libs/flake

KoPathPointMoveCommand.h

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00001 /* This file is part of the KDE project
00002  * Copyright (C) 2006,2009 Jan Hambrecht <jaham@gmx.net>
00003  * Copyright (C) 2006,2007 Thorsten Zachmann <zachmann@kde.org>
00004  * Copyright (C) 2007 Thomas Zander <zander@kde.org>
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public License
00017  * along with this library; see the file COPYING.LIB.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  */
00021 
00022 #ifndef KOPATHPOINTMOVECOMMAND_H
00023 #define KOPATHPOINTMOVECOMMAND_H
00024 
00025 #include "flake_export.h"
00026 
00027 #include <QUndoCommand>
00028 #include <QPointF>
00029 
00030 #include "KoPathShape.h"
00031 #include "KoPathPointData.h"
00032 
00034 class FLAKE_EXPORT KoPathPointMoveCommand : public QUndoCommand
00035 {
00036 public:
00043     KoPathPointMoveCommand(const QList<KoPathPointData> &pointData, const QPointF &offset, QUndoCommand *parent = 0);
00044 
00051     KoPathPointMoveCommand(const QList<KoPathPointData> &pointData, const QList<QPointF> &offsets, QUndoCommand *parent = 0);
00052 
00054     void redo();
00056     void undo();
00057 
00058 private:
00059     void applyOffset( qreal factor );
00060 
00061     bool m_undoCalled; // this command stores diffs; so calling undo twice will give wrong results. Guard against that.
00062     QMap<KoPathPointData, QPointF > m_points;
00063     QSet<KoPathShape*> m_paths;
00064 };
00065 
00066 #endif // KOPATHPOINTMOVECOMMAND_H