get_vbox()->pack_start (*l);
for (vector<string>::const_iterator i = paths.begin(); i != paths.end(); ++i) {
_radio_buttons.push_back (manage (new RadioButton (_group, *i)));
get_vbox()->pack_start (*_radio_buttons.back ());
get_vbox()->pack_start (*l);
for (vector<string>::const_iterator i = paths.begin(); i != paths.end(); ++i) {
_radio_buttons.push_back (manage (new RadioButton (_group, *i)));
get_vbox()->pack_start (*_radio_buttons.back ());