[konsole] [Bug 444234] New: Sometimes pastes enormous amount of same characters

[ratijas]

https://bugs.kde.org/show_bug.cgi?id=444234

            Bug ID: 444234
           Summary: Sometimes pastes enormous amount of same characters
           Product: konsole
           Version: master
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: keyboard
          Assignee: konsole-devel at kde.org
          Reporter: me at ratijas.tk
  Target Milestone: ---

Created attachment 142761
  --> https://bugs.kde.org/attachment.cgi?id=142761&action=edit
konsole + zsh = wwwwwwwwwwwwwwwwwwwwwww

SUMMARY
Sometimes when switching back (focusing) to a Konsole window, all of a sudden
it gets flooded / filled with same characters as if they were typed in /
pasted.

STEPS TO REPRODUCE
I don't know of any reliable way to trigger this glitch, however I recall it
usually happens under these circumstances:

1. Launch Konsole, with my zsh profile
2. Do something
3. Focus away from Konsole
4. Work with other apps
5. Focus back into Konsole window
6. Type any key

OBSERVED RESULT
Boom! The window is flooded with the same character as if it was pressed and
held for some time, or typed in repeatedly many times. It seems that amount of
characters "pasted" vs. time is a linear dependency.

EXPECTED RESULT
This shouldn't be happening.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.23.80
KDE Frameworks Version: 5.88.0
Qt Version: 5.15.2
Kernel Version: 5.14.12-arch1-1 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-6700HQ CPU @ 2.60GHz
Memory: 15.6 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 970M/PCIe/SSE2

zsh: 5.8-1
zsh-completions: 0.33.0-1
zsh-syntax-highlighting: 0.7.1-1
zsh-theme-powerlevel10k-git: r3923.0a1946b-1

ADDITIONAL INFORMATION
Not sure if it is a bug in Konsole, zsh, or my particular zsh setup.

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