1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef UI_GFX_GTK_PRESERVE_WINDOW_H_ 6#define UI_GFX_GTK_PRESERVE_WINDOW_H_ 7 8#include <atk/atk.h> 9#include <gdk/gdk.h> 10#include <gtk/gtk.h> 11 12#include "ui/gfx/gfx_export.h" 13 14// GtkFixed creates an X window when realized and destroys an X window 15// when unrealized. GtkPreserveWindow allows overrides this 16// behaviour. When preserve is set (via gtk_preserve_window_set_preserve), 17// the X window is only destroyed when the widget is destroyed. 18 19G_BEGIN_DECLS 20 21#define GTK_TYPE_PRESERVE_WINDOW \ 22 (gtk_preserve_window_get_type()) 23#define GTK_PRESERVE_WINDOW(obj) \ 24 (G_TYPE_CHECK_INSTANCE_CAST((obj), GTK_TYPE_PRESERVE_WINDOW, \ 25 GtkPreserveWindow)) 26#define GTK_PRESERVE_WINDOW_CLASS(klass) \ 27 (G_TYPE_CHECK_CLASS_CAST((klass), GTK_TYPE_PRESERVE_WINDOW, \ 28 GtkPreserveWindowClass)) 29#define GTK_IS_PRESERVE_WINDOW(obj) \ 30 (G_TYPE_CHECK_INSTANCE_TYPE((obj), GTK_TYPE_PRESERVE_WINDOW)) 31#define GTK_IS_PRESERVE_WINDOW_CLASS(klass) \ 32 (G_TYPE_CHECK_CLASS_TYPE((klass), GTK_TYPE_PRESERVE_WINDOW)) 33#define GTK_PRESERVE_WINDOW_GET_CLASS(obj) \ 34 (G_TYPE_INSTANCE_GET_CLASS((obj), GTK_TYPE_PRESERVE_WINDOW, \ 35 GtkPreserveWindowClass)) 36 37typedef struct _GtkPreserveWindow GtkPreserveWindow; 38typedef struct _GtkPreserveWindowClass GtkPreserveWindowClass; 39 40struct _GtkPreserveWindow { 41 // Parent class. 42 GtkFixed fixed; 43}; 44 45struct _GtkPreserveWindowClass { 46 GtkFixedClass parent_class; 47}; 48 49GFX_EXPORT GType gtk_preserve_window_get_type() G_GNUC_CONST; 50GFX_EXPORT GtkWidget* gtk_preserve_window_new(); 51 52// Whether or not we should preserve associated windows as the widget 53// is realized or unrealized. 54GFX_EXPORT gboolean gtk_preserve_window_get_preserve(GtkPreserveWindow* widget); 55GFX_EXPORT void gtk_preserve_window_set_preserve(GtkPreserveWindow* widget, 56 gboolean value); 57 58// Whether or not someone else will gdk_window_resize the GdkWindow associated 59// with this widget (needed by the GPU process to synchronize resizing 60// with swapped between front and back buffer). 61GFX_EXPORT void gtk_preserve_window_delegate_resize(GtkPreserveWindow* widget, 62 gboolean delegate); 63 64// Provide a function to return an AtkObject* when calls to get_accessible 65// are made on this widget. The parameter |userdata| will be passed to the 66// factory function. 67GFX_EXPORT void gtk_preserve_window_set_accessible_factory( 68 GtkPreserveWindow* widget, 69 AtkObject* (*factory)(void* userdata), 70 gpointer userdata); 71 72G_END_DECLS 73 74#endif // UI_GFX_GTK_PRESERVE_WINDOW_H_ 75