2 key-reg.cc -- implement Key_register
4 source file of the LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
11 #include "time-description.hh"
13 #include "key-item.hh"
14 #include "command-request.hh"
15 #include "staff-column.hh"
16 #include "local-key-reg.hh"
17 #include "musical-request.hh"
19 Key_register::Key_register()
21 post_move_processing();
25 Key_register::try_request(Request * req_l)
27 Command_req* creq_l= req_l->command();
28 if (!creq_l|| !creq_l->keychange())
31 assert(!keyreq_l_); // todo
32 keyreq_l_ = creq_l->keychange();
38 Key_register::acknowledge_element(Staff_elem_info info)
40 Command_req * r_l = info.req_l_->command() ;
41 if (r_l && r_l->clefchange() && !kit_p_) {
42 int c0_i= *get_staff_info().c0_position_i_;
43 kit_p_ = new Key_item(c0_i);
45 announce_element(Staff_elem_info(kit_p_, keyreq_l_));
50 Key_register::process_requests()
52 Time_description const *time_l = get_staff_info().time_C_;
55 (!time_l->whole_in_measure_|| !time_l->when_)) {
56 default_key_b_ = true;
59 if ( default_key_b_ || keyreq_l_) {
60 int c0_i= *get_staff_info().c0_position_i_;
61 kit_p_ = new Key_item(c0_i);
63 announce_element(Staff_elem_info(kit_p_, keyreq_l_));
68 Key_register::pre_move_processing()
72 typeset_breakable_item(0,0,kit_p_);
74 typeset_breakable_item(
75 new Key_item(*kit_p_), kit_p_, new Key_item(*kit_p_));
83 Key_register::read_req(Key_change_req * r)
85 accidental_idx_arr_.set_size(0);
86 for (int i = 0; i < r->melodic_p_arr_.size(); i ++) {
87 int n_i=r->melodic_p_arr_[i]->notename_i_;
88 key_.set(n_i, r->melodic_p_arr_[i]->accidental_i_);
89 accidental_idx_arr_.push(n_i);
94 Key_register::post_move_processing()
97 default_key_b_ = false;