X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flyric-combine-music-iterator.cc;h=ca31364695edcce5113d0cf347000b1b536f7d9a;hb=71f73f018876fffc1886e3da59776f3f1c8200f4;hp=6052b89ffd8e80577b71bfe46617d68e27449ea9;hpb=4995fea559cd5399b4f462de546a15195d76f4c3;p=lilypond.git diff --git a/lily/lyric-combine-music-iterator.cc b/lily/lyric-combine-music-iterator.cc index 6052b89ffd..ca31364695 100644 --- a/lily/lyric-combine-music-iterator.cc +++ b/lily/lyric-combine-music-iterator.cc @@ -1,119 +1,207 @@ -/* - 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--2001 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; + busy_req + = make_music_by_name (ly_symbol2scm ("BusyPlayingEvent")); + melisma_playing_req + = 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; } Moment Lyric_combine_music_iterator::pending_moment () const { - Moment musnext = music_iter_p_->pending_moment (); + Moment musnext = music_iter_->pending_moment (); return musnext; } bool Lyric_combine_music_iterator::ok () const { - return music_iter_p_->ok (); + return music_iter_->ok (); } +void +Lyric_combine_music_iterator::derived_mark ()const +{ + if (music_iter_) + scm_gc_mark (music_iter_->self_scm ()); + if (lyric_iter_) + 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 (music_l ()); - - music_iter_p_ = get_iterator_p (m->music_l ()); - lyric_iter_p_ = get_iterator_p (m->lyrics_l ()); + 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 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; + + Context *tr = music_iter_->get_outlet (); + + SCM grobs = tr->get_property ("busyGrobs"); + Moment now = tr->now_mom (); + for (; scm_is_pair (grobs); grobs = scm_cdr (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) */ + if (end > now + && Note_head::has_interface (unsmob_grob (grob))) + return true; + } + + 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_p_->pending_moment (); + Moment my_next = music_iter_->pending_moment (); if (my_next > m) return; - - music_iter_p_->process (m); - bool busy = try_music (busy_req); - if (busy) + music_iter_->process (m); + + if (get_busy_status () && !melisma_busy () && lyric_iter_->ok ()) { - bool melisma_b = try_music (melisma_playing_req); - if (!melisma_b) - { - 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); - } - } + Moment m = lyric_iter_->pending_moment (); + lyric_iter_->process (m); } - } -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_iter_) + music_iter_->quit (); + if (lyric_iter_) + lyric_iter_->quit (); } -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; -} -Music_iterator* +Music_iterator * Lyric_combine_music_iterator::try_music_in_children (Music *m) const { - Music_iterator * i = music_iter_p_->try_music (m); + Music_iterator *i = music_iter_->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);