https://bugs.kde.org/show_bug.cgi?id=482448
Bug ID: 482448
Summary: SDL_SetWindowGrab doesn't work with mouse not hidden
(SDL2, X11 video driver only, Wayland plasma session)
Classification: Plasma
Product: kwin
Version: 5.27.10
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: e...@horse64.org
Target Milestone: ---
SUMMARY
SDL_SetWindowGrab doesn't work with mouse not hidden (SDL2, X11 video driver
only, Wayland plasma session). An example program to compile with SDL2 with
minimal code can be found here, including a video of the bug:
https://github.com/libsdl-org/SDL/issues/9162#issue-2156980130 An SDL2
contributor suggests it works with GNOME, and therefore is likely to be a KWin
bug: https://github.com/libsdl-org/SDL/issues/9162#issuecomment-1977620580 My
apologies if it isn't, I hope this bug report is useful to determine if that's
the case.
STEPS TO REPRODUCE
1. Run a plasma wayland session
2. Compile program found in
https://github.com/libsdl-org/SDL/issues/9162#issue-2156980130
3. Run program with `SDL_VIDEODRIVER=x11` env var, it should open a window
4. Click into the window. Now move the mouse toward the border and outside.
OBSERVED RESULT
The mouse freely leaves the window.
EXPECTED RESULT
The mouse stays confined in the window.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: openSUSE Slowroll 20240213
(available in About System)
KDE Plasma Version: 5.27.10
KDE Frameworks Version: Version 5.113.0
Qt Version: not sure which one was used
ADDITIONAL INFORMATION
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