QGIS API Documentation  2.99.0-Master (e077efd)
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 "qgsmaptool.h"
20 class QgsMapCanvas;
21 
22 
28 class GUI_EXPORT QgsMapToolEmitPoint : public QgsMapTool
29 {
30  Q_OBJECT
31 
32  public:
35 
36  virtual Flags flags() const override { return QgsMapTool::AllowZoomRect; }
37 
39  virtual void canvasMoveEvent( QgsMapMouseEvent* e ) override;
40 
42  virtual void canvasPressEvent( QgsMapMouseEvent* e ) override;
43 
45  virtual void canvasReleaseEvent( QgsMapMouseEvent* e ) override;
46 
47  signals:
49  void canvasClicked( const QgsPoint& point, Qt::MouseButton button );
50 };
51 
52 #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:65
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:106
virtual void canvasPressEvent(QgsMapMouseEvent *e)
Mouse press event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:154
A class to represent a point.
Definition: qgspoint.h:111
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:159