drp_new_vehicle->set_geometry(GLtk::Geometry(10, geom.h-230, geom.w-20, 20));
drp_new_vehicle->append("(new vehicle)");
drp_new_vehicle->set_selected_index(0);
drp_new_vehicle->set_geometry(GLtk::Geometry(10, geom.h-230, geom.w-20, 20));
drp_new_vehicle->append("(new vehicle)");
drp_new_vehicle->set_selected_index(0);