1 /*
2  * Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
3  * Copyright (C) 2000, 2001 Chema Celorio, Paolo Maggi
4  * Copyright (C) 2002, 2003 Paolo Maggi
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15 
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
19  */
20 
21 #ifndef CHROME_BROWSER_AUTOCOMPLETE_UNDO_MANAGER_H_
22 #define CHROME_BROWSER_AUTOCOMPLETE_UNDO_MANAGER_H_
23 
24 #include <gtk/gtk.h>
25 
26 G_BEGIN_DECLS
27 
28 #define GTK_SOURCE_TYPE_UNDO_MANAGER            (gtk_source_undo_manager_get_type())
29 
30 #define GTK_SOURCE_UNDO_MANAGER(obj)            \
31   (G_TYPE_CHECK_INSTANCE_CAST((obj), GTK_SOURCE_TYPE_UNDO_MANAGER, GtkSourceUndoManager))
32 
33 #define GTK_SOURCE_UNDO_MANAGER_CLASS(klass)    \
34   (G_TYPE_CHECK_CLASS_CAST((klass), GTK_SOURCE_TYPE_UNDO_MANAGER, GtkSourceUndoManagerClass))
35 
36 #define GTK_SOURCE_IS_UNDO_MANAGER(obj)         \
37   (G_TYPE_CHECK_INSTANCE_TYPE((obj), GTK_SOURCE_TYPE_UNDO_MANAGER))
38 
39 #define GTK_SOURCE_IS_UNDO_MANAGER_CLASS(klass) \
40   (G_TYPE_CHECK_CLASS_TYPE((klass), GTK_SOURCE_TYPE_UNDO_MANAGER))
41 
42 #define GTK_SOURCE_UNDO_MANAGER_GET_CLASS(obj)  \
43   (G_TYPE_INSTANCE_GET_CLASS((obj), GTK_SOURCE_TYPE_UNDO_MANAGER, GtkSourceUndoManagerClass))
44 
45 typedef struct _GtkSourceUndoManager          GtkSourceUndoManager;
46 typedef struct _GtkSourceUndoManagerClass   GtkSourceUndoManagerClass;
47 
48 typedef struct _GtkSourceUndoManagerPrivate   GtkSourceUndoManagerPrivate;
49 
50 struct _GtkSourceUndoManager
51 {
52 	GObject base;
53 
54 	GtkSourceUndoManagerPrivate *priv;
55 };
56 
57 struct _GtkSourceUndoManagerClass
58 {
59 	GObjectClass parent_class;
60 
61 	/* Signals */
62 	void ( *can_undo ) ( GtkSourceUndoManager *um, gboolean can_undo );
63 	void ( *can_redo ) ( GtkSourceUndoManager *um, gboolean can_redo );
64 };
65 
66 GType            gtk_source_undo_manager_get_type ( void ) G_GNUC_CONST;
67 
68 GtkSourceUndoManager*   gtk_source_undo_manager_new ( GtkTextBuffer     *buffer );
69 
70 gboolean    gtk_source_undo_manager_can_undo ( const GtkSourceUndoManager *um );
71 gboolean    gtk_source_undo_manager_can_redo ( const GtkSourceUndoManager *um );
72 
73 void      gtk_source_undo_manager_undo ( GtkSourceUndoManager   *um );
74 void      gtk_source_undo_manager_redo ( GtkSourceUndoManager   *um );
75 
76 void      gtk_source_undo_manager_begin_not_undoable_action ( GtkSourceUndoManager  *um );
77 void      gtk_source_undo_manager_end_not_undoable_action ( GtkSourceUndoManager  *um );
78 
79 gint      gtk_source_undo_manager_get_max_undo_levels ( GtkSourceUndoManager   *um );
80 void      gtk_source_undo_manager_set_max_undo_levels ( GtkSourceUndoManager   *um,
81 		gint        undo_levels );
82 
83 G_END_DECLS
84 
85 #endif  // CHROME_BROWSER_AUTOCOMPLETE_UNDO_MANAGER_H_
86 
87