https://bugs.kde.org/show_bug.cgi?id=434615

            Bug ID: 434615
           Summary: [wayland] quick tile to the right does move windows
                    with minimum width out of screen
           Product: kwin
           Version: 5.21.3
          Platform: Gentoo Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: wayland-generic
          Assignee: kwin-bugs-n...@kde.org
          Reporter: till2.schae...@uni-dortmund.de
  Target Milestone: ---

Created attachment 136840
  --> https://bugs.kde.org/attachment.cgi?id=136840&action=edit
screenshot of quick tiled systemsettings

When I quick tile a window with minimum width larger than the half screen width
(e.g., systemsettings on my laptop) to the right it is moved out of the screen
area. See the attaches screenshot for an example. It only happens on quick
tiling to the right, as the left side of the window seems to be the anchor
point. Thus, when quick tiling to the left, the window just occupies more than
half of the screen width. 

This only happens on wayland. On X11, it seems like kwin is enforcing a smaller
width of the window, regardless or the minimum width that is achievable by
resizing the window by dragging the window edge.

Possible solution might be: 
1. set the anchor point to the right side of the window when quick tiling to
the right.
2. force a smaller width like in X11. However, this might brake some
applications layout. So it seems suboptimal to me.

I have not tested this problem for the vertical direction (min height,
top-down-tiling). However, when fixing this issue, one should apply the
solution in analogously.  

I also think that the minimum width of the systemsettings should be reduced
such that it can fit half of a 1920x1080 resolution, but I will open another
bug report for that. 

Operating System: Gentoo Linux
KDE Plasma Version: 5.21.3
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2
Kernel Version: 5.11.7-gentoo
OS Type: 64-bit
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-4810MQ CPU @ 2.80GHz
Memory: 15.5 GiB of RAM
Graphics Processor: Mesa DRI Intel® HD Graphics 4600

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