https://bugs.kde.org/show_bug.cgi?id=404288
Bug ID: 404288
Summary: Window switching broken if capslock is mapped to super
key
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: input
Assignee: kwin-bugs-n...@kde.org
Reporter: jpakk...@gmail.com
Target Milestone: ---
Replicating the issue, Kubuntu 18/10 Xorg, Wayland not tested
1. map window switching to super+tab instead of alt+tab
2. map caps lock to super key with the following xmodmap setting:
clear Lock
keycode 66 = Super_L
3. Open two (preferably three as the issue happens more consistently) different
application windows
4. Press down capslock, press and release tab key once, release capslock
At this point the new window is active but kwin is still holding the "window
selection" mode. It is as if kwin had not received the keyup event from the
capslock key. Pressing any key makes the selector go away and the desired
window to come up, but this swallows one keypress.
If you instead press down capslock, then press down tab, then release capslock
and then release tab, the switch works correctly.
Originally tested on a PS/2 keyboard that does not have a super key using a
PS/2-USB adapter but the issue is also present when using a regular USB
keyboard.
For comparison the same setup works without problems on Ubuntu 18/04 with the
default GNOME desktop.
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