2 local-key-reg.cc -- implement Local_key_engraver
4 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 #include "musical-request.hh"
8 #include "command-request.hh"
9 #include "local-key-engraver.hh"
10 #include "local-key-item.hh"
11 #include "key-engraver.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 ()
32 Breaks if Key_engraver is removed from under us.
35 daddy_grav_l()->get_simple_translator ("Key_engraver");
39 warning (_ ("out of tune") + "! " + _ ("can't find") + " Key_engraver");
43 key_C_ = &(dynamic_cast<Key_engraver *> (result))->key_;
49 Local_key_engraver::process_acknowledged ()
51 if (!key_item_p_ && mel_l_arr_.size())
53 bool forget = get_property ("forgetAccidentals",0).to_bool();
54 for (int i=0; i < mel_l_arr_.size(); i++)
56 Item * support_l = support_l_arr_[i];
57 Note_req * note_l = mel_l_arr_[i];
59 if (tied_l_arr_.find_l (support_l) &&
63 if (!note_l->forceacc_b_
64 && local_key_.different_acc (note_l->pitch_))
68 key_item_p_ = new Local_key_item;
69 announce_element (Score_element_info (key_item_p_, 0));
73 key_item_p_->add_pitch (note_l->pitch_,
74 note_l->cautionary_b_);
75 key_item_p_->add_support (support_l);
78 local_key_.set (note_l->pitch_);
84 Local_key_engraver::do_pre_move_processing()
88 for (int i=0; i < support_l_arr_.size(); i++)
89 key_item_p_->add_support (support_l_arr_[i]);
91 typeset_element (key_item_p_);
97 support_l_arr_.clear();
98 forced_l_arr_.clear();
102 Local_key_engraver::acknowledge_element (Score_element_info info)
104 Note_req * note_l = dynamic_cast <Note_req *> (info.req_l_);
105 Note_head * note_head = dynamic_cast<Note_head *> (info.elem_l_);
107 if (note_l && note_head)
109 mel_l_arr_.push (note_l);
110 support_l_arr_.push (note_head);
112 else if (dynamic_cast <Key_change_req*> (info.req_l_))
114 local_key_ = *key_C_;
116 else if (Tie * tie_l = dynamic_cast<Tie *> (info.elem_l_))
118 tied_l_arr_.push (tie_l-> head_l_drul_[RIGHT]);
123 Local_key_engraver::do_process_requests()
125 Time_description const * time_C_ = get_staff_info().time_C_;
126 if (time_C_ && !time_C_->whole_in_measure_)
128 bool no_res = get_property ("noResetKey",0).to_bool ();
129 if (!no_res && key_C_)
136 ADD_THIS_TRANSLATOR(Local_key_engraver);