lily/headreg.cc

   1 /*
   2   headreg.cc -- part of LilyPond
   3
   4   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   5 */
   6 #include "rest.hh"
   7 #include "notehead.hh"
   8 #include "headreg.hh"
   9 #include "paper-def.hh"
  10 #include "complex-walker.hh"
  11 #include "musical-request.hh"
  12
  13 Notehead_register::Notehead_register()
  14 {
  15     note_p_ = 0;
  16     set_feature(Features::dir(0));
  17     post_move_processing();
  18 }
  19
  20 bool
  21 Notehead_register::try_request(Request *req_l)
  22 {
  23     if (req_l->note() || req_l->rest())
  24         note_req_l_=req_l->rhythmic();
  25     else
  26         return false;
  27
  28     return true;
  29 }
  30 void
  31 Notehead_register::set_feature(Features d)
  32 {
  33     if(d.direction_i_ || d.initialiser_b_)
  34         dir_i_ = d.direction_i_;
  35 }
  36
  37 void
  38 Notehead_register::process_requests()
  39 {
  40     if (!note_req_l_)
  41         return;
  42
  43
  44     if (note_req_l_->note()) {
  45         Notehead*n_p = new Notehead(8); // ugh
  46         note_p_ = n_p;
  47         n_p->set_rhythmic(note_req_l_->rhythmic());
  48         n_p->position = note_req_l_->note()->height() +
  49             *get_staff_info().c0_position_i_;
  50     } else {
  51         note_p_ = new Rest ( note_req_l_->rhythmic()->duration_);
  52         if (note_req_l_->rhythmic()->duration_.type_i_ <= 2)
  53             note_p_->translate(
  54                 Offset(0,
  55                        6 * paper()->internote()));
  56     }
  57     Staff_elem_info itinf(note_p_,note_req_l_);
  58     announce_element(itinf);
  59 }
  60
  61 void
  62 Notehead_register::pre_move_processing()
  63 {
  64     if (note_p_) {
  65         if (dir_i_ && note_p_->name() == Rest::static_name())
  66             note_p_->translate(Offset(0, 4*dir_i_ * paper()->internote()));
  67         typeset_element(note_p_);
  68         note_p_ = 0;
  69     }
  70 }
  71 void
  72 Notehead_register::post_move_processing()
  73 {
  74     note_req_l_ = 0;
  75 }
  76
  77 IMPLEMENT_STATIC_NAME(Notehead_register);