Re: Possible to stretch cursor on tab character?

On 27/01/13 08:07, Tony Mechelynck wrote:
> On 27/01/13 02:25, neolus wrote:
>> I think it would be extremely useful to have the cursor stretch itself on
>> every tab character, versus being placed at the beginning or end as if it
>> were on a space, because the way it is right now is very ambiguos with
>> space
>> characters and one generally doesnt now if the curor is on a tab untill
>> trying to move it, but with the cursor stretched to cover the whole tab
>> character there would be no ambiguity where the curor was. In
>> anticipation
>> of what someone might suggest no Im not interested in highlighting all
>> tabs
>> on page.
>> So, does anyone have any idea how to achieve this functionality on vim?
>>
>
> Short answer: You can't. The cursor is always exactly one screen cell
> wide, even if the underlying character uses two (as with CJK) or eight
> (as is often the case with hard tabs).
>
> Long answer: If you want to see the difference between spaces and tabs,
> it is possible by means of the 'list' and 'listchars' options. Here is
> what I use:
>
> " set 'list' and 'listchars' options
> set list listchars=eol:$ " $ should work on all 8-byte encodings
> if has('multi_byte')
> set listchars=eol:ś " on multibyte Vim (where 'encoding' is
> UTF-8)

For some reason Google Groups showed the Pilcrow mark as s-acute. Ah la
la...

> " we can use the prettier Pilcrow mark
> endif
> set listchars+=tab:\|_ " show tabs as "|_______|_______"
> silent! set listchars+=nbsp:~ " show no-break space as tilde if
> supported
> if has('conceal')
> set listchars+=conceal:* " use asterisk, not dash, for
> visible-conceal
> endif
>
>
> Notice the "tab:" part, and remember that vertical bars (and spaces, and
> backslashes) in the argument of ":set" need to be backslash-escaped.
>
>
> Best regards,
> Tony.
--
Real computer scientists admire ADA for its overwhelming aesthetic
value but they find it difficult to actually program in it, as it is
much too large to implement. Most computer scientists don't notice
this because they are still arguing over what else to add to ADA.

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