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https://github.com/classilla/tenfourfox.git
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424 lines
13 KiB
C
424 lines
13 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozcontainer.h"
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#include <gtk/gtk.h>
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#include <stdio.h>
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#ifdef ACCESSIBILITY
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#include <atk/atk.h>
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#include "maiRedundantObjectFactory.h"
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#endif
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/* init methods */
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static void moz_container_class_init (MozContainerClass *klass);
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static void moz_container_init (MozContainer *container);
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/* widget class methods */
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static void moz_container_map (GtkWidget *widget);
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static void moz_container_unmap (GtkWidget *widget);
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static void moz_container_realize (GtkWidget *widget);
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static void moz_container_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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/* container class methods */
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static void moz_container_remove (GtkContainer *container,
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GtkWidget *child_widget);
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static void moz_container_forall (GtkContainer *container,
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gboolean include_internals,
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GtkCallback callback,
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gpointer callback_data);
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static void moz_container_add (GtkContainer *container,
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GtkWidget *widget);
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typedef struct _MozContainerChild MozContainerChild;
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struct _MozContainerChild {
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GtkWidget *widget;
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gint x;
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gint y;
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};
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static void moz_container_allocate_child (MozContainer *container,
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MozContainerChild *child);
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static MozContainerChild *
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moz_container_get_child (MozContainer *container, GtkWidget *child);
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/* public methods */
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GType
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moz_container_get_type(void)
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{
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static GType moz_container_type = 0;
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if (!moz_container_type) {
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static GTypeInfo moz_container_info = {
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sizeof(MozContainerClass), /* class_size */
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) moz_container_class_init, /* class_init */
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NULL, /* class_destroy */
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NULL, /* class_data */
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sizeof(MozContainer), /* instance_size */
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0, /* n_preallocs */
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(GInstanceInitFunc) moz_container_init, /* instance_init */
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NULL, /* value_table */
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};
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moz_container_type = g_type_register_static (GTK_TYPE_CONTAINER,
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"MozContainer",
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&moz_container_info, 0);
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#ifdef ACCESSIBILITY
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/* Set a factory to return accessible object with ROLE_REDUNDANT for
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* MozContainer, so that gail won't send focus notification for it */
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atk_registry_set_factory_type(atk_get_default_registry(),
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moz_container_type,
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mai_redundant_object_factory_get_type());
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#endif
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}
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return moz_container_type;
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}
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GtkWidget *
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moz_container_new (void)
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{
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MozContainer *container;
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container = g_object_new (MOZ_CONTAINER_TYPE, NULL);
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return GTK_WIDGET(container);
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}
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void
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moz_container_put (MozContainer *container, GtkWidget *child_widget,
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gint x, gint y)
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{
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MozContainerChild *child;
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child = g_new (MozContainerChild, 1);
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child->widget = child_widget;
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child->x = x;
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child->y = y;
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/* printf("moz_container_put %p %p %d %d\n", (void *)container,
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(void *)child_widget, x, y); */
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container->children = g_list_append (container->children, child);
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/* we assume that the caller of this function will have already set
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the parent GdkWindow because we can have many anonymous children. */
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gtk_widget_set_parent(child_widget, GTK_WIDGET(container));
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}
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void
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moz_container_move (MozContainer *container, GtkWidget *child_widget,
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gint x, gint y, gint width, gint height)
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{
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MozContainerChild *child;
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GtkAllocation new_allocation;
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child = moz_container_get_child (container, child_widget);
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child->x = x;
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child->y = y;
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new_allocation.x = x;
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new_allocation.y = y;
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new_allocation.width = width;
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new_allocation.height = height;
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/* printf("moz_container_move %p %p will allocate to %d %d %d %d\n",
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(void *)container, (void *)child_widget,
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new_allocation.x, new_allocation.y,
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new_allocation.width, new_allocation.height); */
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gtk_widget_size_allocate(child_widget, &new_allocation);
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}
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/* static methods */
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void
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moz_container_class_init (MozContainerClass *klass)
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{
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/*GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass); */
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GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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widget_class->map = moz_container_map;
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widget_class->unmap = moz_container_unmap;
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widget_class->realize = moz_container_realize;
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widget_class->size_allocate = moz_container_size_allocate;
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container_class->remove = moz_container_remove;
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container_class->forall = moz_container_forall;
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container_class->add = moz_container_add;
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}
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void
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moz_container_init (MozContainer *container)
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{
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gtk_widget_set_can_focus(GTK_WIDGET(container), TRUE);
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gtk_container_set_resize_mode(GTK_CONTAINER(container), GTK_RESIZE_IMMEDIATE);
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gtk_widget_set_redraw_on_allocate(GTK_WIDGET(container), FALSE);
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}
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void
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moz_container_map (GtkWidget *widget)
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{
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MozContainer *container;
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GList *tmp_list;
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GtkWidget *tmp_child;
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g_return_if_fail (IS_MOZ_CONTAINER(widget));
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container = MOZ_CONTAINER (widget);
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gtk_widget_set_mapped(widget, TRUE);
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tmp_list = container->children;
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while (tmp_list) {
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tmp_child = ((MozContainerChild *)tmp_list->data)->widget;
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if (gtk_widget_get_visible(tmp_child)) {
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if (!gtk_widget_get_mapped(tmp_child))
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gtk_widget_map(tmp_child);
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}
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tmp_list = tmp_list->next;
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}
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if (gtk_widget_get_has_window (widget)) {
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gdk_window_show (gtk_widget_get_window(widget));
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}
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}
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void
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moz_container_unmap (GtkWidget *widget)
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{
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g_return_if_fail (IS_MOZ_CONTAINER (widget));
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gtk_widget_set_mapped(widget, FALSE);
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if (gtk_widget_get_has_window (widget)) {
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gdk_window_hide (gtk_widget_get_window(widget));
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}
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}
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void
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moz_container_realize (GtkWidget *widget)
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{
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GdkWindow *parent = gtk_widget_get_parent_window (widget);
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GdkWindow *window;
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gtk_widget_set_realized(widget, TRUE);
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if (gtk_widget_get_has_window (widget)) {
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GdkWindowAttr attributes;
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gint attributes_mask = GDK_WA_VISUAL | GDK_WA_X | GDK_WA_Y;
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GtkAllocation allocation;
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gtk_widget_get_allocation (widget, &allocation);
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attributes.event_mask = gtk_widget_get_events (widget);
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attributes.x = allocation.x;
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attributes.y = allocation.y;
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attributes.width = allocation.width;
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attributes.height = allocation.height;
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attributes.wclass = GDK_INPUT_OUTPUT;
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attributes.visual = gtk_widget_get_visual (widget);
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attributes.window_type = GDK_WINDOW_CHILD;
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#if (MOZ_WIDGET_GTK == 2)
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attributes.colormap = gtk_widget_get_colormap (widget);
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attributes_mask |= GDK_WA_COLORMAP;
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#endif
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window = gdk_window_new (parent, &attributes, attributes_mask);
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gdk_window_set_user_data (window, widget);
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#if (MOZ_WIDGET_GTK == 2)
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/* TODO GTK3? */
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/* set the back pixmap to None so that you don't end up with the gtk
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default which is BlackPixel */
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gdk_window_set_back_pixmap (window, NULL, FALSE);
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#endif
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} else {
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window = parent;
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g_object_ref (window);
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}
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gtk_widget_set_window (widget, window);
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#if (MOZ_WIDGET_GTK == 2)
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widget->style = gtk_style_attach (widget->style, widget->window);
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#endif
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}
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void
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moz_container_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation)
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{
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MozContainer *container;
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GList *tmp_list;
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GtkAllocation tmp_allocation;
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GtkRequisition tmp_requisition;
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GtkWidget *tmp_child;
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g_return_if_fail (IS_MOZ_CONTAINER (widget));
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/* printf("moz_container_size_allocate %p %d %d %d %d\n",
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(void *)widget,
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allocation->x,
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allocation->y,
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allocation->width,
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allocation->height); */
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/* short circuit if you can */
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container = MOZ_CONTAINER (widget);
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gtk_widget_get_allocation(widget, &tmp_allocation);
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if (!container->children &&
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tmp_allocation.x == allocation->x &&
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tmp_allocation.y == allocation->y &&
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tmp_allocation.width == allocation->width &&
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tmp_allocation.height == allocation->height) {
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return;
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}
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gtk_widget_set_allocation(widget, allocation);
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tmp_list = container->children;
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while (tmp_list) {
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MozContainerChild *child = tmp_list->data;
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moz_container_allocate_child (container, child);
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tmp_list = tmp_list->next;
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}
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if (gtk_widget_get_has_window (widget) &&
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gtk_widget_get_realized (widget)) {
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gdk_window_move_resize(gtk_widget_get_window(widget),
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allocation->x,
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allocation->y,
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allocation->width,
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allocation->height);
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}
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}
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void
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moz_container_remove (GtkContainer *container, GtkWidget *child_widget)
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{
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MozContainerChild *child;
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MozContainer *moz_container;
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GdkWindow* parent_window;
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g_return_if_fail (IS_MOZ_CONTAINER(container));
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g_return_if_fail (GTK_IS_WIDGET(child_widget));
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moz_container = MOZ_CONTAINER(container);
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child = moz_container_get_child (moz_container, child_widget);
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g_return_if_fail (child);
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/* gtk_widget_unparent will remove the parent window (as well as the
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* parent widget), but, in Mozilla's window hierarchy, the parent window
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* may need to be kept because it may be part of a GdkWindow sub-hierarchy
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* that is being moved to another MozContainer.
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*
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* (In a conventional GtkWidget hierarchy, GdkWindows being reparented
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* would have their own GtkWidget and that widget would be the one being
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* reparented. In Mozilla's hierarchy, the parent_window needs to be
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* retained so that the GdkWindow sub-hierarchy is maintained.)
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*/
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parent_window = gtk_widget_get_parent_window(child_widget);
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if (parent_window)
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g_object_ref(parent_window);
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gtk_widget_unparent(child_widget);
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if (parent_window) {
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/* The child_widget will always still exist because g_signal_emit,
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* which invokes this function, holds a reference.
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*
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* If parent_window is the container's root window then it will not be
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* the parent_window if the child_widget is placed in another
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* container.
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*/
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if (parent_window != gtk_widget_get_window(GTK_WIDGET(container)))
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gtk_widget_set_parent_window(child_widget, parent_window);
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g_object_unref(parent_window);
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}
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moz_container->children = g_list_remove(moz_container->children, child);
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g_free(child);
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}
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void
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moz_container_forall (GtkContainer *container, gboolean include_internals,
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GtkCallback callback, gpointer callback_data)
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{
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MozContainer *moz_container;
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GList *tmp_list;
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g_return_if_fail (IS_MOZ_CONTAINER(container));
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g_return_if_fail (callback != NULL);
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moz_container = MOZ_CONTAINER(container);
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tmp_list = moz_container->children;
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while (tmp_list) {
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MozContainerChild *child;
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child = tmp_list->data;
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tmp_list = tmp_list->next;
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(* callback) (child->widget, callback_data);
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}
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}
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static void
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moz_container_allocate_child (MozContainer *container,
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MozContainerChild *child)
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{
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GtkAllocation allocation;
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GtkRequisition requisition;
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gtk_widget_get_allocation (child->widget, &allocation);
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allocation.x = child->x;
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allocation.y = child->y;
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/* gtk_widget_get_child_requisition (child->widget, &requisition); */
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/* gtk_widget_size_request (child->widget, &requisition); */
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gtk_widget_size_allocate (child->widget, &allocation);
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}
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MozContainerChild *
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moz_container_get_child (MozContainer *container, GtkWidget *child_widget)
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{
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GList *tmp_list;
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tmp_list = container->children;
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while (tmp_list) {
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MozContainerChild *child;
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child = tmp_list->data;
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tmp_list = tmp_list->next;
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if (child->widget == child_widget)
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return child;
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}
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return NULL;
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}
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static void
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moz_container_add(GtkContainer *container, GtkWidget *widget)
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{
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moz_container_put(MOZ_CONTAINER(container), widget, 0, 0);
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}
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