cc-mode configuration issues

cc-mode configuration issues

[Rodrigo Canellas]

Hi,

I read the CC Mode manual, but I still do not know how to do a couple of 
things:

1 -
How to automatically insert a new line when C/C++ code is coming to, for 
example, column 78. I was able to do this with comment lines, inserting 
" '(c-max-one-liner-length 77)" in my '.emacs', but it does not work for 
code.

2 -
I would like to insert a single space after certain characters, such as 
'+', '-', '&', '=', etc. I think I can do this with a hook lisp 
function, but I do not know how.



Could anyone help me?


Thanks a lot!

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Re: cc-mode configuration issues

[Kevin Rodgers]

Rodrigo Canellas wrote:
> I read the CC Mode manual, but I still do not know how to do a couple of 
> things:
> 
> 1 -
> How to automatically insert a new line when C/C++ code is coming to, for 
> example, column 78. I was able to do this with comment lines, inserting 
> " '(c-max-one-liner-length 77)" in my '.emacs', but it does not work for 
> code.

The "Custom Filling and Line Breaking" node hints that you should turn
on auto fill mode and exclude the `code' symbol from c-ignore-auto-fill.

-- 
Kevin Rodgers
Denver, Colorado, USA

Re: cc-mode configuration issues

[Rodrigo Canellas]

Kevin,

Thanks a lot! It works fine!


Kevin Rodgers escreveu:
> Rodrigo Canellas wrote:
>> I read the CC Mode manual, but I still do not know how to do a couple 
>> of things:
>>
>> 1 -
>> How to automatically insert a new line when C/C++ code is coming to, 
>> for example, column 78. I was able to do this with comment lines, 
>> inserting " '(c-max-one-liner-length 77)" in my '.emacs', but it does 
>> not work for code.
>
> The "Custom Filling and Line Breaking" node hints that you should turn
> on auto fill mode and exclude the `code' symbol from c-ignore-auto-fill.
>


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insert space after specific chars

[Rodrigo Canellas]

Hi!

I would like to insert a single space after certain characters, such as 
'+', '-', '&', '=', etc.

I think I can do this with a hook lisp function, but I do not know how.

Ideas?

Thanks a lot!

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Re: insert space after specific chars

[Pascal J. Bourguignon]

Rodrigo Canellas <rodrigo.canellas@tqtvd.com> writes:
> I would like to insert a single space after certain characters, such
> as '+', '-', '&', '=', etc.
>
> I think I can do this with a hook lisp function, but I do not know how.

I assume you don't what this to occur everywhere, only in a certain mode.

That means that you will have to locate that mode hook variable (M-x
apropos RET <the-mode> hook RET), and add to it some "meat", that is a
function that will customize the behavior of these keys,  by modifying
the local bindings of the buffer.

(defun self-insert-and-space-command ()
  (interactive)
  (insert last-command-char " "))

M-x local-set-key RET + RET self-insert-and-space-command RET


If it's ok, then define your meat:

(defun <the-mode>-meat ()
   (dolist (key (list (kbd "+")
                      (kbd "-")
                      (kbd "&")
                      (kbd "=")))
      (local-set-key key 'self-insert-and-space-command)))


Then hook the meat:

(add-hook '<the-mode>-hook  '<the-mode>-meat)


When you test the hook, be sure to kill and reopen the buffer, or
directly execute the meat with M-: (<the-mode>-meat) RET

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Re: insert space after specific chars

[Rodrigo Canellas]

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Re: insert space after specific chars

[Nikolaj Schumacher]

Rodrigo Canellas <rodrigo.canellas@tqtvd.com> wrote:

> I would like to insert a single space after certain characters, such as '+',
> -', '&', '=', etc.
>
> I think I can do this with a hook lisp function, but I do not know how.

http://www.emacswiki.org/cgi-bin/emacs-en/SmartOperator


regards,
Nikolaj Schumacher