Thursday, September 5, 2013

Re: Set different highlighting for Search versus current quickfix error

On 05/09/13 17:42, Charles Campbell wrote:
> Tony Mechelynck wrote:
>> On 05/09/13 01:12, Paul wrote:
>>> On Wednesday, September 4, 2013 6:44:24 PM UTC-4, Tony Mechelynck wrote:
>>>> On 04/09/13 23:51, Paul wrote:
>>>>> The GUI highlighting for the current quickfix item seems to be the
>>>>> same as whatever I set the Search group to. Is there a way to have
>>>>> a different guibg color?
>>>>
>>>> ...With me it doesn't: I just did a :helpgrep, and the current quickfix
>>>> item didn't get _any_ highlighting: with the cursor on it,
>>>>
>>>> :echomsg synIDattr(synID(line("."),col("."),0),"name")
>>>> synIDattr(synIDtrans(synID(line("."),col("."),0)),"name")
>>>> synIDattr(synID(line("."),col("."),1),"name")
>>>> synIDattr(synIDtrans(synID(line("."),col("."),1)),"name")
>>>>
>>>> ...didn't display anything. Or if it did, it was because there was
>>>> some highlighted syntax item (such as between |bars|) just under the
>>>> cursor.
>>>>
>>>> I'm using gvim 7.4.16 (Huge) with GTK2/GNOME2 GUI.
>>>
>>> I'm using vim 7.3 on Windows 7. When I issue:
>>>
>>> :echomsg synIDattr(synID(line("."),col("."),0),"name")
>>> :echomsg synIDattr(synIDtrans(synID(line("."),col("."),0)),"name")
>>> :echomsg synIDattr(synID(line("."),col("."),1),"name")
>>> :echomsg synIDattr(synIDtrans(synID(line("."),col("."),1)),"name")
>>>
>>> I get:
>>>
>>> qfFileName
>>> Directory
>>> qfFileName
>>> Directory
>>>
>>> It's interesting that you don't see the current quickfix item
>>> highlighted. I thought that maybe I set something to turn on
>>> quickfix highlighting, but I can't seem to find the switch. I
>>> searched the web and the quickfix help to see if quickfix is
>>> *suppose* to highlight the current item by default, but didn't find
>>> indications of that either.
>>>
>>
>> I get the same as you do if I do :copen first. What I referred to was
>> the current quickfix item as found _in the text_ by :cnext, with no
>> quickfix window actually open.
>>
>> I see this item as blue on white, and doing ":verbose hi qfFileName"
>> in the quickfix window gives
>>
>> qfFileName xxx links to Directory
>> Last set from /usr/local/share/vim/vim74/syntax/qf.vim
>>
>> The Search highlight, OTOH, is black on yellow. Not at all the same
>> thing for me, which makes me ask: Which colorscheme are you using?
>>
>> To link qfFileName to something else, or to define specific colours
>> for it, just use a new or modified colorscheme.
>>
>> To modify a colorscheme, first copy it to ~/.vim/colors/ (for *x
>> systems) or to ~/vimfiles/colors (for Windows), change its name, and
>> modify it there (including setting g:colors_name to the new name);
>> then alter the calling line so that it calls the new name. It is not
>> possible to invoke colorschemes recursively (or at least, I tried and
>> didn't succeed).
> Sorry, Tony -- I need to differ with you on this.
>
> syntax/qf.vim is a syntax file; it is not a colorscheme, and it is
> unnecessary to modify or alter any colorschemes.
>
> Instead, if you wish to override qfFileName, etc, put your alterations into
>
> $HOME/after/syntax/qf.vim
>
> Therein, you may put things such as
>
> hi link qfFileName Special
> hi qfSeparator guifg=SeaGreen1 guibg=orange3
>
> Doing so will override syntax/qf.vim's selection of default colors.
>
> Regards,
> Chip Campbell
>
hm, yes, that would also work; but usually I prefer not to meddle with a
syntax script if the syntax analysis is OK but the choice of colours is
not to my taste. A colour scheme can change the colours any which way,
it may replace yellow by pink in one highlight group, remove a highlight
link in one place, add one in another place… Anything that involves only
colours can be done by a colorscheme, provided that the different
colours you want to set belong to different highlight groups, at least
before taking highlight links into account.

I already have my own ~/.vim/colors/almost-default.vim (which sets only
the colours which I want different from the default) so for me it is
easy to tweak this or that highlight definition by putting all colour
changes in this one place.


Best regards,
Tony.
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