2009/12/5 Glendan Lawler <[email protected]>:
> 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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