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"
17 #include "engraver-group.hh"
20 Local_key_engraver::Local_key_engraver()
27 Local_key_engraver::do_creation_processing ()
30 daddy_grav_l()->get_simple_translator (Key_engraver::static_name());
34 warning ("Out of tune! Can't find key engraver");
38 key_C_ = &((Key_engraver*)result->engraver_l ())->key_;
44 Local_key_engraver::process_acknowledged ()
46 if (!key_item_p_ && mel_l_arr_.size())
48 for (int i=0; i < mel_l_arr_.size(); i++)
50 Item * support_l = support_l_arr_[i];
51 Note_req * note_l = mel_l_arr_[i];
53 if (tied_l_arr_.find_l (support_l) &&
57 if (!note_l->forceacc_b_ &&
58 local_key_.oct (note_l->octave_i_).acc (note_l->notename_i_)
59 == note_l->accidental_i_)
65 Staff_info inf = get_staff_info();
66 if (inf.c0_position_i_l_)
67 c0_i = *get_staff_info().c0_position_i_l_;
69 key_item_p_ = new Local_key_item (c0_i);
70 announce_element (Score_elem_info (key_item_p_, 0));
72 key_item_p_->add (note_l);
73 key_item_p_->add_support (support_l);
74 local_key_.oct (note_l->octave_i_)
75 .set (note_l->notename_i_, note_l->accidental_i_);
82 Local_key_engraver::do_pre_move_processing()
86 for (int i=0; i < support_l_arr_.size(); i++)
87 key_item_p_->add_support (support_l_arr_[i]);
89 typeset_element (key_item_p_);
95 support_l_arr_.clear();
96 forced_l_arr_.clear();
100 Local_key_engraver::acknowledge_element (Score_elem_info info)
102 Score_elem * elem_l = info.elem_l_;
103 if (info.req_l_->musical() && info.req_l_->musical ()->note ())
105 Note_req * note_l = info.req_l_->musical()->note ();
106 Item * item_l = info.elem_l_->item();
108 mel_l_arr_.push (note_l);
109 support_l_arr_.push (item_l);
111 else if (info.req_l_->command()
112 && info.req_l_->command()->keychange () && key_C_)
114 local_key_ = *key_C_;
116 else if (elem_l->is_type_b (Tie::static_name ()))
118 Tie * tie_l = (Tie*)elem_l->spanner();
119 if (tie_l->same_pitch_b_)
120 tied_l_arr_.push (tie_l-> head_l_drul_[RIGHT]);
125 Local_key_engraver::do_process_requests()
127 Time_description const * time_C_ = get_staff_info().time_C_;
128 if (time_C_ && !time_C_->whole_in_measure_)
136 IMPLEMENT_IS_TYPE_B1(Local_key_engraver,Engraver);
137 ADD_THIS_TRANSLATOR(Local_key_engraver);