2015-03-04 14:34 GMT+03:00 Alexey Muranov <[email protected]>:
> On 4 mars 2015, at 11:44, Jürgen Krämer <[email protected]> wrote:
>
>>> Say, i've typed '42' before a motion key, but then changed my mind and
>>> decided to use a different motion or a different count. How do i cancel
>>> '42' if i am in Visual mode? (In Normal mode i can press <Esc>, but in
>>> Visual mode this would also cancel the selection.)
>>>
>>> The only solution for Visual mode i've found so far is to press '@_'. Is
>>> there a better way?
>>>
>>> What if i've typed a wrong count in Operator-pending mode, like 'd42'?
>>
>> after you've started typing a count you can remove the last digit of the
>> count by pressing <Delete> (NOT <Backspace>), e.g., after you have typed
>> 42 as a count, pressing <Delete> twice will completely remove the count
>> and you are back in Visual mode.
>>
>> This behaviour is documented in the last sentence at ":help count".
>
> Thanks Jürgen, i haven't thought of this.
>
> In any case, if i need to cancel a count in a `vnoremap <expr> ...` mapping,
> for example, i do not see a better option than '@_'.
>
> For Normal and Visual modes, i plan however to remap my `<Esc>` key using
> something like this:
>
> function s:NVMapExpr_EscKey()
> if v:count
> return '@_'
> else
> return "\<Esc>"
> endif
> endfunction
> nnoremap <expr> <Esc> <SID>NVMapExpr_EscKey()
> vnoremap <expr> <Esc> <SID>NVMapExpr_EscKey()
I would suggest to simply do
noremap <expr> <Esc> (v:count?'@_':"\e")
onoremap <expr> <Esc> (v:count?repeat("\<LT>DEL>",len(v:count)):"\e")
. Function is an overkill here.
>
> Alexey.
>
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