findGtkWrapperArea(const SmartPtr<View>& view, GtkMathView_Model_Element node)
findGtkWrapperArea(const SmartPtr<View>& view, GtkMathViewElementId node)
findGtkWrapperArea(const SmartPtr<View>& view, GtkMathView_Model_Element node){  if (SmartPtr<Element> elem = elementOfModelElement(view->getBuilder(), node))    if (SmartPtr<const Gtk_WrapperArea> area = smart_cast<const Gtk_WrapperArea>(elem->getArea()))      return area;  return 0;}