https://bugs.kde.org/show_bug.cgi?id=491493
Bug ID: 491493
Summary: Touchscreen mode breaks window geometry handling
between fullscreen and maximized
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@sausenthaler.de
Target Milestone: ---
SUMMARY
With having touchscreen mode enabled (set to always) the title bar grows in
size and probably breaks window geometry calculations.
Toggling applications into fullscreen and back, then the window geometry grows
in height and exceeds the bottom border.
It does not happen and is consistent if touchscreen mode is off.
STEPS TO REPRODUCE
1. Enable touchscreen mode in systemsettings.
2. Open any application which plays video and supports fullscreen (mpv,
chromium:youtube, etc.)
3. Maximize it (not fullscreen)
4. Now goto fullscreen and exit to maximized again.
5. Repeat step 4 a few times and the effect cumulates more significantly.
OBSERVED RESULT
After restoring to maximized the window geometry changed. The window grows in
height and even surpasses the bottom egde of the screen.
EXPECTED RESULT
Maximized stays maximized after each fullscreen toggle cycle.
Can't test on another machine currently because of systemsettings don't show up
(Log: qt.qpa.wayland: eglSwapBuffers failed with 0x300d, surface: 0x0)
Probably an unfixed fragment of #478442
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.1.3
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
Kernel Version: 6.10.3-arch1-1 (64-bit)
Graphics Platform: Wayland
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