Re: A completing read to set message-mode or Gnus "from"

[Ian Zimmerman <itz@buug.org>]

On 2015-08-11 23:01 -0700, Ian Zimmerman wrote:

Tory> As a Helm user with 7 or so email addresses I might be sending
Tory> with, I wanted to put together a quick completing-read to fill in
Tory> my from address with a keystroke; however, it's not working and
Tory> I'm not sure why. It complains about wanting a list, but when I
Tory> return a list it complains about wanting a string.

> > --8<---------------cut here---------------start------------->8---
> > (defun tsa/message-choose-from ()
> >  (interactive
> >   (let ((my-name "Joseph Smith")
> > 	 (my-from-list '("abc@gmail.com" "def@gmail.com" 	
> > "xyz@gmail.com")))
> >     (message-make-from my-name (completing-read "From:"
> > my-from-list nil t)))))
> > 
> > (add-hook 'message-mode-hook
> > 	  (lambda ()
> > 	    (local-set-key (kbd "C-c f") 	    'tsa/message-choose-from)))
> 

Ian> I think you don't understand what the interactive declaration is
Ian> for.
Ian> 
Ian> It doesn't mean "this code interacts with the user".  It means it
Ian> can be invoked as a command, with a keybinding or via M-x.  In your
Ian> case, you're calling your function from a hook, which is as
Ian> non-interactive as it gets :-)

Eh, forget this part.  It's quite late here :-(

Ian> When we clarify that point, we can get to _how_ to use interactive

This, though, is valid.  Have you looked at some Emacs source to see how
(interactive) is used?

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