Add highlighting of tree view items

src/Gui/ViewProvider.cpp

@@ -60,7 +60,7 @@ using namespace Gui;
 
 PROPERTY_SOURCE_ABSTRACT(Gui::ViewProvider, App::PropertyContainer)
 
-ViewProvider::ViewProvider() 
+ViewProvider::ViewProvider()
     : pcAnnotation(0)
     , pyViewObject(0)
     , _iActualMode(-1)
@@ -144,6 +144,12 @@ void ViewProvider::setUpdatesEnabled (bool enable)
     _updateData = enable;
 }
 
+void highlight(const HighlightMode& high)
+{
+
+
+}
+
 void ViewProvider::eventCallback(void * ud, SoEventCallback * node)
 {
     const SoEvent * ev = node->getEvent();