lbl_route->set_geometry(GLtk::Geometry(10, 85, geom.w-20, 20));
train.signal_route_changed.connect(sigc::mem_fun(this, &TrainPanel::train_route_changed));
lbl_route->set_geometry(GLtk::Geometry(10, 85, geom.w-20, 20));
train.signal_route_changed.connect(sigc::mem_fun(this, &TrainPanel::train_route_changed));