Re: Can I map double ()

Tim Chase wrote: > On 03/22/12 07:18, Constantin Stefanov wrote:
>>
>> Tim Chase wrote:
>>> On 03/22/12 06:42, Constantin Stefanov wrote:
>>>> Nothing changed, Esc then up arrow gives strange results.
>>>
>>> Is this in vim or gvim?
>>>
>>> I suspect it's (non-g)vim and it's receiving an ANSI escape
>>> sequence for the arrow keys. So you'll need to tweak the
>>> 'timeoutlen' setting to be more than the time it takes you to hit
>>> <esc><esc>, but less than the time it takes you to hit<esc><arrow>.
>> Yes, it is vim, not gvim. I know about timeoutlen, but I hoped that
>> there is better soultion.
>
> the problem is that in the <esc><left> sequence, terminal Vim
> sees "<esc><esc>[D", so the "<esc><esc>" mapping gets triggered
> with the side-effect of issuing "[D" (a backwards jump and then a
> delete-the-rest-of-the-line). So to distinguish them, you need
> to tell how much time goes between the "<esc><esc>" and the
> "<esc><left>" which is done via 'timeoutlen'. I'd just reach for
> another key rather than messing with <esc><esc>.
>
> Personally, I tend to add the functionality to control+L which
> does a refresh anyways:
>
> :nnoremap <C-L> :noh<cr><C-L>
I know why that happens, and have another key (I use Esc Tab), but Esc
Esc (and more than that, single Esc) seems better.

I tried to use some tricks with getchar, which can chow, is there
something more in input buffer, but it seems that if I return single Esc
from map, and take something alese from input, it will not be treated as
Esc sequence.

--
Constantin Stefanov

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