tgl_forward->set_geometry(GLtk::Geometry(118, 8, 36, 27));
tgl_forward->set_value(true);
tgl_forward->signal_toggled.connect(sigc::mem_fun(this, &TrainView::set_forward));
tgl_forward->set_geometry(GLtk::Geometry(118, 8, 36, 27));
tgl_forward->set_value(true);
tgl_forward->signal_toggled.connect(sigc::mem_fun(this, &TrainView::set_forward));