-/*
- relative-music.cc -- implement Relative_octave_music
-
+/*
+ relative-music.cc -- implement Relative_octave_music
+
source file of the GNU LilyPond music typesetter
-
- (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "relative-music.hh"
+ (c) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#include "music.hh"
#include "warn.hh"
+#include "program-option.hh"
-Pitch
-Relative_octave_music::to_relative_octave (Pitch)
+class Relative_octave_music
{
- return * unsmob_pitch (get_mus_property ("last-pitch"));
-}
+public:
+ DECLARE_SCHEME_CALLBACK (relative_callback, (SCM, SCM));
+ DECLARE_SCHEME_CALLBACK (no_relative_callback, (SCM, SCM));
+};
-
-Relative_octave_music::Relative_octave_music (SCM l)
- : Music_wrapper (l)
+MAKE_SCHEME_CALLBACK (Relative_octave_music, no_relative_callback, 2)
+ SCM
+Relative_octave_music::no_relative_callback (SCM /* music */,
+ SCM pitch)
{
- set_mus_property ("type", ly_symbol2scm ("relative-octave-music"));
+ return pitch;
}
-Relative_octave_music::Relative_octave_music ()
+MAKE_SCHEME_CALLBACK (Relative_octave_music, relative_callback, 2)
+ SCM
+Relative_octave_music::relative_callback (SCM music, SCM pitch)
{
- set_mus_property ("type", ly_symbol2scm ("relative-octave-music"));
+ Music *me = unsmob_music (music);
+ if (lily_1_8_relative)
+ {
+ lily_1_8_compatibility_used = true;
+ /* last-pitch should be junked some time, when
+ we ditch 1.8 compat too.
+
+ When you do, B should start where A left off.
+
+ \relative { A \relative { ...} B } */
+ SCM last_pitch = me->get_property ("last-pitch");
+ Pitch *ptr = unsmob_pitch (last_pitch);
+ return (ptr) ? last_pitch : pitch;
+ }
+ else
+ return pitch;
}
-ADD_MUSIC (Relative_octave_music);