Wow, it finally worked! Thanks so much for the help! ^_^
On Sat, Dec 5, 2009 at 6:04 AM, Neil Puttock <n.putt...@gmail.com> wrote:
> 2009/12/5 Glendan Lawler <glendan.law...@gmail.com>:
> > This is very frustrating. Perhaps it has to do with our operating
> systems?
> > What operating system are you on? This is the second time my code has
> > worked fine for other people and not for me. I thought my installation
> > might be corrupted, so I tried reinstalling, but it didn't help. The
> output
> > still looks exactly the same after I apply the tweak. Any ideas on what
> > might be wrong?
>
> I've tested it on Windows XP (2.12.2) and Ubuntu 9.10 (latest git
> master). Both worked fine with your file, though the following test
> snippet always fails:
>
> \relative c' {
> \breakTieUp
> c1 ~ \break
> c1
> }
>
> It seems the tie stencil has already been evaluated in such cases,
> though I'm not sure why it sometimes works in real-world files (it's
> probably related to TieColumn wresting control though).
>
> Try this instead, which should work in all situations:
>
> #(define (my-callback grob)
> (let* (;; have we been split?
> (orig (ly:grob-original grob))
> ;; if yes, get the split pieces (our siblings)
> (siblings (if (ly:grob? orig)
> (ly:spanner-broken-into orig) '())))
>
> (if (and (>= (length siblings) 2)
> (eq? (car (last-pair siblings)) grob))
> (ly:grob-set-property! grob 'direction UP))
> (ly:tie::print grob)))
>
> breakTieUp = \override Tie #'stencil = #my-callback
>
> Regards,
> Neil
>
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