2 local-key-item.cc -- implement Local_key_item, Pitch
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 #include "local-key-item.hh"
10 #include "staff-symbol-referencer.hh"
11 #include "font-interface.hh"
12 #include "paper-def.hh"
13 #include "musical-request.hh"
14 #include "rhythmic-head.hh"
21 pitch_less (SCM p1, SCM p2)
23 return Pitch::less_p (ly_car (p1), ly_car (p2));
26 static SCM pitch_less_proc;
31 pitch_less_proc = gh_new_procedure2_0 ("pitch-less", &pitch_less);
34 ADD_SCM_INIT_FUNC (lkpitch,init_pitch_funcs);
38 Local_key_item::add_pitch (Grob*me, Pitch p, bool cautionary, bool natural,
39 Grob* tie_break_reminder)
41 SCM acs = me->get_grob_property ("accidentals");
42 SCM pitch = p.smobbed_copy ();
43 SCM opts = scm_assoc (pitch, acs);
44 bool new_pitch = !gh_pair_p (opts);
45 opts= new_pitch ? SCM_EOL : gh_cdr (opts);
48 opts = gh_cons (ly_symbol2scm ("cautionary"), opts);
50 opts = gh_cons (ly_symbol2scm ("natural"), opts);
51 if (tie_break_reminder)
53 /* Ugh, these 'options' can't have a value, faking... */
54 opts = gh_cons (tie_break_reminder->self_scm (), opts);
55 opts = gh_cons (ly_symbol2scm ("tie-break-reminder"), opts);
60 pitch = gh_cons (pitch, opts);
61 acs = scm_merge_x (acs, gh_cons (pitch, SCM_EOL), pitch_less_proc);
64 scm_assoc_set_x (acs, pitch, opts);
66 me->set_grob_property ("accidentals", acs);
70 Local_key_item::parenthesize (Grob*me, Molecule m)
72 Molecule open = Font_interface::get_default_font (me)->find_by_name (String ("accidentals-("));
73 Molecule close = Font_interface::get_default_font (me)->find_by_name (String ("accidentals-)"));
74 m.add_at_edge (X_AXIS, LEFT, Molecule (open), 0);
75 m.add_at_edge (X_AXIS, RIGHT, Molecule (close), 0);
80 /* HW says: maybe move to tie.cc
82 Note, tie should not kill all accidentals when broken, only the ones
83 that are indicated by a property tie-break-reminder, I guess
85 Find if any of the accidentals were created because they're at the rhs of a
86 tie. If that's the reason they exist, and the tie was NOT broken,
87 put the accidental up for deletion. Clear molecule cache. */
88 MAKE_SCHEME_CALLBACK (Local_key_item, after_line_breaking, 1);
90 Local_key_item::after_line_breaking (SCM smob)
92 Grob *me = unsmob_grob (smob);
94 SCM accs = me->get_grob_property ("accidentals");
96 gh_pair_p (s); s = ly_cdr (s))
98 SCM opts = ly_cdar (s);
100 SCM t = scm_memq (ly_symbol2scm ("tie-break-reminder"), opts);
103 Grob *tie = unsmob_grob (ly_cadr (t));
104 Spanner *sp = dynamic_cast<Spanner*> (tie);
105 if (!sp->original_l_)
107 /* there should be a better way to delete part of me */
108 scm_set_car_x (s, scm_list_n (ly_caar (s),
109 ly_symbol2scm ("deleted"),
111 me->set_grob_property ("molecule", SCM_EOL);
116 return SCM_UNSPECIFIED;
120 UGH. clean me, revise placement routine (See Ross & Wanske;
121 accidental placement is more complicated than this.
124 MAKE_SCHEME_CALLBACK (Local_key_item,brew_molecule,1);
126 Local_key_item::brew_molecule (SCM smob)
128 Grob* me = unsmob_grob (smob);
132 Real note_distance = Staff_symbol_referencer::staff_space (me)/2;
137 SCM scm_style = me->get_grob_property ("style");
139 if (gh_symbol_p (scm_style))
141 style = ly_scm2string (scm_symbol_to_string (scm_style));
146 preferably no name for the default style.
151 SCM accs = me->get_grob_property ("accidentals");
153 gh_pair_p (s); s = ly_cdr (s))
155 Pitch p (*unsmob_pitch (ly_caar (s)));
156 SCM opts = ly_cdar (s);
158 if (scm_memq (ly_symbol2scm ("deleted"), opts) != SCM_BOOL_F)
162 if (p.octave_i () != lastoct)
166 Real dy =lastoct*7* note_distance;
167 octave_mol.translate_axis (dy, Y_AXIS);
168 mol.add_molecule (octave_mol);
169 octave_mol = Molecule ();
175 lastoct = p.octave_i () ;
177 bool cautionary = (scm_memq (ly_symbol2scm ("cautionary"), opts) != SCM_BOOL_F);
178 SCM font_rel_siz = me->get_grob_property("font-relative-size");
179 SCM caut_siz = me->get_grob_property("cautionary-size");
180 int frs = (gh_exact_p(font_rel_siz) ? gh_scm2int(font_rel_siz) : 0);
181 int cs = (gh_exact_p(caut_siz) ? gh_scm2int(caut_siz) : 0);
184 // Ugh. This will only work if only called once on each grob. --rz
185 if (cautionary && caut_siz!=0)
186 me->set_grob_property ("font-relative-size",gh_int2scm(frs+cs));
188 SCM c0 = me->get_grob_property ("c0-position");
189 Real dy = (gh_number_p (c0) ? gh_scm2int (c0) : 0 + p.notename_i_)
192 Molecule acc (Font_interface::get_default_font (me)->
193 find_by_name (String ("accidentals-") +
195 to_str (p.alteration_i_)));
197 if (scm_memq (ly_symbol2scm ("natural"), opts) != SCM_BOOL_F)
199 Molecule prefix = Font_interface::get_default_font (me)->
200 find_by_name (String ("accidentals-") + style + String ("0"));
201 acc.add_at_edge (X_AXIS, LEFT, Molecule (prefix), 0);
204 if (cautionary && to_boolean(me->get_grob_property("paren-cautionaries")))
205 acc = parenthesize (me, acc);
207 acc.translate_axis (dy, Y_AXIS);
208 octave_mol.add_at_edge (X_AXIS, RIGHT, acc, 0);
213 Real dy =lastoct*7*note_distance;
214 octave_mol.translate_axis (dy, Y_AXIS);
215 mol.add_molecule (octave_mol);
216 octave_mol = Molecule ();
219 if (gh_pair_p (accs))
221 Drul_array<SCM> pads;
226 pads[RIGHT] = me->get_grob_property ("right-padding");
227 pads[LEFT] = me->get_grob_property ("left-padding");
233 if (!gh_number_p (pads[d]))
236 Box b (Interval (0, gh_scm2double (pads[d]) * note_distance),
238 Molecule m (Lookup::blank (b));
239 mol.add_at_edge (X_AXIS, d, m, 0);
240 } while (flip (&d)!= LEFT);
243 return mol.smobbed_copy ();
247 Local_key_item::has_interface (Grob*m)
249 return m && m->has_interface (ly_symbol2scm ("accidentals-interface"));
252 Local_key_item::set_interface (Grob*m)
254 m->set_interface (ly_symbol2scm ("accidentals-interface"));