[Development] Qt 5.13 & 5.14 add device-independent pixels to device-dependent

[Morten Sørvig]

> On 14 Feb 2020, at 21:46, Thiago Macieira <thiago.macieira at intel.com> wrote:
> 
> On Friday, 14 February 2020 07:18:10 PST Thiago Macieira wrote:
>> On Thursday, 13 February 2020 14:13:52 PST Christoph Cullmann wrote:
>>> I had in Kate/Konsole and Co. broken repainting as soon as winId() was
>>> called
>>> on any non-native widget, see:
>>> 
>>> https://bugs.kde.org/show_bug.cgi?id=411965
>>> 
>>> If this is unrelated, just ignore me ;=)
>> 
>> It's probably very related. Let me see if I can modify one of our examples
>> to cause this problem.
> 
> Confirmed with examples/widgets/mainwindows/sdi.
> 
> This shows *both* issues:
> 1) when you launch ./sdi and use the menu, it shows up in the wrong screen
> 2) when you resize the window to expand, it produces drawing artifacts

Thanks Christoph and Thiago; I can reproduce both issues.

Morten