QGIS API Documentation
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src
gui
maptools
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 "
qgsmapmouseevent.h
"
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#include "moc_qgsmaptoolemitpoint.cpp"
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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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const
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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}
QgsMapMouseEvent
A mouse event which is the result of a user interaction with a QgsMapCanvas.
Definition
qgsmapmouseevent.h:38
QgsMapToolEmitPoint::canvasClicked
void canvasClicked(const QgsPointXY &point, Qt::MouseButton button)
signal emitted on canvas click
QgsMapToolEmitPoint::canvasReleaseEvent
void canvasReleaseEvent(QgsMapMouseEvent *e) override
Mouse release event for overriding. Default implementation does nothing.
Definition
qgsmaptoolemitpoint.cpp:40
QgsMapToolEmitPoint::canvasMoveEvent
void canvasMoveEvent(QgsMapMouseEvent *e) override
Mouse move event for overriding. Default implementation does nothing.
Definition
qgsmaptoolemitpoint.cpp:29
QgsMapToolEmitPoint::QgsMapToolEmitPoint
QgsMapToolEmitPoint(QgsMapCanvas *canvas)
constructor
Definition
qgsmaptoolemitpoint.cpp:24
QgsMapToolEmitPoint::canvasPressEvent
void canvasPressEvent(QgsMapMouseEvent *e) override
Mouse press event for overriding. Default implementation does nothing.
Definition
qgsmaptoolemitpoint.cpp:34
QgsMapTool::canvas
QgsMapCanvas * canvas() const
returns pointer to the tool's map canvas
Definition
qgsmaptool.cpp:223
QgsMapTool::QgsMapTool
QgsMapTool(QgsMapCanvas *canvas)
Constructor takes a map canvas as a parameter.
Definition
qgsmaptool.cpp:30
QgsMapTool::toMapCoordinates
QgsPointXY toMapCoordinates(QPoint point)
Transforms a point from screen coordinates to map coordinates.
Definition
qgsmaptool.cpp:44
QgsMapTool::QgsMapCanvas
friend class QgsMapCanvas
Definition
qgsmaptool.h:380
QgsPointXY
Represents a 2D point.
Definition
qgspointxy.h:60
qgsmapcanvas.h
qgsmapmouseevent.h
qgsmaptoolemitpoint.h
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