X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fdrum-note-performer.cc;h=9fce62808fe910892b122b99831e53bb7370894d;hb=5d84bfad4626892bcffd05adcced53c8a2329047;hp=6c565cd8e050623b31ef925b408a1422058314d4;hpb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;p=lilypond.git

diff --git a/lily/drum-note-performer.cc b/lily/drum-note-performer.cc
index 6c565cd8e0..9fce62808f 100644
--- a/lily/drum-note-performer.cc
+++ b/lily/drum-note-performer.cc
@@ -33,12 +33,13 @@ public:
 protected:
   void stop_translation_timestep ();
   void process_music ();
-  DECLARE_TRANSLATOR_LISTENER (note);
+  void listen_note (Stream_event *);
 private:
   vector<Stream_event *> note_evs_;
 };
 
-Drum_note_performer::Drum_note_performer ()
+Drum_note_performer::Drum_note_performer (Context *c)
+  : Performer (c)
 {
 }
 
@@ -55,10 +56,10 @@ Drum_note_performer::process_music ()
       SCM defn = SCM_EOL;
 
       if (scm_is_symbol (sym)
-          && (scm_hash_table_p (tab) == SCM_BOOL_T))
+          && to_boolean (scm_hash_table_p (tab)))
         defn = scm_hashq_ref (tab, sym, SCM_EOL);
 
-      if (Pitch *pit = Pitch::unsmob (defn))
+      if (Pitch *pit = unsmob<Pitch> (defn))
         {
           SCM articulations = n->get_property ("articulations");
           Stream_event *tie_event = 0;
@@ -66,7 +67,7 @@ Drum_note_performer::process_music ()
           int velocity = 0;
           for (SCM s = articulations; scm_is_pair (s); s = scm_cdr (s))
             {
-              Stream_event *ev = Stream_event::unsmob (scm_car (s));
+              Stream_event *ev = unsmob<Stream_event> (scm_car (s));
               if (!ev)
                 continue;
 
@@ -96,13 +97,18 @@ Drum_note_performer::stop_translation_timestep ()
   note_evs_.clear ();
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Drum_note_performer, note);
 void
 Drum_note_performer::listen_note (Stream_event *ev)
 {
   note_evs_.push_back (ev);
 }
 
+void
+Drum_note_performer::boot ()
+{
+  ADD_LISTENER (Drum_note_performer, note);
+}
+
 ADD_TRANSLATOR (Drum_note_performer,
                 /* doc */
                 "Play drum notes.",