lily/score-halign-reg.cc

   1 /*
   2   score-halign-reg.cc -- implement Score_horizontal_align_register
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "bar.hh"
  10 #include "break-align-item.hh"
  11 #include "score-halign-reg.hh"
  12 #include "score-align-reg.hh"
  13
  14 Score_horizontal_align_register::Score_horizontal_align_register()
  15 {
  16     halign_p_ =0;
  17 }
  18
  19 void
  20 Score_horizontal_align_register::do_pre_move_processing()
  21 {
  22     if (halign_p_) {
  23         typeset_breakable_item(halign_p_);
  24         halign_p_ =0;
  25     }
  26
  27 }
  28
  29 void
  30 Score_horizontal_align_register::acknowledge_element(Score_elem_info i)
  31 {
  32     Request_register* reg = i.origin_reg_l_arr_[0];
  33     if (reg->is_type_b(
  34         Score_align_register::static_name()) )
  35     {
  36         Score_align_register * align_reg_l = (Score_align_register*) reg;
  37         if (!halign_p_) {
  38             halign_p_ = new Break_align_item;
  39             announce_element(Score_elem_info(halign_p_,0));
  40         }
  41         Item * it = i.elem_l_->item();
  42         if (align_reg_l->type_ch_C_ == Bar::static_name())
  43             halign_p_->center_l_ = it;
  44
  45         halign_p_->add(it, align_reg_l->priority_i_);
  46     }
  47 }
  48 IMPLEMENT_STATIC_NAME(Score_horizontal_align_register);
  49 IMPLEMENT_IS_TYPE_B1(Score_horizontal_align_register,Request_register);
  50 ADD_THIS_REGISTER(Score_horizontal_align_register);