Problem when manipulating QT window geometry

Marcus Nolte nolte at ...254...
Wed Sep 17 09:16:52 CEST 2014

Hi Christian(s),

Thanks for the link. I stumbled upon that one after some research 
yesterday, too.
I guess that's another chapter in "lessons learned" ;-)


Am 16.09.2014 12:43, schrieb Christian Prochaska:
> Hello Marcus,
> On 09/16/2014 10:27 AM, Marcus Nolte wrote:
>> Hey Christian,
>> Thanks for your reply.
>> I built a little test case and played around a little more.
>> When I emit a QtSignal, which is connected to  a slot where the resizing
>> is done, everything works properly (with and without your provided patch).
>> Still, with the patch, simply invoking a method which resizes the window
>> fails.
>> Since I am definitely no expert on Qt, I can't really say if this is a
>> genode-related problem or if I am using Qt improperly here.
> I was not sure about that either, but found this interesting document,
> which states that GUI objects can only be used from the main thread:
> Christian
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