[Wayland-bugs] [Bug 757558] gtk_window_move() unreliable in Wayland?

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=757558

--- Comment #15 from Jonas Ådahl <jadahl at gmail.com> ---
(In reply to Milan Crha from comment #14)
> (In reply to Jonas Ådahl from comment #12)
> > Created attachment 314871 [details] [review] [review]
> > Diff to make the reproducer map the popup as a popup
> 
> Thanks. I tested it, and the popup doesn't show at all under X11. The button
> is pressed down, but the popup is nowhere visible. (I wanted to adapt the
> Evolution code with the proposed change, but the test application fails the
> same.)

Hmm. This is a bit awkward. On Wayland, we need to have a grab before showing
the popup, because the popup need to know the device that triggered it. But
when doing that on X11, at least in the reperoducer, when we try to grab before
it is shown the grab fails with "GrabNotViewable", and we hide the window as a
result.

Matthias, Carlos, any idea how this was intended to work? Can one grab a window
before it is shown on X11 some how?

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