> On 13 Feb 2020, at 18:53, Thiago Macieira <thiago.macie...@intel.com> wrote:
> 
> On Tuesday, 28 January 2020 19:14:50 PST Thiago Macieira wrote:
>> I don't know what makes KMail different. I thought it was the use of a
>> qtwebengine window, but the qtwebengine examples seem to work fine.
>> 
>> My current theory is embedding of X11 content
>> (QWidget::createWindowContainer, use of QWindow::fromWinId, etc.). Which
>> example should I try?
> 
> I can confirm krdc is affected just the same way that KMail and VirtualBox 
> are: it works on screen 1, but fails to repaint on screen 2.
> 
> It's a much simpler application than KMail to debug. I can reproduce this by 
> using it to VNC into my Mac machine or to RDP into my Windows one. The trick 
> must be here somewhere:
> 
> https://github.com/KDE/krdc/tree/master


Thanks, I’ll see if I can get krdc running in a VM here.

Morten


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