19#include <QStandardItem>
57 if ( !abstractMetadata )
59 QgsDebugError(
"Failed to find symbol layer's entry in registry: " + name );
65 QgsDebugError(
"Failed to cast symbol layer's metadata: " + name );
72static void _initWidgetFunctions()
74 static bool sInitialized =
false;
122 connect( mEnabledCheckBox, &QCheckBox::toggled,
this, &QgsLayerPropertiesWidget::mEnabledCheckBox_toggled );
126 _initWidgetFunctions();
140 cboLayerType->setCurrentIndex( idx );
142 connect( mEnabledCheckBox, &QAbstractButton::toggled, mEnabledDDBtn, &QWidget::setEnabled );
182 mEffectWidget->setDockMode( this->
dockMode() );
189 const auto constSymbolLayerIds = symbolLayerIds;
190 for (
const QString &symbolLayerId : constSymbolLayerIds )
196 const auto constLineLayerIds = lineLayerIds;
197 for (
const QString &lineLayerId : constLineLayerIds )
202 const QString visibleName = layerInfo->
visibleName();
203 const QString name = tr(
"Outline: %1" ).arg( visibleName );
204 cboLayerType->addItem( name, lineLayerId );
212 if ( stackedWidget->currentWidget() != pageDummy )
215 if (
QgsSymbolLayerWidget *w = qobject_cast< QgsSymbolLayerWidget * >( stackedWidget->currentWidget() ) )
217 stackedWidget->removeWidget( stackedWidget->currentWidget() );
222 const QString layerType = layer->
layerType();
231 stackedWidget->addWidget( w );
232 stackedWidget->setCurrentWidget( w );
240 stackedWidget->setCurrentWidget( pageDummy );
246 return *lExpressionContext;
249 if (
auto *lMapCanvas = mContext.
mapCanvas() )
251 expContext = lMapCanvas->createExpressionContext();
270 expContext << symbolScope;
297 << QStringLiteral(
"symbol_layer_count" ) << QStringLiteral(
"symbol_layer_index" )
298 << QStringLiteral(
"symbol_frame" ) );
310void QgsLayerPropertiesWidget::updateProperty()
323 const QString newLayerType = cboLayerType->currentData().toString();
324 if ( layer->
layerType() == newLayerType )
341 if ( generator->subSymbol() && generator->subSymbol()->symbolLayerCount() > 0 )
342 properties = generator->subSymbol()->symbolLayer( 0 )->properties();
359 std::unique_ptr< QgsMarkerSymbol > markerSymbol = std::make_unique< QgsMarkerSymbol >(
QgsSymbolLayerList( {layer->
clone() } ) );
361 generator->setSubSymbol( markerSymbol.release() );
366 std::unique_ptr< QgsLineSymbol > lineSymbol = std::make_unique< QgsLineSymbol >(
QgsSymbolLayerList( {layer->
clone() } ) );
368 generator->setSubSymbol( lineSymbol.release() );
373 std::unique_ptr< QgsFillSymbol > fillSymbol = std::make_unique< QgsFillSymbol >(
QgsSymbolLayerList( {layer->
clone() } ) );
375 generator->setSubSymbol( fillSymbol.release() );
396 const QString defaultFont = fontMarker->fontFamily();
397 const QFontDatabase fontDb;
398 if ( !fontDb.hasFamily( defaultFont ) )
401 const QStringList candidates = fontDb.families( QFontDatabase::WritingSystem::Symbol );
402 bool foundGoodCandidate =
false;
403 for (
const QString &candidate : candidates )
405 if ( fontDb.writingSystems( candidate ).size() == 1 )
408 fontMarker->setFontFamily( candidate );
409 foundGoodCandidate =
true;
413 if ( !foundGoodCandidate && !candidates.empty() )
416 QString candidate = candidates.at( 0 );
417 fontMarker->setFontFamily( candidate );
422 const QFontMetrics fontMetrics( fontMarker->fontFamily() );
423 ushort character = fontMarker->character().at( 0 ).unicode();
424 for ( ; character < 1000; ++character )
426 if ( fontMetrics.inFont( QChar( character ) ) )
428 fontMarker->setCharacter( QChar( character ) );
443 bool paintEffectToggled =
false;
447 paintEffectToggled =
true;
450 if ( paintEffectToggled )
457void QgsLayerPropertiesWidget::reloadLayer()
462void QgsLayerPropertiesWidget::mEnabledCheckBox_toggled(
bool enabled )
@ Millimeters
Millimeters.
static QgsSymbolLayerRegistry * symbolLayerRegistry()
Returns the application's symbol layer registry, used for managing symbol layers.
Single scope for storing variables and functions for use within a QgsExpressionContext.
void addVariable(const QgsExpressionContextScope::StaticVariable &variable)
Adds a variable into the context scope.
static QgsExpressionContextScope * updateSymbolScope(const QgsSymbol *symbol, QgsExpressionContextScope *symbolScope=nullptr)
Updates a symbol scope related to a QgsSymbol to an expression context.
static QgsExpressionContextScope * projectScope(const QgsProject *project)
Creates a new scope which contains variables and functions relating to a QGIS project.
static QgsExpressionContextScope * atlasScope(const QgsLayoutAtlas *atlas)
Creates a new scope which contains variables and functions relating to a QgsLayoutAtlas.
static QgsExpressionContextScope * mapSettingsScope(const QgsMapSettings &mapSettings)
Creates a new scope which contains variables and functions relating to a QgsMapSettings object.
static QgsExpressionContextScope * layerScope(const QgsMapLayer *layer)
Creates a new scope which contains variables and functions relating to a QgsMapLayer.
static QgsExpressionContextScope * globalScope()
Creates a new scope which contains variables and functions relating to the global QGIS context.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
static const QString EXPR_GEOMETRY_PART_COUNT
Inbuilt variable name for geometry part count variable.
static const QString EXPR_GEOMETRY_POINT_COUNT
Inbuilt variable name for point count variable.
static const QString EXPR_CLUSTER_SIZE
Inbuilt variable name for cluster size variable.
static const QString EXPR_GEOMETRY_POINT_NUM
Inbuilt variable name for point number variable.
void setOriginalValueVariable(const QVariant &value)
Sets the original value variable value for the context.
static const QString EXPR_GEOMETRY_RING_NUM
Inbuilt variable name for geometry ring number variable.
static const QString EXPR_GEOMETRY_PART_NUM
Inbuilt variable name for geometry part number variable.
static const QString EXPR_SYMBOL_COLOR
Inbuilt variable name for symbol color variable.
QgsExpressionContextScope * lastScope()
Returns the last scope added to the context.
void appendScope(QgsExpressionContextScope *scope)
Appends a scope to the end of the context.
void setHighlightedVariables(const QStringList &variableNames)
Sets the list of variable names within the context intended to be highlighted to the user.
static const QString EXPR_ORIGINAL_VALUE
Inbuilt variable name for value original value variable.
static const QString EXPR_CLUSTER_COLOR
Inbuilt variable name for cluster color variable.
A symbol layer subclass which alters rendered feature shapes through the use of QGIS expressions.
The QgsMapSettings class contains configuration for rendering of the map.
Struct for storing maximum and minimum scales for measurements in map units.
static QgsPaintEffect * defaultStack()
Returns a new effect stack consisting of a sensible selection of default effects.
void setEnabled(bool enabled)
Sets whether the effect is enabled.
bool enabled() const
Returns whether the effect is enabled.
static QgsProject * instance()
Returns the QgsProject singleton instance.
Registry of available symbol layer classes.
QStringList symbolLayersForType(Qgis::SymbolType type)
Returns a list of available symbol layers for a specified symbol type.
QgsSymbolLayerAbstractMetadata * symbolLayerMetadata(const QString &name) const
Returns metadata for specified symbol layer. Returns nullptr if not found.
static QPicture symbolLayerPreviewPicture(const QgsSymbolLayer *layer, Qgis::RenderUnit units, QSize size, const QgsMapUnitScale &scale=QgsMapUnitScale(), Qgis::SymbolType parentSymbolType=Qgis::SymbolType::Hybrid)
Draws a symbol layer preview to a QPicture.
virtual QgsSymbolLayer * clone() const =0
Shall be reimplemented by subclasses to create a deep copy of the instance.
virtual bool setSubSymbol(QgsSymbol *symbol)
Sets layer's subsymbol. takes ownership of the passed symbol.
Property
Data definable properties.
@ LayerEnabled
Whether symbol layer is enabled.
void setPaintEffect(QgsPaintEffect *effect)
Sets the current paint effect for the layer.
QgsPaintEffect * paintEffect() const
Returns the current paint effect for the layer.
void setEnabled(bool enabled)
Sets whether symbol layer is enabled and should be drawn.
virtual QVariantMap properties() const =0
Should be reimplemented by subclasses to return a string map that contains the configuration informat...
bool enabled() const
Returns true if symbol layer is enabled and will be drawn.
virtual QString layerType() const =0
Returns a string that represents this layer type.
virtual void setDataDefinedProperty(Property key, const QgsProperty &property)
Sets a data defined property for the layer.
virtual QgsSymbol * subSymbol()
Returns the symbol's sub symbol, if present.
virtual QColor color() const
Returns the "representative" color of the symbol layer.
static const QgsPropertiesDefinition & propertyDefinitions()
Returns the symbol layer property definitions.
QgsPropertyCollection & dataDefinedProperties()
Returns a reference to the symbol layer's property collection, used for data defined overrides.
Contains settings which reflect the context in which a symbol (or renderer) widget is shown,...
QList< QgsExpressionContextScope > additionalExpressionContextScopes() const
Returns the list of additional expression context scopes to show as available within the layer.
void setSymbolType(Qgis::SymbolType type)
Sets the associated symbol type, if the widget is being shown as a subcomponent of a parent symbol co...
QgsExpressionContext * expressionContext() const
Returns the expression context used for the widget, if set.
QgsMapCanvas * mapCanvas() const
Returns the map canvas associated with the widget.
Abstract base class for all rendered symbols.
virtual QgsSymbol * clone() const =0
Returns a deep copy of this symbol.
Qgis::SymbolType type() const
Returns the symbol's type.
Represents a vector layer which manages a vector based data sets.
#define QgsDebugError(str)
QList< QgsSymbolLayer * > QgsSymbolLayerList
QgsSymbolLayerWidget *(* QgsSymbolLayerWidgetFunc)(QgsVectorLayer *)
Single variable definition for use within a QgsExpressionContextScope.