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koffice/krita/sdk/kis_undo_adapter.h

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/*
* Copyright (c) 2003 Patrick Julien <freak@codepimps.org>
*
* 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 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KIS_UNDO_ADAPTER_H_
#define KIS_UNDO_ADAPTER_H_
#include <qglobal.h>
class QString;
class KCommand;
/**
* Undo listeners want to be notified of undo and redo actions.
* add notification is given _before_ the command is added to the
* stack.
* execute notification is given on undo and redo
*/
class KisCommandHistoryListener {
public:
KisCommandHistoryListener(){};
virtual void notifyCommandAdded(KCommand * cmd) = 0;
virtual void notifyCommandExecuted(KCommand * cmd) = 0;
};
class KisUndoAdapter {
public:
KisUndoAdapter() {};
virtual ~KisUndoAdapter() {};
public:
virtual void setCommandHistoryListener(const KisCommandHistoryListener *) = 0;
virtual void removeCommandHistoryListener(const KisCommandHistoryListener *) = 0;
virtual KCommand * presentCommand() = 0;
virtual void addCommand(KCommand *cmd) = 0;
virtual void setUndo(bool undo) = 0;
virtual bool undo() const = 0;
virtual void beginMacro(const QString& macroName) = 0;
virtual void endMacro() = 0;
private:
KisUndoAdapter(const KisUndoAdapter&);
KisUndoAdapter& operator=(const KisUndoAdapter&);
};
#endif // KIS_UNDO_ADAPTER_H_