lily/engraver-group.cc

   1 /*
   2   engravergroup.cc -- implement Engraver_group_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "proto.hh"
  10 #include "plist.hh"
  11 #include "engraver-group.hh"
  12 #include "engraver.hh"
  13 #include "debug.hh"
  14 #include "p-score.hh"
  15 #include "score-elem.hh"
  16
  17 IMPLEMENT_IS_TYPE_B2(Engraver_group_engraver,Engraver, Translator_group);
  18 ADD_THIS_TRANSLATOR(Engraver_group_engraver);
  19
  20 void
  21 Engraver_group_engraver::announce_element (Score_elem_info info)
  22 {
  23   announce_info_arr_.push (info);
  24   Engraver::announce_element (info);
  25 }
  26
  27 void
  28 Engraver_group_engraver::do_announces()
  29 {
  30   Link_array<Translator_group> groups = group_l_arr ();
  31   for (int i=0; i < groups.size(); i++)
  32     {
  33       Engraver * eng = groups[i]->engraver_l ();
  34       if (eng)
  35         {
  36           Engraver_group_engraver * group =
  37             (Engraver_group_engraver*) eng;
  38           group->do_announces();
  39         }
  40     }
  41
  42   Request dummy_req;
  43
  44   Link_array<Translator> nongroups = nongroup_l_arr ();
  45   while (announce_info_arr_.size ())
  46     {
  47       for (int j =0; j < announce_info_arr_.size(); j++)
  48         {
  49           Score_elem_info info = announce_info_arr_[j];
  50
  51           if (!info.req_l_)
  52             info.req_l_ = &dummy_req;
  53           for (int i=0; i < nongroups.size(); i++)
  54             {   // Is this good enough?
  55               Engraver * eng = nongroups[i]->engraver_l ();
  56               if (eng && eng!= info.origin_grav_l_arr_[0])
  57                 eng->acknowledge_element (info);
  58             }
  59         }
  60       announce_info_arr_.clear ();
  61       for (int i=0; i < nongroups.size(); i++)
  62         {
  63           Engraver * eng = nongroups[i]->engraver_l ();
  64           if (eng)
  65             eng->process_acknowledged ();
  66         }
  67
  68     }
  69 }
  70
  71
  72 Staff_info
  73 Engraver_group_engraver::get_staff_info() const
  74 {
  75   Staff_info inf = Engraver::get_staff_info();
  76
  77   Link_array<Translator> simple_translators = nongroup_l_arr ();
  78   for (int i=0; i < simple_translators.size(); i++)
  79     {
  80     Engraver * eng = simple_translators[i]->engraver_l ();
  81     if (eng)
  82       eng->fill_staff_info (inf);
  83     }
  84   return inf;
  85 }
  86
  87
  88
  89 Engraver_group_engraver::~Engraver_group_engraver ()
  90 {
  91 }
  92
  93 Engraver_group_engraver::Engraver_group_engraver ()
  94 {
  95 }