mirror of
https://github.com/qgis/QGIS.git
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734 lines
19 KiB
Plaintext
734 lines
19 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/layertree/qgslayertreemodellegendnode.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsLayerTreeModelLegendNode : QObject
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{
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%Docstring(signature="appended")
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The :py:class:`QgsLegendRendererItem` class is abstract interface for legend items
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returned from :py:class:`QgsMapLayerLegend` implementation.
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The objects are used in :py:class:`QgsLayerTreeModel`. Custom implementations may offer additional interactivity
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and customized look.
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.. versionadded:: 2.6
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%End
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%TypeHeaderCode
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#include "qgslayertreemodellegendnode.h"
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#include "qgscolorramplegendnode.h"
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%End
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%ConvertToSubClassCode
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if ( qobject_cast<QgsSymbolLegendNode *> ( sipCpp ) )
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sipType = sipType_QgsSymbolLegendNode;
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else if ( qobject_cast<QgsDataDefinedSizeLegendNode *> ( sipCpp ) )
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sipType = sipType_QgsDataDefinedSizeLegendNode;
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else if ( qobject_cast<QgsImageLegendNode *> ( sipCpp ) )
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sipType = sipType_QgsImageLegendNode;
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else if ( qobject_cast<QgsRasterSymbolLegendNode *> ( sipCpp ) )
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sipType = sipType_QgsRasterSymbolLegendNode;
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else if ( qobject_cast<QgsSimpleLegendNode *> ( sipCpp ) )
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sipType = sipType_QgsSimpleLegendNode;
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else if ( qobject_cast<QgsWmsLegendNode *> ( sipCpp ) )
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sipType = sipType_QgsWmsLegendNode;
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else if ( qobject_cast<QgsColorRampLegendNode *> ( sipCpp ) )
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sipType = sipType_QgsColorRampLegendNode;
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else
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sipType = 0;
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%End
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public:
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enum LegendNodeRoles
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{
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RuleKeyRole,
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ParentRuleKeyRole,
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NodeTypeRole,
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};
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enum NodeTypes
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{
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SimpleLegend,
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SymbolLegend,
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RasterSymbolLegend,
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ImageLegend,
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WmsLegend,
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DataDefinedSizeLegend,
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EmbeddedWidget,
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ColorRampLegend,
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};
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QgsLayerTreeLayer *layerNode() const;
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%Docstring
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Returns pointer to the parent layer node
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%End
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QgsLayerTreeModel *model() const;
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%Docstring
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Returns pointer to model owning this legend node
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%End
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virtual Qt::ItemFlags flags() const;
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%Docstring
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Returns item flags associated with the item. Default implementation returns Qt.ItemIsEnabled.
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%End
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virtual QVariant data( int role ) const = 0;
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%Docstring
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Returns data associated with the item. Must be implemented in derived class.
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%End
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virtual bool setData( const QVariant &value, int role );
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%Docstring
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Sets some data associated with the item. Default implementation does nothing and returns ``False``.
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%End
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virtual bool isEmbeddedInParent() const;
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virtual void setEmbeddedInParent( bool embedded );
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virtual QString userLabel() const;
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virtual void setUserLabel( const QString &userLabel );
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virtual QSizeF userPatchSize() const;
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%Docstring
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Returns the user (overridden) size for the legend node.
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If either the width or height are non-zero, they will be used when rendering the legend node instead of the default
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symbol width or height from :py:class:`QgsLegendSettings`.
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.. seealso:: :py:func:`setUserPatchSize`
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.. versionadded:: 3.14
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%End
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virtual void setUserPatchSize( QSizeF size );
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%Docstring
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Sets the user (overridden) ``size`` for the legend node.
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If either the width or height are non-zero, they will be used when rendering the legend node instead of the default
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symbol width or height from :py:class:`QgsLegendSettings`.
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.. seealso:: :py:func:`userPatchSize`
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.. versionadded:: 3.14
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%End
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virtual void setColumnBreak( bool breakBeforeNode );
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%Docstring
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Sets whether a forced column break should occur before the node.
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.. seealso:: :py:func:`columnBreak`
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.. versionadded:: 3.14
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%End
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virtual bool columnBreak() const;
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%Docstring
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Returns whether a forced column break should occur before the node.
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.. seealso:: :py:func:`setColumnBreak`
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.. versionadded:: 3.14
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%End
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virtual bool isScaleOK( double scale ) const;
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virtual void invalidateMapBasedData();
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%Docstring
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Notification from model that information from associated map view has changed.
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Default implementation does nothing.
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%End
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struct ItemContext
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{
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ItemContext();
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QgsRenderContext *context;
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QPainter *painter;
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QPointF point;
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double labelXOffset;
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double top;
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double columnLeft;
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double columnRight;
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double maxSiblingSymbolWidth;
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QgsLegendPatchShape patchShape;
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QSizeF patchSize;
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};
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struct ItemMetrics
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{
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QSizeF symbolSize;
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QSizeF labelSize;
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};
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virtual ItemMetrics draw( const QgsLegendSettings &settings, ItemContext *ctx );
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%Docstring
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Entry point called from :py:class:`QgsLegendRenderer` to do the rendering.
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Default implementation calls :py:func:`~QgsLayerTreeModelLegendNode.drawSymbol` and :py:func:`~QgsLayerTreeModelLegendNode.drawSymbolText` methods.
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If ctx is ``None``, this is just first stage when preparing layout - without actual rendering.
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%End
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QJsonObject exportToJson( const QgsLegendSettings &settings, const QgsRenderContext &context );
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%Docstring
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Entry point called from :py:class:`QgsLegendRenderer` to do the rendering in a
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JSON object.
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:param settings: Legend layout configuration
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:param context: Rendering context
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.. versionadded:: 3.8
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%End
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virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
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%Docstring
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Draws symbol on the left side of the item
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:param settings: Legend layout configuration
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:param ctx: Context for rendering - may be ``None`` if only doing layout without actual rendering
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:param itemHeight: Minimal height of the legend item - used for correct positioning when rendering
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:return: Real size of the symbol (may be bigger than "normal" symbol size from settings)
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%End
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virtual QJsonObject exportSymbolToJson( const QgsLegendSettings &settings, const QgsRenderContext &context ) const;
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%Docstring
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Adds a symbol in base64 string within a JSON object with the key "icon".
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:param settings: Legend layout configuration
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:param context: Rendering context
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.. versionadded:: 3.8
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%End
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virtual QSizeF drawSymbolText( const QgsLegendSettings &settings, ItemContext *ctx, QSizeF symbolSize ) const;
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%Docstring
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Draws label on the right side of the item
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:param settings: Legend layout configuration
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:param ctx: Context for rendering - may be ``None`` if only doing layout without actual rendering
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:param symbolSize: Real size of the associated symbol - used for correct positioning when rendering
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:return: Size of the label (may span multiple lines)
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%End
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public slots:
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void checkAllItems();
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%Docstring
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Checks all checkable items belonging to the same layer as this node.
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.. seealso:: :py:func:`uncheckAllItems`
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.. seealso:: :py:func:`toggleAllItems`
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.. versionadded:: 3.18
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%End
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void uncheckAllItems();
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%Docstring
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Unchecks all checkable items belonging to the same layer as this node.
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.. seealso:: :py:func:`checkAllItems`
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.. seealso:: :py:func:`toggleAllItems`
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.. versionadded:: 3.18
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%End
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void toggleAllItems();
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%Docstring
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Toggle all checkable items belonging to the same layer as this node.
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.. seealso:: :py:func:`checkAllItems`
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.. seealso:: :py:func:`uncheckAllItems`
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.. versionadded:: 3.18
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%End
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signals:
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void dataChanged();
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%Docstring
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Emitted on internal data change so the layer tree model can forward the signal to views
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%End
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void sizeChanged();
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%Docstring
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Emitted when the size of this node changes.
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.. versionadded:: 3.16
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%End
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protected:
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explicit QgsLayerTreeModelLegendNode( QgsLayerTreeLayer *nodeL, QObject *parent /TransferThis/ = 0 );
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%Docstring
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Construct the node with pointer to its parent layer node
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%End
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QgsRenderContext *createTemporaryRenderContext() const /Factory/;
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%Docstring
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Returns a temporary context or ``None`` if legendMapViewData are not valid
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%End
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protected:
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};
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class QgsSymbolLegendNode : QgsLayerTreeModelLegendNode
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{
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%Docstring(signature="appended")
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Implementation of legend node interface for displaying preview of vector symbols and their labels
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and allowing interaction with the symbol / renderer.
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.. versionadded:: 2.6
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%End
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%TypeHeaderCode
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#include "qgslayertreemodellegendnode.h"
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%End
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public:
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static double MINIMUM_SIZE;
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static double MAXIMUM_SIZE;
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QgsSymbolLegendNode( QgsLayerTreeLayer *nodeLayer, const QgsLegendSymbolItem &item, QObject *parent /TransferThis/ = 0 );
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%Docstring
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Constructor for QgsSymbolLegendNode.
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:param nodeLayer: layer node
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:param item: the legend symbol item
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:param parent: attach a parent QObject to the legend node.
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%End
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virtual Qt::ItemFlags flags() const;
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virtual QVariant data( int role ) const;
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virtual bool setData( const QVariant &value, int role );
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virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
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virtual QJsonObject exportSymbolToJson( const QgsLegendSettings &settings, const QgsRenderContext &context ) const;
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virtual void setEmbeddedInParent( bool embedded );
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virtual void setUserLabel( const QString &userLabel );
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virtual bool isScaleOK( double scale ) const;
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virtual void invalidateMapBasedData();
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void setIconSize( QSize sz );
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%Docstring
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Set the icon size
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.. versionadded:: 2.10
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%End
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QSize iconSize() const;
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%Docstring
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.. versionadded:: 2.10
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%End
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QSize minimumIconSize() const;
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%Docstring
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Calculates the minimum icon size to prevent cropping. When evaluating
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the size for multiple icons it is more efficient to create a single
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render context in advance and use the variant which accepts a :py:class:`QgsRenderContext`
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argument.
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.. versionadded:: 2.10
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%End
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QSize minimumIconSize( QgsRenderContext *context ) const;
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%Docstring
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Calculates the minimum icon size to prevent cropping. When evaluating
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the size for multiple icons it is more efficient to create a single
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render context in advance and call this method instead of :py:func:`~QgsSymbolLegendNode.minimumIconSize`.
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.. versionadded:: 2.18
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%End
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const QgsSymbol *symbol() const;
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%Docstring
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Returns the symbol used by the legend node.
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.. seealso:: :py:func:`setSymbol`
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.. versionadded:: 2.14
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%End
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void setSymbol( QgsSymbol *symbol /Transfer/ );
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%Docstring
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Sets the ``symbol`` to be used by the legend node. The symbol change is also propagated
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to the associated vector layer's renderer.
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:param symbol: new symbol for node. Ownership is transferred.
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.. seealso:: :py:func:`symbol`
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.. versionadded:: 2.14
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%End
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QString textOnSymbolLabel() const;
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%Docstring
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Returns label of text to be shown on top of the symbol.
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.. versionadded:: 3.2
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%End
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void setTextOnSymbolLabel( const QString &label );
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%Docstring
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Sets label of text to be shown on top of the symbol.
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.. versionadded:: 3.2
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%End
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QgsTextFormat textOnSymbolTextFormat() const;
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%Docstring
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Returns text format of the label to be shown on top of the symbol.
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.. versionadded:: 3.2
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%End
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void setTextOnSymbolTextFormat( const QgsTextFormat &format );
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%Docstring
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Sets format of text to be shown on top of the symbol.
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.. versionadded:: 3.2
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%End
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QString symbolLabel() const;
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%Docstring
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Label of the symbol, user defined label will be used, otherwise will default to the label made by QGIS.
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.. versionadded:: 3.10
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%End
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QgsLegendPatchShape patchShape() const;
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%Docstring
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Returns the symbol patch shape to use when rendering the legend node symbol.
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.. seealso:: :py:func:`setPatchShape`
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.. versionadded:: 3.14
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%End
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void setPatchShape( const QgsLegendPatchShape &shape );
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%Docstring
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Sets the symbol patch ``shape`` to use when rendering the legend node symbol.
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.. seealso:: :py:func:`patchShape`
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.. versionadded:: 3.14
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%End
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QgsSymbol *customSymbol() const;
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%Docstring
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Returns the node's custom symbol.
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If a non-``None`` value is returned, then this symbol will be used for rendering
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the legend node instead of the default :py:func:`~QgsSymbolLegendNode.symbol`.
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.. seealso:: :py:func:`setCustomSymbol`
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.. versionadded:: 3.14
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%End
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void setCustomSymbol( QgsSymbol *symbol /Transfer/ );
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%Docstring
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Sets the node's custom ``symbol``.
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If a non-``None`` value is set, then this symbol will be used for rendering
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the legend node instead of the default :py:func:`~QgsSymbolLegendNode.symbol`.
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Ownership of ``symbol`` is transferred.
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.. seealso:: :py:func:`customSymbol`
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.. versionadded:: 3.14
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%End
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QString evaluateLabel( const QgsExpressionContext &context = QgsExpressionContext(), const QString &label = QString() );
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%Docstring
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Evaluates and returns the text label of the current node
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:param context: extra :py:class:`QgsExpressionContext` to use for evaluating the expression
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:param label: text to evaluate instead of the layer layertree string
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.. versionadded:: 3.10
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%End
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};
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class QgsSimpleLegendNode : QgsLayerTreeModelLegendNode
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{
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%Docstring(signature="appended")
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Implementation of legend node interface for displaying arbitrary label with icon.
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.. versionadded:: 2.6
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%End
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%TypeHeaderCode
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|
#include "qgslayertreemodellegendnode.h"
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%End
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public:
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QgsSimpleLegendNode( QgsLayerTreeLayer *nodeLayer, const QString &label, const QIcon &icon = QIcon(), QObject *parent /TransferThis/ = 0, const QString &key = QString() );
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%Docstring
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Constructor for QgsSimpleLegendNode.
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:param nodeLayer: layer node
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:param label: label
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:param icon: icon
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:param parent: attach a parent QObject to the legend node.
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:param key: the rule key
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%End
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virtual QVariant data( int role ) const;
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};
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class QgsImageLegendNode : QgsLayerTreeModelLegendNode
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{
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%Docstring(signature="appended")
|
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Implementation of legend node interface for displaying arbitrary raster image
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.. versionadded:: 2.6
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%End
|
|
|
|
%TypeHeaderCode
|
|
#include "qgslayertreemodellegendnode.h"
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%End
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|
public:
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QgsImageLegendNode( QgsLayerTreeLayer *nodeLayer, const QImage &img, QObject *parent /TransferThis/ = 0 );
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%Docstring
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Constructor for QgsImageLegendNode.
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:param nodeLayer: layer node
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:param img: the image
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:param parent: attach a parent QObject to the legend node.
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%End
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virtual QVariant data( int role ) const;
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virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
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virtual QJsonObject exportSymbolToJson( const QgsLegendSettings &settings, const QgsRenderContext &context ) const;
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};
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class QgsRasterSymbolLegendNode : QgsLayerTreeModelLegendNode
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{
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%Docstring(signature="appended")
|
|
Implementation of legend node interface for displaying raster legend entries
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.. versionadded:: 2.6
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%End
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|
|
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%TypeHeaderCode
|
|
#include "qgslayertreemodellegendnode.h"
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%End
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public:
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QgsRasterSymbolLegendNode( QgsLayerTreeLayer *nodeLayer, const QColor &color, const QString &label, QObject *parent /TransferThis/ = 0, bool isCheckable = false, const QString &ruleKey = QString() );
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%Docstring
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Constructor for QgsRasterSymbolLegendNode.
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:param nodeLayer: layer node
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:param color: color
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:param label: label
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:param parent: attach a parent QObject to the legend node.
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:param isCheckable: set to ``True`` to enable the checkbox for the node (since QGIS 3.18)
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:param ruleKey: optional identifier to allow a unique ID to be assigned to the node by a renderer (since QGIS 3.18)
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%End
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virtual Qt::ItemFlags flags() const;
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|
virtual QVariant data( int role ) const;
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virtual bool setData( const QVariant &value, int role );
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|
|
virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
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virtual QJsonObject exportSymbolToJson( const QgsLegendSettings &settings, const QgsRenderContext &context ) const;
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QString ruleKey() const;
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%Docstring
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Returns the unique identifier of node for identification of the item within renderer.
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.. versionadded:: 3.18
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%End
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bool isCheckable() const;
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%Docstring
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Returns whether the item is user-checkable - whether renderer supports enabling/disabling it.
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.. versionadded:: 3.18
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%End
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};
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class QgsWmsLegendNode : QgsLayerTreeModelLegendNode
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{
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%Docstring(signature="appended")
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Implementation of legend node interface for displaying WMS legend entries
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.. versionadded:: 2.8
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%End
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%TypeHeaderCode
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#include "qgslayertreemodellegendnode.h"
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%End
|
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public:
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QgsWmsLegendNode( QgsLayerTreeLayer *nodeLayer, QObject *parent /TransferThis/ = 0 );
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%Docstring
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Constructor for QgsWmsLegendNode.
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:param nodeLayer: layer node
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:param parent: attach a parent QObject to the legend node.
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%End
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~QgsWmsLegendNode();
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virtual QVariant data( int role ) const;
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virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
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virtual QJsonObject exportSymbolToJson( const QgsLegendSettings &settings, const QgsRenderContext &context ) const;
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virtual void invalidateMapBasedData();
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};
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class QgsDataDefinedSizeLegendNode : QgsLayerTreeModelLegendNode
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|
{
|
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%Docstring(signature="appended")
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|
Produces legend node with a marker symbol
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|
.. versionadded:: 3.0
|
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%End
|
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|
%TypeHeaderCode
|
|
#include "qgslayertreemodellegendnode.h"
|
|
%End
|
|
public:
|
|
QgsDataDefinedSizeLegendNode( QgsLayerTreeLayer *nodeLayer, const QgsDataDefinedSizeLegend &settings, QObject *parent /TransferThis/ = 0 );
|
|
%Docstring
|
|
Construct the node using :py:class:`QgsDataDefinedSizeLegend` as definition of the node's appearance
|
|
%End
|
|
~QgsDataDefinedSizeLegendNode();
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|
|
virtual QVariant data( int role ) const;
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|
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virtual ItemMetrics draw( const QgsLegendSettings &settings, ItemContext *ctx );
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|
|
|
|
|
};
|
|
|
|
class QgsVectorLabelLegendNode : QgsLayerTreeModelLegendNode
|
|
{
|
|
%Docstring(signature="appended")
|
|
Produces legend node for a labeling text symbol
|
|
|
|
.. versionadded:: 3.20
|
|
%End
|
|
|
|
%TypeHeaderCode
|
|
#include "qgslayertreemodellegendnode.h"
|
|
%End
|
|
public:
|
|
|
|
QgsVectorLabelLegendNode( QgsLayerTreeLayer *nodeLayer, const QgsPalLayerSettings &labelSettings, QObject *parent = 0 );
|
|
%Docstring
|
|
QgsVectorLabelLegendNode
|
|
|
|
:param nodeLayer: the parent node
|
|
:param labelSettings: setting of the label class
|
|
:param parent: the parent object
|
|
%End
|
|
~QgsVectorLabelLegendNode();
|
|
|
|
virtual QVariant data( int role ) const;
|
|
|
|
%Docstring
|
|
data Returns data associated with the item
|
|
|
|
:param role: the data role
|
|
|
|
:return: variant containing the data for the role
|
|
%End
|
|
|
|
virtual QSizeF drawSymbol( const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight ) const;
|
|
|
|
%Docstring
|
|
drawSymbol
|
|
|
|
:param settings: the legend settings
|
|
:param ctx: context for the item
|
|
:param itemHeight: the height of the item
|
|
|
|
:return: size of the item
|
|
%End
|
|
|
|
virtual QJsonObject exportSymbolToJson( const QgsLegendSettings &settings, const QgsRenderContext &context ) const;
|
|
|
|
%Docstring
|
|
exportSymbolToJson
|
|
|
|
:param settings: the legend settings
|
|
:param context: the item context
|
|
|
|
:return: the json object
|
|
%End
|
|
|
|
};
|
|
|
|
|
|
/************************************************************************
|
|
* This file has been generated automatically from *
|
|
* *
|
|
* src/core/layertree/qgslayertreemodellegendnode.h *
|
|
* *
|
|
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
|