X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fstaff-symbol-engraver.cc;h=fad9f0437900d5765301d6eb82376b9ce714d38e;hb=77267b700c377fd170abcbf4863728937038eb5e;hp=cad91e76c3e958d318ff50305432b536549a41dc;hpb=0c14539bc83d6bb405141b6f21430b33d1e8fcf0;p=lilypond.git

diff --git a/lily/staff-symbol-engraver.cc b/lily/staff-symbol-engraver.cc
index cad91e76c3..fad9f04379 100644
--- a/lily/staff-symbol-engraver.cc
+++ b/lily/staff-symbol-engraver.cc
@@ -42,8 +42,8 @@ protected:
 
   void stop_translation_timestep ();
   virtual ~Staff_symbol_engraver ();
-  DECLARE_ACKNOWLEDGER (grob);
-  DECLARE_TRANSLATOR_LISTENER (staff_span);
+  void acknowledge_grob (Grob_info);
+  void listen_staff_span (Stream_event *);
   virtual void finalize ();
   void process_music ();
   virtual void derived_mark () const;
@@ -68,7 +68,8 @@ Staff_symbol_engraver::~Staff_symbol_engraver ()
     }
 }
 
-Staff_symbol_engraver::Staff_symbol_engraver ()
+Staff_symbol_engraver::Staff_symbol_engraver (Context *c)
+  : Engraver (c)
 {
   finished_span_ = 0;
   first_start_ = true;
@@ -76,7 +77,6 @@ Staff_symbol_engraver::Staff_symbol_engraver ()
   span_events_.set (0, 0);
 }
 
-IMPLEMENT_TRANSLATOR_LISTENER (Staff_symbol_engraver, staff_span);
 void
 Staff_symbol_engraver::listen_staff_span (Stream_event *ev)
 {
@@ -163,7 +163,13 @@ Staff_symbol_engraver::acknowledge_grob (Grob_info s)
     }
 }
 
-ADD_ACKNOWLEDGER (Staff_symbol_engraver, grob);
+
+void
+Staff_symbol_engraver::boot ()
+{
+  ADD_LISTENER (Staff_symbol_engraver, staff_span);
+  ADD_ACKNOWLEDGER (Staff_symbol_engraver, grob);
+}
 
 ADD_TRANSLATOR (Staff_symbol_engraver,
                 /* doc */