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-rw-r--r--WebCore/platform/gtk/gtk3drawing.c1416
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diff --git a/WebCore/platform/gtk/gtk3drawing.c b/WebCore/platform/gtk/gtk3drawing.c
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2002
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * Brian Ryner <bryner@brianryner.com> (Original Author)
+ * Pierre Chanial <p_ch@verizon.net>
+ * Michael Ventnor <m.ventnor@gmail.com>
+ * Alp Toker <alp@nuanti.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ * This file contains painting functions for each of the gtk2 widgets.
+ * Adapted from the gtkdrawing.c, and gtk+2.0 source.
+ */
+
+#ifndef GTK_API_VERSION_2
+
+#include <gdk/gdkprivate.h>
+#include "gtkdrawing.h"
+#include "GtkVersioning.h"
+#include <math.h>
+#include <string.h>
+
+#define XTHICKNESS(style) (style->xthickness)
+#define YTHICKNESS(style) (style->ythickness)
+
+static GtkThemeParts *gParts = NULL;
+static style_prop_t style_prop_func;
+static gboolean have_arrow_scaling;
+static gboolean is_initialized;
+
+void
+moz_gtk_use_theme_parts(GtkThemeParts* parts)
+{
+ gParts = parts;
+}
+
+/* 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 (!gParts->protoWindow) {
+ gParts->protoWindow = gtk_window_new(GTK_WINDOW_POPUP);
+ gtk_widget_realize(gParts->protoWindow);
+ moz_gtk_set_widget_name(gParts->protoWindow);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+setup_widget_prototype(GtkWidget* widget)
+{
+ ensure_window_widget();
+ if (!gParts->protoLayout) {
+ gParts->protoLayout = gtk_fixed_new();
+ gtk_container_add(GTK_CONTAINER(gParts->protoWindow), gParts->protoLayout);
+ }
+
+ gtk_container_add(GTK_CONTAINER(gParts->protoLayout), 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 (!gParts->buttonWidget) {
+ gParts->buttonWidget = gtk_button_new_with_label("M");
+ setup_widget_prototype(gParts->buttonWidget);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_toggle_button_widget()
+{
+ if (!gParts->toggleButtonWidget) {
+ gParts->toggleButtonWidget = gtk_toggle_button_new();
+ setup_widget_prototype(gParts->toggleButtonWidget);
+ /* toggle button must be set active to get the right style on hover. */
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(gParts->toggleButtonWidget), TRUE);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_button_arrow_widget()
+{
+ if (!gParts->buttonArrowWidget) {
+ ensure_toggle_button_widget();
+
+ gParts->buttonArrowWidget = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
+ gtk_container_add(GTK_CONTAINER(gParts->toggleButtonWidget), gParts->buttonArrowWidget);
+ gtk_widget_realize(gParts->buttonArrowWidget);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_checkbox_widget()
+{
+ if (!gParts->checkboxWidget) {
+ gParts->checkboxWidget = gtk_check_button_new_with_label("M");
+ setup_widget_prototype(gParts->checkboxWidget);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_radiobutton_widget()
+{
+ if (!gParts->radiobuttonWidget) {
+ gParts->radiobuttonWidget = gtk_radio_button_new_with_label(NULL, "M");
+ setup_widget_prototype(gParts->radiobuttonWidget);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_scrollbar_widget()
+{
+ if (!gParts->vertScrollbarWidget) {
+ gParts->vertScrollbarWidget = gtk_vscrollbar_new(NULL);
+ setup_widget_prototype(gParts->vertScrollbarWidget);
+ }
+ if (!gParts->horizScrollbarWidget) {
+ gParts->horizScrollbarWidget = gtk_hscrollbar_new(NULL);
+ setup_widget_prototype(gParts->horizScrollbarWidget);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_scale_widget()
+{
+ if (!gParts->hScaleWidget) {
+ gParts->hScaleWidget = gtk_hscale_new(NULL);
+ setup_widget_prototype(gParts->hScaleWidget);
+ }
+ if (!gParts->vScaleWidget) {
+ gParts->vScaleWidget = gtk_vscale_new(NULL);
+ setup_widget_prototype(gParts->vScaleWidget);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_entry_widget()
+{
+ if (!gParts->entryWidget) {
+ gParts->entryWidget = gtk_entry_new();
+ setup_widget_prototype(gParts->entryWidget);
+ }
+ 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 gParts->protoWindow 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)) {
+ gParts->comboBoxButtonWidget = widget;
+ g_object_add_weak_pointer(G_OBJECT(widget),
+ (gpointer) &gParts->comboBoxButtonWidget);
+ 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)) {
+ gParts->comboBoxSeparatorWidget = widget;
+ g_object_add_weak_pointer(G_OBJECT(widget),
+ (gpointer) &gParts->comboBoxSeparatorWidget);
+ } else if (GTK_IS_ARROW(widget)) {
+ gParts->comboBoxArrowWidget = widget;
+ g_object_add_weak_pointer(G_OBJECT(widget),
+ (gpointer) &gParts->comboBoxArrowWidget);
+ } 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 (gParts->comboBoxButtonWidget && gParts->comboBoxArrowWidget)
+ return MOZ_GTK_SUCCESS;
+
+ /* Create a ComboBox if needed */
+ if (!gParts->comboBoxWidget) {
+ gParts->comboBoxWidget = gtk_combo_box_new();
+ setup_widget_prototype(gParts->comboBoxWidget);
+ }
+
+ /* Get its inner Button */
+ gtk_container_forall(GTK_CONTAINER(gParts->comboBoxWidget),
+ moz_gtk_get_combo_box_inner_button,
+ NULL);
+
+ if (gParts->comboBoxButtonWidget) {
+ /* Get the widgets inside the Button */
+ buttonChild = gtk_bin_get_child(GTK_BIN(gParts->comboBoxButtonWidget));
+ 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 */
+ gParts->comboBoxArrowWidget = buttonChild;
+ g_object_add_weak_pointer(G_OBJECT(buttonChild), (gpointer)
+ &gParts->comboBoxArrowWidget);
+ gtk_widget_realize(gParts->comboBoxArrowWidget);
+ g_object_set_data(G_OBJECT(gParts->comboBoxArrowWidget),
+ "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();
+ gParts->comboBoxButtonWidget = gParts->toggleButtonWidget;
+ }
+
+ if (!gParts->comboBoxArrowWidget) {
+ /* Shouldn't be reached with current internal gtk implementation;
+ * we gParts->buttonArrowWidget as last resort fallback to avoid
+ * crashing. */
+ ensure_button_arrow_widget();
+ gParts->comboBoxArrowWidget = gParts->buttonArrowWidget;
+ }
+
+ /* We don't test the validity of gParts->comboBoxSeparatorWidget 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;
+}
+
+static gint
+ensure_progress_widget()
+{
+ if (!gParts->progresWidget) {
+ gParts->progresWidget = gtk_progress_bar_new();
+ setup_widget_prototype(gParts->progresWidget);
+ }
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+ensure_scrolled_window_widget()
+{
+ if (!gParts->scrolledWindowWidget) {
+ gParts->scrolledWindowWidget = gtk_scrolled_window_new(NULL, NULL);
+ setup_widget_prototype(gParts->scrolledWindowWidget);
+ }
+ 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
+moz_gtk_button_paint(cairo_t* cr, GdkRectangle* rect,
+ GtkWidgetState* state, GtkReliefStyle relief,
+ GtkWidget* widget, GtkTextDirection direction)
+{
+ GtkShadowType shadow_type;
+ GtkStyle* style = gtk_widget_get_style(widget);
+ GtkStateType button_state = ConvertGtkState(state);
+ gint x = rect->x, y=rect->y, width=rect->width, height=rect->height;
+ GdkWindow* window = gtk_widget_get_window(widget);
+
+ gboolean interior_focus;
+ gint focus_width, focus_pad;
+
+ moz_gtk_widget_get_focus(widget, &interior_focus, &focus_width, &focus_pad);
+
+ if (window && gdk_window_is_visible(window)) {
+ gdk_window_set_background_pattern(window, NULL);
+ }
+
+ gtk_widget_set_state(widget, button_state);
+ gtk_widget_set_direction(widget, direction);
+ gtk_button_set_relief(GTK_BUTTON(widget), relief);
+
+ 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) {
+ gtk_paint_box(style, cr, button_state, shadow_type,
+ widget, "buttondefault", x, y, width, height);
+ }
+
+ if (relief != GTK_RELIEF_NONE || state->depressed ||
+ (button_state != GTK_STATE_NORMAL &&
+ button_state != GTK_STATE_INSENSITIVE)) {
+ /* 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, cr, button_state, shadow_type,
+ widget, "button", x, y, width, height);
+ }
+
+ if (state->focused) {
+ if (interior_focus) {
+ GtkStyle* style = gtk_widget_get_style(widget);
+ x += style->xthickness + focus_pad;
+ y += style->ythickness + focus_pad;
+ width -= 2 * (style->xthickness + focus_pad);
+ height -= 2 * (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);
+ }
+
+ gtk_paint_focus(style, cr, button_state,
+ widget, "button", x, y, width, height);
+ }
+
+ return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_init()
+{
+ GtkWidgetClass *entry_class;
+
+ 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;
+}
+
+gint
+moz_gtk_checkbox_get_metrics(gint* indicator_size, gint* indicator_spacing)
+{
+ ensure_checkbox_widget();
+
+ gtk_widget_style_get (gParts->checkboxWidget,
+ "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 (gParts->radiobuttonWidget,
+ "indicator_size", indicator_size,
+ "indicator_spacing", indicator_spacing,
+ NULL);
+
+ return MOZ_GTK_SUCCESS;
+}
+
+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_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_toggle_paint(cairo_t* cr, GdkRectangle* rect,
+ 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 = gParts->radiobuttonWidget;
+ } else {
+ moz_gtk_checkbox_get_metrics(&indicator_size, &indicator_spacing);
+ w = gParts->checkboxWidget;
+ }
+
+ // "GetMinimumWidgetSize was ignored"
+ // FIXME: This assert causes a build failure in WebKitGTK+ debug
+ // builds, because it uses 'false' in its definition. We may want
+ // to force this file to be built with g++, by renaming it.
+ // ASSERT(rect->width == indicator_size);
+
+ /*
+ * vertically center in the box, since XUL sometimes ignores our
+ * GetMinimumWidgetSize in the vertical dimension
+ */
+ x = rect->x;
+ 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 = gtk_widget_get_style(w);
+
+ gtk_widget_set_sensitive(w, !state->disabled);
+ gtk_widget_set_direction(w, direction);
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), selected);
+
+ if (isradio) {
+ gtk_paint_option(style, cr, state_type, shadow_type,
+ gParts->radiobuttonWidget, "radiobutton", x, y,
+ width, height);
+ if (state->focused) {
+ gtk_paint_focus(style, cr, GTK_STATE_ACTIVE,
+ gParts->radiobuttonWidget, "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(gParts->checkboxWidget), TRUE);
+ shadow_type = GTK_SHADOW_ETCHED_IN;
+ } else {
+ gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(gParts->checkboxWidget), FALSE);
+ }
+
+ gtk_paint_check(style, cr, state_type, shadow_type,
+ gParts->checkboxWidget, "checkbutton", x, y, width, height);
+ if (state->focused) {
+ gtk_paint_focus(style, cr, GTK_STATE_ACTIVE,
+ gParts->checkboxWidget, "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 = gtk_widget_get_style(button);
+
+ /* 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);
+ gfloat misc_xalign, misc_yalign;
+ gint misc_xpad, misc_ypad;
+
+ if (have_arrow_scaling)
+ gtk_widget_style_get(arrow, "arrow_scaling", &arrow_scaling, NULL);
+
+ gtk_misc_get_padding(misc, &misc_xpad, &misc_ypad);
+ gtk_misc_get_alignment(misc, &misc_xalign, &misc_yalign);
+
+ 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_scrolled_window_paint(cairo_t* cr, GdkRectangle* rect,
+ GtkWidgetState* state)
+{
+ GtkStateType state_type = ConvertGtkState(state);
+ GtkShadowType shadow_type = (state->active) ? GTK_SHADOW_IN : GTK_SHADOW_OUT;
+ GtkStyle* style;
+ GtkAllocation allocation;
+ GtkWidget* widget;
+
+ ensure_scrolled_window_widget();
+ widget = gParts->scrolledWindowWidget;
+
+ gtk_widget_get_allocation(widget, &allocation);
+ allocation.x = rect->x;
+ allocation.y = rect->y;
+ allocation.width = rect->width;
+ allocation.height = rect->height;
+ gtk_widget_set_allocation(widget, &allocation);
+
+ style = gtk_widget_get_style(widget);
+ gtk_paint_box(style, cr, state_type, shadow_type,
+ widget, "scrolled_window", rect->x - 1, rect->y - 1,
+ rect->width + 2, rect->height + 2);
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_scrollbar_button_paint(cairo_t* cr, GdkRectangle* rect,
+ 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;
+ GtkAllocation allocation;
+ 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 = gParts->vertScrollbarWidget;
+ else
+ scrollbar = gParts->horizScrollbarWidget;
+
+ 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. */
+
+ gtk_widget_get_allocation(scrollbar, &allocation);
+ allocation.x = rect->x;
+ allocation.y = rect->y;
+ allocation.width = rect->width;
+ allocation.height = rect->height;
+
+ if (flags & MOZ_GTK_STEPPER_VERTICAL) {
+ allocation.height *= 5;
+ if (flags & MOZ_GTK_STEPPER_DOWN) {
+ arrow_type = GTK_ARROW_DOWN;
+ if (flags & MOZ_GTK_STEPPER_BOTTOM)
+ allocation.y -= 4 * rect->height;
+ else
+ allocation.y -= rect->height;
+
+ } else {
+ arrow_type = GTK_ARROW_UP;
+ if (flags & MOZ_GTK_STEPPER_BOTTOM)
+ allocation.y -= 3 * rect->height;
+ }
+ } else {
+ allocation.width *= 5;
+ if (flags & MOZ_GTK_STEPPER_DOWN) {
+ arrow_type = GTK_ARROW_RIGHT;
+ if (flags & MOZ_GTK_STEPPER_BOTTOM)
+ allocation.x -= 4 * rect->width;
+ else
+ allocation.x -= rect->width;
+ } else {
+ arrow_type = GTK_ARROW_LEFT;
+ if (flags & MOZ_GTK_STEPPER_BOTTOM)
+ allocation.x -= 3 * rect->width;
+ }
+ }
+
+ gtk_widget_set_allocation(scrollbar, &allocation);
+ style = gtk_widget_get_style(scrollbar);
+
+ gtk_paint_box(style, cr, state_type, shadow_type,
+ 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, cr, state_type, shadow_type,
+ 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(GtkThemeWidgetType widget,
+ cairo_t* cr, GdkRectangle* rect,
+ GtkWidgetState* state,
+ GtkTextDirection direction)
+{
+ GtkStyle* style;
+ GtkScrollbar *scrollbar;
+
+ ensure_scrollbar_widget();
+
+ if (widget == MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL)
+ scrollbar = GTK_SCROLLBAR(gParts->horizScrollbarWidget);
+ else
+ scrollbar = GTK_SCROLLBAR(gParts->vertScrollbarWidget);
+
+ gtk_widget_set_direction(GTK_WIDGET(scrollbar), direction);
+
+ style = gtk_widget_get_style(GTK_WIDGET(scrollbar));
+
+ gtk_paint_box(style, cr, GTK_STATE_ACTIVE, GTK_SHADOW_IN,
+ GTK_WIDGET(scrollbar), "trough", rect->x, rect->y,
+ rect->width, rect->height);
+
+ if (state->focused) {
+ gtk_paint_focus(style, cr, GTK_STATE_ACTIVE,
+ GTK_WIDGET(scrollbar), "trough",
+ rect->x, rect->y, rect->width, rect->height);
+ }
+
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_scrollbar_thumb_paint(GtkThemeWidgetType widget,
+ cairo_t* cr, GdkRectangle* rect,
+ 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;
+
+ ensure_scrollbar_widget();
+
+ if (widget == MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL)
+ scrollbar = GTK_SCROLLBAR(gParts->horizScrollbarWidget);
+ else
+ scrollbar = GTK_SCROLLBAR(gParts->vertScrollbarWidget);
+
+ 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) {
+ gtk_adjustment_set_page_size(adj, rect->width);
+ }
+ else {
+ gtk_adjustment_set_page_size(adj, rect->height);
+ }
+
+ gtk_adjustment_configure(adj,
+ state->curpos,
+ 0,
+ state->maxpos,
+ gtk_adjustment_get_step_increment(adj),
+ gtk_adjustment_get_page_increment(adj),
+ gtk_adjustment_get_page_size(adj));
+
+ style = gtk_widget_get_style(GTK_WIDGET(scrollbar));
+
+ gtk_paint_slider(style, cr, state_type, shadow_type,
+ 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_scale_paint(cairo_t* cr, GdkRectangle* rect,
+ 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) ? gParts->hScaleWidget : gParts->vScaleWidget);
+ gtk_widget_set_direction(widget, direction);
+
+ style = gtk_widget_get_style(widget);
+
+ if (flags == GTK_ORIENTATION_HORIZONTAL) {
+ x = XTHICKNESS(style);
+ y++;
+ }
+ else {
+ x++;
+ y = YTHICKNESS(style);
+ }
+
+ gtk_style_apply_default_background(style, cr, gtk_widget_get_window (widget),
+ GTK_STATE_NORMAL,
+ rect->x, rect->y,
+ rect->width, rect->height);
+
+ gtk_paint_box(style, cr, GTK_STATE_ACTIVE, GTK_SHADOW_IN,
+ widget, "trough", rect->x + x, rect->y + y,
+ rect->width - 2*x, rect->height - 2*y);
+
+ if (state->focused)
+ gtk_paint_focus(style, cr, state_type, widget, "trough",
+ rect->x, rect->y, rect->width, rect->height);
+
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_scale_thumb_paint(cairo_t* cr, GdkRectangle* rect,
+ 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) ? gParts->hScaleWidget : gParts->vScaleWidget);
+ gtk_widget_set_direction(widget, direction);
+
+ style = gtk_widget_get_style(widget);
+
+ /* 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;
+ }
+
+ gtk_paint_slider(style, cr, state_type, GTK_SHADOW_OUT,
+ widget, (flags == GTK_ORIENTATION_HORIZONTAL) ? "hscale" : "vscale",
+ x, y, thumb_width, thumb_height, flags);
+
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_entry_paint(cairo_t* cr, GdkRectangle* rect,
+ 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;
+
+ gtk_widget_set_direction(widget, direction);
+
+ style = gtk_widget_get_style(widget);
+
+ gtk_widget_style_get(widget,
+ "interior-focus", &interior_focus,
+ "focus-line-width", &focus_width,
+ "honors-transparent-bg-hint", &theme_honors_transparency,
+ NULL);
+
+ /* gtkentry.c uses two windows, one for the entire widget and one for the
+ * text area inside it. The background of both windows is set to the "base"
+ * color of the new state in gtk_entry_state_changed, but only the inner
+ * textarea window uses gtk_paint_flat_box when exposed */
+
+ /* This gets us a lovely greyish disabledish look */
+ gtk_widget_set_sensitive(widget, !state->disabled);
+
+ /* GTK 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 {
+ cairo_save(cr);
+ gdk_cairo_set_source_color(cr, (const GdkColor*)&style->base[bg_state]);
+ cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT);
+ cairo_fill(cr);
+ cairo_restore(cr);
+ g_object_set_data(G_OBJECT(widget), "transparent-bg-hint", GINT_TO_POINTER(FALSE));
+ }
+
+ /* 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, cr, bg_state, GTK_SHADOW_NONE,
+ 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. */
+ 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;
+ }
+ }
+
+ gtk_paint_shadow(style, cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
+ widget, "entry", x, y, width, height);
+
+ if (state->focused && !state->disabled) {
+ if (!interior_focus) {
+ gtk_paint_focus(style, cr, GTK_STATE_NORMAL,
+ widget, "entry",
+ rect->x, rect->y, rect->width, rect->height);
+ }
+ }
+
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_combo_box_paint(cairo_t* cr, GdkRectangle* rect,
+ 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 gParts->comboBoxButtonWidget, which is then
+ * inherited by the separator and arrow */
+ moz_gtk_button_paint(cr, rect, state, GTK_RELIEF_NORMAL,
+ gParts->comboBoxButtonWidget, direction);
+
+ calculate_button_inner_rect(gParts->comboBoxButtonWidget,
+ 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_get_preferred_size(gParts->comboBoxArrowWidget, &arrow_req, NULL);
+ if (direction == GTK_TEXT_DIR_LTR)
+ arrow_rect.x += arrow_rect.width - arrow_req.width;
+ arrow_rect.width = arrow_req.width;
+
+ calculate_arrow_rect(gParts->comboBoxArrowWidget,
+ &arrow_rect, &real_arrow_rect, direction);
+
+ style = gtk_widget_get_style(gParts->comboBoxArrowWidget);
+
+ gtk_widget_size_allocate(gParts->comboBoxWidget, rect);
+
+ gtk_paint_arrow(style, cr, state_type, shadow_type,
+ gParts->comboBoxArrowWidget, "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 (!gParts->comboBoxSeparatorWidget)
+ return MOZ_GTK_SUCCESS;
+
+ style = gtk_widget_get_style(gParts->comboBoxSeparatorWidget);
+
+ gtk_widget_style_get(gParts->comboBoxSeparatorWidget,
+ "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, cr,
+ GTK_STATE_NORMAL, GTK_SHADOW_ETCHED_OUT,
+ gParts->comboBoxSeparatorWidget, "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, cr, GTK_STATE_NORMAL,
+ gParts->comboBoxSeparatorWidget, "vseparator",
+ arrow_rect.y, arrow_rect.y + arrow_rect.height,
+ arrow_rect.x);
+ }
+
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_progressbar_paint(cairo_t* cr, GdkRectangle* rect,
+ GtkTextDirection direction)
+{
+ GtkStyle* style;
+
+ ensure_progress_widget();
+ gtk_widget_set_direction(gParts->progresWidget, direction);
+
+ style = gtk_widget_get_style(gParts->progresWidget);
+
+ gtk_paint_box(style, cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
+ gParts->progresWidget, "trough", rect->x, rect->y,
+ rect->width, rect->height);
+
+ return MOZ_GTK_SUCCESS;
+}
+
+static gint
+moz_gtk_progress_chunk_paint(cairo_t* cr, GdkRectangle* rect,
+ GtkTextDirection direction)
+{
+ GtkStyle* style;
+
+ ensure_progress_widget();
+ gtk_widget_set_direction(gParts->progresWidget, direction);
+
+ style = gtk_widget_get_style(gParts->progresWidget);
+
+ gtk_paint_box(style, cr, GTK_STATE_PRELIGHT, GTK_SHADOW_OUT,
+ gParts->progresWidget, "bar", rect->x, rect->y,
+ rect->width, rect->height);
+
+ return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_widget_border(GtkThemeWidgetType widget, gint* left, gint* top,
+ gint* right, gint* bottom, GtkTextDirection direction,
+ gboolean inhtml)
+{
+ GtkWidget* w;
+ GtkStyle *style;
+
+ switch (widget) {
+ case MOZ_GTK_BUTTON:
+ {
+ GtkBorder inner_border;
+ gboolean interior_focus;
+ gint focus_width, focus_pad;
+ GtkStyle *style;
+
+ ensure_button_widget();
+ *left = *top = *right = *bottom = gtk_container_get_border_width(GTK_CONTAINER(gParts->buttonWidget));
+
+ /* 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(gParts->buttonWidget, &interior_focus, &focus_width, &focus_pad);
+ moz_gtk_button_get_inner_border(gParts->buttonWidget, &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;
+ }
+
+ style = gtk_widget_get_style(gParts->buttonWidget);
+ *left += style->xthickness;
+ *right += style->xthickness;
+ *top += style->ythickness;
+ *bottom += style->ythickness;
+ return MOZ_GTK_SUCCESS;
+ }
+ case MOZ_GTK_ENTRY:
+ ensure_entry_widget();
+ w = gParts->entryWidget;
+ 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;
+ GtkStyle* style;
+
+ ensure_combo_box_widgets();
+
+ *left = gtk_container_get_border_width(GTK_CONTAINER(gParts->comboBoxButtonWidget));
+
+ if (!inhtml) {
+ moz_gtk_widget_get_focus(gParts->comboBoxButtonWidget,
+ &ignored_interior_focus,
+ &focus_width, &focus_pad);
+ *left += focus_width + focus_pad;
+ }
+
+ style = gtk_widget_get_style(gParts->comboBoxButtonWidget);
+ *top = *left + style->ythickness;
+ *left += style->xthickness;
+
+ *right = *left; *bottom = *top;
+
+ /* If there is no separator, don't try to count its width. */
+ separator_width = 0;
+ if (gParts->comboBoxSeparatorWidget) {
+ gtk_widget_style_get(gParts->comboBoxSeparatorWidget,
+ "wide-separators", &wide_separators,
+ "separator-width", &separator_width,
+ NULL);
+
+ if (!wide_separators)
+ separator_width =
+ XTHICKNESS(style);
+ }
+
+ gtk_widget_get_preferred_size(gParts->comboBoxArrowWidget, &arrow_req, NULL);
+ 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_PROGRESSBAR:
+ ensure_progress_widget();
+ w = gParts->progresWidget;
+ break;
+ case MOZ_GTK_SCALE_HORIZONTAL:
+ ensure_scale_widget();
+ w = gParts->hScaleWidget;
+ break;
+ case MOZ_GTK_SCALE_VERTICAL:
+ ensure_scale_widget();
+ w = gParts->vScaleWidget;
+ break;
+ /* These widgets have no borders, since they are not containers. */
+ case MOZ_GTK_CHECKBUTTON:
+ case MOZ_GTK_RADIOBUTTON:
+ case MOZ_GTK_SCROLLBAR_BUTTON:
+ case MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL:
+ case MOZ_GTK_SCROLLBAR_TRACK_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_PROGRESS_CHUNK:
+ *left = *top = *right = *bottom = 0;
+ return MOZ_GTK_SUCCESS;
+ default:
+ g_warning("Unsupported widget type: %d", widget);
+ return MOZ_GTK_UNKNOWN_WIDGET;
+ }
+
+ style = gtk_widget_get_style(w);
+ *right = *left = XTHICKNESS(style);
+ *bottom = *top = YTHICKNESS(style);
+
+ return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_get_scalethumb_metrics(GtkOrientation orient, gint* thumb_length, gint* thumb_height)
+{
+ GtkWidget* widget;
+
+ ensure_scale_widget();
+ widget = ((orient == GTK_ORIENTATION_HORIZONTAL) ? gParts->hScaleWidget : gParts->vScaleWidget);
+
+ 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 (gParts->horizScrollbarWidget,
+ "slider_width", &metrics->slider_width,
+ "trough_border", &metrics->trough_border,
+ "stepper_size", &metrics->stepper_size,
+ "stepper_spacing", &metrics->stepper_spacing,
+ "trough_under_steppers", &metrics->trough_under_steppers,
+ "has_secondary_forward_stepper", &metrics->has_secondary_forward_stepper,
+ "has_secondary_backward_stepper", &metrics->has_secondary_backward_stepper,
+ NULL);
+
+ metrics->min_slider_size = gtk_range_get_min_slider_size(GTK_RANGE(gParts->horizScrollbarWidget));
+
+ return MOZ_GTK_SUCCESS;
+}
+
+gint
+moz_gtk_widget_paint(GtkThemeWidgetType widget, cairo_t* cr,
+ GdkRectangle* rect, GtkWidgetState* state,
+ gint flags, GtkTextDirection direction)
+{
+ switch (widget) {
+ case MOZ_GTK_BUTTON:
+ if (state->depressed) {
+ ensure_toggle_button_widget();
+ return moz_gtk_button_paint(cr, rect, state,
+ (GtkReliefStyle) flags,
+ gParts->toggleButtonWidget, direction);
+ }
+ ensure_button_widget();
+ return moz_gtk_button_paint(cr, rect, state,
+ (GtkReliefStyle) flags, gParts->buttonWidget,
+ direction);
+ break;
+ case MOZ_GTK_CHECKBUTTON:
+ case MOZ_GTK_RADIOBUTTON:
+ return moz_gtk_toggle_paint(cr, rect, state,
+ !!(flags & MOZ_GTK_WIDGET_CHECKED),
+ !!(flags & MOZ_GTK_WIDGET_INCONSISTENT),
+ (widget == MOZ_GTK_RADIOBUTTON),
+ direction);
+ break;
+ case MOZ_GTK_SCROLLBAR_BUTTON:
+ return moz_gtk_scrollbar_button_paint(cr, rect, state,
+ (GtkScrollbarButtonFlags) flags,
+ direction);
+ break;
+ case MOZ_GTK_SCROLLBAR_TRACK_HORIZONTAL:
+ case MOZ_GTK_SCROLLBAR_TRACK_VERTICAL:
+ return moz_gtk_scrollbar_trough_paint(widget, cr, rect,
+ state, direction);
+ break;
+ case MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL:
+ case MOZ_GTK_SCROLLBAR_THUMB_VERTICAL:
+ return moz_gtk_scrollbar_thumb_paint(widget, cr, rect,
+ state, direction);
+ break;
+ case MOZ_GTK_SCROLLED_WINDOW:
+ return moz_gtk_scrolled_window_paint(cr, rect, state);
+ break;
+ case MOZ_GTK_SCALE_HORIZONTAL:
+ case MOZ_GTK_SCALE_VERTICAL:
+ return moz_gtk_scale_paint(cr, rect, state,
+ (GtkOrientation) flags, direction);
+ break;
+ case MOZ_GTK_SCALE_THUMB_HORIZONTAL:
+ case MOZ_GTK_SCALE_THUMB_VERTICAL:
+ return moz_gtk_scale_thumb_paint(cr, rect, state,
+ (GtkOrientation) flags, direction);
+ break;
+ case MOZ_GTK_ENTRY:
+ ensure_entry_widget();
+ return moz_gtk_entry_paint(cr, rect, state,
+ gParts->entryWidget, direction);
+ break;
+ case MOZ_GTK_DROPDOWN:
+ return moz_gtk_combo_box_paint(cr, rect, state,
+ (gboolean) flags, direction);
+ break;
+ case MOZ_GTK_PROGRESSBAR:
+ return moz_gtk_progressbar_paint(cr, rect, direction);
+ break;
+ case MOZ_GTK_PROGRESS_CHUNK:
+ return moz_gtk_progress_chunk_paint(cr, rect, direction);
+ break;
+ default:
+ g_warning("Unknown widget type: %d", widget);
+ }
+
+ return MOZ_GTK_UNKNOWN_WIDGET;
+}
+
+GtkWidget* moz_gtk_get_scrollbar_widget(void)
+{
+ if (!is_initialized)
+ return NULL;
+ ensure_scrollbar_widget();
+ return gParts->horizScrollbarWidget;
+}
+
+gint
+moz_gtk_shutdown()
+{
+ GtkWidgetClass *entry_class;
+ entry_class = g_type_class_peek(GTK_TYPE_ENTRY);
+ g_type_class_unref(entry_class);
+
+ is_initialized = FALSE;
+
+ return MOZ_GTK_SUCCESS;
+}
+
+void moz_gtk_destroy_theme_parts_widgets(GtkThemeParts* parts)
+{
+ if (!parts)
+ return;
+
+ if (parts->protoWindow) {
+ gtk_widget_destroy(parts->protoWindow);
+ parts->protoWindow = NULL;
+ }
+}
+
+GtkWidget* moz_gtk_get_progress_widget()
+{
+ if (!is_initialized)
+ return NULL;
+ ensure_progress_widget();
+ return gParts->progresWidget;
+}
+
+#endif // GTK_API_VERSION_2