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qgsmaptoolemitpoint.cpp
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1 /***************************************************************************
2  qgsmaptoolemitpoint.cpp - 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 
17 #include "qgsmaptoolemitpoint.h"
18 #include "qgsmapcanvas.h"
19 #include <QMouseEvent>
20 
21 
23  : QgsMapTool( canvas )
24 {
25 }
26 
27 void QgsMapToolEmitPoint::canvasMoveEvent( QMouseEvent * e )
28 {
29  Q_UNUSED( e );
30 }
31 
33 {
34  QgsPoint pnt = toMapCoordinates( e->pos() );
35  emit canvasClicked( pnt, e->button() );
36 }
37 
39 {
40  Q_UNUSED( e );
41 }
QgsPoint toMapCoordinates(const QPoint &point)
transformation from screen coordinates to map coordinates
Definition: qgsmaptool.cpp:42
void canvasClicked(const QgsPoint &point, Qt::MouseButton button)
signal emitted on canvas click
QgsMapToolEmitPoint(QgsMapCanvas *canvas)
constructor
Map canvas is a class for displaying all GIS data types on a canvas.
Definition: qgsmapcanvas.h:105
A class to represent a point geometry.
Definition: qgspoint.h:63
Abstract base class for all map tools.
Definition: qgsmaptool.h:48
virtual void canvasMoveEvent(QMouseEvent *e)
Overridden mouse move event.
virtual void canvasPressEvent(QMouseEvent *e)
Overridden mouse press event - emits the signal.
virtual void canvasReleaseEvent(QMouseEvent *e)
Overridden mouse release event.