Doc-es: various updates.

[lilypond.git] / lily / note-heads-engraver.cc

diff --git a/lily/note-heads-engraver.cc b/lily/note-heads-engraver.cc
index 6322dfa2b9f7ed72b5a8bdfd9af6109fa62fa9b5..7c82106623933eecfe502f34006149dc012b6661 100644 (file)
--- a/lily/note-heads-engraver.cc
+++ b/lily/note-heads-engraver.cc
@@ -41,16 +41,16 @@ public:
   TRANSLATOR_DECLARATIONS (Note_heads_engraver);
 
 protected:
-  DECLARE_TRANSLATOR_LISTENER (note);
+  void listen_note (Stream_event *);
   void process_music ();
   void stop_translation_timestep ();
 };
 
-Note_heads_engraver::Note_heads_engraver ()
+Note_heads_engraver::Note_heads_engraver (Context *c)
+  : Engraver (c)
 {
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Note_heads_engraver, note);
 void
 Note_heads_engraver::listen_note (Stream_event *ev)
 {
@@ -121,6 +121,12 @@ Note_heads_engraver::stop_translation_timestep ()
   note_evs_.clear ();
 }
 
+void
+Note_heads_engraver::boot ()
+{
+  ADD_LISTENER (Note_heads_engraver, note);
+}
+
 ADD_TRANSLATOR (Note_heads_engraver,
                 /* doc */
                 "Generate note heads.",