https://bugs.kde.org/show_bug.cgi?id=466029
Bug ID: 466029
Summary: Big icons in task switcher when previews are disabled
get be blurry, despite qualitative enough icons
available
Classification: Plasma
Product: plasmashell
Version: master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Task Manager and Icons-Only Task Manager
Assignee: plasma-b...@kde.org
Reporter: porke...@gmail.com
Target Milestone: 1.0
SUMMARY
When using a player such as mpv in fullscreen, it disables window previews in
the task switcher (don't know why, and would definitely be interested to
understand why - I just noticed GIMP shows the document we work on besides its
own icon - it's still not the window preview anymore)
When previews get disable, task switcher shows high quality icons. But for some
software, the icon is blurry and shows a bad quality, despite having high
quality material available. I don't know which size the task switcher is
looking for, and at first I thought it was a bad quality conversion with
Alacritty icon as, by looking into `/usr/share/icons/hicolor/` (I'm guessing
this is where icons are picked from) I saw there was only a svg, svg that was
able to be high quality whatever the size, but could end-up with a bad quality
conversion to png.
But then I noticed that Element was also affected. And element had a large
choice of sizes available:
```
$ fd element /usr/share/icons/hicolor/
/usr/share/icons/hicolor/128x128/apps/io.element.Element.png
/usr/share/icons/hicolor/16x16/apps/io.element.Element.png
/usr/share/icons/hicolor/24x24/apps/io.element.Element.png
/usr/share/icons/hicolor/256x256/apps/io.element.Element.png
/usr/share/icons/hicolor/48x48/apps/io.element.Element.png
/usr/share/icons/hicolor/512x512/apps/io.element.Element.png
/usr/share/icons/hicolor/64x64/apps/io.element.Element.png
/usr/share/icons/hicolor/96x96/apps/io.element.Element.png
/usr/share/icons/hicolor/scalable/apps/io.element.Element.svg
```
See the screenshots I'll join
STEPS TO REPRODUCE
1. Open affected software such as Element or Alacritty
2. Play a video with mpv in fullscreen mode so that previews get disabled
3. Use task switcher and see how these icons are blurry.
OBSERVED RESULT
Some icons are blurry in the task switcher when previews are off
EXPECTED RESULT
These icons shouldn't be blurry
SOFTWARE/OS VERSIONS
ArchLinux
Linux/KDE Plasma: 5.27.0
(available in About System)
I'm not seeing an "About System", where should it be looked for?
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
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