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66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/***************************************************************************
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qgmaptoolcirclecenterpoint.cpp - map tool for adding circle
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from center and a point
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---------------------
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begin : July 2017
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copyright : (C) 2017 by Loïc Bartoletti
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email : lbartoletti at tuxfamily dot org
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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 "qgsmaptoolcirclecenterpoint.h"
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#include "qgsgeometryrubberband.h"
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#include "qgsmapcanvas.h"
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#include "qgspoint.h"
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#include <QMouseEvent>
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QgsMapToolCircleCenterPoint::QgsMapToolCircleCenterPoint( QgsMapToolCapture *parentTool,
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QgsMapCanvas *canvas, CaptureMode mode )
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: QgsMapToolAddCircle( parentTool, canvas, mode )
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{
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}
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void QgsMapToolCircleCenterPoint::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
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{
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QgsPoint mapPoint( e->mapPoint() );
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if ( e->button() == Qt::LeftButton )
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{
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mPoints.append( mapPoint );
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if ( !mPoints.isEmpty() )
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{
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if ( !mTempRubberBand )
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{
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mTempRubberBand = createGeometryRubberBand( ( mode() == CapturePolygon ) ? QgsWkbTypes::PolygonGeometry : QgsWkbTypes::LineGeometry, true );
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mTempRubberBand->show();
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}
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}
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}
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else if ( e->button() == Qt::RightButton )
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{
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deactivate();
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if ( mParentTool )
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{
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mParentTool->canvasReleaseEvent( e );
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}
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}
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}
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void QgsMapToolCircleCenterPoint::cadCanvasMoveEvent( QgsMapMouseEvent *e )
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{
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QgsPoint mapPoint( e->mapPoint() );
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if ( mTempRubberBand )
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{
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mCircle = QgsCircle().fromCenterPoint( mPoints.at( 0 ), mapPoint );
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mTempRubberBand->setGeometry( mCircle.toPolygon() );
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}
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}
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