Bug#954658: Info received (Bug#954658 closed by Dennis Braun <d_braun@kabelmail.de> (Re: qjackctl: Frames/Period setting not always saved when it's the only setting changed.))

[Aaron Wyatt <dev@psi-borg.org>]

To make it even clearer for the upstream developer, it's a data 
synchronisation issue between the instances of qjackctlSetupForm and 
qjackctlMainForm. When the Frames/Period setting is changed, yes jackd 
is notified. But the new setting isn't stored in the qjackctlSetup 
object that both forms share a reference to. As well as the change not 
being written to disk, the main form is unaware of the fact that a 
change has even happened. So press stop and play on the main form and 
the new instance of jackd uses the old, incorrect values. The patch I've 
written corrects that issue. It doesn't force an additional, unnecessary 
restart on the jack server.

Likewise, when cancel is hit on the form, the old (and correct) values 
stored in m_pSetup aren't written back to the user interface. (Because 
the existing instance of the form is used, and it's not reinitialised.)
Cheers,
Aaron

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