-/*
-new-lyric-combine-iterator.cc -- implement New_lyric_combine_music_iterator
-
-source file of the GNU LilyPond music typesetter
-
-(c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
- */
+/*
+ new-lyric-combine-iterator.cc -- implement New_lyric_combine_music_iterator
+
+ source file of the GNU LilyPond music typesetter
+
+ (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
-#include "translator-group.hh"
+#include "context.hh"
#include "lyric-combine-music.hh"
#include "event.hh"
#include "grob.hh"
class New_lyric_combine_music_iterator : public Music_iterator
{
public:
- VIRTUAL_COPY_CONS (Music_iterator);
New_lyric_combine_music_iterator ();
New_lyric_combine_music_iterator (New_lyric_combine_music_iterator const&src);
- DECLARE_SCHEME_CALLBACK(constructor, ());
+ 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 run_always ()const;
virtual bool ok () const;
virtual void derived_mark () const;
- virtual void derived_substitute (Translator_group*,Translator_group*);
+ virtual void derived_substitute (Context *,Context *);
private:
bool start_new_syllable () ;
- void find_thread ();
+ void find_voice ();
+
+ bool music_found_;
+ bool made_association_;
+ Context * lyrics_context_;
+ Context * music_context_;
+ SCM lyricsto_voice_name_;
- Translator_group * lyrics_context_;
- Translator_group* music_context_;
Music_iterator * lyric_iter_;
};
New_lyric_combine_music_iterator::New_lyric_combine_music_iterator ()
{
+ music_found_ = false;
+ made_association_ = false;
lyric_iter_ =0;
music_context_ =0;
lyrics_context_ = 0;
+
+ /*
+ Ugh. out of place here.
+ */
if (!busy_ev)
{
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);
}
void
-New_lyric_combine_music_iterator::derived_mark()const
+New_lyric_combine_music_iterator::derived_mark ()const
{
if (lyric_iter_)
scm_gc_mark (lyric_iter_->self_scm ());
}
void
-New_lyric_combine_music_iterator::derived_substitute (Translator_group*f, Translator_group*t)
+New_lyric_combine_music_iterator::derived_substitute (Context *f, Context *t)
{
if (lyric_iter_)
lyric_iter_->substitute_outlet (f,t);
music_context_ = t;
}
-/*
- ID == "" means accept any ID.
- */
-Translator_group *
-find_context_below (Translator_group * where,
- String type, String id)
-{
- if (where->context_name () == type)
- {
- if (id == "" || where->id_string_ == id)
- return where;
- }
-
- Translator_group * found = 0;
- for (SCM s = where->trans_group_list_;
- !found && gh_pair_p (s); s = gh_cdr (s))
- {
- Translator_group * tr = dynamic_cast<Translator_group*> (unsmob_translator (gh_car (s)));
-
-
- found = find_context_below (tr, type, id);
- }
-
- return found;
-}
-
-
void
New_lyric_combine_music_iterator::construct_children ()
{
- Music *m = unsmob_music (get_music ()->get_mus_property ("element"));
+ Music *m = unsmob_music (get_music ()->get_property ("element"));
lyric_iter_ = unsmob_iterator (get_iterator (m));
- if (lyric_iter_)
- {
- lyrics_context_ = find_context_below (lyric_iter_->report_to (), "LyricsVoice", "");
- }
+ lyricsto_voice_name_ = get_music ()->get_property ("associated-context");
- find_thread ();
+
+ find_voice ();
+
+ if (lyric_iter_)
+ lyrics_context_ = find_context_below (lyric_iter_->get_outlet (),
+ ly_symbol2scm ("Lyrics"), "");
+
+ /*
+ 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
-New_lyric_combine_music_iterator::find_thread ()
+New_lyric_combine_music_iterator::find_voice ()
{
- if (!music_context_)
+ 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 ()))
{
- SCM voice_name = get_music ()->get_mus_property ("associated-context");
-
- if (gh_string_p (voice_name))
+ /*
+ (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;
+ }
+
+ if (lyrics_context_ && music_context_)
+ {
+ if (!made_association_)
{
- Translator_group *t = report_to ();
- while (t && t->daddy_trans_)
- t = t->daddy_trans_;
-
- String name = ly_scm2string (voice_name);
- Translator_group* voice = find_context_below (t, "Voice", name);
- Translator_group *thread = 0;
- if (voice)
- thread = find_context_below (voice, "Thread", "");
- else
- get_music ()->origin ()->warning (_f("Cannot find Voice: %s\n", name.to_str0()));
-
- if (thread)
- music_context_ = thread;
-
- if (lyrics_context_ && voice)
- lyrics_context_->set_property ("associatedVoiceContext", voice->self_scm ());
+ made_association_ = true;
+ lyrics_context_->set_property ("associatedVoiceContext",
+ music_context_->self_scm ());
}
}
}
void
New_lyric_combine_music_iterator::process (Moment )
{
- find_thread ();
+ find_voice ();
if (!music_context_)
return ;
- if (!music_context_->daddy_trans_)
+ if (!music_context_->get_parent_context ())
{
- music_context_ = 0;
+ /*
+ 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_
{
Moment m= lyric_iter_->pending_moment ();
lyric_iter_->process (m);
+
+ music_found_ = true;
}
}
void
New_lyric_combine_music_iterator::do_quit ()
{
- if (lyric_iter_)
- lyric_iter_->quit();
-}
+ if (!music_found_)
+ {
+ SCM voice_name = get_music ()->get_property ("associated-context");
-New_lyric_combine_music_iterator::New_lyric_combine_music_iterator (New_lyric_combine_music_iterator const & src)
- : Music_iterator (src)
-{
- lyric_iter_ = 0;
+ String name;
+ if (scm_is_string (voice_name))
+ name = ly_scm2string (voice_name);
- if (src.lyric_iter_)
- lyric_iter_ = src.lyric_iter_->clone ();
+ get_music ()->origin ()->warning (_f ("cannot find Voice `%s'",
+ name.to_str0 ()) + "\n");
+ }
if (lyric_iter_)
- scm_gc_unprotect_object (lyric_iter_->self_scm());
-
- music_context_ = src.music_context_;
- lyric_iter_ = src.lyric_iter_;
-
-
- assert (false); // shouldn't copy, really.
+ lyric_iter_->quit ();
}
+
Music_iterator*
New_lyric_combine_music_iterator::try_music_in_children (Music *m) const
{
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