X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flyric-combine-music-iterator.cc;h=ca31364695edcce5113d0cf347000b1b536f7d9a;hb=71f73f018876fffc1886e3da59776f3f1c8200f4;hp=127945b3d6276e47848c17c2f7b76560bbc3e3ce;hpb=d765f3af45be51f15da55cf570a4b172200e1035;p=lilypond.git diff --git a/lily/lyric-combine-music-iterator.cc b/lily/lyric-combine-music-iterator.cc index 127945b3d6..ca31364695 100644 --- a/lily/lyric-combine-music-iterator.cc +++ b/lily/lyric-combine-music-iterator.cc @@ -1,42 +1,74 @@ -/* - 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--2002 Han-Wen Nienhuys - - */ - -#include "translator-group.hh" -#include "lyric-combine-music-iterator.hh" -#include "lyric-combine-music.hh" -#include "musical-request.hh" + + (c) 1999--2005 Han-Wen Nienhuys +*/ + +#include "context.hh" +#include "event.hh" #include "note-head.hh" #include "grob.hh" +#include "music-iterator.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 ok () const; + virtual void derived_mark () const; + virtual void derived_substitute (Context *, Context *); +private: + 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_; +}; +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? - */ -Busy_playing_req *busy_req; -Melisma_req *melisma_start_req; -Melisma_req *melisma_stop_req; -Melisma_playing_req * melisma_playing_req; +*/ +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 = new Busy_playing_req; - melisma_playing_req = new Melisma_playing_req; - melisma_stop_req = new Melisma_req; - melisma_start_req = new Melisma_req; - melisma_start_req->set_span_dir (START); - melisma_stop_req->set_span_dir (STOP); + busy_req + = make_music_by_name (ly_symbol2scm ("BusyPlayingEvent")); + melisma_playing_req + = make_music_by_name (ly_symbol2scm ("MelismaPlayingEvent")); } - - music_iter_ =0; - lyric_iter_ =0; } Moment @@ -53,43 +85,70 @@ Lyric_combine_music_iterator::ok () const } 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 (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 Lyric_combine_music_iterator::get_busy_status () const { /* - We have to use both the request and the busyGrobs queue. The + We have to use both the event 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_->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) */ @@ -101,59 +160,48 @@ Lyric_combine_music_iterator::get_busy_status () const return false; } +bool +Lyric_combine_music_iterator::melisma_busy () +{ + /* 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); +} + void Lyric_combine_music_iterator::process (Moment m) { Moment my_next = music_iter_->pending_moment (); if (my_next > m) return; - + music_iter_->process (m); - if (get_busy_status ()) + if (get_busy_status () && !melisma_busy () && lyric_iter_->ok ()) { - bool melisma_b = try_music (melisma_playing_req); - if (!melisma_b) - { - if (lyric_iter_->ok ()) - { - Moment m= lyric_iter_->pending_moment (); - lyric_iter_->process (m); - } - } + Moment m = lyric_iter_->pending_moment (); + lyric_iter_->process (m); } - } + void 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_ = src.lyric_iter_ ? src.lyric_iter_->clone () : 0; - music_iter_ = src.music_iter_ ? src.music_iter_->clone () : 0; - 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);