void QgsMapToolCircularStringRadius::cadCanvasReleaseEvent( QgsMapMouseEvent* e )
{
QgsPointV2 mapPoint( e->mapPoint() );
if ( e->button() == Qt::LeftButton )
{
if ( mPoints.isEmpty() )
{
mPoints.append( mapPoint );
}
else
{
if ( mPoints.size() % 2 )
{
mTemporaryEndPoint = mapPoint;
//initial radius is distance( tempPoint - mPoints.last ) / 2.0
double minRadius = sqrt( QgsGeometryUtils::sqrDistance2D( mPoints.last(), mTemporaryEndPoint ) ) / 2.0;
mRadius = minRadius + minRadius / 10.0;
QgsPointV2 result;
if ( QgsGeometryUtils::segmentMidPoint( mPoints.last(), mTemporaryEndPoint, result, mRadius, QgsPointV2( mapPoint.x(), mapPoint.y() ) ) )
{
mPoints.append( result );
createRadiusSpinBox();
if ( mRadiusSpinBox )
{
mRadiusSpinBox->setMinimum( minRadius );
}
}
}
else
{
mPoints.append( mTemporaryEndPoint );
deleteRadiusSpinBox();
}
recalculateRubberBand();
recalculateTempRubberBand( e->mapPoint() );
}
}
else if ( e->button() == Qt::RightButton )
{
if ( !( mPoints.size() % 2 ) )
mPoints.removeLast();
deactivate();
if ( mParentTool )
{
mParentTool->canvasReleaseEvent( e );
}
}
}
void QgsMapToolCircularStringRadius::cadCanvasReleaseEvent( QgsMapMouseEvent* e )
{
QgsPointV2 mapPoint( e->mapPoint().x(), e->mapPoint().y() );
if ( e->button() == Qt::LeftButton )
{
if ( mPoints.isEmpty() )
{
//get first point from parent tool if there. Todo: move to upper class
const QgsCompoundCurveV2* compoundCurve = mParentTool->captureCurve();
if ( compoundCurve && compoundCurve->nCurves() > 0 )
{
const QgsCurveV2* curve = compoundCurve->curveAt( compoundCurve->nCurves() - 1 );
if ( curve )
{
//mParentTool->captureCurve() is in layer coordinates, but we need map coordinates
QgsPointV2 endPointLayerCoord = curve->endPoint();
QgsPoint mapPoint = toMapCoordinates( mCanvas->currentLayer(), QgsPoint( endPointLayerCoord.x(), endPointLayerCoord.y() ) );
mPoints.append( QgsPointV2( mapPoint.x(), mapPoint.y() ) );
}
}
else
{
mPoints.append( mapPoint );
return;
}
}
if ( mPoints.size() % 2 == 1 )
{
if ( !mRadiusMode )
{
delete mRubberBand; mRubberBand = 0;
mTemporaryEndPointX = mapPoint.x();
mTemporaryEndPointY = mapPoint.y();
mRadiusMode = true;
//initial radius is distance( tempPoint - mPoints.last ) / 2.0
double minRadius = sqrt( QgsGeometryUtils::sqrDistance2D( mPoints.last(), QgsPointV2( mTemporaryEndPointX, mTemporaryEndPointY ) ) ) / 2.0;
mRadius = minRadius + minRadius / 10.0;
recalculateCircularString();
createRadiusSpinBox();
if ( mRadiusSpinBox )
{
mRadiusSpinBox->setMinimum( minRadius );
}
}
else
{
QgsPointV2 result;
if ( QgsGeometryUtils::segmentMidPoint( mPoints.last(), QgsPointV2( mTemporaryEndPointX, mTemporaryEndPointY ), result, mRadius, QgsPointV2( mapPoint.x(), mapPoint.y() ) ) )
{
mPoints.append( result );
mPoints.append( QgsPointV2( mTemporaryEndPointX, mTemporaryEndPointY ) );
}
mRadiusMode = false;
deleteRadiusSpinBox();
}
}
else
{
//can we get there?
}
}
else if ( e->button() == Qt::RightButton )
{
deactivate();
if ( mParentTool )
{
mParentTool->canvasReleaseEvent( e );
}
}
}