https://bugs.kde.org/show_bug.cgi?id=479391
Bug ID: 479391
Summary: "Remember" window rules with multiple application
windows
Classification: Plasma
Product: kwin
Version: 5.27.9
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: rules
Assignee: kwin-bugs-n...@kde.org
Reporter: twe...@welho.tech
CC: isma...@gmail.com
Target Milestone: ---
SUMMARY
In waiting for
https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/18
and/or
https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/264
to materialize and propagate through the ecosystem, I tried to set KWin Wayland
to remember window positions/sizes for specific applications, such as Firefox.
However, if the application has multiple windows (i.e., multiple browser
windows with different tabs each), the "Remember" option of the window rules
for Position (and probably Size, horizontal/vertical maximization etc.,
basically any property with the "Remember" option) works a bit
counter-intuitively. It does remember the position of *one* of the windows, and
sets the position of *all* windows upon re-launch to that remembered position.
In addition to the window class, I attempted substring matching based on the
window title etc., but still one rule seems to only remember one set of
properties. This is problematic since browser windows are dynamic, and I can't
create an individual rule for every single one. In general, for multi-window
applications, I would expect the "Remember" option to remember the positions of
all windows of the matched application individually. Something like this
already works when (un)plugging monitors.
STEPS TO REPRODUCE
1. Create window rule that matches Firefox windows by window class (and
optionally title)
2. Set property "Position" to "Remember"
3. Set "Ignore requested geometry" to "Force" and "Yes" (on Wayland this does
nothing except silence the warning AFAIU)
4. Open Firefox, open multiple windows and spread them around
5. Close Firefox
6. Re-open Firefox
OBSERVED RESULT
All Firefox windows are re-opened on top of each other at one of the previous
window positions.
EXPECTED RESULT
The Firefox windows open at their respective previous positions.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 38
KDE Plasma Version: 5.27.9
KDE Frameworks Version: 5.111.0
Qt Version: 5.15.11
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