keybindings for c-i and tab

keybindings for c-i and tab

[Tyler]

Hi,

I'm working in Auctex mode, and I want to bind tex-font italics to C-i. 
I couldn't figure out the set-key code directly, but I did manage to get 
a macro to work:

(fset 'italicizer
    "\C-c\C-f\C-i")
(global-set-key "\C-i" 'italicizer)

However, I've discovered that C-i and tab are mystically linked. So my 
macro works for C-i, which I want, but also for tab, which I don't. Is 
there some way to tell emacs not to equate C-i and tab?

Thanks!

Tyler

Re: keybindings for c-i and tab

[Juanma Barranquero]

On 11/16/06, Tyler <tyler.smith@mail.mcgill.ca> wrote:

> However, I've discovered that C-i and tab are mystically linked. So my
> macro works for C-i, which I want, but also for tab, which I don't.

Nothing mystic:

 (lookup-key function-key-map [tab])  =>  [9]

> Is there some way to tell emacs not to equate C-i and tab?

You can

  (define-key function-key-map [tab] nil)

But then, many functions bound to C-I (like completion, or automatic
indentation) won't work with the tab key. You'll have to type C-I. Not
very pretty.

                    /L/e/k/t/u

Re: keybindings for c-i and tab

[Tyler]

Juanma Barranquero wrote:
> You can
> 
>  (define-key function-key-map [tab] nil)
> 
> But then, many functions bound to C-I (like completion, or automatic
> indentation) won't work with the tab key. You'll have to type C-I. Not
> very pretty.
> 
That's not good. I use tab for completion and auto-fill, or at least I 
did until I discovered it conflicted with my intended use of C-i. So am 
I correct in assuming that I can't bind anything to C-i without also 
binding it to tab, unless I elect to turn off tab entirely with your 
solution?

Thanks for the quick response,

Tyler

Re: keybindings for c-i and tab

[Perry Smith]

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On Nov 16, 2006, at 2:03 PM, Tyler wrote:

> Juanma Barranquero wrote:
>> You can
>>  (define-key function-key-map [tab] nil)
>> But then, many functions bound to C-I (like completion, or automatic
>> indentation) won't work with the tab key. You'll have to type C-I.  
>> Not
>> very pretty.
> That's not good. I use tab for completion and auto-fill, or at  
> least I did until I discovered it conflicted with my intended use  
> of C-i. So am I correct in assuming that I can't bind anything to C- 
> i without also binding it to tab, unless I elect to turn off tab  
> entirely with your solution?

Your first note said "mystically linked" -- they produce the same  
ascii code.  Control-I is "tab".

Now, on X11 and probably other window based emacs implementation,  
there is a tab key that you can put into a keymap (as the previous  
note shows).

So, it might be that you can do a special dance and get the two to be  
bound separately.  But I think it will become a maintenance problem.

I would try saving the current binding of tab.  Set your new binding  
for control-I.  And then restore the original binding of tab.  I'm  
assuming the default binding of tab is somehow an indirection to the  
binding of control-i but I don't know the details.

I'm not sure this helps...

Perry Smith
Ease Software, Inc.
pedz@easesoftware.com
http://www.easesoftware.com

Low cost SATA Disk Systems for IBMs p5, pSeries, and RS/6000 AIX systems




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Re: keybindings for c-i and tab

[Juanma Barranquero]

On 11/16/06, Tyler <tyler.smith@mail.mcgill.ca> wrote:

> So am
> I correct in assuming that I can't bind anything to C-i without also
> binding it to tab, unless I elect to turn off tab entirely with your
> solution?

I think this could work:

 (add-hook 'AUCTEX-MODE-HOOK
           #'(lambda ()
               (local-set-key [tab] (local-key-binding [9]))
               (local-set-key [9] 'YOUR-FUNCTION)))

where AUCTEX-MODE-HOOK is the hook for Auctex mode (assuming it has
one), and YOUR-FUNCTION is the function you want to bind to C-I but
not to tab.

                    /L/e/k/t/u