https://bugs.kde.org/show_bug.cgi?id=460265
Bug ID: 460265
Summary: [WAYLAND] 1 pixel high gap between application content
and window decoration
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: xna...@hydra-development.net
Target Milestone: ---
Created attachment 152720
--> https://bugs.kde.org/attachment.cgi?id=152720&action=edit
example of the bug using Dolphin & FFXIV
SUMMARY
On Plasma Wayland (NVIDIA in my case), there is a 1 pixel high gap between
window decorations and application content. This becomes apparent when the
background application changes the mouse cursor (I highlight the bug using
FFXIV as an example).
This gap is not just cosmetic, it is also functional, meaning if you position
the mouse cursor in that gap, you can click through to the window that's behind
(also showcased in the video).
STEPS TO REPRODUCE
1. Pick any window decoration (I used Breeze)
2. Pick any non-CSD application
3. Position the mouse cursor exactly in the spot where the window decoration
stops (use a background window that changes the mouse cursor for an easy visual
aid)
4. Left click
OBSERVED RESULT
The window in front is "clicked through" and the window in the back is focused.
EXPECTED RESULT
The window in front absorbs the click.
SOFTWARE/OS VERSIONS
Linux: 6.0.0 - Gentoo
(available in About System)
KDE Plasma Version: 5.26
KDE Frameworks Version: 5.99
Qt Version: 5.15.5
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