Re: Actual cursor position.

El 31/08/11 01:35, ZyX escribió:
> Reply to message «Actual cursor position.»,
> sent 02:12:13 31 August 2011, Wednesday
> by Gerardo Marset:
>
>> I'm looking for a way to get the current cursor position in the line
>> (that is, the column) in *characters*.
>> col is no use, because it returns the position in bytes. I can't use
>> virtcol either because it returns the position on the screen: a tab
>> counts as 8 characters (or whatever tabstop is set to), the line can be
>> wrapped, etc.
> Why do you need it?
I don't want my code to break if a line has multibyte characters.

> You can use
> echo ((col('.')>1)?(strchars(getline(line('.'))[:col('.')-2])):(0))
> or (if you need to count composing characters as a part of previous character)
> replace `strchars(...)' with `len(split(..., '\v.@='))'.
Works like a charm! Thank you!

> Note that you solution does not work: you forgot that one character can occupy
> two display cells if it either fullwidth (U+FF00..U+FF60, U+FFE0..U+FFE6,
> U+3000) or with ambigious width and&ambiwidth is set.
That's why I thougth my solution was sloppy: there was bound to be a way
of breaking it.

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