https://bugs.kde.org/show_bug.cgi?id=452118
Gauthier <g.gue...@posteo.net> changed:
What |Removed |Added
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CC| |g.gue...@posteo.net
--- Comment #24 from Gauthier <g.gue...@posteo.net> ---
I also have an issue along similar lines on Wayland (so also posted there bug
468184)
When unpluging my external screen from my laptop, many windows (e.g. firefox
and gnucash) are not (or not appropriately) resized when moved to the laptop
screen. Specifically they are too heigh with the title bar being out of the
screen, meaning I cannot move/minmize/maximize/close them, I have to use the
shortcut Ctrl + F5 to move them and then resize manually.
External screen is a 34" 3440x1440 whereas laptop screen is 14" 1920x1080 (no
scaling applied to either).
Operating System: KDE neon 5.27
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9
Kernel Version: 6.1.22-060122-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i5-8350U CPU @ 1.70GHz
Memory: 15.3 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 620
I have no idea how Kwin handles this currently (and so I don't want to tell dev
how to do things) but just in case it's useful, it sounds like a systematic
approach when it comes to window size and placement could be:
To define window size on any given screen:
====================================
width ratio = (window width in px / screen width in px)
height ratio = (window height in px/ screen height in px)
>> those width/height ratios can then be applied to different size screens'
>> height / width in plug / unplug events which would conserve the same
>> relative window size across any screen (independently of absolute screen
>> size or aspect ration).
To define windows placement:
=========================
horizontal ratio: distance between screen left edge and window horizontal
centre / distance between screen left edge and screen horizontal centre (i.e.
half screen width)
vertical ratio: distance between screen top edge and window vertical centre /
distance between screen top edge and screen vertical centre (i.e. half screen
height)
>> Those ratio can then be applied to the window (horizontal / vertical) centre
>> in plug / unplug events so the relative placement is conserved across any
>> screens (independently of absolute screen size or aspect ration).
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