1 ;;;; define-grobs.scm --
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
6 ;;;; Jan Nieuwenhuizen <janneke@gnu.org>
8 ;;;; distances are given in linethickness (thicknesses) and
9 ;;;; staffspace (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)
24 (callbacks . ((stencil . ,Accidental_interface::print)
25 (after-line-breaking . ,Accidental_interface::after_line_breaking)))
27 (meta . ((class . Item)
28 (interfaces . (accidental-interface
34 (callbacks . ((stencil . ,Accidental_interface::print)))
35 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
36 ,Self_alignment_interface::aligned_on_self))
37 (self-alignment-X . ,CENTER)
39 (cautionary-style . smaller)
40 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
41 (cautionary-style . parentheses)
43 (staff-padding . 0.25)
45 (meta . ((class . Item)
46 (interfaces . (side-position-interface
49 accidental-suggestion-interface
50 self-alignment-interface
53 . ((X-extent-callback . ,Axis_group_interface::group_extent_callback)
55 (callbacks . ((positioning-done . ,Accidental_placement::calc_positioning_done)
57 ;; this is quite small, but it is very ugly to have
58 ;; accs closer to the previous note than to the next one.
59 (right-padding . 0.15)
60 (meta . ((class . Item)
61 (interfaces . (accidental-placement-interface))))))
65 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
66 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
68 (clef . (extra-space . 0.5))
69 (key-signature . (extra-space . 0.0))
70 (staff-bar . (extra-space . 0.0))
71 (time-signature . (extra-space . 0.0))
72 (first-note . (fixed-space . 0.0))))
74 (break-align-symbol . ambitus)
75 (break-visibility . ,begin-of-line-visible)
76 (meta . ((class . Item)
77 (interfaces . (axis-group-interface
78 break-aligned-interface
79 ambitus-interface))))))
83 (callbacks . ( (stencil . ,Ambitus::print)))
86 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
88 (meta . ((class . Item)
89 (interfaces . (ambitus-interface
90 staff-symbol-referencer-interface
96 (X-offset-callbacks . (,Side_position_interface::aligned_side))
98 (cautionary-style . parentheses)
99 (callbacks . ((stencil . ,Accidental_interface::print)
100 (after-line-breaking . ,Accidental_interface::after_line_breaking)
102 (meta . ((class . Item)
103 (interfaces . (item-interface
105 break-aligned-interface
106 side-position-interface
112 (callbacks . ((stencil . ,Note_head::print)
113 (glyph-name . ,note-head::calc-glyph-name)
115 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
116 (meta . ((class . Item)
117 (interfaces . (font-interface
120 staff-symbol-referencer-interface
121 rhythmic-head-interface
122 ledgered-interface))))))
126 (X-extent-callback . ,Arpeggio::width_callback)
127 (callbacks . ( (stencil . ,Arpeggio::print)))
128 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
129 (X-offset-callbacks . (,Side_position_interface::aligned_side))
132 (staff-position . 0.0)
133 (meta . ((class . Item)
134 (interfaces . (arpeggio-interface
135 staff-symbol-referencer-interface
136 side-position-interface
141 (break-align-symbol . staff-bar)
144 (break-visibility . ,all-visible)
146 (callbacks . ((stencil . ,Bar_line::print)
147 (glyph-name . ,bar-line::calc-glyph-name)
148 (bar-size . ,Bar_line::calc_bar_size)
151 (time-signature . (extra-space . 0.75))
152 (custos . (minimum-space . 2.0))
153 (clef . (minimum-space . 1.0))
154 (key-signature . (extra-space . 1.0))
155 (key-cancellation . (extra-space . 1.0))
156 (first-note . (fixed-space . 1.3))
157 (next-note . (semi-fixed-space . 1.3))
158 (right-edge . (extra-space . 0.0))))
161 ;; Ross. page 151 lists other values, we opt for a leaner look
164 ;; kern should scale with linethickness too.
167 (hair-thickness . 1.9)
168 (thick-thickness . 6.0)
169 (meta . ((class . Item)
170 (interfaces . (bar-line-interface
171 break-aligned-interface
176 (callbacks . ((stencil . ,Text_interface::print)))
178 (break-visibility . ,begin-of-line-visible)
181 (font-family . roman)
183 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
184 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
185 (self-alignment-X . 1)
189 (interfaces . (side-position-interface
191 self-alignment-interface
193 break-aligned-interface))))
198 (callbacks . ((stencil . ,Text_interface::print)))
199 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
201 (font-family . number)
203 ;; We must do this, other BFs in
204 ;; layout16 become too small.
207 (meta . ((class . Item)
208 (interfaces . (text-interface
209 rhythmic-grob-interface
210 bass-figure-interface
211 self-alignment-interface
216 (callbacks . ( (stencil . ,Text_interface::print)))
217 (meta . ((class . Item)
218 (interfaces . (text-interface
219 rhythmic-grob-interface
220 bass-figure-interface
223 . ((callbacks . ((stencil . ,Enclosing_bracket::print)))
224 (edge-height . (0.2 . 0.2))
225 (meta . ((class . Item)
226 (interfaces . (enclosing-bracket-interface)) ))
228 (BassFigureContinuation
230 (callbacks . ( (stencil . ,Figured_bass_continuation::print)))
231 (Y-offset-callbacks . (,Figured_bass_continuation::center_on_figures))
232 (meta . ((class . Spanner)
233 (interfaces . (figured-bass-continuation-interface))
238 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
239 (meta . ((class . Spanner)
240 (interfaces . (axis-group-interface
246 (threshold . (2 . 1000))
247 (callbacks . ((positioning-done . ,Align_interface::calc_positioning_done)
249 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
251 (meta . ((class . Spanner)
252 (interfaces . (align-interface
253 axis-group-interface))))))
257 ;; todo: clean this up a bit: the list is getting
260 (position-callbacks . (,Beam::least_squares
263 ,Beam::shift_region_to_valid
265 (callbacks . ((positions . ,Beam::calc_positions)
266 (direction . ,Beam::calc_direction)
267 (stencil . ,Beam::print)
270 ;; TODO: should be in SLT.
271 (thickness . 0.48) ; in staff-space
272 (neutral-direction . -1)
274 ;; Whe have some unreferenced problems here.
276 ;; If we shorten beamed stems less than normal stems (1 staffspace),
277 ;; or high order less than 8th beams, patterns like
278 ;; c''4 [c''8 c''] c''4 [c''16 c]
279 ;; are ugly (different stem lengths).
281 ;; But if we shorten 16th beams as much as 8th beams, a single
282 ;; forced 16th beam looks *very* short.
284 ;; We choose to shorten 8th beams the same as single stems,
285 ;; and high order beams less than 8th beams, so that all
286 ;; isolated shortened beams look nice and a bit shortened,
287 ;; sadly possibly breaking patterns with high order beams.
288 (beamed-stem-shorten . (1.0 0.5 0.25))
290 (flag-width-function . ,beam-flag-width-function)
292 (auto-knee-gap . 5.5)
294 ;; only for debugging.
295 (font-family . roman)
297 (space-function . ,Beam::space_function)
298 (meta . ((class . Spanner)
299 (interfaces . (staff-symbol-referencer-interface
306 (callbacks . ((positioning-done . ,Break_align_interface::calc_positioning_done)
308 (break-align-orders . ;; end of line
330 time-signature custos)
344 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
345 (meta . ((class . Item)
346 (interfaces . (break-alignment-interface
347 axis-group-interface))))))
352 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
353 (meta . ((class . Item)
354 (interfaces . (break-aligned-interface
355 axis-group-interface))))))
359 (break-align-symbol . breathing-sign)
362 (ambitus . (extra-space . 2.0))
363 (custos . (minimum-space . 1.0))
364 (key-signature . (minimum-space . 1.5))
365 (staff-bar . (minimum-space . 1.5))
366 (clef . (minimum-space . 2.0))
367 (first-note . (fixed-space . 1.0)) ;huh?
368 (right-edge . (extra-space . 0.1))))
369 (callbacks . ((stencil . ,Text_interface::print)))
370 (text . ,(make-musicglyph-markup "scripts.rcomma"))
371 (Y-offset-callbacks . (,Breathing_sign::offset_callback))
372 (break-visibility . ,begin-of-line-invisible)
373 (meta . ((class . Item)
374 (interfaces . (break-aligned-interface
375 breathing-sign-interface
381 (callbacks . ((stencil . ,Clef::print)
382 (glyph-name . ,Clef::calc_glyph_name)
385 (font-family . music)
386 (break-align-symbol . clef)
387 (break-visibility . ,begin-of-line-visible)
388 (space-alist . ((ambitus . (extra-space . 2.0))
389 (staff-bar . (extra-space . 0.7))
390 (key-cancellation . (minimum-space . 4.0))
391 (key-signature . (minimum-space . 4.0))
392 (time-signature . (minimum-space . 4.2))
393 (first-note . (minimum-fixed-space . 5.0))
394 (next-note . (extra-space . 0.5))
395 (right-edge . (extra-space . 0.5))))
396 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
397 (meta . ((class . Item)
398 (interfaces . (clef-interface
399 staff-symbol-referencer-interface
401 break-aligned-interface))))))
403 (ClusterSpannerBeacon
405 (Y-extent-callback . ,Cluster_beacon::height)
406 (meta . ((class . Item)
407 (interfaces . (cluster-beacon-interface))))))
411 (callbacks . ((springs-and-rods . ,Spanner::set_spacing_rods)
412 (stencil . ,Cluster::print)))
414 (minimum-length . 0.0)
417 (meta . ((class . Spanner)
418 (interfaces . (cluster-interface))))))
422 (callbacks . ((stencil . ,Text_interface::print)
423 (after-line-breaking . ,Chord_name::after_line_breaking)
428 (meta . ((class . Item)
429 (interfaces . (font-interface
430 rhythmic-grob-interface
437 (callbacks . ((stencil . ,Text_interface::print)))
438 (no-spacing-rods . #t)
439 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
440 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
443 (staff-padding . 0.5)
444 (script-priority . 200)
445 ;; todo: add X self alignment?
448 (meta . ((class . Item)
449 (interfaces . (text-script-interface
451 side-position-interface
456 (break-align-symbol . custos)
458 (callbacks . ((stencil . ,Custos::print)))
459 (break-visibility . ,end-of-line-visible)
461 (neutral-direction . -1)
462 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
464 (first-note . (minimum-fixed-space . 0.0))
465 (right-edge . (extra-space . 0.1))))
466 (meta . ((class . Item)
469 staff-symbol-referencer-interface
471 break-aligned-interface))))))
477 (callbacks . ((positioning-done . ,Dot_column::calc_positioning_done)
479 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
480 (X-offset-callbacks . (,Dot_column::side_position))
481 (meta . ((class . Item)
482 (interfaces . (dot-column-interface
483 axis-group-interface))))))
487 (callbacks . ((stencil . ,Dots::print)))
489 (meta . ((class . Item)
490 (interfaces . (font-interface
491 staff-symbol-referencer-interface
496 (callbacks . ((stencil . ,Percent_repeat_item_interface::double_percent)))
499 (font-encoding . fetaMusic)
502 (break-align-symbol . staff-bar)
503 (break-visibility . ,begin-of-line-invisible)
504 (meta . ((class . Item)
505 (interfaces . (font-interface
506 break-aligned-interface
507 percent-repeat-interface))))))
509 (DoublePercentRepeatCounter
511 (callbacks . ((stencil . ,Text_interface::print)))
512 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
513 ,Self_alignment_interface::centered_on_other_axis_parent))
514 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
515 (font-encoding . fetaNumber)
516 (self-alignment-X . 0)
520 (staff-padding . 0.25)
521 (meta . ((class . Item)
522 (interfaces . (side-position-interface
523 self-alignment-interface
524 percent-repeat-interface
530 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
531 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
532 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
533 (staff-padding . 0.1)
535 (avoid-slur . outside)
537 (minimum-space . 1.2)
540 (meta . ((class . Spanner)
541 (interfaces . (axis-group-interface
543 dynamic-line-spanner-interface
544 side-position-interface))))))
550 (callbacks . ((stencil . ,Text_interface::print)
551 (direction . ,Script_interface::calc_direction)))
552 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
553 (self-alignment-X . 0)
554 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
555 (self-alignment-Y . 0)
557 (font-encoding . fetaDynamic)
558 (font-shape . italic)
559 (no-spacing-rods . #t)
560 (script-priority . 100)
561 (meta . ((class . Item)
562 (interfaces . (font-interface
564 self-alignment-interface
566 script-interface))))))
570 (callbacks . ((stencil . ,Dynamic_text_spanner::print)))
571 ;; rather ugh with NCSB
572 ;; (font-series . bold)
573 (font-shape . italic)
574 (style . dashed-line)
576 ;; need to blend with dynamic texts.
578 (bound-padding . 0.75)
579 (dash-fraction . 0.2)
581 (meta . ((class . Spanner)
582 (interfaces . (font-interface
585 dynamic-text-spanner-interface
586 spanner-interface))))))
591 ;; sync with TextScript (?)
594 (avoid-slur . around)
596 (staff-padding . 0.5)
597 (self-alignment-X . 0)
598 (self-alignment-Y . 0)
599 (script-priority . 100)
600 (callbacks . ((stencil . ,Text_interface::print)
601 (direction . ,Script_interface::calc_direction)))
602 (font-encoding . fetaNumber)
603 (font-size . -5) ; don't overlap when next to heads.
604 (meta . ((class . Item)
605 (interfaces . (finger-interface
607 text-script-interface
609 side-position-interface
610 self-alignment-interface
616 (zigzag-width . 0.75)
618 (X-extent-callback . #f)
619 (Y-extent-callback . #f)
620 (callbacks . ((stencil . ,Line_spanner::print)
621 (after-line-breaking . ,Line_spanner::after_line_breaking)
624 (meta . ((class . Spanner)
625 (interfaces . (line-interface
626 line-spanner-interface))))))
632 (meta . ((class . Item)
633 (interfaces . (grid-point-interface))))))
637 (callbacks . (stencil . ,Grid_line_interface::print))
638 (X-extent-callback . ,Grid_line_interface::width_callback)
639 (self-alignment-X . ,CENTER)
640 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
641 ,Self_alignment_interface::centered_on_parent))
643 (meta . ((class . Item)
644 (interfaces . (self-alignment-interface
645 grid-line-interface))))))
650 (callbacks . ((stencil . ,Hairpin::print)
651 (springs-and-rods . ,Spanner::set_spacing_rods)
652 (after-line-breaking . ,Hairpin::after_line_breaking)))
655 (minimum-length . 2.0)
656 (bound-padding . 1.0)
657 (self-alignment-Y . 0)
658 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
659 (meta . ((class . Spanner)
660 (interfaces . (hairpin-interface
662 self-alignment-interface
664 spanner-interface))))))
669 (callbacks . ((stencil . ,Horizontal_bracket::print)))
670 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
672 (staff-padding . 0.2)
674 (bracket-flare . (0.5 . 0.5))
675 (meta . ((class . Spanner)
676 (interfaces . (horizontal-bracket-interface
677 side-position-interface
679 spanner-interface))))))
683 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
684 ,Side_position_interface::aligned_on_support_refpoints))
685 ;; This direction is for aligned_on_support_refpoints
689 (left-edge . (extra-space . 1.0))))
691 (self-alignment-Y . 0)
692 (callbacks . ((stencil . ,Text_interface::print)))
693 (break-align-symbol . instrument-name)
694 (break-visibility . ,begin-of-line-visible)
696 (meta . ((class . Item)
697 (interfaces . (font-interface
698 self-alignment-interface
699 side-position-interface
701 break-aligned-interface))))))
705 (callbacks . ((stencil . ,Key_signature_interface::print)))
707 (time-signature . (extra-space . 1.25))
708 (staff-bar . (extra-space . 0.6))
709 (key-signature . (extra-space . 0.5))
710 (right-edge . (extra-space . 0.5))
711 (first-note . (fixed-space . 2.5))))
712 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
713 (break-align-symbol . key-cancellation)
714 (break-visibility . ,begin-of-line-invisible)
717 (meta . ((class . Item)
718 (interfaces . (key-signature-interface
720 break-aligned-interface))))))
723 (callbacks . ((stencil . ,Key_signature_interface::print)))
725 (time-signature . (extra-space . 1.25))
726 (staff-bar . (extra-space . 1.1))
727 (right-edge . (extra-space . 0.5))
728 (first-note . (fixed-space . 2.5))))
729 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
730 (break-align-symbol . key-signature)
731 (break-visibility . ,begin-of-line-visible)
734 (meta . ((class . Item)
735 (interfaces . (key-signature-interface
737 break-aligned-interface))))))
740 (callbacks . ((stencil . ,Tie::print)
741 (control-points . ,Laissez_vibrer_tie::calc_control_points)
742 (direction . ,Laissez_vibrer_tie::calc_direction)
744 (details . ((ratio . 0.333)
745 (height-limit . 1.0)))
747 (meta . ((class . Item)
748 (interfaces . (laissez-vibrer-tie-interface))
752 (LaissezVibrerTieColumn
754 (X-extent-callback . #f)
755 (Y-extent-callback . #f)
756 (callbacks . ((positioning-done . ,Laissez_vibrer_tie_column::calc_positioning_done)
758 (meta . ((class . Item)
759 (interfaces . (laissez-vibrer-tie-column-interface))
765 (callbacks . ((springs-and-rods . ,Ledger_line_spanner::set_spacing_rods)
767 (stencil . ,Ledger_line_spanner::print)))
768 (X-extent-callback . #f)
769 (Y-extent-callback . #f)
770 (minimum-length-fraction . 0.25)
771 (length-fraction . 0.25)
773 (meta . ((class . Spanner)
774 (interfaces . (ledger-line-interface))))))
778 (break-align-symbol . left-edge)
781 (break-visibility . ,center-invisible)
783 (custos . (extra-space . 0.0))
784 (ambitus . (extra-space . 2.0))
785 (time-signature . (extra-space . 1.0))
786 (staff-bar . (extra-space . 0.0))
787 (breathing-sign . (minimum-space . 0.0))
788 (clef . (extra-space . 0.8))
789 (first-note . (fixed-space . 2.0))
790 (right-edge . (extra-space . 0.0))
791 (key-signature . (extra-space . 0.0))
792 (key-cancellation . (extra-space . 0.0))
794 (meta . ((class . Item)
795 (interfaces . (break-aligned-interface))))))
799 (ligature-primitive-callback . ,Note_head::print)
801 ;; ugh. A ligature bracket is totally different from
803 (callbacks . ((direction . ,Tuplet_bracket::calc_direction)
804 (positions . ,Tuplet_bracket::calc_positions)
805 (stencil . ,Tuplet_bracket::print)
811 (edge-height . (0.7 . 0.7))
812 (shorten-pair . (-0.2 . -0.2))
813 (meta . ((class . Spanner)
814 (interfaces . (tuplet-bracket-interface
823 (minimum-length . 0.3)
825 ; (springs-and-rods . ,Hyphen_spanner::set_spacing_rods)
826 (callbacks . ((stencil . ,Hyphen_spanner::print)))
828 (meta . ((class . Spanner)
829 (interfaces . (lyric-interface
830 lyric-hyphen-interface
831 spanner-interface))))))
835 (callbacks . ((stencil . ,Lyric_extender::print)))
836 (thickness . 0.8) ; linethickness
837 (minimum-length . 1.5)
839 (meta . ((class . Spanner)
840 (interfaces . (lyric-interface
841 lyric-extender-interface))))))
844 . ((callbacks . ((stencil . ,Text_interface::print)))
845 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
846 (self-alignment-X . 0)
848 (font-series . bold-narrow)
850 (meta . ((class . Item)
851 (interfaces . (rhythmic-grob-interface
852 lyric-syllable-interface
853 self-alignment-interface
861 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
862 (callbacks . ((stencil . ,Mensural_ligature::print)))
863 (meta . ((class . Spanner)
864 (interfaces . (mensural-ligature-interface
869 (callbacks . ((stencil . ,Text_interface::print)))
870 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
873 (meta . ((class . Item)
874 (interfaces . (text-interface
875 side-position-interface
877 metronome-mark-interface))))))
880 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
881 (callbacks . (stencil . ,Measure_grouping::print))
887 (meta . ((class . Spanner)
888 (interfaces . (side-position-interface
889 measure-grouping-interface))))))
892 (callbacks . ((stencil . ,Multi_measure_rest::print)))
893 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
896 (thick-thickness . 6.6)
897 (hair-thickness . 2.0)
899 (meta . ((class . Spanner)
900 (interfaces . (multi-measure-rest-interface
901 multi-measure-interface
904 staff-symbol-referencer-interface))))))
906 (MultiMeasureRestNumber
908 (callbacks . ((springs-and-rods . ,Multi_measure_rest::set_spacing_rods)
909 (stencil . ,Text_interface::print)))
910 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
911 ,Self_alignment_interface::centered_on_other_axis_parent))
912 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
913 (self-alignment-X . 0)
916 (staff-padding . 0.4)
917 (font-encoding . fetaNumber)
918 (meta . ((class . Spanner)
919 (interfaces . (side-position-interface
920 multi-measure-interface
921 self-alignment-interface
925 (MultiMeasureRestText
927 (callbacks . ((stencil . ,Text_interface::print)))
928 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
929 ,Self_alignment_interface::centered_on_other_axis_parent))
930 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
931 (self-alignment-X . 0)
934 (staff-padding . 0.25)
935 (meta . ((class . Spanner)
936 (interfaces . (side-position-interface
937 multi-measure-interface
938 self-alignment-interface
945 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
946 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
947 (callbacks . ((positioning-done . ,Note_collision_interface::calc_positioning_done)
949 (meta . ((class . Item)
950 (interfaces . (note-collision-interface
951 axis-group-interface))))))
956 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
957 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
958 (meta . ((class . Item)
959 (interfaces . (axis-group-interface
960 note-column-interface))))))
964 (callbacks . ((stencil . ,Note_head::print)
965 (stem-attachment . ,Note_head::calc_stem_attachment)
966 (glyph-name . ,note-head::calc-glyph-name)
970 (ligature-primitive-callback . ,Note_head::print)
971 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
972 (X-offset-callbacks . (,Note_head::stem_x_shift))
973 (meta . ((class . Item)
974 (interfaces . (rhythmic-grob-interface
975 rhythmic-head-interface
979 staff-symbol-referencer-interface))))))
983 (stem-spacing-correction . 0.5)
984 (same-direction-correction . 0.25)
985 ;; Changed this from 0.75.
986 ;; If you ever change this back, please document! --hwn
987 (knee-spacing-correction . 1.0)
989 (meta . ((class . Item)
990 (interfaces . (spacing-interface
991 note-spacing-interface))))))
995 (callbacks . ((stencil . ,Text_interface::print)))
996 (meta . ((class . Item)
997 (interfaces . (note-name-interface
1003 (self-alignment-X . 0)
1004 (break-visibility . ,begin-of-line-visible)
1005 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
1006 ,Self_alignment_interface::aligned_on_self))
1007 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1008 (callbacks . ((stencil . ,Text_interface::print)))
1010 ;; no Y dimensions, because of lyrics under tenor clef.
1011 (Y-extent . (0 . 0))
1012 (font-shape . italic)
1014 (staff-padding . 0.2)
1016 (meta . ((class . Item)
1017 (interfaces . (text-interface
1018 self-alignment-interface
1019 side-position-interface
1020 font-interface))))))
1024 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1025 (callbacks . ((stencil . ,Ottava_bracket::print)))
1026 (font-shape . italic)
1027 (shorten-pair . (0.0 . -0.6))
1028 (staff-padding . 1.0)
1030 (minimum-length . 1.0)
1031 (dash-fraction . 0.3)
1032 (edge-height . (0 . 1.2))
1034 (meta . ((class . Spanner)
1035 (interfaces . (ottava-bracket-interface
1036 horizontal-bracket-interface
1038 side-position-interface
1040 text-interface))))))
1045 (callbacks . ((before-line-breaking . ,Paper_column::before_line_breaking)
1046 ;; (stencil . ,Paper_column::print)
1048 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1051 ;; (font-size . -6) (font-name . "sans") (Y-extent-callback . #f)
1052 (meta . ((class . Paper_column)
1053 (interfaces . (paper-column-interface
1054 axis-group-interface
1055 spaceable-grob-interface))))))
1058 . ((slur-details . ,default-slur-details)
1059 (callbacks . ((control-points . ,Slur::calc_control_points)
1060 (direction . ,Slur::calc_direction)
1061 (springs-and-rods . ,Spanner::set_spacing_rods)
1062 (stencil . ,Slur::print)
1066 (minimum-length . 1.5)
1067 (Y-extent-callback . ,Slur::height)
1068 (height-limit . 2.0)
1070 (meta . ((class . Spanner)
1071 (interfaces . (slur-interface))))))
1073 (NonMusicalPaperColumn
1076 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1077 (callbacks . ((before-line-breaking . ,Paper_column::before_line_breaking)
1078 ;; (stencil . ,Paper_column::print)
1082 ;; debugging stuff: print column number.
1083 ;; (font-size . -6) (font-name . "sans") (Y-extent-callback . #f)
1085 (meta . ((class . Paper_column)
1086 (interfaces . (paper-column-interface
1087 axis-group-interface
1088 spaceable-grob-interface))))))
1092 (callbacks . ((springs-and-rods . ,Multi_measure_rest::set_spacing_rods)
1093 (stencil . ,Multi_measure_rest::percent)))
1096 (font-encoding . fetaMusic)
1097 (meta . ((class . Spanner)
1098 (interfaces . (multi-measure-rest-interface
1100 percent-repeat-interface))))))
1101 (PercentRepeatCounter
1102 . ((callbacks . ((stencil . ,Text_interface::print)))
1103 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
1104 ,Self_alignment_interface::centered_on_other_axis_parent))
1105 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1106 (self-alignment-X . 0)
1109 (staff-padding . 0.25)
1111 (font-encoding . fetaNumber)
1112 (meta . ((class . Spanner)
1113 (interfaces . (side-position-interface
1114 self-alignment-interface
1115 percent-repeat-interface
1117 text-interface))))))
1119 ;; an example of a text spanner
1122 (callbacks . ((stencil . ,Piano_pedal_bracket::print)))
1124 (bound-padding . 1.0)
1126 (bracket-flare . (0.5 . 0.5))
1127 (edge-height . (1.0 . 1.0))
1128 (shorten-pair . (0.0 . 0.0))
1130 (meta . ((class . Spanner)
1131 (interfaces . (line-interface
1132 piano-pedal-interface
1133 piano-pedal-bracket-interface))))))
1137 (callbacks . ((stencil . ,Text_interface::print)))
1138 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1139 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1140 (callbacks . ((after-line-breaking . ,shift-right-at-line-begin)))
1141 (self-alignment-X . 0)
1146 (break-visibility . ,end-of-line-invisible)
1148 (meta . ((class . Item)
1149 (interfaces . (text-interface
1150 side-position-interface
1153 self-alignment-interface))))))
1155 (RemoveEmptyVerticalGroup
1157 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
1158 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
1160 (meta . ((class . Spanner)
1161 (interfaces . (axis-group-interface
1162 vertically-spaceable-interface
1163 hara-kiri-group-interface
1164 spanner-interface))))))
1168 (callbacks . ((stencil . ,Percent_repeat_item_interface::beat_slash)))
1171 (meta . ((class . Item)
1172 (interfaces . (percent-repeat-interface))))))
1175 (X-extent-callback . ,Rest::extent_callback)
1176 (Y-extent-callback . ,Rest::extent_callback)
1177 (callbacks . ((stencil . ,Rest::print)))
1178 (Y-offset-callbacks . (
1179 ,Staff_symbol_referencer::callback
1180 ,Rest::polyphonic_offset_callback
1181 ,Rest::y_offset_callback
1183 (minimum-distance . 0.25)
1184 (meta . ((class . Item)
1185 (interfaces . (font-interface
1186 rhythmic-head-interface
1187 rhythmic-grob-interface
1188 staff-symbol-referencer-interface
1189 rest-interface))))))
1193 (minimum-distance . 0.75)
1194 (callbacks . ((positioning-done . ,Rest_collision::calc_positioning_done)
1196 (meta . ((class . Item)
1197 (interfaces . (rest-collision-interface))))))
1201 ;; don't set direction here: it breaks staccato.
1203 ;; This value is sensitive: if too large, staccato dots will move a
1206 (staff-padding . 0.25)
1207 ;; (script-priority . 0) priorities for scripts, see script.scm
1208 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
1209 (callbacks . ((stencil . ,Script_interface::print)
1210 (direction . ,Script_interface::calc_direction)))
1211 (font-encoding . fetaMusic)
1212 (meta . ((class . Item)
1213 (interfaces . (script-interface
1214 side-position-interface
1215 font-interface))))))
1219 (callbacks . ((before-line-breaking . ,Script_column::before_line_breaking)))
1220 (meta . ((class . Item)
1221 (interfaces . (script-column-interface))))))
1225 (X-extent-callback . #f)
1226 (Y-extent-callback . #f)
1227 (meta . ((class . Item)
1228 (interfaces . (spacing-interface
1229 separation-item-interface))))))
1231 (SeparatingGroupSpanner
1233 (callbacks . ((springs-and-rods . ,Separating_group_spanner::set_spacing_rods)
1235 (meta . ((class . Spanner)
1236 (interfaces . (only-prebreak-interface
1238 separation-spanner-interface))))))
1241 . ((slur-details . ,default-slur-details)
1242 (callbacks . ((control-points . ,Slur::calc_control_points)
1243 (direction . ,Slur::calc_direction)
1244 (springs-and-rods . ,Spanner::set_spacing_rods)
1245 (stencil . ,Slur::print)
1248 (minimum-length . 1.5)
1249 (Y-extent-callback . ,Slur::height)
1251 (height-limit . 2.0)
1253 (meta . ((class . Spanner)
1254 (interfaces . (slur-interface))))))
1258 (callbacks . ((springs-and-rods . ,Spacing_spanner::set_springs)))
1259 (grace-space-factor . 0.6)
1260 (shortest-duration-space . 2.0)
1261 (spacing-increment . 1.2)
1262 (base-shortest-duration . ,(ly:make-moment 3 16))
1263 (meta . ((class . Spanner)
1264 (interfaces . (spacing-interface
1265 spacing-spanner-interface))))))
1269 (break-align-symbol . staff-bar)
1270 (X-extent-callback . ,Span_bar::width_callback)
1271 (Y-extent-callback . ())
1274 (callbacks . ((stencil . ,Span_bar::print)
1275 (bar-size . ,Span_bar::calc_bar_size)
1276 (glyph-name . ,Span_bar::calc_glyph_name)
1277 (before-line-breaking . ,Span_bar::before_line_breaking)))
1281 ;; Ross. page 151 lists other values, we opt for a leaner look
1285 (hair-thickness . 1.6)
1286 (thick-thickness . 6.0)
1287 (meta . ((class . Item)
1288 (interfaces . (span-bar-interface
1290 bar-line-interface))))))
1293 . ((callbacks . ((stencil . ,Text_interface::print)))
1294 (font-series . bold)
1296 (X-offset-callbacks . (,Side_position_interface::aligned_side))
1298 (meta . ((class . Item)
1299 (interfaces . (side-position-interface
1300 stanza-number-interface
1302 font-interface))))))
1306 (callbacks . ((stencil . ,print-circled-text-callback)))
1308 (staff-padding . 0.5)
1309 (self-alignment-X . 0)
1310 (self-alignment-Y . 0)
1311 (script-priority . 100)
1312 (font-encoding . fetaNumber)
1313 (font-size . -5) ; don't overlap when next to heads.
1314 (meta . ((class . Item)
1315 (interfaces . (string-number-interface
1317 text-script-interface
1319 side-position-interface
1320 self-alignment-interface
1321 item-interface))))))
1326 (stem-spacing-correction . 0.4)
1327 (meta . ((class . Item)
1328 (interfaces . (spacing-interface
1329 staff-spacing-interface))))))
1333 (callbacks . ((stencil . ,Text_interface::print)))
1335 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1336 (no-spacing-rods . #t)
1337 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1338 (font-shape . italic)
1339 (self-alignment-X . 0)
1340 (meta . ((class . Item)
1341 (interfaces . (text-interface
1342 self-alignment-interface
1343 font-interface))))))
1345 (SostenutoPedalLineSpanner
1348 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1349 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1352 (minimum-space . 1.0)
1354 (meta . ((class . Spanner)
1355 (interfaces . (piano-pedal-interface
1356 axis-group-interface
1357 side-position-interface))))))
1361 (callbacks . ((stencil . ,Staff_symbol::print)))
1363 (ledger-line-thickness . (1.0 . 0.1))
1365 (meta . ((class . Spanner)
1366 (interfaces . (staff-symbol-interface))))))
1370 ;; this list is rather long. Trim --hwn
1371 (callbacks . ((direction . ,Stem::calc_direction)
1372 (stem-end-position . ,Stem::calc_stem_end_position)
1373 (stem-info . ,Stem::calc_stem_info)
1374 (positioning-done . ,Stem::calc_positioning_done)
1375 (stencil . ,Stem::print)
1376 (length . ,Stem::calc_length)
1382 ;; 3.5 (or 3 measured from note head) is standard length
1383 ;; 32nd, 64th flagged stems should be longer
1384 (lengths . (3.5 3.5 3.5 4.5 5.0))
1386 ;; FIXME. 3.5 yields too long beams (according to Ross and
1387 ;; looking at Baerenreiter examples) for a number of common
1388 ;; boundary cases. Subtracting half a beam thickness fixes
1389 ;; this, but the bug may well be somewhere else.
1391 ;; FIXME this should come from 'lengths
1392 (beamed-lengths . (3.26 3.5 3.6))
1394 ;; The 'normal' minima
1395 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1396 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1398 ;; The 'extreme case' minima
1399 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1401 ;; Stems in unnatural (forced) direction should be shortened by
1402 ;; one staff space, according to [Roush & Gourlay].
1403 ;; Flagged stems we shorten only half a staff space.
1404 (stem-shorten . (1.0 0.5))
1409 ;; default stem direction for note on middle line
1410 (neutral-direction . -1)
1412 ;; We use the normal minima as minimum for the ideal lengths,
1413 ;; and the extreme minima as abolute minimum length.
1415 (X-offset-callbacks . (,Stem::offset_callback))
1416 (X-extent-callback . ,Stem::width_callback)
1417 (Y-extent-callback . ,Stem::height)
1418 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1419 (meta . ((class . Item)
1420 (interfaces . (stem-interface
1421 font-interface))))))
1425 (callbacks . ((stencil . ,Stem_tremolo::print)))
1426 (Y-extent-callback . ,Stem_tremolo::height)
1427 (X-extent-callback . #f)
1429 (beam-width . 1.6) ; staff-space
1430 (beam-thickness . 0.48) ; staff-space
1431 (meta . ((class . Item)
1432 (interfaces . (stem-tremolo-interface))))))
1436 (no-spacing-rods . #t)
1437 (callbacks . ((stencil . ,Sustain_pedal::print)))
1438 (self-alignment-X . 0)
1440 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1441 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1442 (meta . ((class . Item)
1443 (interfaces . (piano-pedal-interface
1444 text-spanner-interface
1446 self-alignment-interface
1447 font-interface))))))
1449 (SustainPedalLineSpanner
1452 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1453 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1456 (staff-padding . 1.2)
1457 (minimum-space . 1.0)
1459 (meta . ((class . Spanner)
1460 (interfaces . (piano-pedal-interface
1461 axis-group-interface
1462 side-position-interface))))))
1467 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1468 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1469 (meta . ((class . System)
1470 (interfaces . (system-interface
1471 axis-group-interface))))))
1476 (callbacks . ((stencil . ,System_start_delimiter::print)))
1477 (collapse-height . 5.0)
1478 (font-encoding . fetaBraces)
1479 (Y-extent-callback . #f)
1480 (meta . ((class . Spanner)
1481 (interfaces . (system-start-delimiter-interface
1482 font-interface))))))
1486 (Y-extent-callback . #f)
1487 (X-offset-callbacks . (,(lambda (g a) -0.8)))
1488 (callbacks . ((stencil . ,System_start_delimiter::print)))
1490 (collapse-height . 5.0)
1492 (meta . ((class . Spanner)
1493 (interfaces . (font-interface
1494 system-start-delimiter-interface))))))
1498 (Y-extent-callback . #f)
1499 (glyph . "bar-line")
1501 (callbacks . ((stencil . ,System_start_delimiter::print)
1503 (meta . ((class . Spanner)
1504 (interfaces . (system-start-delimiter-interface))))))
1508 (callbacks . ((stencil . ,Text_interface::print)))
1509 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1511 (stem-attachment . (1.0 . 1.35))
1512 (font-series . bold)
1513 (meta . ((class . Item)
1515 . (rhythmic-head-interface
1518 staff-symbol-referencer-interface
1519 text-interface))))))
1523 (no-spacing-rods . #t)
1524 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1527 ;; sync with Fingering ?
1529 (staff-padding . 0.5)
1530 (callbacks . ((stencil . ,Text_interface::print)
1531 (direction . ,Script_interface::calc_direction)))
1532 (avoid-slur . around)
1533 (slur-padding . 0.5)
1534 (script-priority . 200)
1535 ;; todo: add X self alignment?
1536 (meta . ((class . Item)
1537 (interfaces . (text-script-interface
1539 side-position-interface
1540 font-interface))))))
1544 (callbacks .((stencil . ,Text_spanner::print)))
1545 (font-shape . italic)
1546 (style . dashed-line)
1547 (staff-padding . 0.8)
1548 (dash-fraction . 0.2)
1551 (meta . ((class . Spanner)
1552 (interfaces . (text-spanner-interface
1553 side-position-interface
1554 font-interface))))))
1558 (callbacks . ((control-points . ,Tie::calc_control_points)
1559 (direction . ,Tie::calc_direction)
1560 (stencil . ,Tie::print)
1562 (details . ((ratio . 0.333)
1563 (height-limit . 1.0)
1564 (between-length-limit . 1.0)))
1566 (meta . ((class . Spanner)
1567 (interfaces . (tie-interface))))
1572 (callbacks . ((positioning-done . ,Tie_column::calc_positioning_done)
1573 (before-line-breaking . ,Tie_column::before_line_breaking)
1575 (X-extent-callback . #f)
1576 (Y-extent-callback . #f)
1578 (meta . ((class . Spanner)
1579 (interfaces . (tie-column-interface))))))
1583 (callbacks . ((stencil . ,Time_signature::print)))
1584 (break-align-symbol . time-signature)
1585 (break-visibility . ,all-visible)
1587 (first-note . (fixed-space . 2.0))
1588 (right-edge . (extra-space . 0.5))
1589 (staff-bar . (minimum-space . 2.0))))
1592 (meta . ((class . Item)
1593 (interfaces . (time-signature-interface
1594 break-aligned-interface
1595 font-interface))))))
1599 (callbacks . ((stencil . ,Dynamic_text_spanner::print)))
1600 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1603 (staff-padding . 1.0)
1606 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1607 (meta . ((class . Spanner)
1608 (interfaces . (text-spanner-interface
1609 side-position-interface
1610 font-interface))))))
1612 (TrillPitchAccidental
1613 . ((X-offset-callbacks . (,Side_position_interface::aligned_side))
1617 (callbacks . ((stencil . ,Accidental_interface::print)))
1618 (meta . ((class . Item)
1619 (interfaces . (item-interface
1620 accidental-interface
1621 side-position-interface
1622 font-interface))))))
1625 . ((X-offset-callbacks . (,Side_position_interface::aligned_side))
1628 (callbacks . ((stencil . ,parenthesize-elements)))
1629 (direction . ,RIGHT)
1631 (meta . ((class . Item)
1632 (interfaces . (side-position-interface
1634 rhythmic-head-interface
1636 accidental-interface
1637 axis-group-interface))))))
1640 . ((callbacks . ((stencil . ,Note_head::print)))
1642 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1644 (meta . ((class . Item)
1645 (interfaces . (item-interface
1646 rhythmic-head-interface
1648 pitched-trill-interface
1650 staff-symbol-referencer-interface))))))
1656 (edge-height . (0.7 . 0.7))
1657 (shorten-pair . (-0.2 . -0.2))
1658 (callbacks . ((direction . ,Tuplet_bracket::calc_direction)
1659 (positions . ,Tuplet_bracket::calc_positions)
1660 (stencil . ,Tuplet_bracket::print)
1662 (font-shape . italic)
1665 (meta . ((class . Spanner)
1666 (interfaces . (text-interface
1668 tuplet-bracket-interface
1669 font-interface))))))
1673 (callbacks . ((stencil . ,Text_interface::print)))
1674 (font-shape . italic)
1675 (no-spacing-rods . #t)
1676 (self-alignment-X . 0)
1678 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1679 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1680 (meta . ((class . Item)
1681 (interfaces . (text-interface
1682 self-alignment-interface
1683 font-interface))))))
1685 (UnaCordaPedalLineSpanner
1688 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1689 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1691 (staff-padding . 1.2)
1692 (minimum-space . 1.0)
1694 (meta . ((class . Spanner)
1695 (interfaces . (piano-pedal-interface
1696 axis-group-interface
1697 side-position-interface))))))
1703 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1704 (callbacks . ((stencil . ,Vaticana_ligature::print)))
1705 (meta . ((class . Spanner)
1706 (interfaces . (vaticana-ligature-interface
1707 font-interface))))))
1712 (callbacks . ((positioning-done . ,Align_interface::calc_positioning_done)
1713 (after-line-breaking . ,Align_interface::stretch_after_break)
1715 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1716 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1718 (meta . ((class . Spanner)
1719 (interfaces . (align-interface
1720 axis-group-interface))))))
1725 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1726 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1728 (meta . ((class . Spanner)
1729 (interfaces . (axis-group-interface
1730 vertically-spaceable-interface))))))
1735 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
1737 (space-alist . ((left-edge . (extra-space . 1.0))))
1738 (break-align-symbol . instrument-name)
1739 (callbacks . ((stencil . ,Text_interface::print)))
1740 (break-align-symbol . clef)
1741 (break-visibility . ,begin-of-line-visible)
1743 (meta . ((class . Item)
1744 (interfaces . (font-interface
1745 self-alignment-interface
1746 side-position-interface
1748 break-aligned-interface))))))
1752 (callbacks . ((stencil . ,Volta_bracket_interface::print)
1753 (after-line-breaking . ,Volta_bracket_interface::after_line_breaking)))
1756 (font-encoding . fetaNumber)
1757 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1758 (thickness . 1.6) ;; linethickness
1759 (edge-height . (2.0 . 2.0)) ;; staffspace;
1762 (meta . ((class . Spanner)
1763 (interfaces . (volta-bracket-interface
1764 horizontal-bracket-interface
1767 side-position-interface
1768 font-interface))))))
1776 (X-extent-callback . #f)
1777 (Y-extent-callback . #f)
1779 (callbacks . ((stencil . ,Line_spanner::print)
1780 (after-line-breaking . ,Line_spanner::after_line_breaking)))
1781 (meta . ((class . Spanner)
1782 (interfaces . (line-spanner-interface
1783 line-interface))))))))
1785 (define (completize-grob-entry x)
1786 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1788 ;; (display (car x))
1790 (let* ((name-sym (car x))
1791 (grob-entry (cdr x))
1792 (meta-entry (cdr (assoc 'meta grob-entry)))
1793 (class (cdr (assoc 'class meta-entry)))
1795 (cdr (assoc 'interfaces meta-entry))))
1799 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1800 ((eq? 'Spanner class)
1801 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1802 ((eq? 'Paper_column class)
1803 (set! ifaces-entry (cons 'item-interface
1804 (cons 'paper-column-interface ifaces-entry))))
1805 ((eq? 'System class)
1806 (set! ifaces-entry (cons 'system-interface
1807 (cons 'spanner-interface ifaces-entry))))
1809 (ly:warning "Unknown class ~a" class)))
1810 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1812 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1813 (set! meta-entry (assoc-set! meta-entry 'interfaces
1815 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1816 (cons name-sym grob-entry)))
1818 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1820 ;; (display (map pair? all-grob-descriptions))
1822 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1825 ;; (display (car x)) (newline)
1827 (set-object-property! (car x) 'translation-type? list?)
1828 (set-object-property! (car x) 'is-grob? #t))
1829 all-grob-descriptions)
1831 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))