/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2006--2011 Han-Wen Nienhuys <hanwen@lilypond.org>
+ Copyright (C) 2011--2012 Mike Solomon <mike@apollinemike.com>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "engraver.hh"
+#include "music.hh"
#include "stream-event.hh"
+#include "international.hh"
#include "item.hh"
+#include "pointer-group-interface.hh"
#include "spanner.hh"
+#include "system.hh"
#include "translator.icc"
DECLARE_TRANSLATOR_LISTENER (footnote);
DECLARE_ACKNOWLEDGER (grob);
+ DECLARE_END_ACKNOWLEDGER (grob);
vector<Stream_event *> events_;
+ vector<Drul_array<Spanner *> > annotated_spanners_;
void stop_translation_timestep ();
+ void finalize ();
+ virtual void derived_mark () const;
- void footnotify (Grob *, Stream_event *);
+ void footnotify (Grob *, SCM);
};
IMPLEMENT_TRANSLATOR_LISTENER (Footnote_engraver, footnote);
events_.clear ();
}
+void
+Footnote_engraver::finalize ()
+{
+ annotated_spanners_.clear ();
+}
+
+void
+Footnote_engraver::derived_mark () const
+{
+ for (vsize i = 0; i < events_.size (); ++i)
+ scm_gc_mark (events_[i]->self_scm ());
+}
+
Footnote_engraver::Footnote_engraver ()
{
}
void
-Footnote_engraver::footnotify (Grob *g, Stream_event *event)
+Footnote_engraver::footnotify (Grob *g, SCM cause)
{
Spanner *s = dynamic_cast<Spanner *>(g);
-
+
if (s)
{
- Spanner *b = make_spanner ("FootnoteSpanner", event->self_scm ());
- b->set_property ("footnote-text", event->get_property ("footnote-text"));
- b->set_property ("text", event->get_property ("text"));
+ Spanner *b = make_spanner ("FootnoteSpanner", cause);
b->set_parent (s, Y_AXIS);
b->set_parent (s, X_AXIS);
- bool bar = scm_is_string (get_property ("whichBar"));
- Grob *bound = unsmob_grob (bar
- ? get_property ("currentCommandColumn")
- : get_property ("currentMusicalColumn"));
+ Grob *bound = unsmob_grob (get_property ("currentMusicalColumn"));
b->set_bound (LEFT, bound);
- b->set_bound (RIGHT, bound);
- b->set_property ("parent-spanner", s->self_scm ());
+ annotated_spanners_.push_back (Drul_array<Spanner *> (s, b));
}
else
{
- Grob *b = make_item ("Footnote", event->self_scm ());
- b->set_property ("footnote-text", event->get_property ("footnote-text"));
- b->set_property ("text", event->get_property ("text"));
+ Grob *b = make_item ("FootnoteItem", cause);
b->set_parent (g, Y_AXIS);
b->set_parent (g, X_AXIS);
}
void
Footnote_engraver::acknowledge_grob (Grob_info info)
{
- Stream_event *cause = info.event_cause ();
+ Music *mus = unsmob_music (info.grob ()->get_property ("footnote-music"));
- SCM arts = cause ? cause->get_property ("articulations") : SCM_EOL;
- for (SCM s = arts; scm_is_pair (s); s = scm_cdr (s))
+ if (mus)
{
- Stream_event *e = unsmob_stream_event (scm_car (s));
- if (e->in_event_class ("footnote-event"))
+ if (!mus->is_mus_type ("footnote-event"))
{
- footnotify (info.grob (), e);
+ mus->origin ()->programming_error (_ ("Must be footnote-event."));
+ return;
}
+
+ footnotify (info.grob (), mus->to_event (context ())->unprotect ());
+
+ // This grob has exhausted its footnote
+ info.grob ()->set_property ("footnote-music", SCM_EOL);
+ return;
}
- for (vsize i = 0; i < events_.size (); i++)
+ if (!events_.empty ())
{
- if (info.grob ()->name () == ly_symbol2string (events_[i]->get_property ("symbol")))
- footnotify (info.grob (), events_[i]);
+ string grobname = info.grob ()->name ();
+
+ for (vsize i = 0; i < events_.size (); i++)
+ {
+ SCM name = events_[i]->get_property ("symbol");
+ if (scm_is_symbol (name)
+ && grobname == ly_symbol2string (name))
+ {
+ footnotify (info.grob (), events_[i]->self_scm ());
+ // Event has exhausted its footnote
+ events_[i]->set_property ("symbol", SCM_EOL);
+ }
+ }
}
}
+void
+Footnote_engraver::acknowledge_end_grob (Grob_info info)
+{
+ Spanner *s = dynamic_cast<Spanner *>(info.grob ());
+ if (s)
+ for (vsize i = 0; i < annotated_spanners_.size (); i++)
+ {
+ if (annotated_spanners_[i][LEFT] == s)
+ {
+ Grob *bound = unsmob_grob (get_property ("currentMusicalColumn"));
+ annotated_spanners_[i][RIGHT]->set_bound (RIGHT, bound);
+ break;
+ }
+ }
+}
ADD_ACKNOWLEDGER (Footnote_engraver, grob);
+ADD_END_ACKNOWLEDGER (Footnote_engraver, grob);
ADD_TRANSLATOR (Footnote_engraver,
- /* doc */
- "Create footnote texts.",
+ /* doc */
+ "Create footnote texts.",
- /* create */
- "Footnote ",
+ /* create */
+ "FootnoteItem "
+ "FootnoteSpanner ",
- /*read*/
- "",
+ /*read*/
+ "currentMusicalColumn ",
- /*write*/
- ""
- );
+ /*write*/
+ ""
+ );