1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /*
3  * This file is part of GtkSourceView
4  *
5  * Copyright (C) 1998, 1999 Alex Roberts, Evan Lawrence
6  * Copyright (C) 2000, 2001 Chema Celorio, Paolo Maggi
7  * Copyright (C) 2002, 2003 Paolo Maggi
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library 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 GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public License
20  * along with this library; if not, see <http://www.gnu.org/licenses/>.
21  */
22 
23 #ifndef GTK_SOURCE_UNDO_MANAGER_H
24 #define GTK_SOURCE_UNDO_MANAGER_H
25 
26 #if !defined (GTK_SOURCE_H_INSIDE) && !defined (GTK_SOURCE_COMPILATION)
27 #error "Only <gtksourceview/gtksource.h> can be included directly."
28 #endif
29 
30 #include <gtk/gtk.h>
31 #include <gtksourceview/gtksourcetypes.h>
32 
33 G_BEGIN_DECLS
34 
35 #define GTK_SOURCE_TYPE_UNDO_MANAGER                (gtk_source_undo_manager_get_type ())
36 #define GTK_SOURCE_UNDO_MANAGER(obj)                (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_SOURCE_TYPE_UNDO_MANAGER, GtkSourceUndoManager))
37 #define GTK_SOURCE_IS_UNDO_MANAGER(obj)             (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_SOURCE_TYPE_UNDO_MANAGER))
38 #define GTK_SOURCE_UNDO_MANAGER_GET_INTERFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GTK_SOURCE_TYPE_UNDO_MANAGER, GtkSourceUndoManagerIface))
39 
40 typedef struct _GtkSourceUndoManagerIface      	GtkSourceUndoManagerIface;
41 
42 struct _GtkSourceUndoManagerIface
43 {
44 	GTypeInterface parent;
45 
46 	/* Interface functions */
47 	gboolean (*can_undo)                  (GtkSourceUndoManager *manager);
48 	gboolean (*can_redo)                  (GtkSourceUndoManager *manager);
49 
50 	void     (*undo)                      (GtkSourceUndoManager *manager);
51 	void     (*redo)                      (GtkSourceUndoManager *manager);
52 
53 	void     (*begin_not_undoable_action) (GtkSourceUndoManager *manager);
54 	void     (*end_not_undoable_action)   (GtkSourceUndoManager *manager);
55 
56 	/* Signals */
57 	void     (*can_undo_changed)          (GtkSourceUndoManager *manager);
58 	void     (*can_redo_changed)          (GtkSourceUndoManager *manager);
59 };
60 
61 GTK_SOURCE_AVAILABLE_IN_ALL
62 GType     gtk_source_undo_manager_get_type                  (void) G_GNUC_CONST;
63 
64 GTK_SOURCE_AVAILABLE_IN_ALL
65 gboolean  gtk_source_undo_manager_can_undo                  (GtkSourceUndoManager *manager);
66 
67 GTK_SOURCE_AVAILABLE_IN_ALL
68 gboolean  gtk_source_undo_manager_can_redo                  (GtkSourceUndoManager *manager);
69 
70 GTK_SOURCE_AVAILABLE_IN_ALL
71 void      gtk_source_undo_manager_undo                      (GtkSourceUndoManager *manager);
72 
73 GTK_SOURCE_AVAILABLE_IN_ALL
74 void      gtk_source_undo_manager_redo                      (GtkSourceUndoManager *manager);
75 
76 GTK_SOURCE_AVAILABLE_IN_ALL
77 void      gtk_source_undo_manager_begin_not_undoable_action (GtkSourceUndoManager *manager);
78 
79 GTK_SOURCE_AVAILABLE_IN_ALL
80 void      gtk_source_undo_manager_end_not_undoable_action   (GtkSourceUndoManager *manager);
81 
82 GTK_SOURCE_AVAILABLE_IN_ALL
83 void      gtk_source_undo_manager_can_undo_changed          (GtkSourceUndoManager *manager);
84 
85 GTK_SOURCE_AVAILABLE_IN_ALL
86 void      gtk_source_undo_manager_can_redo_changed          (GtkSourceUndoManager *manager);
87 
88 G_END_DECLS
89 
90 #endif /* GTK_SOURCE_UNDO_MANAGER_H */
91