Created attachment 105870 [details] downloaded themes are listed like that Custom window decorations are broken. Only the default ones -- Plasma, Plastik and Oxygen -- work. The downloaded themes are listed with glitches in system settings (see attachment). And, when applying one of the downloaded theme, the window decoration disappears. This issue seems to happen only with Nvidia cards with proprietary drivers (not sure if it works with nouveau). How to reproduce: 1. Install Nvidia proprietary drivers 2. Open system settings and download a custom window decoration theme (like Arc KDE, for example) 3. The downloaded theme is listed with glitches (without the window buttons, or a black rectangle, etc, depending on the theme) 4. Try applying the downloaded theme and the window decoration disappears I tried looking at the kwin output in the terminal when switching to a broken theme, but I don't think it's relevant: kf5.kcoreaddons.desktopparser: Could not locate service type file kservicetypes5/kwin-effect.desktop, tried ("/home/jesse/.local/share", "/usr/local/share", "/usr/share") kf5.kcoreaddons.desktopparser: Could not locate service type file kservicetypes5/kwin-effect.desktop, tried ("/home/jesse/.local/share", "/usr/local/share", "/usr/share")
Had the same issue in Kubuntu 5.10 packages with a Nvidia box. Reverting: https://cgit.kde.org/kwin.git/commit/?h=Plasma/5.10&id=bfbcd0197181657d5dfac953ad77dd3de2ee7e92 seems to at least return the decorations to a working state (I don't use hidpi on that machine).
I tried building kwin previous to that commit Rik mentioned, and indeed, it brings back the decoration and fixes the glitched listing in system settings.
I can confirm this bug on KDE Neon User edition with 5.10. I have a Nvidia 960GTX card and proprietary driver 375.66.
Git commit 5091feb8f60304a4a0cbb15a85f21f3d28b2e85f by David Edmundson. Committed on 05/06/2017 at 09:50. Pushed by davidedmundson into branch 'Plasma/5.10'. Fix Aurorae decorations with non integer DPI Summary: As noted by Thomas L we're casting the scaleFactor to an int far too early, which in the worst case means we end up with Aurorare themes not rendering. This moves the rounding to where it's used per border. Test Plan: Forced Xft.DPI to 95 with xrdb. Confirmed that it was broken Applied this patch. Got decoration again Reviewers: #plasma, mart Reviewed By: #plasma, mart Subscribers: mart, rikmills, plasma-devel, kwin, #kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D6099 M +38 -38 plugins/kdecorations/aurorae/src/lib/themeconfig.cpp https://commits.kde.org/kwin/5091feb8f60304a4a0cbb15a85f21f3d28b2e85f
The commit has been reverted in master. Reopening until it is applied again.
Fix from 5.10 branch was merged to master again.