add(*(lbl_speed=new GLtk::Label(res, format("%2d", train.get_locomotive().get_speed()))));
lbl_speed->set_style("digital");
lbl_speed->set_geometry(GLtk::Geometry(10, geom.h-58, 35, 24));
add(*(lbl_speed=new GLtk::Label(res, format("%2d", train.get_locomotive().get_speed()))));
lbl_speed->set_style("digital");
lbl_speed->set_geometry(GLtk::Geometry(10, geom.h-58, 35, 24));