https://bugs.kde.org/show_bug.cgi?id=458476
Bug ID: 458476
Summary: Qt Theme
Product: okular
Version: 22.08.0
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: okular-de...@kde.org
Reporter: jamesedwa...@gmx.de
Target Milestone: ---
Created attachment 151686
--> https://bugs.kde.org/attachment.cgi?id=151686&action=edit
Picture of the broken theme compared to the correct theme application after
downgrade.
SUMMARY
After the upgrade to version 22.08.0 via pacman the QT_QPA_PLATFORMTHEME
environment variable override which I set to `gnome` seems to no longer be
respected. The `gnome` theme is supposed to integrate QT applications visually
into the Gnome desktop and should in this case result in a dark Adwaita-like
theming. It is part of the package qgnomeplatform-qt5.
However, the theme is a mashup of light background with dark buttons (see
attachment). I use the GNOME DE version 42.4 with Wayland. Okular runs in
XWayland as QT_QPA_PLATFORM=wayland is NOT set. This bug is only present in
Okular, no other QT application (e.g. owncloud-client, qt5ct) work fine. The
bug disappears after downgrading the okular package to version 22.04.3-1 from
the Arch Linux repositories.
STEPS TO REPRODUCE
1. Install the current Arch Linux version
2. Install qgnomeplatform-qt5
3. Set the QT_QPA_PLATFORMTHEME=gnome environment variable
4. Open a pdf in okular
OBSERVED RESULT
The Okular QT theme is broken.
EXPECTED RESULT
The Okular QT theme should correspont to the one set in the
QT_QPA_PLATFORMTHEME environment variable.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux Kernel: 5.19.4-arch1-1
(available in About System)
KDE Plasma Version:
KDE Frameworks Version: 5.97.0
Qt Version: 5.15.5 (built against 5.15.5)
ADDITIONAL INFORMATION
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