QGIS API Documentation  3.13.0-Master (740be229cb)
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 "qgsmapmouseevent.h"
20 
21 
22 
24  : QgsMapTool( canvas )
25 {
26 }
27 
29 {
30  Q_UNUSED( e )
31 }
32 
34 {
35  QgsPointXY pnt = toMapCoordinates( e->pos() );
36  emit canvasClicked( pnt, e->button() );
37 }
38 
40 {
41  Q_UNUSED( e )
42 }
void canvasClicked(const QgsPointXY &point, Qt::MouseButton button)
signal emitted on canvas click
A class to represent a 2D point.
Definition: qgspointxy.h:43
A QgsMapMouseEvent is the result of a user interaction with the mouse on a QgsMapCanvas.
QgsPointXY toMapCoordinates(QPoint point)
transformation from screen coordinates to map coordinates
Definition: qgsmaptool.cpp:42
QgsMapToolEmitPoint(QgsMapCanvas *canvas)
constructor
Map canvas is a class for displaying all GIS data types on a canvas.
Definition: qgsmapcanvas.h:78
void canvasMoveEvent(QgsMapMouseEvent *e) override
Mouse move event for overriding. Default implementation does nothing.
Abstract base class for all map tools.
Definition: qgsmaptool.h:62
void canvasPressEvent(QgsMapMouseEvent *e) override
Mouse press event for overriding. Default implementation does nothing.
void canvasReleaseEvent(QgsMapMouseEvent *e) override
Mouse release event for overriding. Default implementation does nothing.