On 01/11/2018 04:20 AM, David Kastrup wrote:
Or let grob-transformer do all of the work.
Thanks for the tip! That's the perfect tool for the job. And I can
also use it for other cases where I have been using
before-line-breaking. For the archives, below is the example expanded
to show ly:unpure-call and grob-transformer.
Paul
%%%%%%%%%%
\version "2.19.63"
m = {
c'''
c'''\fermata
c'''\trill
c'''-^
c'''-.
c'''\segno
}
% collisions ahead!
{
\override Staff.StaffSymbol.ledger-extra = 2
\m
}
% using ly:unpure-call
{
\override Staff.StaffSymbol.ledger-extra = 2
\override Staff.Script.Y-offset =
#(lambda (grob)
(+ 1 (ly:unpure-call side-position-interface::y-aligned-side grob)))
\m
}
% using grob-transformer from scm/music-functions.scm
{
\override Staff.StaffSymbol.ledger-extra = 2
\override Staff.Script.Y-offset =
#(grob-transformer
'Y-offset
(lambda (grob default-value) (+ 1 default-value)))
\m
}
%%%%%%%%%%
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