bug#57320: 29.0.50; Lucid menus can't be operated with the mouse

[Visuwesh]

[செவ்வாய் ஆகஸ்ட் 30, 2022] Po Lu wrote:

> Visuwesh <visuweshm@gmail.com> writes:
>
>> What exactly does "do this from another machine" mean?  I would like to
>> help debug this but I don't understand what you mean: do you mean to
>> control my computer running Emacs from another physical computer?
>
> Yes, as long as:
>
>  - the Emacs window remains in the same stacking order as when the mouse
>    button was pressed.
>
>  - you do not use the mouse or keyboard again.
>
>  - input devices remain attached (meaning that you cannot do things such
>    as switch to another virtual terminal.)
>
> So in effect, the only practical way to debug menu grabs is to run the
> debugger from another physical machine.  (Unless you have multiple X
> servers with their own keyboards and mice running simultaneously.)

I wonder if I can pull this off using debug Emacs running in Xephyr and
with a single mouse attached (or maybe I can get my touchpad and mouse
to be separate "mice" somehow).  I will see if I can do something some
time later this week and report back.  Thanks for the clarification.