lily/bar-reg.cc

   1 /*
   2   bar-reg.cc -- implement Bar_register
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8
   9 #include "bar-reg.hh"
  10 #include "bar.hh"
  11 #include "command-request.hh"
  12 #include "time-description.hh"
  13
  14 Bar_register::Bar_register()
  15 {
  16     do_post_move_processing();
  17 }
  18
  19 bool
  20 Bar_register::do_try_request(Request*r_l)
  21 {
  22     Command_req* c_l = r_l->command();
  23     if (!c_l|| !c_l->bar())
  24         return false;
  25     Bar_req  * b= c_l->bar();
  26     if (bar_req_l_ && bar_req_l_->compare(*b))
  27         return false;
  28
  29     bar_req_l_ = b;
  30
  31     return true;
  32 }
  33
  34 void
  35 Bar_register::do_process_requests()
  36 {
  37     if (bar_req_l_ ) {
  38         bar_p_ = new Bar;
  39         bar_p_->type_str_=bar_req_l_->type_str_;
  40     } else if (!get_staff_info().time_C_->whole_in_measure_) {
  41         bar_p_ = new Bar;
  42     }
  43
  44     if (bar_p_){
  45         announce_element(Score_elem_info(bar_p_, bar_req_l_) );
  46     }
  47 }
  48
  49
  50 void
  51 Bar_register::do_pre_move_processing()
  52 {
  53       if (bar_p_) {
  54           typeset_breakable_item(bar_p_);
  55           bar_p_ =0;
  56       }
  57 }
  58
  59 void
  60 Bar_register::do_post_move_processing()
  61 {
  62     bar_req_l_ = 0;
  63     bar_p_ =0;
  64 }
  65
  66 IMPLEMENT_STATIC_NAME(Bar_register);
  67 IMPLEMENT_IS_TYPE_B1(Bar_register,Request_register);
  68 ADD_THIS_REGISTER(Bar_register);
  69
  70