Re: Displaying StaffGroupBar after tweak

[Karim Haddad]

Dear Jean,

A million thanx. That's great it works like a charm.
You made my day!


Best
Karim

On Sun, Jun 25, 2023 at 08:38:18PM +0200, Jean Abou Samra wrote:
> Le vendredi 16 juin 2023 à 15:24 +0200, Jean Abou Samra a écrit :
> 
> 
> > > 
> > I don't have the time to find a solution right now, but for a start, here 
> > is already a more "M" MWE: [...]
> 
> 
> 
> This appears to work better:
> 
> 
> 
> ```
> \version "2.24.1"
> 
> #(define (Workaround_engraver context)
>    (let ((bars '())
>          (staff-symbol #f)
>          (new-staff-symbol #f))
>      (make-engraver
>       (acknowledgers
>        ((staff-symbol-interface engraver grob source-engraver)
>         (set! new-staff-symbol grob))
>        ((bar-line-interface engraver grob source-engraver)
>         (set! bars (cons grob bars))))
>       ((stop-translation-timestep engraver)
>        (for-each (lambda (bar)
>                    (ly:grob-set-object! bar 'staff-symbol (or staff-symbol 
> new-staff-symbol)))
>                  bars)
>        (when new-staff-symbol
>          (set! staff-symbol new-staff-symbol)
>          (set! new-staff-symbol #f))
>        (set! bars '())))))
> 
> kHide = {
>   \stopStaff
>   \override Staff.StaffSymbol.line-count= 1
>   \startStaff
> }
> 
> \new StaffGroup << 
>   \new Staff \with { \consists #Workaround_engraver } { R1 R1 \break \kHide 
> R1 R1 }
>   \new Staff { R1 R1 R1 R1 }
> >> 
> ```
> 



-- 
Karim Haddad

Music Representations Team, IRCAM
Research and development manager.
email   : karim.haddad@ircam.fr
webpage : http://karim.haddad.free.fr