Method handle

src/osvr/Client/ButtonRemoteFactory.cpp:75–78

        }

        static void VRPN_CALLBACK handle(void *userdata, vrpn_BUTTONCB info) {
            auto self = static_cast<VRPNButtonHandler *>(userdata);
            self->m_handle(info);
        }

        static void VRPN_CALLBACK
        handle_states(void *userdata, vrpn_BUTTONSTATESCB info) {