vector< shared_ptr<pv::binding::Device> > group_bindings_;
map< QCheckBox*, shared_ptr<pv::data::SignalBase> >
check_box_signal_map_;
vector< shared_ptr<pv::binding::Device> > group_bindings_;
map< QCheckBox*, shared_ptr<pv::data::SignalBase> >
check_box_signal_map_;