X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fballoon-engraver.cc;h=610a9906f0213b520b07eb82f2f406e6ca426ecf;hb=90e4d7057f3857da049dfda3d130017d4719bd6b;hp=b5c96bcce111d674bfac94b7fffe150ee6d5c4e7;hpb=c054eb280fd9953596eb164f67b0f9d5555c5a32;p=lilypond.git

diff --git a/lily/balloon-engraver.cc b/lily/balloon-engraver.cc
index b5c96bcce1..610a9906f0 100644
--- a/lily/balloon-engraver.cc
+++ b/lily/balloon-engraver.cc
@@ -28,8 +28,8 @@ class Balloon_engraver : public Engraver
 {
   TRANSLATOR_DECLARATIONS (Balloon_engraver);
 
-  DECLARE_TRANSLATOR_LISTENER (annotate_output);
-  DECLARE_ACKNOWLEDGER (grob);
+  void listen_annotate_output (Stream_event *);
+  void acknowledge_grob (Grob_info);
   vector<Stream_event *> events_;
 
   void stop_translation_timestep ();
@@ -37,7 +37,6 @@ class Balloon_engraver : public Engraver
   void balloonify (Grob *, Stream_event *);
 };
 
-IMPLEMENT_TRANSLATOR_LISTENER (Balloon_engraver, annotate_output);
 void
 Balloon_engraver::listen_annotate_output (Stream_event *ev)
 {
@@ -50,7 +49,8 @@ Balloon_engraver::stop_translation_timestep ()
   events_.clear ();
 }
 
-Balloon_engraver::Balloon_engraver ()
+Balloon_engraver::Balloon_engraver (Context *c)
+  : Engraver (c)
 {
 }
 
@@ -71,7 +71,7 @@ Balloon_engraver::acknowledge_grob (Grob_info info)
   SCM arts = cause ? cause->get_property ("articulations") : SCM_EOL;
   for (SCM s = arts; scm_is_pair (s); s = scm_cdr (s))
     {
-      Stream_event *e = Stream_event::unsmob (scm_car (s));
+      Stream_event *e = unsmob<Stream_event> (scm_car (s));
       if (e->in_event_class ("annotate-output-event"))
         {
           balloonify (info.grob (), e);
@@ -85,7 +85,13 @@ Balloon_engraver::acknowledge_grob (Grob_info info)
     }
 }
 
-ADD_ACKNOWLEDGER (Balloon_engraver, grob);
+
+void
+Balloon_engraver::boot ()
+{
+  ADD_LISTENER (Balloon_engraver, annotate_output);
+  ADD_ACKNOWLEDGER (Balloon_engraver, grob);
+}
 
 ADD_TRANSLATOR (Balloon_engraver,
                 /* doc */