/*
- grace-music.cc -- implement Grace_music
+ grace-music.cc -- implement Grace_music
- source file of the GNU LilyPond music typesetter
+ source file of the GNU LilyPond music typesetter
- (c) 1999--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
- */
+*/
-#include "grace-music.hh"
-#include "grace-iterator.hh"
+#include "music.hh"
+#include "music-wrapper.hh"
-void
-Grace_music::compress (Moment)
+class Grace_music
{
-
-}
-
-Moment
-Grace_music::length_mom () const
-{
- return 0;
-}
+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 ();
}