Tuesday, February 19, 2013

Re: vim: map a key to "conditionally" override built-in behavior

On 2/19/2013 5:50 PM, ping wrote:
> On 2/19/2013 4:20 AM, Paul Isambert wrote:
>> You can use <expr> to define a mapping with a function:
>>
>> function! <SID>Map()
>> if line(".") == 1 && wincol(".") == 1
"this works, thanks!
if line(".") == 1 && virtcol(".") == 1
>> return ":q\r"
>> else
>> return "h"
>> endif
>> endfunction
>>
>> nnoremap <expr> h <SID>Map()
> thanks!
>
> I still don't fully understand the theory of this <SID> thing (even
> read : help <SID>)
> but per my test this doesn't work well.
> it's weird that echo wincol() starting from 7, instead of 1, when I
> move my cursor to the leftmost column.
>
> regards
> ping

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