https://bugs.kde.org/show_bug.cgi?id=466224
Bug ID: 466224
Summary: kwin needs an argument to configure in a locked down
mode specific for login managers (sddm, etc.) and
setup wizards (pico-wizard)
Classification: Plasma
Product: kwin
Version: 5.27.0
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
For SDDM's Plasma Wayland mode, it attempts to use kwin as the Wayland
compositor. However, kwin doesn't have a dedicated mode to run in a way
suitable for a display/login manager or initial setup wizard to use it. Right
now in Fedora, we're fumbling around with a bunch of options and a couple of
patches to get close, but there are pitfalls with our current approach:
1. VT switching is no longer disabled when global shortcuts are turned off
2. Turning off global shortcuts is a *big* hammer
3. kwin still tries to generate weird configuration files in / and /root
directories (https://pagure.io/fedora-kde/SIG/issue/119 and
https://pagure.io/fedora-kde/SIG/issue/144)
4. No straightforward way to configure the login manager environment
As we consolidate our graphics rendering paths onto kwin, we need some way to
trivially invoke a "simple" mode that avoids these problems and can be used for
locked down/secure/basic environments.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora Linux 38 (KDE Plasma)
(available in About System)
KDE Plasma Version: 5.27.0
KDE Frameworks Version: 5.103
Qt Version: 5.15.8
ADDITIONAL INFORMATION
This was sparked by the MRs submitted to "fix" SDDM Plasma Wayland mode for
Fedora.
References:
* https://invent.kde.org/plasma/plasma-workspace/-/merge_requests/2650
* https://invent.kde.org/plasma/kwin/-/merge_requests/3657
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