Re: Functions which are mode dependent

[Heime <heimeborgia@protonmail.com>]

On Friday, August 23rd, 2024 at 10:05 PM, Joel Reicher <joel.reicher@gmail.com> wrote:

> Heime heimeborgia@protonmail.com writes:
> 
> > My confusion is whether after making the minor-mode hooked to
> > emacs-lisp-mode, should I also make a hook to the function as
> > well ?
> 
> 
> In case it needs to be said, the purpose of a minor mode (and any
> mode, in fact) is to be able to change it while remaining in the
> same buffer, without modifying the buffer.
> 
> In other words, you might switch a minor mode on or off while
> staying in the buffer. Or you might change major modes while
> staying in the buffer.
> 
> But if what you want is for some code to always execute when you
> enter a particular major mode, that code is not a minor mode at
> all. It's just code that goes in the major mode's hook.

That is not what I want.  I want that when the minor-mode gets activated
only the correct regex expression specific to the buffer major-mode is used.

Thus for a buffer in emacs-lisp-mode, the variable tema-expr-elisp
is used to set imenu-generic-expression, rather than the possibilities
for buffers in other major-modes.
 
> Conversely, if you want the user to be able to activate and
> deactivate your minor mode at will, then you can't tie it to a
> major mode at all. By definition of what you're offering, that
> connection is up to the user.
> 
> Cheers,
> 
> - Joel