https://bugs.kde.org/show_bug.cgi?id=485728
Bug ID: 485728
Summary: Some apps launched via Dolphin completely ignore
system theme settings
Classification: Applications
Product: dolphin
Version: 24.02.2
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: dolphin-bugs-n...@kde.org
Reporter: l33t...@gmail.com
CC: kfm-de...@kde.org
Target Milestone: ---
SUMMARY
If using Dolphin outside Plasma6 (In my case with the AwesomeWM window
manager), some applications launched via it completely ignore the system theme
settings (even the systemsettings-defined fonts!) and start using the default
white theme. The same applications, when started either via the menu or
terminal, properly use the correct theme.
There are some variations on how this works:
- some applications (for example ark, calibre) stay on the white theme until
closed
- then, for example gwenview (please see
https://pasteboard.co/9MnEYXumh8RR.png) starts with the white theme, but
returns to the correct theme after being fullscreened (left: before, right:
after)
- Sometimes even Qt5 applications are affected! Smplayer's configuration dialog
changes according to whether it was launched via Dolphin or via menu/terminal
(please see https://pasteboard.co/w1aEiwZ9tY56.png, the left image is via
Dolphin)
This issue didn't exist on the earlier Qt5 version of Dolphin.
OBSERVED RESULT
KDE6/Plasma6 theme handling is b0rked
EXPECTED RESULT
All application should use the systemsettings-defined theme, regardless of how
they are started, without exceptions.
SOFTWARE/OS VERSIONS
Linux: Arch Linux/X11
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
ADDITIONAL INFORMATION
Theme settings:
- Kvantummanager: KvArcDark
- Qt6ct: Kvantum-dark
- Systemsettings/Colors: KvArcDark
- Systemsettings/Application Style: Qt6ct-style
- QT_QPA_PLATFORMTHEME=qt6ct
- QT_STYLE_OVERRIDE unset
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