1 ;;;; grob-description.scm -- part of generated backend documentation
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--20.301 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ; distances are given in stafflinethickness (thicknesses) and
9 ; staffspace (distances)
11 ;;; WARNING: the meta field should be the last one.
13 ;; TODO: junk the meta field in favor of something more compact?
14 (define all-grob-descriptions
18 (molecule-callback . ,Local_key_item::brew_molecule)
19 (X-offset-callbacks . (,Side_position_interface::aligned_side))
20 (after-line-breaking-callback . ,Local_key_item::after_line_breaking)
24 (paren-cautionaries . #t)
26 (meta . ,(grob-description accidentals-interface font-interface side-position-interface))
31 (X-extent-callback . ,Arpeggio::width_callback)
32 (Y-extent-callback . #f)
33 (molecule-callback . ,Arpeggio::brew_molecule)
34 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
35 (X-offset-callbacks . (,Side_position_interface::aligned_side))
37 (staff-position . 0.0)
38 (meta . ,(grob-description arpeggio-interface side-position-interface font-interface))
43 (break-align-symbol . staff-bar)
45 (break-glyph-function . ,default-break-barline)
46 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
47 (molecule-callback . ,Bar_line::brew_molecule)
48 (visibility-lambda . ,all-visible)
50 (before-line-breaking-callback . ,Bar_line::before_line_breaking)
52 (time-signature . (extra-space . 0.75))
53 (custos . (minimum-space . 2.0))
54 (clef . (minimum-space . 1.0))
55 (begin-of-note . (extra-space . 1.3))
59 ;; Ross. page 151 lists other values, we opt for a leaner look
63 (hair-thickness . 1.6)
64 (thick-thickness . 6.0)
65 (meta . ,(grob-description bar-line-interface font-interface))
71 (molecule-callback . ,Text_item::brew_molecule)
73 (visibility-lambda . ,begin-of-line-visible)
77 (font-relative-size . -1)
78 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
79 (meta . ,(grob-description
80 side-position-interface
81 text-interface font-interface break-aligned-interface))
86 (molecule-callback . ,brew-bass-figure)
87 (Y-offset-callbacks . (,Side_position_interface::aligned_on_self))
89 (font-family . number)
90 (font-relative-size . -1)
94 (meta . ,(grob-description text-interface font-interface ))
98 ;; todo: clean this up a bit: the list is getting
100 (molecule-callback . ,Beam::brew_molecule)
101 (concaveness-threshold . 0.08)
102 (positions . (#f . #f))
103 (position-callbacks . (,Beam::least_squares
106 ,Beam::quantise_position))
108 (thickness . 0.48) ; in staff-space
109 (before-line-breaking-callback . ,Beam::before_line_breaking)
110 (after-line-breaking-callback . (,Beam::after_line_breaking
111 ,Beam::end_after_line_breaking))
112 (neutral-direction . -1)
113 (dir-function . ,beam-dir-majority)
114 (vertical-position-quant-function . ,default-beam-pos-quants)
115 (beamed-stem-shorten . (1.0 0.5))
116 (outer-stem-length-limit . 0.2)
118 (flag-width-function . ,default-beam-flag-width-function)
119 (space-function . ,default-beam-space-function)
122 (meta . ,(grob-description beam-interface))
130 (meta . ,(grob-description
139 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
141 (meta . ,(grob-description axis-group-interface))
146 (break-align-symbol . breathing-sign)
149 (key-signature . (minimum-space . 1.5))
150 (staff-bar . (minimum-space . 1.5))
151 (clef . (minimum-space . 2.0))
152 (begin-of-note . (minimum-space . 1.0))
154 (molecule-callback . ,Text_item::brew_molecule)
156 (font-family . music)
157 (text . "scripts-rcomma")
158 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
159 (visibility-lambda . ,begin-of-line-invisible)
160 (meta . ,(grob-description break-aligned-interface text-interface font-interface))
165 (molecule-callback . ,Clef::brew_molecule)
166 (before-line-breaking-callback . ,Clef::before_line_breaking)
168 (font-family . music)
169 (break-align-symbol . clef)
170 (visibility-lambda . ,begin-of-line-visible)
172 (staff-bar . (minimum-space . 3.7))
173 (key-signature . (minimum-space . 4.0))
174 (time-signature . (minimum-space . 4.2))
175 (begin-of-note . (minimum-space . 5.0))
177 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
178 (meta . ,(grob-description clef-interface font-interface break-aligned-interface ))
183 (molecule-callback . ,Chord_name::brew_molecule)
184 (after-line-breaking-callback . ,Chord_name::after_line_breaking)
185 (chord-name-function . ,default-chord-name-function)
186 (font-family . roman)
187 (meta . ,(grob-description font-interface text-interface chord-name-interface))
192 (break-align-symbol . custos)
194 (molecule-callback . ,Custos::brew_molecule)
195 (visibility-lambda . ,end-of-line-visible)
197 (neutral-position . 0)
198 (neutral-direction . -1)
199 (adjust-if-on-staffline . #t)
200 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
201 (font-family . music)
203 (begin-of-note . (minimum-space . 0.0))
205 (meta . ,(grob-description custos-interface staff-symbol-referencer-interface break-aligned-interface) )
213 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
215 (X-offset-callbacks . (,Dot_column::side_position))
216 (meta . ,(grob-description dot-column-interface axis-group-interface))
221 (molecule-callback . ,Dots::brew_molecule)
223 (staff-position . 0.0)
224 (Y-offset-callbacks . (,Dots::quantised_position_callback ,Staff_symbol_referencer::callback))
225 (meta . ,(grob-description font-interface dots-interface ))
228 (DoublePercentRepeat .
230 (molecule-callback . ,Percent_repeat_item_interface::double_percent)
233 (font-family . music)
236 (break-align-symbol . staff-bar)
237 (visibility-lambda . ,begin-of-line-invisible)
238 (meta . ,(grob-description font-interface percent-repeat-interface))
243 (Y-offset-callbacks . (,Side_position_interface::aligned_on_self))
244 (molecule-callback . ,Text_item::brew_molecule)
245 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
246 (self-alignment-X . 0)
248 (no-spacing-rods . #t)
249 (script-priority . 100)
251 (font-family . dynamic)
252 (font-shape . italic)
253 (self-alignment-Y . 0)
254 (meta . ,(grob-description font-interface text-interface dynamic-interface))
261 (minimum-space . 1.2)
263 (meta . ,(grob-description dynamic-interface axis-group-interface side-position-interface))
268 (break-align-symbol . left-edge)
269 (X-offset-callbacks . (,Break_align_interface::alignment_callback))
270 (X-extent-callback . ,Grob::point_dimension_callback)
273 (time-signature . (extra-space . 0.0))
274 (staff-bar . (extra-space . 0.0))
275 (breathing-sign . (minimum-space . 0.0))
276 (clef . (extra-space . 1.0))
277 (begin-of-note . (extra-space . 0.0))
278 (key-signature . (extra-space . 0.0))
280 (meta . ,(grob-description break-aligned-interface))
285 (molecule-callback . ,Text_item::brew_molecule)
286 (X-offset-callbacks . (,Side_position_interface::centered_on_parent
287 ,Side_position_interface::aligned_on_self))
290 (self-alignment-X . 0)
291 (self-alignment-Y . 0)
292 (font-family . number)
293 (font-relative-size . -3)
294 (font-shape . upright)
295 (meta . ,(grob-description finger-interface font-interface
296 text-script-interface text-interface side-position-interface))
300 (HaraKiriVerticalGroup
302 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
303 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
305 (meta . ,(grob-description axis-group-interface hara-kiri-group-interface))
310 (molecule-callback . ,Hairpin::brew_molecule)
313 (spacing-procedure . ,Spanner::set_spacing_rods)
314 (minimum-length . 2.0)
315 (if-text-padding . 1.0)
316 (width-correct . -1.0)
318 (dash-thickness . 1.2)
320 (self-alignment-Y . 0)
321 (Y-offset-callbacks . (,Side_position_interface::aligned_on_self))
322 (meta . ,(grob-description hairpin-interface dynamic-interface))
328 (Y-offset-callbacks . (,Side_position_interface::aligned_on_self
329 ,Side_position_interface::aligned_on_support_refpoints))
330 ;; huh? what's this for?
333 (left-edge . (extra-space . 1.0))
336 (self-alignment-Y . 0)
337 (molecule-callback . ,Text_item::brew_molecule)
338 (break-align-symbol . instrument-name)
339 (visibility-lambda . ,begin-of-line-visible)
341 (font-family . roman)
342 (meta . ,(grob-description font-interface text-interface break-aligned-interface))
347 (molecule-callback . ,Key_signature_interface::brew_molecule)
349 (time-signature . (extra-space . 1.25))
350 (staff-bar . (extra-space . 1.1))
351 (begin-of-note . (extra-space . 2.5))
353 (break-align-symbol . key-signature)
354 (visibility-lambda . ,begin-of-line-visible)
356 (meta . ,(grob-description key-signature-interface font-interface break-aligned-interface))
364 (minimum-length . 0.5)
365 (maximum-length . 100)
366 (molecule-callback . ,Hyphen_spanner::brew_molecule)
367 (Y-extent-callback . ,Grob::point_dimension_callback)
368 (meta . ,(grob-description lyric-hyphen-interface ))
374 (meta . ,(grob-description line-of-score-interface axis-group-interface))
379 (molecule-callback . ,Lyric_extender::brew_molecule)
380 (height . 0.8) ; stafflinethickness;
381 (right-trim-amount . 0.5)
382 (Y-extent-callback . ,Grob::point_dimension_callback)
383 (meta . ,(grob-description lyric-extender-interface))
388 (molecule-callback . ,Text_item::brew_molecule)
389 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
390 (self-alignment-X . 0)
393 (ignore-length-mismatch . #f)
394 (begin-alignment . 4)
396 (font-family . roman)
397 (font-shape . upright)
398 (meta . ,(grob-description lyric-syllable-interface text-interface font-interface ))
404 (auto-properties . #f)
406 (porrectus-width . 2.4)
407 (line-thickness . 1.0)
410 (molecule-callback . ,Porrectus::brew_molecule)
411 (meta . ,(grob-description porrectus-interface))
416 (molecule-callback . ,Text_item::brew_molecule)
417 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
418 (self-alignment-X . 0)
422 (font-family . roman)
423 (font-shape . upright)
424 (font-relative-size . 1)
425 (visibility-lambda . ,end-of-line-invisible)
427 (meta . ,(grob-description mark-interface side-position-interface))
432 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
433 (molecule-callback . ,Multi_measure_rest::brew_molecule)
434 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
437 (padding . 2.0) ; staffspace
438 (minimum-width . 12.5) ; staffspace
439 (font-family . number)
440 (font-relative-size . 1)
441 (meta . ,(grob-description multi-measure-rest-interface rest-interface font-interface ))
447 ;; Ugh, should not be hard-coded.
449 (meta . ,(grob-description
450 note-collision-interface axis-group-interface
457 (meta . ,(grob-description axis-group-interface note-column-interface))
463 (molecule-callback . ,Note_head::brew_molecule)
464 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
465 (stem-attachment-function . ,note-head-style->attachment-coordinates)
466 (meta . ,(grob-description rhythmic-head-interface font-interface note-head-interface))
474 (X-extent-callback . #f)
475 (Y-extent-callback . #f)
476 (molecule-callback . ,Line_spanner::brew_molecule)
477 (meta . ,(grob-description line-spanner-interface))
485 (X-extent-callback . #f)
486 (Y-extent-callback . #f)
487 (molecule-callback . ,Line_spanner::brew_molecule)
488 (meta . ,(grob-description line-spanner-interface))
493 (molecule-callback . ,Text_item::brew_molecule)
494 (font-family . roman)
495 (meta . ,(grob-description note-name-interface font-interface))
500 (self-alignment-X . 0)
502 (visibility-lambda . ,begin-of-line-visible)
503 (X-offset-callbacks . (,Side_position_interface::centered_on_parent ,Side_position_interface::aligned_on_self))
504 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
505 (molecule-callback . ,Text_item::brew_molecule)
506 (font-shape . italic)
507 (font-family . roman)
508 (meta . ,(grob-description text-interface font-interface ))
514 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8")
515 (meta . ,(grob-description paper-column-interface axis-group-interface spaceable-element-interface))
520 (molecule-callback . ,Slur::brew_molecule)
522 (spacing-procedure . ,Spanner::set_spacing_rods)
523 (minimum-length . 1.5)
524 (after-line-breaking-callback . ,Slur::after_line_breaking)
525 (extremity-rules . ,default-slur-extremity-rules)
526 (extremity-offset-alist . ,default-phrasing-slur-extremity-offset-alist)
527 (de-uglify-parameters . ( 1.5 0.8 -2.0))
528 (Y-extent-callback . ,Slur::height)
529 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
530 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
531 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
532 (bezier-area-steps . 1.0)))
535 (attachment . (#f . #f))
536 (attachment-offset . ((0 . 0) . (0 . 0)))
538 (meta . ,(grob-description slur-interface))
541 (NonMusicalPaperColumn
544 ; (molecule-callback . ,Paper_column::brew_molecule) (font-name . "cmr8")
545 (meta . ,(grob-description paper-column-interface
546 axis-group-interface spaceable-element-interface))
551 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
552 (molecule-callback . ,Multi_measure_rest::percent)
555 (minimum-width . 12.5) ; staffspace
556 (font-family . music)
557 (meta . ,(grob-description multi-measure-rest-interface font-interface percent-repeat-interface))
560 (PianoPedalBracket ;; an example of a text spanner
562 (molecule-callback . ,Text_spanner::brew_molecule)
563 (font-family . roman)
565 (if-text-padding . 1.0)
571 (meta . ,(grob-description text-spanner-interface piano-pedal-interface font-interface))
576 (molecule-callback . , Percent_repeat_item_interface::beat_slash)
579 (meta . ,(grob-description percent-repeat-interface))
583 (after-line-breaking-callback . ,Rest::after_line_breaking)
584 (X-extent-callback . ,Rest::extent_callback)
585 (Y-extent-callback . ,Rest::extent_callback)
586 (molecule-callback . ,Rest::brew_molecule)
587 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
588 (minimum-beam-collision-distance . 1.5)
589 (meta . ,(grob-description
590 rhythmic-head-interface
591 staff-symbol-referencer-interface
597 (minimum-distance . 0.75)
598 (meta . ,(grob-description rest-collision-interface ))
603 ;; don't set direction here: it breaks staccato.
604 (molecule-callback . ,Script::brew_molecule)
606 (X-offset-callbacks . (,Side_position_interface::centered_on_parent))
607 (before-line-breaking-callback . ,Script::before_line_breaking)
608 (font-family . music)
609 (meta . ,(grob-description script-interface side-position-interface font-interface))
614 (before-line-breaking-callback . ,Script_column::before_line_breaking)
615 (meta . ,(grob-description script-column-interface))
620 (molecule-callback . ,Slur::brew_molecule)
622 (spacing-procedure . ,Spanner::set_spacing_rods)
623 (minimum-length . 1.5)
624 (after-line-breaking-callback . ,Slur::after_line_breaking)
625 (extremity-rules . ,default-slur-extremity-rules)
626 (extremity-offset-alist . ,default-slur-extremity-offset-alist)
627 (de-uglify-parameters . ( 1.5 0.8 -2.0))
628 (Y-extent-callback . ,Slur::height)
629 (details . ((height-limit . 2.0) (ratio . 0.333) (force-blowfit . 0.5)
630 (bezier-pct-c0 . -0.2) (bezier-pct-c3 . 0.000006)
631 (bezier-pct-out-max . 0.8) (bezier-pct-in-max . 1.2)
632 (bezier-area-steps . 1.0)))
635 (attachment . (#f . #f))
636 (attachment-offset . ((0 . 0) . (0 . 0)))
638 (meta . ,(grob-description slur-interface))
643 (spacing-procedure . ,Spacing_spanner::set_springs)
644 (grace-space-factor . 0.8)
646 (shortest-duration-space . 2.0)
647 (spacing-increment . 1.2)
649 (X-extent-callback . #f)
650 (Y-extent-callback . #f)
653 (meta . ,(grob-description spacing-spanner-interface))
658 (break-align-symbol . staff-bar)
659 (bar-size-procedure . ,Span_bar::get_bar_size)
660 (molecule-callback . ,Span_bar::brew_molecule)
661 (visibility-lambda . ,begin-of-line-invisible)
662 (X-extent-callback . ,Span_bar::width_callback)
665 (before-line-breaking-callback . ,Span_bar::before_line_breaking)
669 ;; Ross. page 151 lists other values, we opt for a leaner look
673 (hair-thickness . 1.6)
674 (thick-thickness . 6.0)
675 (meta . ,(grob-description span-bar-interface bar-line-interface ))
681 (molecule-callback . ,Text_item::brew_molecule)
682 (break-align-symbol . clef)
683 (visibility-lambda . ,begin-of-line-visible)
684 (font-family . roman)
685 (meta . ,(grob-description break-aligned-interface text-interface font-interface))
691 (X-extent-callback . #f)
692 (stem-spacing-correction . 0.4)
693 (Y-extent-callback . #f)
694 (meta . ,(grob-description staff-spacing-interface))
698 (X-extent-callback . #f)
699 (Y-extent-callback . #f)
700 (stem-spacing-correction . 0.5)
702 (meta . ,(grob-description note-spacing-interface))
707 (molecule-callback . ,Staff_symbol::brew_molecule)
711 (meta . ,(grob-description staff-symbol-interface ))
716 (molecule-callback . ,Text_item::brew_molecule)
718 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
719 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
720 (no-spacing-rods . #t)
721 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
723 (font-family . roman)
724 (font-shape . italic)
725 (self-alignment-X . 0)
726 (meta . ,(grob-description text-interface font-interface))
729 (SostenutoPedalLineSpanner
733 (minimum-space . 1.0)
735 (meta . ,(grob-description piano-pedal-interface axis-group-interface side-position-interface))
740 (before-line-breaking-callback . ,Stem::before_line_breaking)
741 (molecule-callback . ,Stem::brew_molecule)
743 (beamed-lengths . (0.0 2.5 2.0 1.5))
744 (beamed-minimum-lengths . (0.0 1.5 1.25 1.0))
746 ;; Stems in unnatural (forced) direction should be shortened,
747 ;; according to [Roush & Gourlay]. Their suggestion to knock off
748 ;; a whole staffspace seems a bit drastical: we'll do half.
750 (lengths . (3.5 3.5 3.5 4.5 5.0))
751 (stem-shorten . (1.0 0.5))
752 ; if stem is on middle line, choose this direction.
753 (neutral-direction . -1)
754 (X-offset-callbacks . (,Stem::off_callback))
755 (X-extent-callback . ,Stem::dim_callback)
756 (Y-extent-callback . ,Stem::height)
757 (adjust-if-on-staffline . #t)
758 (font-family . music)
759 (meta . ,(grob-description stem-interface font-interface))
764 (molecule-callback . ,Stem_tremolo::brew_molecule)
765 (Y-extent-callback . ,Stem_tremolo::height)
766 (X-extent-callback . #f)
768 (beam-width . 2.0) ; staff-space
769 (beam-thickness . 0.42) ; staff-space
770 (beam-space-function . ,default-beam-space-function)
771 (meta . ,(grob-description stem-tremolo-interface ))
776 (meta . ,(grob-description separation-item-interface ))
779 (SeparatingGroupSpanner
781 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
782 (meta . ,(grob-description separation-spanner-interface))
787 (no-spacing-rods . #t)
788 (molecule-callback . ,Sustain_pedal::brew_molecule)
789 (self-alignment-X . 0)
791 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
793 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
794 (Y-offset-callbacks . (,Side_position_interface::aligned_side ))
795 (meta . ,(grob-description piano-pedal-interface side-position-interface font-interface))
798 (SustainPedalLineSpanner
802 (minimum-space . 1.0)
804 (meta . ,(grob-description piano-pedal-interface axis-group-interface side-position-interface))
810 (molecule-callback . ,System_start_delimiter::brew_molecule)
811 (collapse-height . 5.0)
812 (font-family . braces)
813 (Y-extent-callback . #f)
814 (meta . ,(grob-description system-start-delimiter-interface font-interface))
819 (Y-extent-callback . #f)
820 (molecule-callback . ,System_start_delimiter::brew_molecule)
826 (bracket-collapse-height . 1)
828 (meta . ,(grob-description system-start-delimiter-interface ))
833 (Y-extent-callback . #f)
834 (molecule-callback . ,System_start_delimiter::brew_molecule)
837 (after-line-breaking-callback . ,System_start_delimiter::after_line_breaking)
838 (meta . ,(grob-description system-start-delimiter-interface ))
843 (molecule-callback . ,Text_item::brew_molecule)
844 (no-spacing-rods . #t)
847 ;; todo: add X self alignment?
849 (font-family . roman)
850 (meta . ,(grob-description text-script-interface text-interface side-position-interface font-interface ))
855 (molecule-callback . ,Text_spanner::brew_molecule)
856 (font-family . roman)
859 ;; urg, only for (de)cresc. text spanners
860 (if-text-padding . 1.0)
864 (meta . ,(grob-description text-spanner-interface font-interface))
869 (molecule-callback . ,Tie::brew_molecule)
870 (spacing-procedure . ,Spanner::set_spacing_rods)
871 (staffline-clearance . 0.35)
872 (details . ((ratio . 0.333) (height-limit . 1.0)))
876 (minimum-length . 2.5)
877 (meta . ,(grob-description tie-interface ))
882 (after-line-breaking-callback . ,Tie_column::after_line_breaking)
883 (meta . ,(grob-description tie-column-interface ))
888 (molecule-callback . ,Time_signature::brew_molecule)
889 (break-align-symbol . time-signature)
890 (visibility-lambda . ,all-visible)
892 (begin-of-note . (extra-space . 2.0))
893 (staff-bar . (minimum-space . 2.0))
897 (font-family . number)
898 (meta . ,(grob-description time-signature-interface font-interface))
905 (after-line-breaking-callback . ,Tuplet_bracket::after_line_breaking)
906 (molecule-callback . ,Tuplet_bracket::brew_molecule)
907 (font-family . roman)
908 (font-shape . italic)
909 (font-relative-size . -1)
910 (meta . ,(grob-description text-interface
911 tuplet-bracket-interface font-interface))
916 (molecule-callback . ,Text_item::brew_molecule)
917 (font-family . roman)
918 (font-shape . italic)
919 (no-spacing-rods . #t)
920 (self-alignment-X . 0)
923 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
924 (X-offset-callbacks . (,Side_position_interface::aligned_on_self))
925 (Y-offset-callbacks . (,Side_position_interface::aligned_side ))
926 (meta . ,(grob-description text-interface font-interface))
929 (UnaCordaPedalLineSpanner
933 (minimum-space . 1.0)
935 (meta . ,(grob-description piano-pedal-interface axis-group-interface side-position-interface))
940 (molecule-callback . ,Volta_spanner::brew_molecule)
944 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
945 (thickness . 1.6) ; stafflinethickness
946 (height . 2.0) ; staffspace;
948 (font-family . number)
949 (font-relative-size . -2)
950 (meta . ,(grob-description volta-bracket-interface side-position-interface font-interface))
956 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
957 (X-extent-callback . #f)
959 (meta . ,(grob-description align-interface axis-group-interface))
965 (meta . ,(grob-description axis-group-interface))
973 (define (completize-grob-entry x)
974 "transplant assoc key into 'name entry of 'meta of X
976 (let* ((name-sym (car x))
978 (metaentry (cdr (assoc 'meta entry)))
979 (new-metaentry (assoc-set! metaentry 'name name-sym))
982 (cons name-sym (assoc-set! entry 'meta new-metaentry))
985 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
989 ; (display (map pair? all-grob-descriptions))
992 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
995 ; (display (car x)) (newline)
997 (set-object-property! (car x) 'translation-type? list?))
998 all-grob-descriptions)