QGIS API Documentation
3.0.2-Girona (307d082)
src
gui
qgsmaptoolemitpoint.cpp
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/***************************************************************************
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qgsmaptoolemitpoint.cpp - map tool that emits a signal on click
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---------------------
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begin : June 2007
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copyright : (C) 2007 by Martin Dobias
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email : wonder.sk at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "
qgsmaptoolemitpoint.h
"
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#include "
qgsmapcanvas.h
"
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#include <QMouseEvent>
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QgsMapToolEmitPoint::QgsMapToolEmitPoint
(
QgsMapCanvas
*canvas )
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:
QgsMapTool
( canvas )
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{
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}
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void
QgsMapToolEmitPoint::canvasMoveEvent
(
QgsMapMouseEvent
*e )
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{
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Q_UNUSED( e );
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}
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void
QgsMapToolEmitPoint::canvasPressEvent
(
QgsMapMouseEvent
*e )
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{
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QgsPointXY
pnt =
toMapCoordinates
( e->pos() );
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emit
canvasClicked
( pnt, e->button() );
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}
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void
QgsMapToolEmitPoint::canvasReleaseEvent
(
QgsMapMouseEvent
*e )
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{
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Q_UNUSED( e );
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}
QgsMapToolEmitPoint::canvasClicked
void canvasClicked(const QgsPointXY &point, Qt::MouseButton button)
signal emitted on canvas click
QgsPointXY
A class to represent a 2D point.
Definition:
qgspointxy.h:43
QgsMapMouseEvent
A QgsMapMouseEvent is the result of a user interaction with the mouse on a QgsMapCanvas.
Definition:
qgsmapmouseevent.h:35
qgsmapcanvas.h
QgsMapTool::toMapCoordinates
QgsPointXY toMapCoordinates(QPoint point)
transformation from screen coordinates to map coordinates
Definition:
qgsmaptool.cpp:40
QgsMapToolEmitPoint::QgsMapToolEmitPoint
QgsMapToolEmitPoint(QgsMapCanvas *canvas)
constructor
Definition:
qgsmaptoolemitpoint.cpp:22
QgsMapCanvas
Map canvas is a class for displaying all GIS data types on a canvas.
Definition:
qgsmapcanvas.h:74
qgsmaptoolemitpoint.h
QgsMapToolEmitPoint::canvasMoveEvent
void canvasMoveEvent(QgsMapMouseEvent *e) override
Mouse move event for overriding. Default implementation does nothing.
Definition:
qgsmaptoolemitpoint.cpp:27
QgsMapTool
Abstract base class for all map tools.
Definition:
qgsmaptool.h:63
QgsMapToolEmitPoint::canvasPressEvent
void canvasPressEvent(QgsMapMouseEvent *e) override
Mouse press event for overriding. Default implementation does nothing.
Definition:
qgsmaptoolemitpoint.cpp:32
QgsMapToolEmitPoint::canvasReleaseEvent
void canvasReleaseEvent(QgsMapMouseEvent *e) override
Mouse release event for overriding. Default implementation does nothing.
Definition:
qgsmaptoolemitpoint.cpp:38
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