-/*
- lyric-combine-music-iterator.cc -- implement Lyric_combine_music_iterator
-
+/*
+ new-lyric-combine-iterator.cc -- implement Lyric_combine_music_iterator
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-
-#include "translator-group.hh"
-#include "lyric-combine-music-iterator.hh"
-#include "lyric-combine-music.hh"
-#include "musical-request.hh"
-#include "note-head.hh"
+
+ (c) 2004--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#include "context.hh"
#include "grob.hh"
+#include "input.hh"
+#include "international.hh"
+#include "music-iterator.hh"
+#include "music.hh"
+class Lyric_combine_music_iterator : public Music_iterator
+{
+public:
+ Lyric_combine_music_iterator ();
+ 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 process (Moment);
+ virtual Music_iterator *try_music_in_children (Music *) const;
+ virtual bool run_always ()const;
+ virtual bool ok () const;
+ virtual void derived_mark () const;
+ virtual void derived_substitute (Context *, Context *);
+private:
+ bool start_new_syllable ();
+ void find_voice ();
+
+ bool pending_grace_lyric_;
+ bool music_found_;
+ bool made_association_;
+ Context *lyrics_context_;
+ Context *music_context_;
+ SCM lyricsto_voice_name_;
+
+ Music_iterator *lyric_iter_;
+};
/*
- Ugh, why static?
- */
-Busy_playing_req *busy_req;
-Melisma_req *melisma_start_req;
-Melisma_req *melisma_stop_req;
-Melisma_playing_req * melisma_playing_req;
+ Ugh; this is a hack, let's not export this hack, so static.
+*/
+static Music *busy_ev;
+static Music *start_ev;
+static Music *melisma_playing_ev;
Lyric_combine_music_iterator::Lyric_combine_music_iterator ()
{
- if (!busy_req)
+ music_found_ = false;
+ made_association_ = false;
+ pending_grace_lyric_ = false;
+ lyric_iter_ = 0;
+ music_context_ = 0;
+ lyrics_context_ = 0;
+
+ /*
+ Ugh. out of place here.
+ */
+ if (!busy_ev)
{
- busy_req = new Busy_playing_req;
- melisma_playing_req = new Melisma_playing_req;
- melisma_stop_req = new Melisma_req;
- melisma_start_req = new Melisma_req;
+ busy_ev
+ = make_music_by_name (ly_symbol2scm ("BusyPlayingEvent"));
+ start_ev
+ = make_music_by_name (ly_symbol2scm ("StartPlayingEvent"));
+ melisma_playing_ev
+ = make_music_by_name (ly_symbol2scm ("MelismaPlayingEvent"));
}
- melisma_start_req->set_span_dir (START);
- melisma_stop_req->set_span_dir (STOP);
-
- music_iter_p_ =0;
- lyric_iter_p_ =0;
+}
+
+bool
+Lyric_combine_music_iterator::start_new_syllable ()
+{
+ bool b = music_context_->try_music (busy_ev);
+
+ if (!b)
+ return false;
+
+ if (!lyrics_context_)
+ return false;
+
+ if (!to_boolean (lyrics_context_->get_property ("ignoreMelismata")))
+ {
+ bool m = music_context_->try_music (melisma_playing_ev);
+ if (m)
+ return false;
+ }
+
+ return true;
}
Moment
Lyric_combine_music_iterator::pending_moment () const
{
- Moment musnext = music_iter_p_->pending_moment ();
- return musnext;
+ Moment m;
+
+ m.set_infinite (1);
+
+ return m;
+}
+
+bool
+Lyric_combine_music_iterator::run_always () const
+{
+ return true;
}
bool
Lyric_combine_music_iterator::ok () const
{
- return music_iter_p_->ok ();
+ return lyric_iter_ && lyric_iter_->ok ();
}
+void
+Lyric_combine_music_iterator::derived_mark ()const
+{
+ if (lyric_iter_)
+ scm_gc_mark (lyric_iter_->self_scm ());
+ if (lyrics_context_)
+ scm_gc_mark (lyrics_context_->self_scm ());
+ if (music_context_)
+ scm_gc_mark (music_context_->self_scm ());
+}
void
-Lyric_combine_music_iterator::construct_children ()
+Lyric_combine_music_iterator::derived_substitute (Context *f, Context *t)
{
- Lyric_combine_music const * m = dynamic_cast<Lyric_combine_music const*> (music_l ());
-
- music_iter_p_ = get_iterator_p (m->music_l ());
- lyric_iter_p_ = get_iterator_p (m->lyrics_l ());
+ if (lyric_iter_)
+ lyric_iter_->substitute_outlet (f, t);
+ if (lyrics_context_ && lyrics_context_ == f)
+ lyrics_context_ = t;
+ if (music_context_ && music_context_ == f)
+ music_context_ = t;
}
-bool
-Lyric_combine_music_iterator::get_busy_status () const
+void
+Lyric_combine_music_iterator::construct_children ()
{
+ Music *m = unsmob_music (get_music ()->get_property ("element"));
+ lyric_iter_ = unsmob_iterator (get_iterator (m));
+
+ lyricsto_voice_name_ = get_music ()->get_property ("associated-context");
+
+ find_voice ();
+
+ if (lyric_iter_)
+ lyrics_context_ = find_context_below (lyric_iter_->get_outlet (),
+ ly_symbol2scm ("Lyrics"), "");
+
/*
- We have to use both the request and the busyGrobs queue. The
- busyGrobs queue doesn't contain any notes that have started this
- instant. */
- if (try_music (busy_req))
- return true;
-
- Translator_group * tr = music_iter_p_->report_to_l ();
-
- SCM grobs = tr->get_property ("busyGrobs");
- Moment now = tr->now_mom();
- for (; gh_pair_p (grobs); grobs = gh_cdr (grobs))
- {
- SCM grob = gh_cdar (grobs);
- Moment end =*unsmob_moment (gh_caar (grobs));
+ We do not create a Lyrics context, because the user might
+ create one with a different name, and then we will not find that
+ one.
+ */
+}
-
+void
+Lyric_combine_music_iterator::find_voice ()
+{
+ SCM voice_name = lyricsto_voice_name_;
+ SCM running = lyrics_context_
+ ? lyrics_context_->get_property ("associatedVoice")
+ : SCM_EOL;
+
+ if (scm_is_string (running))
+ voice_name = running;
+
+ if (scm_is_string (voice_name)
+ && (!music_context_ || ly_scm2string (voice_name) != music_context_->id_string ()))
+ {
/*
- This is slightly ugh: we are now confunding the frontend
- (iterators) and the backend (note heads) */
- if (end > now
- && Note_head::has_interface (unsmob_grob (grob)))
- return true;
+ (spaghettini).
+
+ Need to set associatedVoiceContext again
+ */
+ if (music_context_)
+ made_association_ = false;
+
+ Context *t = get_outlet ();
+ while (t && t->get_parent_context ())
+ t = t->get_parent_context ();
+
+ string name = ly_scm2string (voice_name);
+ Context *voice = find_context_below (t, ly_symbol2scm ("Voice"), name);
+
+ if (voice)
+ music_context_ = voice;
}
- return false;
+ if (lyrics_context_ && music_context_)
+ {
+ if (!made_association_)
+ {
+ made_association_ = true;
+ lyrics_context_->set_property ("associatedVoiceContext",
+ music_context_->self_scm ());
+ }
+ }
}
void
-Lyric_combine_music_iterator::process (Moment m)
+Lyric_combine_music_iterator::process (Moment mom)
{
- Moment my_next = music_iter_p_->pending_moment ();
- if (my_next > m)
+ (void) mom;
+ find_voice ();
+ if (!music_context_)
return;
-
- music_iter_p_->process (m);
- if ( get_busy_status ())
+ if (!music_context_->get_parent_context ())
+ {
+ /*
+ The melody has died.
+ We die too.
+ */
+ if (lyrics_context_)
+ lyrics_context_->unset_property (ly_symbol2scm ("associatedVoiceContext"));
+ lyric_iter_ = 0;
+ music_context_ = 0;
+ }
+
+ if (music_context_
+ && (start_new_syllable () || pending_grace_lyric_)
+ && lyric_iter_->ok ())
{
- bool melisma_b = try_music (melisma_playing_req);
- if (!melisma_b)
+ if (music_context_->now_mom ().grace_part_)
{
- if (lyric_iter_p_->ok ())
- {
- // FIXME
-#if 0 // devise a new way for this
- if (melisma_b && !melisma_started_b_)
- lyric_iter_p_->try_music (melisma_start_req);
- else if (melisma_started_b_)
- lyric_iter_p_->try_music (melisma_stop_req);
-#endif
-
- Moment m= lyric_iter_p_->pending_moment ();
- lyric_iter_p_->process (m);
- }
+ pending_grace_lyric_ = true;
+ return;
}
+ else
+ pending_grace_lyric_ = false;
+
+ Moment m = lyric_iter_->pending_moment ();
+ lyric_iter_->process (m);
+
+ music_found_ = true;
}
-
}
-Lyric_combine_music_iterator::~Lyric_combine_music_iterator ()
+void
+Lyric_combine_music_iterator::do_quit ()
{
- delete lyric_iter_p_;
- delete music_iter_p_;
-}
+ if (!music_found_)
+ {
+ SCM voice_name = get_music ()->get_property ("associated-context");
-Lyric_combine_music_iterator::Lyric_combine_music_iterator (Lyric_combine_music_iterator const & src)
- : Music_iterator (src)
-{
- lyric_iter_p_ = src.lyric_iter_p_ ? src.lyric_iter_p_->clone () : 0;
- music_iter_p_ = src.music_iter_p_ ? src.music_iter_p_->clone () : 0;
+ string name;
+ if (scm_is_string (voice_name))
+ name = ly_scm2string (voice_name);
+
+ get_music ()->origin ()->warning (_f ("cannot find Voice `%s'",
+ name.c_str ()) + "\n");
+ }
+
+ if (lyric_iter_)
+ lyric_iter_->quit ();
}
-Music_iterator*
+Music_iterator *
Lyric_combine_music_iterator::try_music_in_children (Music *m) const
{
- Music_iterator * i = music_iter_p_->try_music (m);
- if (i)
- return i;
- else
- return lyric_iter_p_->try_music (m);
+ return lyric_iter_->try_music (m);
}
-
IMPLEMENT_CTOR_CALLBACK (Lyric_combine_music_iterator);