QGIS API Documentation  2.11.0-Master
qgsmaptooltouch.h
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1 /***************************************************************************
2  qgsmaptooltouch.h - map tool for zooming and panning using qgestures
3  ----------------------
4  begin : February 2012
5  copyright : (C) 2012 by Marco Bernasocchi
6  email : marco at bernawebdesign.ch
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 QGSMAPTOOLTOUCH_H
17 #define QGSMAPTOOLTOUCH_H
18 
19 #include "qgsmaptool.h"
20 #include <QGestureEvent>
21 #include <QPinchGesture>
22 
23 class QgsMapCanvas;
24 
25 
30 class GUI_EXPORT QgsMapToolTouch : public QgsMapTool
31 {
32  public:
34  QgsMapToolTouch( QgsMapCanvas* canvas );
35 
36  ~QgsMapToolTouch();
37 
38  void activate() override;
39  void deactivate() override;
40 
42  virtual void canvasMoveEvent( QMouseEvent * e ) override;
43 
45  virtual void canvasReleaseEvent( QMouseEvent * e ) override;
46 
48  virtual void canvasDoubleClickEvent( QMouseEvent * e ) override;
49 
50  virtual bool isTransient() override { return true; }
51 
52  bool gestureEvent( QGestureEvent *event ) override;
53 
54  private:
55 
57  bool mDragging;
59  bool mPinching;
60  void pinchTriggered( QPinchGesture *gesture );
61 };
62 
63 #endif
virtual void canvasMoveEvent(QMouseEvent *e)
Mouse move event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:145
virtual void canvasDoubleClickEvent(QMouseEvent *e)
Mouse double click event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:150
Map canvas is a class for displaying all GIS data types on a canvas.
Definition: qgsmapcanvas.h:105
virtual void activate()
called when set as currently active map tool
Definition: qgsmaptool.cpp:83
virtual void deactivate()
called when map tool is being deactivated
Definition: qgsmaptool.cpp:99
A map tool for panning the map.
Abstract base class for all map tools.
Definition: qgsmaptool.h:49
virtual void canvasReleaseEvent(QMouseEvent *e)
Mouse release event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:160
virtual bool isTransient() override
Check whether this MapTool performs a zoom or pan operation.