2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1998--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
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/>.
21 #include "engraver.hh"
22 #include "international.hh"
23 #include "note-column.hh"
25 #include "stream-event.hh"
26 #include "tuplet-bracket.hh"
31 #include "translator.icc"
35 struct Tuplet_description
42 bool full_length_note_;
50 full_length_note_ = false;
57 class Tuplet_engraver : public Engraver
60 TRANSLATOR_DECLARATIONS (Tuplet_engraver);
63 vector<Tuplet_description> tuplets_;
64 vector<Tuplet_description> new_tuplets_;
65 vector<Tuplet_description> stopped_tuplets_;
66 vector<Spanner *> last_tuplets_;
68 DECLARE_ACKNOWLEDGER (note_column);
69 DECLARE_ACKNOWLEDGER (script);
70 DECLARE_ACKNOWLEDGER (finger);
71 DECLARE_ACKNOWLEDGER (string_number);
72 DECLARE_TRANSLATOR_LISTENER (tuplet_span);
73 virtual void finalize ();
74 void start_translation_timestep ();
75 void process_music ();
78 IMPLEMENT_TRANSLATOR_LISTENER (Tuplet_engraver, tuplet_span);
80 Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
82 Direction dir = to_dir (ev->get_property ("span-direction"));
88 d.length_ = robust_scm2moment (d.event_->get_property ("length"),
90 d.start_moment_ = now_mom ();
91 d.stop_moment_ = now_mom () + d.length_;
93 for (vsize i = 0; i < new_tuplets_.size (); i++)
98 if (new_tuplets_[i].stop_moment_ == d.stop_moment_)
102 new_tuplets_.push_back (d);
104 else if (dir == STOP)
106 if (tuplets_.size ())
108 stopped_tuplets_.push_back (tuplets_.back ());
109 tuplets_.pop_back ();
111 else if (!to_boolean (get_property ("skipTypesetting")))
112 ev->origin ()->debug_output (_ ("No tuplet to end"));
115 ev->origin ()->programming_error ("direction tuplet-span-event_ invalid.");
119 Tuplet_engraver::process_music ()
122 This may happen if the end of a tuplet is part of a quoted voice.
124 Moment now = now_mom ();
125 for (vsize i = tuplets_.size (); i--;)
127 if (tuplets_[i].stop_moment_ == now)
129 stopped_tuplets_.push_back (tuplets_[i]);
130 tuplets_.erase (tuplets_.begin () + i);
134 for (vsize i = 0; i < stopped_tuplets_.size (); i++)
136 Spanner *bracket = stopped_tuplets_[i].bracket_;
137 Spanner *number = stopped_tuplets_[i].number_;
140 if (stopped_tuplets_[i].full_length_)
143 = unsmob<Item> (stopped_tuplets_[i].full_length_note_
144 ? get_property ("currentMusicalColumn")
145 : get_property ("currentCommandColumn"));
147 bracket->set_bound (RIGHT, col);
148 number->set_bound (RIGHT, col);
150 else if (!bracket->get_bound (RIGHT))
152 if (bracket->get_bound (LEFT))
154 bracket->set_bound (RIGHT,
155 bracket->get_bound (LEFT));
156 number->set_bound (RIGHT,
157 stopped_tuplets_[i].bracket_->get_bound (LEFT));
161 warning ("omitting tuplet bracket with neither left nor right bound");
165 // todo: scrap last_tuplets_, use stopped_tuplets_ only.
166 // clear stopped_tuplets_ at start_translation_timestep
167 last_tuplets_.push_back (bracket);
168 last_tuplets_.push_back (number);
171 stopped_tuplets_.clear ();
173 concat (tuplets_, new_tuplets_);
174 new_tuplets_.clear ();
175 for (vsize j = tuplets_.size (); j > 0; j--)
177 /* i goes from size-1 downto 0, inclusively */
180 if (tuplets_[i].bracket_)
183 tuplets_[i].full_length_ = to_boolean (get_property ("tupletFullLength"));
184 tuplets_[i].full_length_note_
185 = to_boolean (get_property ("tupletFullLengthNote"));
187 tuplets_[i].bracket_ = make_spanner ("TupletBracket",
188 tuplets_[i].event_->self_scm ());
189 tuplets_[i].number_ = make_spanner ("TupletNumber",
190 tuplets_[i].event_->self_scm ());
191 tuplets_[i].number_->set_object ("bracket", tuplets_[i].bracket_->self_scm ());
192 tuplets_[i].number_->set_parent (tuplets_[i].bracket_, X_AXIS);
193 tuplets_[i].number_->set_parent (tuplets_[i].bracket_, Y_AXIS);
194 tuplets_[i].bracket_->set_object ("tuplet-number", tuplets_[i].number_->self_scm ());
195 tuplets_[i].stop_moment_.grace_part_ = 0;
197 if (i + 1 < tuplets_.size () && tuplets_[i + 1].bracket_)
198 Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
200 if (i > 0 && tuplets_[i - 1].bracket_)
201 Tuplet_bracket::add_tuplet_bracket (tuplets_[i - 1].bracket_, tuplets_[i].bracket_);
207 Tuplet_engraver::acknowledge_note_column (Grob_info inf)
209 for (vsize j = 0; j < tuplets_.size (); j++)
210 if (tuplets_[j].bracket_)
212 Item *i = dynamic_cast<Item *> (inf.grob ());
213 Tuplet_bracket::add_column (tuplets_[j].bracket_, i);
214 add_bound_item (tuplets_[j].number_, i);
219 Tuplet_engraver::acknowledge_script (Grob_info inf)
221 for (vsize j = 0; j < tuplets_.size (); j++)
222 if (tuplets_[j].bracket_)
224 Item *i = dynamic_cast<Item *> (inf.grob ());
225 if (!i->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
226 Tuplet_bracket::add_script (tuplets_[j].bracket_, i);
231 Tuplet_engraver::acknowledge_finger (Grob_info inf)
233 for (vsize j = 0; j < tuplets_.size (); j++)
234 if (tuplets_[j].bracket_)
236 Item *i = dynamic_cast<Item *> (inf.grob ());
237 Tuplet_bracket::add_script (tuplets_[j].bracket_, i);
242 Tuplet_engraver::acknowledge_string_number (Grob_info inf)
244 for (vsize j = 0; j < tuplets_.size (); j++)
245 if (tuplets_[j].bracket_)
247 Item *i = dynamic_cast<Item *> (inf.grob ());
248 Tuplet_bracket::add_script (tuplets_[j].bracket_, i);
253 Tuplet_engraver::start_translation_timestep ()
255 last_tuplets_.clear ();
257 May seem superfluous, but necessary for skipTypesetting.
259 new_tuplets_.clear ();
263 Tuplet_engraver::finalize ()
265 if (to_boolean (get_property ("tupletFullLength")))
266 for (vsize i = 0; i < last_tuplets_.size (); i++)
268 Item *col = unsmob<Item> (get_property ("currentCommandColumn"));
269 last_tuplets_[i]->set_bound (RIGHT, col);
273 Tuplet_engraver::Tuplet_engraver ()
277 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
278 ADD_ACKNOWLEDGER (Tuplet_engraver, script);
279 ADD_ACKNOWLEDGER (Tuplet_engraver, finger);
280 ADD_ACKNOWLEDGER (Tuplet_engraver, string_number);
281 ADD_TRANSLATOR (Tuplet_engraver,
283 "Catch tuplet events and generate appropriate bracket.",
291 "tupletFullLengthNote ",