/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2011--2012 Mike Solomon <mike@apollinemike.com>
+ Copyright (C) 2011--2015 Mike Solomon <mike@mikesolomon.org>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
{
TRANSLATOR_DECLARATIONS (Footnote_engraver);
- DECLARE_TRANSLATOR_LISTENER (footnote);
- DECLARE_ACKNOWLEDGER (grob);
- DECLARE_END_ACKNOWLEDGER (grob);
- vector<Stream_event *> events_;
+ void acknowledge_grob (Grob_info);
+ void acknowledge_end_grob (Grob_info);
+
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);
-void
-Footnote_engraver::listen_footnote (Stream_event *ev)
-{
- events_.push_back (ev);
-}
-
-void
-Footnote_engraver::stop_translation_timestep ()
-{
- 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 ()
+Footnote_engraver::Footnote_engraver (Context *c)
+ : Engraver (c)
{
}
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 ());
+ Spanner *b = make_spanner ("FootnoteSpanner", cause);
b->set_parent (s, Y_AXIS);
b->set_parent (s, X_AXIS);
- Grob *bound = unsmob_grob (get_property ("currentMusicalColumn"));
+ Grob *bound = unsmob<Grob> (get_property ("currentMusicalColumn"));
b->set_bound (LEFT, bound);
annotated_spanners_.push_back (Drul_array<Spanner *> (s, b));
}
else
{
- Grob *b = make_item ("FootnoteItem", event->self_scm ());
+ 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)
{
- Music *mus = unsmob_music (info.grob ()->get_property ("footnote-music"));
+ Music *mus = unsmob<Music> (info.grob ()->get_property ("footnote-music"));
if (mus)
{
- if (!mus->is_mus_type ("footnote-event")) {
- mus->origin ()->programming_error (_ ("Must be footnote-event."));
- return;
- }
- Stream_event *ev = mus->to_event (context ());
- footnotify (info.grob (), ev);
- ev->unprotect ();
- return;
- }
-
- // The following performance hog should eventually be removed:
- // instead of adding a -\footnote ... \default articulation at the
- // end of a note, you can perfectly well use \footnote ... before
- // the note. This is just for the sake of automatic convert-ly
- // rules.
+ if (!mus->is_mus_type ("footnote-event"))
+ {
+ mus->origin ()->programming_error (_ ("Must be footnote-event."));
+ return;
+ }
- Stream_event *cause = info.event_cause ();
-
- SCM arts = cause ? cause->get_property ("articulations") : SCM_EOL;
- for (SCM s = arts; scm_is_pair (s); s = scm_cdr (s))
- {
- Stream_event *e = unsmob_stream_event (scm_car (s));
- if (e->in_event_class ("footnote-event"))
- footnotify (info.grob (), e);
- }
+ footnotify (info.grob (), mus->to_event ()->unprotect ());
- // In contrast, the following code is only called when actual
- // footnote events have been listened to. It should not affect
- // performance.
+ // This grob has exhausted its footnote
+ info.grob ()->set_property ("footnote-music", SCM_EOL);
- for (vsize i = 0; i < events_.size (); i++)
- {
- SCM name = events_[i]->get_property ("symbol");
- if (!scm_is_symbol (name)
- || info.grob ()->name () == ly_symbol2string (name))
- footnotify (info.grob (), events_[i]);
+ return;
}
}
{
if (annotated_spanners_[i][LEFT] == s)
{
- Grob *bound = unsmob_grob (get_property ("currentMusicalColumn"));
+ 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);
+
+void
+Footnote_engraver::boot ()
+{
+ ADD_ACKNOWLEDGER (Footnote_engraver, grob);
+ ADD_END_ACKNOWLEDGER (Footnote_engraver, grob);
+}
ADD_TRANSLATOR (Footnote_engraver,
/* doc */