source file of the GNU LilyPond music typesetter
- (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "tuplet-bracket.hh"
-#include "note-column.hh"
#include "beam.hh"
#include "engraver.hh"
+#include "international.hh"
+#include "note-column.hh"
#include "spanner.hh"
+#include "stream-event.hh"
+#include "tuplet-bracket.hh"
+#include "warn.hh"
+#include "item.hh"
+#include "moment.hh"
#include "translator.icc"
struct Tuplet_description
{
- Music *music_;
- Rational stop_;
- Rational span_stop_;
- Spanner *spanner_;
+ Stream_event *event_;
+ Spanner *bracket_;
+ Spanner *number_;
+
+ bool full_length_;
+ bool full_length_note_;
+ Moment stop_moment_;
+ Moment start_moment_;
+ Moment length_;
+
Tuplet_description ()
{
- music_ = 0;
- spanner_ = 0;
+ event_ = 0;
+ full_length_note_ = false;
+ full_length_ = false;
+ bracket_ = 0;
+ number_ = 0;
}
};
TRANSLATOR_DECLARATIONS (Tuplet_engraver);
protected:
- Array<Tuplet_description> tuplets_;
-
- DECLARE_ACKNOWLEDGER(note_column);
- virtual bool try_music (Music *r);
- PRECOMPUTED_VIRTUAL void start_translation_timestep ();
- PRECOMPUTED_VIRTUAL void process_music ();
+ vector<Tuplet_description> tuplets_;
+ vector<Tuplet_description> new_tuplets_;
+ vector<Tuplet_description> stopped_tuplets_;
+ vector<Spanner*> last_tuplets_;
+
+ DECLARE_ACKNOWLEDGER (note_column);
+ DECLARE_TRANSLATOR_LISTENER (tuplet_span);
+ virtual void finalize ();
+ void start_translation_timestep ();
+ void process_music ();
};
-bool
-Tuplet_engraver::try_music (Music *music)
+IMPLEMENT_TRANSLATOR_LISTENER (Tuplet_engraver, tuplet_span);
+void
+Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
{
- if (music->is_mus_type ("time-scaled-music"))
+ Direction dir = to_dir (ev->get_property ("span-direction"));
+ if (dir == START)
{
- Music *el = unsmob_music (music->get_property ("element"));
- if (el && !el->is_mus_type ("event-chord"))
- {
- Tuplet_description d;
- d.music_ = music;
- d.stop_ = now_mom ().main_part_ + music->get_length ().main_part_;
- d.span_stop_ = d.stop_;
+ Tuplet_description d;
+ d.event_ = ev;
- SCM s = get_property ("tupletSpannerDuration");
- if (unsmob_moment (s))
- d.span_stop_ = min (d.span_stop_, (now_mom () + *unsmob_moment (s)).main_part_);
+ d.length_ = robust_scm2moment (d.event_->get_property ("length"),
+ Moment (0));
+ d.start_moment_ = now_mom ();
+ d.stop_moment_ = now_mom () + d.length_;
- tuplets_.push (d);
+ for (vsize i=0; i < new_tuplets_.size (); i++)
+ {
+ /*
+ discard duplicates.
+ */
+ if (new_tuplets_[i].stop_moment_ == d.stop_moment_)
+ return;
+ }
+
+ new_tuplets_.push_back (d);
+ }
+ else if (dir == STOP)
+ {
+ if (tuplets_.size ())
+ {
+ stopped_tuplets_.push_back (tuplets_.back ());
+ tuplets_.pop_back ();
}
- return true;
+ else if (!to_boolean (get_property ("skipTypesetting")))
+ ev->origin ()->warning (_ ("No tuplet to end"));
}
- return false;
+ else
+ ev->origin ()->programming_error ("direction tuplet-span-event_ invalid.");
}
void
Tuplet_engraver::process_music ()
{
- for (int i = 0; i < tuplets_.size (); i++)
+ /*
+ This may happen if the end of a tuplet is part of a quoted voice.
+ */
+ Moment now = now_mom ();
+ for (vsize i = tuplets_.size (); i --; )
+ {
+ if (tuplets_[i].stop_moment_ == now)
+ {
+ stopped_tuplets_.push_back (tuplets_[i]);
+ tuplets_.erase (tuplets_.begin () + i);
+ }
+ }
+
+ for (vsize i = 0; i < stopped_tuplets_.size (); i++)
+ {
+ Spanner *bracket = stopped_tuplets_[i].bracket_;
+ Spanner *number = stopped_tuplets_[i].number_;
+ if (bracket)
+ {
+ if (stopped_tuplets_[i].full_length_)
+ {
+ Item *col =
+ unsmob_item (stopped_tuplets_[i].full_length_note_
+ ? get_property ("currentMusicalColumn")
+ : get_property ("currentCommandColumn"));
+
+ bracket->set_bound (RIGHT, col);
+ number->set_bound (RIGHT, col);
+ }
+ else if (!bracket->get_bound (RIGHT))
+ {
+ if (bracket->get_bound (LEFT))
+ {
+ bracket->set_bound (RIGHT,
+ bracket->get_bound (LEFT));
+ number->set_bound (RIGHT,
+ stopped_tuplets_[i].bracket_->get_bound (LEFT));
+ }
+ else
+ programming_error ("stopped tuplet bracket has left nor right bound.");
+ }
+ // todo: scrap last_tuplets_, use stopped_tuplets_ only.
+ // clear stopped_tuplets_ at start_translation_timestep
+ last_tuplets_.push_back (bracket);
+ last_tuplets_.push_back (number);
+ }
+ }
+ stopped_tuplets_.clear ();
+
+ concat (tuplets_, new_tuplets_);
+ new_tuplets_.clear ();
+ for (vsize j = tuplets_.size (); j > 0; j--)
{
- if (tuplets_[i].spanner_)
+ /* i goes from size-1 downto 0, inclusively */
+ vsize i = j - 1;
+
+
+ if (tuplets_[i].bracket_)
continue;
- Spanner *spanner = make_spanner ("TupletBracket",
- tuplets_[i].music_->self_scm ());
- tuplets_[i].spanner_ = spanner;
+ tuplets_[i].full_length_ = to_boolean (get_property ("tupletFullLength"));
+ tuplets_[i].full_length_note_
+ = to_boolean (get_property ("tupletFullLengthNote"));
+
+ tuplets_[i].bracket_ = make_spanner ("TupletBracket",
+ tuplets_[i].event_->self_scm ());
+ tuplets_[i].number_ = make_spanner ("TupletNumber",
+ tuplets_[i].event_->self_scm ());
+ tuplets_[i].number_->set_object ("bracket", tuplets_[i].bracket_->self_scm ());
+ tuplets_[i].bracket_->set_object ("tuplet-number", tuplets_[i].number_->self_scm ());
+ tuplets_[i].stop_moment_.grace_part_ = 0;
+
+
+ if (i + 1 < tuplets_.size () && tuplets_[i + 1].bracket_)
+ Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
+
+ if (i > 0 && tuplets_[i - 1].bracket_)
+ Tuplet_bracket::add_tuplet_bracket (tuplets_[i - 1].bracket_, tuplets_[i].bracket_);
- SCM proc = get_property ("tupletNumberFormatFunction");
- if (ly_is_procedure (proc))
- {
- SCM t = scm_apply_0 (proc, scm_list_1 (tuplets_[i].music_->self_scm ()));
- spanner->set_property ("text", t);
- }
}
}
void
-Tuplet_engraver::acknowledge_note_column (Grob_info i)
+Tuplet_engraver::acknowledge_note_column (Grob_info inf)
{
- for (int j = 0; j < tuplets_.size (); j++)
- if (tuplets_[j].spanner_)
- Tuplet_bracket::add_column (tuplets_[j].spanner_,
- dynamic_cast<Item *> (i.grob ()));
+ for (vsize j = 0; j < tuplets_.size (); j++)
+ if (tuplets_[j].bracket_)
+ {
+ Item *i = dynamic_cast<Item *> (inf.grob ());
+ Tuplet_bracket::add_column (tuplets_[j].bracket_, i);
+ add_bound_item (tuplets_[j].number_, i);
+ }
}
void
Tuplet_engraver::start_translation_timestep ()
{
- Moment now = now_mom ();
-
- for (int i = tuplets_.size (); i--;)
- {
- Moment tsdmom = robust_scm2moment (get_property ("tupletSpannerDuration"), Moment (0));
-
- Rational tsd = tsdmom.main_part_;
-
- if (now.main_part_ >= tuplets_[i].span_stop_)
- {
- if (Spanner *sp = tuplets_[i].spanner_)
- {
- if (!sp->get_bound (RIGHT))
- sp->set_bound (RIGHT, sp->get_bound (LEFT));
-
- tuplets_[i].spanner_ = 0;
- }
-
- if (tsd)
- tuplets_[i].span_stop_ += tsd;
- }
+ last_tuplets_.clear ();
+ /*
+ May seem superfluous, but necessary for skipTypesetting.
+ */
+ new_tuplets_.clear ();
+}
- if (now.main_part_ >= tuplets_[i].stop_)
- {
- tuplets_.del (i);
- }
- }
+void
+Tuplet_engraver::finalize ()
+{
+ if (to_boolean (get_property ("tupletFullLength")))
+ for (vsize i = 0; i < last_tuplets_.size (); i++)
+ {
+ Item *col = unsmob_item (get_property ("currentCommandColumn"));
+ last_tuplets_[i]->set_bound (RIGHT, col);
+ }
}
Tuplet_engraver::Tuplet_engraver ()
{
}
-ADD_ACKNOWLEDGER(Tuplet_engraver,note_column);
+
+ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
ADD_TRANSLATOR (Tuplet_engraver,
- /* descr */ "Catch Time_scaled_music and generate appropriate bracket ",
- /* creats*/ "TupletBracket",
- /* accepts */ "time-scaled-music",
- /* acks */ "",
- /* reads */ "tupletNumberFormatFunction tupletSpannerDuration",
- /* write */ "");
+ /* doc */
+ "Catch tuplet events and generate appropriate bracket.",
+
+ /* create */
+ "TupletBracket "
+ "TupletNumber ",
+
+ /* read */
+ "tupletFullLength "
+ "tupletFullLengthNote ",
+
+ /* write */
+ ""
+ );