lily/score-align-grav.cc

   1 /*
   2   score-align-reg.cc -- implement Score_align_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9
  10 #include "elem-group-item.hh"
  11 #include "score-align-grav.hh"
  12 #include "item.hh"
  13
  14 Score_align_engraver::Score_align_engraver()
  15 {
  16     type_ch_C_ = 0;
  17     priority_i_ =0;
  18     align_p_=0;
  19 }
  20
  21 void
  22 Score_align_engraver::do_pre_move_processing()
  23 {
  24     if (align_p_) {
  25         typeset_breakable_item( align_p_);
  26         align_p_ =0;
  27     }
  28 }
  29
  30 void
  31 Score_align_engraver::acknowledge_element(Score_elem_info inf)
  32 {
  33     if (inf.elem_l_->is_type_b(type_ch_C_ )) {
  34
  35         if (! align_p_ ) {
  36             align_p_ = new Horizontal_group_item;
  37             announce_element(Score_elem_info(align_p_,0));
  38         }
  39
  40         align_p_->add_element(inf.elem_l_);
  41     }
  42 }
  43
  44 IMPLEMENT_STATIC_NAME(Score_align_engraver)
  45 IMPLEMENT_IS_TYPE_B1(Score_align_engraver,Engraver);