2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2000--2015 Jan Nieuwenhuizen <janneke@gnu.org>
6 Han-Wen Nienhuys <hanwen@xs4all.nl>
8 LilyPond is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 LilyPond is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
22 #include "engraver.hh"
23 #include "note-head.hh"
24 #include "side-position-interface.hh"
26 #include "stream-event.hh"
27 #include "text-interface.hh"
30 #include "translator.icc"
32 class Part_combine_engraver : public Engraver
34 TRANSLATOR_DECLARATIONS (Part_combine_engraver);
37 void acknowledge_note_head (Grob_info);
38 void acknowledge_stem (Grob_info);
40 void listen_part_combine (Stream_event *);
41 void listen_note (Stream_event *);
42 void process_music ();
43 void stop_translation_timestep ();
44 void create_item (Stream_event *ev);
48 Stream_event *new_event_; // Event happened at this moment
50 // Event possibly from an earlier moment waiting to create a text:
51 Stream_event *waiting_event_;
55 Part_combine_engraver::listen_part_combine (Stream_event *ev)
57 ASSIGN_EVENT_ONCE (new_event_, ev);
58 // If two events occur at the same moment, discard the second as the
60 waiting_event_ = new_event_;
64 Part_combine_engraver::listen_note (Stream_event *)
69 Part_combine_engraver::Part_combine_engraver (Context *c)
79 Part_combine_engraver::create_item (Stream_event *ev)
81 SCM what = scm_car (ev->get_property ("class"));
83 if (scm_is_eq (what, ly_symbol2scm ("solo-one-event")))
84 text = get_property ("soloText");
85 else if (scm_is_eq (what, ly_symbol2scm ("solo-two-event")))
86 text = get_property ("soloIIText");
87 else if (scm_is_eq (what, ly_symbol2scm ("unisono-event")))
88 text = get_property ("aDueText");
90 if (Text_interface::is_markup (text))
92 text_ = make_item ("CombineTextScript", ev->self_scm ());
93 text_->set_property ("text", text);
98 Part_combine_engraver::process_music ()
101 && to_boolean (get_property ("printPartCombineTexts")))
103 if (note_found_ || !to_boolean (get_property ("partCombineTextsOnNote")))
105 create_item (waiting_event_);
112 Part_combine_engraver::acknowledge_note_head (Grob_info i)
117 Side_position_interface::add_support (t, i.grob ());
118 if (Side_position_interface::get_axis (t) == X_AXIS
119 && !t->get_parent (Y_AXIS))
120 t->set_parent (i.grob (), Y_AXIS);
125 Part_combine_engraver::acknowledge_stem (Grob_info i)
128 Side_position_interface::add_support (text_, i.grob ());
132 Part_combine_engraver::stop_translation_timestep ()
140 Part_combine_engraver::boot ()
142 ADD_LISTENER (Part_combine_engraver, part_combine);
143 ADD_LISTENER (Part_combine_engraver, note);
144 ADD_ACKNOWLEDGER (Part_combine_engraver, note_head);
145 ADD_ACKNOWLEDGER (Part_combine_engraver, stem);
148 ADD_TRANSLATOR (Part_combine_engraver,
150 "Part combine engraver for orchestral scores: Print markings"
151 " @q{a2}, @q{Solo}, @q{Solo II}, and @q{unisono}.",
154 "CombineTextScript ",
157 "printPartCombineTexts "
158 "partCombineTextsOnNote "