1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in line-thickness (thicknesses) and
9 ;;;; staff-space (distances)
11 ;;;; WARNING: the meta field should be the last one.
12 ;;;; WARNING: don't use anonymous functions for initialization.
14 ;; TODO: junk the meta field in favor of something more compact?
16 ;;; todo:: reorder sensibly.
18 (define-public all-grob-descriptions
23 (cautionary-style . parentheses)
25 (stencil . ,ly:accidental-interface::print)
27 . ,ly:accidental-interface::after-line-breaking)
29 (meta . ((class . Item)
30 (interfaces . (accidental-interface
35 (stencil . ,ly:accidental-interface::print)
36 (X-offset . ,(ly:make-simple-closure
38 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent))
39 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
40 (self-alignment-X . ,CENTER)
42 (cautionary-style . smaller)
43 (Y-offset . ,ly:side-position-interface::y-aligned-side)
44 (cautionary-style . parentheses)
46 (staff-padding . 0.25)
49 (meta . ((class . Item)
50 (interfaces . (side-position-interface
53 accidental-suggestion-interface
54 self-alignment-interface
60 (positioning-done . ,ly:accidental-placement::calc-positioning-done)
61 (X-extent . ,ly:axis-group-interface::width)
63 ;; this is quite small, but it is very ugly to have
64 ;; accs closer to the previous note than to the next one.
65 (right-padding . 0.15)
66 (meta . ((class . Item)
67 (interfaces . (accidental-placement-interface))))))
71 (X-extent . ,ly:axis-group-interface::width)
72 (X-extent . ,ly:axis-group-interface::height)
75 (clef . (extra-space . 0.5))
76 (key-signature . (extra-space . 0.0))
77 (staff-bar . (extra-space . 0.0))
78 (time-signature . (extra-space . 0.0))
79 (first-note . (fixed-space . 0.0))))
81 (break-align-symbol . ambitus)
82 (break-visibility . ,begin-of-line-visible)
83 (meta . ((class . Item)
84 (interfaces . (axis-group-interface
85 break-aligned-interface
86 ambitus-interface))))))
91 (stencil . ,ly:ambitus::print)
95 (X-offset . ,ly:self-alignment-interface::centered-on-x-parent)
97 (meta . ((class . Item)
98 (interfaces . (ambitus-interface
99 staff-symbol-referencer-interface
103 (font-family . music)
105 (X-offset . ,ly:side-position-interface::x-aligned-side)
107 (cautionary-style . parentheses)
109 (stencil . ,ly:accidental-interface::print)
110 (after-line-breaking . ,ly:accidental-interface::after-line-breaking)
113 (meta . ((class . Item)
114 (interfaces . (item-interface
116 break-aligned-interface
117 side-position-interface
124 (stencil . ,ly:note-head::print)
125 (glyph-name . ,note-head::calc-glyph-name)
127 (Y-offset . ,ly:staff-symbol-referencer::callback)
128 (meta . ((class . Item)
129 (interfaces . (font-interface
132 staff-symbol-referencer-interface
133 rhythmic-head-interface
134 ledgered-interface))))))
137 . ((X-extent . ,ly:arpeggio::width)
138 (stencil . ,ly:arpeggio::print)
139 (Y-offset . ,ly:staff-symbol-referencer::callback)
140 (X-offset . ,ly:side-position-interface::x-aligned-side)
144 (staff-position . 0.0)
145 (meta . ((class . Item)
146 (interfaces . (arpeggio-interface
147 staff-symbol-referencer-interface
148 side-position-interface
153 (break-align-symbol . staff-bar)
156 (break-visibility . ,all-visible)
159 (stencil . ,ly:bar-line::print)
160 (glyph-name . ,bar-line::calc-glyph-name)
161 (bar-size . ,ly:bar-line::calc-bar-size)
164 (time-signature . (extra-space . 0.75))
165 (custos . (minimum-space . 2.0))
166 (clef . (minimum-space . 1.0))
167 (key-signature . (extra-space . 1.0))
168 (key-cancellation . (extra-space . 1.0))
169 (first-note . (fixed-space . 1.3))
170 (next-note . (semi-fixed-space . 1.3))
171 (right-edge . (extra-space . 0.0))))
174 ;; Ross. page 151 lists other values, we opt for a leaner look
177 ;; kern should scale with line-thickness too.
180 (hair-thickness . 1.9)
181 (thick-thickness . 6.0)
182 (meta . ((class . Item)
183 (interfaces . (bar-line-interface
184 break-aligned-interface
189 (stencil . ,ly:text-interface::print)
191 (break-visibility . ,begin-of-line-visible)
194 (font-family . roman)
196 (Y-offset . ,ly:side-position-interface::y-aligned-side)
198 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
199 (self-alignment-X . 1)
203 (interfaces . (side-position-interface
205 self-alignment-interface
207 break-aligned-interface))))
213 (stencil . ,ly:text-interface::print)
215 (meta . ((class . Item)
216 (interfaces . (text-interface
217 rhythmic-grob-interface
218 bass-figure-interface
223 (stencil . ,ly:enclosing-bracket::print)
225 (edge-height . (0.2 . 0.2))
226 (meta . ((class . Item)
227 (interfaces . (enclosing-bracket-interface)) ))
229 (BassFigureContinuation
232 (stencil . ,ly:figured-bass-continuation::print)
234 (Y-offset . ,ly:figured-bass-continuation::center-on-figures)
235 (meta . ((class . Spanner)
236 (interfaces . (figured-bass-continuation-interface))
242 (Y-extent . ,ly:axis-group-interface::height)
244 (meta . ((class . Spanner)
245 (interfaces . (axis-group-interface
251 (threshold . (2 . 1000))
253 (positioning-done . ,ly:align-interface::calc-positioning-done)
254 (Y-extent . ,ly:axis-group-interface::height)
257 (meta . ((class . Spanner)
258 (interfaces . (align-interface
259 axis-group-interface))))))
263 ;; todo: clean this up a bit: the list is getting
266 (positions . ,(ly:make-simple-closure
267 (ly:make-simple-closure
268 (list chain-grob-member-functions
270 ly:beam::calc-least-squares-positions
271 ly:beam::slope-damping
272 ly:beam::shift-region-to-valid
276 ;; this is a hack to set stem lengths, if positions is set.
277 (quantized-positions . ,ly:beam::set-stem-lengths)
278 (concaveness . ,ly:beam::calc-concaveness)
279 (direction . ,ly:beam::calc-direction)
280 (shorten . ,ly:beam::calc-stem-shorten)
281 (beaming . ,ly:beam::calc-beaming)
282 (stencil . ,ly:beam::print)
284 ;; TODO: should be in SLT.
285 (thickness . 0.48) ; in staff-space
286 (neutral-direction . ,DOWN)
288 ;; Whe have some unreferenced problems here.
290 ;; If we shorten beamed stems less than normal stems (1 staff-space),
291 ;; or high order less than 8th beams, patterns like
292 ;; c''4 [c''8 c''] c''4 [c''16 c]
293 ;; are ugly (different stem lengths).
295 ;; But if we shorten 16th beams as much as 8th beams, a single
296 ;; forced 16th beam looks *very* short.
298 ;; We choose to shorten 8th beams the same as single stems,
299 ;; and high order beams less than 8th beams, so that all
300 ;; isolated shortened beams look nice and a bit shortened,
301 ;; sadly possibly breaking patterns with high order beams.
302 (beamed-stem-shorten . (1.0 0.5 0.25))
304 (auto-knee-gap . 5.5)
306 ;; only for debugging.
307 (font-family . roman)
308 (meta . ((class . Spanner)
309 (interfaces . (staff-symbol-referencer-interface
316 (positioning-done . ,ly:break-align-interface::calc-positioning-done)
317 (X-extent . ,ly:axis-group-interface::width)
318 (break-align-orders . ;; end of line
340 time-signature custos)
354 (meta . ((class . Item)
355 (interfaces . (break-alignment-interface
356 axis-group-interface))))))
361 (X-extent . ,ly:axis-group-interface::width)
362 (meta . ((class . Item)
363 (interfaces . (break-aligned-interface
364 axis-group-interface))))))
368 (break-align-symbol . breathing-sign)
371 (ambitus . (extra-space . 2.0))
372 (custos . (minimum-space . 1.0))
373 (key-signature . (minimum-space . 1.5))
374 (time-signature . (minimum-space . 1.5))
375 (staff-bar . (minimum-space . 1.5))
376 (clef . (minimum-space . 2.0))
377 (first-note . (fixed-space . 1.0)) ;huh?
378 (right-edge . (extra-space . 0.1))))
380 (stencil . ,ly:text-interface::print)
382 (text . ,(make-musicglyph-markup "scripts.rcomma"))
383 (Y-offset . ,ly:breathing-sign::offset-callback)
384 (break-visibility . ,begin-of-line-invisible)
385 (meta . ((class . Item)
386 (interfaces . (break-aligned-interface
387 breathing-sign-interface
394 (stencil . ,ly:clef::print)
395 (glyph-name . ,ly:clef::calc-glyph-name)
398 (font-family . music)
399 (break-align-symbol . clef)
400 (break-visibility . ,begin-of-line-visible)
401 (space-alist . ((ambitus . (extra-space . 2.0))
402 (staff-bar . (extra-space . 0.7))
403 (key-cancellation . (minimum-space . 3.5))
404 (key-signature . (minimum-space . 3.5))
405 (time-signature . (minimum-space . 4.2))
406 (first-note . (minimum-fixed-space . 5.0))
407 (next-note . (extra-space . 0.5))
408 (right-edge . (extra-space . 0.5))))
409 (Y-offset . ,ly:staff-symbol-referencer::callback)
410 (meta . ((class . Item)
411 (interfaces . (clef-interface
412 staff-symbol-referencer-interface
414 break-aligned-interface))))))
416 (ClusterSpannerBeacon
419 (Y-extent . ,ly:cluster-beacon::height)
421 (meta . ((class . Item)
422 (interfaces . (cluster-beacon-interface))))))
427 (springs-and-rods . ,ly:spanner::set-spacing-rods)
428 (stencil . ,ly:cluster::print)
431 (minimum-length . 0.0)
434 (meta . ((class . Spanner)
435 (interfaces . (cluster-interface))))))
440 (stencil . ,ly:text-interface::print)
441 (after-line-breaking . ,ly:chord-name::after-line-breaking)
446 (meta . ((class . Item)
447 (interfaces . (font-interface
448 rhythmic-grob-interface
456 (stencil . ,ly:text-interface::print)
458 (no-spacing-rods . #t)
459 (Y-offset . ,ly:side-position-interface::y-aligned-side)
460 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
463 (staff-padding . 0.5)
464 (script-priority . 200)
465 ;; todo: add X self alignment?
469 (meta . ((class . Item)
470 (interfaces . (text-script-interface
472 side-position-interface
477 (break-align-symbol . custos)
480 (stencil . ,ly:custos::print)
482 (break-visibility . ,end-of-line-visible)
484 (neutral-direction . ,DOWN)
485 (Y-offset . ,ly:staff-symbol-referencer::callback)
487 (first-note . (minimum-fixed-space . 0.0))
488 (right-edge . (extra-space . 0.1))))
489 (meta . ((class . Item)
492 staff-symbol-referencer-interface
494 break-aligned-interface))))))
501 (positioning-done . ,ly:dot-column::calc-positioning-done)
502 (X-extent . ,ly:axis-group-interface::width)
504 (X-offset . ,ly:dot-column::side-position)
505 (meta . ((class . Item)
506 (interfaces . (dot-column-interface
507 axis-group-interface))))))
512 (stencil . ,ly:dots::print)
515 (meta . ((class . Item)
516 (interfaces . (font-interface
517 staff-symbol-referencer-interface
522 (stencil . ,ly:percent-repeat-item-interface::double-percent)
525 (font-encoding . fetaMusic)
528 (break-align-symbol . staff-bar)
529 (break-visibility . ,begin-of-line-invisible)
530 (meta . ((class . Item)
531 (interfaces . (font-interface
532 break-aligned-interface
533 percent-repeat-interface))))))
535 (DoublePercentRepeatCounter
538 (stencil . ,ly:text-interface::print)
539 (X-offset . ,(ly:make-simple-closure `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-y-parent))
540 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
541 (Y-offset . ,ly:side-position-interface::y-aligned-side)
542 (font-encoding . fetaNumber)
543 (self-alignment-X . 0)
547 (staff-padding . 0.25)
549 (meta . ((class . Item)
550 (interfaces . (side-position-interface
551 self-alignment-interface
552 percent-repeat-interface
558 (Y-offset . ,ly:side-position-interface::y-aligned-side)
559 (staff-padding . 0.1)
561 (avoid-slur . outside)
563 (minimum-space . 1.2)
567 (Y-extent . ,ly:axis-group-interface::height)
568 (X-extent . ,ly:axis-group-interface::width)
571 (meta . ((class . Spanner)
572 (interfaces . (axis-group-interface
574 dynamic-line-spanner-interface
575 side-position-interface))))))
582 (stencil . ,ly:text-interface::print)
583 (direction . ,ly:script-interface::calc-direction)
585 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
586 (self-alignment-X . 0)
587 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
588 (self-alignment-Y . 0)
590 (font-encoding . fetaDynamic)
591 (font-shape . italic)
592 (avoid-slur . around)
593 (no-spacing-rods . #t)
594 (script-priority . 100)
595 (meta . ((class . Item)
596 (interfaces . (font-interface
598 self-alignment-interface
600 script-interface))))))
605 (stencil . ,ly:dynamic-text-spanner::print)
607 ;; rather ugh with NCSB
608 ;; (font-series . bold)
609 (font-shape . italic)
610 (style . dashed-line)
612 ;; need to blend with dynamic texts.
614 (bound-padding . 0.75)
615 (dash-fraction . 0.2)
617 (meta . ((class . Spanner)
618 (interfaces . (font-interface
621 dynamic-text-spanner-interface
622 spanner-interface))))))
627 ;; sync with TextScript (?)
630 (avoid-slur . around)
632 (staff-padding . 0.5)
633 (self-alignment-X . 0)
634 (self-alignment-Y . 0)
635 (script-priority . 100)
637 (stencil . ,ly:text-interface::print)
638 (direction . ,ly:script-interface::calc-direction)
640 (font-encoding . fetaNumber)
641 (font-size . -5) ; don't overlap when next to heads.
642 (meta . ((class . Item)
643 (interfaces . (finger-interface
645 text-script-interface
647 side-position-interface
648 self-alignment-interface
654 (zigzag-width . 0.75)
659 (stencil . ,ly:line-spanner::print)
660 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
663 (meta . ((class . Spanner)
664 (interfaces . (line-interface
665 line-spanner-interface))))))
671 (meta . ((class . Item)
672 (interfaces . (grid-point-interface))))))
677 (X-extent . ,ly:grid-line-interface::width)
678 (stencil . ,ly:grid-line-interface::print)
680 (self-alignment-X . ,CENTER)
681 (X-offset . ,(ly:make-simple-closure
682 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent))
683 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
685 (meta . ((class . Item)
686 (interfaces . (self-alignment-interface
687 grid-line-interface))))))
693 (stencil . ,ly:hairpin::print)
694 (springs-and-rods . ,ly:spanner::set-spacing-rods)
695 (after-line-breaking . ,ly:hairpin::after-line-breaking)
699 (minimum-length . 2.0)
700 (bound-padding . 1.0)
701 (self-alignment-Y . 0)
702 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
703 (meta . ((class . Spanner)
704 (interfaces . (hairpin-interface
706 self-alignment-interface
708 spanner-interface))))))
713 (stencil . ,ly:horizontal-bracket::print)
714 (Y-offset . ,ly:side-position-interface::y-aligned-side)
716 (staff-padding . 0.2)
719 (bracket-flare . (0.5 . 0.5))
720 (meta . ((class . Spanner)
721 (interfaces . (horizontal-bracket-interface
722 side-position-interface
724 spanner-interface))))))
729 (stencil . ,ly:system-start-delimiter::print)
730 (collapse-height . 5.0)
731 (X-offset . ,ly:side-position-interface::x-aligned-side)
735 (meta . ((class . Spanner)
736 (interfaces . (system-start-text-interface
737 side-position-interface
743 (stencil . ,ly:key-signature-interface::print)
746 (time-signature . (extra-space . 1.25))
747 (staff-bar . (extra-space . 0.6))
748 (key-signature . (extra-space . 0.5))
749 (right-edge . (extra-space . 0.5))
750 (first-note . (fixed-space . 2.5))))
751 (Y-offset . ,ly:staff-symbol-referencer::callback)
752 (break-align-symbol . key-cancellation)
753 (break-visibility . ,begin-of-line-invisible)
756 (meta . ((class . Item)
757 (interfaces . (key-signature-interface
759 break-aligned-interface))))))
763 (stencil . ,ly:key-signature-interface::print)
766 (time-signature . (extra-space . 1.15))
767 (staff-bar . (extra-space . 1.1))
768 (right-edge . (extra-space . 0.5))
769 (first-note . (fixed-space . 2.5))))
770 (Y-offset . ,ly:staff-symbol-referencer::callback)
771 (break-align-symbol . key-signature)
772 (break-visibility . ,begin-of-line-visible)
775 (meta . ((class . Item)
776 (interfaces . (key-signature-interface
778 break-aligned-interface))))))
782 (stencil . ,ly:tie::print)
783 (control-points . ,ly:laissez-vibrer-tie::calc-control-points)
784 (direction . ,ly:laissez-vibrer-tie::calc-direction)
786 (details . ((ratio . 0.333)
787 (height-limit . 1.0)))
789 (meta . ((class . Item)
790 (interfaces . (laissez-vibrer-tie-interface))
794 (LaissezVibrerTieColumn
798 (positioning-done . ,ly:laissez-vibrer-tie-column::calc-positioning-done)
799 (meta . ((class . Item)
800 (interfaces . (laissez-vibrer-tie-column-interface))
807 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
809 (stencil . ,ly:ledger-line-spanner::print)
813 (minimum-length-fraction . 0.25)
814 (length-fraction . 0.25)
816 (meta . ((class . Spanner)
817 (interfaces . (ledger-line-interface))))))
821 (break-align-symbol . left-edge)
824 (break-visibility . ,center-invisible)
826 (custos . (extra-space . 0.0))
827 (ambitus . (extra-space . 2.0))
828 (time-signature . (extra-space . 1.0))
829 (staff-bar . (extra-space . 0.0))
830 (breathing-sign . (minimum-space . 0.0))
831 (clef . (extra-space . 0.8))
832 (first-note . (fixed-space . 2.0))
833 (right-edge . (extra-space . 0.0))
834 (key-signature . (extra-space . 0.0))
835 (key-cancellation . (extra-space . 0.0))
837 (meta . ((class . Item)
838 (interfaces . (break-aligned-interface))))))
842 ;; ugh. A ligature bracket is totally different from
847 (edge-height . (0.7 . 0.7))
848 (shorten-pair . (-0.2 . -0.2))
850 (positions . ,ly:tuplet-bracket::calc-positions)
851 (stencil . ,ly:tuplet-bracket::print)
852 (staff-padding . 0.25)
853 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
854 (control-points . ,ly:tuplet-bracket::calc-control-points)
855 (meta . ((class . Spanner)
856 (interfaces . (line-interface
857 tuplet-bracket-interface))))))
865 (minimum-length . 0.3)
866 (minimum-distance . 0.1)
868 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
870 (stencil . ,ly:hyphen-spanner::print)
873 (meta . ((class . Spanner)
874 (interfaces . (lyric-interface
876 lyric-hyphen-interface
877 spanner-interface))))))
882 (stencil . ,ly:lyric-extender::print)
884 (thickness . 0.8) ; line-thickness
885 (minimum-length . 1.5)
887 (meta . ((class . Spanner)
888 (interfaces . (lyric-interface
889 lyric-extender-interface))))))
892 . ((minimum-distance . 0.3)
893 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
897 (meta . ((class . Spanner)
898 (interfaces . (spanner-interface
899 lyric-hyphen-interface spacing-interface))
904 (stencil . ,ly:text-interface::print)
905 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
906 (self-alignment-X . 0)
908 (font-series . bold-narrow)
910 (meta . ((class . Item)
911 (interfaces . (rhythmic-grob-interface
912 lyric-syllable-interface
913 self-alignment-interface
920 (Y-offset . ,ly:side-position-interface::y-aligned-side)
923 (stencil . ,ly:measure-grouping::print)
930 (meta . ((class . Spanner)
931 (interfaces . (side-position-interface
932 measure-grouping-interface))))))
936 (neutral-direction . ,DOWN)
937 (meta . ((class . Item)
938 (interfaces . (melody-spanner-interface spacing-interface))))))
943 (stencil . ,ly:mensural-ligature::print)
945 (meta . ((class . Spanner)
946 (interfaces . (mensural-ligature-interface
951 (stencil . ,ly:text-interface::print)
952 (Y-offset . ,ly:side-position-interface::y-aligned-side)
956 (meta . ((class . Item)
957 (interfaces . (text-interface
958 side-position-interface
960 metronome-mark-interface))))))
965 (stencil . ,ly:multi-measure-rest::print)
966 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
967 (Y-offset . ,ly:staff-symbol-referencer::callback)
970 (thick-thickness . 6.6)
971 (hair-thickness . 2.0)
973 (meta . ((class . Spanner)
974 (interfaces . (multi-measure-rest-interface
975 multi-measure-interface
978 staff-symbol-referencer-interface))))))
981 (MultiMeasureRestNumber
983 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
984 (stencil . ,ly:text-interface::print)
985 (X-offset . ,(ly:make-simple-closure
986 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
987 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
988 (Y-offset . ,ly:side-position-interface::y-aligned-side)
991 (self-alignment-X . 0)
994 (staff-padding . 0.4)
995 (font-encoding . fetaNumber)
996 (meta . ((class . Spanner)
997 (interfaces . (side-position-interface
998 multi-measure-interface
999 self-alignment-interface
1004 (MultiMeasureRestText
1006 (stencil . ,ly:text-interface::print)
1007 (X-offset . ,(ly:make-simple-closure
1008 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1009 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1011 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1012 (self-alignment-X . 0)
1015 (staff-padding . 0.25)
1016 (meta . ((class . Spanner)
1017 (interfaces . (side-position-interface
1018 multi-measure-interface
1019 self-alignment-interface
1021 text-interface))))))
1027 (X-extent . ,ly:axis-group-interface::width)
1028 (Y-extent . ,ly:axis-group-interface::height)
1029 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1031 (meta . ((class . Item)
1032 (interfaces . (note-collision-interface
1033 axis-group-interface))))))
1038 (X-extent . ,ly:axis-group-interface::width)
1039 (Y-extent . ,ly:axis-group-interface::height)
1041 (meta . ((class . Item)
1042 (interfaces . (axis-group-interface
1043 note-column-interface))))))
1048 (stencil . ,ly:note-head::print)
1049 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1050 (glyph-name . ,note-head::calc-glyph-name)
1051 (Y-offset . ,ly:staff-symbol-referencer::callback)
1052 (X-offset . ,ly:note-head::stem-x-shift)
1053 (meta . ((class . Item)
1054 (interfaces . (rhythmic-grob-interface
1055 rhythmic-head-interface
1059 staff-symbol-referencer-interface))))))
1063 (stem-spacing-correction . 0.5)
1064 (same-direction-correction . 0.25)
1065 ;; Changed this from 0.75.
1066 ;; If you ever change this back, please document! --hwn
1067 (knee-spacing-correction . 1.0)
1069 (meta . ((class . Item)
1070 (interfaces . (spacing-interface
1071 note-spacing-interface))))))
1076 (stencil . ,ly:text-interface::print)
1078 (meta . ((class . Item)
1079 (interfaces . (note-name-interface
1081 font-interface))))))
1085 (self-alignment-X . 0)
1086 (break-visibility . ,begin-of-line-visible)
1087 (X-offset . ,(ly:make-simple-closure
1088 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1089 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1091 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1093 (stencil . ,ly:text-interface::print)
1096 ;; no Y dimensions, because of lyrics under tenor clef.
1097 (Y-extent . (0 . 0))
1098 (font-shape . italic)
1100 (staff-padding . 0.2)
1102 (meta . ((class . Item)
1103 (interfaces . (text-interface
1104 self-alignment-interface
1105 side-position-interface
1106 font-interface))))))
1110 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1112 (stencil . ,ly:ottava-bracket::print)
1114 (font-shape . italic)
1115 (shorten-pair . (0.0 . -0.6))
1116 (staff-padding . 1.0)
1118 (minimum-length . 1.0)
1119 (dash-fraction . 0.3)
1120 (edge-height . (0 . 1.2))
1122 (meta . ((class . Spanner)
1123 (interfaces . (ottava-bracket-interface
1124 horizontal-bracket-interface
1126 side-position-interface
1128 text-interface))))))
1134 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1135 ;; (stencil . ,ly:paper-column::print)
1136 (X-extent . ,ly:axis-group-interface::width)
1140 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1141 (meta . ((class . Paper_column)
1142 (interfaces . (paper-column-interface
1143 axis-group-interface
1144 spaceable-grob-interface))))))
1148 (stencil . ,parentheses-item::print)
1151 (meta . ((class . Item)
1152 (interfaces . (parentheses-interface font-interface))))
1156 . ((details . ,default-slur-details)
1158 (control-points . ,ly:slur::calc-control-points)
1159 (direction . ,ly:slur::calc-direction)
1160 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1161 (Y-extent . ,ly:slur::height)
1162 (stencil . ,ly:slur::print)
1166 (minimum-length . 1.5)
1167 (height-limit . 2.0)
1169 (meta . ((class . Spanner)
1170 (interfaces . (slur-interface))))))
1172 (NonMusicalPaperColumn
1176 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1177 (X-extent . ,ly:axis-group-interface::width)
1178 ;; (stencil . ,ly:paper-column::print)
1182 ;; debugging stuff: print column number.
1183 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1185 (meta . ((class . Paper_column)
1186 (interfaces . (paper-column-interface
1187 axis-group-interface
1188 spaceable-grob-interface))))))
1193 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1194 (stencil . ,ly:multi-measure-rest::percent)
1198 (font-encoding . fetaMusic)
1199 (meta . ((class . Spanner)
1200 (interfaces . (multi-measure-rest-interface
1202 percent-repeat-interface))))))
1203 (PercentRepeatCounter
1205 (stencil . ,ly:text-interface::print)
1206 (X-offset . ,(ly:make-simple-closure
1207 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1208 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1209 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1210 (self-alignment-X . 0)
1213 (staff-padding . 0.25)
1215 (font-encoding . fetaNumber)
1216 (meta . ((class . Spanner)
1217 (interfaces . (side-position-interface
1218 self-alignment-interface
1219 percent-repeat-interface
1221 text-interface))))))
1223 ;; an example of a text spanner
1227 (stencil . ,ly:piano-pedal-bracket::print)
1230 (bound-padding . 1.0)
1232 (bracket-flare . (0.5 . 0.5))
1233 (edge-height . (1.0 . 1.0))
1234 (shorten-pair . (0.0 . 0.0))
1236 (meta . ((class . Spanner)
1237 (interfaces . (line-interface
1238 piano-pedal-interface
1239 piano-pedal-bracket-interface))))))
1243 (stencil . ,ly:text-interface::print)
1244 (X-offset . ,(ly:make-simple-closure
1245 `(,+ ,(ly:make-simple-closure
1246 `(,ly:self-alignment-interface::x-aligned-on-self))
1247 ,(ly:make-simple-closure
1248 `(,ly:self-alignment-interface::centered-on-x-parent)))
1250 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1251 (self-alignment-X . 0)
1256 (break-visibility . ,end-of-line-invisible)
1258 (meta . ((class . Item)
1259 (interfaces . (text-interface
1260 side-position-interface
1263 self-alignment-interface))))))
1268 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1271 (meta . ((class . Item)
1272 (interfaces . (percent-repeat-interface))))))
1275 (stencil . ,ly:rest::print)
1276 (X-extent . ,ly:rest::width)
1277 (Y-extent . ,ly:rest::height)
1278 (Y-offset . ,ly:rest::y-offset-callback)
1279 (minimum-distance . 0.25)
1280 (meta . ((class . Item)
1281 (interfaces . (font-interface
1282 rhythmic-head-interface
1283 rhythmic-grob-interface
1284 staff-symbol-referencer-interface
1285 rest-interface))))))
1289 (minimum-distance . 0.75)
1290 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1292 (meta . ((class . Item)
1293 (interfaces . (rest-collision-interface))))))
1297 ;; don't set direction here: it breaks staccato.
1299 ;; This value is sensitive: if too large, staccato dots will move a
1302 (staff-padding . 0.25)
1303 ;; (script-priority . 0) priorities for scripts, see script.scm
1304 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1307 (stencil . ,ly:script-interface::print)
1308 (direction . ,ly:script-interface::calc-direction)
1310 (font-encoding . fetaMusic)
1311 (meta . ((class . Item)
1312 (interfaces . (script-interface
1313 side-position-interface
1314 font-interface))))))
1319 (before-line-breaking . ,ly:script-column::before-line-breaking)
1321 (meta . ((class . Item)
1322 (interfaces . (script-column-interface))))))
1328 (meta . ((class . Item)
1329 (interfaces . (spacing-interface
1330 separation-item-interface))))))
1332 (SeparatingGroupSpanner
1335 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1337 (meta . ((class . Spanner)
1338 (interfaces . (only-prebreak-interface
1340 separation-spanner-interface))))))
1343 . ((details . ,default-slur-details)
1345 (control-points . ,ly:slur::calc-control-points)
1346 (direction . ,ly:slur::calc-direction)
1347 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1348 (Y-extent . ,ly:slur::height)
1349 (stencil . ,ly:slur::print)
1352 (line-thickness . 0.8)
1353 (minimum-length . 1.5)
1355 (height-limit . 2.0)
1357 (meta . ((class . Spanner)
1358 (interfaces . (slur-interface))))))
1363 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1364 (average-spacing-wishes . #t)
1365 (grace-space-factor . 0.6)
1366 (shortest-duration-space . 2.0)
1367 (spacing-increment . 1.2)
1368 (base-shortest-duration . ,(ly:make-moment 3 16))
1369 (meta . ((class . Spanner)
1370 (interfaces . (spacing-interface
1371 spacing-spanner-interface))))))
1375 (break-align-symbol . staff-bar)
1380 (stencil . ,ly:span-bar::print)
1381 (bar-size . ,ly:span-bar::calc-bar-size)
1382 (X-extent . ,ly:span-bar::width)
1383 (glyph-name . ,ly:span-bar::calc-glyph-name)
1384 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1389 ;; Ross. page 151 lists other values, we opt for a leaner look
1393 (hair-thickness . 1.6)
1394 (thick-thickness . 6.0)
1395 (meta . ((class . Item)
1396 (interfaces . (span-bar-interface
1398 bar-line-interface))))))
1402 (stencil . ,ly:text-interface::print)
1404 (font-series . bold)
1406 (X-offset . ,ly:side-position-interface::x-aligned-side)
1409 (meta . ((class . Item)
1410 (interfaces . (side-position-interface
1411 stanza-number-interface
1413 font-interface))))))
1418 (stencil . ,print-circled-text-callback)
1421 (staff-padding . 0.5)
1422 (self-alignment-X . 0)
1423 (self-alignment-Y . 0)
1424 (script-priority . 100)
1425 (font-encoding . fetaNumber)
1426 (font-size . -5) ; don't overlap when next to heads.
1427 (meta . ((class . Item)
1428 (interfaces . (string-number-interface
1430 text-script-interface
1432 side-position-interface
1433 self-alignment-interface
1434 item-interface))))))
1439 (stem-spacing-correction . 0.4)
1440 (meta . ((class . Item)
1441 (interfaces . (spacing-interface
1442 staff-spacing-interface))))))
1447 (stencil . ,ly:text-interface::print)
1449 (direction . ,RIGHT)
1450 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1451 (no-spacing-rods . #t)
1452 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1453 (font-shape . italic)
1454 (self-alignment-X . 0)
1455 (meta . ((class . Item)
1456 (interfaces . (text-interface
1457 self-alignment-interface
1458 font-interface))))))
1460 (SostenutoPedalLineSpanner
1464 (X-extent . ,ly:axis-group-interface::height)
1466 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1470 (minimum-space . 1.0)
1472 (meta . ((class . Spanner)
1473 (interfaces . (piano-pedal-interface
1474 axis-group-interface
1475 side-position-interface))))))
1479 (Y-extent . ,ly:staff-symbol::height)
1480 (stencil . ,ly:staff-symbol::print)
1482 (ledger-line-thickness . (1.0 . 0.1))
1484 (meta . ((class . Spanner)
1485 (interfaces . (staff-symbol-interface))))))
1489 (direction . ,ly:stem::calc-direction)
1490 (default-direction . ,ly:stem::calc-default-direction)
1491 (stem-end-position . ,ly:stem::calc-stem-end-position)
1492 (stem-info . ,ly:stem::calc-stem-info)
1493 (positioning-done . ,ly:stem::calc-positioning-done)
1494 (stencil . ,ly:stem::print)
1495 (X-extent . ,ly:stem::width)
1496 (Y-extent . ,ly:stem::height)
1497 (length . ,ly:stem::calc-length)
1503 ;; 3.5 (or 3 measured from note head) is standard length
1504 ;; 32nd, 64th flagged stems should be longer
1505 (lengths . (3.5 3.5 3.5 4.5 5.0))
1507 ;; FIXME. 3.5 yields too long beams (according to Ross and
1508 ;; looking at Baerenreiter examples) for a number of common
1509 ;; boundary cases. Subtracting half a beam thickness fixes
1510 ;; this, but the bug may well be somewhere else.
1512 ;; FIXME this should come from 'lengths
1513 (beamed-lengths . (3.26 3.5 3.6))
1515 ;; The 'normal' minima
1516 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1517 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1519 ;; The 'extreme case' minima
1520 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1522 ;; Stems in unnatural (forced) direction should be shortened by
1523 ;; one staff space, according to [Roush & Gourlay].
1524 ;; Flagged stems we shorten only half a staff space.
1525 (stem-shorten . (1.0 0.5))
1530 ;; default stem direction for note on middle line
1531 (neutral-direction . ,DOWN)
1533 ;; We use the normal minima as minimum for the ideal lengths,
1534 ;; and the extreme minima as abolute minimum length.
1536 (X-offset . ,ly:stem::offset-callback)
1537 (Y-offset . ,ly:staff-symbol-referencer::callback)
1538 (meta . ((class . Item)
1539 (interfaces . (stem-interface
1540 font-interface))))))
1544 (Y-extent . ,ly:stem-tremolo::height)
1545 (stencil . ,ly:stem-tremolo::print)
1547 (slope . ,ly:stem-tremolo::calc-slope)
1548 (beam-width . 1.6) ; staff-space
1549 (beam-thickness . 0.48) ; staff-space
1550 (meta . ((class . Item)
1551 (interfaces . (stem-tremolo-interface))))))
1555 (no-spacing-rods . #t)
1556 (stencil . ,ly:sustain-pedal::print)
1557 (self-alignment-X . 0)
1558 (direction . ,RIGHT)
1559 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1560 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1561 (meta . ((class . Item)
1562 (interfaces . (piano-pedal-interface
1563 text-spanner-interface
1565 self-alignment-interface
1566 font-interface))))))
1568 (SustainPedalLineSpanner
1571 (X-extent . ,ly:axis-group-interface::height)
1572 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1575 (staff-padding . 1.2)
1576 (minimum-space . 1.0)
1578 (meta . ((class . Spanner)
1579 (interfaces . (piano-pedal-interface
1580 axis-group-interface
1581 side-position-interface))))))
1586 (X-extent . ,ly:axis-group-interface::width)
1587 (Y-extent . ,ly:axis-group-interface::height)
1588 (meta . ((class . System)
1589 (interfaces . (system-interface
1590 axis-group-interface))))))
1596 (stencil . ,ly:system-start-delimiter::print)
1597 (collapse-height . 5.0)
1598 (X-offset . ,ly:side-position-interface::x-aligned-side)
1600 (font-encoding . fetaBraces)
1602 (meta . ((class . Spanner)
1603 (interfaces . (system-start-delimiter-interface
1604 side-position-interface
1605 font-interface))))))
1611 (X-offset . ,ly:side-position-interface::x-aligned-side)
1613 (stencil . ,ly:system-start-delimiter::print)
1614 (style . line-bracket)
1616 (meta . ((class . Spanner)
1617 (interfaces . (font-interface
1618 side-position-interface
1619 system-start-delimiter-interface))))))
1624 (X-offset . ,ly:side-position-interface::x-aligned-side)
1626 (stencil . ,ly:system-start-delimiter::print)
1628 (collapse-height . 5.0)
1630 (meta . ((class . Spanner)
1631 (interfaces . (font-interface
1632 side-position-interface
1633 system-start-delimiter-interface))))))
1639 (X-offset . ,ly:side-position-interface::x-aligned-side)
1643 (stencil . ,ly:system-start-delimiter::print)
1644 (meta . ((class . Spanner)
1645 (interfaces . (side-position-interface
1646 system-start-delimiter-interface))))))
1652 (stencil . ,ly:text-interface::print)
1653 (Y-offset . ,ly:staff-symbol-referencer::callback)
1655 (stem-attachment . (1.0 . 1.35))
1656 (font-series . bold)
1657 (meta . ((class . Item)
1659 . (rhythmic-head-interface
1660 font-interface rhythmic-grob-interface
1662 staff-symbol-referencer-interface
1663 text-interface))))))
1667 (no-spacing-rods . #t)
1668 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1671 ;; sync with Fingering ?
1673 (staff-padding . 0.5)
1675 (stencil . ,ly:text-interface::print)
1676 (direction . ,ly:script-interface::calc-direction)
1678 (avoid-slur . around)
1679 (slur-padding . 0.5)
1680 (script-priority . 200)
1681 ;; todo: add X self alignment?
1682 (meta . ((class . Item)
1683 (interfaces . (text-script-interface
1685 side-position-interface
1686 font-interface))))))
1690 (stencil . ,ly:text-spanner::print)
1691 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1692 (font-shape . italic)
1693 (style . dashed-line)
1694 (staff-padding . 0.8)
1695 (dash-fraction . 0.2)
1699 (meta . ((class . Spanner)
1700 (interfaces . (text-spanner-interface
1701 side-position-interface
1702 font-interface))))))
1706 (control-points . ,ly:tie::calc-control-points)
1707 (avoid-slur . inside)
1708 (direction . ,ly:tie::calc-direction)
1709 (stencil . ,ly:tie::print)
1711 ;; for a full list, see tie-helper.cc
1713 (center-staff-line-clearance . 0.6)
1714 (tip-staff-line-clearance . 0.45)
1715 (note-head-gap . 0.2)
1717 (height-limit . 1.0)
1718 (horizontal-distance-penalty-factor . 10)
1719 (tie-tie-collision-distance . 0.45)
1720 (tie-tie-collision-penalty . 25.0)
1721 (intra-space-threshold . 1.25)
1722 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1723 (outer-tie-length-symmetry-penalty-factor . 10)
1724 (between-length-limit . 1.0)))
1726 (line-thickness . 0.8)
1727 (meta . ((class . Spanner)
1728 (interfaces . (tie-interface))))
1733 (positioning-done . ,ly:tie-column::calc-positioning-done)
1734 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1737 (meta . ((class . Spanner)
1738 (interfaces . (tie-column-interface))))))
1742 (stencil . ,ly:time-signature::print)
1743 (break-align-symbol . time-signature)
1744 (break-visibility . ,all-visible)
1746 (first-note . (fixed-space . 2.0))
1747 (right-edge . (extra-space . 0.5))
1748 (staff-bar . (minimum-space . 2.0))))
1751 (meta . ((class . Item)
1752 (interfaces . (time-signature-interface
1753 break-aligned-interface
1754 font-interface))))))
1758 (stencil . ,ly:dynamic-text-spanner::print)
1759 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1762 (staff-padding . 1.0)
1765 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1767 (meta . ((class . Spanner)
1768 (interfaces . (text-spanner-interface
1769 side-position-interface
1770 font-interface))))))
1772 (TrillPitchAccidental
1773 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1778 (stencil . ,ly:accidental-interface::print)
1779 (meta . ((class . Item)
1780 (interfaces . (item-interface
1781 accidental-interface
1782 side-position-interface
1783 font-interface))))))
1786 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1789 (stencil . ,parenthesize-elements)
1790 (direction . ,RIGHT)
1793 (meta . ((class . Item)
1794 (interfaces . (side-position-interface
1796 rhythmic-head-interface
1798 accidental-interface
1799 axis-group-interface))))))
1803 (stencil . ,ly:note-head::print)
1805 (Y-offset . ,ly:staff-symbol-referencer::callback)
1807 (meta . ((class . Item)
1808 (interfaces . (item-interface
1809 rhythmic-head-interface
1811 pitched-trill-interface
1813 staff-symbol-referencer-interface))))))
1819 (edge-height . (0.7 . 0.7))
1820 (shorten-pair . (-0.2 . -0.2))
1821 (staff-padding . 0.25)
1823 (direction . ,ly:tuplet-bracket::calc-direction)
1824 (positions . ,ly:tuplet-bracket::calc-positions)
1825 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1826 (control-points . ,ly:tuplet-bracket::calc-control-points)
1827 (stencil . ,ly:tuplet-bracket::print)
1829 (meta . ((class . Spanner)
1830 (interfaces . (line-interface
1831 tuplet-bracket-interface))))))
1835 (stencil . ,ly:tuplet-number::print)
1836 (font-shape . italic)
1838 (avoid-slur . inside)
1839 (meta . ((class . Spanner)
1840 (interfaces . (text-interface tuplet-number-interface
1841 font-interface))))))
1845 (stencil . ,ly:text-interface::print)
1846 (font-shape . italic)
1847 (no-spacing-rods . #t)
1848 (self-alignment-X . 0)
1849 (direction . ,RIGHT)
1850 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1851 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1852 (meta . ((class . Item)
1853 (interfaces . (text-interface
1854 self-alignment-interface
1855 font-interface))))))
1857 (UnaCordaPedalLineSpanner
1860 (X-extent . ,ly:axis-group-interface::height)
1861 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1864 (staff-padding . 1.2)
1865 (minimum-space . 1.0)
1867 (meta . ((class . Spanner)
1868 (interfaces . (piano-pedal-interface
1869 axis-group-interface
1870 side-position-interface))))))
1876 (stencil . ,ly:vaticana-ligature::print)
1877 (meta . ((class . Spanner)
1878 (interfaces . (vaticana-ligature-interface
1879 font-interface))))))
1884 (positioning-done . ,ly:align-interface::calc-positioning-done)
1885 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1886 (Y-extent . ,ly:axis-group-interface::height)
1887 (X-extent . ,ly:axis-group-interface::width)
1889 (meta . ((class . Spanner)
1890 (interfaces . (align-interface
1891 axis-group-interface))))))
1895 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1897 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1898 (X-extent . ,ly:axis-group-interface::width)
1899 (meta . ((class . Spanner)
1900 (interfaces . (axis-group-interface
1901 hara-kiri-group-interface
1902 vertically-spaceable-interface))))))
1907 (stencil . ,ly:volta-bracket-interface::print)
1908 (after-line-breaking . ,ly:volta-bracket-interface::after-line-breaking)
1911 (font-encoding . fetaNumber)
1912 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1914 (thickness . 1.6) ;; line-thickness
1915 (edge-height . (2.0 . 2.0)) ;; staff-space;
1918 (meta . ((class . Spanner)
1919 (interfaces . (volta-bracket-interface
1920 horizontal-bracket-interface
1923 side-position-interface
1935 (stencil . ,ly:line-spanner::print)
1936 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1937 (meta . ((class . Spanner)
1938 (interfaces . (line-spanner-interface
1944 (define (completize-grob-entry x)
1945 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1947 ;; (display (car x))
1949 (let* ((name-sym (car x))
1950 (grob-entry (cdr x))
1951 (meta-entry (cdr (assoc 'meta grob-entry)))
1952 (class (cdr (assoc 'class meta-entry)))
1954 (cdr (assoc 'interfaces meta-entry))))
1958 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1959 ((eq? 'Spanner class)
1960 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1961 ((eq? 'Paper_column class)
1962 (set! ifaces-entry (cons 'item-interface
1963 (cons 'paper-column-interface ifaces-entry))))
1964 ((eq? 'System class)
1965 (set! ifaces-entry (cons 'system-interface
1966 (cons 'spanner-interface ifaces-entry))))
1968 (ly:warning "Unknown class ~a" class)))
1969 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1971 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1972 (set! meta-entry (assoc-set! meta-entry 'interfaces
1974 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1975 (cons name-sym grob-entry)))
1977 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1979 ;; (display (map pair? all-grob-descriptions))
1981 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1984 ;; (display (car x)) (newline)
1986 (set-object-property! (car x) 'translation-type? list?)
1987 (set-object-property! (car x) 'is-grob? #t))
1988 all-grob-descriptions)
1990 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))