X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnote-heads-engraver.cc;h=7c82106623933eecfe502f34006149dc012b6661;hb=13498a20fb3678da0042ffa6ae3427ca22b22a79;hp=9c12fc78b26a53a208454254141ba4218c1093f7;hpb=59a6d1a06432fc0ca88c3023c646182f389ec1b5;p=lilypond.git

diff --git a/lily/note-heads-engraver.cc b/lily/note-heads-engraver.cc
index 9c12fc78b2..7c82106623 100644
--- a/lily/note-heads-engraver.cc
+++ b/lily/note-heads-engraver.cc
@@ -20,6 +20,7 @@
 #include "engraver.hh"
 
 #include <cctype>
+using namespace std;
 
 #include "duration.hh"
 #include "item.hh"
@@ -32,8 +33,6 @@
 
 #include "translator.icc"
 
-using std::vector;
-
 class Note_heads_engraver : public Engraver
 {
   vector<Stream_event *> note_evs_;
@@ -42,16 +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)
 {
@@ -122,6 +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.",