https://bugs.kde.org/show_bug.cgi?id=445741
Bug ID: 445741
Summary: "Fullscreen" in window menu is disabled in all KDE/Qt
apps, with 250% zoom and certain screen resolution
Product: kwin
Version: 5.23.3
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
When global scaling is set to 250%, and with certain screen resolution
(3200x2000: bug, 2000x1000: bug, 3000x1800: ok), the "Fullscreen" item in
window menu is grayed out in all KDE/Qt apps. Other apps (e.g. Gnome apps,
Firefox) is OK.
STEPS TO REPRODUCE
1. Xephyr -screen 2000x1000 :1
2. docker run --name kde --env [DISPLAY=:1] -v /tmp/.X11-unix:/tmp/.X11-unix
docker.io/kdeneon/plasma:user
3. [in Xephyr] Open systemsettings.
4. [in Xephyr] In "display configuration", set "global scale" to 250%.
5. [in Xephyr] Log out.
6. docker start kde
7. [in Xephyr] Open dolphin.
8. [in Xephyr] In window menu - more actions, "Fullscreen" is grayed out.
9. Repeat step 3-8, but set "global scale" to 200%. Everything works.
10. docker rm --force --volumes kde
11. Xephyr -screen 3000x1800 :1
12. Repeat step 2-9. Everything works.
OBSERVED RESULT
"Fullscreen" window menu is grayed out, only in the combination of:
1. KDE/Qt apps
2. 250% zoom
3. Certain resolutions (3200x2000, 2000x1000)
EXPECTED RESULT
"Fullscreen" window menu clickable.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
(setup #1: KDE Neon docker image)
KDE Plasma Version: 5.23.3
KDE Frameworks Version: 5.87.0
Qt Version: 5.15.3
(setup #2: archlinux, physical machine)
KDE Plasma Version: 5.23.3
KDE Frameworks Version: 5.88.0
Qt Version: 5.15.2
ADDITIONAL INFORMATION
Perhaps this is related to https://bugs.kde.org/show_bug.cgi?id=435674 , as
both only occurs in 250% zoom and certain resolution?
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