On 28/05/09 05:10, _Lone wrote:
[...]
> I looked at adding 1px highlighting instead of whole character
> background. But it seems it would be very difficult. The reason is
> that the way highlighting works is by storing the background color for
> character which is how various highlights are done.
When talking aboiut the background, yes; but there are a lot other kinds
of highlights, especially in the GUI:
gui=NONE
gui=reverse
gui=bold
gui=italic
gui=underline
gui=undercurl
guibg=<color>
guifg=<color>
guisp=<color>
What about extending these categories? (with appropriate ifdefs in the
source)? For term and cterm (including GUI-enabled Linux Vim in Console
mode) the choice would be more limited, probably by default term=reverse
and ctermbg=<color>, or somesuch. Of course a new highlight group would
have to be created, perhaps with a new 'highlight' option setting and
default -- or maybe not, after all I don't see CursorLine and
CursorColumn listed there.
>
> I also looked at wide-character problem and that too looks very hard
> to sovle though I would spend some more time this week if I can fix
> that.
As I think had been noted, there are several kinds of multicell characters:
- hard tabs (with and without 'list' and/or 'listchars')
- control characters (^X, ~Y, |Z, see :help 'isprint')
- CJK wide
- non-printable Unicode codepoints (at least <xx> and <xxxx>, see
:help 'display' and the last sentence under 'isprint').
It might be hard to highlight "just" the one cell in the column in
question, but maybe you could look how Vim displays the CursorColumn
highlight. (I think this has also been mentioned).
>
> Thanks
> _Lone
Best regards,
Tony.
--
Without ice cream life and fame are meaningless.
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