2 tuplet-engraver.cc -- implement Tuplet_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2006 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"
19 #include "translator.icc"
21 struct Tuplet_description
28 bool full_length_note_;
33 full_length_note_ = false;
40 class Tuplet_engraver : public Engraver
43 TRANSLATOR_DECLARATIONS (Tuplet_engraver);
46 vector<Tuplet_description> tuplets_;
47 vector<Tuplet_description> new_tuplets_;
48 vector<Tuplet_description> stopped_tuplets_;
49 vector<Spanner*> last_tuplets_;
51 DECLARE_ACKNOWLEDGER (note_column);
52 DECLARE_TRANSLATOR_LISTENER (tuplet_span);
53 virtual void finalize ();
54 void start_translation_timestep ();
55 void process_music ();
58 IMPLEMENT_TRANSLATOR_LISTENER (Tuplet_engraver, tuplet_span);
60 Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
62 Direction dir = to_dir (ev->get_property ("span-direction"));
67 new_tuplets_.push_back (d);
69 else if (dir == STOP && tuplets_.size ())
71 stopped_tuplets_.push_back (tuplets_.back ());
75 programming_error (_f ("direction of %s invalid: %d",
76 "tuplet-span-event", int (dir)));
80 Tuplet_engraver::process_music ()
82 for (vsize i = 0; i < stopped_tuplets_.size (); i++)
84 if (stopped_tuplets_[i].bracket_)
86 if (stopped_tuplets_[i].full_length_)
89 unsmob_item (stopped_tuplets_[i].full_length_note_
90 ? get_property ("currentMusicalColumn")
91 : get_property ("currentCommandColumn"));
93 stopped_tuplets_[i].bracket_->set_bound (RIGHT, col);
94 stopped_tuplets_[i].number_->set_bound (RIGHT, col);
96 else if (!stopped_tuplets_[i].bracket_->get_bound (RIGHT))
98 stopped_tuplets_[i].bracket_->set_bound (RIGHT,
99 stopped_tuplets_[i].bracket_->get_bound (LEFT));
100 stopped_tuplets_[i].number_->set_bound (RIGHT,
101 stopped_tuplets_[i].bracket_->get_bound (LEFT));
103 // todo: scrap last_tuplets_, use stopped_tuplets_ only.
104 // clear stopped_tuplets_ at start_translation_timestep
105 last_tuplets_.push_back (tuplets_[i].bracket_);
106 last_tuplets_.push_back (tuplets_[i].number_);
109 stopped_tuplets_.clear ();
111 concat (tuplets_, new_tuplets_);
112 new_tuplets_.clear ();
113 for (vsize j = tuplets_.size (); j > 0; j--)
115 /* i goes from size-1 downto 0, inclusively */
119 if (tuplets_[i].bracket_)
122 tuplets_[i].full_length_ = to_boolean (get_property ("tupletFullLength"));
123 tuplets_[i].full_length_note_
124 = to_boolean (get_property ("tupletFullLengthNote"));
126 tuplets_[i].bracket_ = make_spanner ("TupletBracket",
127 tuplets_[i].event_->self_scm ());
128 tuplets_[i].number_ = make_spanner ("TupletNumber",
129 tuplets_[i].event_->self_scm ());
130 tuplets_[i].number_->set_object ("bracket", tuplets_[i].bracket_->self_scm ());
131 tuplets_[i].bracket_->set_object ("tuplet-number", tuplets_[i].number_->self_scm ());
133 if (i < tuplets_.size () - 1 && tuplets_[i + 1].bracket_)
134 Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
136 if (i > 0 && tuplets_[i - 1].bracket_)
137 Tuplet_bracket::add_tuplet_bracket (tuplets_[i - 1].bracket_, tuplets_[i].bracket_);
143 Tuplet_engraver::acknowledge_note_column (Grob_info inf)
145 for (vsize j = 0; j < tuplets_.size (); j++)
146 if (tuplets_[j].bracket_)
148 Item *i = dynamic_cast<Item *> (inf.grob ());
149 Tuplet_bracket::add_column (tuplets_[j].bracket_, i);
150 add_bound_item (tuplets_[j].number_, i);
155 Tuplet_engraver::start_translation_timestep ()
157 last_tuplets_.clear ();
161 Tuplet_engraver::finalize ()
163 if (to_boolean (get_property ("tupletFullLength")))
164 for (vsize i = 0; i < last_tuplets_.size (); i++)
166 Item *col = unsmob_item (get_property ("currentCommandColumn"));
167 last_tuplets_[i]->set_bound (RIGHT, col);
171 Tuplet_engraver::Tuplet_engraver ()
175 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
176 ADD_TRANSLATOR (Tuplet_engraver,
177 /* doc */ "Catch TupletSpannerEvent and generate appropriate bracket ",
183 "tupletFullLengthNote ",