[texworks] Strange and annoying window focusing problem

[David Woodfall]

On (17:49 28/12/12), Stefan Löffler <st.loeffler at gmail.com> put forth the proposition:
>Hi,
>
>On 2012-12-25 04:24, David Woodfall wrote:
>> Sometimes while I'm typing focus will shift from the input section to
>> the menu, as I'd pressed Alt or something. I'm using fluxbox as window
>> manager but can't seem to find any setting that will stop this
>> behaviour. I don't have problems with other apps. Anyone know about
>> this and perhaps a remedy?
>
>sorry to hear about your problem. AFAIK, there is nothing special in the
>Tw-specific code to cause such a behavior. Maybe it's a problem in the
>Qt library (which we use to create the interface, including the menu)?

I notice that there's a 'follow focus' option in the window menu, but
turning this on/off doesn't seem to make any difference. Could it be
something to do with this function?