure_frame_widget();
+    gtk_widget_set_direction(gFrameWidget, direction);
+
+    style = gFrameWidget->style;
+
+    gtk_widget_style_get(gStatusbarWidget, "shadow-type", &shadow_type, NULL);
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_paint_shadow(style, drawable, GTK_STATE_NORMAL, shadow_type,
+                     cliprect, gFrameWidget, "frame", rect->x, rect->y,
+                     rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_progressbar_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                          GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    GtkStyle* style;
+
+    ensure_progress_widget();
+    gtk_widget_set_direction(gProgressWidget, direction);
+
+    style = gProgressWidget->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_paint_box(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_IN,
+                  cliprect, gProgressWidget, "trough", rect->x, rect->y,
+                  rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_progress_chunk_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                             GdkRectangle* cliprect, GtkTextDirection direction,
+                             WidgetNodeType widget)
+{
+    GtkStyle* style;
+
+    ensure_progress_widget();
+    gtk_widget_set_direction(gProgressWidget, direction);
+
+    style = gProgressWidget->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    if (widget == MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE ||
+        widget == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE) {
+      /**
+       * The bar's size and the bar speed are set depending of the progress'
+       * size. These could also be constant for all progress bars easily.
+       */
+      gboolean vertical = (widget == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE);
+
+      /* The size of the dimension we are going to use for the animation. */
+      const gint progressSize = vertical ? rect->height : rect->width;
+
+      /* The bar is using a fifth of the element size, based on GtkProgressBar
+       * activity-blocks property. */
+      const gint barSize = MAX(1, progressSize / 5);
+
+      /* Represents the travel that has to be done for a complete cycle. */
+      const gint travel = 2 * (progressSize - barSize);
+
+      /* period equals to travel / pixelsPerMillisecond
+       * where pixelsPerMillisecond equals progressSize / 1000.0.
+       * This is equivalent to 1600. */
+      static const guint period = 1600;
+      const gint t = PR_IntervalToMilliseconds(PR_IntervalNow()) % period;
+      const gint dx = travel * t / period;
+
+      if (vertical) {
+        rect->y += (dx < travel / 2) ? dx : travel - dx;
+        rect->height = barSize;
+      } else {
+        rect->x += (dx < travel / 2) ? dx : travel - dx;
+        rect->width = barSize;
+      }
+    }
+
+    gtk_paint_box(style, drawable, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT,
+                  cliprect, gProgressWidget, "bar", rect->x, rect->y,
+                  rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_tab_thickness(WidgetNodeType aNodeType)
+{
+    ensure_tab_widget();
+    if (YTHICKNESS(gTabWidget->style) < 2)
+        return 2; /* some themes don't set ythickness correctly */
+
+    return YTHICKNESS(gTabWidget->style);
+}
+
+static gint
+moz_gtk_tab_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                  GdkRectangle* cliprect, GtkWidgetState* state,
+                  GtkTabFlags flags, GtkTextDirection direction,
+                  WidgetNodeType widget)
+{
+    /* When the tab isn't selected, we just draw a notebook extension.
+     * When it is selected, we overwrite the adjacent border of the tabpanel
+     * touching the tab with a pierced border (called "the gap") to make the
+     * tab appear physically attached to the tabpanel; see details below. */
+
+    GtkStyle* style;
+    GdkRectangle focusRect;
+    gboolean isBottomTab = (widget == MOZ_GTK_TAB_BOTTOM);
+
+    ensure_tab_widget();
+    gtk_widget_set_direction(gTabWidget, direction);
+
+    style = gTabWidget->style;
+    focusRect = *rect;
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    if ((flags & MOZ_GTK_TAB_SELECTED) == 0) {
+        /* Only draw the tab */
+        gtk_paint_extension(style, drawable, GTK_STATE_ACTIVE, GTK_SHADOW_OUT,
+                            cliprect, gTabWidget, "tab",
+                            rect->x, rect->y, rect->width, rect->height,
+                            isBottomTab ? GTK_POS_TOP : GTK_POS_BOTTOM );
+    } else {
+        /* Draw the tab and the gap
+         * We want the gap to be positioned exactly on the tabpanel top
+         * border; since tabbox.css may set a negative margin so that the tab
+         * frame rect already overlaps the tabpanel frame rect, we need to take
+         * that into account when drawing. To that effect, nsNativeThemeGTK
+         * passes us this negative margin (bmargin in the graphic below) in the
+         * lowest bits of |flags|.  We use it to set gap_voffset, the distance
+         * between the top of the gap and the bottom of the tab (resp. the
+         * bottom of the gap and the top of the tab when we draw a bottom tab),
+         * while ensuring that the gap always touches the border of the tab,
+         * i.e. 0 <= gap_voffset <= gap_height, to avoid surprinsing results
+         * with big negative or positive margins.
+         * Here is a graphical explanation in the case of top tabs:
+         *             ___________________________
+         *            /                           \
+         *           |            T A B            |
+         * ----------|. . . . . . . . . . . . . . .|----- top of tabpanel
+         *           :    ^       bmargin          :  ^
+         *           :    | (-negative margin,     :  |
+         *  bottom   :    v  passed in flags)      :  |       gap_height
+         *    of  -> :.............................:  |    (the size of the
+         * the tab   .       part of the gap       .  |  tabpanel top border)
+         *           .      outside of the tab     .  v
+         * ----------------------------------------------
+         *
+         * To draw the gap, we use gtk_paint_box_gap(), see comment in
+         * moz_gtk_tabpanels_paint(). This box_gap is made 3 * gap_height tall,
+         * which should suffice to ensure that the only visible border is the
+         * pierced one.  If the tab is in the middle, we make the box_gap begin
+         * a bit to the left of the tab and end a bit to the right, adjusting
+         * the gap position so it still is under the tab, because we want the
+         * rendering of a gap in the middle of a tabpanel.  This is the role of
+         * the gints gap_{l,r}_offset. On the contrary, if the tab is the
+         * first, we align the start border of the box_gap with the start
+         * border of the tab (left if LTR, right if RTL), by setting the
+         * appropriate offset to 0.*/
+        gint gap_loffset, gap_roffset, gap_voffset, gap_height;
+
+        /* Get height needed by the gap */
+        gap_height = moz_gtk_get_tab_thickness(widget);
+
+        /* Extract gap_voffset from the first bits of flags */
+        gap_voffset = flags & MOZ_GTK_TAB_MARGIN_MASK;
+        if (gap_voffset > gap_height)
+            gap_voffset = gap_height;
+
+        /* Set gap_{l,r}_offset to appropriate values */
+        gap_loffset = gap_roffset = 20; /* should be enough */
+        if (flags & MOZ_GTK_TAB_FIRST) {
+            if (direction == GTK_TEXT_DIR_RTL)
+                gap_roffset = 0;
+            else
+                gap_loffset = 0;
+        }
+
+        if (isBottomTab) {
+            /* Draw the tab */
+            focusRect.y += gap_voffset;
+            focusRect.height -= gap_voffset;
+            gtk_paint_extension(style, drawable, GTK_STATE_NORMAL,
+                                GTK_SHADOW_OUT, cliprect, gTabWidget, "tab",
+                                rect->x, rect->y + gap_voffset, rect->width,
+                                rect->height - gap_voffset, GTK_POS_TOP);
+
+            /* Draw the gap; erase with background color before painting in
+             * case theme does not */
+            gtk_style_apply_default_background(style, drawable, TRUE,
+                                               GTK_STATE_NORMAL, cliprect,
+                                               rect->x,
+                                               rect->y + gap_voffset
+                                                       - gap_height,
+                                               rect->width, gap_height);
+            gtk_paint_box_gap(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
+                              cliprect, gTabWidget, "notebook",
+                              rect->x - gap_loffset,
+                              rect->y + gap_voffset - 3 * gap_height,
+                              rect->width + gap_loffset + gap_roffset,
+                              3 * gap_height, GTK_POS_BOTTOM,
+                              gap_loffset, rect->width);
+        } else {
+            /* Draw the tab */
+            focusRect.height -= gap_voffset;
+            gtk_paint_extension(style, drawable, GTK_STATE_NORMAL,
+                                GTK_SHADOW_OUT, cliprect, gTabWidget, "tab",
+                                rect->x, rect->y, rect->width,
+                                rect->height - gap_voffset, GTK_POS_BOTTOM);
+
+            /* Draw the gap; erase with background color before painting in
+             * case theme does not */
+            gtk_style_apply_default_background(style, drawable, TRUE,
+                                               GTK_STATE_NORMAL, cliprect,
+                                               rect->x,
+                                               rect->y + rect->height
+                                                       - gap_voffset,
+                                               rect->width, gap_height);
+            gtk_paint_box_gap(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
+                              cliprect, gTabWidget, "notebook",
+                              rect->x - gap_loffset,
+                              rect->y + rect->height - gap_voffset,
+                              rect->width + gap_loffset + gap_roffset,
+                              3 * gap_height, GTK_POS_TOP,
+                              gap_loffset, rect->width);
+        }
+
+    }
+
+    if (state->focused) {
+      /* Paint the focus ring */
+      focusRect.x += XTHICKNESS(style);
+      focusRect.width -= XTHICKNESS(style) * 2;
+      focusRect.y += YTHICKNESS(style);
+      focusRect.height -= YTHICKNESS(style) * 2;
+
+      gtk_paint_focus(style, drawable,
+                      /* Believe it or not, NORMAL means a selected tab and
+                         ACTIVE means an unselected tab. */
+                      (flags & MOZ_GTK_TAB_SELECTED) ? GTK_STATE_NORMAL
+                                                     : GTK_STATE_ACTIVE,
+                      cliprect, gTabWidget, "tab",
+                      focusRect.x, focusRect.y, focusRect.width, focusRect.height);
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_tabpanels_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                        GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    /* We have three problems here:
+     * - Most engines draw gtk_paint_box differently to gtk_paint_box_gap, the
+     *   former implies there are no tabs, eg. Clearlooks.
+     * - Wanting a gap of width 0 doesn't actually guarantee a zero-width gap, eg.
+     *   Clearlooks.
+     * - Our old approach of a negative X position could cause rendering errors
+     *   on the box's corner, eg. themes using the Pixbuf engine.
+     */
+    GtkStyle* style;
+    GdkRectangle halfClipRect;
+
+    ensure_tab_widget();
+    gtk_widget_set_direction(gTabWidget, direction);
+
+    style = gTabWidget->style;
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    /* Our approach is as follows:
+     * - Draw the box in two passes. Pass in a clip rect to draw the left half of the
+     *   box, with the gap specified to the right outside the clip rect so that it is
+     *   not drawn.
+     * - The right half is drawn with the gap to the left outside the modified clip rect.
+     */
+    if (!gdk_rectangle_intersect(rect, cliprect, &halfClipRect))
+      return MOZ_GTK_SUCCESS;
+
+    halfClipRect.width = (halfClipRect.width / 2) + 1;
+    gtk_paint_box_gap(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
+                      &halfClipRect, gTabWidget, "notebook", rect->x, rect->y,
+                      rect->width, rect->height,
+                      GTK_POS_TOP, halfClipRect.width + 1, 0);
+
+    halfClipRect.x += halfClipRect.width;
+    gtk_paint_box_gap(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_OUT,
+                      &halfClipRect, gTabWidget, "notebook", rect->x, rect->y,
+                      rect->width, rect->height,
+                      GTK_POS_TOP, -10, 0);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_tab_scroll_arrow_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                               GdkRectangle* cliprect, GtkWidgetState* state,
+                               GtkArrowType arrow_type,
+                               GtkTextDirection direction)
+{
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkShadowType shadow_type = state->active ? GTK_SHADOW_IN : GTK_SHADOW_OUT;
+    GtkStyle* style;
+    gint arrow_size = MIN(rect->width, rect->height);
+    gint x = rect->x + (rect->width - arrow_size) / 2;
+    gint y = rect->y + (rect->height - arrow_size) / 2;
+
+    ensure_tab_widget();
+
+    style = gTabWidget->style;
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    if (direction == GTK_TEXT_DIR_RTL) {
+        arrow_type = (arrow_type == GTK_ARROW_LEFT) ?
+                         GTK_ARROW_RIGHT : GTK_ARROW_LEFT;
+    }
+
+    gtk_paint_arrow(style, drawable, state_type, shadow_type, NULL,
+                    gTabWidget, "notebook", arrow_type, TRUE,
+                    x, y, arrow_size, arrow_size);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_menu_bar_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                       GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    GtkStyle* style;
+    GtkShadowType shadow_type;
+    ensure_menu_bar_widget();
+    gtk_widget_set_direction(gMenuBarWidget, direction);
+
+    gtk_widget_style_get(gMenuBarWidget, "shadow-type", &shadow_type, NULL);
+
+    style = gMenuBarWidget->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_style_apply_default_background(style, drawable, TRUE, GTK_STATE_NORMAL,
+                                       cliprect, rect->x, rect->y,
+                                       rect->width, rect->height);
+
+    gtk_paint_box(style, drawable, GTK_STATE_NORMAL, shadow_type,
+                  cliprect, gMenuBarWidget, "menubar", rect->x, rect->y,
+                  rect->width, rect->height);
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_menu_popup_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                         GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    GtkStyle* style;
+    ensure_menu_popup_widget();
+    gtk_widget_set_direction(gMenuPopupWidget, direction);
+
+    style = gMenuPopupWidget->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_style_apply_default_background(style, drawable, TRUE, GTK_STATE_NORMAL,
+                                       cliprect, rect->x, rect->y,
+                                       rect->width, rect->height);
+    gtk_paint_box(style, drawable, GTK_STATE_NORMAL, GTK_SHADOW_OUT, 
+                  cliprect, gMenuPopupWidget, "menu",
+                  rect->x, rect->y, rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_menu_separator_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                             GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    GtkStyle* style;
+    gboolean wide_separators;
+    gint separator_height;
+    guint horizontal_padding;
+    gint paint_height;
+
+    ensure_menu_separator_widget();
+    gtk_widget_set_direction(gMenuSeparatorWidget, direction);
+
+    style = gMenuSeparatorWidget->style;
+
+    gtk_widget_style_get(gMenuSeparatorWidget,
+                         "wide-separators",    &wide_separators,
+                         "separator-height",   &separator_height,
+                         "horizontal-padding", &horizontal_padding,
+                         NULL);
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+
+    if (wide_separators) {
+        if (separator_height > rect->height)
+            separator_height = rect->height;
+
+        gtk_paint_box(style, drawable,
+                      GTK_STATE_NORMAL, GTK_SHADOW_ETCHED_OUT,
+                      cliprect, gMenuSeparatorWidget, "hseparator",
+                      rect->x + horizontal_padding + style->xthickness,
+                      rect->y + (rect->height - separator_height - style->ythickness) / 2,
+                      rect->width - 2 * (horizontal_padding + style->xthickness),
+                      separator_height);
+    } else {
+        paint_height = style->ythickness;
+        if (paint_height > rect->height)
+            paint_height = rect->height;
+
+        gtk_paint_hline(style, drawable,
+                        GTK_STATE_NORMAL, cliprect, gMenuSeparatorWidget,
+                        "menuitem",
+                        rect->x + horizontal_padding + style->xthickness,
+                        rect->x + rect->width - horizontal_padding - style->xthickness - 1,
+                        rect->y + (rect->height - style->ythickness) / 2);
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_menu_item_paint(WidgetNodeType widget, GdkDrawable* drawable,
+                        GdkRectangle* rect, GdkRectangle* cliprect,
+                        GtkWidgetState* state, GtkTextDirection direction)
+{
+    GtkStyle* style;
+    GtkShadowType shadow_type;
+    GtkWidget* item_widget;
+
+    if (state->inHover && !state->disabled) {
+        if (widget == MOZ_GTK_MENUBARITEM) {
+            ensure_menu_bar_item_widget();
+            item_widget = gMenuBarItemWidget;
+        } else {
+            ensure_menu_item_widget();
+            item_widget = gMenuItemWidget;
+        }
+        gtk_widget_set_direction(item_widget, direction);
+        
+        style = item_widget->style;
+        TSOffsetStyleGCs(style, rect->x, rect->y);
+
+        gtk_widget_style_get(item_widget, "selected-shadow-type",
+                             &shadow_type, NULL);
+
+        gtk_paint_box(style, drawable, GTK_STATE_PRELIGHT, shadow_type,
+                      cliprect, item_widget, "menuitem", rect->x, rect->y,
+                      rect->width, rect->height);
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_menu_arrow_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                         GdkRectangle* cliprect, GtkWidgetState* state,
+                         GtkTextDirection direction)
+{
+    GtkStyle* style;
+    GtkStateType state_type = ConvertGtkState(state);
+
+    ensure_menu_item_widget();
+    gtk_widget_set_direction(gMenuItemWidget, direction);
+
+    style = gMenuItemWidget->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_paint_arrow(style, drawable, state_type,
+                    (state_type == GTK_STATE_PRELIGHT) ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
+                    cliprect, gMenuItemWidget, "menuitem",
+                    (direction == GTK_TEXT_DIR_LTR) ? GTK_ARROW_RIGHT : GTK_ARROW_LEFT,
+                    TRUE, rect->x, rect->y, rect->width, rect->height);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_check_menu_item_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                              GdkRectangle* cliprect, GtkWidgetState* state,
+                              gboolean checked, gboolean isradio,
+                              GtkTextDirection direction)
+{
+    GtkStateType state_type = ConvertGtkState(state);
+    GtkStyle* style;
+    GtkShadowType shadow_type = (checked)?GTK_SHADOW_IN:GTK_SHADOW_OUT;
+    gint offset;
+    gint indicator_size, horizontal_padding;
+    gint x, y;
+
+    moz_gtk_menu_item_paint(MOZ_GTK_MENUITEM, drawable, rect, cliprect, state,
+                            direction);
+
+    ensure_check_menu_item_widget();
+    gtk_widget_set_direction(gCheckMenuItemWidget, direction);
+
+    gtk_widget_style_get (gCheckMenuItemWidget,
+                          "indicator-size", &indicator_size,
+                          "horizontal-padding", &horizontal_padding,
+                          NULL);
+
+    if (checked || GTK_CHECK_MENU_ITEM(gCheckMenuItemWidget)->always_show_toggle) {
+      style = gCheckMenuItemWidget->style;
+
+      offset = GTK_CONTAINER(gCheckMenuItemWidget)->border_width +
+             gCheckMenuItemWidget->style->xthickness + 2;
+
+      x = (direction == GTK_TEXT_DIR_RTL) ?
+            rect->width - indicator_size - offset - horizontal_padding: rect->x + offset + horizontal_padding;
+      y = rect->y + (rect->height - indicator_size) / 2;
+
+      TSOffsetStyleGCs(style, x, y);
+      gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gCheckMenuItemWidget),
+                                     checked);
+
+      if (isradio) {
+        gtk_paint_option(style, drawable, state_type, shadow_type, cliprect,
+                         gCheckMenuItemWidget, "option",
+                         x, y, indicator_size, indicator_size);
+      } else {
+        gtk_paint_check(style, drawable, state_type, shadow_type, cliprect,
+                        gCheckMenuItemWidget, "check",
+                        x, y, indicator_size, indicator_size);
+      }
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_window_paint(GdkDrawable* drawable, GdkRectangle* rect,
+                     GdkRectangle* cliprect, GtkTextDirection direction)
+{
+    GtkStyle* style;
+
+    ensure_window_widget();
+    gtk_widget_set_direction(gProtoWindow, direction);
+
+    style = gProtoWindow->style;
+
+    TSOffsetStyleGCs(style, rect->x, rect->y);
+    gtk_style_apply_default_background(style, drawable, TRUE,
+                                       GTK_STATE_NORMAL,
+                                       cliprect, rect->x, rect->y,
+                                       rect->width, rect->height);
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_widget_border(WidgetNodeType widget, gint* left, gint* top,
+                          gint* right, gint* bottom, GtkTextDirection direction,
+                          gboolean inhtml)
+{
+    GtkWidget* w;
+
+    switch (widget) {
+    case MOZ_GTK_BUTTON:
+    case MOZ_GTK_TOOLBAR_BUTTON:
+        {
+            GtkBorder inner_border;
+            gboolean interior_focus;
+            gint focus_width, focus_pad;
+
+            ensure_button_widget();
+            *left = *top = *right = *bottom = GTK_CONTAINER(gButtonWidget)->border_width;
+
+            /* Don't add this padding in HTML, otherwise the buttons will
+               become too big and stuff the layout. */
+            if (!inhtml) {
+                moz_gtk_widget_get_focus(gButtonWidget, &interior_focus, &focus_width, &focus_pad);
+                moz_gtk_button_get_inner_border(gButtonWidget, &inner_border);
+                *left += focus_width + focus_pad + inner_border.left;
+                *right += focus_width + focus_pad + inner_border.right;
+                *top += focus_width + focus_pad + inner_border.top;
+                *bottom += focus_width + focus_pad + inner_border.bottom;
+            }
+
+            *left += gButtonWidget->style->xthickness;
+            *right += gButtonWidget->style->xthickness;
+            *top += gButtonWidget->style->ythickness;
+            *bottom += gButtonWidget->style->ythickness;
+            return MOZ_GTK_SUCCESS;
+        }
+    case MOZ_GTK_ENTRY:
+        ensure_entry_widget();
+        w = gEntryWidget;
+        break;
+    case MOZ_GTK_TREEVIEW:
+        ensure_tree_view_widget();
+        w = gTreeViewWidget;
+        break;
+    case MOZ_GTK_TREE_HEADER_CELL:
+        {
+            /* A Tree Header in GTK is just a different styled button 
+             * It must be placed in a TreeView for getting the correct style
+             * assigned.
+             * That is why the following code is the same as for MOZ_GTK_BUTTON.  
+             * */
+
+            GtkBorder inner_border;
+            gboolean interior_focus;
+            gint focus_width, focus_pad;
+
+            ensure_tree_header_cell_widget();
+            *left = *top = *right = *bottom = GTK_CONTAINER(gTreeHeaderCellWidget)->border_width;
+
+            moz_gtk_widget_get_focus(gTreeHeaderCellWidget, &interior_focus, &focus_width, &focus_pad);
+            moz_gtk_button_get_inner_border(gTreeHeaderCellWidget, &inner_border);
+            *left += focus_width + focus_pad + inner_border.left;
+            *right += focus_width + focus_pad + inner_border.right;
+            *top += focus_width + focus_pad + inner_border.top;
+            *bottom += focus_width + focus_pad + inner_border.bottom;
+            
+            *left += gTreeHeaderCellWidget->style->xthickness;
+            *right += gTreeHeaderCellWidget->style->xthickness;
+            *top += gTreeHeaderCellWidget->style->ythickness;
+            *bottom += gTreeHeaderCellWidget->style->ythickness;
+            return MOZ_GTK_SUCCESS;
+        }
+    case MOZ_GTK_TREE_HEADER_SORTARROW:
+        ensure_tree_header_cell_widget();
+        w = gTreeHeaderSortArrowWidget;
+        break;
+    case MOZ_GTK_DROPDOWN_ENTRY:
+        ensure_combo_box_entry_widgets();
+        w = gComboBoxEntryTextareaWidget;
+        break;
+    case MOZ_GTK_DROPDOWN_ARROW:
+        ensure_combo_box_entry_widgets();
+        w = gComboBoxEntryButtonWidget;
+        break;
+    case MOZ_GTK_DROPDOWN:
+        {
+            /* We need to account for the arrow on the dropdown, so text
+             * doesn't come too close to the arrow, or in some cases spill
+             * into the arrow. */
+            gboolean ignored_interior_focus, wide_separators;
+            gint focus_width, focus_pad, separator_width;
+            GtkRequisition arrow_req;
+
+            ensure_combo_box_widgets();
+
+            *left = GTK_CONTAINER(gComboBoxButtonWidget)->border_width;
+
+            if (!inhtml) {
+                moz_gtk_widget_get_focus(gComboBoxButtonWidget,
+                                         &ignored_interior_focus,
+                                         &focus_width, &focus_pad);
+                *left += focus_width + focus_pad;
+            }
+
+            *top = *left + gComboBoxButtonWidget->style->ythickness;
+            *left += gComboBoxButtonWidget->style->xthickness;
+
+            *right = *left; *bottom = *top;
+
+            /* If there is no separator, don't try to count its width. */
+            separator_width = 0;
+            if (gComboBoxSeparatorWidget) {
+                gtk_widget_style_get(gComboBoxSeparatorWidget,
+                                     "wide-separators", &wide_separators,
+                                     "separator-width", &separator_width,
+                                     NULL);
+
+                if (!wide_separators)
+                    separator_width =
+                        XTHICKNESS(gComboBoxSeparatorWidget->style);
+            }
+
+            gtk_widget_size_request(gComboBoxArrowWidget, &arrow_req);
+
+            if (direction == GTK_TEXT_DIR_RTL)
+                *left += separator_width + arrow_req.width;
+            else
+                *right += separator_width + arrow_req.width;
+
+            return MOZ_GTK_SUCCESS;
+        }
+    case MOZ_GTK_TABPANELS:
+        ensure_tab_widget();
+        w = gTabWidget;
+        break;
+    case MOZ_GTK_PROGRESSBAR:
+        ensure_progress_widget();
+        w = gProgressWidget;
+        break;
+    case MOZ_GTK_SPINBUTTON_ENTRY:
+    case MOZ_GTK_SPINBUTTON_UP:
+    case MOZ_GTK_SPINBUTTON_DOWN:
+        ensure_spin_widget();
+        w = gSpinWidget;
+        break;
+    case MOZ_GTK_SCALE_HORIZONTAL:
+        ensure_scale_widget();
+        w = gHScaleWidget;
+        break;
+    case MOZ_GTK_SCALE_VERTICAL:
+        ensure_scale_widget();
+        w = gVScaleWidget;
+        break;
+    case MOZ_GTK_FRAME:
+        ensure_frame_widget();
+        w = gFrameWidget;
+        break;
+    case MOZ_GTK_CHECKBUTTON_LABEL:
+    case MOZ_GTK_RADIOBUTTON_LABEL:
+        {
+            gboolean interior_focus;
+            gint focus_width, focus_pad;
+
+            /* If the focus is interior, then the label has a border of
+               (focus_width + focus_pad). */
+            if (widget == MOZ_GTK_CHECKBUTTON_LABEL) {
+                ensure_checkbox_widget();
+                moz_gtk_widget_get_focus(gCheckboxWidget, &interior_focus,
+                                           &focus_width, &focus_pad);
+            }
+            else {
+                ensure_radiobutton_widget();
+                moz_gtk_widget_get_focus(gRadiobuttonWidget, &interior_focus,
+                                        &focus_width, &focus_pad);
+            }
+
+            if (interior_focus)
+                *left = *top = *right = *bottom = (focus_width + focus_pad);
+            else
+                *left = *top = *right = *bottom = 0;
+
+            return MOZ_GTK_SUCCESS;
+        }
+
+    case MOZ_GTK_CHECKBUTTON_CONTAINER:
+    case MOZ_GTK_RADIOBUTTON_CONTAINER:
+        {
+            gboolean interior_focus;
+            gint focus_width, focus_pad;
+
+            /* If the focus is _not_ interior, then the container has a border
+               of (focus_width + focus_pad). */
+            if (widget == MOZ_GTK_CHECKBUTTON_CONTAINER) {
+                ensure_checkbox_widget();
+                moz_gtk_widget_get_focus(gCheckboxWidget, &interior_focus,
+                                           &focus_width, &focus_pad);
+                w = gCheckboxWidget;
+            } else {
+                ensure_radiobutton_widget();
+                moz_gtk_widget_get_focus(gRadiobuttonWidget, &interior_focus,
+                                        &focus_width, &focus_pad);
+                w = gRadiobuttonWidget;
+            }
+
+            *left = *top = *right = *bottom = GTK_CONTAINER(w)->border_width;
+
+            if (!interior_focus) {
+                *left += (focus_width + focus_pad);
+                *right += (focus_width + focus_pad);
+                *top += (focus_width + focus_pad);
+                *bottom += (focus_width + focus_pad);
+            }
+
+            return MOZ_GTK_SUCCESS;
+        }
+    case MOZ_GTK_MENUPOPUP:
+        ensure_menu_popup_widget();
+        w = gMenuPopupWidget;
+        break;
+    case MOZ_GTK_MENUBARITEM:
+        // Bug 1274143 for MOZ_GTK_MENUBARITEM.
+        // Fall through to MOZ_GTK_MENUITEM for now.
+    case MOZ_GTK_MENUITEM:
+        ensure_menu_item_widget();
+        ensure_menu_bar_item_widget();
+        w = gMenuItemWidget;
+        break;
+    case MOZ_GTK_CHECKMENUITEM:
+    case MOZ_GTK_RADIOMENUITEM:
+        ensure_check_menu_item_widget();
+        w = gCheckMenuItemWidget;
+        break;
+    case MOZ_GTK_TAB_TOP:
+    case MOZ_GTK_TAB_BOTTOM:
+        ensure_tab_widget();
+        w = gTabWidget;
+        break;
+    case MOZ_GTK_TOOLTIP:
+        // In GTK 2 the spacing between box is set to 4.
+        *left = *top = *right = *bottom = 4;
+        return MOZ_GTK_SUCCESS;
+    /* These widgets have no borders, since they are not containers. */
+    case MOZ_GTK_SPLITTER_HORIZONTAL:
+    case MOZ_GTK_SPLITTER_VERTICAL:
+    case MOZ_GTK_CHECKBUTTON:
+    case MOZ_GTK_RADIOBUTTON:
+    case MOZ_GTK_SCROLLBAR_BUTTON:
+    case MOZ_GTK_SCROLLBAR_HORIZONTAL:
+    case MOZ_GTK_SCROLLBAR_TROUGH_HORIZONTAL:
+    case MOZ_GTK_SCROLLBAR_VERTICAL:
+    case MOZ_GTK_SCROLLBAR_TROUGH_VERTICAL:
+    case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL:
+    case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL:
+    case MOZ_GTK_SCALE_THUMB_HORIZONTAL:
+    case MOZ_GTK_SCALE_THUMB_VERTICAL:
+    case MOZ_GTK_GRIPPER:
+    case MOZ_GTK_PROGRESS_CHUNK:
+    case MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE:
+    case MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE:
+    case MOZ_GTK_TREEVIEW_EXPANDER:
+    case MOZ_GTK_TOOLBAR_SEPARATOR:
+    case MOZ_GTK_MENUSEPARATOR:
+    /* These widgets have no borders.*/
+    case MOZ_GTK_SPINBUTTON:
+    case MOZ_GTK_WINDOW:
+    case MOZ_GTK_RESIZER:
+    case MOZ_GTK_MENUARROW:
+    case MOZ_GTK_TOOLBARBUTTON_ARROW:
+    case MOZ_GTK_TOOLBAR:
+    case MOZ_GTK_MENUBAR:
+    case MOZ_GTK_TAB_SCROLLARROW:
+        *left = *top = *right = *bottom = 0;
+        return MOZ_GTK_SUCCESS;
+    default:
+        g_warning("Unsupported widget type: %d", widget);
+        return MOZ_GTK_UNKNOWN_WIDGET;
+    }
+
+    *right = *left = XTHICKNESS(w->style);
+    *bottom = *top = YTHICKNESS(w->style);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_tab_border(gint* left, gint* top, gint* right, gint* bottom, 
+                       GtkTextDirection direction, GtkTabFlags flags,
+                       WidgetNodeType widget)
+{
+    moz_gtk_get_widget_border(widget, left, top,
+                              right, bottom, direction,
+                              FALSE);
+
+    // Top tabs have no bottom border, bottom tabs have no top border
+    if (widget == MOZ_GTK_TAB_BOTTOM) {
+      *top = 0;
+    } else {
+      *bottom = 0;
+    }
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_combo_box_entry_button_size(gint* width, gint* height)
+{
+    /*
+     * We get the requisition of the drop down button, which includes
+     * all padding, border and focus line widths the button uses,
+     * as well as the minimum arrow size and its padding
+     * */
+    GtkRequisition requisition;
+    ensure_combo_box_entry_widgets();
+
+    gtk_widget_size_request(gComboBoxEntryButtonWidget, &requisition);
+    *width = requisition.width;
+    *height = requisition.height;
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_tab_scroll_arrow_size(gint* width, gint* height)
+{
+    gint arrow_size;
+
+    ensure_tab_widget();
+    gtk_widget_style_get(gTabWidget,
+                         "scroll-arrow-hlength", &arrow_size,
+                         NULL);
+
+    *height = *width = arrow_size;
+
+    return MOZ_GTK_SUCCESS;
+}
+
+void
+moz_gtk_get_arrow_size(WidgetNodeType widgetType, gint* width, gint* height)
+{
+    GtkWidget* widget;
+    switch (widgetType) {
+        case MOZ_GTK_DROPDOWN:
+            ensure_combo_box_widgets();
+            widget = gComboBoxArrowWidget;
+            break;
+        default:
+            ensure_button_arrow_widget();
+            widget = gButtonArrowWidget;
+            break;
+    }
+
+    GtkRequisition requisition;
+    gtk_widget_size_request(widget, &requisition);
+    *width = requisition.width;
+    *height = requisition.height;
+}
+
+gint
+moz_gtk_get_toolbar_separator_width(gint* size)
+{
+    gboolean wide_separators;
+    gint separator_width;
+    GtkStyle* style;
+
+    ensure_toolbar_widget();
+
+    style = gToolbarWidget->style;
+
+    gtk_widget_style_get(gToolbarWidget,
+                         "space-size", size,
+                         "wide-separators",  &wide_separators,
+                         "separator-width", &separator_width,
+                         NULL);
+
+    /* Just in case... */
+    *size = MAX(*size, (wide_separators ? separator_width : style->xthickness));
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_expander_size(gint* size)
+{
+    ensure_expander_widget();
+    gtk_widget_style_get(gExpanderWidget,
+                         "expander-size", size,
+                         NULL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_treeview_expander_size(gint* size)
+{
+    ensure_tree_view_widget();
+    gtk_widget_style_get(gTreeViewWidget,
+                         "expander-size", size,
+                         NULL);
+
+    return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_menu_separator_height(gint *size)
+{
+    gboolean wide_separators;
+    gint     separator_height;
+
+    ensure_menu_separator_widget();
+
+    gtk_widget_style_get(gMenuSeparatorWidget,
+                          "wide-separators",  &wide_separators,
+                          "separator-height", &separator_height,
+                          NULL);
+
+    if (wide_separators)
+        *size = separator_height + gMenuSeparatorWidget->style->ythickness;
+    else
+        *size = gMenuSeparatorWidget->style->ythickness * 2;
+
+    return MOZ_GTK_SUCCESS;
+}
+
+void
+moz_gtk_get_scale_metrics(GtkOrientation orient, gint* scale_width,
+                          gint* scale_height)
+{
+  moz_gtk_get_scalethumb_metrics(orient, scale_width, scale_height);
+}
+
+
+gint
+moz_gtk_get_scalethumb_metrics(GtkOrientation orient, gint* thumb_length, gint* thumb_height)
+{
+  GtkWidget* widget;
+
+  ensure_scale_widget();
+  widget = ((orient == GTK_ORIENTATION_HORIZONTAL) ? gHScaleWidget : gVScaleWidget);
+
+  gtk_widget_style_get (widget,
+                        "slider_length", thumb_length,
+                        "slider_width", thumb_height,
+                        NULL);
+
+  return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_scrollbar_metrics(MozGtkScrollbarMetrics *metrics)
+{
+    ensure_scrollbar_widget();
+
+    gtk_widget_style_get (gHorizScrollbarWidget,
+                          "slider_width", &metrics->slider_width,
+                          "trough_border", &metrics->trough_border,
+                          "stepper_size", &metrics->stepper_size,
+                          "stepper_spacing", &metrics->stepper_spacing,
+                          NULL);
+
+    metrics->min_slider_size =
+        GTK_RANGE(gHorizScrollbarWidget)->min_slider_size;
+
+    return MOZ_GTK_SUCCESS;
+}
+void
+moz_gtk_get_widget_min_size(WidgetNodeType aGtkWidgetType, int* width, int* height) {
+  MOZ_ASSERT_UNREACHABLE("get_widget_min_size not available for GTK2");
+}
+
+gint
+moz_gtk_widget_paint(WidgetNodeType widget, GdkDrawable* drawable,
+                     GdkRectangle* rect, GdkRectangle* cliprect,
+                     GtkWidgetState* state, gint flags,
+                     GtkTextDirection direction)
+{
+    switch (widget) {
+    case MOZ_GTK_BUTTON:
+    case MOZ_GTK_TOOLBAR_BUTTON:
+        if (state->depressed) {
+            ensure_toggle_button_widget();
+            return moz_gtk_button_paint(drawable, rect, cliprect, state,
+                                        (GtkReliefStyle) flags,
+                                        gToggleButtonWidget, direction);
+        }
+        ensure_button_widget();
+        return moz_gtk_button_paint(drawable, rect, cliprect, state,
+                                    (GtkReliefStyle) flags, gButtonWidget,
+                                    direction);
+        break;
+    case MOZ_GTK_CHECKBUTTON:
+    case MOZ_GTK_RADIOBUTTON:
+        return moz_gtk_toggle_paint(drawable, rect, cliprect, state,
+                                    !!(flags & MOZ_GTK_WIDGET_CHECKED),
+                                    !!(flags & MOZ_GTK_WIDGET_INCONSISTENT),
+                                    (widget == MOZ_GTK_RADIOBUTTON),
+                                    direction);
+        break;
+    case MOZ_GTK_SCROLLBAR_BUTTON:
+        return moz_gtk_scrollbar_button_paint(drawable, rect, cliprect, state,
+                                              (GtkScrollbarButtonFlags) flags,
+                                              direction);
+        break;
+    case MOZ_GTK_SCROLLBAR_HORIZONTAL:
+    case MOZ_GTK_SCROLLBAR_VERTICAL:
+        return moz_gtk_scrollbar_trough_paint(widget, drawable, rect,
+                                              cliprect, state, direction);
+        break;
+    case MOZ_GTK_SCROLLBAR_TROUGH_HORIZONTAL:
+    case MOZ_GTK_SCROLLBAR_TROUGH_VERTICAL:
+        return MOZ_GTK_SUCCESS;
+        break;
+    case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL:
+    case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL:
+        return moz_gtk_scrollbar_thumb_paint(widget, drawable, rect,
+                                             cliprect, state, direction);
+        break;
+    case MOZ_GTK_SCALE_HORIZONTAL:
+    case MOZ_GTK_SCALE_VERTICAL:
+        return moz_gtk_scale_paint(drawable, rect, cliprect, state,
+                                   (GtkOrientation) flags, direction);
+        break;
+    case MOZ_GTK_SCALE_THUMB_HORIZONTAL:
+    case MOZ_GTK_SCALE_THUMB_VERTICAL:
+        return moz_gtk_scale_thumb_paint(drawable, rect, cliprect, state,
+                                         (GtkOrientation) flags, direction);
+        break;
+    case MOZ_GTK_SPINBUTTON:
+        return moz_gtk_spin_paint(drawable, rect, direction);
+        break;
+    case MOZ_GTK_SPINBUTTON_UP:
+    case MOZ_GTK_SPINBUTTON_DOWN:
+        return moz_gtk_spin_updown_paint(drawable, rect,
+                                         (widget == MOZ_GTK_SPINBUTTON_DOWN),
+                                         state, direction);
+        break;
+    case MOZ_GTK_SPINBUTTON_ENTRY:
+        ensure_spin_widget();
+        return moz_gtk_entry_paint(drawable, rect, cliprect, state,
+                                   gSpinWidget, direction);
+        break;
+    case MOZ_GTK_GRIPPER:
+        return moz_gtk_gripper_paint(drawable, rect, cliprect, state,
+                                     direction);
+        break;
+    case MOZ_GTK_TREEVIEW:
+        return moz_gtk_treeview_paint(drawable, rect, cliprect, state,
+                                      direction);
+        break;
+    case MOZ_GTK_TREE_HEADER_CELL:
+        return moz_gtk_tree_header_cell_paint(drawable, rect, cliprect, state,
+                                              flags, direction);
+        break;
+    case MOZ_GTK_TREE_HEADER_SORTARROW:
+        return moz_gtk_tree_header_sort_arrow_paint(drawable, rect, cliprect,
+                                                    state,
+                                                    (GtkArrowType) flags,
+                                                    direction);
+        break;
+    case MOZ_GTK_TREEVIEW_EXPANDER:
+        return moz_gtk_treeview_expander_paint(drawable, rect, cliprect, state,
+                                               (GtkExpanderStyle) flags, direction);
+        break;
+    case MOZ_GTK_ENTRY:
+        ensure_entry_widget();
+        return moz_gtk_entry_paint(drawable, rect, cliprect, state,
+                                   gEntryWidget, direction);
+        break;
+    case MOZ_GTK_DROPDOWN:
+        return moz_gtk_combo_box_paint(drawable, rect, cliprect, state,
+                                       (gboolean) flags, direction);
+        break;
+    case MOZ_GTK_DROPDOWN_ARROW:
+        return moz_gtk_combo_box_entry_button_paint(drawable, rect, cliprect,
+                                                    state, flags, direction);
+        break;
+    case MOZ_GTK_DROPDOWN_ENTRY:
+        ensure_combo_box_entry_widgets();
+        return moz_gtk_entry_paint(drawable, rect, cliprect, state,
+                                   gComboBoxEntryTextareaWidget, direction);
+        break;
+    case MOZ_GTK_CHECKBUTTON_CONTAINER:
+    case MOZ_GTK_RADIOBUTTON_CONTAINER:
+        return moz_gtk_container_paint(drawable, rect, cliprect, state,
+                                       (widget == MOZ_GTK_RADIOBUTTON_CONTAINER),
+                                       direction);
+        break;
+    case MOZ_GTK_CHECKBUTTON_LABEL:
+    case MOZ_GTK_RADIOBUTTON_LABEL:
+        return moz_gtk_toggle_label_paint(drawable, rect, cliprect, state,
+                                          (widget == MOZ_GTK_RADIOBUTTON_LABEL),
+                                          direction);
+        break;
+    case MOZ_GTK_TOOLBAR:
+        return moz_gtk_toolbar_paint(drawable, rect, cliprect, direction);
+        break;
+    case MOZ_GTK_TOOLBAR_SEPARATOR:
+        return moz_gtk_toolbar_separator_paint(drawable, rect, cliprect,
+                                               direction);
+        break;
+    case MOZ_GTK_TOOLTIP:
+        return moz_gtk_tooltip_paint(drawable, rect, cliprect, direction);
+        break;
+    case MOZ_GTK_FRAME:
+        return moz_gtk_frame_paint(drawable, rect, cliprect, direction);
+        break;
+    case MOZ_GTK_RESIZER:
+        return moz_gtk_resizer_paint(drawable, rect, cliprect, state,
+                                     direction);
+        break;
+    case MOZ_GTK_PROGRESSBAR:
+        return moz_gtk_progressbar_paint(drawable, rect, cliprect, direction);
+        break;
+    case MOZ_GTK_PROGRESS_CHUNK:
+    case MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE:
+    case MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE:
+        return moz_gtk_progress_chunk_paint(drawable, rect, cliprect,
+                                            direction, widget);
+        break;
+    case MOZ_GTK_TAB_TOP:
+    case MOZ_GTK_TAB_BOTTOM:
+        return moz_gtk_tab_paint(drawable, rect, cliprect, state,
+                                 (GtkTabFlags) flags, direction, widget);
+        break;
+    case MOZ_GTK_TABPANELS:
+        return moz_gtk_tabpanels_paint(drawable, rect, cliprect, direction);
+        break;
+    case MOZ_GTK_TAB_SCROLLARROW:
+        return moz_gtk_tab_scroll_arrow_paint(drawable, rect, cliprect, state,
+                                              (GtkArrowType) flags, direction);
+        break;
+    case MOZ_GTK_MENUBAR:
+        return moz_gtk_menu_bar_paint(drawable, rect, cliprect, direction);
+        break;
+    case MOZ_GTK_MENUPOPUP:
+        return moz_gtk_menu_popup_paint(drawable, rect, cliprect, direction);
+        break;
+    case MOZ_GTK_MENUSEPARATOR:
+        return moz_gtk_menu_separator_paint(drawable, rect, cliprect,
+                                            direction);
+        break;
+    case MOZ_GTK_MENUBARITEM:
+    case MOZ_GTK_MENUITEM:
+        return moz_gtk_menu_item_paint(widget, drawable, rect, cliprect, state,
+                                       direction);
+        break;
+    case MOZ_GTK_MENUARROW:
+        return moz_gtk_menu_arrow_paint(drawable, rect, cliprect, state,
+                                        direction);
+        break;
+    case MOZ_GTK_TOOLBARBUTTON_ARROW:
+        return moz_gtk_arrow_paint(drawable, rect, cliprect, state,
+                                   (GtkArrowType) flags, direction);
+        break;
+    case MOZ_GTK_CHECKMENUITEM:
+    case MOZ_GTK_RADIOMENUITEM:
+        return moz_gtk_check_menu_item_paint(drawable, rect, cliprect, state,
+                                             (gboolean) flags,
+                                             (widget == MOZ_GTK_RADIOMENUITEM),
+                                             direction);
+        break;
+    case MOZ_GTK_SPLITTER_HORIZONTAL:
+        return moz_gtk_vpaned_paint(drawable, rect, cliprect, state);
+        break;
+    case MOZ_GTK_SPLITTER_VERTICAL:
+        return moz_gtk_hpaned_paint(drawable, rect, cliprect, state);
+        break;
+    case MOZ_GTK_WINDOW:
+        return moz_gtk_window_paint(drawable, rect, cliprect, direction);
+        break;
+    default:
+        g_warning("Unknown widget type: %d", widget);
+    }
+
+    return MOZ_GTK_UNKNOWN_WIDGET;
+}
+
+GtkWidget* moz_gtk_get_scrollbar_widget(void)
+{
+    MOZ_ASSERT(is_initialized, "Forgot to call moz_gtk_init()");
+    ensure_scrollbar_widget();
+    return gHorizScrollbarWidget;
+}
+
+gboolean moz_gtk_has_scrollbar_buttons(void)
+{
+    gboolean backward, forward, secondary_backward, secondary_forward;
+    MOZ_ASSERT(is_initialized, "Forgot to call moz_gtk_init()");
+    ensure_scrollbar_widget();
+    gtk_widget_style_get (gHorizScrollbarWidget,
+                          "has-backward-stepper", &backward,
+                          "has-forward-stepper", &forward,
+                          "has-secondary-backward-stepper", &secondary_backward,
+                          "has-secondary-forward-stepper", &secondary_forward,
+                          NULL);
+    return backward | forward | secondary_forward | secondary_forward;
+}
+
+gint
+moz_gtk_shutdown()
+{
+    GtkWidgetClass *entry_class;
+
+    if (gTooltipWidget)
+        gtk_widget_destroy(gTooltipWidget);
+    /* This will destroy all of our widgets */
+    if (gProtoWindow)
+        gtk_widget_destroy(gProtoWindow);
+
+    gProtoWindow = NULL;
+    gProtoLayout = NULL;
+    gButtonWidget = NULL;
+    gToggleButtonWidget = NULL;
+    gButtonArrowWidget = NULL;
+    gCheckboxWidget = NULL;
+    gRadiobuttonWidget = NULL;
+    gHorizScrollbarWidget = NULL;
+    gVertScrollbarWidget = NULL;
+    gSpinWidget = NULL;
+    gHScaleWidget = NULL;
+    gVScaleWidget = NULL;
+    gEntryWidget = NULL;
+    gComboBoxWidget = NULL;
+    gComboBoxButtonWidget = NULL;
+    gComboBoxSeparatorWidget = NULL;
+    gComboBoxArrowWidget = NULL;
+    gComboBoxEntryWidget = NULL;
+    gComboBoxEntryButtonWidget = NULL;
+    gComboBoxEntryArrowWidget = NULL;
+    gComboBoxEntryTextareaWidget = NULL;
+    gHandleBoxWidget = NULL;
+    gToolbarWidget = NULL;
+    gStatusbarWidget = NULL;
+    gFrameWidget = NULL;
+    gProgressWidget = NULL;
+    gTabWidget = NULL;
+    gTooltipWidget = NULL;
+    gMenuBarWidget = NULL;
+    gMenuBarItemWidget = NULL;
+    gMenuPopupWidget = NULL;
+    gMenuItemWidget = NULL;
+    gImageMenuItemWidget = NULL;
+    gCheckMenuItemWidget = NULL;
+    gTreeViewWidget = NULL;
+    gMiddleTreeViewColumn = NULL;
+    gTreeHeaderCellWidget = NULL;
+    gTreeHeaderSortArrowWidget = NULL;
+    gExpanderWidget = NULL;
+    gToolbarSeparatorWidget = NULL;
+    gMenuSeparatorWidget = NULL;
+    gHPanedWidget = NULL;
+    gVPanedWidget = NULL;
+    gScrolledWindowWidget = NULL;
+
+    entry_class = g_type_class_peek(GTK_TYPE_ENTRY);
+    g_type_class_unref(entry_class);
+
+    is_initialized = FALSE;
+
+    return MOZ_GTK_SUCCESS;
+}