https://bugs.kde.org/show_bug.cgi?id=448141
Bug ID: 448141
Summary: QT_SCALE_FACTOR breaks applications on Wayfire
Product: frameworks-kwayland
Version: 5.89.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: mgraess...@kde.org
Reporter: t...@r.je
CC: kwin-bugs-n...@kde.org
Target Milestone: ---
I'm not sure if this is a KDE Frameworks bug QT bug or Wayfire bug but it only
happens in Qt applications on Wayland in Wayfire (it may happen in other window
managers like Sway).
Run `QT_SCALE_FACTOR=2 dolphin` (or `QT_WAYLAND_FORCE_DPI=192 dolphin`) to
adjust the scaling. Dolphin works, the keyboard inputs are recognized but the
mouse pointer does not register clicks (or registers them in the wrong place on
the screen)
The console prints:
QImage::pixel: coordinate (0,0) out of range
which does not come up when running without setting the scale factor. Without
the scale factor Dolphin (or other kde apps) works perfectly, it's only when
setting QT_SCALE_FACTOR (and number <> 1) that things break. As such, it seems
to be a frameworks issue, not a compositor issue.
When it's set KDE applications (e.g. Dolpin, ktorrent) do not accept cursor
clicks correctly.
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