https://bugs.kde.org/show_bug.cgi?id=494579
Bug ID: 494579
Summary: 6.2.0 causes Shift+Alt (but not Alt+Shift) to trigger
Meta modifier-only shortcut
Classification: Plasma
Product: plasmashell
Version: 6.2.0
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: redb...@redbearnet.com
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
SUMMARY
Some Arch users were talking about (and confirming) this phenomenon on Reddit:
https://www.reddit.com/r/kde/comments/1g13943/a_keyboard_shortcut_i_cant_find_listed_in_the/
After updating my Fedora 40 system to Plasma 6.2.0, the same issue is present
for me, if I have the "Meta" modifier-only shortcut enabled. If that shortcut
is enabled, pressing Shift+Alt (but not Alt+Shift) will also trigger the same
shortcut action.
Moving the Meta-only shortcut to something other than the app launcher, like
krunner, shows that Shift+Alt (but not Alt+Shift) will always trigger the
Meta-only shortcut action, regardless of what it is set to. So it's not
connected to the app launcher, the Shift+Alt modifier sequence just somehow
triggers the Meta-only shortcut action.
Disabling the Meta-only shortcut will stop the Shift+Alt sequence from doing
anything.
For the action to happen you have to press Shift+Alt and then release with no
further keys. Other shortcuts involving Shift+Alt+key seem to work correctly.
Trying to set "Shift+Alt" as a modifier-only shortcut results in the Input box
showing that you pressed "Meta+Shift", and on occasion I would get the dialog
saying "Meta+Shift" is assigned to the action I was trying to assign
"Shift+Alt" to. If I press "Alt+Shift" instead, the Input box would just show
that I pressed "Alt+Shift".
If you actually try to use the resulting "Meta+Shift" shortcut, you of course
need to actually press Meta and Shift. It doesn't work with "Shift+Alt".
STEPS TO REPRODUCE
1. Update an Arch or Fedora (or any?) distro to Plasma 6.2.0
2. Make sure the Meta-only shortcut is enabled with some action.
3. Press "Shift+Alt" and release. The Meta-only action should be triggered.
EXPECTED RESULT
The Shift+Alt sequence should not perform any action unless it was assigned to
some action as a modifier-only key sequence shortcut.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora 40 Workstation with KDE Plasma 6.2.0
KDE Plasma Version: 6.2.0
KDE Frameworks Version: 6.7.0
Qt Version: 6.7.2
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