File indexing completed on 2024-04-28 04:21:28 

0001 /* SPDX-FileCopyrightText: 2003-2010 Jesper K. Pedersen <blackie@kde.org>
0002 
0003    SPDX-License-Identifier: GPL-2.0-or-later
0004 */
0005 
0006 #ifndef VIEWHANDLER_H
0007 #define VIEWHANDLER_H
0008 #include "ImageDisplay.h"
0009 
0010 #include <QMouseEvent>
0011 #include <qpoint.h>
0012 
0013 class ImageDisplay;
0014 class QRubberBand;
0015 
0016 namespace Viewer
0017 {
0018 
0019 class ViewHandler : public QObject
0020 {
0021     Q_OBJECT
0022 public:
0023     explicit ViewHandler(ImageDisplay *display);
0024     bool mousePressEvent(QMouseEvent *e, const QPoint &unTranslatedPos, double scaleFactor);
0025     bool mouseReleaseEvent(QMouseEvent *e, const QPoint &unTranslatedPos, double scaleFactor);
0026     bool mouseMoveEvent(QMouseEvent *e, const QPoint &unTranslatedPos, double scaleFactor);
0027     void hideEvent();
0028 
0029 private:
0030     bool m_scale, m_pan;
0031     QPoint m_start, m_untranslatedStart, m_last;
0032     double m_errorX, m_errorY;
0033     QRubberBand *m_rubberBand;
0034     ImageDisplay *m_display;
0035 };
0036 }
0037 
0038 #endif /* VIEWHANDLER_H */
0039 
0040 // vi:expandtab:tabstop=4 shiftwidth=4: