Re: Binding f2 u

[Eduard Wiebe]

Steve Wainstead <wainstead@gmail.com> writes:

 Hi,
 
> I'm trying to bind "f2 u" to a custom function. After spelunking the
> *Help* and googling, it seems F2 is the prefix key for the sparse
> keymap "2C-command," or else "2c-mode-map."
>
> By default, when one starts emacs -q -nw, f2-s starts two column mode;
> so something must live in the global map? Because I cannot bind
> anything to either 2C-command or 2c-mode-map:
>
> (define-key 2C-command "u" 'sw-update-builds)
> or
> (define-key 2c-mode-map "u" 'sw-update-builds)
>
> These fail because 2C-command  and 2c-mode-map are void, while:
>
> (define-key ctl-x-map "9" 'sw-update-builds)
>
> does work. How can I bind to f2-u without wiping out the existing mode
> map, which seems to be undefined even after I load 2 column mode? I'll
> wind up just creating my own sparse keymap for f2 otherwise.

How about this:

(global-set-key (kbd "<f2> u") (lambda () (interactive) (message "YES")))

-- 
Eduard Wiebe