src/pixmapviewer.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 Eyal Lotem <eyal.lotem@gmail.com>                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.          *
  18  ***************************************************************************/
  19 #ifndef PIXMAPVIEWER_H
  20 #define PIXMAPVIEWER_H
  21
  22 #include <q3scrollview.h>
  23 #include <QPixmap>
  24
  25 class QMouseEvent;
  26
  27 class PixmapViewer : public Q3ScrollView {
  28     Q_OBJECT
  29
  30 public:
  31     PixmapViewer(QWidget *widget, const QPixmap &pixmap);
  32
  33     // The size of this widget that requires no scrollbars
  34     QSize maximalSize();
  35
  36     void drawContents( QPainter * p, int clipx, int clipy, int clipw, int cliph );
  37
  38     void contentsMousePressEvent(QMouseEvent *event);
  39     void contentsMouseReleaseEvent(QMouseEvent *event);
  40     void contentsMouseMoveEvent(QMouseEvent *event);
  41
  42 private:
  43     bool m_isDragging;
  44     QPoint m_currentPos;
  45     const QPixmap &m_pixmap;
  46 };
  47
  48 #endif