items.push_back (MenuElem (_("Rescan"), sigc::mem_fun (*this, &PortMatrix::setup_all_ports)));
items.push_back (CheckMenuElem (_("Show individual ports"), sigc::mem_fun (*this, &PortMatrix::toggle_show_only_bundles)));
items.push_back (MenuElem (_("Rescan"), sigc::mem_fun (*this, &PortMatrix::setup_all_ports)));
items.push_back (CheckMenuElem (_("Show individual ports"), sigc::mem_fun (*this, &PortMatrix::toggle_show_only_bundles)));