QGIS API Documentation  2.18.21-Las Palmas (9fba24a)
qgsmaptoolemitpoint.h
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1 /***************************************************************************
2  qgsmaptoolemitpoint.h - map tool that emits a signal on click
3  ---------------------
4  begin : June 2007
5  copyright : (C) 2007 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 QGSMAPTOOLEMITPOINT_H
17 #define QGSMAPTOOLEMITPOINT_H
18 
19 #include "qgspoint.h"
20 #include "qgsmaptool.h"
21 class QgsMapCanvas;
22 
23 
29 class GUI_EXPORT QgsMapToolEmitPoint : public QgsMapTool
30 {
31  Q_OBJECT
32 
33  public:
36 
37  virtual Flags flags() const override { return QgsMapTool::AllowZoomRect; }
38 
40  virtual void canvasMoveEvent( QgsMapMouseEvent* e ) override;
41 
43  virtual void canvasPressEvent( QgsMapMouseEvent* e ) override;
44 
46  virtual void canvasReleaseEvent( QgsMapMouseEvent* e ) override;
47 
48  signals:
50  void canvasClicked( const QgsPoint& point, Qt::MouseButton button );
51 };
52 
53 #endif
virtual void canvasMoveEvent(QgsMapMouseEvent *e)
Mouse move event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:145
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:109
virtual void canvasPressEvent(QgsMapMouseEvent *e)
Mouse press event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:155
A class to represent a point.
Definition: qgspoint.h:117
virtual Flags flags() const override
Returns the flags for the map tool.
Abstract base class for all map tools.
Definition: qgsmaptool.h:50
A map tool that simply emits a point when clicking on the map.
virtual void canvasReleaseEvent(QgsMapMouseEvent *e)
Mouse release event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:160