Re: Map Command key to Control on OS X

On 31/10/12 16:48, Heldraug wrote:
> On Tuesday, October 30, 2012 11:29:24 AM UTC-6, Tim Gray wrote:
>> On Oct 30, 2012 at 08:10 AM -0700, Heldraug wrote:
>>
>>> Here's the deal: I use a lot a Macbook to code, problem is, it only has
>>
>>> a small Control key on the left side, so it's kind of uncomfortable to
>>
>>> use, particularly when using keys that have to be typed with the left
>>
>>> hand. There are two Command keys, though. I looked around but I
>>
>>> couldn't find an answer to this. Is there a way to map the Command key
>>
>>> to Control, so I can use it as a Control key? Has anyone done this?
>>
>>
>>
>> No I haven't done that. However, what I have done is to swap the caps
>>
>> lock key and the left control key. You can probably the command key as
>>
>> well, but I'm not sure if OS X lets you change just one of the command
>>
>> keys and not the other. I use the built in capability on 10.7. It's
>>
>> probably available in other versions of OS X, but I can't verify that at
>>
>> the moment. Go to System Preferences -> Keyboard, select the Keyboard
>>
>> tab and then hit the Modifier Keys... button. There are other apps out
>>
>> there that let you remap things in fancier ways, but for simple modifier
>>
>> key remapping, this works for me.
>
> That works, problem is, it remaps completely the Command key system wide. What I'm looking for is to map the Cmd key only within Vim.
>

The problem with that is that Cmd and Ctrl are modifier keys, Vim
doesn't see them separately but only together to whatever letter or
function key you pressed together with them.

A possible but ugly solution would be

noremap <C-A> <D-A>
noremap! <C-A> <D-A>
noremap <D-A> <C-A>
noremap! <D-A> <C-A>
noremap <C-B> <D-B>
noremap! <C-B> <D-B>
noremap <D-B> <C-B>
noremap! <D-B> <C-B>
etc.

There are, however, IIRC, a hundred or so keys on the keyboard. Let's
see… four statements as above for each of them, plus four other ones to
swap Ctrl-Alt-<key> with Cmd-Alt-<key>, that's eight, plus eight more to
swap Ctrl-Shift- and Ctrl-Alt-Shift- with Cmd-Shift- and Cmd-Alt-Shift-…
That's something like sixteen hundred mappings just for swapping those
two keys… You could of course define a keymap: see
http://vim.wikia.com/wiki/How_to_make_a_keymap but keymaps work only in
Insert and Command-line mones, and is the game worth the candle?

If someone knows an easier way to do it "just for Vim"… or is it
possible to change the system keyboard preferences just for one application?


Best regards,
Tony.
--
"It's Fabulous! We haven't seen anything like it in the last half an
hour!"
-- Macy's

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