source file of the GNU LilyPond music typesetter
- (c) 1998--2006 Han-Wen Nienhuys <hanwen@xs4all.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_;
+ 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;
+ event_ = 0;
+ full_length_note_ = false;
+ full_length_ = false;
bracket_ = 0;
number_ = 0;
}
protected:
vector<Tuplet_description> tuplets_;
+ vector<Tuplet_description> new_tuplets_;
vector<Tuplet_description> stopped_tuplets_;
vector<Spanner*> last_tuplets_;
+
DECLARE_ACKNOWLEDGER (note_column);
- virtual bool try_music (Music *r);
+ 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 ("tuplet-spanner-event"))
+ Direction dir = to_dir (ev->get_property ("span-direction"));
+ if (dir == START)
{
- Direction dir = to_dir (music->get_property ("span-direction"));
- if (dir == START)
+ Tuplet_description d;
+ d.event_ = ev;
+
+ d.length_ = robust_scm2moment (d.event_->get_property ("length"),
+ Moment (0));
+ d.start_moment_ = now_mom ();
+ d.stop_moment_ = now_mom () + d.length_;
+
+ for (vsize i=0; i < new_tuplets_.size (); i++)
{
- Tuplet_description d;
- d.music_ = music;
- tuplets_.push_back (d);
+ /*
+ discard duplicates.
+ */
+ if (new_tuplets_[i].stop_moment_ == d.stop_moment_)
+ return;
}
- if (dir == STOP)
+
+ 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 ()
{
+ /*
+ 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++)
{
- bool full_length = to_boolean (get_property ("tupletFullLength"));
- if (stopped_tuplets_[i].bracket_)
+ Spanner *bracket = stopped_tuplets_[i].bracket_;
+ Spanner *number = stopped_tuplets_[i].number_;
+ if (bracket)
{
- if (full_length)
+ if (stopped_tuplets_[i].full_length_)
{
- Item *col = unsmob_item (get_property ("currentMusicalColumn"));
+ Item *col =
+ unsmob_item (stopped_tuplets_[i].full_length_note_
+ ? get_property ("currentMusicalColumn")
+ : get_property ("currentCommandColumn"));
- stopped_tuplets_[i].bracket_->set_bound (RIGHT, col);
- stopped_tuplets_[i].number_->set_bound (RIGHT, col);
+ bracket->set_bound (RIGHT, col);
+ number->set_bound (RIGHT, col);
}
- else if (!stopped_tuplets_[i].bracket_->get_bound (RIGHT))
+ else if (!bracket->get_bound (RIGHT))
{
- stopped_tuplets_[i].bracket_->set_bound (RIGHT,
- stopped_tuplets_[i].bracket_->get_bound (LEFT));
- stopped_tuplets_[i].number_->set_bound (RIGHT,
- stopped_tuplets_[i].bracket_->get_bound (LEFT));
- }
+ 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 (tuplets_[i].bracket_);
- last_tuplets_.push_back (tuplets_[i].number_);
+ 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--)
{
/* i goes from size-1 downto 0, inclusively */
vsize i = j - 1;
+
if (tuplets_[i].bracket_)
continue;
+ 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].music_->self_scm ());
+ tuplets_[i].event_->self_scm ());
tuplets_[i].number_ = make_spanner ("TupletNumber",
- tuplets_[i].music_->self_scm ());
+ 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 < tuplets_.size () - 1 && tuplets_[i + 1].bracket_)
+ 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 ()));
- tuplets_[i].number_->set_property ("text", t);
- }
}
}
Tuplet_engraver::start_translation_timestep ()
{
last_tuplets_.clear ();
+ /*
+ May seem superfluous, but necessary for skipTypesetting.
+ */
+ new_tuplets_.clear ();
}
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);
- }
- }
+ 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_TRANSLATOR (Tuplet_engraver,
- /* doc */ "Catch TupletSpannerEvent and generate appropriate bracket ",
- /* create */ "TupletBracket TupletNumber ",
- /* accept */ "tuplet-spanner-event",
- /* read */ "tupletNumberFormatFunction tupletFullLength ",
- /* write */ "");
+ /* doc */
+ "Catch tuplet events and generate appropriate bracket.",
+
+ /* create */
+ "TupletBracket "
+ "TupletNumber ",
+
+ /* read */
+ "tupletFullLength "
+ "tupletFullLengthNote ",
+
+ /* write */
+ ""
+ );