categorized renderer: show category by default (followup 4867b7f)

Author: jef-n

python/core/symbology-ng/qgscategorizedsymbolrendererv2.sip

@@ -6,7 +6,7 @@ class QgsRendererCategoryV2
   public:
 
     //! takes ownership of symbol
-    QgsRendererCategoryV2( QVariant value, QgsSymbolV2* symbol /Transfer/, QString label, bool render );
+    QgsRendererCategoryV2( QVariant value, QgsSymbolV2* symbol /Transfer/, QString label, bool render = true );
 
     //! copy constructor
     QgsRendererCategoryV2( const QgsRendererCategoryV2& cat );

src/core/symbology-ng/qgscategorizedsymbolrendererv2.cpp

@@ -752,7 +752,10 @@ bool QgsCategorizedSymbolRendererV2::legendSymbolItemsCheckable() const
 
 bool QgsCategorizedSymbolRendererV2::legendSymbolItemChecked( int index )
 {
-  return index < 0 ? true : mCategories[ index ].renderState();
+  if( index >= 0 && index < mCategories.size() )
+    return mCategories[ index ].renderState();
+  else
+    return true;
 }
 
 void QgsCategorizedSymbolRendererV2::checkLegendSymbolItem( int index, bool state )

src/core/symbology-ng/qgscategorizedsymbolrendererv2.h

@@ -32,7 +32,7 @@ class CORE_EXPORT QgsRendererCategoryV2
     QgsRendererCategoryV2( );
 
     //! takes ownership of symbol
-    QgsRendererCategoryV2( QVariant value, QgsSymbolV2* symbol, QString label, bool render );
+    QgsRendererCategoryV2( QVariant value, QgsSymbolV2* symbol, QString label, bool render = true );
 
     //! copy constructor
     QgsRendererCategoryV2( const QgsRendererCategoryV2& cat );

src/core/symbology-ng/qgsrendererv2.h

@@ -156,7 +156,7 @@ class CORE_EXPORT QgsFeatureRendererV2
 
     //! items of symbology items in legend is checked
     //! @note added in 2.5
-    virtual bool legendSymbolItemChecked( int key );
+    virtual bool legendSymbolItemChecked( int index );
 
     //! item in symbology was checked
     //! @note added in 2.5