- for (translator_listener_record *r = get_listener_list (); r; r=r->next_)
- c->events_below ()->remove_listener (r->get_listener_ (this), r->event_class_);
-}
-
-static SCM listened_event_class_table;
-void
-ensure_listened_hash ()
-{
- if (!listened_event_class_table)
- listened_event_class_table = scm_permanent_object (scm_c_make_hash_table (61));
-}
-
-
-LY_DEFINE (ly_get_listened_event_classes, "ly:get-listened-event-classes",
- 0, 0, 0, (),
- "Returns a list of all event classes that some translator listens to.")
-{
- ensure_listened_hash ();
- return ly_hash_table_keys (listened_event_class_table);
-}
-
-LY_DEFINE (ly_is_listened_event_class, "ly:is-listened-event-class",
- 1, 0, 0, (SCM sym),
- "Is @var{sym} a listened event class?")
-{
- ensure_listened_hash ();
- return scm_hashq_ref (listened_event_class_table, sym, SCM_BOOL_F);
-}
-
-void
-add_listened_event_class (SCM sym)
-{
- ensure_listened_hash ();
- scm_hashq_set_x (listened_event_class_table, sym, SCM_BOOL_T);
+ for (translator_listener_record *r = get_listener_list (); r; r = r->next_)
+ c->events_below ()->remove_listener (r->get_listener_ (this, r->event_class_),
+ r->event_class_);