summaryrefslogtreecommitdiffstats
path: root/src/utilities/imageeditor/canvas/undomanager.h
blob: a36ba12f692a855224e8be4bec7759432da84ea0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
/* ============================================================
 *
 * This file is a part of digiKam project
 * http://www.digikam.org
 *
 * Date        : 2005-02-06
 * Description : an image editor actions undo/redo manager
 *
 * Copyright (C) 2005-2006 by Renchi Raju <[email protected]>
 * Copyright (C) 2005-2006 by Joern Ahrens <[email protected]>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option)
 * any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */

#ifndef UNDOMANAGER_H
#define UNDOMANAGER_H

// TQt includes.

#include <tqstringlist.h>

// Local includes.

#include "digikam_export.h"

namespace Digikam
{

class DImgInterface;
class UndoManagerPriv;
class UndoAction;

class DIGIKAM_EXPORT UndoManager
{

public:

    UndoManager(DImgInterface* iface);
    ~UndoManager();

    void undo();
    void redo();
    
    void clear(bool clearCache=true);
    bool anyMoreUndo();
    bool anyMoreRedo();    
    void getUndoHistory(TQStringList &titles);
    void getRedoHistory(TQStringList &titles);
    bool isAtOrigin();
    void setOrigin();

    void addAction(UndoAction* action);

private:
    
    void clearUndoActions();
    void clearRedoActions();

private:

    UndoManagerPriv *d;
};

}  // namespace Digikam

#endif /* UNDOMANAGER_H */