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 (_ ("invalid direction of tuplet-span-event"));
79 Tuplet_engraver::process_music ()
81 for (vsize i = 0; i < stopped_tuplets_.size (); i++)
83 if (stopped_tuplets_[i].bracket_)
85 if (stopped_tuplets_[i].full_length_)
88 unsmob_item (stopped_tuplets_[i].full_length_note_
89 ? get_property ("currentMusicalColumn")
90 : get_property ("currentCommandColumn"));
92 stopped_tuplets_[i].bracket_->set_bound (RIGHT, col);
93 stopped_tuplets_[i].number_->set_bound (RIGHT, col);
95 else if (!stopped_tuplets_[i].bracket_->get_bound (RIGHT))
97 stopped_tuplets_[i].bracket_->set_bound (RIGHT,
98 stopped_tuplets_[i].bracket_->get_bound (LEFT));
99 stopped_tuplets_[i].number_->set_bound (RIGHT,
100 stopped_tuplets_[i].bracket_->get_bound (LEFT));
102 // todo: scrap last_tuplets_, use stopped_tuplets_ only.
103 // clear stopped_tuplets_ at start_translation_timestep
104 last_tuplets_.push_back (tuplets_[i].bracket_);
105 last_tuplets_.push_back (tuplets_[i].number_);
108 stopped_tuplets_.clear ();
110 concat (tuplets_, new_tuplets_);
111 new_tuplets_.clear ();
112 for (vsize j = tuplets_.size (); j > 0; j--)
114 /* i goes from size-1 downto 0, inclusively */
118 if (tuplets_[i].bracket_)
121 tuplets_[i].full_length_ = to_boolean (get_property ("tupletFullLength"));
122 tuplets_[i].full_length_note_
123 = to_boolean (get_property ("tupletFullLengthNote"));
125 tuplets_[i].bracket_ = make_spanner ("TupletBracket",
126 tuplets_[i].event_->self_scm ());
127 tuplets_[i].number_ = make_spanner ("TupletNumber",
128 tuplets_[i].event_->self_scm ());
129 tuplets_[i].number_->set_object ("bracket", tuplets_[i].bracket_->self_scm ());
130 tuplets_[i].bracket_->set_object ("tuplet-number", tuplets_[i].number_->self_scm ());
132 if (i < tuplets_.size () - 1 && tuplets_[i + 1].bracket_)
133 Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
135 if (i > 0 && tuplets_[i - 1].bracket_)
136 Tuplet_bracket::add_tuplet_bracket (tuplets_[i - 1].bracket_, tuplets_[i].bracket_);
142 Tuplet_engraver::acknowledge_note_column (Grob_info inf)
144 for (vsize j = 0; j < tuplets_.size (); j++)
145 if (tuplets_[j].bracket_)
147 Item *i = dynamic_cast<Item *> (inf.grob ());
148 Tuplet_bracket::add_column (tuplets_[j].bracket_, i);
149 add_bound_item (tuplets_[j].number_, i);
154 Tuplet_engraver::start_translation_timestep ()
156 last_tuplets_.clear ();
160 Tuplet_engraver::finalize ()
162 if (to_boolean (get_property ("tupletFullLength")))
163 for (vsize i = 0; i < last_tuplets_.size (); i++)
165 Item *col = unsmob_item (get_property ("currentCommandColumn"));
166 last_tuplets_[i]->set_bound (RIGHT, col);
170 Tuplet_engraver::Tuplet_engraver ()
174 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
175 ADD_TRANSLATOR (Tuplet_engraver,
176 /* doc */ "Catch TupletSpannerEvent and generate appropriate bracket ",
182 "tupletFullLengthNote ",