QGIS API Documentation  2.99.0-Master (0a63d1f)
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 
28 class GUI_EXPORT QgsMapToolPan : public QgsMapTool
29 {
30  Q_OBJECT
31 
32  public:
34  QgsMapToolPan( QgsMapCanvas* canvas );
35 
36  virtual Flags flags() const override { return QgsMapTool::Transient | QgsMapTool::AllowZoomRect; }
37  virtual void canvasPressEvent( QgsMapMouseEvent* e ) override;
38  virtual void canvasMoveEvent( QgsMapMouseEvent* e ) override;
39  virtual void canvasReleaseEvent( QgsMapMouseEvent* e ) override;
40 
41  private:
42 
44  bool mDragging;
45 
46 };
47 
48 #endif
virtual void canvasMoveEvent(QgsMapMouseEvent *e)
Mouse move event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:144
Allow zooming by rectangle (by holding shift and dragging) while the tool is active.
Definition: qgsmaptool.h:66
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:154
Abstract base class for all map tools.
Definition: qgsmaptool.h:51
A map tool for panning the map.
Definition: qgsmaptoolpan.h:28
virtual Flags flags() const override
Returns the flags for the map tool.
Definition: qgsmaptoolpan.h:36
virtual void canvasReleaseEvent(QgsMapMouseEvent *e)
Mouse release event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:159