#include "staff-symbol-referencer.hh"
#include "stream-event.hh"
#include "tie.hh"
+#include "tie-column.hh"
#include "warn.hh"
#include "translator.icc"
-/*
- TODO: make matching rest engraver.
-*/
-
/*
How does this work?
class Completion_heads_engraver : public Engraver
{
- vector<Item*> notes_;
- vector<Item*> prev_notes_;
+ vector<Item *> notes_;
+ vector<Item *> prev_notes_;
// Must remember notes for explicit ties.
- vector<Item*> tie_note_candidates_;
- vector<Stream_event*> tie_note_candidate_events_;
- vector<Grob*> ties_;
- vector<Stream_event*> note_events_;
+ vector<Item *> tie_note_candidates_;
+ vector<Stream_event *> tie_note_candidate_events_;
+ vector<Grob *> ties_;
+ vector<Stream_event *> note_events_;
+ Spanner *tie_column_;
Moment note_end_mom_;
bool is_first_;
Rational left_to_do_;
Rational factor_;
Moment next_barline_moment ();
- Item *make_note_head (Stream_event*);
+ Item *make_note_head (Stream_event *);
public:
TRANSLATOR_DECLARATIONS (Completion_heads_engraver);
Completion_heads_engraver::listen_note (Stream_event *ev)
{
note_events_.push_back (ev);
-
+
is_first_ = true;
Moment now = now_mom ();
Moment musiclen = get_event_length (ev, now);
}
/*
- The duration _until_ the next barline.
+ The duration _until_ the next bar line.
*/
Moment
Completion_heads_engraver::next_barline_moment ()
return (*l - *e);
}
-Item*
+Item *
Completion_heads_engraver::make_note_head (Stream_event *ev)
{
Item *note = make_item ("NoteHead", ev->self_scm ());
{
if (!is_first_ && !left_to_do_)
return;
-
+
is_first_ = false;
Moment now = now_mom ();
event->unprotect ();
notes_.push_back (note);
}
-
+
if (prev_notes_.size () == notes_.size ())
{
for (vsize i = 0; i < notes_.size (); i++)
make_tie (prev_notes_[i], notes_[i]);
}
+ if (ties_.size () && !tie_column_)
+ tie_column_ = make_spanner ("TieColumn", ties_[0]->self_scm ());
+
+ if (tie_column_)
+ for (vsize i = ties_.size (); i--;)
+ Tie_column::add_tie (tie_column_, ties_[i]);
+
left_to_do_ -= note_dur.get_length ();
if (left_to_do_)
- get_global_context ()->add_moment_to_process (now.main_part_ + note_dur.get_length());
+ get_global_context ()->add_moment_to_process (now.main_part_ + note_dur.get_length ());
/*
don't do complicated arithmetic with grace notes.
*/
Tie::set_head (p, RIGHT, right);
ties_.push_back (p);
}
-
+
void
Completion_heads_engraver::stop_translation_timestep ()
{
ties_.clear ();
+ tie_column_ = 0;
if (notes_.size ())
prev_notes_ = notes_;
Completion_heads_engraver::Completion_heads_engraver ()
{
+ tie_column_ = 0;
}
ADD_TRANSLATOR (Completion_heads_engraver,
/* doc */
"This engraver replaces @code{Note_heads_engraver}. It plays"
" some trickery to break long notes and automatically tie them"
- " into the next measure."
- ,
+ " into the next measure.",
+
/* create */
"NoteHead "
"Tie "
- ,
+ "TieColumn ",
+
/* read */
- "middleCPosition "
- "measurePosition "
"measureLength "
- ,
+ "measurePosition "
+ "middleCPosition "
+ "timing ",
+
/* write */
"completionBusy "
);