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nix-config/.config/nvim/colors/desertink.vim
Dave Gallant 8cffc0e4ae Switch vim colorscheme to gruvbox (#23)
2020-07-15 09:28:34 -04:00

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" Vim color file
"
" Name: desertink.vim
" Version: 1.2
" Author: Markus Koller <markus-koller@gmx.ch>
"
" Note: Only works in GUI and 88/256 color terminals
"
" This is a version of the default desert colorscheme with a
" darker background and more colorful foreground colors.
"
" It also adds highlighting for folds, diffs, line numbers,
" signcolumn, completion menus, and cursor line/column.
" The colors are automatically converted for 88/256 color terminals,
" adapted from http://www.vim.org/scripts/script.php?script_id=1243
"
" You can find the latest version at https://github.com/toupeira/desertink.vim
"
set background=dark
if version > 580
" no guarantees for version 5.8 and below, but this makes it stop
" complaining
hi clear
if exists("syntax_on")
syntax reset
endif
endif
let g:colors_name="desertink"
if has("gui_running") || &t_Co == 88 || &t_Co == 256
" functions {{{
" returns an approximate grey index for the given grey level
fun! <SID>grey_number(x)
if &t_Co == 88
if a:x < 23
return 0
elseif a:x < 69
return 1
elseif a:x < 103
return 2
elseif a:x < 127
return 3
elseif a:x < 150
return 4
elseif a:x < 173
return 5
elseif a:x < 196
return 6
elseif a:x < 219
return 7
elseif a:x < 243
return 8
else
return 9
endif
else
if a:x < 14
return 0
else
let l:n = (a:x - 8) / 10
let l:m = (a:x - 8) % 10
if l:m < 5
return l:n
else
return l:n + 1
endif
endif
endif
endfun
" returns the actual grey level represented by the grey index
fun! <SID>grey_level(n)
if &t_Co == 88
if a:n == 0
return 0
elseif a:n == 1
return 46
elseif a:n == 2
return 92
elseif a:n == 3
return 115
elseif a:n == 4
return 139
elseif a:n == 5
return 162
elseif a:n == 6
return 185
elseif a:n == 7
return 208
elseif a:n == 8
return 231
else
return 255
endif
else
if a:n == 0
return 0
else
return 8 + (a:n * 10)
endif
endif
endfun
" returns the palette index for the given grey index
fun! <SID>grey_color(n)
if &t_Co == 88
if a:n == 0
return 16
elseif a:n == 9
return 79
else
return 79 + a:n
endif
else
if a:n == 0
return 16
elseif a:n == 25
return 231
else
return 231 + a:n
endif
endif
endfun
" returns an approximate color index for the given color level
fun! <SID>rgb_number(x)
if &t_Co == 88
if a:x < 69
return 0
elseif a:x < 172
return 1
elseif a:x < 230
return 2
else
return 3
endif
else
if a:x < 75
return 0
else
let l:n = (a:x - 55) / 40
let l:m = (a:x - 55) % 40
if l:m < 20
return l:n
else
return l:n + 1
endif
endif
endif
endfun
" returns the actual color level for the given color index
fun! <SID>rgb_level(n)
if &t_Co == 88
if a:n == 0
return 0
elseif a:n == 1
return 139
elseif a:n == 2
return 205
else
return 255
endif
else
if a:n == 0
return 0
else
return 55 + (a:n * 40)
endif
endif
endfun
" returns the palette index for the given R/G/B color indices
fun! <SID>rgb_color(x, y, z)
if &t_Co == 88
return 16 + (a:x * 16) + (a:y * 4) + a:z
else
return 16 + (a:x * 36) + (a:y * 6) + a:z
endif
endfun
" returns the palette index to approximate the given R/G/B color levels
fun! <SID>color(r, g, b)
" get the closest grey
let l:gx = <SID>grey_number(a:r)
let l:gy = <SID>grey_number(a:g)
let l:gz = <SID>grey_number(a:b)
" get the closest color
let l:x = <SID>rgb_number(a:r)
let l:y = <SID>rgb_number(a:g)
let l:z = <SID>rgb_number(a:b)
if l:gx == l:gy && l:gy == l:gz
" there are two possibilities
let l:dgr = <SID>grey_level(l:gx) - a:r
let l:dgg = <SID>grey_level(l:gy) - a:g
let l:dgb = <SID>grey_level(l:gz) - a:b
let l:dgrey = (l:dgr * l:dgr) + (l:dgg * l:dgg) + (l:dgb * l:dgb)
let l:dr = <SID>rgb_level(l:gx) - a:r
let l:dg = <SID>rgb_level(l:gy) - a:g
let l:db = <SID>rgb_level(l:gz) - a:b
let l:drgb = (l:dr * l:dr) + (l:dg * l:dg) + (l:db * l:db)
if l:dgrey < l:drgb
" use the grey
return <SID>grey_color(l:gx)
else
" use the color
return <SID>rgb_color(l:x, l:y, l:z)
endif
else
" only one possibility
return <SID>rgb_color(l:x, l:y, l:z)
endif
endfun
" returns the palette index to approximate the 'rrggbb' hex string
fun! <SID>rgb(rgb)
if a:rgb == "ffffff"
return 15
endif
let l:r = ("0x" . strpart(a:rgb, 0, 2)) + 0
let l:g = ("0x" . strpart(a:rgb, 2, 2)) + 0
let l:b = ("0x" . strpart(a:rgb, 4, 2)) + 0
return <SID>color(l:r, l:g, l:b)
endfun
" sets the highlighting for the given group, add optional fg, bg and attr
" values to override the terminal settings
fun! <SID>X(group, fg, bg, attr, ...)
let l:ctermfg = (a:0 > 0 && a:1 != "") ? a:1 : <SID>rgb(a:fg)
let l:ctermbg = (a:0 > 1 && a:2 != "") ? a:2 : <SID>rgb(a:bg)
let l:ctermattr = (a:0 > 2 && a:3 != "") ? a:3 : a:attr
if a:fg != ""
exec "hi " . a:group . " guifg=#" . a:fg . " ctermfg=" . l:ctermfg
endif
if a:bg != ""
exec "hi " . a:group . " guibg=#" . a:bg . " ctermbg=" . l:ctermbg
endif
if a:attr != ""
exec "hi " . a:group . " gui=" . a:attr
endif
if l:ctermattr != ""
exec "hi " . a:group . " cterm=" . l:ctermattr
endif
endfun
" }}}
call <SID>X("Normal", "ffffff", "222222", "")
call <SID>X("NonText", "addbe7", "3D3D3D", "bold")
highlight! link TabLineFill Normal
" highlight groups
"CursorIM
"Directory
"WildMenu
"Menu
"Scrollbar
"Tooltip
call <SID>X("Cursor", "708090", "f0e68c", "")
" setting a background color for the cursor line can hide
" other background colors such as Error and ErrorMsg
call <SID>X("CursorLine", "", "2a2a2a", "", "", "235", "none")
call <SID>X("CursorColumn", "", "2a2a2a", "", "", "235")
" use only bold for the cursorline to avoid covering the background
"highlight clear CursorLine
"highlight clear CursorColumn
"highlight CursorLine cterm=bold gui=bold
"highlight CursorColumn cterm=bold gui=bold
call <SID>X("ColorColumn", "", "333333", "", "")
call <SID>X("StatusLine", "262626", "ffffff", "reverse", "", "", "reverse")
call <SID>X("StatusLineNC", "262626", "808080", "reverse", "")
call <SID>X("Question", "00ff7f", "", "bold")
call <SID>X("Error", "ffffff", "913d3b", "bold")
call <SID>X("ErrorMsg", "ffffff", "913d3b", "bold")
call <SID>X("ModeMsg", "daa520", "", "")
call <SID>X("MoreMsg", "00ff7f", "", "bold")
call <SID>X("Ignore", "666666", "", "")
call <SID>X("Todo", "f9f747", "d75f00", "bold")
"call <SID>X("VertSplit", "c2bfa5", "7f7f7f", "reverse")
highlight! link VertSplit LineNr
call <SID>X("LineNr", "444444", "1a1a1a", "", "239")
"call <SID>X("CursorLineNr", "aaaaaa", "1a1a1a", "", "253")
highlight! link CursorLineNr Folded
call <SID>X("Folded", "ffa500", "333333", "bold")
call <SID>X("FoldColumn", "d2b48c", "222222", "")
call <SID>X("SignColumn", "", "2a2a2a", "", "", "236")
call <SID>X("Search", "ffffff", "6b8e23", "bold")
call <SID>X("IncSearch", "ffffff", "3a663a", "bold")
call <SID>X("SpecialKey", "9acd32", "", "")
call <SID>X("Title", "cd5c5c", "", "")
call <SID>X("Visual", "", "2e5e73", "bold")
call <SID>X("VisualNOS", "", "254A59", "bold")
call <SID>X("WarningMsg", "fa8072", "", "")
call <SID>X("MatchParen", "", "606060", "bold")
call <SID>X("DiffAdd", "d7ffaf", "5f875f", "")
call <SID>X("DiffChange", "d7d7ff", "5f5f87", "")
call <SID>X("DiffDelete", "ff8080", "cc6666", "")
call <SID>X("DiffText", "5f5f87", "81a2be", "")
call <SID>X("Pmenu", "eeeeee", "444444", "")
call <SID>X("PmenuSel", "ffffff", "555555", "bold")
call <SID>X("PmenuSbar", "", "666666", "")
call <SID>X("PmenuThumb", "", "606060", "")
" syntax highlighting groups
call <SID>X("Comment", "87ceeb", "", "")
call <SID>X("Constant", "ff8080", "", "")
call <SID>X("Identifier", "98fb98", "", "none")
call <SID>X("Statement", "f0e260", "", "bold")
call <SID>X("PreProc", "cd5c5c", "", "bold")
call <SID>X("Type", "91b365", "", "bold")
call <SID>X("Special", "ffc266", "", "")
"Underlined
" delete functions {{{
delf <SID>X
delf <SID>rgb
delf <SID>color
delf <SID>rgb_color
delf <SID>rgb_level
delf <SID>rgb_number
delf <SID>grey_color
delf <SID>grey_level
delf <SID>grey_number
" }}}
else
" basic colorscheme for 16-color terminals
highlight Statement ctermfg=Yellow
highlight Identifier ctermfg=Green
highlight Type ctermfg=DarkGreen
highlight Comment ctermfg=Cyan
highlight PreProc ctermfg=Blue
highlight LineNr ctermfg=DarkGray
highlight Special ctermfg=Brown
highlight Constant ctermfg=Red
highlight Search ctermfg=Black ctermbg=Green
highlight IncSearch ctermfg=DarkGray ctermbg=White
highlight Visual ctermfg=White ctermbg=Blue
highlight Folded cterm=bold,reverse ctermfg=DarkGray ctermbg=Brown
highlight Pmenu cterm=reverse ctermfg=DarkGray ctermbg=White
highlight PmenuSel ctermfg=Black ctermbg=White
highlight PmenuSbar ctermbg=Black
highlight PmenuThumb ctermfg=White
" use only bold for the cursorline to avoid covering the background
highlight clear CursorLine
highlight clear CursorColumn
highlight CursorLine cterm=bold gui=bold
highlight CursorColumn cterm=bold gui=bold
endif
" vim: set fdl=0 fdm=marker:
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