https://bugs.kde.org/show_bug.cgi?id=466739

            Bug ID: 466739
           Summary: wayland: 2 monitor setup with 175%/100% scaling:
                    gwenview home/browse view not rendered correctly after
                    viewing an image
    Classification: Plasma
           Product: plasmashell
           Version: 5.27.2
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: slartibar...@gmail.com
                CC: k...@davidedmundson.co.uk, n...@kde.org,
                    plasma-b...@kde.org
        Depends on: 466683
            Blocks: 466736, 466738
  Target Milestone: 1.0

+++ This bug was initially created as a clone of Bug #466683 +++

Operating System: Fedora Linux 37
KDE Plasma Version: 5.27.2
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 6.1.14-200.fc37.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-7820HQ CPU @ 2.90GHz
Memory: 31,1 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 630

Setup:
Laptop with 2K Laptop screen and a fullhd screen (1920x1080) connected by
displayPort
Use fullHD monitor as 'primary' and perform all tests on the fullHD monitor
(ignore laptop screen)

Go to systemsettings > display config
and set 175% scale for 2K laptop screen, 100% for fullhd screen.
This makes apps/windows on both monitors the same visual size.

Problem:

- open an image folder (e.g.  /usr/share/wallpapers/Next/contents/images/) and
select the 1920x1080 image size picture. Right click and open gwenview on the
full-hd screen

- now, click on browse button (or press Alt-up-arrow)  in gwenview to show the
folder's content
The preview icons are not rendered correctly, stacked over each other and with
various sizes. 
Moving the mouse inside the icons view scrambles the icons until you get a real
mess (the icons become unusable)

This can be fixed by using the slider (zoom in lower right corner of gwenview)
and moving it back and forth to the same zoom-value it had initially. Then the
icons are displayed correctly.


Referenced Bugs:

https://bugs.kde.org/show_bug.cgi?id=466683
[Bug 466683] wayland: 2 monitor setup with 175% scaling on one screen and 100%
on the other causes various problems
https://bugs.kde.org/show_bug.cgi?id=466736
[Bug 466736] wayland: 2 monitor setup with 175%/100% scaling: cannot reposition
screen-miniatures in display config
https://bugs.kde.org/show_bug.cgi?id=466738
[Bug 466738] wayland: 2 monitor setup with 175%/100% scaling: gwenview scales
images having the same pixel size as the screen
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