void QgsSymbolsListWidget::updateDataDefinedLineWidth()
{
QgsLineSymbol *lineSymbol = static_cast<QgsLineSymbol *>( mSymbol );
QgsProperty dd( mWidthDDBtn->toProperty() );
spinWidth->setEnabled( !mWidthDDBtn->isActive() );
QgsProperty symbolDD( lineSymbol->dataDefinedWidth() );
if ( // shall we remove datadefined expressions for layers ?
( !symbolDD && !dd )
// shall we set the "en masse" expression for properties ?
|| dd )
{
lineSymbol->setDataDefinedWidth( dd );
emit changed();
}
}
void QgsSymbolsListWidget::updateSymbolInfo()
{
updateSymbolColor();
const auto overrideButtons {findChildren< QgsPropertyOverrideButton * >()};
for ( QgsPropertyOverrideButton *button : overrideButtons )
{
button->registerExpressionContextGenerator( this );
}
if ( mSymbol->type() == QgsSymbol::Marker )
{
QgsMarkerSymbol *markerSymbol = static_cast<QgsMarkerSymbol *>( mSymbol );
spinSize->setValue( markerSymbol->size() );
spinAngle->setValue( markerSymbol->angle() );
if ( mLayer )
{
QgsProperty ddSize( markerSymbol->dataDefinedSize() );
mSizeDDBtn->init( QgsSymbolLayer::PropertySize, ddSize, QgsSymbolLayer::propertyDefinitions(), mLayer, true );
spinSize->setEnabled( !mSizeDDBtn->isActive() );
QgsProperty ddAngle( markerSymbol->dataDefinedAngle() );
mRotationDDBtn->init( QgsSymbolLayer::PropertyAngle, ddAngle, QgsSymbolLayer::propertyDefinitions(), mLayer, true );
spinAngle->setEnabled( !mRotationDDBtn->isActive() );
}
else
{
mSizeDDBtn->setEnabled( false );
mRotationDDBtn->setEnabled( false );
}
}
else if ( mSymbol->type() == QgsSymbol::Line )
{
QgsLineSymbol *lineSymbol = static_cast<QgsLineSymbol *>( mSymbol );
spinWidth->setValue( lineSymbol->width() );
if ( mLayer )
{
QgsProperty dd( lineSymbol->dataDefinedWidth() );
mWidthDDBtn->init( QgsSymbolLayer::PropertyStrokeWidth, dd, QgsSymbolLayer::propertyDefinitions(), mLayer, true );
spinWidth->setEnabled( !mWidthDDBtn->isActive() );
}
else
{
mWidthDDBtn->setEnabled( false );
}
}
mSymbolUnitWidget->blockSignals( true );
mSymbolUnitWidget->setUnit( mSymbol->outputUnit() );
mSymbolUnitWidget->setMapUnitScale( mSymbol->mapUnitScale() );
mSymbolUnitWidget->blockSignals( false );
mOpacityWidget->setOpacity( mSymbol->opacity() );
// Clean up previous advanced symbol actions
const QList<QAction *> actionList( btnAdvanced->menu()->actions() );
for ( const auto &action : actionList )
{
if ( mClipFeaturesAction->text() == action->text() )
{
btnAdvanced->menu()->removeAction( action );
}
else if ( mStandardizeRingsAction->text() == action->text() )
{
btnAdvanced->menu()->removeAction( action );
}
}
if ( mSymbol->type() == QgsSymbol::Line || mSymbol->type() == QgsSymbol::Fill )
{
//add clip features option for line or fill symbols
btnAdvanced->menu()->addAction( mClipFeaturesAction );
}
if ( mSymbol->type() == QgsSymbol::Fill )
{
btnAdvanced->menu()->addAction( mStandardizeRingsAction );
}
btnAdvanced->setVisible( mAdvancedMenu || !btnAdvanced->menu()->isEmpty() );
whileBlocking( mClipFeaturesAction )->setChecked( mSymbol->clipFeaturesToExtent() );
whileBlocking( mStandardizeRingsAction )->setChecked( mSymbol->forceRHR() );
}