[Wayland-bugs] [Bug 780820] [Wayland] Focused window under application first window

[mutter (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=780820

Jonas Ådahl <jadahl at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |jadahl at gmail.com

--- Comment #11 from Jonas Ådahl <jadahl at gmail.com> ---
Hmm. I think the issue is that we add the Wayland client window to the stack
too early. The issue seems to be that we

1. Create a new window that cant be shown
2. Adds this new window on top of the stack
3. Closes the currently focused window
4. Finds a good candidate for new focused window
5. Raises that window
6. Show the window created in 1.

If step 6. would happen before 3. we're fine, but not when after.

I see two possible solutions to this:

1) Delay adding the window to the stack until it is "ready" (i.e. has a buffer
attached)

Not sure what funny side effects this may have; does anything assume a window
is always in the stack?

2) Delay creation of the  MetaWindow until it's ready (i.e. has a buffer
attached)

Having a content-less MetaWindow has bitten us in the ass plenty of times, so
maybe we should stop having that. It'd require that we duplicate the relevant
state in meta-wayland-xdg-shell.c. meta-wayland-wl-shell.c already does this as
it needs to create/destroy the MetaWindow like crazy because wl_shell is crazy.

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