+ /* Register various listeners:
+ - Make the new context hear events that universally affect contexts
+ - connect events_below etc. properly */
+ /* We want to be the first ones to hear our own events. Therefore, wait
+ before registering events_below_ */
+ new_context->event_source ()->
+ add_listener (GET_LISTENER (new_context->create_context_from_event),
+ ly_symbol2scm ("CreateContext"));
+ new_context->event_source ()->
+ add_listener (GET_LISTENER (new_context->remove_context),
+ ly_symbol2scm ("RemoveContext"));
+ new_context->event_source ()->
+ add_listener (GET_LISTENER (new_context->change_parent),
+ ly_symbol2scm ("ChangeParent"));
+ new_context->event_source ()->
+ add_listener (GET_LISTENER (new_context->set_property_from_event),
+ ly_symbol2scm ("SetProperty"));
+ new_context->event_source ()->
+ add_listener (GET_LISTENER (new_context->unset_property_from_event),
+ ly_symbol2scm ("UnsetProperty"));
+
+ new_context->events_below_->register_as_listener (new_context->event_source_);
+ this->add_context (new_context);
+
+ new_context->unprotect ();
+
+ Context_def *td = unsmob_context_def (new_context->definition_);
+
+ /* This cannot move before add_context (), because \override
+ operations require that we are in the hierarchy. */
+ td->apply_default_property_operations (new_context);
+ apply_property_operations (new_context, ops);
+
+ send_stream_event (this, "AnnounceNewContext", 0,
+ ly_symbol2scm ("context"), new_context->self_scm (),
+ ly_symbol2scm ("creator"), sev);
+}
+
+vector<Context_def*>
+Context::path_to_acceptable_context (SCM name) const
+{
+ // The 'accepts elements in definition_mods_ is a list of ('accepts string),
+ // but the Context_def expects to see elements of the form ('accepts symbol).
+ SCM accepts = SCM_EOL;
+ for (SCM s = scm_reverse (definition_mods_); scm_is_pair (s); s = scm_cdr (s))
+ if (scm_caar (s) == ly_symbol2scm ("accepts"))
+ {
+ SCM elt = scm_list_2 (scm_caar (s), scm_string_to_symbol (scm_cadar (s)));
+ accepts = scm_cons (elt, accepts);
+ }
+
+ return unsmob_context_def (definition_)->path_to_acceptable_context (name,
+ get_output_def (),
+ accepts);
+