fix #2435

git-svn-id: http://svn.osgeo.org/qgis/trunk@12933 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

src/app/legend/qgslegend.cpp

@@ -1712,6 +1712,7 @@ bool QgsLegend::checkLayerOrderUpdate()
   {
     // z-order has changed - update layer set
     updateMapCanvasLayerSet();
+    emit zOrderChanged();
     return true;
   }
   return false;

src/app/legend/qgslegend.h

@@ -473,7 +473,7 @@ class QgsLegend : public QTreeWidget
   signals:
     void itemMoved( QModelIndex oldIndex, QModelIndex newIndex );
 
-    void zOrderChanged( QgsLegend * lv );
+    void zOrderChanged();
 
     //! Emited whenever current (selected) layer changes
     //  the pointer to layer can be null if no layer is selected

src/app/qgisapp.cpp

@@ -1834,6 +1834,7 @@ void QgisApp::setupConnections()
   // track of canvas layers and extents and mark project dirty on changes
   connect( mMapCanvas, SIGNAL( extentsChanged() ), this, SLOT( markDirty() ) );
   connect( mMapCanvas, SIGNAL( layersChanged() ), this, SLOT( markDirty() ) );
+  connect( mMapLegend, SIGNAL( zOrderChanged() ), this, SLOT( markDirty() ) );
 
   connect( mRenderSuppressionCBox, SIGNAL( toggled( bool ) ), mMapCanvas, SLOT( setRenderFlag( bool ) ) );
   //