Better update of line pattern icon

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@12789 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: mhugent

src/gui/symbology-ng/qgssymbollayerv2widget.cpp

@@ -78,6 +78,7 @@ QgsSymbolLayerV2* QgsSimpleLineSymbolLayerV2Widget::symbolLayer()
 void QgsSimpleLineSymbolLayerV2Widget::penWidthChanged()
 {
   mLayer->setWidth( spinWidth->value() );
+  updatePatternIcon();
   emit changed();
 }
 
@@ -88,6 +89,7 @@ void QgsSimpleLineSymbolLayerV2Widget::colorChanged()
     return;
   mLayer->setColor( color );
   btnChangeColor->setColor( mLayer->color() );
+  updatePatternIcon();
   emit changed();
 }
 
@@ -102,6 +104,7 @@ void QgsSimpleLineSymbolLayerV2Widget::penStyleChanged()
 void QgsSimpleLineSymbolLayerV2Widget::offsetChanged()
 {
   mLayer->setOffset( spinOffset->value() );
+  updatePatternIcon();
   emit changed();
 }