2 tuplet-engraver.cc -- implement Tuplet_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #include "engraver.hh"
11 #include "international.hh"
12 #include "note-column.hh"
14 #include "stream-event.hh"
15 #include "tuplet-bracket.hh"
20 #include "translator.icc"
22 struct Tuplet_description
29 bool full_length_note_;
37 full_length_note_ = false;
44 class Tuplet_engraver : public Engraver
47 TRANSLATOR_DECLARATIONS (Tuplet_engraver);
50 vector<Tuplet_description> tuplets_;
51 vector<Tuplet_description> new_tuplets_;
52 vector<Tuplet_description> stopped_tuplets_;
53 vector<Spanner*> last_tuplets_;
55 DECLARE_ACKNOWLEDGER (note_column);
56 DECLARE_TRANSLATOR_LISTENER (tuplet_span);
57 virtual void finalize ();
58 void start_translation_timestep ();
59 void process_music ();
62 IMPLEMENT_TRANSLATOR_LISTENER (Tuplet_engraver, tuplet_span);
64 Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
66 Direction dir = to_dir (ev->get_property ("span-direction"));
72 d.length_ = robust_scm2moment (d.event_->get_property ("length"),
74 d.start_moment_ = now_mom ();
75 d.stop_moment_ = now_mom () + d.length_;
77 for (vsize i=0; i < new_tuplets_.size (); i++)
82 if (new_tuplets_[i].stop_moment_ == d.stop_moment_)
86 new_tuplets_.push_back (d);
92 stopped_tuplets_.push_back (tuplets_.back ());
96 ev->origin ()->warning (_f ("No tuplet to end"));
99 ev->origin ()->programming_error ("direction tuplet-span-event_ invalid.");
103 Tuplet_engraver::process_music ()
106 This may happen if the end of a tuplet is part of a quoted voice.
108 Moment now = now_mom();
109 for (vsize i = tuplets_.size (); i --; )
111 if (tuplets_[i].stop_moment_ == now)
113 stopped_tuplets_.push_back (tuplets_[i]);
114 tuplets_.erase (tuplets_.begin () + i);
118 for (vsize i = 0; i < stopped_tuplets_.size (); i++)
120 Spanner *bracket = stopped_tuplets_[i].bracket_;
121 Spanner *number = stopped_tuplets_[i].number_;
124 if (stopped_tuplets_[i].full_length_)
127 unsmob_item (stopped_tuplets_[i].full_length_note_
128 ? get_property ("currentMusicalColumn")
129 : get_property ("currentCommandColumn"));
131 bracket->set_bound (RIGHT, col);
132 number->set_bound (RIGHT, col);
134 else if (!bracket->get_bound (RIGHT))
136 bracket->set_bound (RIGHT,
137 bracket->get_bound (LEFT));
138 number->set_bound (RIGHT,
139 stopped_tuplets_[i].bracket_->get_bound (LEFT));
142 // todo: scrap last_tuplets_, use stopped_tuplets_ only.
143 // clear stopped_tuplets_ at start_translation_timestep
144 last_tuplets_.push_back (bracket);
145 last_tuplets_.push_back (number);
148 stopped_tuplets_.clear ();
150 concat (tuplets_, new_tuplets_);
151 new_tuplets_.clear ();
152 for (vsize j = tuplets_.size (); j > 0; j--)
154 /* i goes from size-1 downto 0, inclusively */
158 if (tuplets_[i].bracket_)
161 tuplets_[i].full_length_ = to_boolean (get_property ("tupletFullLength"));
162 tuplets_[i].full_length_note_
163 = to_boolean (get_property ("tupletFullLengthNote"));
165 tuplets_[i].bracket_ = make_spanner ("TupletBracket",
166 tuplets_[i].event_->self_scm ());
167 tuplets_[i].number_ = make_spanner ("TupletNumber",
168 tuplets_[i].event_->self_scm ());
169 tuplets_[i].number_->set_object ("bracket", tuplets_[i].bracket_->self_scm ());
170 tuplets_[i].bracket_->set_object ("tuplet-number", tuplets_[i].number_->self_scm ());
171 tuplets_[i].stop_moment_.grace_part_ = 0;
174 if (i + 1 < tuplets_.size () && tuplets_[i + 1].bracket_)
175 Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
177 if (i > 0 && tuplets_[i - 1].bracket_)
178 Tuplet_bracket::add_tuplet_bracket (tuplets_[i - 1].bracket_, tuplets_[i].bracket_);
184 Tuplet_engraver::acknowledge_note_column (Grob_info inf)
186 for (vsize j = 0; j < tuplets_.size (); j++)
187 if (tuplets_[j].bracket_)
189 Item *i = dynamic_cast<Item *> (inf.grob ());
190 Tuplet_bracket::add_column (tuplets_[j].bracket_, i);
191 add_bound_item (tuplets_[j].number_, i);
196 Tuplet_engraver::start_translation_timestep ()
198 last_tuplets_.clear ();
202 Tuplet_engraver::finalize ()
204 if (to_boolean (get_property ("tupletFullLength")))
205 for (vsize i = 0; i < last_tuplets_.size (); i++)
207 Item *col = unsmob_item (get_property ("currentCommandColumn"));
208 last_tuplets_[i]->set_bound (RIGHT, col);
212 Tuplet_engraver::Tuplet_engraver ()
216 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
217 ADD_TRANSLATOR (Tuplet_engraver,
218 /* doc */ "Catch TupletSpannerEvent and generate appropriate bracket ",
224 "tupletFullLengthNote ",