[Wayland-bugs] [Bug 768017] [Wayland] menus opened from access keys (mnemonic menu items) hide instantly

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=768017

--- Comment #9 from Olivier Fourdan <ofourdan at redhat.com> ---
Created attachment 330645
  --> https://bugzilla.gnome.org/attachment.cgi?id=330645&action=edit
[PATCH] wayland: Use keyboard serial for implicit grab

An xdg-popup requires a serial that the compositor will compare against
its own serial and will dismiss the popup if it doesn't match.

gtk+ uses either a pointer or touch serial for its helper function
_gdk_wayland_seat_get_last_implicit_grab_serial() but if the menu is
triggered before the user has had any pointer or touch interaction with
the client, using a keyboard shortcut, there is neither pointer nor
touch serial available, and gtk+ will use 0 as the default.

As a result, the compositor will instantly dismiss the xdg-popup. In
this case, gtk+ should use the keyboard serial instead.

Track keyboard serial as well and use the keyboard serial as the value
if there is no newer pointer or touch serial available.

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