Re: \applyContext, StaffSymbol, and \stopStaff \startStaff

[David Kastrup]

Paul Morris <address@hidden> writes:

>> On Oct 19, 2015, at 1:56 AM, David Kastrup <address@hidden> wrote:
>> 
>> I think your main problem is that you are using \applyContext here at
>> Voice level where it does not really do anything worthwhile.
>
> Ah, I see.
>
>> Try \context Staff \applyContext …
>
> That did the trick and now it works, thanks!
>
> \version “2.19.22” 
>
> myfunc =
> #(define-music-function () ()
>    #{
>      \context Staff
>      \applyContext
>      #(lambda (context)
>         ;; access context properties and pick a property setting based on 
> them...
>         (ly:context-pushpop-property context 'StaffSymbol 'color green))
>      \stopStaff
>      \startStaff
>    #})

Frankly, anything wrong with

    \temporary \override Staff.StaffSymbol.color = #green

here?

Assuming you want a temporary override (which is what
ly:context-pushpop-property does) in order to be able to revert to the
previous setting afterwards.

-- 
David Kastrup