2 bar-reg.cc -- implement Bar_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "bar-engraver.hh"
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 = dynamic_cast <Command_req *> (r_l);
27 if (!c_l|| !dynamic_cast <Bar_req *> (c_l))
29 Bar_req * b= dynamic_cast <Bar_req *> (c_l);
30 if (bar_req_l_ && bar_req_l_->equal_b (b))
39 Bar_engraver::create_bar ()
44 bar_p_->break_priority_i_ = 0;
45 String default_type = get_property ("defaultBarType");
46 if (default_type.length_i ())
48 bar_p_->type_str_ = default_type;
50 announce_element (Score_element_info (bar_p_, bar_req_l_));
56 Bar_engraver::do_creation_processing ()
59 bar_p_->type_str_ = "";
63 Bar_engraver::do_removal_processing ()
67 typeset_element (bar_p_);
73 Bar_engraver::do_process_requests()
80 bar_p_->type_str_ = bar_req_l_->type_str_;
84 Time_description const *time = get_staff_info().time_C_;
85 String always = get_property ("barAlways");
86 if ((time && !time->whole_in_measure_) || always.length_i ())
95 r.penalty_i_ = Break_req::DISALLOW;
96 daddy_grav_l ()->try_request (&r);
102 Bar_engraver::do_pre_move_processing()
106 typeset_element (bar_p_);
112 Bar_engraver::do_post_move_processing()
118 IMPLEMENT_IS_TYPE_B1(Bar_engraver,Engraver);
119 ADD_THIS_TRANSLATOR(Bar_engraver);