Details
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Bug
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Resolution: Done
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P1: Critical
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5.4.0, 5.4.1
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None
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667f3abc50082b4f8c68bc6ddd3c896dcd2635bc, dc62f15d799440f57954bea61e14669ff2990149, 08f268ba22ddb129ab0bb29cef7494be067d8dfc
Description
Setting QT_DEVICE_PIXEL_RATIO=auto on X11 leads to several problems with multiple monitors:
- Layouts are broken due to wrong fontMetrics
- windows do not get repainted properly on screen change
- menus do not work
- we get X errors because the backingstore is the wrong size
- windows sometimes end up on the wrong screen