Quantum GIS API Documentation  1.7.4
src/gui/qgsmaptoolzoom.h
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00001 /***************************************************************************
00002     qgsmaptoolzoom.h  -  map tool for zooming
00003     ----------------------
00004     begin                : January 2006
00005     copyright            : (C) 2006 by Martin Dobias
00006     email                : wonder.sk at gmail dot com
00007  ***************************************************************************
00008  *                                                                         *
00009  *   This program is free software; you can redistribute it and/or modify  *
00010  *   it under the terms of the GNU General Public License as published by  *
00011  *   the Free Software Foundation; either version 2 of the License, or     *
00012  *   (at your option) any later version.                                   *
00013  *                                                                         *
00014  ***************************************************************************/
00015 /* $Id$ */
00016 
00017 #ifndef QGSMAPTOOLZOOM_H
00018 #define QGSMAPTOOLZOOM_H
00019 
00020 #include "qgsmaptool.h"
00021 #include <QRect>
00022 
00023 class QgsRubberBand;
00024 
00029 class GUI_EXPORT QgsMapToolZoom : public QgsMapTool
00030 {
00031   public:
00033     QgsMapToolZoom( QgsMapCanvas* canvas, bool zoomOut );
00034 
00035     ~QgsMapToolZoom();
00036 
00038     virtual void canvasMoveEvent( QMouseEvent * e );
00039 
00041     virtual void canvasPressEvent( QMouseEvent * e );
00042 
00044     virtual void canvasReleaseEvent( QMouseEvent * e );
00045 
00046     virtual bool isTransient() { return true; }
00047 
00048     virtual void deactivate();
00049 
00050   protected:
00052     QRect mZoomRect;
00053 
00055     bool mZoomOut;
00056 
00058     bool mDragging;
00059 
00060     QgsRubberBand* mRubberBand;
00061 };
00062 
00063 #endif
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