lily/single-malt-grouping-item.cc

   1 /*
   2   single-malt-grouping-item.cc --  implement Single_malt_grouping_item
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1998--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #include "single-malt-grouping-item.hh"
  11 #include "p-col.hh"
  12 #include "debug.hh"
  13
  14 Single_malt_grouping_item ::Single_malt_grouping_item()
  15 {
  16   set_elt_property (break_helper_only_scm_sym, SCM_BOOL_T);
  17   set_elt_property (transparent_scm_sym, SCM_BOOL_T);
  18
  19   // this is weird! , but needed!
  20   set_empty (true);
  21 }
  22
  23 void
  24 Single_malt_grouping_item::add_item (Item* i)
  25 {
  26   assert (i);
  27   item_l_arr_.push (i);
  28   add_dependency (i);
  29 }
  30
  31 Interval
  32 Single_malt_grouping_item::my_width () const
  33 {
  34   Paper_column * pc = column_l ();
  35   Interval w;
  36   for (int i=0; i < item_l_arr_.size (); i++)
  37     {
  38       Item *il = item_l_arr_[i];
  39       if (pc != il->column_l ())
  40         {
  41           /* this shouldn't happen, but let's continue anyway. */
  42           programming_error (_("Single_malt_grouping_item: I've been drinking too much"));
  43           continue;             /*UGH UGH*/
  44         }
  45
  46       Interval iv (il->extent (X_AXIS));
  47       if (!iv.empty_b ())
  48         {
  49           Real off = il->relative_coordinate (pc->dim_cache_[X_AXIS], X_AXIS);
  50           w.unite  (iv + off);
  51         }
  52     }
  53
  54   return w;
  55  // add this->offset_ ? this-> relative_coordinate ()?
  56 }
  57
  58
  59
  60 void
  61 Single_malt_grouping_item::do_substitute_element_pointer (Score_element*o,
  62                                                           Score_element*n)
  63 {
  64   if (dynamic_cast <Item *> (o))
  65     {
  66       item_l_arr_.unordered_substitute (dynamic_cast <Item *> (o),
  67                                         dynamic_cast <Item *> (n));
  68     }
  69 }
  70
  71 void
  72 Single_malt_grouping_item::do_print () const
  73 {
  74 #ifndef NDEBUG
  75   for (int i=0; i < item_l_arr_.size (); i++)
  76     {
  77       DOUT << classname (item_l_arr_[i]) << ", ";
  78     }
  79 #endif
  80 }