src/slur-reg.cc

   1 /*
   2   slur-reg.cc -- implement Slur_register
   3
   4   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   5 */
   6
   7 #include "plist.hh"
   8 #include "musicalrequest.hh"
   9 #include "complex-walker.hh"
  10 #include "slur-reg.hh"
  11 #include "slur.hh"
  12 #include "debug.hh"
  13 #include "notehead.hh"
  14
  15 void
  16 Slur_register::set_feature(Features i)
  17 {
  18     dir_i_ = i.direction_i_;
  19 }
  20
  21 Slur_register::Slur_register()
  22 {
  23     set_feature(Features::dir(0));
  24 }
  25
  26 bool
  27 Slur_register::try_request(Request *req_l)
  28 {
  29     if(!req_l->slur())
  30         return false;
  31
  32     new_slur_req_l_arr_.push(req_l->slur());
  33     return true;
  34 }
  35
  36 void
  37 Slur_register::acknowledge_element(Staff_elem_info info)
  38 {
  39     if (info.elem_p_->name() == Notehead::static_name()) {
  40         Notehead *head_p =(Notehead*) info.elem_p_ ;// ugh
  41         for (int i = 0; i < slur_l_stack_.size(); i++)
  42             slur_l_stack_[i]->add(head_p );
  43         for (int i = 0; i < end_slur_l_arr_.size(); i++)
  44             end_slur_l_arr_[i]->add(head_p);
  45     }
  46 }
  47 /*
  48   abracadabra
  49   */
  50 void
  51 Slur_register::process_requests()
  52 {
  53     Array<Slur*> start_slur_l_arr_;
  54     for (int i=0; i< new_slur_req_l_arr_.size(); i++) {
  55         Slur_req* slur_req_l = new_slur_req_l_arr_[i];
  56         // end slur: move the slur to other array
  57         if (slur_req_l->spantype == Span_req::STOP) {
  58             if (slur_l_stack_.empty())
  59                 warning("can't find slur to end",
  60                       slur_req_l->defined_ch_c_l_);
  61             else {
  62                 end_slur_l_arr_.push(slur_l_stack_.pop());
  63                 requests_arr_.pop();
  64             }
  65         } else  if (slur_req_l->spantype == Span_req::START) {
  66             // push a new slur onto stack.
  67             //(use temp. array to wait for all slur STOPs)
  68             Slur * s_p =new Slur;
  69             requests_arr_.push(slur_req_l);
  70             start_slur_l_arr_.push(s_p);
  71             announce_element(Staff_elem_info(s_p, slur_req_l));
  72         }
  73     }
  74     for (int i=0; i < start_slur_l_arr_.size(); i++)
  75         slur_l_stack_.push(start_slur_l_arr_[i]);
  76 }
  77
  78 void
  79 Slur_register::pre_move_processing()
  80 {
  81     for (int i = 0; i < end_slur_l_arr_.size(); i++) {
  82         if (dir_i_)
  83             end_slur_l_arr_[i]->dir_i_ = dir_i_;
  84         typeset_element(end_slur_l_arr_[i]);
  85     }
  86     end_slur_l_arr_.set_size(0);
  87 }
  88
  89 void
  90 Slur_register::post_move_processing()
  91 {
  92     new_slur_req_l_arr_.set_size(0);
  93 }
  94 Slur_register::~Slur_register()
  95 {
  96     for (int i=0; i < requests_arr_.size(); i++) {
  97         warning("unterminated slur", requests_arr_[i]->defined_ch_c_l_);
  98     }
  99 }