2 key-reg.cc -- implement Key_register
4 source file of the LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
12 #include "key-item.hh"
13 #include "command-request.hh"
14 #include "staff-column.hh"
15 #include "local-key-reg.hh"
16 #include "musical-request.hh"
17 #include "local-key-item.hh"
19 #include "time-description.hh"
21 Key_register::Key_register()
23 post_move_processing();
27 Key_register::try_request(Request * req_l)
29 Command_req* creq_l= req_l->command();
30 if (!creq_l|| !creq_l->keychange())
33 assert(!keyreq_l_); // todo
34 keyreq_l_ = creq_l->keychange();
41 Key_register::acknowledge_element(Staff_elem_info info)
43 Command_req * r_l = info.req_l_->command() ;
44 if (r_l && r_l->clefchange()) {
48 if (info.elem_l_->name() == Bar::static_name())
49 default_key_b_ = true;
54 Key_register::process_requests()
56 int c0_i= *get_staff_info().c0_position_i_l_;
58 if (key_.multi_octave_b_)
59 assert(false); // TODO .
61 kit_p_ = new Key_item(c0_i);
63 announce_element(Staff_elem_info(kit_p_, keyreq_l_));
67 Key_register::pre_move_processing()
69 Time_description const * time_C_ = get_staff_info().time_C_;
70 if ( time_C_->whole_in_measure_&& default_key_b_ && ! change_key_b_ ) {
77 typeset_breakable_item(
78 new Key_item(*kit_p_), kit_p_, new Key_item(*kit_p_));
80 typeset_breakable_item(0,0,kit_p_);
88 Key_register::read_req(Key_change_req * r)
90 key_.multi_octave_b_ = r->multi_octave_b_;
91 accidental_idx_arr_.set_size(0);
92 for (int i = 0; i < r->melodic_p_arr_.size(); i ++) {
93 Melodic_req * m_l =r->melodic_p_arr_[i];
94 int n_i =m_l->notename_i_;
95 int a_i = m_l->accidental_i_;
96 int o_i = m_l->octave_i_;
97 if (r->multi_octave_b_)
98 key_.set(o_i, n_i, a_i);
101 accidental_idx_arr_.push(n_i);
106 Key_register::post_move_processing()
109 default_key_b_ = false;
111 change_key_b_ = false;
113 IMPLEMENT_STATIC_NAME(Key_register);
114 ADD_THIS_REGISTER(Key_register);