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68 lines
1.9 KiB
68 lines
1.9 KiB
/*
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* Copyright (c) 2003 Patrick Julien <freak@codepimps.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef KIS_UNDO_ADAPTER_H_
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#define KIS_UNDO_ADAPTER_H_
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#include <qglobal.h>
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class QString;
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class KCommand;
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/**
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* Undo listeners want to be notified of undo and redo actions.
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* add notification is given _before_ the command is added to the
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* stack.
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* execute notification is given on undo and redo
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*/
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class KisCommandHistoryListener {
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public:
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KisCommandHistoryListener(){};
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virtual void notifyCommandAdded(KCommand * cmd) = 0;
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virtual void notifyCommandExecuted(KCommand * cmd) = 0;
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};
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class KisUndoAdapter {
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public:
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KisUndoAdapter() {};
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virtual ~KisUndoAdapter() {};
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public:
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virtual void setCommandHistoryListener(const KisCommandHistoryListener *) = 0;
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virtual void removeCommandHistoryListener(const KisCommandHistoryListener *) = 0;
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virtual KCommand * presentCommand() = 0;
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virtual void addCommand(KCommand *cmd) = 0;
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virtual void setUndo(bool undo) = 0;
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virtual bool undo() const = 0;
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virtual void beginMacro(const QString& macroName) = 0;
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virtual void endMacro() = 0;
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private:
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KisUndoAdapter(const KisUndoAdapter&);
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KisUndoAdapter& operator=(const KisUndoAdapter&);
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};
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#endif // KIS_UNDO_ADAPTER_H_
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