QGIS API Documentation  2.99.0-Master (ae4d26a)
qgsmaptoolemitpoint.h
Go to the documentation of this file.
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 #include "qgis_gui.h"
21 class QgsMapCanvas;
22 
23 
30 class GUI_EXPORT QgsMapToolEmitPoint : public QgsMapTool
31 {
32  Q_OBJECT
33 
34  public:
37 
38  virtual Flags flags() const override { return QgsMapTool::AllowZoomRect; }
39  virtual void canvasMoveEvent( QgsMapMouseEvent *e ) override;
40  virtual void canvasPressEvent( QgsMapMouseEvent *e ) override;
41  virtual void canvasReleaseEvent( QgsMapMouseEvent *e ) override;
42 
43  signals:
45  void canvasClicked( const QgsPointXY &point, Qt::MouseButton button );
46 };
47 
48 #endif
virtual void canvasMoveEvent(QgsMapMouseEvent *e)
Mouse move event for overriding. Default implementation does nothing.
Definition: qgsmaptool.cpp:143
A class to represent a 2D point.
Definition: qgspointxy.h:43
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:153
virtual Flags flags() const override
Returns the flags for the map tool.
Abstract base class for all map tools.
Definition: qgsmaptool.h:63
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:158