https://bugs.kde.org/show_bug.cgi?id=444949
Bug ID: 444949
Summary: When connecting external primary screen on the left,
maximized windows do not move over [regression]
Product: kwin
Version: 5.23.0
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: p...@ralfj.de
Target Milestone: ---
SUMMARY
With my laptop, I switch from single-screen to dual-screen setup and back at
least daily. When the external screen is connected, I want all windows to be
moved to that screen, since it is used as the main screen. (The laptop screen
is turned on only for the rare case where I need some extra screen space, and
to work around https://gitlab.freedesktop.org/xorg/xserver/-/issues/948.) That
used to work fine up until Plasma 5.21, but with Plasma 5.23 is stopped
working, meaning I now spend a bunch of time each day to move windows back and
forth, which is quite annoying.
STEPS TO REPRODUCE
1. Connect the external screen and configure it to be on the left of the
internal screen, and make the external screen primary.
2. Disconnect the external screen. Have some windows open on the internal
screen; some maximized, some not.
3. Connect the external screen.
OBSERVED RESULT
The non-maximized windows move over to the external screen (presumably because
they remain at screen coordinate [0,0], and since the external screen is on the
left, that coordinate is on the external screen). However, all the maximized
windows remain on the internal screen (meaning their screen coordinate changes
since the internal screen is 1920px to the right).
EXPECTED RESULT
All windows should move to the external screen. This is what happened in
earlier versions of Plasma/kwin (up until 5.21, I did not test 5.22).
SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux
KDE Plasma Version: 5.23.0
KDE Frameworks Version: 5.86.0
Qt Version: 5.15.2
Kernel Version: 5.14.0-2-amd64 (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Xeon® CPU E3-1505M v5 @ 2.80GHz
Memory: 31,2 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics P530
ADDITIONAL INFORMATION
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