vdk 2.4.0
gtkundomanager.h
1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /*
3  * gtkundomanager.h
4  * This file is part of gtksourceview, but copied from gtk
5  *
6  * Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
7  * Copyright (C) 2000, 2001 Chema Celorio, Paolo Maggi
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330,
22  * Boston, MA 02111-1307, USA. * *
23  */
24 
25 /*
26  * Modified by the gtk Team, 1998-2001. See the AUTHORS file for a
27  * list of people on the gtk Team.
28  * See the ChangeLog files for a list of changes.
29  */
30 
31 #ifndef __GTK_UNDO_MANAGER_H__
32 #define __GTK_UNDO_MANAGER_H__
33 
34 #include <vdk/gtksourcebuffer.h>
35 
36 G_BEGIN_DECLS
37 
38 #define GTK_TYPE_UNDO_MANAGER (gtk_undo_manager_get_type ())
39 #define GTK_UNDO_MANAGER(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_UNDO_MANAGER, GtkUndoManager))
40 #define GTK_UNDO_MANAGER_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_UNDO_MANAGER, GtkUndoManagerClass))
41 #define GTK_IS_UNDO_MANAGER(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_UNDO_MANAGER))
42 #define GTK_IS_UNDO_MANAGER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_UNDO_MANAGER))
43 #define GTK_UNDO_MANAGER_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_UNDO_MANAGER, GtkUndoManagerClass))
44 
45 typedef struct _GtkUndoManager GtkUndoManager;
46 typedef struct _GtkUndoManagerClass GtkUndoManagerClass;
47 typedef struct _GtkUndoManagerPrivate GtkUndoManagerPrivate;
48 
49 struct _GtkUndoManager {
50  GObject base;
51 
52  GtkUndoManagerPrivate *priv;
53 };
54 
55 struct _GtkUndoManagerClass {
56  GObjectClass parent_class;
57 
58  /* Signals */
59  void (*can_undo) (GtkUndoManager *um, gboolean can_undo);
60  void (*can_redo) (GtkUndoManager *um, gboolean can_redo);
61 };
62 
63 GType gtk_undo_manager_get_type (void) G_GNUC_CONST;
64 
65 GtkUndoManager *gtk_undo_manager_new (GtkSourceBuffer *buffer);
66 
67 gboolean gtk_undo_manager_can_undo (const GtkUndoManager *um);
68 gboolean gtk_undo_manager_can_redo (const GtkUndoManager *um);
69 
70 void gtk_undo_manager_undo (GtkUndoManager *um);
71 void gtk_undo_manager_redo (GtkUndoManager *um);
72 
73 int gtk_undo_manager_get_undo_levels (GtkUndoManager *um);
74 void gtk_undo_manager_set_undo_levels (GtkUndoManager *um,
75  int undo_levels);
76 
77 void gtk_undo_manager_begin_not_undoable_action (GtkUndoManager *um);
78 void gtk_undo_manager_end_not_undoable_action (GtkUndoManager *um);
79 
80 G_END_DECLS
81 
82 #endif /* __GTK_UNDO_MANAGER_H__ */