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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 | |
19 G_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 | |
37 typedef struct _GtkPreserveWindow GtkPreserveWindow; | |
38 typedef struct _GtkPreserveWindowClass GtkPreserveWindowClass; | |
39 | |
40 struct _GtkPreserveWindow { | |
41 // Parent class. | |
42 GtkFixed fixed; | |
43 }; | |
44 | |
45 struct _GtkPreserveWindowClass { | |
46 GtkFixedClass parent_class; | |
47 }; | |
48 | |
49 GFX_EXPORT GType gtk_preserve_window_get_type() G_GNUC_CONST; | |
50 GFX_EXPORT GtkWidget* gtk_preserve_window_new(); | |
51 | |
52 // Whether or not we should preserve associated windows as the widget | |
53 // is realized or unrealized. | |
54 GFX_EXPORT gboolean gtk_preserve_window_get_preserve(GtkPreserveWindow* widget); | |
55 GFX_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). | |
61 GFX_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. | |
67 GFX_EXPORT void gtk_preserve_window_set_accessible_factory( | |
68 GtkPreserveWindow* widget, | |
69 AtkObject* (*factory)(void* userdata), | |
70 gpointer userdata); | |
71 | |
72 G_END_DECLS | |
73 | |
74 #endif // UI_GFX_GTK_PRESERVE_WINDOW_H_ | |
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