src/script-reg.cc

   1 /*
   2   script-reg.cc -- implement Script_register
   3
   4   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   5 */
   6
   7 #include "script-reg.hh"
   8 #include "script.hh"
   9 #include "musicalrequest.hh"
  10 #include "complex-walker.hh"
  11 #include "stem.hh"
  12
  13 Script_register::Script_register()
  14 {
  15     script_p_ = 0;
  16     post_move_processing();
  17 }
  18
  19 bool
  20 Script_register::try_request(Request *r_l)
  21 {
  22     if (!r_l->script())
  23         return false ;
  24
  25     if (script_req_l_
  26         && Script_req::compare(*script_req_l_, *r_l->script()))
  27
  28         return false;
  29
  30     script_req_l_ = r_l->script();
  31
  32     return true;
  33 }
  34
  35 void
  36 Script_register::process_requests()
  37 {
  38     if (script_req_l_) {
  39         script_p_ = new Script(script_req_l_, 10);
  40         announce_element(
  41             Staff_elem_info(script_p_, script_req_l_));
  42     }
  43 }
  44
  45 void
  46 Script_register::acknowledge_element(Staff_elem_info info)
  47 {
  48     if (!script_p_)
  49         return;
  50     if (info.elem_p_->name() == Stem::static_name())
  51         script_p_->set_stem((Stem*)info.elem_p_);
  52     else if (info.req_l_->rhythmic())
  53         script_p_->set_support(info.elem_p_->item());
  54 }
  55
  56 void
  57 Script_register::pre_move_processing()
  58 {
  59     if (script_p_){
  60         script_p_->dir = dir_i_;
  61         typeset_element(script_p_);
  62         script_p_ = 0;
  63     }
  64 }
  65 void
  66 Script_register::post_move_processing()
  67 {
  68     script_req_l_ = 0;
  69 }
  70
  71 void
  72 Script_register::set_feature(Features i)
  73 {
  74     if (i.direction_i_|| i.initialiser_b_)
  75         dir_i_ = i.direction_i_;
  76 }