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 Spanner *bracket = stopped_tuplets_[i].bracket_;
85 Spanner *number = stopped_tuplets_[i].number_;
88 if (stopped_tuplets_[i].full_length_)
91 unsmob_item (stopped_tuplets_[i].full_length_note_
92 ? get_property ("currentMusicalColumn")
93 : get_property ("currentCommandColumn"));
95 bracket->set_bound (RIGHT, col);
96 number->set_bound (RIGHT, col);
98 else if (!bracket->get_bound (RIGHT))
100 bracket->set_bound (RIGHT,
101 bracket->get_bound (LEFT));
102 number->set_bound (RIGHT,
103 stopped_tuplets_[i].bracket_->get_bound (LEFT));
105 // todo: scrap last_tuplets_, use stopped_tuplets_ only.
106 // clear stopped_tuplets_ at start_translation_timestep
107 last_tuplets_.push_back (bracket);
108 last_tuplets_.push_back (number);
111 stopped_tuplets_.clear ();
113 concat (tuplets_, new_tuplets_);
114 new_tuplets_.clear ();
115 for (vsize j = tuplets_.size (); j > 0; j--)
117 /* i goes from size-1 downto 0, inclusively */
121 if (tuplets_[i].bracket_)
124 tuplets_[i].full_length_ = to_boolean (get_property ("tupletFullLength"));
125 tuplets_[i].full_length_note_
126 = to_boolean (get_property ("tupletFullLengthNote"));
128 tuplets_[i].bracket_ = make_spanner ("TupletBracket",
129 tuplets_[i].event_->self_scm ());
130 tuplets_[i].number_ = make_spanner ("TupletNumber",
131 tuplets_[i].event_->self_scm ());
132 tuplets_[i].number_->set_object ("bracket", tuplets_[i].bracket_->self_scm ());
133 tuplets_[i].bracket_->set_object ("tuplet-number", tuplets_[i].number_->self_scm ());
135 if (i < tuplets_.size () - 1 && tuplets_[i + 1].bracket_)
136 Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
138 if (i > 0 && tuplets_[i - 1].bracket_)
139 Tuplet_bracket::add_tuplet_bracket (tuplets_[i - 1].bracket_, tuplets_[i].bracket_);
145 Tuplet_engraver::acknowledge_note_column (Grob_info inf)
147 for (vsize j = 0; j < tuplets_.size (); j++)
148 if (tuplets_[j].bracket_)
150 Item *i = dynamic_cast<Item *> (inf.grob ());
151 Tuplet_bracket::add_column (tuplets_[j].bracket_, i);
152 add_bound_item (tuplets_[j].number_, i);
157 Tuplet_engraver::start_translation_timestep ()
159 last_tuplets_.clear ();
163 Tuplet_engraver::finalize ()
165 if (to_boolean (get_property ("tupletFullLength")))
166 for (vsize i = 0; i < last_tuplets_.size (); i++)
168 Item *col = unsmob_item (get_property ("currentCommandColumn"));
169 last_tuplets_[i]->set_bound (RIGHT, col);
173 Tuplet_engraver::Tuplet_engraver ()
177 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
178 ADD_TRANSLATOR (Tuplet_engraver,
179 /* doc */ "Catch TupletSpannerEvent and generate appropriate bracket ",
185 "tupletFullLengthNote ",