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-procedure . ,find-notehead-symbol)
114 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
115 (meta . ((class . Item)
116 (interfaces . (font-interface
119 staff-symbol-referencer-interface
120 rhythmic-head-interface
121 ledgered-interface))))))
125 (X-extent-callback . ,Arpeggio::width_callback)
126 (callbacks . ( (stencil . ,Arpeggio::print)))
127 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
128 (X-offset-callbacks . (,Side_position_interface::aligned_side))
131 (staff-position . 0.0)
132 (meta . ((class . Item)
133 (interfaces . (arpeggio-interface
134 staff-symbol-referencer-interface
135 side-position-interface
140 (break-align-symbol . staff-bar)
142 (break-glyph-function . ,default-break-barline)
144 (bar-size-procedure . ,Bar_line::get_staff_bar_size)
145 (break-visibility . ,all-visible)
147 (callbacks . ((stencil . ,Bar_line::print)
148 (before-line-breaking . ,Bar_line::before_line_breaking)))
150 (time-signature . (extra-space . 0.75))
151 (custos . (minimum-space . 2.0))
152 (clef . (minimum-space . 1.0))
153 (key-signature . (extra-space . 1.0))
154 (key-cancellation . (extra-space . 1.0))
155 (first-note . (fixed-space . 1.3))
156 (next-note . (semi-fixed-space . 1.3))
157 (right-edge . (extra-space . 0.0))))
160 ;; Ross. page 151 lists other values, we opt for a leaner look
163 ;; kern should scale with linethickness too.
166 (hair-thickness . 1.9)
167 (thick-thickness . 6.0)
168 (meta . ((class . Item)
169 (interfaces . (bar-line-interface
170 break-aligned-interface
175 (callbacks . ((stencil . ,Text_interface::print)))
177 (break-visibility . ,begin-of-line-visible)
180 (font-family . roman)
182 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
183 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
184 (self-alignment-X . 1)
188 (interfaces . (side-position-interface
190 self-alignment-interface
192 break-aligned-interface))))
197 (callbacks . ((stencil . ,Text_interface::print)))
198 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
200 (font-family . number)
202 ;; We must do this, other BFs in
203 ;; layout16 become too small.
206 (meta . ((class . Item)
207 (interfaces . (text-interface
208 rhythmic-grob-interface
209 bass-figure-interface
210 self-alignment-interface
215 (callbacks . ( (stencil . ,Text_interface::print)))
216 (meta . ((class . Item)
217 (interfaces . (text-interface
218 rhythmic-grob-interface
219 bass-figure-interface
222 . ((callbacks . ((stencil . ,Enclosing_bracket::print)))
223 (edge-height . (0.2 . 0.2))
224 (meta . ((class . Item)
225 (interfaces . (enclosing-bracket-interface)) ))
227 (BassFigureContinuation
229 (callbacks . ( (stencil . ,Figured_bass_continuation::print)))
230 (Y-offset-callbacks . (,Figured_bass_continuation::center_on_figures))
231 (meta . ((class . Spanner)
232 (interfaces . (figured-bass-continuation-interface))
237 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
238 (meta . ((class . Spanner)
239 (interfaces . (axis-group-interface
245 (threshold . (2 . 1000))
246 (callbacks . ((positioning-done . ,Align_interface::calc_positioning_done)
248 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
250 (meta . ((class . Spanner)
251 (interfaces . (align-interface
252 axis-group-interface))))))
256 ;; todo: clean this up a bit: the list is getting
259 (position-callbacks . (,Beam::least_squares
262 ,Beam::shift_region_to_valid
264 (callbacks . ((positions . ,Beam::calc_positions)
265 (direction . ,Beam::calc_direction)
266 (stencil . ,Beam::print)
269 ;; TODO: should be in SLT.
270 (thickness . 0.48) ; in staff-space
271 (neutral-direction . -1)
272 (dir-function . ,beam-dir-majority-median)
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 (before-line-breaking . ,Clef::before_line_breaking)
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 . ((stencil . ,Cluster::print)))
412 (spacing-procedure . ,Spanner::set_spacing_rods)
413 (minimum-length . 0.0)
416 (meta . ((class . Spanner)
417 (interfaces . (cluster-interface))))))
421 (callbacks . ((stencil . ,Text_interface::print)))
422 (callbacks . ((after-line-breaking . ,Chord_name::after_line_breaking)
427 (meta . ((class . Item)
428 (interfaces . (font-interface
429 rhythmic-grob-interface
436 (callbacks . ((stencil . ,Text_interface::print)))
437 (no-spacing-rods . #t)
438 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
439 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
442 (staff-padding . 0.5)
443 (script-priority . 200)
444 ;; todo: add X self alignment?
447 (meta . ((class . Item)
448 (interfaces . (text-script-interface
450 side-position-interface
455 (break-align-symbol . custos)
457 (callbacks . ((stencil . ,Custos::print)))
458 (break-visibility . ,end-of-line-visible)
460 (neutral-direction . -1)
461 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
463 (first-note . (minimum-fixed-space . 0.0))
464 (right-edge . (extra-space . 0.1))))
465 (meta . ((class . Item)
468 staff-symbol-referencer-interface
470 break-aligned-interface))))))
476 (callbacks . ((positioning-done . ,Dot_column::calc_positioning_done)
478 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
479 (X-offset-callbacks . (,Dot_column::side_position))
480 (meta . ((class . Item)
481 (interfaces . (dot-column-interface
482 axis-group-interface))))))
486 (callbacks . ((stencil . ,Dots::print)))
488 (meta . ((class . Item)
489 (interfaces . (font-interface
490 staff-symbol-referencer-interface
495 (callbacks . ((stencil . ,Percent_repeat_item_interface::double_percent)))
498 (font-encoding . fetaMusic)
501 (break-align-symbol . staff-bar)
502 (break-visibility . ,begin-of-line-invisible)
503 (meta . ((class . Item)
504 (interfaces . (font-interface
505 break-aligned-interface
506 percent-repeat-interface))))))
508 (DoublePercentRepeatCounter
510 (callbacks . ((stencil . ,Text_interface::print)))
511 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
512 ,Self_alignment_interface::centered_on_other_axis_parent))
513 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
514 (font-encoding . fetaNumber)
515 (self-alignment-X . 0)
519 (staff-padding . 0.25)
520 (meta . ((class . Item)
521 (interfaces . (side-position-interface
522 self-alignment-interface
523 percent-repeat-interface
529 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
530 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
531 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
532 (staff-padding . 0.1)
534 (avoid-slur . outside)
536 (minimum-space . 1.2)
539 (meta . ((class . Spanner)
540 (interfaces . (axis-group-interface
542 dynamic-line-spanner-interface
543 side-position-interface))))))
549 (callbacks . ((stencil . ,Text_interface::print)
550 (before-line-breaking . ,Script_interface::before_line_breaking)))
551 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
552 (self-alignment-X . 0)
553 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
554 (self-alignment-Y . 0)
556 (font-encoding . fetaDynamic)
557 (font-shape . italic)
558 (no-spacing-rods . #t)
559 (script-priority . 100)
560 (meta . ((class . Item)
561 (interfaces . (font-interface
563 self-alignment-interface
565 script-interface))))))
569 (callbacks . ((stencil . ,Dynamic_text_spanner::print)))
570 ;; rather ugh with NCSB
571 ;; (font-series . bold)
572 (font-shape . italic)
573 (style . dashed-line)
575 ;; need to blend with dynamic texts.
577 (bound-padding . 0.75)
578 (dash-fraction . 0.2)
580 (meta . ((class . Spanner)
581 (interfaces . (font-interface
584 dynamic-text-spanner-interface
585 spanner-interface))))))
590 ;; sync with TextScript (?)
593 (avoid-slur . around)
595 (staff-padding . 0.5)
596 (self-alignment-X . 0)
597 (self-alignment-Y . 0)
598 (script-priority . 100)
599 (callbacks . ((stencil . ,Text_interface::print)
600 (before-line-breaking . ,Script_interface::before_line_breaking)))
601 (font-encoding . fetaNumber)
602 (font-size . -5) ; don't overlap when next to heads.
603 (meta . ((class . Item)
604 (interfaces . (finger-interface
606 text-script-interface
608 side-position-interface
609 self-alignment-interface
615 (zigzag-width . 0.75)
617 (X-extent-callback . #f)
618 (Y-extent-callback . #f)
619 (callbacks . ((stencil . ,Line_spanner::print)
620 (after-line-breaking . ,Line_spanner::after_line_breaking)
623 (meta . ((class . Spanner)
624 (interfaces . (line-interface
625 line-spanner-interface))))))
631 (meta . ((class . Item)
632 (interfaces . (grid-point-interface))))))
636 (callbacks . (stencil . ,Grid_line_interface::print))
637 (X-extent-callback . ,Grid_line_interface::width_callback)
638 (self-alignment-X . ,CENTER)
639 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
640 ,Self_alignment_interface::centered_on_parent))
642 (meta . ((class . Item)
643 (interfaces . (self-alignment-interface
644 grid-line-interface))))))
649 (callbacks . ((stencil . ,Hairpin::print)
650 (after-line-breaking . ,Hairpin::after_line_breaking)))
653 (spacing-procedure . ,Spanner::set_spacing_rods)
654 (minimum-length . 2.0)
655 (bound-padding . 1.0)
656 (self-alignment-Y . 0)
657 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
658 (meta . ((class . Spanner)
659 (interfaces . (hairpin-interface
661 self-alignment-interface
663 spanner-interface))))))
668 (callbacks . ((stencil . ,Horizontal_bracket::print)))
669 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
671 (staff-padding . 0.2)
673 (bracket-flare . (0.5 . 0.5))
674 (meta . ((class . Spanner)
675 (interfaces . (horizontal-bracket-interface
676 side-position-interface
678 spanner-interface))))))
682 (Y-offset-callbacks . (,Self_alignment_interface::aligned_on_self
683 ,Side_position_interface::aligned_on_support_refpoints))
684 ;; This direction is for aligned_on_support_refpoints
688 (left-edge . (extra-space . 1.0))))
690 (self-alignment-Y . 0)
691 (callbacks . ((stencil . ,Text_interface::print)))
692 (break-align-symbol . instrument-name)
693 (break-visibility . ,begin-of-line-visible)
695 (meta . ((class . Item)
696 (interfaces . (font-interface
697 self-alignment-interface
698 side-position-interface
700 break-aligned-interface))))))
704 (callbacks . ((stencil . ,Key_signature_interface::print)))
706 (time-signature . (extra-space . 1.25))
707 (staff-bar . (extra-space . 0.6))
708 (key-signature . (extra-space . 0.5))
709 (right-edge . (extra-space . 0.5))
710 (first-note . (fixed-space . 2.5))))
711 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
712 (break-align-symbol . key-cancellation)
713 (break-visibility . ,begin-of-line-invisible)
716 (meta . ((class . Item)
717 (interfaces . (key-signature-interface
719 break-aligned-interface))))))
722 (callbacks . ((stencil . ,Key_signature_interface::print)))
724 (time-signature . (extra-space . 1.25))
725 (staff-bar . (extra-space . 1.1))
726 (right-edge . (extra-space . 0.5))
727 (first-note . (fixed-space . 2.5))))
728 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
729 (break-align-symbol . key-signature)
730 (break-visibility . ,begin-of-line-visible)
733 (meta . ((class . Item)
734 (interfaces . (key-signature-interface
736 break-aligned-interface))))))
739 (callbacks . ((stencil . ,Tie::print)
740 (control-points . ,Laissez_vibrer_tie::calc_control_points)
741 (direction . ,Laissez_vibrer_tie::calc_direction)
743 (details . ((ratio . 0.333)
744 (height-limit . 1.0)))
746 (meta . ((class . Item)
747 (interfaces . (laissez-vibrer-tie-interface))
751 (LaissezVibrerTieColumn
753 (X-extent-callback . #f)
754 (Y-extent-callback . #f)
755 (callbacks . ((positioning-done . ,Laissez_vibrer_tie_column::calc_positioning_done)
757 (meta . ((class . Item)
758 (interfaces . (laissez-vibrer-tie-column-interface))
764 (callbacks . ((stencil . ,Ledger_line_spanner::print)))
765 (X-extent-callback . #f)
766 (Y-extent-callback . #f)
767 (minimum-length-fraction . 0.25)
768 (length-fraction . 0.25)
769 (spacing-procedure . ,Ledger_line_spanner::set_spacing_rods)
771 (meta . ((class . Spanner)
772 (interfaces . (ledger-line-interface))))))
776 (break-align-symbol . left-edge)
779 (break-visibility . ,center-invisible)
781 (custos . (extra-space . 0.0))
782 (ambitus . (extra-space . 2.0))
783 (time-signature . (extra-space . 1.0))
784 (staff-bar . (extra-space . 0.0))
785 (breathing-sign . (minimum-space . 0.0))
786 (clef . (extra-space . 0.8))
787 (first-note . (fixed-space . 2.0))
788 (right-edge . (extra-space . 0.0))
789 (key-signature . (extra-space . 0.0))
790 (key-cancellation . (extra-space . 0.0))
792 (meta . ((class . Item)
793 (interfaces . (break-aligned-interface))))))
797 (ligature-primitive-callback . ,Note_head::print)
799 ;; ugh. A ligature bracket is totally different from
801 (callbacks . ((direction . ,Tuplet_bracket::calc_direction)
802 (positions . ,Tuplet_bracket::calc_positions)
803 (stencil . ,Tuplet_bracket::print)
809 (edge-height . (0.7 . 0.7))
810 (shorten-pair . (-0.2 . -0.2))
811 (meta . ((class . Spanner)
812 (interfaces . (tuplet-bracket-interface
821 (minimum-length . 0.3)
823 ; (spacing-procedure . ,Hyphen_spanner::set_spacing_rods)
824 (callbacks . ((stencil . ,Hyphen_spanner::print)))
826 (meta . ((class . Spanner)
827 (interfaces . (lyric-interface
828 lyric-hyphen-interface
829 spanner-interface))))))
833 (callbacks . ((stencil . ,Lyric_extender::print)))
834 (thickness . 0.8) ; linethickness
835 (minimum-length . 1.5)
837 (meta . ((class . Spanner)
838 (interfaces . (lyric-interface
839 lyric-extender-interface))))))
842 . ((callbacks . ((stencil . ,Text_interface::print)))
843 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_parent))
844 (self-alignment-X . 0)
846 (font-series . bold-narrow)
848 (meta . ((class . Item)
849 (interfaces . (rhythmic-grob-interface
850 lyric-syllable-interface
851 self-alignment-interface
859 (ligature-primitive-callback . ,Mensural_ligature::brew_ligature_primitive)
860 (callbacks . ((stencil . ,Mensural_ligature::print)))
861 (meta . ((class . Spanner)
862 (interfaces . (mensural-ligature-interface
867 (callbacks . ((stencil . ,Text_interface::print)))
868 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
871 (meta . ((class . Item)
872 (interfaces . (text-interface
873 side-position-interface
875 metronome-mark-interface))))))
878 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
879 (callbacks . (stencil . ,Measure_grouping::print))
885 (meta . ((class . Spanner)
886 (interfaces . (side-position-interface
887 measure-grouping-interface))))))
890 (callbacks . ((stencil . ,Multi_measure_rest::print)))
891 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
894 (thick-thickness . 6.6)
895 (hair-thickness . 2.0)
897 (meta . ((class . Spanner)
898 (interfaces . (multi-measure-rest-interface
899 multi-measure-interface
902 staff-symbol-referencer-interface))))))
904 (MultiMeasureRestNumber
906 (callbacks . ((stencil . ,Text_interface::print)))
907 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
908 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
909 ,Self_alignment_interface::centered_on_other_axis_parent))
910 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
911 (self-alignment-X . 0)
914 (staff-padding . 0.4)
915 (font-encoding . fetaNumber)
916 (meta . ((class . Spanner)
917 (interfaces . (side-position-interface
918 multi-measure-interface
919 self-alignment-interface
923 (MultiMeasureRestText
925 (callbacks . ((stencil . ,Text_interface::print)))
926 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
927 ,Self_alignment_interface::centered_on_other_axis_parent))
928 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
929 (self-alignment-X . 0)
932 (staff-padding . 0.25)
933 (meta . ((class . Spanner)
934 (interfaces . (side-position-interface
935 multi-measure-interface
936 self-alignment-interface
943 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
944 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
945 (callbacks . ((positioning-done . ,Note_collision_interface::calc_positioning_done)
947 (meta . ((class . Item)
948 (interfaces . (note-collision-interface
949 axis-group-interface))))))
954 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
955 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
956 (meta . ((class . Item)
957 (interfaces . (axis-group-interface
958 note-column-interface))))))
962 (callbacks . ((stencil . ,Note_head::print)))
963 (ligature-primitive-callback . ,Note_head::print)
964 (glyph-name-procedure . ,find-notehead-symbol)
965 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
966 (X-offset-callbacks . (,Note_head::stem_x_shift))
967 (stem-attachment-function . ,note-head-style->attachment-coordinates)
968 (meta . ((class . Item)
969 (interfaces . (rhythmic-grob-interface
970 rhythmic-head-interface
974 staff-symbol-referencer-interface))))))
978 (stem-spacing-correction . 0.5)
979 (same-direction-correction . 0.25)
980 ;; Changed this from 0.75.
981 ;; If you ever change this back, please document! --hwn
982 (knee-spacing-correction . 1.0)
984 (meta . ((class . Item)
985 (interfaces . (spacing-interface
986 note-spacing-interface))))))
990 (callbacks . ((stencil . ,Text_interface::print)))
991 (meta . ((class . Item)
992 (interfaces . (note-name-interface
998 (self-alignment-X . 0)
999 (break-visibility . ,begin-of-line-visible)
1000 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent
1001 ,Self_alignment_interface::aligned_on_self))
1002 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1003 (callbacks . ((stencil . ,Text_interface::print)))
1005 ;; no Y dimensions, because of lyrics under tenor clef.
1006 (Y-extent . (0 . 0))
1007 (font-shape . italic)
1009 (staff-padding . 0.2)
1011 (meta . ((class . Item)
1012 (interfaces . (text-interface
1013 self-alignment-interface
1014 side-position-interface
1015 font-interface))))))
1019 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1020 (callbacks . ((stencil . ,Ottava_bracket::print)))
1021 (font-shape . italic)
1022 (shorten-pair . (0.0 . -0.6))
1023 (staff-padding . 1.0)
1025 (minimum-length . 1.0)
1026 (dash-fraction . 0.3)
1027 (edge-height . (0 . 1.2))
1029 (meta . ((class . Spanner)
1030 (interfaces . (ottava-bracket-interface
1031 horizontal-bracket-interface
1033 side-position-interface
1035 text-interface))))))
1040 (callbacks . ((before-line-breaking . ,Paper_column::before_line_breaking)
1041 ;; (stencil . ,Paper_column::print)
1043 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1046 ;; (font-size . -6) (font-name . "sans") (Y-extent-callback . #f)
1047 (meta . ((class . Paper_column)
1048 (interfaces . (paper-column-interface
1049 axis-group-interface
1050 spaceable-grob-interface))))))
1053 . ((slur-details . ,default-slur-details)
1054 (callbacks . ((control-points . ,Slur::calc_control_points)
1055 (direction . ,Slur::calc_direction)
1056 (stencil . ,Slur::print)
1060 (spacing-procedure . ,Spanner::set_spacing_rods)
1061 (minimum-length . 1.5)
1062 (Y-extent-callback . ,Slur::height)
1063 (height-limit . 2.0)
1065 (meta . ((class . Spanner)
1066 (interfaces . (slur-interface))))))
1068 (NonMusicalPaperColumn
1071 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1072 (callbacks . ((before-line-breaking . ,Paper_column::before_line_breaking)
1073 ;; (stencil . ,Paper_column::print)
1077 ;; debugging stuff: print column number.
1078 ;; (font-size . -6) (font-name . "sans") (Y-extent-callback . #f)
1080 (meta . ((class . Paper_column)
1081 (interfaces . (paper-column-interface
1082 axis-group-interface
1083 spaceable-grob-interface))))))
1087 (spacing-procedure . ,Multi_measure_rest::set_spacing_rods)
1088 (callbacks . ((stencil . ,Multi_measure_rest::percent)))
1091 (font-encoding . fetaMusic)
1092 (meta . ((class . Spanner)
1093 (interfaces . (multi-measure-rest-interface
1095 percent-repeat-interface))))))
1096 (PercentRepeatCounter
1097 . ((callbacks . ((stencil . ,Text_interface::print)))
1098 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self
1099 ,Self_alignment_interface::centered_on_other_axis_parent))
1100 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1101 (self-alignment-X . 0)
1104 (staff-padding . 0.25)
1106 (font-encoding . fetaNumber)
1107 (meta . ((class . Spanner)
1108 (interfaces . (side-position-interface
1109 self-alignment-interface
1110 percent-repeat-interface
1112 text-interface))))))
1114 ;; an example of a text spanner
1117 (callbacks . ((stencil . ,Piano_pedal_bracket::print)))
1119 (bound-padding . 1.0)
1121 (bracket-flare . (0.5 . 0.5))
1122 (edge-height . (1.0 . 1.0))
1123 (shorten-pair . (0.0 . 0.0))
1125 (meta . ((class . Spanner)
1126 (interfaces . (line-interface
1127 piano-pedal-interface
1128 piano-pedal-bracket-interface))))))
1132 (callbacks . ((stencil . ,Text_interface::print)))
1133 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1134 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1135 (callbacks . ((after-line-breaking . ,shift-right-at-line-begin)))
1136 (self-alignment-X . 0)
1141 (break-visibility . ,end-of-line-invisible)
1143 (meta . ((class . Item)
1144 (interfaces . (text-interface
1145 side-position-interface
1148 self-alignment-interface))))))
1150 (RemoveEmptyVerticalGroup
1152 (Y-offset-callbacks . (,Hara_kiri_group_spanner::force_hara_kiri_callback))
1153 (Y-extent-callback . ,Hara_kiri_group_spanner::y_extent)
1155 (meta . ((class . Spanner)
1156 (interfaces . (axis-group-interface
1157 vertically-spaceable-interface
1158 hara-kiri-group-interface
1159 spanner-interface))))))
1163 (callbacks . ((stencil . ,Percent_repeat_item_interface::beat_slash)))
1166 (meta . ((class . Item)
1167 (interfaces . (percent-repeat-interface))))))
1170 (X-extent-callback . ,Rest::extent_callback)
1171 (Y-extent-callback . ,Rest::extent_callback)
1172 (callbacks . ((stencil . ,Rest::print)))
1173 (Y-offset-callbacks . (
1174 ,Staff_symbol_referencer::callback
1175 ,Rest::polyphonic_offset_callback
1176 ,Rest::y_offset_callback
1178 (minimum-distance . 0.25)
1179 (meta . ((class . Item)
1180 (interfaces . (font-interface
1181 rhythmic-head-interface
1182 rhythmic-grob-interface
1183 staff-symbol-referencer-interface
1184 rest-interface))))))
1188 (minimum-distance . 0.75)
1189 (callbacks . ((positioning-done . ,Rest_collision::calc_positioning_done)
1191 (meta . ((class . Item)
1192 (interfaces . (rest-collision-interface))))))
1196 ;; don't set direction here: it breaks staccato.
1198 ;; This value is sensitive: if too large, staccato dots will move a
1201 (staff-padding . 0.25)
1202 ;; (script-priority . 0) priorities for scripts, see script.scm
1203 (X-offset-callbacks . (,Self_alignment_interface::centered_on_parent))
1204 (callbacks . ((stencil . ,Script_interface::print)
1205 (before-line-breaking . ,Script_interface::before_line_breaking)))
1206 (font-encoding . fetaMusic)
1207 (meta . ((class . Item)
1208 (interfaces . (script-interface
1209 side-position-interface
1210 font-interface))))))
1214 (callbacks . ((before-line-breaking . ,Script_column::before_line_breaking)))
1215 (meta . ((class . Item)
1216 (interfaces . (script-column-interface))))))
1220 (X-extent-callback . #f)
1221 (Y-extent-callback . #f)
1222 (meta . ((class . Item)
1223 (interfaces . (spacing-interface
1224 separation-item-interface))))))
1226 (SeparatingGroupSpanner
1228 (spacing-procedure . ,Separating_group_spanner::set_spacing_rods)
1229 (meta . ((class . Spanner)
1230 (interfaces . (only-prebreak-interface
1232 separation-spanner-interface))))))
1235 . ((slur-details . ,default-slur-details)
1236 (callbacks . ((control-points . ,Slur::calc_control_points)
1237 (direction . ,Slur::calc_direction)
1238 (stencil . ,Slur::print)
1241 (spacing-procedure . ,Spanner::set_spacing_rods)
1242 (minimum-length . 1.5)
1243 (Y-extent-callback . ,Slur::height)
1245 (height-limit . 2.0)
1247 (meta . ((class . Spanner)
1248 (interfaces . (slur-interface))))))
1252 (spacing-procedure . ,Spacing_spanner::set_springs)
1253 (grace-space-factor . 0.6)
1254 (shortest-duration-space . 2.0)
1255 (spacing-increment . 1.2)
1256 (base-shortest-duration . ,(ly:make-moment 3 16))
1257 (meta . ((class . Spanner)
1258 (interfaces . (spacing-interface
1259 spacing-spanner-interface))))))
1263 (break-align-symbol . staff-bar)
1264 (bar-size-procedure . ,Span_bar::get_bar_size)
1265 (X-extent-callback . ,Span_bar::width_callback)
1266 (Y-extent-callback . ())
1269 (callbacks . ((stencil . ,Span_bar::print)
1270 (before-line-breaking . ,Span_bar::before_line_breaking)))
1274 ;; Ross. page 151 lists other values, we opt for a leaner look
1278 (hair-thickness . 1.6)
1279 (thick-thickness . 6.0)
1280 (meta . ((class . Item)
1281 (interfaces . (span-bar-interface
1283 bar-line-interface))))))
1286 . ((callbacks . ((stencil . ,Text_interface::print)))
1287 (font-series . bold)
1289 (X-offset-callbacks . (,Side_position_interface::aligned_side))
1291 (meta . ((class . Item)
1292 (interfaces . (side-position-interface
1293 stanza-number-interface
1295 font-interface))))))
1299 (callbacks . ((stencil . ,print-circled-text-callback)))
1301 (staff-padding . 0.5)
1302 (self-alignment-X . 0)
1303 (self-alignment-Y . 0)
1304 (script-priority . 100)
1305 (font-encoding . fetaNumber)
1306 (font-size . -5) ; don't overlap when next to heads.
1307 (meta . ((class . Item)
1308 (interfaces . (string-number-interface
1310 text-script-interface
1312 side-position-interface
1313 self-alignment-interface
1314 item-interface))))))
1319 (stem-spacing-correction . 0.4)
1320 (meta . ((class . Item)
1321 (interfaces . (spacing-interface
1322 staff-spacing-interface))))))
1326 (callbacks . ((stencil . ,Text_interface::print)))
1328 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1329 (no-spacing-rods . #t)
1330 (padding . 0.0) ;; padding relative to SostenutoPedalLineSpanner
1331 (font-shape . italic)
1332 (self-alignment-X . 0)
1333 (meta . ((class . Item)
1334 (interfaces . (text-interface
1335 self-alignment-interface
1336 font-interface))))))
1338 (SostenutoPedalLineSpanner
1341 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1342 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1345 (minimum-space . 1.0)
1347 (meta . ((class . Spanner)
1348 (interfaces . (piano-pedal-interface
1349 axis-group-interface
1350 side-position-interface))))))
1354 (callbacks . ((stencil . ,Staff_symbol::print)))
1356 (ledger-line-thickness . (1.0 . 0.1))
1358 (meta . ((class . Spanner)
1359 (interfaces . (staff-symbol-interface))))))
1363 ;; this list is rather long. Trim --hwn
1364 (callbacks . ((direction . ,Stem::calc_direction)
1365 (stem-end-position . ,Stem::calc_stem_end_position)
1366 (stem-info . ,Stem::calc_stem_info)
1367 (positioning-done . ,Stem::calc_positioning_done)
1368 (stencil . ,Stem::print)
1372 ;; 3.5 (or 3 measured from note head) is standard length
1373 ;; 32nd, 64th flagged stems should be longer
1374 (lengths . (3.5 3.5 3.5 4.5 5.0))
1376 ;; Stems in unnatural (forced) direction should be shortened by
1377 ;; one staff space, according to [Roush & Gourlay].
1378 ;; Flagged stems we shorten only half a staff space.
1379 (stem-shorten . (1.0 0.5))
1381 ;; default stem direction for note on middle line
1382 (neutral-direction . -1)
1384 ;; FIXME. 3.5 yields too long beams (according to Ross and
1385 ;; looking at Baerenreiter examples) for a number of common
1386 ;; boundary cases. Subtracting half a beam thickness fixes
1387 ;; this, but the bug may well be somewhere else.
1389 ;; FIXME this should come from 'lengths
1391 (beamed-lengths . (3.26 3.5 3.6))
1393 ;; We use the normal minima as minimum for the ideal lengths,
1394 ;; and the extreme minima as abolute minimum length.
1396 ;; The 'normal' minima
1397 (beamed-minimum-free-lengths . (1.83 1.5 1.25))
1398 ;(beamed-minimum-free-lengths . (2.0 1.83 1.25))
1400 ;; The 'extreme case' minima
1401 (beamed-extreme-minimum-free-lengths . (2.0 1.25))
1403 (X-offset-callbacks . (,Stem::offset_callback))
1404 (X-extent-callback . ,Stem::width_callback)
1405 (Y-extent-callback . ,Stem::height)
1406 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1407 (meta . ((class . Item)
1408 (interfaces . (stem-interface
1409 font-interface))))))
1413 (callbacks . ((stencil . ,Stem_tremolo::print)))
1414 (Y-extent-callback . ,Stem_tremolo::height)
1415 (X-extent-callback . #f)
1417 (beam-width . 1.6) ; staff-space
1418 (beam-thickness . 0.48) ; staff-space
1419 (meta . ((class . Item)
1420 (interfaces . (stem-tremolo-interface))))))
1424 (no-spacing-rods . #t)
1425 (callbacks . ((stencil . ,Sustain_pedal::print)))
1426 (self-alignment-X . 0)
1428 (padding . 0.0) ;; padding relative to SustainPedalLineSpanner
1429 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1430 (meta . ((class . Item)
1431 (interfaces . (piano-pedal-interface
1432 text-spanner-interface
1434 self-alignment-interface
1435 font-interface))))))
1437 (SustainPedalLineSpanner
1440 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1441 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1444 (staff-padding . 1.2)
1445 (minimum-space . 1.0)
1447 (meta . ((class . Spanner)
1448 (interfaces . (piano-pedal-interface
1449 axis-group-interface
1450 side-position-interface))))))
1455 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1456 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1457 (meta . ((class . System)
1458 (interfaces . (system-interface
1459 axis-group-interface))))))
1464 (callbacks . ((stencil . ,System_start_delimiter::print)))
1465 (collapse-height . 5.0)
1466 (font-encoding . fetaBraces)
1467 (Y-extent-callback . #f)
1468 (meta . ((class . Spanner)
1469 (interfaces . (system-start-delimiter-interface
1470 font-interface))))))
1474 (Y-extent-callback . #f)
1475 (X-offset-callbacks . (,(lambda (g a) -0.8)))
1476 (callbacks . ((stencil . ,System_start_delimiter::print)))
1478 (collapse-height . 5.0)
1480 (meta . ((class . Spanner)
1481 (interfaces . (font-interface
1482 system-start-delimiter-interface))))))
1486 (Y-extent-callback . #f)
1487 (glyph . "bar-line")
1489 (callbacks . ((stencil . ,System_start_delimiter::print)
1490 (after-line-breaking . ,System_start_delimiter::after_line_breaking)))
1492 (meta . ((class . Spanner)
1493 (interfaces . (system-start-delimiter-interface))))))
1497 (callbacks . ((stencil . ,Text_interface::print)))
1498 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1500 (stem-attachment-function . ,tablature-stem-attachment-function)
1501 (font-series . bold)
1502 (meta . ((class . Item)
1504 . (rhythmic-head-interface
1507 staff-symbol-referencer-interface
1508 text-interface))))))
1512 (no-spacing-rods . #t)
1513 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1516 ;; sync with Fingering ?
1518 (staff-padding . 0.5)
1519 (callbacks . ((stencil . ,Text_interface::print)
1520 (before-line-breaking . ,Script_interface::before_line_breaking)))
1521 (avoid-slur . around)
1522 (slur-padding . 0.5)
1523 (script-priority . 200)
1524 ;; todo: add X self alignment?
1525 (meta . ((class . Item)
1526 (interfaces . (text-script-interface
1528 side-position-interface
1529 font-interface))))))
1533 (callbacks .((stencil . ,Text_spanner::print)))
1534 (font-shape . italic)
1535 (style . dashed-line)
1536 (staff-padding . 0.8)
1537 (dash-fraction . 0.2)
1540 (meta . ((class . Spanner)
1541 (interfaces . (text-spanner-interface
1542 side-position-interface
1543 font-interface))))))
1547 (callbacks . ((control-points . ,Tie::calc_control_points)
1548 (direction . ,Tie::calc_direction)
1549 (stencil . ,Tie::print)
1551 (details . ((ratio . 0.333)
1552 (height-limit . 1.0)
1553 (between-length-limit . 1.0)))
1555 (meta . ((class . Spanner)
1556 (interfaces . (tie-interface))))
1561 (callbacks . ((positioning-done . ,Tie_column::calc_positioning_done)
1562 (before-line-breaking . ,Tie_column::before_line_breaking)
1564 (X-extent-callback . #f)
1565 (Y-extent-callback . #f)
1567 (meta . ((class . Spanner)
1568 (interfaces . (tie-column-interface))))))
1572 (callbacks . ((stencil . ,Time_signature::print)))
1573 (break-align-symbol . time-signature)
1574 (break-visibility . ,all-visible)
1576 (first-note . (fixed-space . 2.0))
1577 (right-edge . (extra-space . 0.5))
1578 (staff-bar . (minimum-space . 2.0))))
1581 (meta . ((class . Item)
1582 (interfaces . (time-signature-interface
1583 break-aligned-interface
1584 font-interface))))))
1588 (callbacks . ((stencil . ,Dynamic_text_spanner::print)))
1589 (edge-text . ,(cons (make-musicglyph-markup "scripts.trill")
1592 (staff-padding . 1.0)
1595 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1596 (meta . ((class . Spanner)
1597 (interfaces . (text-spanner-interface
1598 side-position-interface
1599 font-interface))))))
1601 (TrillPitchAccidental
1602 . ((X-offset-callbacks . (,Side_position_interface::aligned_side))
1606 (callbacks . ((stencil . ,Accidental_interface::print)))
1607 (meta . ((class . Item)
1608 (interfaces . (item-interface
1609 accidental-interface
1610 side-position-interface
1611 font-interface))))))
1614 . ((X-offset-callbacks . (,Side_position_interface::aligned_side))
1617 (callbacks . ((stencil . ,parenthesize-elements)))
1618 (direction . ,RIGHT)
1620 (meta . ((class . Item)
1621 (interfaces . (side-position-interface
1623 rhythmic-head-interface
1625 accidental-interface
1626 axis-group-interface))))))
1629 . ((callbacks . ((stencil . ,Note_head::print)))
1631 (Y-offset-callbacks . (,Staff_symbol_referencer::callback))
1633 (meta . ((class . Item)
1634 (interfaces . (item-interface
1635 rhythmic-head-interface
1637 pitched-trill-interface
1639 staff-symbol-referencer-interface))))))
1645 (edge-height . (0.7 . 0.7))
1646 (shorten-pair . (-0.2 . -0.2))
1647 (callbacks . ((direction . ,Tuplet_bracket::calc_direction)
1648 (positions . ,Tuplet_bracket::calc_positions)
1649 (stencil . ,Tuplet_bracket::print)
1651 (font-shape . italic)
1654 (meta . ((class . Spanner)
1655 (interfaces . (text-interface
1657 tuplet-bracket-interface
1658 font-interface))))))
1662 (callbacks . ((stencil . ,Text_interface::print)))
1663 (font-shape . italic)
1664 (no-spacing-rods . #t)
1665 (self-alignment-X . 0)
1667 (padding . 0.0) ;; padding relative to UnaCordaPedalLineSpanner
1668 (X-offset-callbacks . (,Self_alignment_interface::aligned_on_self))
1669 (meta . ((class . Item)
1670 (interfaces . (text-interface
1671 self-alignment-interface
1672 font-interface))))))
1674 (UnaCordaPedalLineSpanner
1677 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1678 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1680 (staff-padding . 1.2)
1681 (minimum-space . 1.0)
1683 (meta . ((class . Spanner)
1684 (interfaces . (piano-pedal-interface
1685 axis-group-interface
1686 side-position-interface))))))
1692 (ligature-primitive-callback . ,Vaticana_ligature::brew_ligature_primitive)
1693 (callbacks . ((stencil . ,Vaticana_ligature::print)))
1694 (meta . ((class . Spanner)
1695 (interfaces . (vaticana-ligature-interface
1696 font-interface))))))
1701 (callbacks . ((positioning-done . ,Align_interface::calc_positioning_done)
1702 (after-line-breaking . ,Align_interface::stretch_after_break)
1704 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1705 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1707 (meta . ((class . Spanner)
1708 (interfaces . (align-interface
1709 axis-group-interface))))))
1714 (Y-extent-callback . ,Axis_group_interface::group_extent_callback)
1715 (X-extent-callback . ,Axis_group_interface::group_extent_callback)
1717 (meta . ((class . Spanner)
1718 (interfaces . (axis-group-interface
1719 vertically-spaceable-interface))))))
1724 (Y-offset-callbacks . (,Side_position_interface::aligned_on_support_refpoints))
1726 (space-alist . ((left-edge . (extra-space . 1.0))))
1727 (break-align-symbol . instrument-name)
1728 (callbacks . ((stencil . ,Text_interface::print)))
1729 (break-align-symbol . clef)
1730 (break-visibility . ,begin-of-line-visible)
1732 (meta . ((class . Item)
1733 (interfaces . (font-interface
1734 self-alignment-interface
1735 side-position-interface
1737 break-aligned-interface))))))
1741 (callbacks . ((stencil . ,Volta_bracket_interface::print)
1742 (after-line-breaking . ,Volta_bracket_interface::after_line_breaking)))
1745 (font-encoding . fetaNumber)
1746 (Y-offset-callbacks . (,Side_position_interface::aligned_side))
1747 (thickness . 1.6) ;; linethickness
1748 (edge-height . (2.0 . 2.0)) ;; staffspace;
1751 (meta . ((class . Spanner)
1752 (interfaces . (volta-bracket-interface
1753 horizontal-bracket-interface
1756 side-position-interface
1757 font-interface))))))
1765 (X-extent-callback . #f)
1766 (Y-extent-callback . #f)
1768 (callbacks . ((stencil . ,Line_spanner::print)
1769 (after-line-breaking . ,Line_spanner::after_line_breaking)))
1770 (meta . ((class . Spanner)
1771 (interfaces . (line-spanner-interface
1772 line-interface))))))))
1774 (define (completize-grob-entry x)
1775 "Transplant assoc key into 'name entry of 'meta of X. Set interfaces for Item, Spanner etc.
1777 ;; (display (car x))
1779 (let* ((name-sym (car x))
1780 (grob-entry (cdr x))
1781 (meta-entry (cdr (assoc 'meta grob-entry)))
1782 (class (cdr (assoc 'class meta-entry)))
1784 (cdr (assoc 'interfaces meta-entry))))
1788 (set! ifaces-entry (cons 'item-interface ifaces-entry)))
1789 ((eq? 'Spanner class)
1790 (set! ifaces-entry (cons 'spanner-interface ifaces-entry)))
1791 ((eq? 'Paper_column class)
1792 (set! ifaces-entry (cons 'item-interface
1793 (cons 'paper-column-interface ifaces-entry))))
1794 ((eq? 'System class)
1795 (set! ifaces-entry (cons 'system-interface
1796 (cons 'spanner-interface ifaces-entry))))
1798 (ly:warning "Unknown class ~a" class)))
1799 (set! ifaces-entry (cons 'grob-interface ifaces-entry))
1801 (set! meta-entry (assoc-set! meta-entry 'name name-sym))
1802 (set! meta-entry (assoc-set! meta-entry 'interfaces
1804 (set! grob-entry (assoc-set! grob-entry 'meta meta-entry))
1805 (cons name-sym grob-entry)))
1807 (set! all-grob-descriptions (map completize-grob-entry all-grob-descriptions))
1809 ;; (display (map pair? all-grob-descriptions))
1811 ;; make sure that \property Foo.Bar =\turnOff doesn't complain
1814 ;; (display (car x)) (newline)
1816 (set-object-property! (car x) 'translation-type? list?)
1817 (set-object-property! (car x) 'is-grob? #t))
1818 all-grob-descriptions)
1820 (set! all-grob-descriptions (sort all-grob-descriptions alist<?))