[kwin] [Bug 340225] registerShortcut is undefined in declarativescript

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=340225

matejcik  changed:

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[kwin] [Bug 361940] In focus follows mouse mode, the window under the pointer sometimes does not have focus

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361940

--- Comment #20 from matejcik  ---
(In reply to Thomas Lübking from comment #19)
> > FocusStealingPreventionLevel=2
> The focus moves despite the medium FSP? Or does this cause a flashing taks
> item?

both, it doesn't seem to be deterministic
setting to High or Extreme prevents the focus loss and only causes flashing
taskbar. on Low and Medium, either can happen.

> > DelayFocusInterval=0
> Wild guess, what if you raise this to, say, 100ms?

yes, this seems to help, i'm not able to reproduce the problem anymore.
(not deliberately anyway. i'll see if it crops up again while i'm working, but
it seems to be a workable solution)

for the record, xfwm4 has the focus delay feature too, and even on the lowest
setting the problem doesn't appear. but i don't know whether it's actually zero
or some small nonzero number

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[kwin] [Bug 361940] In focus follows mouse mode, the window under the pointer sometimes does not have focus

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361940

--- Comment #18 from matejcik  ---
I tried xfwm4 as a window manager inside KDE and could not reproduce the issue.
I didn't manage to run mutter this way, but i don't see this issue on my GNOME3
desktop.

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[kwin] [Bug 361940] In focus follows mouse mode, the window under the pointer sometimes does not have focus

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361940

--- Comment #17 from matejcik  ---
Created attachment 99034
  --> https://bugs.kde.org/attachment.cgi?id=99034=edit
kwinrc of config

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[kwin] [Bug 361940] In focus follows mouse mode, the window under the pointer sometimes does not have focus

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361940

--- Comment #15 from matejcik  ---
(In reply to Thomas Lübking from comment #14)
> It means gvim tried to obtain the focus, but this was denied by the focus
> stealing prevention (though you claim it's deactivated)

I was able to reproduce the original bug (wrong focus switching) with FSP off.
I can't reproduce the "highlight on taskbar" with FSP off. (i have multiple
computers with KDE, with slightly different settings, that's why i got this FSP
thing now)

I do sometimes see the focus "flicker", the gtk window is defocused for a
moment and then gets its focus back. Which would confirm what you said: the gtk
windows try to regain focus after losing it. (and sometimes they succeed, other
times FSP stops them)

> If you create special "kcmshell5 kwinrules" for FF/TB/GVim and set the focus
> stealing prevention to "extreme", can you still reproduce this?

I switched the whole system to "extreme" and can no longer reproduce the
problem. (i do see the taskbar highlights).
Unfortunately, this is not a good workaround for me because it means that new
gvim windows launched from terminal don't go to foreground.

So what now? It seems clear that gtk windows try to take back focus when they
lose it. But other window managers don't seem to trigger this behavior.

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[kwin] [Bug 361940] In focus follows mouse mode, the window under the pointer sometimes does not have focus

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361940

--- Comment #13 from matejcik  ---
further hint:
for instance, when i'm switching between konsole -> gvim -> konsole
Often the focus will move back to konsole properly, but the gvim window will be
highlighted in taskbar -- the same way new windows are, or windows that try to
notify you of something.

This is not limited to gvim, firefox and thunderbird do it too.

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[kwin] [Bug 361940] In focus follows mouse mode, the window under the pointer sometimes does not have focus

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361940

--- Comment #11 from matejcik  ---
Created attachment 98476
  --> https://bugs.kde.org/attachment.cgi?id=98476=edit
xev record for firefox and thunderbird

Managed to reproduce between firefox and thunderbird (both gtk2) and catch it
in a xev record. Not sure if that is of any help.
At start, i'm trying to rapidly switch between the two, and at the end, I
managed to get the pointer over firefox, while focus is retained on
thunderbird. I mashed some keys as well. You can see that the window with mouse
pointer (firefox) gets motion events, but not keyboard events. The focused
window (thunderbird) does not get keyboard events, but instead gets
PropertyNotify.

at least it shows that konsole is not the important part.

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[kwin] [Bug 361940] In focus follows mouse mode, the window under the pointer sometimes does not have focus

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361940

--- Comment #10 from matejcik  ---
pretty sure my gvim is gtk3
(also gvim does in fact do funky stuff with mouse pointer, i've seen at least
two bugs related to that over the years, so that could be it)

i'll try to reproduce it with kwrite instead of konsole ... i'm not sure if i
can manage it over three different windows, but i'll try :)

also not sure about xev, how would i capture events for two windows at once?
and if i ran two xevs simultaneously, it would be hard to correlate the events,
no?

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[kwin] [Bug 361940] In focus follows mouse mode, the window under the pointer sometimes does not have focus

[matejcik via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361940

--- Comment #7 from matejcik  ---
Created attachment 98461
  --> https://bugs.kde.org/attachment.cgi?id=98461=edit
xprop and xwininfo for konsole and gvim

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