Quantum GIS API Documentation
1.8
|
00001 /*************************************************************************** 00002 qgsmaptool.h - base class for map canvas tools 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 00016 #ifndef QGSMAPTOOL_H 00017 #define QGSMAPTOOL_H 00018 00019 #include <QCursor> 00020 #include <QString> 00021 #include <QObject> 00022 00023 #ifdef HAVE_TOUCH 00024 #include <QGestureEvent> 00025 #endif 00026 00027 class QgsMapLayer; 00028 class QgsMapCanvas; 00029 class QKeyEvent; 00030 class QMouseEvent; 00031 class QgsPoint; 00032 class QgsRectangle; 00033 class QPoint; 00034 class QAction; 00035 class QAbstractButton; 00036 00043 class GUI_EXPORT QgsMapTool : public QObject 00044 { 00045 public: 00046 00048 virtual ~QgsMapTool(); 00049 00051 virtual void canvasMoveEvent( QMouseEvent * e ); 00052 00054 virtual void canvasDoubleClickEvent( QMouseEvent * e ); 00055 00057 virtual void canvasPressEvent( QMouseEvent * e ); 00058 00060 virtual void canvasReleaseEvent( QMouseEvent * e ); 00061 00063 virtual void keyPressEvent( QKeyEvent* e ); 00064 00067 virtual void keyReleaseEvent( QKeyEvent* e ); 00068 00069 #ifdef HAVE_TOUCH 00070 00071 virtual bool gestureEvent( QGestureEvent* e ); 00072 #endif 00073 00075 virtual void renderComplete(); 00076 00077 00082 void setAction( QAction* action ); 00083 00085 QAction* action(); 00086 00089 void setButton( QAbstractButton* button ); 00090 00092 QAbstractButton* button(); 00093 00094 00098 virtual bool isTransient(); 00099 00103 virtual bool isEditTool(); 00104 00106 virtual void activate(); 00107 00109 virtual void deactivate(); 00110 00112 QgsMapCanvas* canvas(); 00113 00114 protected: 00115 00117 QgsMapTool( QgsMapCanvas* canvas ); 00118 00120 QgsPoint toMapCoordinates( const QPoint& point ); 00121 00123 QgsPoint toLayerCoordinates( QgsMapLayer* layer, const QPoint& point ); 00124 00126 QgsPoint toLayerCoordinates( QgsMapLayer* layer, const QgsPoint& point ); 00127 00129 QgsPoint toMapCoordinates( QgsMapLayer* layer, const QgsPoint& point ); 00130 00132 QgsRectangle toLayerCoordinates( QgsMapLayer* layer, const QgsRectangle& rect ); 00133 00135 QPoint toCanvasCoordinates( const QgsPoint& point ); 00136 00138 QgsMapCanvas* mCanvas; 00139 00141 QCursor mCursor; 00142 00145 QAction* mAction; 00146 00149 QAbstractButton* mButton; 00150 00151 }; 00152 00153 #endif