-/*
- lyric-combine-music-iterator.cc -- implement Lyric_combine_music_iterator
-
+/*
+ lyric-combine-music-iterator.cc -- implement Lyric_combine_music_iterator
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "translator-group.hh"
-#include "lyric-combine-music.hh"
+ (c) 1999--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+
+#include "context.hh"
#include "event.hh"
#include "note-head.hh"
#include "grob.hh"
class Lyric_combine_music_iterator : public Music_iterator
{
public:
- VIRTUAL_COPY_CONS (Music_iterator);
Lyric_combine_music_iterator ();
- Lyric_combine_music_iterator (Lyric_combine_music_iterator const&src);
- DECLARE_SCHEME_CALLBACK(constructor, ());
+ Lyric_combine_music_iterator (Lyric_combine_music_iterator const &src);
+ DECLARE_SCHEME_CALLBACK (constructor, ());
protected:
virtual void construct_children ();
virtual Moment pending_moment () const;
- virtual void do_quit();
+ virtual void do_quit ();
virtual void process (Moment);
virtual Music_iterator *try_music_in_children (Music *) const;
virtual bool ok () const;
virtual void derived_mark () const;
+ virtual void derived_substitute (Context *, Context *);
private:
- bool get_busy_status ()const ;
- bool melisma_busy ();
-
+ bool get_busy_status ()const;
+ bool melisma_busy ();
+ Music *get_combine_lyrics () const;
+ Music *get_combine_music () const;
- Music_iterator * music_iter_;
- Music_iterator * lyric_iter_;
+ Music_iterator *music_iter_;
+ Music_iterator *lyric_iter_;
};
+bool
+melisma_busy (Context *tr)
+{
+ SCM melisma_properties = tr->get_property ("melismaBusyProperties");
+ bool busy = false;
+
+ for (; scm_is_pair (melisma_properties);
+ melisma_properties = scm_cdr (melisma_properties))
+ busy = busy || to_boolean (tr->internal_get_property (scm_car (melisma_properties)));
+ return busy;
+}
/*
Ugh, why static?
- */
+*/
Music *busy_req;
Music *melisma_playing_req;
Lyric_combine_music_iterator::Lyric_combine_music_iterator ()
{
+ music_iter_ = 0;
+ lyric_iter_ = 0;
+
if (!busy_req)
{
busy_req
melisma_playing_req
= make_music_by_name (ly_symbol2scm ("MelismaPlayingEvent"));
}
-
- music_iter_ =0;
- lyric_iter_ =0;
}
Moment
}
void
-Lyric_combine_music_iterator::derived_mark()const
+Lyric_combine_music_iterator::derived_mark ()const
{
if (music_iter_)
- scm_gc_mark (music_iter_->self_scm());
+ scm_gc_mark (music_iter_->self_scm ());
if (lyric_iter_)
- scm_gc_mark (lyric_iter_->self_scm());
+ scm_gc_mark (lyric_iter_->self_scm ());
+}
+
+void
+Lyric_combine_music_iterator::derived_substitute (Context *f, Context *t)
+{
+ if (music_iter_)
+ music_iter_->substitute_outlet (f, t);
+ if (lyric_iter_)
+ lyric_iter_->substitute_outlet (f, t);
+}
+
+Music *
+Lyric_combine_music_iterator::get_combine_music () const
+{
+ SCM l = get_music ()->get_property ("elements");
+ if (!scm_is_pair (l))
+ return 0;
+ return unsmob_music (scm_car (l));
+}
+
+Music *
+Lyric_combine_music_iterator::get_combine_lyrics () const
+{
+ SCM l = get_music ()->get_property ("elements");
+ if (!scm_is_pair (l))
+ return 0;
+ l = scm_cdr (l);
+ if (!scm_is_pair (l))
+ return 0;
+ return unsmob_music (scm_car (l));
}
void
Lyric_combine_music_iterator::construct_children ()
{
- Lyric_combine_music const * m = dynamic_cast<Lyric_combine_music const*> (get_music ());
-
- music_iter_ = unsmob_iterator (get_iterator (m->get_music ()));
- lyric_iter_ = unsmob_iterator (get_iterator (m->get_lyrics ()));
+ music_iter_ = unsmob_iterator (get_iterator (get_combine_music ()));
+ lyric_iter_ = unsmob_iterator (get_iterator (get_combine_lyrics ()));
}
bool
instant. */
if (try_music (busy_req))
return true;
-
- Translator_group * tr = music_iter_->report_to ();
+
+ Context *tr = music_iter_->get_outlet ();
SCM grobs = tr->get_property ("busyGrobs");
- Moment now = tr->now_mom();
- for (; gh_pair_p (grobs); grobs = gh_cdr (grobs))
+ Moment now = tr->now_mom ();
+ for (; scm_is_pair (grobs); grobs = scm_cdr (grobs))
{
- SCM grob = gh_cdar (grobs);
- Moment end =*unsmob_moment (gh_caar (grobs));
+ SCM grob = scm_cdar (grobs);
+ Moment end = *unsmob_moment (scm_caar (grobs));
-
/*
This is slightly ugh: we are now confunding the frontend
(iterators) and the backend (note heads) */
return false;
}
-
bool
Lyric_combine_music_iterator::melisma_busy ()
{
-#if 0
-
- Translator_group * trg = music_iter_->report_to();
- bool melisma_busy= to_boolean (trg->get_property ("melismaBusy"));
-
- melisma_busy = melisma_busy || to_boolean (trg->get_property ("slurMelismaBusy"));
- melisma_busy = melisma_busy || to_boolean (trg->get_property ("tieMelismaBusy"));
- melisma_busy = melisma_busy || to_boolean (trg->get_property ("beamMelismaBusy"));
- return melisma_busy;
-
-#else
-
- /*
- The above code is nicer since it doesn't rely on a special
- engraver to signal the melisma status. Unfortunately,
- music_iter_->report_to() might not be the context that sets the
- melisma properties, but rather a parent context.
- */
+ /* We cannot read the property, since music_iter_->get_outlet () might
+ not be the context that sets the melisma properties, but rather a
+ parent context. */
return music_iter_->try_music (melisma_playing_req);
-#endif
-
}
void
Moment my_next = music_iter_->pending_moment ();
if (my_next > m)
return;
-
+
music_iter_->process (m);
if (get_busy_status () && !melisma_busy () && lyric_iter_->ok ())
{
- Moment m= lyric_iter_->pending_moment ();
+ Moment m = lyric_iter_->pending_moment ();
lyric_iter_->process (m);
}
}
Lyric_combine_music_iterator::do_quit ()
{
if (music_iter_)
- music_iter_->quit();
+ music_iter_->quit ();
if (lyric_iter_)
- lyric_iter_->quit();
-
+ lyric_iter_->quit ();
}
-Lyric_combine_music_iterator::Lyric_combine_music_iterator (Lyric_combine_music_iterator const & src)
- : Music_iterator (src)
-{
- lyric_iter_ = 0;
- music_iter_ = 0;
- if (src.lyric_iter_)
- lyric_iter_ = src.lyric_iter_->clone ();
- if (src.music_iter_)
- music_iter_ = src.music_iter_->clone ();
-
- if (lyric_iter_)
- scm_gc_unprotect_object (lyric_iter_->self_scm());
- if (music_iter_)
- scm_gc_unprotect_object (music_iter_->self_scm());
-}
-
-Music_iterator*
+Music_iterator *
Lyric_combine_music_iterator::try_music_in_children (Music *m) const
{
- Music_iterator * i = music_iter_->try_music (m);
+ Music_iterator *i = music_iter_->try_music (m);
if (i)
return i;
else
return lyric_iter_->try_music (m);
}
-
IMPLEMENT_CTOR_CALLBACK (Lyric_combine_music_iterator);
projects / lilypond.git / blobdiff