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

[gtk+ (GNOME Bugzilla)]

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

Daniel Stone <daniel at fooishbar.org> changed:

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                 CC|                            |daniel at fooishbar.org

--- Comment #16 from Daniel Stone <daniel at fooishbar.org> ---
(In reply to Jonas Ådahl from comment #15)
> 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?

Unfortunately that's not possible. As the error name hints, the window needs to
be viewable (it and all its ancestors currently mapped) in order to be used for
a grab.

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