src/localkeyreg.cc

   1 /*
   2   localkeyreg.cc -- implement Local_key_register
   3
   4   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   5 */
   6 #include "musicalrequest.hh"
   7 #include "localkeyreg.hh"
   8 #include "localkeyitem.hh"
   9 #include "complexwalker.hh"
  10
  11 Local_key_register::Local_key_register(Complex_walker*w)
  12     : Request_register(w)
  13 {
  14     key_item_p_ = 0;
  15 }
  16
  17 void
  18 Local_key_register::do_pre_move_process()
  19 {
  20     if (key_item_p_) {
  21         walk_l_->typeset_element(key_item_p_);
  22         key_item_p_ = 0;
  23     }
  24 }
  25 void
  26 Local_key_register::acknowledge_element(Staff_elem_info info)
  27 {
  28     if (info.req_l_->melodic()) {
  29         Melodic_req * melodic_l_ = info.req_l_->melodic();
  30
  31         if( melodic_l_->forceacc_b_ ||
  32             local_key_.oct(melodic_l_->octave_i_).acc(melodic_l_->notename_i_)
  33             != melodic_l_->accidental_i_) {
  34             Item * support_l_ = info.elem_p_->item();
  35
  36
  37             if (!key_item_p_) {
  38                 key_item_p_ = new Local_key_item(walk_l_->c0_position_i());
  39             }
  40
  41             key_item_p_->add(melodic_l_);
  42             key_item_p_->add(support_l_);
  43             local_key_.oct(melodic_l_->octave_i_)
  44                 .set(melodic_l_->notename_i_, melodic_l_->accidental_i_);
  45         }
  46     }
  47 }