QGIS API Documentation 3.37.0-Master (df6056bf1be)
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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#include "qgis_gui.h"
21class QgsMapCanvas;
22
23
30class GUI_EXPORT QgsMapToolEmitPoint : public QgsMapTool
31{
32 Q_OBJECT
33
34 public:
37
38 Flags flags() const override { return QgsMapTool::AllowZoomRect; }
39 void canvasMoveEvent( QgsMapMouseEvent *e ) override;
40 void canvasPressEvent( QgsMapMouseEvent *e ) override;
41 void canvasReleaseEvent( QgsMapMouseEvent *e ) override;
42
43 signals:
45 void canvasClicked( const QgsPointXY &point, Qt::MouseButton button );
46};
47
48#endif
Map canvas is a class for displaying all GIS data types on a canvas.
A QgsMapMouseEvent is the result of a user interaction with the mouse on a QgsMapCanvas.
A map tool that simply emits a point when clicking on the map.
Flags flags() const override
Returns the flags for the map tool.
void canvasClicked(const QgsPointXY &point, Qt::MouseButton button)
signal emitted on canvas click
Abstract base class for all map tools.
Definition qgsmaptool.h:71
QFlags< Flag > Flags
Definition qgsmaptool.h:116
virtual void canvasPressEvent(QgsMapMouseEvent *e)
Mouse press event for overriding. Default implementation does nothing.
virtual void canvasMoveEvent(QgsMapMouseEvent *e)
Mouse move event for overriding. Default implementation does nothing.
virtual void canvasReleaseEvent(QgsMapMouseEvent *e)
Mouse release event for overriding. Default implementation does nothing.
@ AllowZoomRect
Allow zooming by rectangle (by holding shift and dragging) while the tool is active.
Definition qgsmaptool.h:113
A class to represent a 2D point.
Definition qgspointxy.h:60