Bug 513488

Summary: "Invert" effect doesn't work reliably when "Color Blindness" is also enabled
Product: [Plasma] kwin Reporter: Jin Liu <ad.liu.jin>
Component: effects-variousAssignee: KWin default assignee <kwin-bugs-null>
Status: CONFIRMED ---    
Severity: normal CC: kde, nate
Priority: NOR Keywords: accessibility
Version First Reported In: git master   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Jin Liu 2025-12-17 15:39:24 UTC
STEPS TO REPRODUCE
1. In systemsettings - Accessibility, enable "Color Blindness".
2. Enable "Invert".
3. Press Meta+Ctrl+I

OBSERVED RESULT
Plasma panel is inverted, but app windows are not, until I move the mouse for a few seconds, then all are inverted.

EXPECTED RESULT
Everything inverted at the keypress.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 6.5.80
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.1
Kernel Version: 6.18.1-arch1-2 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600H with Radeon Graphics
Memory: 16 GiB of RAM (15.0 GiB usable)
Graphics Processor: AMD Radeon Graphics
Comment 1 David Redondo 2025-12-18 08:17:01 UTC
For me it's the other way around,  but it seems you have to hover windows to trigger invert.