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/* ============================================================
*
* 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 <renchi@pooh.tam.uiuc.edu>
* Copyright (C) 2005-2006 by Joern Ahrens <joern.ahrens@kdemail.net>
*
* 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 */
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