Bug 478526 - "Alt + Shift + Tab" task switcher doesn't work
Summary: "Alt + Shift + Tab" task switcher doesn't work
Status: RESOLVED DUPLICATE of bug 438991
Alias: None
Product: plasma-wayland-protocols
Classification: Plasma
Component: general (show other bugs)
Version: 1.10.0
Platform: Other Linux
: NOR normal
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords: qt6, regression
Depends on:
Blocks:
 
Reported: 2023-12-14 21:19 UTC by Rafael Linux User
Modified: 2023-12-16 15:05 UTC (History)
5 users (show)

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Latest Commit:
Version Fixed In:


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Description Rafael Linux User 2023-12-14 21:19:08 UTC
SUMMARY
Since a few weeks ago (last Plasma update for openSUSE Tumbleweed) the key combination "Alt + Shift + Tab" doesn't work, it doesn't respond, so to get to the previous task window, I have to scroll through all the open windows until I get back to the task I was in. 

STEPS TO REPRODUCE
1. Log in Plasma with Wayland session
2. Open 3  applications windows
3. Press "Alt" and hold it,  while keying "Tab" to change to 3rd task window
4. Press "Alt + Shift" and hold them, while keying "Tab" to change to previous task window

OBSERVED RESULT
To show Change to previous task window doesn't work, nothing happens

EXPECTED RESULT
Plasma should cycle among the three task windows in reverse order

SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20231206
KDE Plasma Version: 5.27.9
KDE Frameworks Version: 5.112.0
Qt Version: 5.15.11
Kernel Version: 6.6.3-1-default (64-bit)
Graphics Platform: Wayland
Processors: 24 × AMD Ryzen 9 3900X 12-Core Processor
Memory: 31.3 GiB of RAM
Graphics Processor: AMD Radeon RX 7600
Product Name: B550M Phantom Gaming 4

ADDITIONAL INFORMATION
cmake(PlasmaWaylandProtocols) = 1.10.0
plasma-wayland-protocols = 1.10-1.3
plasma-wayland-protocols(x86-64) = 1.10-1.3
Comment 1 Vincenc Elias 2023-12-14 22:13:20 UTC
Thanks for your report!
I tried it in the latest tumbleweed version of openSUSE 20231213 and it worked as intended. Try switching to the latest version. 
There is a newer version of plasma so it may help.
Comment 2 fanzhuyifan 2023-12-15 07:22:34 UTC
Can reproduce.

Steps to reproduce:
1. Go to settings -> shortcuts -> kwin
2. Find walk through windows reverse
3. assign Alt+Shift+Tab as shortcut

Observed behavior:
Alt+Shift+Tab does not work.

So if you manually edit .config/kglobalshortcutsrc and change Tab to Backtab, then it works again.
Comment 3 fanzhuyifan 2023-12-15 07:28:21 UTC

*** This bug has been marked as a duplicate of bug 438991 ***
Comment 4 Rafael Linux User 2023-12-15 19:51:48 UTC
(In reply to Vincenc Elias from comment #1)
> Thanks for your report!
> I tried it in the latest tumbleweed version of openSUSE 20231213 and it
> worked as intended. Try switching to the latest version. 
> There is a newer version of plasma so it may help.

After "sudo zypper dup", nothing changed about issue. I must add that I didn't change shortcuts for task switching, only global shortcuts for QMMP control.

Operating System: openSUSE Tumbleweed 20231214
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.112.0
Qt Version: 5.15.11
Kernel Version: 6.6.6-1-default (64-bit)
Graphics Platform: Wayland
Processors: 24 × AMD Ryzen 9 3900X 12-Core Processor