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, &QgsPanelWidget::widgetChanged, this, &QgsComposerMapGridWidget::updateGridMarkerStyleFromWidget );
connect( d, &QgsPanelWidget::panelAccepted, this, &QgsComposerMapGridWidget::cleanUpGridMarkerStyleSelector );
openPanel( d );
mComposerMap->beginCommand( tr( "Grid markers style changed" ) );
}
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();
QgsSymbolSelectorWidget* d = new QgsSymbolSelectorWidget( newSymbol, QgsStyle::defaultStyle(), coverageLayer, nullptr );
QgsSymbolWidgetContext symbolContext;
symbolContext.setExpressionContext( &context );
d->setContext( symbolContext );
connect( d, SIGNAL( widgetChanged() ), this, SLOT( updateSymbolFromWidget() ) );
connect( d, SIGNAL( panelAccepted( QgsPanelWidget* ) ), this, SLOT( cleanUpSymbolSelector( QgsPanelWidget* ) ) );
openPanel( d );
mComposerShape->beginCommand( tr( "Shape style changed" ) );
}
void QgsPointDisplacementRendererWidget::on_mCenterSymbolPushButton_clicked()
{
if ( !mRenderer || !mRenderer->centerSymbol() )
{
return;
}
QgsMarkerSymbol* markerSymbol = mRenderer->centerSymbol()->clone();
QgsSymbolSelectorWidget* dlg = new QgsSymbolSelectorWidget( markerSymbol, QgsStyle::defaultStyle(), mLayer, this );
dlg->setPanelTitle( tr( "Center symbol" ) );
QgsSymbolWidgetContext context = mContext;
QgsExpressionContextScope scope;
scope.addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_CLUSTER_COLOR, "", true ) );
scope.addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_CLUSTER_SIZE, 0, true ) );
QList< QgsExpressionContextScope > scopes = context.additionalExpressionContextScopes();
scopes << scope;
context.setAdditionalExpressionContextScopes( scopes );
dlg->setContext( context );
connect( dlg, SIGNAL( widgetChanged() ), this, SLOT( updateCenterSymbolFromWidget() ) );
connect( dlg, SIGNAL( panelAccepted( QgsPanelWidget* ) ), this, SLOT( cleanUpSymbolSelector( QgsPanelWidget* ) ) );
openPanel( dlg );
}
void QgsComposerArrowWidget::updateLineStyleFromWidget()
{
QgsSymbolSelectorWidget *w = qobject_cast<QgsSymbolSelectorWidget *>( sender() );
mArrow->setLineSymbol( dynamic_cast< QgsLineSymbol * >( w->symbol()->clone() ) );
mArrow->update();
}
void QgsComposerPolygonWidget::updateStyleFromWidget()
{
QgsSymbolSelectorWidget* w = qobject_cast<QgsSymbolSelectorWidget*>( sender() );
mComposerPolygon->setPolygonStyleSymbol( dynamic_cast< QgsFillSymbol* >( w->symbol() ) );
mComposerPolygon->update();
}
void QgsComposerShapeWidget::updateSymbolFromWidget()
{
QgsSymbolSelectorWidget* w = qobject_cast<QgsSymbolSelectorWidget*>( sender() );
mComposerShape->setShapeStyleSymbol( dynamic_cast< QgsFillSymbol* >( w->symbol() ) );
}
