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/*
staff-sym-reg.cc -- implement Staff_sym_register
source file of the LilyPond music typesetter
(c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
*/
#include "staff-sym-reg.hh"
#include "staff-sym.hh"
#include "score.hh"
#include "p-col.hh"
const NO_LINES = 5;
Staff_sym_register::Staff_sym_register()
{
span_p_ = 0;
last_mom_ =0;
}
void
Staff_sym_register::post_move_processing()
{
if (!span_p_ && !last_mom_) {
span_p_= new Staff_symbol(NO_LINES);
span_p_->left_col_l_ =
get_staff_info().command_pcol_l()->postbreak_p_; // GUH
}
if (!last_mom_) {
last_mom_ = get_staff_info().score_l()->last();
}
}
void
Staff_sym_register::pre_move_processing()
{
Staff_info i=get_staff_info();
if ( span_p_ && i.when() == last_mom_) {
span_p_->right_col_l_ = i.command_pcol_l()->prebreak_p_;
typeset_element(span_p_);
span_p_ =0;
}
}
IMPLEMENT_STATIC_NAME(Staff_sym_register);
ADD_THIS_REGISTER(Staff_sym_register);
Staff_sym_register::~Staff_sym_register()
{
assert(!span_p_);
delete span_p_;
}
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