[konsole] [Bug 427681] New: Konsole behaves strangely when setting AllowKDEAppsToRememberWindowPositions=false

[Grzegorz Antoniak]

https://bugs.kde.org/show_bug.cgi?id=427681

            Bug ID: 427681
           Summary: Konsole behaves strangely when setting
                    AllowKDEAppsToRememberWindowPositions=false
           Product: konsole
           Version: 20.08.1
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: antonone+kdebugs at gmail.com
  Target Milestone: ---

SUMMARY

Sorry for such general title, but because of unfamiliarity with KDE codebase,
I'm unable to pinpoint the bug to the specific component. I can see however
that it's visible in Konsole app.

STEPS TO REPRODUCE

Not really sure what's the exact sequence; I can reproduce it on one KDE
installation (on openSUSE) without problems by following the steps described
below, but the bug never happens on another KDE installation (on ArchLinux) and
I can't force it to happen on this another KDE installation.

1. Set `AllowKDEAppsToRememberWindowPositions=false` in ~/.config/kdeglobals
2. Run Konsole
3. Change its size to very small or very large
4. Open 1 additional tab
5. Bug: Konsole should change the window size to some other size.
6. Resize the Konsole window again
7. Switch to another tab
8. Bug: There's a chance that the window will resize itself once again, by
itself.

Then, close the Konsole window. Update AllowKDEAppsToRememberWindowPositions to
'true' or remove this setting (it should be true by default).

If done so, the Konsole window will behave normally without problems.

OBSERVED RESULT

You can see the behavior here: https://www.youtube.com/watch?v=QcS3hDgphNc

On this video, the Konsole window resizes itself, it also confuses the "Show
menu" option: when I turn menu on, switch tab, then menu can hide itself. But
Konsole still will think the menu is shown, because it will hide 'show menu'
option in the context menu! 

Also sometimes when switching tabs, the Konsole window is resized, and "Show
menu" option is reverted to previous setting.

EXPECTED RESULT

Proper Konsole behavior!

SOFTWARE/OS VERSIONS

Operating System: openSUSE Tumbleweed 20201011
KDE Plasma Version: 5.19.5
KDE Frameworks Version: 5.74.0
Qt Version: 5.15.1
Kernel Version: 5.8.14-1-default
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-4770K CPU @ 3.50GHz
Memory: 15.6 GiB of RAM
Graphics Processor: GeForce GTX 970/PCIe/SSE2

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