lily/text-reg.cc

   1 /*
   2   text-reg.cc -- implement Text_register
   3
   4   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   5 */
   6 #include "note-column.hh"
   7 #include "musical-request.hh"
   8 #include "text-reg.hh"
   9 #include "text-item.hh"
  10
  11 Text_register::Text_register()
  12 {
  13     text_p_ = 0;
  14     dir_i_ =0;
  15     post_move_processing();
  16 }
  17
  18 bool
  19 Text_register::try_request(Request*req_l)
  20 {
  21     if (!req_l->text())
  22         return false;
  23     if (text_req_l_ &&
  24         Text_req::compare(*req_l->text(), *text_req_l_))
  25
  26         return false;
  27
  28     text_req_l_ = req_l->text();
  29     return true;
  30 }
  31 void
  32 Text_register::acknowledge_element(Staff_elem_info i)
  33 {
  34     if (text_p_ && i.elem_l_->name() == Note_column::static_name()) {
  35         text_p_->add_support(i.elem_l_);
  36     }
  37 }
  38 void
  39 Text_register::process_requests()
  40 {
  41     if (text_req_l_) {
  42         text_p_ = new Text_item(text_req_l_->tdef_p_, text_req_l_->dir_i_); // ugh
  43         announce_element(Staff_elem_info(text_p_, text_req_l_));
  44     }
  45 }
  46 void
  47 Text_register::pre_move_processing()
  48 {
  49     if (text_p_) {
  50         if (dir_i_ && !text_p_->dir_i_)
  51             text_p_->dir_i_ = dir_i_;
  52         Staff_symbol* s_l = get_staff_info().staff_sym_l_;
  53         text_p_->set_staffsym(s_l);
  54         typeset_element(text_p_);
  55
  56         text_p_ = 0;
  57     }
  58 }
  59 void
  60 Text_register::set_feature(Feature i)
  61 {
  62     if (i.type_ == "vdir")
  63         dir_i_ = i.value_;
  64 }
  65 void
  66 Text_register::post_move_processing()
  67 {
  68     text_req_l_ = 0;
  69 }
  70 IMPLEMENT_STATIC_NAME(Text_register);
  71 ADD_THIS_REGISTER(Text_register);