lily/local-key-reg.cc

   1 /*
   2   local-key-reg.cc -- implement Local_key_register
   3
   4   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   5 */
   6
   7 #include "musical-request.hh"
   8 #include "command-request.hh"
   9 #include "local-key-reg.hh"
  10 #include "local-key-item.hh"
  11 #include "key-reg.hh"
  12 #include "debug.hh"
  13 #include "key-item.hh"
  14 #include "tie.hh"
  15 #include "note-head.hh"
  16 #include "time-description.hh"
  17
  18 Local_key_register::Local_key_register()
  19 {
  20     key_C_ = 0;
  21 }
  22
  23 void
  24 Local_key_register::do_pre_move_processing()
  25 {
  26     Local_key_item *key_item_p = 0;
  27     if (mel_l_arr_.size()) {
  28         for (int i=0; i  < mel_l_arr_.size(); i++) {
  29             Item * support_l = support_l_arr_[i];
  30             Note_req * note_l = mel_l_arr_[i];
  31
  32             if (tied_l_arr_.find_l(support_l) &&
  33                 !note_l->forceacc_b_)
  34                 continue;
  35
  36             if( !note_l->forceacc_b_ &&
  37                 local_key_.oct(note_l->octave_i_).acc(note_l->notename_i_)
  38                 == note_l->accidental_i_)
  39                 continue;
  40
  41
  42
  43             if (!key_item_p)
  44                 key_item_p = new Local_key_item(*get_staff_info().c0_position_i_l_);
  45             key_item_p->add(note_l);
  46             key_item_p->add_support(support_l);
  47             local_key_.oct(note_l->octave_i_)
  48                 .set(note_l->notename_i_, note_l->accidental_i_);
  49         }
  50
  51     }
  52     if (key_item_p) {
  53         for(int i=0; i < support_l_arr_.size(); i++)
  54             key_item_p->add_support(support_l_arr_[i]);
  55
  56         typeset_element(key_item_p);
  57     }
  58
  59     mel_l_arr_.set_size(0);
  60     tied_l_arr_.set_size(0);
  61     support_l_arr_.set_size(0);
  62     forced_l_arr_.set_size(0);
  63 }
  64
  65 void
  66 Local_key_register::acknowledge_element(Score_elem_info info)
  67 {
  68     Score_elem * elem_l = info.elem_l_;
  69     if (info.req_l_->musical() && info.req_l_->musical()->note()) {
  70         Note_req * note_l = info.req_l_->musical()->note();
  71         Item * item_l = info.elem_l_->item();
  72
  73         mel_l_arr_.push(note_l );
  74         support_l_arr_.push(item_l);
  75
  76     } else if (info.req_l_->command()
  77                && info.req_l_->command()->keychange()) {
  78         Key_register * key_reg_l =
  79             (Key_register*)info.origin_reg_l_arr_[0];
  80         key_C_ = &key_reg_l->key_;
  81         local_key_ = *key_C_;
  82     } else if (elem_l->name() == Key_item::static_name()) {
  83         Key_register * key_reg_l =
  84             (Key_register*)info.origin_reg_l_arr_[0];
  85         key_C_ = &key_reg_l->key_;
  86     } else if (elem_l->name() == Tie::static_name()) {
  87         Tie * tie_l = (Tie*)elem_l->spanner();
  88         if (tie_l->same_pitch_b_)
  89             tied_l_arr_.push(tie_l-> right_head_l_ );
  90     }
  91 }
  92
  93 void
  94 Local_key_register::do_process_requests()
  95 {
  96     Time_description const * time_C_ = get_staff_info().time_C_;
  97     if (! time_C_->whole_in_measure_){
  98         if (key_C_)
  99             local_key_= *key_C_;
 100         else if(0&& time_C_->when_ >Moment(0))
 101             warning ("Help me! can't figure out current key");
 102     }
 103 }
 104
 105 IMPLEMENT_STATIC_NAME(Local_key_register);
 106 IMPLEMENT_IS_TYPE_B1(Local_key_register,Request_register);
 107 ADD_THIS_REGISTER(Local_key_register);