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I have problem with lxqt with kwin 5 installed packages kwin systemsettings oxygen but something is missing as plasma 5 settings panel don't show nothing.
To add kwin window decoration and effects configuration need systemsettings installed and working.

Code: Select all

systemsettings5
iconTheme "oxygen"
"Cannot find Transcript plugin."
Couldn't start kglobalaccel from org.kde.kglobalaccel.service: QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name org.kde.kglobalaccel was not provided by any .service files")
Shortcut for action  "options_configure" "Configure" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Shortcut for action  "searchText" "" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
Couldn't start kded5 from org.kde.kded5.service: QDBusError("org.freedesktop.DBus.Error.ServiceUnknown", "The name org.kde.kded5 was not provided by any .service files") , falling back to running kbuildsycoca5
kf5.kservice.sycoca: Trying to open ksycoca from "/home/ozky/.cache/ksycoca5"
kf5.kservice.sycoca: Trying to open global ksycoca from  "/home/ozky/.local/share/kservices5/ksycoca5"
kf5.kservice.sycoca: Still no database...
No ksycoca database available! Tried running kbuildsycoca5 ?
KServiceTypeTrader: serviceType "SystemSettingsCategory" not found
No ksycoca database available! Tried running kbuildsycoca5 ?
KServiceTypeTrader: serviceType "KCModule" not found
No ksycoca database available! Tried running kbuildsycoca5 ?
KServiceTypeTrader: serviceType "SystemSettingsExternalApp" not found
No ksycoca database available! Tried running kbuildsycoca5 ?
KServiceTypeTrader: serviceType "SystemSettingsView" not found


Well systemsettings5 expects more parts of a plasma5 session, like kded5 and an existing ksycoca5.
But that's not an issue with kwin ... so I don't get your point.
And FWIW lxqt so far only supports kwin not kwin5.

Lxqt have full support to kwin 5 take a look that manjaro linux wiki page.
Systemsettings is to change those effects settings and add window decoration as it cannot changed without settings panel.
https://wiki.manjaro.org/index.php?title=LXQt_with_kwin

Then report a bug against systemsettings5 if it doesn't run after installation.

I'd simply install task-lxqt so to get classic kwin, but do whatever you want.

I can use xcompmgr with openbox but it have shadow bug,it's already fixed by compton that's why they suggest to use it by default lxqt devs.

I filed bug to our bugzilla.
https://bugs.mageia.org/show_bug.cgi?id=16302