2 key-reg.cc -- implement Key_register
4 source file of the GNU 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 "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 do_post_move_processing();
27 Key_register::do_try_request(Request * req_l)
29 Command_req* creq_l= req_l->command();
30 if (!creq_l|| !creq_l->keychange())
35 keyreq_l_ = creq_l->keychange();
42 Key_register::acknowledge_element(Score_elem_info info)
44 int c0_i= *get_staff_info().c0_position_i_l_;
45 Command_req * r_l = info.req_l_->command() ;
46 if (r_l && r_l->clefchange()) {
49 kit_p_ = new Key_item(c0_i);
50 announce_element(Score_elem_info(kit_p_,0));
55 if (info.elem_l_->name() == Bar::static_name()) {
56 default_key_b_ = true;
58 kit_p_ = new Key_item(c0_i);
59 announce_element(Score_elem_info(kit_p_,0));
66 Key_register::do_process_requests()
68 int c0_i= *get_staff_info().c0_position_i_l_;
70 if (key_.multi_octave_b_)
71 assert(false); // TODO .
73 kit_p_ = new Key_item(c0_i);
75 announce_element(Score_elem_info(kit_p_, keyreq_l_));
80 Key_register::do_pre_move_processing()
83 typeset_breakable_item( kit_p_);
91 Key_register::read_req(Key_change_req * r)
93 key_.multi_octave_b_ = r->multi_octave_b_;
94 accidental_idx_arr_.set_size(0);
95 for (int i = 0; i < r->melodic_p_arr_.size(); i ++) {
96 Melodic_req * m_l =r->melodic_p_arr_[i];
97 int n_i =m_l->notename_i_;
98 int a_i = m_l->accidental_i_;
99 int o_i = m_l->octave_i_;
100 if (r->multi_octave_b_)
101 key_.set(o_i, n_i, a_i);
104 accidental_idx_arr_.push(n_i);
109 Key_register::do_post_move_processing()
112 default_key_b_ = false;
114 change_key_b_ = false;
116 IMPLEMENT_STATIC_NAME(Key_register);
117 IMPLEMENT_IS_TYPE_B1(Key_register,Request_register);
118 ADD_THIS_REGISTER(Key_register);