On Thu, Sep 19, 2013 at 11:01 AM, David Nalesnik
<[email protected]>wrote:
> Hi Benjamin,
>
>
[...]
> This is what I come up with:
>
[...]
OK, that was unnecessarily roundabout. Why bother with columns when I have
access to all grobs, and I can just compare LyricText grobs?
Try this:
(Again, should work on 2.16.1.)
%%%%%%%%%%%%%%%%%%%%
\version "2.17.25"
#(define (my-callback grob)
(let* ((text (ly:grob-property-data grob 'text))
(refp (ly:grob-system grob))
; This returns all grobs in a line.
(all-grobs (ly:grob-array->list
(ly:grob-object refp 'all-elements)))
; We're only interested in LyricText grobs.
(just-syllables
(filter
(lambda (x) (grob::has-interface x 'lyric-syllable-interface))
all-grobs))
; We want the first LyricText grob in the system. We must locate
this
; by position, since grobs don't seem to be listed in order in the
; 'all-elements grob array.
(first-syl
(fold
(lambda (elem prev)
(if (< (ly:grob-relative-coordinate elem refp X)
(ly:grob-relative-coordinate prev refp X))
elem
prev))
(car just-syllables)
just-syllables)))
; If our LyricText grob is the first on the line, override its stencil.
(if (eq? grob first-syl)
(begin
(ly:grob-set-property! grob 'text
#{ \markup \combine #text \translate #'(1.6 . -0.5) \draw-line
#'(-4 . 0) #})
(ly:grob-set-property! grob 'stencil (lyric-text::print
grob))))))
melody = \repeat unfold 16 g'4
lyr = \lyricmode {
\repeat unfold 16 sol
}
\score {
\new Staff <<
\new Voice = "voice" {
\melody
}
\new Lyrics \with {
\override LyricText #'after-line-breaking = #my-callback
} \lyricsto "voice" \lyr
>>
}
\paper {
indent = 0
line-width = 5.5\cm
}
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