- last_start_ = Moment (-1);
-}
-
-bool
-Phrasing_slur_engraver::try_music (Music *ev)
-{
- if (ev->is_mus_type ("phrasing-slur-event"))
- {
- /*
- Let's not start more than one phrasing slur per moment.
- */
-
- Direction d = to_dir (ev->get_property ("span-direction"));
-
- if (d == START)
- {
- if (now_mom () > last_start_)
- {
- new_phrasing_slur_evs_.push (ev);
- last_start_ = now_mom ();
- return true;
- }
- }
- else
- {
- new_phrasing_slur_evs_.push (ev);
- return true;
- }
- }
- return false;
-}
-
-void
-Phrasing_slur_engraver::acknowledge_grob (Grob_info info)
-{
- if (Note_column::has_interface (info.grob_))
- {
- Grob *e =info.grob_;
- for (int i = 0; i < phrasing_slurs_.size (); i++)
- Slur::add_column (phrasing_slurs_[i], e);
- for (int i = 0; i < end_phrasing_slurs_.size (); i++)
- Slur::add_column (end_phrasing_slurs_[i], e);
- }
-}
-
-void
-Phrasing_slur_engraver::finalize ()
-{
- for (int i = 0; i < phrasing_slurs_.size (); i++)
- {
- /*
- Let's not typeset unterminated stuff
- */
- phrasing_slurs_[i]->suicide ();
- }
- phrasing_slurs_.clear ();
-
- for (int i=0; i < eventses_.size (); i++)
- {
- eventses_[i]->origin ()->warning (_ ("unterminated phrasing slur"));
- }
-}
-
-void
-Phrasing_slur_engraver::process_acknowledged_grobs ()
-{
- Link_array<Grob> start_phrasing_slurs;
- for (int i=0; i< new_phrasing_slur_evs_.size (); i++)
- {
- Music* phrasing_slur_ev = new_phrasing_slur_evs_[i];
- // end phrasing slur: move the phrasing slur to other array
-
- Direction d = to_dir (phrasing_slur_ev->get_property ("span-direction"));
-
- if (d == STOP)
- {
- if (phrasing_slurs_.is_empty ())
- phrasing_slur_ev->origin ()->warning (_f ("can't find start of phrasing slur"));
- else
- {
- Grob* phrasing_slur = phrasing_slurs_.pop ();
- end_phrasing_slurs_.push (phrasing_slur);
- eventses_.pop ();
- }
- }
- else if (d == START)
- {
- // push a new phrasing_slur onto stack.
- // (use temp. array to wait for all phrasing_slur STOPs)
- Grob* phrasing_slur = make_spanner ("PhrasingSlur");
- Slur::set_interface (phrasing_slur); // can't remove.
-
-
- if (Direction updown = to_dir (phrasing_slur_ev->get_property ("direction")))
- {
- phrasing_slur->set_property ("direction", gh_int2scm (updown));
- }
-
- start_phrasing_slurs.push (phrasing_slur);
- eventses_.push (phrasing_slur_ev);
- announce_grob(phrasing_slur, phrasing_slur_ev->self_scm());
- }
- }
- for (int i=0; i < start_phrasing_slurs.size (); i++)
- phrasing_slurs_.push (start_phrasing_slurs[i]);
- new_phrasing_slur_evs_.clear ();