QGIS API Documentation  2.99.0-Master (19b062c)
qgsmaptoolpan.h
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1 /***************************************************************************
2  qgsmaptoolpan.h - map tool for panning in map canvas
3  ---------------------
4  begin : January 2006
5  copyright : (C) 2006 by Martin Dobias
6  email : wonder.sk at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSMAPTOOLPAN_H
17 #define QGSMAPTOOLPAN_H
18 
19 #include "qgsmaptool.h"
20 #include "qgis_gui.h"
21 class QgsMapCanvas;
22 
23 
29 class GUI_EXPORT QgsMapToolPan : public QgsMapTool
30 {
31  Q_OBJECT
32 
33  public:
35  QgsMapToolPan( QgsMapCanvas *canvas );
36  ~QgsMapToolPan();
37 
38  void activate() override;
39  void deactivate() override;
40 
41  virtual Flags flags() const override { return QgsMapTool::Transient | QgsMapTool::AllowZoomRect; }
42  virtual void canvasPressEvent( QgsMapMouseEvent *e ) override;
43  virtual void canvasMoveEvent( QgsMapMouseEvent *e ) override;
44  virtual void canvasReleaseEvent( QgsMapMouseEvent *e ) override;
45  virtual void canvasDoubleClickEvent( QgsMapMouseEvent *e ) override;
46  bool gestureEvent( QGestureEvent *e ) override;
47 
48  private:
49 
51  bool mDragging;
53  bool mPinching = false;
54 
55  void pinchTriggered( QPinchGesture *gesture );
56 };
57 
58 #endif
virtual void canvasMoveEvent(QgsMapMouseEvent *e)
Mouse move event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:148
Allow zooming by rectangle (by holding shift and dragging) while the tool is active.
Definition: qgsmaptool.h:95
A QgsMapMouseEvent is the result of a user interaction with the mouse on a QgsMapCanvas.
Map canvas is a class for displaying all GIS data types on a canvas.
Definition: qgsmapcanvas.h:74
virtual void canvasPressEvent(QgsMapMouseEvent *e)
Mouse press event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:158
virtual void activate()
called when set as currently active map tool
Definition: qgsmaptool.cpp:81
virtual void deactivate()
called when map tool is being deactivated
Definition: qgsmaptool.cpp:97
Abstract base class for all map tools.
Definition: qgsmaptool.h:63
virtual bool gestureEvent(QGestureEvent *e)
gesture event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:183
virtual void canvasDoubleClickEvent(QgsMapMouseEvent *e)
Mouse double-click event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:153
A map tool for panning the map.
Definition: qgsmaptoolpan.h:29
virtual Flags flags() const override
Returns the flags for the map tool.
Definition: qgsmaptoolpan.h:41
virtual void canvasReleaseEvent(QgsMapMouseEvent *e)
Mouse release event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:163