2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
7 LilyPond is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 LilyPond is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "engraver.hh"
23 #include "pointer-group-interface.hh"
24 #include "stream-event.hh"
26 #include "translator.icc"
28 class Laissez_vibrer_engraver
: public Engraver
32 vector
<Grob
*> lv_ties_
;
34 void stop_translation_timestep ();
35 DECLARE_ACKNOWLEDGER (note_head
);
37 DECLARE_TRANSLATOR_LISTENER (laissez_vibrer
);
39 TRANSLATOR_DECLARATIONS (Laissez_vibrer_engraver
);
42 Laissez_vibrer_engraver::Laissez_vibrer_engraver ()
49 Laissez_vibrer_engraver::stop_translation_timestep ()
56 IMPLEMENT_TRANSLATOR_LISTENER (Laissez_vibrer_engraver
, laissez_vibrer
);
58 Laissez_vibrer_engraver::listen_laissez_vibrer (Stream_event
*ev
)
60 ASSIGN_EVENT_ONCE (event_
, ev
);
64 Laissez_vibrer_engraver::acknowledge_note_head (Grob_info inf
)
69 SCM cause
= event_
->self_scm ();
72 lv_column_
= make_item ("LaissezVibrerTieColumn", cause
);
74 Grob
*lv_tie
= make_item ("LaissezVibrerTie", cause
);
75 lv_tie
->set_object ("note-head", inf
.grob ()->self_scm ());
77 Pointer_group_interface::add_grob (lv_column_
, ly_symbol2scm ("ties"),
80 if (is_direction (unsmob_stream_event (cause
)->get_property ("direction")))
82 Direction d
= to_dir (unsmob_stream_event (cause
)->get_property ("direction"));
83 lv_tie
->set_property ("direction", scm_from_int (d
));
86 lv_tie
->set_parent (lv_column_
, Y_AXIS
);
88 lv_ties_
.push_back (lv_tie
);
91 ADD_ACKNOWLEDGER (Laissez_vibrer_engraver
, note_head
);
92 ADD_TRANSLATOR (Laissez_vibrer_engraver
,
94 "Create laissez vibrer items.",
98 "LaissezVibrerTieColumn ",