2 melisma-engraver.cc -- implement Melisma_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #include "engraver.hh"
13 #include "translator-group.hh"
16 Signal existence of melismas.
18 class Melisma_engraver:public Engraver
21 TRANSLATOR_DECLARATIONS(Melisma_engraver);
22 bool try_music (Music *);
29 how's this supposed to work?
32 Melisma_engraver::try_music (Music *m)
34 SCM plain (get_property ("melismaBusy"));
35 SCM slur (get_property ("slurMelismaBusy"));
36 SCM tie (get_property ("tieMelismaBusy"));
37 SCM beam (get_property ("beamMelismaBusy"));
39 if ((to_boolean (plain))
40 || (to_boolean (slur))
42 || (to_boolean (beam)))
45 daddy_trans_->set_property ("melismaEngraverBusy",SCM_BOOL_T);
50 daddy_trans_->set_property ("melismaEngraverBusy",SCM_BOOL_F);
55 Melisma_engraver::Melisma_engraver()
59 ENTER_DESCRIPTION(Melisma_engraver,
62 /* accepts */ "melisma-playing-event",
64 /* reads */ "melismaBusy slurMelismaBusy tieMelismaBusy beamMelismaBusy",
65 /* write */ "melismaEngraverBusy");