2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2000--2015 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 "arpeggio.hh"
24 #include "note-column.hh"
25 #include "pointer-group-interface.hh"
26 #include "rhythmic-head.hh"
27 #include "separation-item.hh"
28 #include "side-position-interface.hh"
30 #include "stream-event.hh"
32 #include "translator.icc"
34 class Arpeggio_engraver : public Engraver
37 TRANSLATOR_DECLARATIONS (Arpeggio_engraver);
39 void acknowledge_stem (Grob_info);
40 void acknowledge_rhythmic_head (Grob_info);
41 void acknowledge_note_column (Grob_info);
44 void process_music ();
45 void stop_translation_timestep ();
46 void listen_arpeggio (Stream_event *);
49 Stream_event *arpeggio_event_;
52 Arpeggio_engraver::Arpeggio_engraver (Context *c)
59 void Arpeggio_engraver::listen_arpeggio (Stream_event *ev)
61 ASSIGN_EVENT_ONCE (arpeggio_event_, ev);
65 Arpeggio_engraver::acknowledge_stem (Grob_info info)
69 if (!arpeggio_->get_parent (Y_AXIS))
70 arpeggio_->set_parent (info.grob (), Y_AXIS);
72 Pointer_group_interface::add_grob (arpeggio_,
73 ly_symbol2scm ("stems"),
78 Arpeggio_engraver::acknowledge_rhythmic_head (Grob_info info)
83 We can't catch local key items (accidentals) from Voice context,
84 see Local_key_engraver
86 Side_position_interface::add_support (arpeggio_, info.grob ());
90 Arpeggio_engraver::acknowledge_note_column (Grob_info info)
93 Separation_item::add_conditional_item (info.grob (), arpeggio_);
97 Arpeggio_engraver::process_music ()
101 arpeggio_ = make_item ("Arpeggio", arpeggio_event_->self_scm ());
106 Arpeggio_engraver::stop_translation_timestep ()
114 Arpeggio_engraver::boot ()
116 ADD_LISTENER (Arpeggio_engraver, arpeggio);
117 ADD_ACKNOWLEDGER (Arpeggio_engraver, stem);
118 ADD_ACKNOWLEDGER (Arpeggio_engraver, rhythmic_head);
119 ADD_ACKNOWLEDGER (Arpeggio_engraver, note_column);
122 ADD_TRANSLATOR (Arpeggio_engraver,
124 "Generate an Arpeggio symbol.",