+ pnl_basic->add(*(btn_expand = new GLtk::Button(res)));
+ btn_expand->set_style("arrow_down");
+ btn_expand->set_geometry(GLtk::Geometry(geom.w-22, 28, 12, 20));
+ btn_expand->signal_clicked.connect(sigc::mem_fun(this, &TrainPanel::expand_clicked));
+
+ add(*(pnl_extra = new GLtk::Panel(res)));
+ pnl_extra->set_style("group");
+ pnl_extra->set_geometry(GLtk::Geometry(0, 10, geom.w, 135));
+ pnl_extra->set_visible(false);
+