X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Farpeggio-engraver.cc;h=6fa2f79c9d437d01d366f00118bbdf4938c7c2be;hb=9e338fb9a890089a44a3c36ae3c95653027718d5;hp=d67d9da120269ae3cd4d51de49cf962d6eb3c697;hpb=a6a733a8e2f138a4c30d7abdff7b0372d9b9fb97;p=lilypond.git

diff --git a/lily/arpeggio-engraver.cc b/lily/arpeggio-engraver.cc
index d67d9da120..6fa2f79c9d 100644
--- a/lily/arpeggio-engraver.cc
+++ b/lily/arpeggio-engraver.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2000--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 2000--2007 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include "engraver.hh"
@@ -15,6 +15,7 @@
 #include "side-position-interface.hh"
 #include "stream-event.hh"
 #include "note-column.hh"
+#include "item.hh"
 
 #include "translator.icc"
 
@@ -25,7 +26,6 @@ public:
 
   void acknowledge_stem (Grob_info);
   void acknowledge_rhythmic_head (Grob_info);
-  void acknowledge_note_column (Grob_info);
 protected:
   void process_music ();
   void stop_translation_timestep ();
@@ -44,8 +44,7 @@ Arpeggio_engraver::Arpeggio_engraver ()
 IMPLEMENT_TRANSLATOR_LISTENER (Arpeggio_engraver, arpeggio);
 void Arpeggio_engraver::listen_arpeggio (Stream_event *ev)
 {
-  arpeggio_event_ = ev;
-  ev->protect ();
+  ASSIGN_EVENT_ONCE (arpeggio_event_, ev);
 }
 
 void
@@ -73,20 +72,12 @@ Arpeggio_engraver::acknowledge_rhythmic_head (Grob_info info)
     Side_position_interface::add_support (arpeggio_, info.grob ());
 }
 
-void
-Arpeggio_engraver::acknowledge_note_column (Grob_info info)
-{
-  if (arpeggio_)
-    info.grob ()->set_object ("arpeggio", arpeggio_->self_scm ());
-}
-
 void
 Arpeggio_engraver::process_music ()
 {
   if (arpeggio_event_)
     {
       arpeggio_ = make_item ("Arpeggio", arpeggio_event_->self_scm ());
-      arpeggio_event_->unprotect ();
     }
 }
 
@@ -99,11 +90,17 @@ Arpeggio_engraver::stop_translation_timestep ()
 
 ADD_ACKNOWLEDGER (Arpeggio_engraver, stem);
 ADD_ACKNOWLEDGER (Arpeggio_engraver, rhythmic_head);
-ADD_ACKNOWLEDGER (Arpeggio_engraver, note_column);
 
 ADD_TRANSLATOR (Arpeggio_engraver,
-		/* doc */ "Generate an Arpeggio symbol",
-		/* create */ "Arpeggio",
-		/* accept */ "arpeggio-event",
-		/* read */ "",
-		/* write */ "");
+		/* doc */
+		"Generate an Arpeggio symbol.",
+
+		/* create */
+		"Arpeggio",
+
+		/* read */
+		"",
+
+		/* write */
+		""
+		);