https://bugs.kde.org/show_bug.cgi?id=484992
Bug ID: 484992
Summary: Task Switcher does not get focus for XWayland windows
and tab gets "forwarded" to original window
Classification: Plasma
Product: kwin
Version: 6.0.3
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: input
Assignee: kwin-bugs-n...@kde.org
Reporter: mailport+kdeb...@mikescher.com
Target Milestone: ---
# SUMMARY
When the current focus in in an XWayland application/windows and I switch to
the over-next window (by pressing Alt+Tab+Tab) the second tab will also be
registered inside the application
# STEPS TO REPRODUCE
1. Open a xwayland application (preferably one with a textarea input - for
easier debugging).
2. Set the input focus into the textarea.
3. Press Alt+Tab+Tab to switch two windows further (aka HOLD-ALT PRESS-TAG
PRESS-TAB RELEASE-ALT)
4. Go back to the original window and observe that one tab was pressed
# OBSERVED RESULT
The second tab of the Alt-Tab-Tab was forwarded (?) to the original window
# EXPECTED RESULT
The task-switcher should "swallow" the key presses (the first tab seems to be
swallowed, but not all further presses)
# SOFTWARE/OS VERSIONS
KDE Plasma Version: 6.0.3
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.3
Kernel Version: 6.8.2-arch2-1 (64-bit)
Graphics Platform: Wayland
# ADDITIONAL OBSERVATIONS
- This only works in XWayland windows (confirmed in IntelliJ Goland, Webstorm,
Bitwarden, MongoDB Compass, non-wayland-VSCodium)
- In native Wayland applications I can't reproduce it (aka firefox, Dolphin,
Konsole, ....)
- The bug is not specific to the tab key, If I [HOLD-ALT] [Tab] [ARROW-DOWN]
[ARROW-DOWN] [RELEASE-ALT], then the two arrow presses do also appear in the
original application
- The task-switcher behaves completely normal during all this - meaning both
applications (teh task-switcher and the originally focused window) receive the
key press
- Does not happen when I switch to X11
- Does happen independent which task switcher I chose in the settings (tested
"Modern Informative", Compact, "Thumbnail Grid")
- It happens consistently, I can reproduce it every time I try
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