Re: Why isn't C-m listed here?

[Eric Lilja]

Alan Mackenzie wrote:
> 'Evening, Eric!
>
> On Mon, Apr 16, 2007 at 04:43:17PM +0200, Eric Lilja wrote:
> > Miles Bader wrote:
> > > Eric Lilja [snip quoted raw email address] writes:
> > > > As the topic says: Why isn't C-m listed here:
>
> > > > and if it was, what would its description be? Alias for <RET>?
>
> > > It's not an alias for RET, it _is_ RET.
>
> > > RET == C-m
>
> > Ok, thanks for the quick reply. So, C-m is RET which means newline. C-j 
> >  is newline-and-indent (C-m + <TAB>) so if I wanted a 
> > newline-and-indent when I press <RET> in cc mode I could do:
> > (global-set-key "\C-m" "\C-j")
> > in my c mode common hook? Proper way to do it?
>
> You could do this, but better might be this:
>
> (defun my-c-initialization-hook ()
>   (define-key c-mode-base-map "\C-m" 'c-context-line-break))
> (add-hook 'c-initialization-hook 'my-c-initialization-hook)
>
> , as suggested by the (current) CC Mode manual (page "Sample .emacs
> File").  
>
> This gives you proper continuation of comments and macros as well as
> indentation of ordinary statements.  Note also that you don't need to use
> c-mode-common-hook here - it wouldn't do any harm, but you only need to
> bind the key once, not every time you open a fresh CC Mode buffer.

Thanks for your reply, Alan! Actually, this is my c-mode-common-hook 
right now (edited today but before I saw this reply):

(defun my-c-mode-common-hook ()
  ;; my customizations for all of c-mode and related modes
  (message "Running my-c-mode-common-hook")
  (setq c-basic-offset 3)
  ; Use spaces, not tabs, for indentation.
  (setq-default indent-tabs-mode nil)
  ; Replace C-m (C-m == <RET> == newline) with C-j (newline-and-indent).
  (define-key c-mode-base-map "\C-m" 'newline-and-indent)
  ; Maybe on by default on windows and off by default on solaris?
  (delete-selection-mode 1)
  ; Since this is run for php-mode we want to be able to toggle to html
  ; mode while editing a .php-file with both php and html blocks.
  ; html-mode contains a key binding to toggle to php mode.
  (define-key c-mode-base-map "\C-c\C-h" 'html-mode)
  )
(add-hook 'c-mode-common-hook 'my-c-mode-common-hook)

I will try c-context-line-break and also think about which of these I 
can move into the initialization hook.

- Eric