bug#71435: interactive xref-find-definitions-at-mouse

[Eli Zaretskii]

> From: Stefan Kangas <stefankangas@gmail.com>
> Date: Sun, 9 Jun 2024 14:29:59 -0400
> Cc: 71435@debbugs.gnu.org
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> Date: Sat, 8 Jun 2024 11:28:34 -0400
> >> From:  Alan Donovan via "Bug reports for GNU Emacs,
> >>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> >>
> >> Many editors allow a mouse-click operation on an identifier, plus a 
> >> suitable modifier key, to jump to the
> >> declaration of the symbol. Emacs provides xref-find-definitions-at-mouse, 
> >> but I couldn't find a way to make it
> >> work in response to a click.
> >
> > ??? This works for me:
> >
> >   (global-set-key [C-down-mouse-1] 'xref-find-definitions-at-mouse)
> 
> Should we consider adding such a key binding by default?

Not by default, IMO.  Mouse-click potential for bindings is at premium
(in particular, C-down-mouse-1 is already taken), so I think we should
leave it up to the user to bind it (and most probably give up some
existing binding).