Fix renderer items in legend (#8651)

Author: mhugent

src/core/symbology-ng/qgscategorizedsymbolrendererv2.cpp

@@ -635,8 +635,9 @@ QgsLegendSymbologyList QgsCategorizedSymbolRendererV2::legendSymbologyItems( QSi
   return lst;
 }
 
-QgsLegendSymbolList QgsCategorizedSymbolRendererV2::legendSymbolItems()
+QgsLegendSymbolList QgsCategorizedSymbolRendererV2::legendSymbolItems( double scaleDenominator )
 {
+  Q_UNUSED( scaleDenominator );
   QSettings settings;
   bool showClassifiers = settings.value( "/qgis/showLegendClassifiers", false ).toBool();
 

src/core/symbology-ng/qgscategorizedsymbolrendererv2.h

@@ -125,7 +125,7 @@ class CORE_EXPORT QgsCategorizedSymbolRendererV2 : public QgsFeatureRendererV2
     //! return a list of item text / symbol
     //! @note: this method was added in version 1.5
     //! @note not available in python bindings
-    virtual QgsLegendSymbolList legendSymbolItems();
+    virtual QgsLegendSymbolList legendSymbolItems( double scaleDenominator = -1 );
 
     QgsSymbolV2* sourceSymbol();
     void setSourceSymbol( QgsSymbolV2* sym );

src/core/symbology-ng/qgsgraduatedsymbolrendererv2.cpp

@@ -1095,8 +1095,9 @@ QgsLegendSymbologyList QgsGraduatedSymbolRendererV2::legendSymbologyItems( QSize
   return lst;
 }
 
-QgsLegendSymbolList QgsGraduatedSymbolRendererV2::legendSymbolItems()
+QgsLegendSymbolList QgsGraduatedSymbolRendererV2::legendSymbolItems( double scaleDenominator )
 {
+  Q_UNUSED( scaleDenominator );
   QSettings settings;
   bool showClassifiers = settings.value( "/qgis/showLegendClassifiers", false ).toBool();
 

src/core/symbology-ng/qgsgraduatedsymbolrendererv2.h

@@ -137,7 +137,7 @@ class CORE_EXPORT QgsGraduatedSymbolRendererV2 : public QgsFeatureRendererV2
     //! return a list of item text / symbol
     //! @note: this method was added in version 1.5
     //! @note not available in python bindings
-    virtual QgsLegendSymbolList legendSymbolItems();
+    virtual QgsLegendSymbolList legendSymbolItems( double scaleDenominator = -1 );
 
     QgsSymbolV2* sourceSymbol();
     void setSourceSymbol( QgsSymbolV2* sym );

src/core/symbology-ng/qgssinglesymbolrendererv2.cpp

@@ -373,8 +373,9 @@ QgsLegendSymbologyList QgsSingleSymbolRendererV2::legendSymbologyItems( QSize ic
   return lst;
 }
 
-QgsLegendSymbolList QgsSingleSymbolRendererV2::legendSymbolItems()
+QgsLegendSymbolList QgsSingleSymbolRendererV2::legendSymbolItems( double scaleDenominator )
 {
+  Q_UNUSED( scaleDenominator );
   QgsLegendSymbolList lst;
   lst << qMakePair( QString(), mSymbol );
   return lst;

src/core/symbology-ng/qgssinglesymbolrendererv2.h

@@ -78,7 +78,7 @@ class CORE_EXPORT QgsSingleSymbolRendererV2 : public QgsFeatureRendererV2
     //! return a list of item text / symbol
     //! @note: this method was added in version 1.5
     //! @note not available in python bindings
-    virtual QgsLegendSymbolList legendSymbolItems();
+    virtual QgsLegendSymbolList legendSymbolItems( double scaleDenominator = -1 );
 
   protected:
     QgsSymbolV2* mSymbol;