38 watch_connection.disconnect ();
39 binding_proxy.set_controllable (c);
48 warning <<
_(
"button cannot watch state of non-existing Controllable\n") << endl;
58 float val = binding_proxy.get_controllable()->get_value();
59 set_active (fabs (val) >= 0.5
f);
LIBPBD_API Transmitter warning