2 key-engraver.cc -- implement Key_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "key-engraver.hh"
10 #include "key-item.hh"
11 #include "command-request.hh"
12 #include "local-key-engraver.hh"
13 #include "musical-request.hh"
14 #include "local-key-item.hh"
16 #include "timing-translator.hh"
17 #include "staff-symbol-referencer.hh"
19 Key_engraver::Key_engraver ()
22 do_post_move_processing ();
26 Key_engraver::key_changed_b () const
32 Key_engraver::create_key (bool def)
36 item_p_ = new Key_item;
37 item_p_->property_alist_ = get_property ("basicKeyProperties");
40 item_p_->set_elt_property ("c0-position", gh_int2scm (0));
41 item_p_->set_elt_property ("old-accidentals", SCM_EOL);
42 item_p_->set_elt_property ("new-accidentals", SCM_EOL);
44 Staff_symbol_referencer_interface st (item_p_);
47 if (key_.multi_octave_b_)
48 item_p_->set_elt_property ("multi-octave", gh_bool2scm (key_.multi_octave_b_));
50 announce_element (Score_element_info (item_p_,keyreq_l_));
53 for (int i = 0; i < accidental_idx_arr_.size(); i++)
55 Musical_pitch m_l =accidental_idx_arr_[i];
56 int a =m_l.accidental_i_;
57 if (key_.multi_octave_b_)
58 item_p_->add (m_l.steps (), a);
60 item_p_->add (m_l.notename_i_, a);
63 for (int i = 0 ; i < old_accidental_idx_arr_.size(); i++)
65 Musical_pitch m_l =old_accidental_idx_arr_[i];
66 int a =m_l.accidental_i_;
67 if (key_.multi_octave_b_)
68 item_p_->add_old (m_l.steps (), a);
70 item_p_->add_old (m_l.notename_i_, a);
76 item_p_->set_elt_property ("visibility-lambda",
77 scm_eval (ly_symbol2scm ("all-visible")));
83 Key_engraver::do_try_music (Music * req_l)
85 if (Key_change_req *kc = dynamic_cast <Key_change_req *> (req_l))
88 warning (_ ("FIXME: key change merge"));
97 Key_engraver::acknowledge_element (Score_element_info info)
99 if (dynamic_cast <Clef_change_req *> (info.req_l_))
101 SCM c = get_property ("createKeyOnClefChange");
108 else if (dynamic_cast<Bar *> (info.elem_l_)
109 && accidental_idx_arr_.size ())
117 Key_engraver::do_process_music ()
126 Key_engraver::do_pre_move_processing ()
130 typeset_element (item_p_);
137 TODO. Use properties; and this is too hairy.
140 Key_engraver::read_req (Key_change_req const * r)
145 old_accidental_idx_arr_ = accidental_idx_arr_;
147 SCM prop = get_property ("keyOctaviation");
149 key_.multi_octave_b_ = to_boolean (prop);
151 accidental_idx_arr_.clear ();
153 if (r->key_->ordinary_key_b_)
155 int no_of_acc = r->key_->ordinary_accidentals_i ();
157 // Hmm, can't these be handled/constructed by Key_change_req?
160 int accidental = 6 ; // First accidental: bes
161 for ( ; no_of_acc < 0 ; no_of_acc++ )
164 m.accidental_i_ = -1;
165 m.notename_i_ = accidental;
166 if (key_.multi_octave_b_)
169 key_.set (m.notename_i_, m.accidental_i_);
170 accidental_idx_arr_.push (m);
172 accidental = (accidental + 3) % 7 ;
177 int accidental = 3 ; // First accidental: fis
178 for ( ; no_of_acc > 0 ; no_of_acc-- )
182 m.notename_i_ = accidental;
183 if (key_.multi_octave_b_)
186 key_.set (m.notename_i_, m.accidental_i_);
187 accidental_idx_arr_.push (m);
189 accidental = (accidental + 4) % 7 ;
195 for (int i = 0; i < r->key_->pitch_arr_.size (); i ++)
197 Musical_pitch m_l =r->key_->pitch_arr_[i];
198 if (key_.multi_octave_b_)
201 key_.set (m_l.notename_i_, m_l.accidental_i_);
203 accidental_idx_arr_.push (m_l);
209 Key_engraver::do_post_move_processing ()
212 old_accidental_idx_arr_.clear ();
215 ADD_THIS_TRANSLATOR (Key_engraver);