/* Copyright (C) 2003-2010 Jesper K. Pedersen <blackie@kde.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; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef VIEWHANDLER_H
#define VIEWHANDLER_H
#include "ImageDisplay.h"

#include <QMouseEvent>
#include <qpoint.h>

class ImageDisplay;
class QRubberBand;

namespace Viewer
{

class ViewHandler : public QObject
{
    Q_OBJECT
public:
    explicit ViewHandler(ImageDisplay *display);
    bool mousePressEvent(QMouseEvent *e, const QPoint &unTranslatedPos, double scaleFactor);
    bool mouseReleaseEvent(QMouseEvent *e, const QPoint &unTranslatedPos, double scaleFactor);
    bool mouseMoveEvent(QMouseEvent *e, const QPoint &unTranslatedPos, double scaleFactor);
    void hideEvent();

private:
    bool m_scale, m_pan;
    QPoint m_start, m_untranslatedStart, m_last;
    double m_errorX, m_errorY;
    QRubberBand *m_rubberBand;
    ImageDisplay *m_display;
};
}

#endif /* VIEWHANDLER_H */

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