2 key-reg.cc -- implement Key_register
4 source file of the LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
9 Todo: key undo, special keys.
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"
18 #include "local-key-item.hh"
20 #include "time-description.hh"
22 Key_register::Key_register()
24 post_move_processing();
28 Key_register::try_request(Request * req_l)
30 Command_req* creq_l= req_l->command();
31 if (!creq_l|| !creq_l->keychange())
34 assert(!keyreq_l_); // todo
35 keyreq_l_ = creq_l->keychange();
42 Key_register::acknowledge_element(Staff_elem_info info)
44 Command_req * r_l = info.req_l_->command() ;
45 if (r_l && r_l->clefchange()) {
49 if (info.elem_l_->name() == Bar::static_name())
50 default_key_b_ = true;
55 Key_register::process_requests()
57 int c0_i= *get_staff_info().c0_position_i_l_;
59 if (key_.multi_octave_b_)
60 assert(false); // TODO .
62 kit_p_ = new Key_item(c0_i);
64 announce_element(Staff_elem_info(kit_p_, keyreq_l_));
68 Key_register::pre_move_processing()
70 Time_description const * time_C_ = get_staff_info().time_C_;
71 if ( time_C_->whole_in_measure_&& default_key_b_ && ! change_key_b_ ) {
78 typeset_breakable_item(
79 new Key_item(*kit_p_), kit_p_, new Key_item(*kit_p_));
81 typeset_breakable_item(0,0,kit_p_);
89 Key_register::read_req(Key_change_req * r)
91 key_.multi_octave_b_ = r->multi_octave_b_;
92 accidental_idx_arr_.set_size(0);
93 for (int i = 0; i < r->melodic_p_arr_.size(); i ++) {
94 Melodic_req * m_l =r->melodic_p_arr_[i];
95 int n_i =m_l->notename_i_;
96 int a_i = m_l->accidental_i_;
97 int o_i = m_l->octave_i_;
98 if (r->multi_octave_b_)
99 key_.set(o_i, n_i, a_i);
102 accidental_idx_arr_.push(n_i);
107 Key_register::post_move_processing()
110 default_key_b_ = false;
112 change_key_b_ = false;
114 IMPLEMENT_STATIC_NAME(Key_register);
115 ADD_THIS_REGISTER(Key_register);