2 bar-reg.cc -- implement Bar_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
11 #include "musical-request.hh"
12 #include "multi-measure-rest.hh"
13 #include "command-request.hh"
14 #include "time-description.hh"
15 #include "engraver-group.hh"
17 Bar_engraver::Bar_engraver()
20 do_post_move_processing();
24 Bar_engraver::do_try_request (Request*r_l)
26 Command_req* c_l = r_l->command();
27 if (!c_l|| !c_l->bar())
29 Bar_req * b= c_l->bar();
30 if (bar_req_l_ && bar_req_l_->equal_b (b))
39 Bar_engraver::create_bar ()
44 bar_p_->break_priority_i_ = 0;
45 announce_element (Score_elem_info (bar_p_, bar_req_l_));
50 Bar_engraver::acknowledge_element (Score_elem_info i)
52 if (!bar_p_ || !i.elem_l_->is_type_b (Multi_measure_rest::static_name ()))
56 if (!bar_p_ || !i.req_l_ || !i.req_l_->musical ()
57 || !i.req_l_->musical ()->multi_measure ())
60 // would this be enough?
69 Bar_engraver::do_creation_processing ()
72 bar_p_->type_str_ = "";
76 Bar_engraver::do_removal_processing ()
80 typeset_element (bar_p_);
86 Bar_engraver::do_process_requests()
93 bar_p_->type_str_ = bar_req_l_->type_str_;
97 Time_description const *time = get_staff_info().time_C_;
98 if (time && !time->whole_in_measure_)
104 Disallow_break_req r;
105 daddy_grav_l()->try_request (&r);
111 Bar_engraver::do_pre_move_processing()
115 typeset_element (bar_p_);
121 Bar_engraver::do_post_move_processing()
127 IMPLEMENT_IS_TYPE_B1(Bar_engraver,Engraver);
128 ADD_THIS_TRANSLATOR(Bar_engraver);