/* * 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_