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)
853 (meta . ((class . Spanner)
854 (interfaces . (tuplet-bracket-interface
863 (minimum-length . 0.3)
864 (minimum-distance . 0.1)
866 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
868 (stencil . ,ly:hyphen-spanner::print)
871 (meta . ((class . Spanner)
872 (interfaces . (lyric-interface
874 lyric-hyphen-interface
875 spanner-interface))))))
880 (stencil . ,ly:lyric-extender::print)
882 (thickness . 0.8) ; line-thickness
883 (minimum-length . 1.5)
885 (meta . ((class . Spanner)
886 (interfaces . (lyric-interface
887 lyric-extender-interface))))))
890 . ((minimum-distance . 0.3)
891 (springs-and-rods . ,ly:hyphen-spanner::set-spacing-rods)
895 (meta . ((class . Spanner)
896 (interfaces . (spanner-interface
897 lyric-hyphen-interface spacing-interface))
902 (stencil . ,ly:text-interface::print)
903 (X-offset . ,ly:self-alignment-interface::aligned-on-x-parent)
904 (self-alignment-X . 0)
906 (font-series . bold-narrow)
908 (meta . ((class . Item)
909 (interfaces . (rhythmic-grob-interface
910 lyric-syllable-interface
911 self-alignment-interface
918 (Y-offset . ,ly:side-position-interface::y-aligned-side)
921 (stencil . ,ly:measure-grouping::print)
928 (meta . ((class . Spanner)
929 (interfaces . (side-position-interface
930 measure-grouping-interface))))))
934 (neutral-direction . ,DOWN)
935 (meta . ((class . Item)
936 (interfaces . (melody-spanner-interface spacing-interface))))))
941 (stencil . ,ly:mensural-ligature::print)
943 (meta . ((class . Spanner)
944 (interfaces . (mensural-ligature-interface
949 (stencil . ,ly:text-interface::print)
950 (Y-offset . ,ly:side-position-interface::y-aligned-side)
954 (meta . ((class . Item)
955 (interfaces . (text-interface
956 side-position-interface
958 metronome-mark-interface))))))
963 (stencil . ,ly:multi-measure-rest::print)
964 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
965 (Y-offset . ,ly:staff-symbol-referencer::callback)
968 (thick-thickness . 6.6)
969 (hair-thickness . 2.0)
971 (meta . ((class . Spanner)
972 (interfaces . (multi-measure-rest-interface
973 multi-measure-interface
976 staff-symbol-referencer-interface))))))
979 (MultiMeasureRestNumber
981 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
982 (stencil . ,ly:text-interface::print)
983 (X-offset . ,(ly:make-simple-closure
984 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
985 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent)))))
986 (Y-offset . ,ly:side-position-interface::y-aligned-side)
989 (self-alignment-X . 0)
992 (staff-padding . 0.4)
993 (font-encoding . fetaNumber)
994 (meta . ((class . Spanner)
995 (interfaces . (side-position-interface
996 multi-measure-interface
997 self-alignment-interface
1002 (MultiMeasureRestText
1004 (stencil . ,ly:text-interface::print)
1005 (X-offset . ,(ly:make-simple-closure
1006 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1007 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1009 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1010 (self-alignment-X . 0)
1013 (staff-padding . 0.25)
1014 (meta . ((class . Spanner)
1015 (interfaces . (side-position-interface
1016 multi-measure-interface
1017 self-alignment-interface
1019 text-interface))))))
1025 (X-extent . ,ly:axis-group-interface::width)
1026 (Y-extent . ,ly:axis-group-interface::height)
1027 (positioning-done . ,ly:note-collision-interface::calc-positioning-done)
1029 (meta . ((class . Item)
1030 (interfaces . (note-collision-interface
1031 axis-group-interface))))))
1036 (X-extent . ,ly:axis-group-interface::width)
1037 (Y-extent . ,ly:axis-group-interface::height)
1039 (meta . ((class . Item)
1040 (interfaces . (axis-group-interface
1041 note-column-interface))))))
1046 (stencil . ,ly:note-head::print)
1047 (stem-attachment . ,ly:note-head::calc-stem-attachment)
1048 (glyph-name . ,note-head::calc-glyph-name)
1049 (Y-offset . ,ly:staff-symbol-referencer::callback)
1050 (X-offset . ,ly:note-head::stem-x-shift)
1051 (meta . ((class . Item)
1052 (interfaces . (rhythmic-grob-interface
1053 rhythmic-head-interface
1057 staff-symbol-referencer-interface))))))
1061 (stem-spacing-correction . 0.5)
1062 (same-direction-correction . 0.25)
1063 ;; Changed this from 0.75.
1064 ;; If you ever change this back, please document! --hwn
1065 (knee-spacing-correction . 1.0)
1067 (meta . ((class . Item)
1068 (interfaces . (spacing-interface
1069 note-spacing-interface))))))
1074 (stencil . ,ly:text-interface::print)
1076 (meta . ((class . Item)
1077 (interfaces . (note-name-interface
1079 font-interface))))))
1083 (self-alignment-X . 0)
1084 (break-visibility . ,begin-of-line-visible)
1085 (X-offset . ,(ly:make-simple-closure
1086 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self))
1087 ,(ly:make-simple-closure (list ly:self-alignment-interface::centered-on-x-parent)))))
1089 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1091 (stencil . ,ly:text-interface::print)
1094 ;; no Y dimensions, because of lyrics under tenor clef.
1095 (Y-extent . (0 . 0))
1096 (font-shape . italic)
1098 (staff-padding . 0.2)
1100 (meta . ((class . Item)
1101 (interfaces . (text-interface
1102 self-alignment-interface
1103 side-position-interface
1104 font-interface))))))
1108 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1110 (stencil . ,ly:ottava-bracket::print)
1112 (font-shape . italic)
1113 (shorten-pair . (0.0 . -0.6))
1114 (staff-padding . 1.0)
1116 (minimum-length . 1.0)
1117 (dash-fraction . 0.3)
1118 (edge-height . (0 . 1.2))
1120 (meta . ((class . Spanner)
1121 (interfaces . (ottava-bracket-interface
1122 horizontal-bracket-interface
1124 side-position-interface
1126 text-interface))))))
1132 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1133 ;; (stencil . ,ly:paper-column::print)
1134 (X-extent . ,ly:axis-group-interface::width)
1138 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1139 (meta . ((class . Paper_column)
1140 (interfaces . (paper-column-interface
1141 axis-group-interface
1142 spaceable-grob-interface))))))
1145 . ((details . ,default-slur-details)
1147 (control-points . ,ly:slur::calc-control-points)
1148 (direction . ,ly:slur::calc-direction)
1149 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1150 (Y-extent . ,ly:slur::height)
1151 (stencil . ,ly:slur::print)
1155 (minimum-length . 1.5)
1156 (height-limit . 2.0)
1158 (meta . ((class . Spanner)
1159 (interfaces . (slur-interface))))))
1161 (NonMusicalPaperColumn
1165 (before-line-breaking . ,ly:paper-column::before-line-breaking)
1166 (X-extent . ,ly:axis-group-interface::width)
1167 ;; (stencil . ,ly:paper-column::print)
1171 ;; debugging stuff: print column number.
1172 ;; (font-size . -6) (font-name . "sans") (Y-extent . #f)
1174 (meta . ((class . Paper_column)
1175 (interfaces . (paper-column-interface
1176 axis-group-interface
1177 spaceable-grob-interface))))))
1182 (springs-and-rods . ,ly:multi-measure-rest::set-spacing-rods)
1183 (stencil . ,ly:multi-measure-rest::percent)
1187 (font-encoding . fetaMusic)
1188 (meta . ((class . Spanner)
1189 (interfaces . (multi-measure-rest-interface
1191 percent-repeat-interface))))))
1192 (PercentRepeatCounter
1194 (stencil . ,ly:text-interface::print)
1195 (X-offset . ,(ly:make-simple-closure
1196 `(,+ ,(ly:make-simple-closure (list ly:self-alignment-interface::x-centered-on-y-parent))
1197 ,(ly:make-simple-closure (list ly:self-alignment-interface::x-aligned-on-self)))))
1198 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1199 (self-alignment-X . 0)
1202 (staff-padding . 0.25)
1204 (font-encoding . fetaNumber)
1205 (meta . ((class . Spanner)
1206 (interfaces . (side-position-interface
1207 self-alignment-interface
1208 percent-repeat-interface
1210 text-interface))))))
1212 ;; an example of a text spanner
1216 (stencil . ,ly:piano-pedal-bracket::print)
1219 (bound-padding . 1.0)
1221 (bracket-flare . (0.5 . 0.5))
1222 (edge-height . (1.0 . 1.0))
1223 (shorten-pair . (0.0 . 0.0))
1225 (meta . ((class . Spanner)
1226 (interfaces . (line-interface
1227 piano-pedal-interface
1228 piano-pedal-bracket-interface))))))
1232 (stencil . ,ly:text-interface::print)
1233 (X-offset . ,(ly:make-simple-closure
1234 `(,+ ,(ly:make-simple-closure
1235 `(,ly:self-alignment-interface::x-aligned-on-self))
1236 ,(ly:make-simple-closure
1237 `(,ly:self-alignment-interface::centered-on-x-parent)))
1239 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1240 (self-alignment-X . 0)
1245 (break-visibility . ,end-of-line-invisible)
1247 (meta . ((class . Item)
1248 (interfaces . (text-interface
1249 side-position-interface
1252 self-alignment-interface))))))
1257 (stencil . ,ly:percent-repeat-item-interface::beat-slash)
1260 (meta . ((class . Item)
1261 (interfaces . (percent-repeat-interface))))))
1264 (stencil . ,ly:rest::print)
1265 (X-extent . ,ly:rest::width)
1266 (Y-extent . ,ly:rest::height)
1267 (Y-offset . ,ly:rest::y-offset-callback)
1268 (minimum-distance . 0.25)
1269 (meta . ((class . Item)
1270 (interfaces . (font-interface
1271 rhythmic-head-interface
1272 rhythmic-grob-interface
1273 staff-symbol-referencer-interface
1274 rest-interface))))))
1278 (minimum-distance . 0.75)
1279 (positioning-done . ,ly:rest-collision::calc-positioning-done)
1281 (meta . ((class . Item)
1282 (interfaces . (rest-collision-interface))))))
1286 ;; don't set direction here: it breaks staccato.
1288 ;; This value is sensitive: if too large, staccato dots will move a
1291 (staff-padding . 0.25)
1292 ;; (script-priority . 0) priorities for scripts, see script.scm
1293 (X-offset . , ly:self-alignment-interface::centered-on-x-parent)
1296 (stencil . ,ly:script-interface::print)
1297 (direction . ,ly:script-interface::calc-direction)
1299 (font-encoding . fetaMusic)
1300 (meta . ((class . Item)
1301 (interfaces . (script-interface
1302 side-position-interface
1303 font-interface))))))
1308 (before-line-breaking . ,ly:script-column::before-line-breaking)
1310 (meta . ((class . Item)
1311 (interfaces . (script-column-interface))))))
1317 (meta . ((class . Item)
1318 (interfaces . (spacing-interface
1319 separation-item-interface))))))
1321 (SeparatingGroupSpanner
1324 (springs-and-rods . ,ly:separating-group-spanner::set-spacing-rods)
1326 (meta . ((class . Spanner)
1327 (interfaces . (only-prebreak-interface
1329 separation-spanner-interface))))))
1332 . ((details . ,default-slur-details)
1334 (control-points . ,ly:slur::calc-control-points)
1335 (direction . ,ly:slur::calc-direction)
1336 (springs-and-rods . ,ly:spanner::set-spacing-rods)
1337 (Y-extent . ,ly:slur::height)
1338 (stencil . ,ly:slur::print)
1341 (minimum-length . 1.5)
1343 (height-limit . 2.0)
1345 (meta . ((class . Spanner)
1346 (interfaces . (slur-interface))))))
1351 (springs-and-rods . ,ly:spacing-spanner::set-springs)
1352 (average-spacing-wishes . #t)
1353 (grace-space-factor . 0.6)
1354 (shortest-duration-space . 2.0)
1355 (spacing-increment . 1.2)
1356 (base-shortest-duration . ,(ly:make-moment 3 16))
1357 (meta . ((class . Spanner)
1358 (interfaces . (spacing-interface
1359 spacing-spanner-interface))))))
1363 (break-align-symbol . staff-bar)
1368 (stencil . ,ly:span-bar::print)
1369 (bar-size . ,ly:span-bar::calc-bar-size)
1370 (X-extent . ,ly:span-bar::width)
1371 (glyph-name . ,ly:span-bar::calc-glyph-name)
1372 (before-line-breaking . ,ly:span-bar::before-line-breaking)
1377 ;; Ross. page 151 lists other values, we opt for a leaner look
1381 (hair-thickness . 1.6)
1382 (thick-thickness . 6.0)
1383 (meta . ((class . Item)
1384 (interfaces . (span-bar-interface
1386 bar-line-interface))))))
1390 (stencil . ,ly:text-interface::print)
1392 (font-series . bold)
1394 (X-offset . ,ly:side-position-interface::x-aligned-side)
1397 (meta . ((class . Item)
1398 (interfaces . (side-position-interface
1399 stanza-number-interface
1401 font-interface))))))
1406 (stencil . ,print-circled-text-callback)
1409 (staff-padding . 0.5)
1410 (self-alignment-X . 0)
1411 (self-alignment-Y . 0)
1412 (script-priority . 100)
1413 (font-encoding . fetaNumber)
1414 (font-size . -5) ; don't overlap when next to heads.
1415 (meta . ((class . Item)
1416 (interfaces . (string-number-interface
1418 text-script-interface
1420 side-position-interface
1421 self-alignment-interface
1422 item-interface))))))
1427 (stem-spacing-correction . 0.4)
1428 (meta . ((class . Item)
1429 (interfaces . (spacing-interface
1430 staff-spacing-interface))))))
1435 (stencil . ,ly:text-interface::print)
1437 (direction . ,RIGHT)
1438 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1439 (no-spacing-rods . #t)
1440 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1441 (font-shape . italic)
1442 (self-alignment-X . 0)
1443 (meta . ((class . Item)
1444 (interfaces . (text-interface
1445 self-alignment-interface
1446 font-interface))))))
1448 (SostenutoPedalLineSpanner
1452 (X-extent . ,ly:axis-group-interface::height)
1454 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1458 (minimum-space . 1.0)
1460 (meta . ((class . Spanner)
1461 (interfaces . (piano-pedal-interface
1462 axis-group-interface
1463 side-position-interface))))))
1467 (Y-extent . ,ly:staff-symbol::height)
1468 (stencil . ,ly:staff-symbol::print)
1470 (ledger-line-thickness . (1.0 . 0.1))
1472 (meta . ((class . Spanner)
1473 (interfaces . (staff-symbol-interface))))))
1477 (direction . ,ly:stem::calc-direction)
1478 (default-direction . ,ly:stem::calc-default-direction)
1479 (stem-end-position . ,ly:stem::calc-stem-end-position)
1480 (stem-info . ,ly:stem::calc-stem-info)
1481 (positioning-done . ,ly:stem::calc-positioning-done)
1482 (stencil . ,ly:stem::print)
1483 (X-extent . ,ly:stem::width)
1484 (Y-extent . ,ly:stem::height)
1485 (length . ,ly:stem::calc-length)
1491 ;; 3.5 (or 3 measured from note head) is standard length
1492 ;; 32nd, 64th flagged stems should be longer
1493 (lengths . (3.5 3.5 3.5 4.5 5.0))
1495 ;; FIXME. 3.5 yields too long beams (according to Ross and
1496 ;; looking at Baerenreiter examples) for a number of common
1497 ;; boundary cases. Subtracting half a beam thickness fixes
1498 ;; this, but the bug may well be somewhere else.
1500 ;; FIXME this should come from 'lengths
1501 (beamed-lengths . (3.26 3.5 3.6))
1503 ;; The 'normal' minima
1504 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1505 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1507 ;; The 'extreme case' minima
1508 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1510 ;; Stems in unnatural (forced) direction should be shortened by
1511 ;; one staff space, according to [Roush & Gourlay].
1512 ;; Flagged stems we shorten only half a staff space.
1513 (stem-shorten . (1.0 0.5))
1518 ;; default stem direction for note on middle line
1519 (neutral-direction . ,DOWN)
1521 ;; We use the normal minima as minimum for the ideal lengths,
1522 ;; and the extreme minima as abolute minimum length.
1524 (X-offset . ,ly:stem::offset-callback)
1525 (Y-offset . ,ly:staff-symbol-referencer::callback)
1526 (meta . ((class . Item)
1527 (interfaces . (stem-interface
1528 font-interface))))))
1532 (Y-extent . ,ly:stem-tremolo::height)
1533 (stencil . ,ly:stem-tremolo::print)
1535 (beam-width . 1.6) ; staff-space
1536 (beam-thickness . 0.48) ; staff-space
1537 (meta . ((class . Item)
1538 (interfaces . (stem-tremolo-interface))))))
1542 (no-spacing-rods . #t)
1543 (stencil . ,ly:sustain-pedal::print)
1544 (self-alignment-X . 0)
1545 (direction . ,RIGHT)
1546 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1547 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1548 (meta . ((class . Item)
1549 (interfaces . (piano-pedal-interface
1550 text-spanner-interface
1552 self-alignment-interface
1553 font-interface))))))
1555 (SustainPedalLineSpanner
1558 (X-extent . ,ly:axis-group-interface::height)
1559 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1562 (staff-padding . 1.2)
1563 (minimum-space . 1.0)
1565 (meta . ((class . Spanner)
1566 (interfaces . (piano-pedal-interface
1567 axis-group-interface
1568 side-position-interface))))))
1573 (X-extent . ,ly:axis-group-interface::width)
1574 (Y-extent . ,ly:axis-group-interface::height)
1575 (meta . ((class . System)
1576 (interfaces . (system-interface
1577 axis-group-interface))))))
1583 (stencil . ,ly:system-start-delimiter::print)
1584 (collapse-height . 5.0)
1585 (X-offset . ,ly:side-position-interface::x-aligned-side)
1587 (font-encoding . fetaBraces)
1589 (meta . ((class . Spanner)
1590 (interfaces . (system-start-delimiter-interface
1591 side-position-interface
1592 font-interface))))))
1598 (X-offset . ,ly:side-position-interface::x-aligned-side)
1600 (stencil . ,ly:system-start-delimiter::print)
1601 (style . line-bracket)
1603 (meta . ((class . Spanner)
1604 (interfaces . (font-interface
1605 side-position-interface
1606 system-start-delimiter-interface))))))
1611 (X-offset . ,ly:side-position-interface::x-aligned-side)
1613 (stencil . ,ly:system-start-delimiter::print)
1615 (collapse-height . 5.0)
1617 (meta . ((class . Spanner)
1618 (interfaces . (font-interface
1619 side-position-interface
1620 system-start-delimiter-interface))))))
1626 (X-offset . ,ly:side-position-interface::x-aligned-side)
1630 (stencil . ,ly:system-start-delimiter::print)
1631 (meta . ((class . Spanner)
1632 (interfaces . (side-position-interface
1633 system-start-delimiter-interface))))))
1639 (stencil . ,ly:text-interface::print)
1640 (Y-offset . ,ly:staff-symbol-referencer::callback)
1642 (stem-attachment . (1.0 . 1.35))
1643 (font-series . bold)
1644 (meta . ((class . Item)
1646 . (rhythmic-head-interface
1647 font-interface rhythmic-grob-interface
1649 staff-symbol-referencer-interface
1650 text-interface))))))
1654 (no-spacing-rods . #t)
1655 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1658 ;; sync with Fingering ?
1660 (staff-padding . 0.5)
1662 (stencil . ,ly:text-interface::print)
1663 (direction . ,ly:script-interface::calc-direction)
1665 (avoid-slur . around)
1666 (slur-padding . 0.5)
1667 (script-priority . 200)
1668 ;; todo: add X self alignment?
1669 (meta . ((class . Item)
1670 (interfaces . (text-script-interface
1672 side-position-interface
1673 font-interface))))))
1677 (stencil . ,ly:text-spanner::print)
1678 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1679 (font-shape . italic)
1680 (style . dashed-line)
1681 (staff-padding . 0.8)
1682 (dash-fraction . 0.2)
1686 (meta . ((class . Spanner)
1687 (interfaces . (text-spanner-interface
1688 side-position-interface
1689 font-interface))))))
1693 (control-points . ,ly:tie::calc-control-points)
1694 (avoid-slur . inside)
1695 (direction . ,ly:tie::calc-direction)
1696 (stencil . ,ly:tie::print)
1698 ;; for a full list, see tie-helper.cc
1700 (center-staff-line-clearance . 0.6)
1701 (tip-staff-line-clearance . 0.45)
1702 (note-head-gap . 0.2)
1704 (height-limit . 1.0)
1705 (horizontal-distance-penalty-factor . 10)
1706 (tie-tie-collision-distance . 0.45)
1707 (tie-tie-collision-penalty . 25.0)
1708 (intra-space-threshold . 1.25)
1709 (outer-tie-vertical-distance-symmetry-penalty-factor . 10)
1710 (outer-tie-length-symmetry-penalty-factor . 10)
1711 (between-length-limit . 1.0)))
1713 (meta . ((class . Spanner)
1714 (interfaces . (tie-interface))))
1719 (positioning-done . ,ly:tie-column::calc-positioning-done)
1720 (before-line-breaking . ,ly:tie-column::before-line-breaking)
1723 (meta . ((class . Spanner)
1724 (interfaces . (tie-column-interface))))))
1728 (stencil . ,ly:time-signature::print)
1729 (break-align-symbol . time-signature)
1730 (break-visibility . ,all-visible)
1732 (first-note . (fixed-space . 2.0))
1733 (right-edge . (extra-space . 0.5))
1734 (staff-bar . (minimum-space . 2.0))))
1737 (meta . ((class . Item)
1738 (interfaces . (time-signature-interface
1739 break-aligned-interface
1740 font-interface))))))
1744 (stencil . ,ly:dynamic-text-spanner::print)
1745 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1748 (staff-padding . 1.0)
1751 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1753 (meta . ((class . Spanner)
1754 (interfaces . (text-spanner-interface
1755 side-position-interface
1756 font-interface))))))
1758 (TrillPitchAccidental
1759 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1764 (stencil . ,ly:accidental-interface::print)
1765 (meta . ((class . Item)
1766 (interfaces . (item-interface
1767 accidental-interface
1768 side-position-interface
1769 font-interface))))))
1772 . ((X-offset . ,ly:side-position-interface::x-aligned-side)
1775 (stencil . ,parenthesize-elements)
1776 (direction . ,RIGHT)
1779 (meta . ((class . Item)
1780 (interfaces . (side-position-interface
1782 rhythmic-head-interface
1784 accidental-interface
1785 axis-group-interface))))))
1789 (stencil . ,ly:note-head::print)
1791 (Y-offset . ,ly:staff-symbol-referencer::callback)
1793 (meta . ((class . Item)
1794 (interfaces . (item-interface
1795 rhythmic-head-interface
1797 pitched-trill-interface
1799 staff-symbol-referencer-interface))))))
1805 (edge-height . (0.7 . 0.7))
1806 (shorten-pair . (-0.2 . -0.2))
1807 (staff-padding . 0.25)
1809 (direction . ,ly:tuplet-bracket::calc-direction)
1810 (positions . ,ly:tuplet-bracket::calc-positions)
1811 (connect-to-neighbor . ,ly:tuplet-bracket::calc-connect-to-neighbors)
1812 (control-points . ,ly:tuplet-bracket::calc-control-points)
1813 (stencil . ,ly:tuplet-bracket::print)
1815 (meta . ((class . Spanner)
1816 (interfaces . (line-interface
1817 tuplet-bracket-interface))))))
1821 (stencil . ,ly:tuplet-number::print)
1822 (font-shape . italic)
1824 (avoid-slur . inside)
1825 (meta . ((class . Spanner)
1826 (interfaces . (text-interface tuplet-number-interface
1827 font-interface))))))
1831 (stencil . ,ly:text-interface::print)
1832 (font-shape . italic)
1833 (no-spacing-rods . #t)
1834 (self-alignment-X . 0)
1835 (direction . ,RIGHT)
1836 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1837 (X-offset . ,ly:self-alignment-interface::x-aligned-on-self)
1838 (meta . ((class . Item)
1839 (interfaces . (text-interface
1840 self-alignment-interface
1841 font-interface))))))
1843 (UnaCordaPedalLineSpanner
1846 (X-extent . ,ly:axis-group-interface::height)
1847 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1850 (staff-padding . 1.2)
1851 (minimum-space . 1.0)
1853 (meta . ((class . Spanner)
1854 (interfaces . (piano-pedal-interface
1855 axis-group-interface
1856 side-position-interface))))))
1862 (stencil . ,ly:vaticana-ligature::print)
1863 (meta . ((class . Spanner)
1864 (interfaces . (vaticana-ligature-interface
1865 font-interface))))))
1870 (positioning-done . ,ly:align-interface::calc-positioning-done)
1871 (after-line-breaking . ,ly:align-interface::stretch-after-break)
1872 (Y-extent . ,ly:axis-group-interface::height)
1873 (X-extent . ,ly:axis-group-interface::width)
1875 (meta . ((class . Spanner)
1876 (interfaces . (align-interface
1877 axis-group-interface))))))
1881 (Y-offset . ,ly:hara-kiri-group-spanner::force-hara-kiri-callback)
1883 (Y-extent . ,ly:hara-kiri-group-spanner::y-extent)
1884 (X-extent . ,ly:axis-group-interface::width)
1885 (meta . ((class . Spanner)
1886 (interfaces . (axis-group-interface
1887 hara-kiri-group-interface
1888 vertically-spaceable-interface))))))
1893 (stencil . ,ly:volta-bracket-interface::print)
1894 (after-line-breaking . ,ly:volta-bracket-interface::after-line-breaking)
1897 (font-encoding . fetaNumber)
1898 (Y-offset . ,ly:side-position-interface::y-aligned-side)
1900 (thickness . 1.6) ;; line-thickness
1901 (edge-height . (2.0 . 2.0)) ;; staff-space;
1904 (meta . ((class . Spanner)
1905 (interfaces . (volta-bracket-interface
1906 horizontal-bracket-interface
1909 side-position-interface
1921 (stencil . ,ly:line-spanner::print)
1922 (after-line-breaking . ,ly:line-spanner::after-line-breaking)
1923 (meta . ((class . Spanner)
1924 (interfaces . (line-spanner-interface
1930 (define (completize-grob-entry x)
1931 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1933 ;; (display (car x))
1935 (let* ((name-sym (car x))
1936 (grob-entry (cdr x))
1937 (meta-entry (cdr (assoc 'meta grob-entry)))
1938 (class (cdr (assoc 'class meta-entry)))
1940 (cdr (assoc 'interfaces meta-entry))))
1944 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1945 ((eq? 'Spanner class)
1946 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1947 ((eq? 'Paper_column class)
1948 (set! ifaces-entry (cons 'item-interface
1949 (cons 'paper-column-interface ifaces-entry))))
1950 ((eq? 'System class)
1951 (set! ifaces-entry (cons 'system-interface
1952 (cons 'spanner-interface ifaces-entry))))
1954 (ly:warning "Unknown class ~a" class)))
1955 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1957 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1958 (set! meta-entry (assoc-set! meta-entry 'interfaces
1960 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1961 (cons name-sym grob-entry)))
1963 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1965 ;; (display (map pair? all-grob-descriptions))
1967 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1970 ;; (display (car x)) (newline)
1972 (set-object-property! (car x) 'translation-type? list?)
1973 (set-object-property! (car x) 'is-grob? #t))
1974 all-grob-descriptions)
1976 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))