2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2013--2015 Mike Solomon <mike@mikesolomon.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"
23 #include "directional-element-interface.hh"
24 #include "international.hh"
25 #include "note-column.hh"
26 #include "pointer-group-interface.hh"
28 #include "slur-proto-engraver.hh"
30 #include "stream-event.hh"
33 #include "translator.icc"
36 Slur_proto_engraver::derived_mark () const
38 for (vsize i = start_events_.size (); i--;)
40 scm_gc_mark (start_events_[i].slur_->self_scm ());
41 scm_gc_mark (start_events_[i].note_->self_scm ());
43 for (vsize i = stop_events_.size (); i--;)
45 scm_gc_mark (stop_events_[i].slur_->self_scm ());
46 scm_gc_mark (stop_events_[i].note_->self_scm ());
51 Slur_proto_engraver::listen_slur (Stream_event *ev, Stream_event *note)
53 Direction d = to_dir (ev->get_property ("span-direction"));
55 start_events_.push_back (Event_info (ev, note));
57 stop_events_.push_back (Event_info (ev, note));
58 else ev->origin ()->warning (_f ("direction of %s invalid: %d",
59 event_name_, int (d)));
63 Slur_proto_engraver::listen_note (Stream_event *ev)
65 for (SCM arts = ev->get_property ("articulations");
66 scm_is_pair (arts); arts = scm_cdr (arts))
68 Stream_event *art = unsmob<Stream_event> (scm_car (arts));
69 if (art->in_event_class (event_symbol ()))
70 listen_slur (art, ev);
75 Slur_proto_engraver::acknowledge_note_column (Grob_info info)
77 Grob *e = info.grob ();
78 for (vsize i = slurs_.size (); i--;)
79 Slur::add_column (slurs_[i], e);
80 for (vsize i = end_slurs_.size (); i--;)
81 Slur::add_column (end_slurs_[i], e);
82 // Now cater for slurs starting/ending at a notehead: those override
84 if (note_slurs_[START].empty () && note_slurs_[STOP].empty ())
86 extract_grob_set (e, "note-heads", heads);
87 for (vsize i = heads.size (); i--;)
89 if (Stream_event *ev =
90 unsmob<Stream_event> (heads[i]->get_property ("cause")))
91 for (LEFT_and_RIGHT (d))
93 std::pair<Note_slurs::const_iterator, Note_slurs::const_iterator> its
94 = note_slurs_[d].equal_range (ev);
95 for (Note_slurs::const_iterator it = its.first;
98 it->second->set_bound (d, heads[i]);
104 Slur_proto_engraver::acknowledge_extra_object (Grob_info info)
106 objects_to_acknowledge_.push_back (info);
110 Slur_proto_engraver::acknowledge_inline_accidental (Grob_info info)
112 acknowledge_extra_object (info);
116 Slur_proto_engraver::acknowledge_dots (Grob_info info)
118 acknowledge_extra_object (info);
122 Slur_proto_engraver::acknowledge_fingering (Grob_info info)
124 acknowledge_extra_object (info);
128 Slur_proto_engraver::acknowledge_tuplet_number (Grob_info info)
130 acknowledge_extra_object (info);
134 Slur_proto_engraver::acknowledge_script (Grob_info info)
136 if (!info.grob ()->internal_has_interface (ly_symbol2scm ("dynamic-interface")))
137 acknowledge_extra_object (info);
141 Slur_proto_engraver::acknowledge_text_script (Grob_info info)
143 acknowledge_extra_object (info);
147 Slur_proto_engraver::acknowledge_end_tie (Grob_info info)
149 acknowledge_extra_object (info);
153 Slur_proto_engraver::finalize ()
155 for (vsize i = 0; i < slurs_.size (); i++)
157 slurs_[i]->warning (_f ("unterminated %s", object_name_));
158 slurs_[i]->suicide ();
164 Slur_proto_engraver::create_slur (const string &spanner_id, Event_info evi, Grob *g_cause, Direction dir, bool left_broken)
166 Grob *ccc = left_broken
167 ? unsmob<Grob> (get_property ("currentCommandColumn"))
169 SCM cause = evi.slur_ ? evi.slur_->self_scm () : g_cause->self_scm ();
170 Spanner *slur = make_spanner (grob_name_, cause);
171 slur->set_property ("spanner-id", ly_string2scm (spanner_id));
173 set_grob_direction (slur, dir);
175 slur->set_bound (LEFT, ccc);
176 slurs_.push_back (slur);
178 note_slurs_[START].insert (Note_slurs::value_type (evi.note_, slur));
180 if (double_property_name_
181 && to_boolean (get_property (double_property_name_)))
183 set_grob_direction (slur, DOWN);
184 slur = make_spanner (grob_name_, cause);
185 slur->set_property ("spanner-id", ly_string2scm (spanner_id));
186 set_grob_direction (slur, UP);
188 slur->set_bound (LEFT, ccc);
189 slurs_.push_back (slur);
191 note_slurs_[START].insert(Note_slurs::value_type (evi.note_, slur));
197 Slur_proto_engraver::can_create_slur (const string &id, vsize old_slurs, vsize *event_idx, Stream_event *ev)
199 for (vsize j = slurs_.size (); j--;)
201 Grob *slur = slurs_[j];
202 Direction updown = to_dir (ev->get_property ("direction"));
204 // Check if we already have a slur with the same spanner-id.
205 if (id == robust_scm2string (slur->get_property ("spanner-id"), ""))
209 // We already have an old slur, so give a warning
210 // and completely ignore the new slur.
211 ev->origin ()->warning (_f ("already have %s", object_name_));
213 start_events_.erase (start_events_.begin () + (*event_idx));
217 // If this slur event has no direction, it will not
218 // contribute anything new to the existing slur(s), so
224 Stream_event *c = unsmob<Stream_event> (slur->get_property ("cause"));
228 slur->programming_error (_f ("%s without a cause", object_name_));
232 Direction slur_dir = to_dir (c->get_property ("direction"));
234 // If the existing slur does not have a direction yet,
235 // we'd rather take the new one.
240 slurs_.erase (slurs_.begin () + j);
244 // If the existing slur has the same direction as ours, drop ours
246 if (slur_dir == updown)
254 Slur_proto_engraver::try_to_end (Event_info evi)
256 string id = robust_scm2string (evi.slur_->get_property ("spanner-id"), "");
258 // Find the slurs that are ended with this event (by checking the spanner-id)
260 for (vsize j = slurs_.size (); j--;)
262 if (id == robust_scm2string (slurs_[j]->get_property ("spanner-id"), ""))
265 end_slurs_.push_back (slurs_[j]);
267 note_slurs_[STOP].insert
268 (Note_slurs::value_type
269 (evi.note_, dynamic_cast <Spanner *> (slurs_[j])));
270 slurs_.erase (slurs_.begin () + j);
277 Slur_proto_engraver::process_music ()
279 for (vsize i = 0; i < stop_events_.size (); i++)
281 string id = robust_scm2string
282 (stop_events_[i].slur_->get_property ("spanner-id"), "");
283 bool ended = try_to_end (stop_events_[i]);
286 // Ignore redundant stop events for this id
287 for (vsize j = stop_events_.size (); --j > i;)
289 if (id == robust_scm2string
290 (stop_events_[j].slur_->get_property ("spanner-id"), ""))
291 stop_events_.erase (stop_events_.begin () + j);
295 stop_events_[i].slur_->origin ()->warning (_f ("cannot end %s", object_name_));
298 vsize old_slurs = slurs_.size ();
299 for (vsize i = start_events_.size (); i--;)
301 Stream_event *ev = start_events_[i].slur_;
302 string id = robust_scm2string (ev->get_property ("spanner-id"), "");
303 Direction updown = to_dir (ev->get_property ("direction"));
305 if (can_create_slur (id, old_slurs, &i, ev))
306 create_slur (id, start_events_[i], 0, updown, false);
309 set_melisma (slurs_.size ());
313 Slur_proto_engraver::set_melisma (bool)
318 Slur_proto_engraver::stop_translation_timestep ()
320 if (Grob *g = unsmob<Grob> (get_property ("currentCommandColumn")))
322 for (vsize i = 0; i < end_slurs_.size (); i++)
323 Slur::add_extra_encompass (end_slurs_[i], g);
325 if (!start_events_.size ())
326 for (vsize i = 0; i < slurs_.size (); i++)
327 Slur::add_extra_encompass (slurs_[i], g);
330 for (vsize i = 0; i < end_slurs_.size (); i++)
332 Spanner *s = dynamic_cast<Spanner *> (end_slurs_[i]);
333 if (!s->get_bound (RIGHT))
334 s->set_bound (RIGHT, unsmob<Grob> (get_property ("currentMusicalColumn")));
335 announce_end_grob (s, SCM_EOL);
338 for (vsize i = 0; i < objects_to_acknowledge_.size (); i++)
339 Slur::auxiliary_acknowledge_extra_object (objects_to_acknowledge_[i], slurs_, end_slurs_);
341 note_slurs_[LEFT].clear ();
342 note_slurs_[RIGHT].clear ();
343 objects_to_acknowledge_.clear ();
345 start_events_.clear ();
346 stop_events_.clear ();
349 // no ADD_ACKNOWLEDGER / ADD_TRANSLATOR macro calls
350 // since this class is abstract