fixed the change symbol button bug in graduated renderer

qgis · Oct 7, 2012 · 70b7c3b · 70b7c3b
1 parent ec16eed
commit 70b7c3b
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/gui/symbology-ng/qgsgraduatedsymbolrendererv2widget.cpp b/src/gui/symbology-ng/qgsgraduatedsymbolrendererv2widget.cpp
@@ -239,9 +239,17 @@ void QgsGraduatedSymbolRendererV2Widget::reapplyColorRamp()
 
 void QgsGraduatedSymbolRendererV2Widget::changeGraduatedSymbol()
 {
-  QgsSymbolV2SelectorDialog dlg( mGraduatedSymbol, mStyle, mLayer, this );
+
+  QgsSymbolV2* newSymbol = mGraduatedSymbol->clone();
+
+  QgsSymbolV2SelectorDialog dlg( newSymbol, mStyle, mLayer, this );
   if ( !dlg.exec() )
+  {
+    delete newSymbol;
     return;
+  }
+
+  mGraduatedSymbol = newSymbol;
 
   updateGraduatedSymbolIcon();
   mRenderer->updateSymbols( mGraduatedSymbol );