+ btn->set_tooltip("Set turnout ID of selected track");
+ btn->signal_clicked.connect(sigc::mem_fun(&designer, &Designer::set_turnout_id));
+
+ add(*(btn=new GLtk::Button(res, "Sens")));
+ btn->set_geometry(GLtk::Geometry(215, 10, 40, 24));
+ btn->set_tooltip("Set sensor ID of selected tracks");
+ btn->signal_clicked.connect(sigc::mem_fun(&designer, &Designer::set_sensor_id));