2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2006--2011 Han-Wen Nienhuys <hanwen@lilypond.org>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "engraver.hh"
22 #include "stream-event.hh"
26 #include "translator.icc"
28 class Footnote_engraver : public Engraver
30 TRANSLATOR_DECLARATIONS (Footnote_engraver);
32 DECLARE_TRANSLATOR_LISTENER (footnote);
33 DECLARE_ACKNOWLEDGER (grob);
34 vector<Stream_event *> events_;
36 void stop_translation_timestep ();
38 void footnotify (Grob *, Stream_event *);
41 IMPLEMENT_TRANSLATOR_LISTENER (Footnote_engraver, footnote);
43 Footnote_engraver::listen_footnote (Stream_event *ev)
45 events_.push_back (ev);
49 Footnote_engraver::stop_translation_timestep ()
54 Footnote_engraver::Footnote_engraver ()
59 Footnote_engraver::footnotify (Grob *g, Stream_event *event)
61 Spanner *s = dynamic_cast<Spanner *>(g);
65 Spanner *b = make_spanner ("FootnoteSpanner", event->self_scm ());
66 b->set_property ("footnote-text", event->get_property ("footnote-text"));
67 b->set_property ("text", event->get_property ("text"));
68 b->set_parent (s, Y_AXIS);
69 b->set_parent (s, X_AXIS);
70 bool bar = scm_is_string (get_property ("whichBar"));
71 Grob *bound = unsmob_grob (bar
72 ? get_property ("currentCommandColumn")
73 : get_property ("currentMusicalColumn"));
74 b->set_bound (LEFT, bound);
75 b->set_bound (RIGHT, bound);
76 b->set_property ("parent-spanner", s->self_scm ());
80 Grob *b = make_item ("Footnote", event->self_scm ());
81 b->set_property ("footnote-text", event->get_property ("footnote-text"));
82 b->set_property ("text", event->get_property ("text"));
83 b->set_parent (g, Y_AXIS);
84 b->set_parent (g, X_AXIS);
89 Footnote_engraver::acknowledge_grob (Grob_info info)
91 Stream_event *cause = info.event_cause ();
93 SCM arts = cause ? cause->get_property ("articulations") : SCM_EOL;
94 for (SCM s = arts; scm_is_pair (s); s = scm_cdr (s))
96 Stream_event *e = unsmob_stream_event (scm_car (s));
97 if (e->in_event_class ("footnote-event"))
99 footnotify (info.grob (), e);
103 for (vsize i = 0; i < events_.size (); i++)
105 if (info.grob ()->name () == ly_symbol2string (events_[i]->get_property ("symbol")))
106 footnotify (info.grob (), events_[i]);
112 ADD_ACKNOWLEDGER (Footnote_engraver, grob);
114 ADD_TRANSLATOR (Footnote_engraver,
116 "Create footnote texts.",