OLD | NEW |
| (Empty) |
1 // Copyright (c) 2011 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_BASE_GTK_FOCUS_STORE_GTK_H_ | |
6 #define UI_BASE_GTK_FOCUS_STORE_GTK_H_ | |
7 | |
8 #include "base/basictypes.h" | |
9 #include "ui/base/ui_base_export.h" | |
10 | |
11 typedef struct _GtkWidget GtkWidget; | |
12 | |
13 namespace ui { | |
14 | |
15 class UI_BASE_EXPORT FocusStoreGtk { | |
16 public: | |
17 FocusStoreGtk(); | |
18 ~FocusStoreGtk(); | |
19 | |
20 GtkWidget* widget() const { return widget_; } | |
21 | |
22 // Save the widget that is currently focused for |widget|'s toplevel (NOT | |
23 // |widget|). | |
24 void Store(GtkWidget* widget); | |
25 | |
26 // Save |widget| as the focus widget. Call with NULL to clear |widget_|. | |
27 void SetWidget(GtkWidget* widget); | |
28 | |
29 private: | |
30 // Disconnect the previous destroy handler (if any). | |
31 void DisconnectDestroyHandler(); | |
32 | |
33 // The widget which last had focus. | |
34 GtkWidget* widget_; | |
35 | |
36 // The widget for which we've stored focus might be destroyed by the time we | |
37 // want to restore focus. Thus we connect to the "destroy" signal on that | |
38 // widget. This is the ID for the destroy handler. | |
39 unsigned int destroy_handler_id_; | |
40 | |
41 DISALLOW_COPY_AND_ASSIGN(FocusStoreGtk); | |
42 }; | |
43 | |
44 } // namespace ui | |
45 | |
46 #endif // UI_BASE_GTK_FOCUS_STORE_GTK_H_ | |
OLD | NEW |