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 (X-offset . ,ly:side-position-interface::x-aligned-side)
732 (Y-offset . ,ly:self-alignment-interface::y-aligned-on-self)
733 (self-alignment-Y . ,CENTER)
734 (meta . ((class . Spanner)
735 (interfaces . (system-start-text-interface
736 side-position-interface
742 (stencil . ,ly:key-signature-interface::print)
745 (time-signature . (extra-space . 1.25))
746 (staff-bar . (extra-space . 0.6))
747 (key-signature . (extra-space . 0.5))
748 (right-edge . (extra-space . 0.5))
749 (first-note . (fixed-space . 2.5))))
750 (Y-offset . ,ly:staff-symbol-referencer::callback)
751 (break-align-symbol . key-cancellation)
752 (break-visibility . ,begin-of-line-invisible)
755 (meta . ((class . Item)
756 (interfaces . (key-signature-interface
758 break-aligned-interface))))))
762 (stencil . ,ly:key-signature-interface::print)
765 (time-signature . (extra-space . 1.15))
766 (staff-bar . (extra-space . 1.1))
767 (right-edge . (extra-space . 0.5))
768 (first-note . (fixed-space . 2.5))))
769 (Y-offset . ,ly:staff-symbol-referencer::callback)
770 (break-align-symbol . key-signature)
771 (break-visibility . ,begin-of-line-visible)
774 (meta . ((class . Item)
775 (interfaces . (key-signature-interface
777 break-aligned-interface))))))
781 (stencil . ,ly:tie::print)
782 (control-points . ,ly:laissez-vibrer-tie::calc-control-points)
783 (direction . ,ly:laissez-vibrer-tie::calc-direction)
785 (details . ((ratio . 0.333)
786 (height-limit . 1.0)))
788 (meta . ((class . Item)
789 (interfaces . (laissez-vibrer-tie-interface))
793 (LaissezVibrerTieColumn
797 (positioning-done . ,ly:laissez-vibrer-tie-column::calc-positioning-done)
798 (meta . ((class . Item)
799 (interfaces . (laissez-vibrer-tie-column-interface))
806 (springs-and-rods . ,ly:ledger-line-spanner::set-spacing-rods)
808 (stencil . ,ly:ledger-line-spanner::print)
812 (minimum-length-fraction . 0.25)
813 (length-fraction . 0.25)
815 (meta . ((class . Spanner)
816 (interfaces . (ledger-line-interface))))))
820 (break-align-symbol . left-edge)
823 (break-visibility . ,center-invisible)
825 (custos . (extra-space . 0.0))
826 (ambitus . (extra-space . 2.0))
827 (time-signature . (extra-space . 1.0))
828 (staff-bar . (extra-space . 0.0))
829 (breathing-sign . (minimum-space . 0.0))
830 (clef . (extra-space . 0.8))
831 (first-note . (fixed-space . 2.0))
832 (right-edge . (extra-space . 0.0))
833 (key-signature . (extra-space . 0.0))
834 (key-cancellation . (extra-space . 0.0))
836 (meta . ((class . Item)
837 (interfaces . (break-aligned-interface))))))
841 ;; ugh. A ligature bracket is totally different from
846 (edge-height . (0.7 . 0.7))
847 (shorten-pair . (-0.2 . -0.2))
849 (positions . ,ly:tuplet-bracket::calc-positions)
850 (stencil . ,ly:tuplet-bracket::print)
851 (staff-padding . 0.25)
852 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
853 (control-points . ,ly:tuplet-bracket::calc-control-points)
854 (meta . ((class . Spanner)
855 (interfaces . (line-interface
856 tuplet-bracket-interface))))))
864 (minimum-length . 0.3)
865 (minimum-distance . 0.1)
867 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
869 (stencil . ,ly:hyphen-spanner::print)
872 (meta . ((class . Spanner)
873 (interfaces . (lyric-interface
875 lyric-hyphen-interface
876 spanner-interface))))))
881 (stencil . ,ly:lyric-extender::print)
883 (thickness . 0.8) ; line-thickness
884 (minimum-length . 1.5)
886 (meta . ((class . Spanner)
887 (interfaces . (lyric-interface
888 lyric-extender-interface))))))
891 . ((minimum-distance . 0.3)
892 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
896 (meta . ((class . Spanner)
897 (interfaces . (spanner-interface
898 lyric-hyphen-interface spacing-interface))
903 (stencil . ,ly:text-interface::print)
904 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
905 (self-alignment-X . 0)
907 (font-series . bold-narrow)
909 (meta . ((class . Item)
910 (interfaces . (rhythmic-grob-interface
911 lyric-syllable-interface
912 self-alignment-interface
919 (Y-offset . ,ly:side-position-interface::y-aligned-side)
922 (stencil . ,ly:measure-grouping::print)
929 (meta . ((class . Spanner)
930 (interfaces . (side-position-interface
931 measure-grouping-interface))))))
935 (neutral-direction . ,DOWN)
936 (meta . ((class . Item)
937 (interfaces . (melody-spanner-interface spacing-interface))))))
942 (stencil . ,ly:mensural-ligature::print)
944 (meta . ((class . Spanner)
945 (interfaces . (mensural-ligature-interface
950 (stencil . ,ly:text-interface::print)
951 (Y-offset . ,ly:side-position-interface::y-aligned-side)
955 (meta . ((class . Item)
956 (interfaces . (text-interface
957 side-position-interface
959 metronome-mark-interface))))))
964 (stencil . ,ly:multi-measure-rest::print)
965 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
966 (Y-offset . ,ly:staff-symbol-referencer::callback)
969 (thick-thickness . 6.6)
970 (hair-thickness . 2.0)
972 (meta . ((class . Spanner)
973 (interfaces . (multi-measure-rest-interface
974 multi-measure-interface
977 staff-symbol-referencer-interface))))))
980 (MultiMeasureRestNumber
982 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
983 (stencil . ,ly:text-interface::print)
984 (X-offset . ,(ly:make-simple-closure
985 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
986 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
987 (Y-offset . ,ly:side-position-interface::y-aligned-side)
990 (self-alignment-X . 0)
993 (staff-padding . 0.4)
994 (font-encoding . fetaNumber)
995 (meta . ((class . Spanner)
996 (interfaces . (side-position-interface
997 multi-measure-interface
998 self-alignment-interface
1003 (MultiMeasureRestText
1005 (stencil . ,ly:text-interface::print)
1006 (X-offset . ,(ly:make-simple-closure
1007 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1008 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1010 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1011 (self-alignment-X . 0)
1014 (staff-padding . 0.25)
1015 (meta . ((class . Spanner)
1016 (interfaces . (side-position-interface
1017 multi-measure-interface
1018 self-alignment-interface
1020 text-interface))))))
1026 (X-extent . ,ly:axis-group-interface::width)
1027 (Y-extent . ,ly:axis-group-interface::height)
1028 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1030 (meta . ((class . Item)
1031 (interfaces . (note-collision-interface
1032 axis-group-interface))))))
1037 (X-extent . ,ly:axis-group-interface::width)
1038 (Y-extent . ,ly:axis-group-interface::height)
1040 (meta . ((class . Item)
1041 (interfaces . (axis-group-interface
1042 note-column-interface))))))
1047 (stencil . ,ly:note-head::print)
1048 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1049 (glyph-name . ,note-head::calc-glyph-name)
1050 (Y-offset . ,ly:staff-symbol-referencer::callback)
1051 (X-offset . ,ly:note-head::stem-x-shift)
1052 (meta . ((class . Item)
1053 (interfaces . (rhythmic-grob-interface
1054 rhythmic-head-interface
1058 staff-symbol-referencer-interface))))))
1062 (stem-spacing-correction . 0.5)
1063 (same-direction-correction . 0.25)
1064 ;; Changed this from 0.75.
1065 ;; If you ever change this back, please document! --hwn
1066 (knee-spacing-correction . 1.0)
1068 (meta . ((class . Item)
1069 (interfaces . (spacing-interface
1070 note-spacing-interface))))))
1075 (stencil . ,ly:text-interface::print)
1077 (meta . ((class . Item)
1078 (interfaces . (note-name-interface
1080 font-interface))))))
1084 (self-alignment-X . 0)
1085 (break-visibility . ,begin-of-line-visible)
1086 (X-offset . ,(ly:make-simple-closure
1087 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1088 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1090 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1092 (stencil . ,ly:text-interface::print)
1095 ;; no Y dimensions, because of lyrics under tenor clef.
1096 (Y-extent . (0 . 0))
1097 (font-shape . italic)
1099 (staff-padding . 0.2)
1101 (meta . ((class . Item)
1102 (interfaces . (text-interface
1103 self-alignment-interface
1104 side-position-interface
1105 font-interface))))))
1109 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1111 (stencil . ,ly:ottava-bracket::print)
1113 (font-shape . italic)
1114 (shorten-pair . (0.0 . -0.6))
1115 (staff-padding . 1.0)
1117 (minimum-length . 1.0)
1118 (dash-fraction . 0.3)
1119 (edge-height . (0 . 1.2))
1121 (meta . ((class . Spanner)
1122 (interfaces . (ottava-bracket-interface
1123 horizontal-bracket-interface
1125 side-position-interface
1127 text-interface))))))
1133 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1134 ;; (stencil . ,ly:paper-column::print)
1135 (X-extent . ,ly:axis-group-interface::width)
1139 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1140 (meta . ((class . Paper_column)
1141 (interfaces . (paper-column-interface
1142 axis-group-interface
1143 spaceable-grob-interface))))))
1147 (stencil . ,parentheses-item::print)
1150 (meta . ((class . Item)
1151 (interfaces . (parentheses-interface font-interface))))
1155 . ((details . ,default-slur-details)
1157 (control-points . ,ly:slur::calc-control-points)
1158 (direction . ,ly:slur::calc-direction)
1159 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1160 (Y-extent . ,ly:slur::height)
1161 (stencil . ,ly:slur::print)
1165 (minimum-length . 1.5)
1166 (height-limit . 2.0)
1168 (meta . ((class . Spanner)
1169 (interfaces . (slur-interface))))))
1171 (NonMusicalPaperColumn
1175 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1176 (X-extent . ,ly:axis-group-interface::width)
1177 ;; (stencil . ,ly:paper-column::print)
1181 ;; debugging stuff: print column number.
1182 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1184 (meta . ((class . Paper_column)
1185 (interfaces . (paper-column-interface
1186 axis-group-interface
1187 spaceable-grob-interface))))))
1192 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1193 (stencil . ,ly:multi-measure-rest::percent)
1197 (font-encoding . fetaMusic)
1198 (meta . ((class . Spanner)
1199 (interfaces . (multi-measure-rest-interface
1201 percent-repeat-interface))))))
1202 (PercentRepeatCounter
1204 (stencil . ,ly:text-interface::print)
1205 (X-offset . ,(ly:make-simple-closure
1206 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1207 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1208 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1209 (self-alignment-X . 0)
1212 (staff-padding . 0.25)
1214 (font-encoding . fetaNumber)
1215 (meta . ((class . Spanner)
1216 (interfaces . (side-position-interface
1217 self-alignment-interface
1218 percent-repeat-interface
1220 text-interface))))))
1222 ;; an example of a text spanner
1226 (stencil . ,ly:piano-pedal-bracket::print)
1229 (bound-padding . 1.0)
1231 (bracket-flare . (0.5 . 0.5))
1232 (edge-height . (1.0 . 1.0))
1233 (shorten-pair . (0.0 . 0.0))
1235 (meta . ((class . Spanner)
1236 (interfaces . (line-interface
1237 piano-pedal-interface
1238 piano-pedal-bracket-interface))))))
1242 (stencil . ,ly:text-interface::print)
1243 (X-offset . ,(ly:make-simple-closure
1244 `(,+ ,(ly:make-simple-closure
1245 `(,ly:self-alignment-interface::x-aligned-on-self))
1246 ,(ly:make-simple-closure
1247 `(,ly:self-alignment-interface::centered-on-x-parent)))
1249 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1250 (self-alignment-X . 0)
1255 (break-visibility . ,end-of-line-invisible)
1257 (meta . ((class . Item)
1258 (interfaces . (text-interface
1259 side-position-interface
1262 self-alignment-interface))))))
1267 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1270 (meta . ((class . Item)
1271 (interfaces . (percent-repeat-interface))))))
1274 (stencil . ,ly:rest::print)
1275 (X-extent . ,ly:rest::width)
1276 (Y-extent . ,ly:rest::height)
1277 (Y-offset . ,ly:rest::y-offset-callback)
1278 (minimum-distance . 0.25)
1279 (meta . ((class . Item)
1280 (interfaces . (font-interface
1281 rhythmic-head-interface
1282 rhythmic-grob-interface
1283 staff-symbol-referencer-interface
1284 rest-interface))))))
1288 (minimum-distance . 0.75)
1289 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1291 (meta . ((class . Item)
1292 (interfaces . (rest-collision-interface))))))
1296 ;; don't set direction here: it breaks staccato.
1298 ;; This value is sensitive: if too large, staccato dots will move a
1301 (staff-padding . 0.25)
1302 ;; (script-priority . 0) priorities for scripts, see script.scm
1303 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1306 (stencil . ,ly:script-interface::print)
1307 (direction . ,ly:script-interface::calc-direction)
1309 (font-encoding . fetaMusic)
1310 (meta . ((class . Item)
1311 (interfaces . (script-interface
1312 side-position-interface
1313 font-interface))))))
1318 (before-line-breaking . ,ly:script-column::before-line-breaking)
1320 (meta . ((class . Item)
1321 (interfaces . (script-column-interface))))))
1327 (meta . ((class . Item)
1328 (interfaces . (spacing-interface
1329 separation-item-interface))))))
1331 (SeparatingGroupSpanner
1334 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1336 (meta . ((class . Spanner)
1337 (interfaces . (only-prebreak-interface
1339 separation-spanner-interface))))))
1342 . ((details . ,default-slur-details)
1344 (control-points . ,ly:slur::calc-control-points)
1345 (direction . ,ly:slur::calc-direction)
1346 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1347 (Y-extent . ,ly:slur::height)
1348 (stencil . ,ly:slur::print)
1351 (line-thickness . 0.8)
1352 (minimum-length . 1.5)
1354 (height-limit . 2.0)
1356 (meta . ((class . Spanner)
1357 (interfaces . (slur-interface))))))
1362 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1363 (average-spacing-wishes . #t)
1364 (grace-space-factor . 0.6)
1365 (shortest-duration-space . 2.0)
1366 (spacing-increment . 1.2)
1367 (base-shortest-duration . ,(ly:make-moment 3 16))
1368 (meta . ((class . Spanner)
1369 (interfaces . (spacing-interface
1370 spacing-spanner-interface))))))
1374 (break-align-symbol . staff-bar)
1379 (stencil . ,ly:span-bar::print)
1380 (bar-size . ,ly:span-bar::calc-bar-size)
1381 (X-extent . ,ly:span-bar::width)
1382 (glyph-name . ,ly:span-bar::calc-glyph-name)
1383 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1388 ;; Ross. page 151 lists other values, we opt for a leaner look
1392 (hair-thickness . 1.6)
1393 (thick-thickness . 6.0)
1394 (meta . ((class . Item)
1395 (interfaces . (span-bar-interface
1397 bar-line-interface))))))
1401 (stencil . ,ly:text-interface::print)
1403 (font-series . bold)
1405 (X-offset . ,ly:side-position-interface::x-aligned-side)
1408 (meta . ((class . Item)
1409 (interfaces . (side-position-interface
1410 stanza-number-interface
1412 font-interface))))))
1417 (stencil . ,print-circled-text-callback)
1420 (staff-padding . 0.5)
1421 (self-alignment-X . 0)
1422 (self-alignment-Y . 0)
1423 (script-priority . 100)
1424 (font-encoding . fetaNumber)
1425 (font-size . -5) ; don't overlap when next to heads.
1426 (meta . ((class . Item)
1427 (interfaces . (string-number-interface
1429 text-script-interface
1431 side-position-interface
1432 self-alignment-interface
1433 item-interface))))))
1438 (stem-spacing-correction . 0.4)
1439 (meta . ((class . Item)
1440 (interfaces . (spacing-interface
1441 staff-spacing-interface))))))
1446 (stencil . ,ly:text-interface::print)
1448 (direction . ,RIGHT)
1449 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1450 (no-spacing-rods . #t)
1451 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1452 (font-shape . italic)
1453 (self-alignment-X . 0)
1454 (meta . ((class . Item)
1455 (interfaces . (text-interface
1456 self-alignment-interface
1457 font-interface))))))
1459 (SostenutoPedalLineSpanner
1463 (X-extent . ,ly:axis-group-interface::height)
1465 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1469 (minimum-space . 1.0)
1471 (meta . ((class . Spanner)
1472 (interfaces . (piano-pedal-interface
1473 axis-group-interface
1474 side-position-interface))))))
1478 (Y-extent . ,ly:staff-symbol::height)
1479 (stencil . ,ly:staff-symbol::print)
1481 (ledger-line-thickness . (1.0 . 0.1))
1483 (meta . ((class . Spanner)
1484 (interfaces . (staff-symbol-interface))))))
1488 (direction . ,ly:stem::calc-direction)
1489 (default-direction . ,ly:stem::calc-default-direction)
1490 (stem-end-position . ,ly:stem::calc-stem-end-position)
1491 (stem-info . ,ly:stem::calc-stem-info)
1492 (positioning-done . ,ly:stem::calc-positioning-done)
1493 (stencil . ,ly:stem::print)
1494 (X-extent . ,ly:stem::width)
1495 (Y-extent . ,ly:stem::height)
1496 (length . ,ly:stem::calc-length)
1502 ;; 3.5 (or 3 measured from note head) is standard length
1503 ;; 32nd, 64th flagged stems should be longer
1504 (lengths . (3.5 3.5 3.5 4.5 5.0))
1506 ;; FIXME. 3.5 yields too long beams (according to Ross and
1507 ;; looking at Baerenreiter examples) for a number of common
1508 ;; boundary cases. Subtracting half a beam thickness fixes
1509 ;; this, but the bug may well be somewhere else.
1511 ;; FIXME this should come from 'lengths
1512 (beamed-lengths . (3.26 3.5 3.6))
1514 ;; The 'normal' minima
1515 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1516 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1518 ;; The 'extreme case' minima
1519 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1521 ;; Stems in unnatural (forced) direction should be shortened by
1522 ;; one staff space, according to [Roush & Gourlay].
1523 ;; Flagged stems we shorten only half a staff space.
1524 (stem-shorten . (1.0 0.5))
1529 ;; default stem direction for note on middle line
1530 (neutral-direction . ,DOWN)
1532 ;; We use the normal minima as minimum for the ideal lengths,
1533 ;; and the extreme minima as abolute minimum length.
1535 (X-offset . ,ly:stem::offset-callback)
1536 (Y-offset . ,ly:staff-symbol-referencer::callback)
1537 (meta . ((class . Item)
1538 (interfaces . (stem-interface
1539 font-interface))))))
1543 (Y-extent . ,ly:stem-tremolo::height)
1544 (stencil . ,ly:stem-tremolo::print)
1546 (slope . ,ly:stem-tremolo::calc-slope)
1547 (beam-width . 1.6) ; staff-space
1548 (beam-thickness . 0.48) ; staff-space
1549 (meta . ((class . Item)
1550 (interfaces . (stem-tremolo-interface))))))
1554 (no-spacing-rods . #t)
1555 (stencil . ,ly:sustain-pedal::print)
1556 (self-alignment-X . 0)
1557 (direction . ,RIGHT)
1558 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1559 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1560 (meta . ((class . Item)
1561 (interfaces . (piano-pedal-interface
1562 text-spanner-interface
1564 self-alignment-interface
1565 font-interface))))))
1567 (SustainPedalLineSpanner
1570 (X-extent . ,ly:axis-group-interface::height)
1571 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1574 (staff-padding . 1.2)
1575 (minimum-space . 1.0)
1577 (meta . ((class . Spanner)
1578 (interfaces . (piano-pedal-interface
1579 axis-group-interface
1580 side-position-interface))))))
1585 (X-extent . ,ly:axis-group-interface::width)
1586 (Y-extent . ,ly:axis-group-interface::height)
1587 (meta . ((class . System)
1588 (interfaces . (system-interface
1589 axis-group-interface))))))
1595 (stencil . ,ly:system-start-delimiter::print)
1596 (collapse-height . 5.0)
1597 (X-offset . ,ly:side-position-interface::x-aligned-side)
1599 (font-encoding . fetaBraces)
1601 (meta . ((class . Spanner)
1602 (interfaces . (system-start-delimiter-interface
1603 side-position-interface
1604 font-interface))))))
1610 (X-offset . ,ly:side-position-interface::x-aligned-side)
1612 (stencil . ,ly:system-start-delimiter::print)
1613 (style . line-bracket)
1615 (meta . ((class . Spanner)
1616 (interfaces . (font-interface
1617 side-position-interface
1618 system-start-delimiter-interface))))))
1623 (X-offset . ,ly:side-position-interface::x-aligned-side)
1625 (stencil . ,ly:system-start-delimiter::print)
1627 (collapse-height . 5.0)
1629 (meta . ((class . Spanner)
1630 (interfaces . (font-interface
1631 side-position-interface
1632 system-start-delimiter-interface))))))
1638 (X-offset . ,ly:side-position-interface::x-aligned-side)
1642 (stencil . ,ly:system-start-delimiter::print)
1643 (meta . ((class . Spanner)
1644 (interfaces . (side-position-interface
1645 system-start-delimiter-interface))))))
1651 (stencil . ,ly:text-interface::print)
1652 (Y-offset . ,ly:staff-symbol-referencer::callback)
1654 (stem-attachment . (1.0 . 1.35))
1655 (font-series . bold)
1656 (meta . ((class . Item)
1658 . (rhythmic-head-interface
1659 font-interface rhythmic-grob-interface
1661 staff-symbol-referencer-interface
1662 text-interface))))))
1666 (no-spacing-rods . #t)
1667 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1670 ;; sync with Fingering ?
1672 (staff-padding . 0.5)
1674 (stencil . ,ly:text-interface::print)
1675 (direction . ,ly:script-interface::calc-direction)
1677 (avoid-slur . around)
1678 (slur-padding . 0.5)
1679 (script-priority . 200)
1680 ;; todo: add X self alignment?
1681 (meta . ((class . Item)
1682 (interfaces . (text-script-interface
1684 side-position-interface
1685 font-interface))))))
1689 (stencil . ,ly:text-spanner::print)
1690 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1691 (font-shape . italic)
1692 (style . dashed-line)
1693 (staff-padding . 0.8)
1694 (dash-fraction . 0.2)
1698 (meta . ((class . Spanner)
1699 (interfaces . (text-spanner-interface
1700 side-position-interface
1701 font-interface))))))
1705 (control-points . ,ly:tie::calc-control-points)
1706 (avoid-slur . inside)
1707 (direction . ,ly:tie::calc-direction)
1708 (stencil . ,ly:tie::print)
1710 ;; for a full list, see tie-helper.cc
1712 (center-staff-line-clearance . 0.6)
1713 (tip-staff-line-clearance . 0.45)
1714 (note-head-gap . 0.2)
1716 (height-limit . 1.0)
1717 (horizontal-distance-penalty-factor . 10)
1718 (tie-tie-collision-distance . 0.45)
1719 (tie-tie-collision-penalty . 25.0)
1720 (intra-space-threshold . 1.25)
1721 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1722 (outer-tie-length-symmetry-penalty-factor . 10)
1723 (between-length-limit . 1.0)))
1725 (line-thickness . 0.8)
1726 (meta . ((class . Spanner)
1727 (interfaces . (tie-interface))))
1732 (positioning-done . ,ly:tie-column::calc-positioning-done)
1733 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1736 (meta . ((class . Spanner)
1737 (interfaces . (tie-column-interface))))))
1741 (stencil . ,ly:time-signature::print)
1742 (break-align-symbol . time-signature)
1743 (break-visibility . ,all-visible)
1745 (first-note . (fixed-space . 2.0))
1746 (right-edge . (extra-space . 0.5))
1747 (staff-bar . (minimum-space . 2.0))))
1750 (meta . ((class . Item)
1751 (interfaces . (time-signature-interface
1752 break-aligned-interface
1753 font-interface))))))
1757 (stencil . ,ly:dynamic-text-spanner::print)
1758 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1761 (staff-padding . 1.0)
1764 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1766 (meta . ((class . Spanner)
1767 (interfaces . (text-spanner-interface
1768 side-position-interface
1769 font-interface))))))
1771 (TrillPitchAccidental
1772 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1777 (stencil . ,ly:accidental-interface::print)
1778 (meta . ((class . Item)
1779 (interfaces . (item-interface
1780 accidental-interface
1781 side-position-interface
1782 font-interface))))))
1785 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1788 (stencil . ,parenthesize-elements)
1789 (direction . ,RIGHT)
1792 (meta . ((class . Item)
1793 (interfaces . (side-position-interface
1795 rhythmic-head-interface
1797 accidental-interface
1798 axis-group-interface))))))
1802 (stencil . ,ly:note-head::print)
1804 (Y-offset . ,ly:staff-symbol-referencer::callback)
1806 (meta . ((class . Item)
1807 (interfaces . (item-interface
1808 rhythmic-head-interface
1810 pitched-trill-interface
1812 staff-symbol-referencer-interface))))))
1818 (edge-height . (0.7 . 0.7))
1819 (shorten-pair . (-0.2 . -0.2))
1820 (staff-padding . 0.25)
1822 (direction . ,ly:tuplet-bracket::calc-direction)
1823 (positions . ,ly:tuplet-bracket::calc-positions)
1824 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1825 (control-points . ,ly:tuplet-bracket::calc-control-points)
1826 (stencil . ,ly:tuplet-bracket::print)
1828 (meta . ((class . Spanner)
1829 (interfaces . (line-interface
1830 tuplet-bracket-interface))))))
1834 (stencil . ,ly:tuplet-number::print)
1835 (font-shape . italic)
1837 (avoid-slur . inside)
1838 (meta . ((class . Spanner)
1839 (interfaces . (text-interface tuplet-number-interface
1840 font-interface))))))
1844 (stencil . ,ly:text-interface::print)
1845 (font-shape . italic)
1846 (no-spacing-rods . #t)
1847 (self-alignment-X . 0)
1848 (direction . ,RIGHT)
1849 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1850 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1851 (meta . ((class . Item)
1852 (interfaces . (text-interface
1853 self-alignment-interface
1854 font-interface))))))
1856 (UnaCordaPedalLineSpanner
1859 (X-extent . ,ly:axis-group-interface::height)
1860 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1863 (staff-padding . 1.2)
1864 (minimum-space . 1.0)
1866 (meta . ((class . Spanner)
1867 (interfaces . (piano-pedal-interface
1868 axis-group-interface
1869 side-position-interface))))))
1875 (stencil . ,ly:vaticana-ligature::print)
1876 (meta . ((class . Spanner)
1877 (interfaces . (vaticana-ligature-interface
1878 font-interface))))))
1883 (positioning-done . ,ly:align-interface::calc-positioning-done)
1884 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1885 (Y-extent . ,ly:axis-group-interface::height)
1886 (X-extent . ,ly:axis-group-interface::width)
1888 (meta . ((class . Spanner)
1889 (interfaces . (align-interface
1890 axis-group-interface))))))
1894 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1896 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1897 (X-extent . ,ly:axis-group-interface::width)
1898 (meta . ((class . Spanner)
1899 (interfaces . (axis-group-interface
1900 hara-kiri-group-interface
1901 vertically-spaceable-interface))))))
1906 (stencil . ,ly:volta-bracket-interface::print)
1907 (after-line-breaking . ,ly:volta-bracket-interface::after-line-breaking)
1910 (font-encoding . fetaNumber)
1911 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1913 (thickness . 1.6) ;; line-thickness
1914 (edge-height . (2.0 . 2.0)) ;; staff-space;
1917 (meta . ((class . Spanner)
1918 (interfaces . (volta-bracket-interface
1919 horizontal-bracket-interface
1922 side-position-interface
1934 (stencil . ,ly:line-spanner::print)
1935 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1936 (meta . ((class . Spanner)
1937 (interfaces . (line-spanner-interface
1943 (define (completize-grob-entry x)
1944 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1946 ;; (display (car x))
1948 (let* ((name-sym (car x))
1949 (grob-entry (cdr x))
1950 (meta-entry (cdr (assoc 'meta grob-entry)))
1951 (class (cdr (assoc 'class meta-entry)))
1953 (cdr (assoc 'interfaces meta-entry))))
1957 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1958 ((eq? 'Spanner class)
1959 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1960 ((eq? 'Paper_column class)
1961 (set! ifaces-entry (cons 'item-interface
1962 (cons 'paper-column-interface ifaces-entry))))
1963 ((eq? 'System class)
1964 (set! ifaces-entry (cons 'system-interface
1965 (cons 'spanner-interface ifaces-entry))))
1967 (ly:warning "Unknown class ~a" class)))
1968 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1970 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1971 (set! meta-entry (assoc-set! meta-entry 'interfaces
1973 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1974 (cons name-sym grob-entry)))
1976 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1978 ;; (display (map pair? all-grob-descriptions))
1980 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1983 ;; (display (car x)) (newline)
1985 (set-object-property! (car x) 'translation-type? list?)
1986 (set-object-property! (car x) 'is-grob? #t))
1987 all-grob-descriptions)
1989 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))