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>
9 #include "tuplet-bracket.hh"
10 #include "note-column.hh"
12 #include "engraver.hh"
14 #include "stream-event.hh"
16 #include "translator.icc"
18 struct Tuplet_description
25 bool full_length_note_;
30 full_length_note_ = false;
37 class Tuplet_engraver : public Engraver
40 TRANSLATOR_DECLARATIONS (Tuplet_engraver);
43 vector<Tuplet_description> tuplets_;
44 vector<Tuplet_description> stopped_tuplets_;
45 vector<Spanner*> last_tuplets_;
46 DECLARE_ACKNOWLEDGER (note_column);
47 DECLARE_TRANSLATOR_LISTENER (tuplet_span);
48 virtual void finalize ();
49 void start_translation_timestep ();
50 void process_music ();
53 IMPLEMENT_TRANSLATOR_LISTENER (Tuplet_engraver, tuplet_span);
55 Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
57 Direction dir = to_dir (ev->get_property ("span-direction"));
62 tuplets_.push_back (d);
66 stopped_tuplets_.push_back (tuplets_.back ());
72 Tuplet_engraver::process_music ()
74 for (vsize i = 0; i < stopped_tuplets_.size (); i++)
76 if (stopped_tuplets_[i].bracket_)
78 if (stopped_tuplets_[i].full_length_)
81 unsmob_item (stopped_tuplets_[i].full_length_note_
82 ? get_property ("currentMusicalColumn")
83 : get_property ("currentCommandColumn"));
85 stopped_tuplets_[i].bracket_->set_bound (RIGHT, col);
86 stopped_tuplets_[i].number_->set_bound (RIGHT, col);
88 else if (!stopped_tuplets_[i].bracket_->get_bound (RIGHT))
90 stopped_tuplets_[i].bracket_->set_bound (RIGHT,
91 stopped_tuplets_[i].bracket_->get_bound (LEFT));
92 stopped_tuplets_[i].number_->set_bound (RIGHT,
93 stopped_tuplets_[i].bracket_->get_bound (LEFT));
95 // todo: scrap last_tuplets_, use stopped_tuplets_ only.
96 // clear stopped_tuplets_ at start_translation_timestep
97 last_tuplets_.push_back (tuplets_[i].bracket_);
98 last_tuplets_.push_back (tuplets_[i].number_);
101 stopped_tuplets_.clear ();
103 for (vsize j = tuplets_.size (); j > 0; j--)
105 /* i goes from size-1 downto 0, inclusively */
109 if (tuplets_[i].bracket_)
112 tuplets_[i].full_length_ = to_boolean (get_property ("tupletFullLength"));
113 tuplets_[i].full_length_note_
114 = to_boolean (get_property ("tupletFullLengthNote"));
116 tuplets_[i].bracket_ = make_spanner ("TupletBracket",
117 tuplets_[i].event_->self_scm ());
118 tuplets_[i].number_ = make_spanner ("TupletNumber",
119 tuplets_[i].event_->self_scm ());
120 tuplets_[i].number_->set_object ("bracket", tuplets_[i].bracket_->self_scm ());
121 tuplets_[i].bracket_->set_object ("tuplet-number", tuplets_[i].number_->self_scm ());
123 if (i < tuplets_.size () - 1 && tuplets_[i + 1].bracket_)
124 Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
126 if (i > 0 && tuplets_[i - 1].bracket_)
127 Tuplet_bracket::add_tuplet_bracket (tuplets_[i - 1].bracket_, tuplets_[i].bracket_);
133 Tuplet_engraver::acknowledge_note_column (Grob_info inf)
135 for (vsize j = 0; j < tuplets_.size (); j++)
136 if (tuplets_[j].bracket_)
138 Item *i = dynamic_cast<Item *> (inf.grob ());
139 Tuplet_bracket::add_column (tuplets_[j].bracket_, i);
140 add_bound_item (tuplets_[j].number_, i);
145 Tuplet_engraver::start_translation_timestep ()
147 last_tuplets_.clear ();
151 Tuplet_engraver::finalize ()
153 if (to_boolean (get_property ("tupletFullLength")))
154 for (vsize i = 0; i < last_tuplets_.size (); i++)
156 Item *col = unsmob_item (get_property ("currentCommandColumn"));
157 last_tuplets_[i]->set_bound (RIGHT, col);
161 Tuplet_engraver::Tuplet_engraver ()
165 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
166 ADD_TRANSLATOR (Tuplet_engraver,
167 /* doc */ "Catch TupletSpannerEvent and generate appropriate bracket ",
168 /* create */ "TupletBracket TupletNumber ",
169 /* accept */ "tuplet-span-event",
170 /* read */ "tupletFullLength ",