[Wayland-bugs] [Bug 772505] Wayland: menu does not resize after disabling an action

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=772505

--- Comment #15 from Olivier Fourdan <ofourdan at redhat.com> ---
(In reply to Ernestas Kulik from comment #14)
> [...]
> However, there haven’t really been reports of this up until that switch from
> the deprecated API, hence my finger pointing.

No worries, I'm mostly thinking out loud, in case it rings a bell with others
:)

Anyway, Looking at gtk_menu_realize(), we can see that the
gtk_widget_get_allocation() is wrong on both X11 and Wayland backend, it's too
large initally.

Event though a later gtk_menu_size_allocate() is supposed to make it right, on
Wayland it's the size set in create_dynamic_positioner() (as we are using
xdg_posiionner now for this) that takes precedence, i.e. the wrong one.

That explains why the bug shows on Wayland and not on X11.

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