On Mon, Sep 19, 2011 at 6:06 PM, harm6 <[email protected]>wrote:
>
>
> harm6 wrote:
> >
> > Hi,
> >
> > in the (simplified) example below I can't revert the \override of the
> > SystemStartBracket, although I set \once and tried with \revert.
> > I want the \override to be printed only at the first time occuring in the
> > score.
>
Hi Harm,
It seems that you have to treat SystemStartBracket as a broken spanner in
this case..
This works:
\version "2.14.2"
#(define (my-callback grob)
(let* ((orig (ly:grob-original grob))
(siblings (if (ly:grob? orig)
(ly:spanner-broken-into orig)
'())))
(if (eq? (car siblings) grob) ;; (cadr siblings) will make second-line
bracket red, etc.
(ly:grob-set-property! grob 'color red))))
one = \relative c' {
\once\override StaffGroup.SystemStartBracket #'color = #my-callback
a1 \break
a \break
a
}
two = \relative c' {
c c c
}
\new StaffGroup <<
\new Staff \one
\new Staff \two
>>
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