https://bugs.kde.org/show_bug.cgi?id=397479
Fabian Vogt <fab...@ritter-vogt.de> changed:
What |Removed |Added
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CC| |andr...@stikonas.eu
--- Comment #2 from Fabian Vogt <fab...@ritter-vogt.de> ---
(In reply to David Edmundson from comment #1)
> I applied that one change on top of 5.11 everything seems fine?
Adding stikonas to CC as he initially discovered this.
I'm not sure what the broken Plasma behaviour was - I believe popups
appearing in the wrong place?
> gtk3 windows I'm not finding them have an issue when I change focus, but
> they do jump when
when...?
> There is one relevant quirk based on our debug output.
>
> We send a lot of configure(someState, QSize()); when we're just updating
> the state (like active changing)
>
> > If the width or height arguments are zero, it means the client
> should decide its own window dimension.
>
> In kwin we take that to mean "use the last thing I sent you" which seems a
> sensible assumption, but that's not how toolkits interpret that line nor how
> other WMs behave.
>
> I shall:
> - update kwin to always send a size
> - try and build qt master and see if I can reproduce there
That sounds like a reasonable explanation for the GTK behaviour at least.
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