void QgsComposerPolygonWidget::on_mPolygonStyleButton_clicked() { if ( !mComposerPolygon ) { return; } // use the atlas coverage layer, if any QgsVectorLayer* coverageLayer = atlasCoverageLayer(); QScopedPointer<QgsFillSymbol> newSymbol; newSymbol.reset( mComposerPolygon->polygonStyleSymbol()->clone() ); QgsExpressionContext context = mComposerPolygon->createExpressionContext(); QgsSymbolSelectorDialog d( newSymbol.data(), QgsStyle::defaultStyle(), coverageLayer, this ); QgsSymbolWidgetContext symbolContext; symbolContext.setExpressionContext( &context ); d.setContext( symbolContext ); if ( d.exec() == QDialog::Accepted ) { mComposerPolygon->beginCommand( tr( "Polygon style changed" ) ); mComposerPolygon->setPolygonStyleSymbol( newSymbol.data() ); updatePolygonStyle(); mComposerPolygon->endCommand(); } }
void QgsDataDefinedSizeLegendWidget::changeSymbol() { std::unique_ptr<QgsMarkerSymbol> newSymbol( mSourceSymbol->clone() ); QgsSymbolWidgetContext context; if ( mMapCanvas ) context.setMapCanvas( mMapCanvas ); QgsExpressionContext ec; ec << QgsExpressionContextUtils::globalScope() << QgsExpressionContextUtils::projectScope( QgsProject::instance() ) << QgsExpressionContextUtils::atlasScope( nullptr ); if ( mMapCanvas ) ec << QgsExpressionContextUtils::mapSettingsScope( mMapCanvas->mapSettings() ); context.setExpressionContext( &ec ); QString crsAuthId = mMapCanvas ? mMapCanvas->mapSettings().destinationCrs().authid() : QString(); std::unique_ptr<QgsVectorLayer> layer( new QgsVectorLayer( "Point?crs=" + crsAuthId, "tmp", "memory" ) ); QgsSymbolSelectorDialog d( newSymbol.get(), QgsStyle::defaultStyle(), layer.get(), this ); d.setContext( context ); if ( d.exec() != QDialog::Accepted ) return; mSourceSymbol.reset( newSymbol.release() ); QIcon icon = QgsSymbolLayerUtils::symbolPreviewIcon( mSourceSymbol.get(), btnChangeSymbol->iconSize() ); btnChangeSymbol->setIcon( icon ); emit widgetChanged(); }
void QgsComposerShapeWidget::on_mShapeStyleButton_clicked() { if ( !mComposerShape ) { return; } // use the atlas coverage layer, if any QgsVectorLayer* coverageLayer = atlasCoverageLayer(); QgsFillSymbol* newSymbol = mComposerShape->shapeStyleSymbol()->clone(); QgsExpressionContext context = mComposerShape->createExpressionContext(); QgsSymbolSelectorDialog d( newSymbol, QgsStyle::defaultStyle(), coverageLayer, this ); QgsSymbolWidgetContext symbolContext; symbolContext.setExpressionContext( &context ); d.setContext( symbolContext ); if ( d.exec() == QDialog::Accepted ) { mComposerShape->beginCommand( tr( "Shape style changed" ) ); mComposerShape->setShapeStyleSymbol( newSymbol ); updateShapeStyle(); mComposerShape->endCommand(); } delete newSymbol; }
void QgsComposerArrowWidget::mLineStyleButton_clicked() { if ( !mArrow ) { return; } // use the atlas coverage layer, if any QgsVectorLayer *coverageLayer = atlasCoverageLayer(); QgsLineSymbol *newSymbol = mArrow->lineSymbol()->clone(); QgsExpressionContext context = mArrow->createExpressionContext(); QgsSymbolSelectorWidget *d = new QgsSymbolSelectorWidget( newSymbol, QgsStyle::defaultStyle(), coverageLayer, nullptr ); QgsSymbolWidgetContext symbolContext; symbolContext.setExpressionContext( &context ); d->setContext( symbolContext ); connect( d, &QgsPanelWidget::widgetChanged, this, &QgsComposerArrowWidget::updateLineStyleFromWidget ); connect( d, &QgsPanelWidget::panelAccepted, this, &QgsComposerArrowWidget::cleanUpLineStyleSelector ); openPanel( d ); mArrow->beginCommand( tr( "Arrow line style changed" ) ); }
void QgsComposerPolygonWidget::on_mPolygonStyleButton_clicked() { if ( !mComposerPolygon ) { return; } // use the atlas coverage layer, if any QgsVectorLayer* coverageLayer = atlasCoverageLayer(); QgsFillSymbol* newSymbol = mComposerPolygon->polygonStyleSymbol()->clone(); QgsExpressionContext context = mComposerPolygon->createExpressionContext(); QgsSymbolSelectorWidget* d = new QgsSymbolSelectorWidget( newSymbol, QgsStyle::defaultStyle(), coverageLayer, nullptr ); QgsSymbolWidgetContext symbolContext; symbolContext.setExpressionContext( &context ); d->setContext( symbolContext ); connect( d, SIGNAL( widgetChanged() ), this, SLOT( updateStyleFromWidget() ) ); connect( d, SIGNAL( panelAccepted( QgsPanelWidget* ) ), this, SLOT( cleanUpStyleSelector( QgsPanelWidget* ) ) ); openPanel( d ); mComposerPolygon->beginCommand( tr( "Polygon style changed" ) ); }
void QgsComposerMapGridWidget::on_mGridMarkerStyleButton_clicked() { if ( !mComposerMapGrid || !mComposerMap ) { return; } // use the atlas coverage layer, if any QgsVectorLayer* coverageLayer = atlasCoverageLayer(); QgsMarkerSymbol* newSymbol = static_cast<QgsMarkerSymbol*>( mComposerMapGrid->markerSymbol()->clone() ); QgsExpressionContext context = mComposerMap->createExpressionContext(); QgsSymbolSelectorWidget* d = new QgsSymbolSelectorWidget( newSymbol, QgsStyle::defaultStyle(), coverageLayer, nullptr ); QgsSymbolWidgetContext symbolContext; symbolContext.setExpressionContext( &context ); d->setContext( symbolContext ); connect( d, SIGNAL( widgetChanged() ), this, SLOT( updateGridMarkerStyleFromWidget() ) ); connect( d, SIGNAL( panelAccepted( QgsPanelWidget* ) ), this, SLOT( cleanUpGridMarkerStyleSelector( QgsPanelWidget* ) ) ); openPanel( d ); mComposerMap->beginCommand( tr( "Grid markers style changed" ) ); }