bug#74220: invisible cursor

[Eli Zaretskii <eliz@gnu.org>]

> Cc: gerd.moellmann@gmail.com, rpluim@gmail.com, stephen.berman@gmx.net,
>  74220@debbugs.gnu.org, ampinkas@gmail.com
> Date: Sat, 30 Nov 2024 09:08:06 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > Date: Fri, 29 Nov 2024 11:12:39 -0800
> > From: Jared Finder <jared@finder.org>
> > Cc: stephen.berman@gmx.net, rpluim@gmail.com, gerd.moellmann@gmail.com,
> >  74220@debbugs.gnu.org, ampinkas@gmail.com
> > 
> > I think Emacs is a special snowflake in that it doesn't (possibly 
> > can't?) rely on the GPM daemon drawing the mouse pointer. I did not see 
> > any other app with this problem. I tested Vim, Midnight Commander, Nano, 
> > and Bash. I don't know what is special about Emacs here. Perhaps the 
> > character under the mouse pointer is treated special in redisplay? Not 
> > sure.
> 
> Emacs needs to know where the mouse pointer is, and the rest it can
> figure out by itself.  So if the GPM daemon drawing the mouse pointer
> allows to know the pointer coordinates in a way that can be correlated
> with the rows and column of the console, we should be okay.
> 
> Maybe when the GPM support for Emacs was written, the daemon couldn't
> be used for drawing the pointer?
> 
> Anyway, one way to try to solve this is to try to use the
> daemon-drawing of the mouse pointer.
> 
> > I will reach out to the kernel mailing list and see if they are ok 
> > relaxing the check and fixing this on their end.
> 
> Thanks.

Any progress here?