X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fchord-tremolo-engraver.cc;h=7a17c1350e36567857acb983eeda04695df3827f;hb=b6ab7b0d552591f2039fd2c83c3566d7c2ce5d37;hp=9de2bbffc8809c2eaafe8e72a857a686aa49d1fc;hpb=207f71b8b2ab9ca550e841615bedce393e652ca6;p=lilypond.git

diff --git a/lily/chord-tremolo-engraver.cc b/lily/chord-tremolo-engraver.cc
index 9de2bbffc8..7a17c1350e 100644
--- a/lily/chord-tremolo-engraver.cc
+++ b/lily/chord-tremolo-engraver.cc
@@ -34,8 +34,6 @@
 
 #include "translator.icc"
 
-using std::string;
-
 /**
 
 This acknowledges repeated music with "tremolo" style.  It typesets
@@ -64,8 +62,8 @@ protected:
 protected:
   virtual void finalize ();
   void process_music ();
-  DECLARE_TRANSLATOR_LISTENER (tremolo_span);
-  DECLARE_ACKNOWLEDGER (stem);
+  void listen_tremolo_span (Stream_event *);
+  void acknowledge_stem (Grob_info);
 };
 
 Chord_tremolo_engraver::Chord_tremolo_engraver ()
@@ -75,7 +73,6 @@ Chord_tremolo_engraver::Chord_tremolo_engraver ()
   previous_stem_ = 0;
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Chord_tremolo_engraver, tremolo_span);
 void
 Chord_tremolo_engraver::listen_tremolo_span (Stream_event *ev)
 {
@@ -160,7 +157,13 @@ Chord_tremolo_engraver::acknowledge_stem (Grob_info info)
     }
 }
 
-ADD_ACKNOWLEDGER (Chord_tremolo_engraver, stem);
+void
+Chord_tremolo_engraver::boot ()
+{
+  ADD_LISTENER (Chord_tremolo_engraver, tremolo_span);
+  ADD_ACKNOWLEDGER (Chord_tremolo_engraver, stem);
+}
+
 ADD_TRANSLATOR (Chord_tremolo_engraver,
                 /* doc */
                 "Generate beams for tremolo repeats.",