diff --git a/verses_with_chords.ly b/verses_with_chords.ly index 7095d2e..138a565 100644 --- a/verses_with_chords.ly +++ b/verses_with_chords.ly @@ -253,6 +253,113 @@ (make-pad-right-markup -0.1 (make-tied-lyric-markup text)) text)))) +Chord_lyrics_spacing_engraver = +#(lambda (ctx) + (let ((last-note-head #f) + (note-head-extended #f) + (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-rest #f) + (rest-count 0) + (multi-measure-rest-count 0) + (stanza-shift 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-rest #f) + (set! rest-count 0) + (set! multi-measure-rest-count 0) + (set! stanza-shift 0) + )) + (acknowledgers + ((note-head-interface this-engraver grob source-engraver) + (if (and (> rest-count 0) (not last-note-head)) + (let ((rest-spacing-on-line-start 1.2)) + (ly:grob-set-property! grob 'minimum-X-extent (cons (- rest-spacing-on-line-start) 0)) + (set! stanza-shift rest-spacing-on-line-start) + )) + (set! notes-on-syllable-count (+ 1 notes-on-syllable-count)) + (set! last-note-head grob) + (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-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)) + ) + ((chord-name-interface this-engraver grob source-engraver) + (if (not (and + (boolean? (ly:grob-property grob 'begin-of-line-visible)) + (ly:grob-property grob 'begin-of-line-visible))) + (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)) + (last-note-min-x-upper (if (pair? last-note-min-x-extent) (cdr last-note-min-x-extent) 0))) + (if on-a-rest + (begin + (if (not note-head-extended) + (begin + (ly:grob-set-property! last-note-head 'minimum-X-extent + (cons last-note-min-x-lower (- last-lyric-syllable-width -2 (* 2.2 rest-count)))) + (set! note-head-extended #t) + )) + (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)) + (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)) + (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) + (ly:grob-set-property! last-note-head 'minimum-X-extent + (cons (- note-width-since-last-chord remaining-chord-width) last-note-min-x-upper)) + ) + ) + ) + ))) + (set! last-chord-name grob) + (set! remaining-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)))) + (set! lyric-width-since-last-chord 0) + (set! notes-on-syllable-count (if on-a-rest 0 1)) + )) + ) + ((rest-interface this-engraver grob source-engraver) + (set! rest-count (+ 1 rest-count)) + (set! last-rest grob) + (set! multi-measure-rest-count 0) + ) + ((stanza-number-interface this-engraver grob source-engraver) + (ly:grob-set-property! grob 'padding (+ 1 stanza-shift))) + )))) + +%#(ly:set-option 'debug-skylines #t) + #(define-markup-command (chordlyrics layout props lyrics) (ly:music?) #:properties ((verse-chords #{#}) (verse-reference-voice #{#}) @@ -298,6 +405,8 @@ % \override SpacingSpanner.strict-note-spacing = ##t \override SpacingSpanner.uniform-stretching = ##t \override SpacingSpanner.spacing-increment = 0 + %\override SpacingSpanner.packed-spacing = ##t + \consists \Chord_lyrics_spacing_engraver \remove Bar_number_engraver \remove Mark_engraver \remove Jump_engraver @@ -330,9 +439,10 @@ \NullVoice \consists Rest_engraver \omit Rest + \override Rest.X-extent = #'(0 . 0) \undo \omit NoteHead \hide NoteHead - \override NoteHead.X-extent = #'(0 . 0) + \override NoteHead.X-extent = #'(0 . 0.5) } } }