[dolphin] [Bug 476881] New: File list isn’t correctly refreshed on scroll

[Barnaby]

https://bugs.kde.org/show_bug.cgi?id=476881

            Bug ID: 476881
           Summary: File list isn’t correctly refreshed on scroll
    Classification: Applications
           Product: dolphin
           Version: 23.08.1
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: barnaby at waterpigs.co.uk
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 163076
  --> https://bugs.kde.org/attachment.cgi?id=163076&action=edit
broken rendering after having switched between view modes

SUMMARY
In some cases, both the dolphin application and the dolphin file picker called
from other applications (e.g. to upload files from firefox) stops rendering the
file list correctly, only refreshing a small portion of the screen when
scrolling, changing location etc.

STEPS TO REPRODUCE
I haven’t managed to find a 100% reliable way of reproducing this yet. It
definitely happens most often in file pickers called from Firefox, but I have
seen it in the standalone Dolphin app too.

In some cases it seems to be folder-specific, where one folder will work file,
then I move to a folder which triggers the bug (often my Downloads folder), and
from then on the UI is broken.

Resizing the window causes a full-window refresh, but rendering is broken again
as soon as I scroll.

The rendering issue happens in all view modes, and, once triggered, persists
when switching view modes.

OBSERVED RESULT
Broken rendering

EXPECTED RESULT
Normal rendering

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 23.10
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.10
Kernel Version: 6.5.0-10-generic (64-bit)
Graphics Platform: Wayland
Processors: 20 × 12th Gen Intel® Core™ i7-12700H
Memory: 31.1 GiB of RAM
Graphics Processor: Mesa Intel® Graphics

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