src/PixmapViewer.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 Eyal Lotem <eyal.lotem@gmail.com>                  *
   3  *             (C) 2007 Seb Ruiz <ruiz@kde.org>                            *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.          *
  19  ***************************************************************************/
  20 #ifndef PIXMAPVIEWER_H
  21 #define PIXMAPVIEWER_H
  22
  23 #include <QScrollArea>
  24 #include <QPixmap>
  25
  26 class QMouseEvent;
  27
  28 class PixmapViewer : public QScrollArea
  29 {
  30     Q_OBJECT
  31
  32 public:
  33     PixmapViewer( QWidget *widget, const QPixmap &pixmap );
  34
  35     virtual QSize sizeHint() const;
  36
  37     void mousePressEvent( QMouseEvent *event );
  38     void mouseReleaseEvent( QMouseEvent *event );
  39     void mouseMoveEvent( QMouseEvent *event );
  40
  41 private:
  42     bool           m_isDragging;
  43     QPoint         m_currentPos;
  44     const QPixmap &m_pixmap;
  45 };
  46
  47 #endif