2 local-key-reg.cc -- implement Local_key_engraver
4 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
7 #include "musical-request.hh"
8 #include "command-request.hh"
9 #include "local-key-grav.hh"
10 #include "local-key-item.hh"
11 #include "key-grav.hh"
13 #include "key-item.hh"
15 #include "note-head.hh"
16 #include "time-description.hh"
18 Local_key_engraver::Local_key_engraver()
24 Local_key_engraver::do_pre_move_processing()
26 Local_key_item *key_item_p = 0;
27 if (mel_l_arr_.size()) {
28 for (int i=0; i < mel_l_arr_.size(); i++) {
29 Item * support_l = support_l_arr_[i];
30 Note_req * note_l = mel_l_arr_[i];
32 if (tied_l_arr_.find_l(support_l) &&
36 if( !note_l->forceacc_b_ &&
37 local_key_.oct(note_l->octave_i_).acc(note_l->notename_i_)
38 == note_l->accidental_i_)
44 key_item_p = new Local_key_item(*get_staff_info().c0_position_i_l_);
45 key_item_p->add(note_l);
46 key_item_p->add_support(support_l);
47 local_key_.oct(note_l->octave_i_)
48 .set(note_l->notename_i_, note_l->accidental_i_);
53 for(int i=0; i < support_l_arr_.size(); i++)
54 key_item_p->add_support(support_l_arr_[i]);
56 announce_element(Score_elem_info(key_item_p, 0)); // ugh ugh ugh
57 typeset_element(key_item_p);
60 mel_l_arr_.set_size(0);
61 tied_l_arr_.set_size(0);
62 support_l_arr_.set_size(0);
63 forced_l_arr_.set_size(0);
67 Local_key_engraver::acknowledge_element(Score_elem_info info)
69 Score_elem * elem_l = info.elem_l_;
70 if (info.req_l_->musical() && info.req_l_->musical()->note()) {
71 Note_req * note_l = info.req_l_->musical()->note();
72 Item * item_l = info.elem_l_->item();
74 mel_l_arr_.push(note_l );
75 support_l_arr_.push(item_l);
77 } else if (info.req_l_->command()
78 && info.req_l_->command()->keychange()) {
79 Key_engraver * key_grav_l =
80 (Key_engraver*)info.origin_grav_l_arr_[0];
81 key_C_ = &key_grav_l->key_;
83 } else if (elem_l->name() == Key_item::static_name()) {
84 Key_engraver * key_grav_l =
85 (Key_engraver*)info.origin_grav_l_arr_[0];
86 key_C_ = &key_grav_l->key_;
87 } else if (elem_l->name() == Tie::static_name()) {
88 Tie * tie_l = (Tie*)elem_l->spanner();
89 if (tie_l->same_pitch_b_)
90 tied_l_arr_.push(tie_l-> right_head_l_ );
95 Local_key_engraver::do_process_requests()
97 Time_description const * time_C_ = get_staff_info().time_C_;
98 if (! time_C_->whole_in_measure_){
101 else if(0&& time_C_->when_ >Moment(0))
102 warning ("Help me! can't figure out current key");
106 IMPLEMENT_STATIC_NAME(Local_key_engraver);
107 IMPLEMENT_IS_TYPE_B1(Local_key_engraver,Engraver);
108 ADD_THIS_ENGRAVER(Local_key_engraver);