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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/gfx/gtk_preserve_window.h" | 5 #include "ui/gfx/gtk_preserve_window.h" |
6 | 6 |
7 #include <gdk/gdk.h> | 7 #include <gdk/gdk.h> |
8 #include <gtk/gtk.h> | 8 #include <gtk/gtk.h> |
9 | 9 |
10 #include "ui/base/gtk/gtk_compat.h" | 10 #include "ui/base/gtk/gtk_compat.h" |
11 | 11 |
12 G_BEGIN_DECLS | 12 G_BEGIN_DECLS |
13 | 13 |
14 #define GTK_PRESERVE_WINDOW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \ | 14 #define GTK_PRESERVE_WINDOW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \ |
15 GTK_TYPE_PRESERVE_WINDOW, \ | 15 GTK_TYPE_PRESERVE_WINDOW, \ |
16 GtkPreserveWindowPrivate)) | 16 GtkPreserveWindowPrivate)) |
17 | 17 |
18 typedef struct _GtkPreserveWindowPrivate GtkPreserveWindowPrivate; | 18 typedef struct _GtkPreserveWindowPrivate GtkPreserveWindowPrivate; |
19 | 19 |
20 struct _GtkPreserveWindowPrivate { | 20 struct _GtkPreserveWindowPrivate { |
21 // If true, don't create/destroy windows on realize/unrealize. | 21 // If true, don't create/destroy windows on realize/unrealize. |
22 gboolean preserve_window; | 22 gboolean preserve_window; |
23 | 23 |
24 // Whether or not we delegate the resize of the GdkWindow | 24 // Whether or not we delegate the resize of the GdkWindow |
25 // to someone else. | 25 // to someone else. |
26 gboolean delegate_resize; | 26 gboolean delegate_resize; |
27 | |
28 // Accessible factory and userdata. | |
29 AtkObject* (*accessible_factory)(void* userdata); | |
30 void* accessible_factory_userdata; | |
31 }; | 27 }; |
32 | 28 |
33 G_DEFINE_TYPE(GtkPreserveWindow, gtk_preserve_window, GTK_TYPE_FIXED) | 29 G_DEFINE_TYPE(GtkPreserveWindow, gtk_preserve_window, GTK_TYPE_FIXED) |
34 | 30 |
35 static void gtk_preserve_window_destroy(GtkObject* object); | 31 static void gtk_preserve_window_destroy(GtkObject* object); |
36 static void gtk_preserve_window_realize(GtkWidget* widget); | 32 static void gtk_preserve_window_realize(GtkWidget* widget); |
37 static void gtk_preserve_window_unrealize(GtkWidget* widget); | 33 static void gtk_preserve_window_unrealize(GtkWidget* widget); |
38 static void gtk_preserve_window_size_allocate(GtkWidget* widget, | 34 static void gtk_preserve_window_size_allocate(GtkWidget* widget, |
39 GtkAllocation* allocation); | 35 GtkAllocation* allocation); |
40 static AtkObject* gtk_preserve_window_get_accessible(GtkWidget* widget); | |
41 | 36 |
42 static void gtk_preserve_window_class_init(GtkPreserveWindowClass *klass) { | 37 static void gtk_preserve_window_class_init(GtkPreserveWindowClass *klass) { |
43 GtkWidgetClass* widget_class = reinterpret_cast<GtkWidgetClass*>(klass); | 38 GtkWidgetClass* widget_class = reinterpret_cast<GtkWidgetClass*>(klass); |
44 widget_class->realize = gtk_preserve_window_realize; | 39 widget_class->realize = gtk_preserve_window_realize; |
45 widget_class->unrealize = gtk_preserve_window_unrealize; | 40 widget_class->unrealize = gtk_preserve_window_unrealize; |
46 widget_class->size_allocate = gtk_preserve_window_size_allocate; | 41 widget_class->size_allocate = gtk_preserve_window_size_allocate; |
47 widget_class->get_accessible = gtk_preserve_window_get_accessible; | |
48 | 42 |
49 GtkObjectClass* object_class = reinterpret_cast<GtkObjectClass*>(klass); | 43 GtkObjectClass* object_class = reinterpret_cast<GtkObjectClass*>(klass); |
50 object_class->destroy = gtk_preserve_window_destroy; | 44 object_class->destroy = gtk_preserve_window_destroy; |
51 | 45 |
52 GObjectClass* gobject_class = G_OBJECT_CLASS(klass); | 46 GObjectClass* gobject_class = G_OBJECT_CLASS(klass); |
53 g_type_class_add_private(gobject_class, sizeof(GtkPreserveWindowPrivate)); | 47 g_type_class_add_private(gobject_class, sizeof(GtkPreserveWindowPrivate)); |
54 } | 48 } |
55 | 49 |
56 static void gtk_preserve_window_init(GtkPreserveWindow* widget) { | 50 static void gtk_preserve_window_init(GtkPreserveWindow* widget) { |
57 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); | 51 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); |
58 priv->preserve_window = FALSE; | 52 priv->preserve_window = FALSE; |
59 priv->accessible_factory = NULL; | |
60 priv->accessible_factory_userdata = NULL; | |
61 | 53 |
62 // These widgets always have their own window. | 54 // These widgets always have their own window. |
63 gtk_widget_set_has_window(GTK_WIDGET(widget), TRUE); | 55 gtk_widget_set_has_window(GTK_WIDGET(widget), TRUE); |
64 } | 56 } |
65 | 57 |
66 GtkWidget* gtk_preserve_window_new() { | 58 GtkWidget* gtk_preserve_window_new() { |
67 return GTK_WIDGET(g_object_new(GTK_TYPE_PRESERVE_WINDOW, NULL)); | 59 return GTK_WIDGET(g_object_new(GTK_TYPE_PRESERVE_WINDOW, NULL)); |
68 } | 60 } |
69 | 61 |
70 static void gtk_preserve_window_destroy(GtkObject* object) { | 62 static void gtk_preserve_window_destroy(GtkObject* object) { |
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235 children = children->next; | 227 children = children->next; |
236 } | 228 } |
237 } | 229 } |
238 | 230 |
239 void gtk_preserve_window_delegate_resize(GtkPreserveWindow* widget, | 231 void gtk_preserve_window_delegate_resize(GtkPreserveWindow* widget, |
240 gboolean delegate) { | 232 gboolean delegate) { |
241 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); | 233 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); |
242 priv->delegate_resize = delegate; | 234 priv->delegate_resize = delegate; |
243 } | 235 } |
244 | 236 |
245 void gtk_preserve_window_set_accessible_factory( | |
246 GtkPreserveWindow* widget, | |
247 AtkObject* (*factory)(void* userdata), | |
248 gpointer userdata) { | |
249 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); | |
250 priv->accessible_factory = factory; | |
251 priv->accessible_factory_userdata = userdata; | |
252 } | |
253 | |
254 AtkObject* gtk_preserve_window_get_accessible(GtkWidget* widget) { | |
255 GtkPreserveWindowPrivate* priv = GTK_PRESERVE_WINDOW_GET_PRIVATE(widget); | |
256 if (priv->accessible_factory) { | |
257 return priv->accessible_factory(priv->accessible_factory_userdata); | |
258 } else { | |
259 return GTK_WIDGET_CLASS(gtk_preserve_window_parent_class) | |
260 ->get_accessible(widget); | |
261 } | |
262 } | |
263 | |
264 G_END_DECLS | 237 G_END_DECLS |
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