lily/vertical-group-spanner.cc

   1 /*
   2   vertical-group-spanner.cc -- implement Vertical_group_spanner
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "vertical-group-spanner.hh"
  10 #include "item.hh"
  11 #include "p-col.hh"
  12
  13 /**
  14   Uncouple all elements of this Vertical_group. Ugh!
  15  */
  16 void
  17 Vertical_group_spanner::remove_all()
  18 {
  19     for (int i=0; i < elem_l_arr_.size(); i++){
  20         elem_l_arr_[i]->y_group_l_ = 0;
  21     }
  22     elem_l_arr_.set_size(0);
  23     junk_dependencies();
  24 }
  25
  26 void
  27 Vertical_group_spanner::do_break_processing()
  28 {
  29     set_my_columns();
  30     if ( line_l() ) {
  31         return;
  32     }
  33     break_into_pieces( false );
  34
  35     Link_array<Score_elem> elem_l_arr = elem_l_arr_;
  36     remove_all();
  37
  38
  39
  40     for (int i=0; i < elem_l_arr.size(); i++) {
  41         Score_elem * elt = elem_l_arr[i];
  42         Line_of_score *elt_line = elt->line_l();
  43
  44         if  ( elt-> y_group_l_ )
  45             continue;
  46
  47         if ( ! elt_line ){
  48             if (elt->spanner()) {
  49                 Spanner * sp = elt->spanner();
  50
  51                 for (int j =0; j < broken_into_l_arr_.size(); j++) {
  52                     Vertical_group_spanner * my_broken_l
  53                          = (Vertical_group_spanner*)broken_into_l_arr_[j];
  54
  55                     Spanner * broken_span_l
  56                         = sp->find_broken_piece(my_broken_l->line_l());
  57
  58                     if (broken_span_l) {
  59                         my_broken_l->add_element(broken_span_l );
  60                     }
  61                 }
  62             } else if (elt->item() && elt->item()->pcol_l_->breakpoint_b()
  63                        && elt->item()->break_status_i() == 0) {
  64                 for (int j =0; j < 2; j++) {
  65                     Item * my_item = elt->item()->broken_to_a_[j];
  66                     Line_of_score * item_line_l_ = my_item->line_l() ;
  67                     if ( ! item_line_l_ )
  68                         continue;
  69
  70                     Vertical_group_spanner * v
  71                         = (Vertical_group_spanner*)find_broken_piece( item_line_l_);
  72                     if (v) {
  73                         v->add_element( my_item );
  74                     }
  75                 }
  76             }
  77         } else {
  78             Vertical_group_spanner * my_broken_l
  79                 = (Vertical_group_spanner*)find_broken_piece( elt->line_l() );
  80             my_broken_l->add_element( elt );
  81         }
  82     }
  83     for (int j =0; j < broken_into_l_arr_.size(); j++)
  84         broken_into_l_arr_[j]->break_processing();
  85 }
  86
  87 Vertical_group_spanner::Vertical_group_spanner()
  88 {
  89 }
  90
  91 void
  92 Vertical_group_spanner::do_print() const
  93 {
  94     Vertical_group::do_print();
  95 }
  96
  97
  98
  99 IMPLEMENT_IS_TYPE_B2(Vertical_group_spanner, Spanner, Vertical_group);
 100
 101 Vertical_group_spanner::Vertical_group_spanner(Vertical_group_spanner const &s)
 102     : Spanner(s), Vertical_group(s)
 103 {
 104 }