X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fstem-engraver.cc;h=199d9fd17ea735d1a1c2308324938d694268e208;hb=5d84bfad4626892bcffd05adcced53c8a2329047;hp=2f2eaf82daedf380d0b53cd1505be4ff1ca9016f;hpb=34cc8063c5cb355e975ba7a54b89ef04f6250f2e;p=lilypond.git

diff --git a/lily/stem-engraver.cc b/lily/stem-engraver.cc
index 2f2eaf82da..199d9fd17e 100644
--- a/lily/stem-engraver.cc
+++ b/lily/stem-engraver.cc
@@ -48,15 +48,16 @@ class Stem_engraver : public Engraver
 protected:
   void make_stem (Grob_info, bool);
 
-  DECLARE_TRANSLATOR_LISTENER (tremolo);
-  DECLARE_TRANSLATOR_LISTENER (tuplet_span);
-  DECLARE_ACKNOWLEDGER (rhythmic_head);
+  void listen_tremolo (Stream_event *);
+  void listen_tuplet_span (Stream_event *);
+  void acknowledge_rhythmic_head (Grob_info);
   void stop_translation_timestep ();
   void finalize ();
   void kill_unused_flags ();
 };
 
-Stem_engraver::Stem_engraver ()
+Stem_engraver::Stem_engraver (Context *c)
+  : Engraver (c)
 {
   tremolo_ev_ = 0;
   stem_ = 0;
@@ -212,7 +213,6 @@ Stem_engraver::stop_translation_timestep ()
   tremolo_ev_ = 0;
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Stem_engraver, tuplet_span);
 void
 Stem_engraver::listen_tuplet_span (Stream_event *ev)
 {
@@ -226,14 +226,20 @@ Stem_engraver::listen_tuplet_span (Stream_event *ev)
     }
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Stem_engraver, tremolo);
 void
 Stem_engraver::listen_tremolo (Stream_event *ev)
 {
   ASSIGN_EVENT_ONCE (tremolo_ev_, ev);
 }
 
-ADD_ACKNOWLEDGER (Stem_engraver, rhythmic_head);
+
+void
+Stem_engraver::boot ()
+{
+  ADD_LISTENER (Stem_engraver, tuplet_span);
+  ADD_LISTENER (Stem_engraver, tremolo);
+  ADD_ACKNOWLEDGER (Stem_engraver, rhythmic_head);
+}
 
 ADD_TRANSLATOR (Stem_engraver,
                 /* doc */