X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrace-music.cc;h=f92d4ebb8c960548f99fb018cc2743f5c62d3109;hb=e34621159931fdbc7dff10973c2bc9ca38ab024c;hp=9e88f7b835cb21d35933b7e8c969f618c2643b90;hpb=5b6181075e3615dce049711973d3cd5caa60e5db;p=lilypond.git

diff --git a/lily/grace-music.cc b/lily/grace-music.cc
index 9e88f7b835..f92d4ebb8c 100644
--- a/lily/grace-music.cc
+++ b/lily/grace-music.cc
@@ -1,48 +1,26 @@
-/*   
-  grace-music.cc --  implement Grace_music
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 1999--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
-
-#include "grace-music.hh"
-#include "grace-iterator.hh"
+/*
+  grace-music.cc -- implement Grace_music
 
-void
-Grace_music::compress (Moment m) 
-{
-  Music_wrapper::compress (m); 
-}
-
-Moment
-Grace_music::length_mom () const
-{
-  Moment l = Music_wrapper::length_mom ();
-  Moment gl;
-  gl.grace_mom_ = l.main_part_ + l.grace_mom_ ;
-  return gl;
-}
+  source file of the GNU LilyPond music typesetter
 
+  (c) 1999--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
 
-Moment
-Grace_music::start_mom () const
-{
-  return Music::start_mom ();
-}
+#include "music.hh"
+#include "music-wrapper.hh"
 
-Grace_music::Grace_music ()
+class Grace_music
 {
-  set_mus_property ("iterator-ctor",
-		    Grace_iterator::constructor_cxx_function);
-}
+public:
+  DECLARE_SCHEME_CALLBACK (start_callback, (SCM));
+};
 
-Grace_music::Grace_music (SCM p)
-  : Music_wrapper (p)
+MAKE_SCHEME_CALLBACK (Grace_music, start_callback, 1);
+SCM
+Grace_music::start_callback (SCM m)
 {
-  set_mus_property ("iterator-ctor",
-		    Grace_iterator::constructor_cxx_function);
+  Moment *l = unsmob_moment (Music_wrapper::length_callback (m));
+  Moment gl;
+  gl.grace_part_ = -(l->main_part_ + l->grace_part_);
+  return gl.smobbed_copy ();
 }
-
-ADD_MUSIC (Grace_music);