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base: boernel:0339efcfeae8d62f6de42ee0bdeb75c7242973ed
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boernel:main boernel:chord-spacing-experimental boernel:chordExceptions boernel:set-spacing-for-rests-in-chordlyrics boernel:tocSubtitleText-Variable
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compare: boernel:834f69694a04f6651de3699a02bf691a685458c6
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boernel:chord-spacing-experimental boernel:main boernel:chordExceptions boernel:set-spacing-for-rests-in-chordlyrics boernel:tocSubtitleText-Variable

1 Commits
0339efcfea ... 834f69694a

Author SHA1 Message Date
tux
834f69694a new engraver for spacing in chordlyrics 2025-06-10 07:33:35 +02:00
1 changed files with 29 additions and 41 deletions
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30
verses_with_chords.ly
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@ -260,27 +260,20 @@ Chord_lyrics_spacing_engraver =
(last-lyric-syllable-width 0)
(lyric-width-since-last-chord 0)
(notes-on-syllable-count 0)
(last-chord-name #f)
(remaining-chord-width 0)
(last-chord-width 0)
(last-rest #f)
(rest-count 0)
(multi-measure-rest-count 0))
(rest-count 0))
(make-engraver
(listeners
((multi-measure-rest-event engraver event)
(set! multi-measure-rest-count (+ multi-measure-rest-count 1))
)
((break-event engraver event)
(set! last-note-head #f)
(set! note-head-extended #f)
(set! last-lyric-syllable-width 0)
(set! lyric-width-since-last-chord 0)
(set! notes-on-syllable-count 0)
(set! last-chord-name #f)
(set! remaining-chord-width 0)
(set! last-chord-width 0)
(set! last-rest #f)
(set! rest-count 0)
(set! multi-measure-rest-count 0)
))
(acknowledgers
((note-head-interface this-engraver grob source-engraver)
@ -291,10 +284,9 @@ Chord_lyrics_spacing_engraver =
(set! note-head-extended #f)
(set! last-rest #f)
(set! rest-count 0)
(set! multi-measure-rest-count 0)
)
((lyric-syllable-interface this-engraver grob source-engraver)
(set! remaining-chord-width (max 0 (- remaining-chord-width lyric-width-since-last-chord)))
(set! last-chord-width (max 0 (- last-chord-width lyric-width-since-last-chord)))
(set! last-lyric-syllable-width (- (cdr (ly:grob-extent grob grob X)) 0.2))
(set! lyric-width-since-last-chord (+ lyric-width-since-last-chord last-lyric-syllable-width))
(if last-note-head (set! notes-on-syllable-count 1))
@ -306,8 +298,6 @@ Chord_lyrics_spacing_engraver =
(let ((on-a-rest (> rest-count 0)))
(if (not on-a-rest)
(set! notes-on-syllable-count (- notes-on-syllable-count 1)))
(if (and last-chord-name (= multi-measure-rest-count 1) (> lyric-width-since-last-chord remaining-chord-width))
(ly:grob-set-property! last-chord-name 'extra-spacing-width (cons -0.1 (+ 0.1 (- lyric-width-since-last-chord remaining-chord-width)))))
(if last-note-head
(let* ((last-note-min-x-extent (ly:grob-property last-note-head 'minimum-X-extent))
(last-note-min-x-lower (if (pair? last-note-min-x-extent) (car last-note-min-x-extent) 0))
@ -323,20 +313,19 @@ Chord_lyrics_spacing_engraver =
(ly:grob-set-property! last-rest 'minimum-X-extent (cons 0 2))
)
(if (and (> lyric-width-since-last-chord 0)
(> remaining-chord-width lyric-width-since-last-chord))
(> last-chord-width lyric-width-since-last-chord))
(ly:grob-set-property! last-note-head 'minimum-X-extent
(cons (- -1.2 (- remaining-chord-width lyric-width-since-last-chord)) last-note-min-x-upper))
(cons (- -1.2 (- last-chord-width lyric-width-since-last-chord)) last-note-min-x-upper))
(let* ((width-per-note-head 0.5)
(note-width-since-last-chord (* width-per-note-head notes-on-syllable-count)))
(if (> remaining-chord-width note-width-since-last-chord)
(if (> last-chord-width note-width-since-last-chord)
(ly:grob-set-property! last-note-head 'minimum-X-extent
(cons (- note-width-since-last-chord remaining-chord-width) last-note-min-x-upper))
(cons (- note-width-since-last-chord last-chord-width) last-note-min-x-upper))
)
)
)
)))
(set! last-chord-name grob)
(set! remaining-chord-width
(set! last-chord-width
(if (and on-a-rest (equal? (ly:prob-property (ly:grob-property grob 'cause) 'duration) (ly:prob-property (ly:grob-property last-rest 'cause) 'duration)))
0
(cdr (ly:grob-extent grob grob X))))
@ -347,7 +336,6 @@ Chord_lyrics_spacing_engraver =
((rest-interface this-engraver grob source-engraver)
(set! rest-count (+ 1 rest-count))
(set! last-rest grob)
(set! multi-measure-rest-count 0)
)
))))