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QT: EnableHighDpiScaling is breaking ui on Linux #58

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beatreichenbach opened this issue Oct 7, 2023 · 1 comment

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beatreichenbach commented Oct 7, 2023

The AA_EnableHighDpiScaling attribute being set on the QApplication on startup is breaking the UI on Linux Rocky 8.7 on a couple different 2560x1440 screens.

I have not found any reason for this yet, it seems to not accurately calculate size hints with this setting on. The addons run through the dcc QApplications run fine.

ayon-launcher/common/ayon_common/ui_utils.py

Line 24 in de19dc0

"AA_EnableHighDpiScaling",

The text was updated successfully, but these errors were encountered:

MustafaJafar added the community contribution label

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beatreichenbach commented Feb 21, 2024

Another workaround is setting an environment variable QT_FONT_DPI=96.

I think for now I will use this, until I run into issues with 4k screens. I believe this is only an issue with X and might disappear on Wayland.

More information here:

https://stackoverflow.com/questions/59947058/why-doesnt-qtaa-disablehighdpiscaling-disable-high-dpi-scaling-and-why-does

https://bugreports.qt.io/browse/QTBUG-67928

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