lily/score-reg.cc

   1 /*
   2   score-reg.cc -- implement Score_register
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "super-elem.hh"
   9 #include "scoreline.hh"
  10 #include "debug.hh"
  11 #include "score-elem.hh"
  12 #include "bar.hh"               // needed for Bar::static_name
  13 #include "staffline.hh"
  14 #include "score-reg.hh"
  15 #include "p-col.hh"
  16 #include "p-score.hh"
  17 #include "score.hh"
  18 #include "musical-request.hh"
  19 #include "score-column.hh"
  20
  21
  22 void
  23 Score_register::set_score(Score *s)
  24 {
  25     Global_acceptor::set_score(s);
  26     scoreline_l_ = s->pscore_p_->super_elem_l_->line_of_score_l_;
  27 }
  28
  29 Score_register::Score_register()
  30 {
  31     scoreline_l_ =0;
  32     command_column_l_ =0;
  33     musical_column_l_ =0;
  34 }
  35
  36
  37 void
  38 Score_register::prepare(Moment w)
  39 {
  40     Score_column* c1 = new Score_column(w);
  41     Score_column* c2 = new Score_column(w);
  42
  43     c1->musical_b_ = false;
  44     c2->musical_b_ = true;
  45
  46     score_l_->cols_.bottom().add(c1);
  47     score_l_->cols_.bottom().add(c2);
  48     set_cols(c1,c2);
  49
  50
  51     post_move_processing();
  52 }
  53 void
  54 Score_register::finish()
  55 {
  56     check_removal();
  57     do_removal_processing();
  58 }
  59
  60 void
  61 Score_register::do_creation_processing()
  62 {
  63     scoreline_l_->left_col_l_ = get_staff_info().command_pcol_l();
  64     scoreline_l_->left_col_l_ ->set_breakable();
  65     Register_group_register::do_creation_processing();
  66 }
  67
  68 void
  69 Score_register::set_cols(Score_column*c1,Score_column*c2)
  70 {
  71     command_column_l_ = c1;
  72     musical_column_l_ = c2;
  73 }
  74
  75 void
  76 Score_register::do_removal_processing()
  77 {
  78     Register_group_register::do_removal_processing();
  79     scoreline_l_->right_col_l_ = get_staff_info().command_pcol_l();
  80     scoreline_l_->right_col_l_ ->set_breakable();
  81     typeset_all();
  82 }
  83
  84 void
  85 Score_register::process()
  86 {
  87         process_requests();
  88         do_announces();
  89         pre_move_processing();
  90         check_removal();
  91 }
  92
  93 void
  94 Score_register::announce_element(Score_elem_info info)
  95 {
  96     info.origin_reg_l_arr_.push(this);
  97     if (info.elem_l_->name() == Bar::static_name()) {
  98         get_staff_info().command_pcol_l()->set_breakable();
  99     } else if ( info.elem_l_->is_type_b( Line_of_staff::static_name() ) &&
 100                 !scoreline_l_->contains_b( info.elem_l_) )
 101
 102         scoreline_l_->add(info.elem_l_);
 103
 104     announce_info_arr_.push(info);
 105 }
 106 void
 107 Score_register::do_announces()
 108 {
 109     /* All elements are propagated to the top upon announcement. If
 110       something was created during one run of
 111       Register_group_register::do_announces, then
 112       announce_info_arr_.size() will be nonzero again
 113
 114       */
 115     while (announce_info_arr_.size()) {
 116         for (int i=0; i <announce_info_arr_.size(); i++)
 117             /*
 118               TODO
 119
 120               More subtle spacing
 121              */
 122             if (announce_info_arr_[i].req_l_) {
 123                 Musical_req *m = announce_info_arr_[i].req_l_->musical();
 124                 if (m&&m->rhythmic()) {
 125                     musical_column_l_->add_duration( m->duration());
 126                 }
 127             }
 128         Register_group_register::do_announces();
 129     }
 130 }
 131
 132
 133 void
 134 Score_register::typeset_element(Score_elem *elem_p)
 135 {
 136     musical_item_p_arr_.push(elem_p);
 137 }
 138
 139 void
 140 Score_register::typeset_breakable_item(Item * nobreak_p)
 141 {
 142     if (nobreak_p) {
 143         nobreak_item_p_arr_.push(nobreak_p);
 144     }
 145 }
 146
 147 void
 148 Score_register::typeset_all()
 149 {
 150     PCol * c= get_staff_info().command_pcol_l();
 151     PScore *ps_l = score_l_->pscore_p_;
 152
 153     for  (int i =0; i < nobreak_item_p_arr_.size(); i++) {
 154         ps_l->typeset_item(nobreak_item_p_arr_[i], c, 0);
 155         scoreline_l_->add(nobreak_item_p_arr_[i]);
 156     }
 157     nobreak_item_p_arr_.set_size(0);
 158
 159     for (int i=0; i < musical_item_p_arr_.size(); i++) {
 160         PCol* m = get_staff_info().musical_pcol_l();
 161         Score_elem *elem_p = musical_item_p_arr_[i];
 162
 163         scoreline_l_->add(elem_p);
 164         if (elem_p->spanner()) {
 165             ps_l->typeset_unbroken_spanner(elem_p->spanner());
 166         } else if (elem_p->item()) {
 167             ps_l->typeset_item(elem_p->item(), m, 0);
 168         } else
 169             assert(false);
 170     }
 171     musical_item_p_arr_.set_size(0);
 172 }
 173
 174
 175 void
 176 Score_register::do_pre_move_processing()
 177 {
 178     // this generates all items.
 179     Register_group_register::do_pre_move_processing();
 180
 181     typeset_all();
 182 }
 183
 184
 185 Staff_info
 186 Score_register::get_staff_info()const
 187 {
 188     Staff_info inf;
 189
 190     inf.command_l_ = command_column_l_;
 191     inf.musical_l_ = musical_column_l_;
 192     return inf;
 193 }
 194
 195 Paper_def*
 196 Score_register::paper()const
 197 {
 198     return score_l_->paper_p_;
 199 }
 200
 201
 202
 203 bool
 204 Score_register::do_try_request(Request*r)
 205 {
 206     bool gotcha = false;
 207     for (int i =0; !gotcha && i < nongroup_l_arr_.size() ; i++)
 208         gotcha = nongroup_l_arr_[i]->try_request(r);
 209
 210     return gotcha;
 211 }
 212
 213 IMPLEMENT_IS_TYPE_B1(Score_register,Register_group_register);
 214 IMPLEMENT_STATIC_NAME(Score_register);
 215 ADD_THIS_REGISTER(Score_register);
 216