Eli Zaretskii <eliz@gnu.org> writes:

>> I'll think about this a bit more, maybe I can come up with a nice
>> solution that doesn't require keeping too much state just for the reset
>> function.  I am thinking about registering the notification for the
>> first created frame, and when that is deleted, i.e. receives the
>> ‘WM_DESTROY’ message, "handing" it over to some other frame if there is
>> one.
>
> This sounds like the simplest approach to me.

I have implemented this and attached the patch.  I have tested it with
both console and GUI Emacs (with and without server) and have found no
further problems with it.

>> I don't know much about the internals of Emacs frame handling.
>> Could ‘w32_frame_list_z_order’ be used (from the input thread) for
>> something like that?  Or is there a better approach?
>
> Why is the order important?  Can't you "hand" the registration to some
> other frame, no matter which one?

The order is not important, I just didn't know where to look to get
a frame; sorry for the noise.  I now use ‘Fnext_frame’.

Regards,
Raffael