QGIS/src/app/qgsmaptooladdregularpolygon.cpp

121 lines
3.2 KiB
C++

/***************************************************************************
qgsmaptooladdregularpolygon.cpp - map tool for adding regular polygon
---------------------
begin : July 2017
copyright : (C) 2017
email : lbartoletti at tuxfamily dot org
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsmaptooladdregularpolygon.h"
#include "qgscompoundcurve.h"
#include "qgscurvepolygon.h"
#include "qgsgeometryrubberband.h"
#include "qgsgeometryutils.h"
#include "qgsmapcanvas.h"
#include "qgspoint.h"
#include "qgisapp.h"
#include "qgsstatusbar.h"
QgsMapToolAddRegularPolygon::QgsMapToolAddRegularPolygon( QgsMapToolCapture *parentTool, QgsMapCanvas *canvas, CaptureMode mode )
: QgsMapToolCapture( canvas, QgisApp::instance()->cadDockWidget(), mode )
, mParentTool( parentTool )
, mRegularPolygon( QgsRegularPolygon() )
{
clean();
}
QgsMapToolAddRegularPolygon::~QgsMapToolAddRegularPolygon()
{
clean();
}
void QgsMapToolAddRegularPolygon::createNumberSidesSpinBox()
{
deleteNumberSidesSpinBox();
mNumberSidesSpinBox = new QSpinBox();
mNumberSidesSpinBox->setMaximum( 99999999 );
mNumberSidesSpinBox->setMinimum( 3 );
mNumberSidesSpinBox->setPrefix( tr( "Number of sides: " ) );
mNumberSidesSpinBox->setValue( mNumberSides );
QgisApp::instance()->addUserInputWidget( mNumberSidesSpinBox );
mNumberSidesSpinBox->setFocus( Qt::TabFocusReason );
}
void QgsMapToolAddRegularPolygon::deleteNumberSidesSpinBox()
{
if ( mNumberSidesSpinBox )
{
QgisApp::instance()->statusBarIface()->removeWidget( mNumberSidesSpinBox );
delete mNumberSidesSpinBox;
mNumberSidesSpinBox = nullptr;
}
}
void QgsMapToolAddRegularPolygon::keyPressEvent( QKeyEvent *e )
{
if ( e && e->isAutoRepeat() )
{
return;
}
if ( e && e->key() == Qt::Key_Escape )
{
clean();
if ( mParentTool )
mParentTool->keyPressEvent( e );
}
}
void QgsMapToolAddRegularPolygon::keyReleaseEvent( QKeyEvent *e )
{
if ( e && e->isAutoRepeat() )
{
return;
}
}
void QgsMapToolAddRegularPolygon::deactivate()
{
if ( !mParentTool || mRegularPolygon.isEmpty() )
{
return;
}
mParentTool->clearCurve( );
mParentTool->addCurve( mRegularPolygon.toLineString() );
clean();
QgsMapToolCapture::deactivate();
}
void QgsMapToolAddRegularPolygon::activate()
{
clean();
QgsMapToolCapture::activate();
}
void QgsMapToolAddRegularPolygon::clean()
{
if ( mTempRubberBand )
{
delete mTempRubberBand;
mTempRubberBand = nullptr;
}
mPoints.clear();
if ( mParentTool )
{
mParentTool->deleteTempRubberBand();
}
if ( mNumberSidesSpinBox )
{
deleteNumberSidesSpinBox();
}
mRegularPolygon = QgsRegularPolygon();
}