Basic usage for colorizer?

[michael-coleman]

Hi there, this looks like a great plugin and I'd love to try it, I'm just wondering how to get started with it? I am running terminal vim with Gnome Terminal on Ubuntu.
I have installed pathogen (I normally have pathogen and many other plugins running but for the purposes of trying to debug this plugin install I have stripped vim down to simply pathogen and then git cloned this repo into ~/.vim/bundle contents of ~/.vimrc is simply

execute pathogen#infect()
syntax on
filetype plugin indent on

If I open a file containing hex values (e.g. style.css) then run :ColorHighlight nothing happens.
How can I basic highlighting happening with this plugin? thanks

[chrisbra]

What is your terminal configuration? Does your Vim work with 256colors? If you do echo getmatches() do you see some color matches? Does it work in gui version of vim?

[michael-coleman]

thanks for the reply, While trying to dump values on terminal config to answer your questions I found the problem and got this colorizer plugin working!
This is really cool! I've just been opening all the files I usually edit and running :ColorHighlight and its working great now, nice job on this! I'm running Gnome terminal which is 256 color, however I am also running tmux - which might have been interferring? either way vim seems unable to properly detect the terminal capabilities and was setting &t_Co to either 8 or 16.
So :ColorHighlight was doing nothing - it might have been useful for me if vim reported some error e.g. when running :ColorHighlight

if &t_Co < 16  
   echo("ColorHighlight needs minimum 88 colors to work")
endif

I added the following to my vimrc

if $TERM =~ "linux"
    set t_Co=16
elseif $TERM =~ "xterm-256color" || $TERM =~ "screen"
    "echom('setting t_Co=256')
    set t_Co=256
endif

and that did the trick

[chrisbra]

Yeah, will add something like this to notify the user. Thanks.

[boardfish]

I'm getting this problem too. I've attempted with both gnome-terminal and terminator. The contents of the file I'm trying to colorize is as follows:

#040305
#221F2A
#403D4B
#CD2E4C
#529865
#FEFE03
#FBF716
#E5D92F
#F6F22E
#CBA748
#E2D855
#E3DC57
#1D65A0
#E2559F
#26B6D7
#DDC8BC

Since it's just pure hex values, I'm surprised that:

1. echo getmatches() returns an empty array and
2. despite using @michael-coleman's fix, I receive the following error: Colorizer: Color configuration seems wrong, skipping colorization! Check t_Co setting!

My gnome-terminal has true color support, for sure. .vimrc is here.

[chrisbra]

This line is responsible for this warning. That looks like your t_Co setting is reset by some plugin. Check :verbose set t_Co?. Also you claim true color support, but you don't set termguicolors option.

[boardfish]

Seems that the wal colorscheme was the issue. It's actually a plugin that locks to 16-color support. Fixed.