f1574c4e0a
previously, it could have been skipped, if the old highlighting attribute was the same as the current one. However, if the group does not exist, it should still be defined closes #1404
212 lines
6.9 KiB
VimL
212 lines
6.9 KiB
VimL
" MIT License. Copyright (c) 2013-2016 Bailey Ling.
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" vim: et ts=2 sts=2 sw=2
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scriptencoding utf-8
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let s:is_win32term = (has('win32') || has('win64')) && !has('gui_running') && (empty($CONEMUBUILD) || &term !=? 'xterm')
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let s:separators = {}
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let s:accents = {}
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function! s:gui2cui(rgb, fallback)
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if a:rgb == ''
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return a:fallback
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elseif match(a:rgb, '^\%(NONE\|[fb]g\)$') > -1
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return a:rgb
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endif
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let rgb = map(split(a:rgb[1:], '..\zs'), '0 + ("0x".v:val)')
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return airline#msdos#round_msdos_colors(rgb)
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endfunction
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function! s:get_syn(group, what)
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if !exists("g:airline_gui_mode")
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let g:airline_gui_mode = airline#init#gui_mode()
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endif
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let color = ''
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if hlexists(a:group)
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let color = synIDattr(synIDtrans(hlID(a:group)), a:what, g:airline_gui_mode)
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endif
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if empty(color) || color == -1
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" should always exists
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let color = synIDattr(synIDtrans(hlID('Normal')), a:what, g:airline_gui_mode)
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" however, just in case
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if empty(color) || color == -1
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let color = 'NONE'
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endif
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endif
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return color
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endfunction
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function! s:get_array(fg, bg, opts)
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return g:airline_gui_mode ==# 'gui'
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\ ? [ a:fg, a:bg, '', '', join(a:opts, ',') ]
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\ : [ '', '', a:fg, a:bg, join(a:opts, ',') ]
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endfunction
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function! airline#highlighter#get_highlight(group, ...)
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let fg = s:get_syn(a:group, 'fg')
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let bg = s:get_syn(a:group, 'bg')
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let reverse = g:airline_gui_mode ==# 'gui'
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\ ? synIDattr(synIDtrans(hlID(a:group)), 'reverse', 'gui')
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\ : synIDattr(synIDtrans(hlID(a:group)), 'reverse', 'cterm')
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\|| synIDattr(synIDtrans(hlID(a:group)), 'reverse', 'term')
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return reverse ? s:get_array(bg, fg, a:000) : s:get_array(fg, bg, a:000)
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endfunction
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function! airline#highlighter#get_highlight2(fg, bg, ...)
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let fg = s:get_syn(a:fg[0], a:fg[1])
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let bg = s:get_syn(a:bg[0], a:bg[1])
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return s:get_array(fg, bg, a:000)
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endfunction
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function! airline#highlighter#exec(group, colors)
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if pumvisible()
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return
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endif
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let colors = a:colors
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if s:is_win32term
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let colors[2] = s:gui2cui(get(colors, 0, ''), get(colors, 2, ''))
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let colors[3] = s:gui2cui(get(colors, 1, ''), get(colors, 3, ''))
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endif
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let old_hi = airline#highlighter#get_highlight(a:group)
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if len(colors) == 4
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call add(colors, '')
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endif
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let colors = s:CheckDefined(colors)
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if old_hi != colors || !hlexists(a:group)
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let cmd = printf('hi %s %s %s %s %s %s %s %s',
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\ a:group, s:Get(colors, 0, 'guifg=', ''), s:Get(colors, 1, 'guibg=', ''),
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\ s:Get(colors, 2, 'ctermfg=', ''), s:Get(colors, 3, 'ctermbg=', ''),
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\ s:Get(colors, 4, 'gui=', ''), s:Get(colors, 4, 'cterm=', ''),
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\ s:Get(colors, 4, 'term=', ''))
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exe cmd
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endif
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endfunction
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function! s:CheckDefined(colors)
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" Checks, whether the definition of the colors is valid and is not empty or NONE
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" e.g. if the colors would expand to this:
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" hi airline_c ctermfg=NONE ctermbg=NONE
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" that means to clear that highlighting group, therefore, add a special term=NONE
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" argument
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for val in a:colors
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if !empty(val) && val !=# 'NONE'
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return a:colors
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endif
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endfor
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" this adds the bold attribute to the term argument of the :hi command,
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" but at least this makes sure, the group will be defined
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let fg = synIDattr(synIDtrans(hlID('Normal')), 'fg', 'cterm')
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let bg = synIDattr(synIDtrans(hlID('Normal')), 'bg', 'cterm')
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return a:colors[0:1] + [fg, bg] + [a:colors[4]]
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endfunction
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function! s:Get(dict, key, prefix, default)
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if get(a:dict, a:key, a:default) isnot# a:default
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return a:prefix. get(a:dict, a:key)
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else
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return ''
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endif
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endfunction
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function! s:exec_separator(dict, from, to, inverse, suffix)
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if pumvisible()
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return
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endif
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let l:from = airline#themes#get_highlight(a:from.a:suffix)
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let l:to = airline#themes#get_highlight(a:to.a:suffix)
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let group = a:from.'_to_'.a:to.a:suffix
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if a:inverse
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let colors = [ l:from[1], l:to[1], l:from[3], l:to[3] ]
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else
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let colors = [ l:to[1], l:from[1], l:to[3], l:from[3] ]
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endif
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let a:dict[group] = colors
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call airline#highlighter#exec(group, colors)
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endfunction
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function! airline#highlighter#load_theme()
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if pumvisible()
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return
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endif
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for winnr in filter(range(1, winnr('$')), 'v:val != winnr()')
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call airline#highlighter#highlight_modified_inactive(winbufnr(winnr))
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endfor
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call airline#highlighter#highlight(['inactive'])
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if getbufvar( bufnr('%'), '&modified' )
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call airline#highlighter#highlight(['normal', 'modified'])
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else
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call airline#highlighter#highlight(['normal'])
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endif
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endfunction
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function! airline#highlighter#add_separator(from, to, inverse)
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let s:separators[a:from.a:to] = [a:from, a:to, a:inverse]
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call <sid>exec_separator({}, a:from, a:to, a:inverse, '')
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endfunction
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function! airline#highlighter#add_accent(accent)
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let s:accents[a:accent] = 1
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endfunction
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function! airline#highlighter#highlight_modified_inactive(bufnr)
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if getbufvar(a:bufnr, '&modified')
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let colors = exists('g:airline#themes#{g:airline_theme}#palette.inactive_modified.airline_c')
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\ ? g:airline#themes#{g:airline_theme}#palette.inactive_modified.airline_c : []
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else
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let colors = exists('g:airline#themes#{g:airline_theme}#palette.inactive.airline_c')
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\ ? g:airline#themes#{g:airline_theme}#palette.inactive.airline_c : []
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endif
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if !empty(colors)
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call airline#highlighter#exec('airline_c'.(a:bufnr).'_inactive', colors)
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endif
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endfunction
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function! airline#highlighter#highlight(modes, ...)
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let bufnr = a:0 ? a:1 : ''
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let p = g:airline#themes#{g:airline_theme}#palette
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" draw the base mode, followed by any overrides
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let mapped = map(a:modes, 'v:val == a:modes[0] ? v:val : a:modes[0]."_".v:val')
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let suffix = a:modes[0] == 'inactive' ? '_inactive' : ''
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for mode in mapped
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if exists('g:airline#themes#{g:airline_theme}#palette[mode]')
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let dict = g:airline#themes#{g:airline_theme}#palette[mode]
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for kvp in items(dict)
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let mode_colors = kvp[1]
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let name = kvp[0]
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if name is# 'airline_c' && !empty(bufnr) && suffix is# '_inactive'
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let name = 'airline_c'.bufnr
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endif
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call airline#highlighter#exec(name.suffix, mode_colors)
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for accent in keys(s:accents)
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if !has_key(p.accents, accent)
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continue
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endif
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let colors = copy(mode_colors)
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if p.accents[accent][0] != ''
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let colors[0] = p.accents[accent][0]
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endif
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if p.accents[accent][2] != ''
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let colors[2] = p.accents[accent][2]
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endif
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if len(colors) >= 5
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let colors[4] = get(p.accents[accent], 4, '')
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else
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call add(colors, get(p.accents[accent], 4, ''))
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endif
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call airline#highlighter#exec(name.suffix.'_'.accent, colors)
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endfor
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endfor
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" TODO: optimize this
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for sep in items(s:separators)
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call <sid>exec_separator(dict, sep[1][0], sep[1][1], sep[1][2], suffix)
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endfor
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endif
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endfor
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endfunction
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