2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2000--2011 Jan Nieuwenhuizen <janneke@gnu.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 "pointer-group-interface.hh"
23 #include "arpeggio.hh"
25 #include "rhythmic-head.hh"
26 #include "side-position-interface.hh"
27 #include "stream-event.hh"
28 #include "note-column.hh"
31 #include "translator.icc"
33 class Arpeggio_engraver : public Engraver
36 TRANSLATOR_DECLARATIONS (Arpeggio_engraver);
38 void acknowledge_stem (Grob_info);
39 void acknowledge_rhythmic_head (Grob_info);
41 void process_music ();
42 void stop_translation_timestep ();
43 DECLARE_TRANSLATOR_LISTENER (arpeggio);
46 Stream_event *arpeggio_event_;
49 Arpeggio_engraver::Arpeggio_engraver ()
55 IMPLEMENT_TRANSLATOR_LISTENER (Arpeggio_engraver, arpeggio);
56 void Arpeggio_engraver::listen_arpeggio (Stream_event *ev)
58 ASSIGN_EVENT_ONCE (arpeggio_event_, ev);
62 Arpeggio_engraver::acknowledge_stem (Grob_info info)
66 if (!arpeggio_->get_parent (Y_AXIS))
67 arpeggio_->set_parent (info.grob (), Y_AXIS);
69 Pointer_group_interface::add_grob (arpeggio_,
70 ly_symbol2scm ("stems"),
75 Arpeggio_engraver::acknowledge_rhythmic_head (Grob_info info)
80 We can't catch local key items (accidentals) from Voice context,
81 see Local_key_engraver
83 Side_position_interface::add_support (arpeggio_, info.grob ());
87 Arpeggio_engraver::process_music ()
91 arpeggio_ = make_item ("Arpeggio", arpeggio_event_->self_scm ());
96 Arpeggio_engraver::stop_translation_timestep ()
102 ADD_ACKNOWLEDGER (Arpeggio_engraver, stem);
103 ADD_ACKNOWLEDGER (Arpeggio_engraver, rhythmic_head);
105 ADD_TRANSLATOR (Arpeggio_engraver,
107 "Generate an Arpeggio symbol.",