" MIT License. Copyright (c) 2013-2015 Bailey Ling. " vim: et ts=2 sts=2 sw=2 let s:is_win32term = (has('win32') || has('win64')) && !has('gui_running') let s:separators = {} let s:accents = {} function! s:gui2cui(rgb, fallback) if a:rgb == '' return a:fallback endif let rgb = map(matchlist(a:rgb, '#\(..\)\(..\)\(..\)')[1:3], '0 + ("0x".v:val)') let rgb = [rgb[0] > 127 ? 4 : 0, rgb[1] > 127 ? 2 : 0, rgb[2] > 127 ? 1 : 0] return rgb[0]+rgb[1]+rgb[2] endfunction function! s:get_syn(group, what) " need to pass in mode, known to break on 7.3.547 let mode = has('gui_running') ? 'gui' : 'cterm' let color = synIDattr(synIDtrans(hlID(a:group)), a:what, mode) if empty(color) || color == -1 let color = synIDattr(synIDtrans(hlID('Normal')), a:what, mode) endif if empty(color) || color == -1 if has('gui_running') let color = a:what ==# 'fg' ? '#000000' : '#FFFFFF' else let color = a:what ==# 'fg' ? 0 : 1 endif endif return color endfunction function! s:get_array(fg, bg, opts) let fg = a:fg let bg = a:bg return has('gui_running') \ ? [ fg, bg, '', '', join(a:opts, ',') ] \ : [ '', '', fg, bg, join(a:opts, ',') ] endfunction function! airline#highlighter#get_highlight(group, ...) let fg = s:get_syn(a:group, 'fg') let bg = s:get_syn(a:group, 'bg') let reverse = has('gui_running') \ ? synIDattr(synIDtrans(hlID(a:group)), 'reverse', 'gui') \ : synIDattr(synIDtrans(hlID(a:group)), 'reverse', 'cterm') \|| synIDattr(synIDtrans(hlID(a:group)), 'reverse', 'term') return reverse ? s:get_array(bg, fg, a:000) : s:get_array(fg, bg, a:000) endfunction function! airline#highlighter#get_highlight2(fg, bg, ...) let fg = s:get_syn(a:fg[0], a:fg[1]) let bg = s:get_syn(a:bg[0], a:bg[1]) return s:get_array(fg, bg, a:000) endfunction function! airline#highlighter#exec(group, colors) let colors = a:colors if s:is_win32term let colors[2] = s:gui2cui(get(colors, 0, ''), get(colors, 2, '')) let colors[3] = s:gui2cui(get(colors, 1, ''), get(colors, 3, '')) endif exec printf('hi %s %s %s %s %s %s %s %s', \ a:group, \ get(colors, 0, '') != '' ? 'guifg='.colors[0] : '', \ get(colors, 1, '') != '' ? 'guibg='.colors[1] : '', \ get(colors, 2, '') != '' ? 'ctermfg='.colors[2] : '', \ get(colors, 3, '') != '' ? 'ctermbg='.colors[3] : '', \ get(colors, 4, '') != '' ? 'gui='.colors[4] : '', \ get(colors, 4, '') != '' ? 'cterm='.colors[4] : '', \ get(colors, 4, '') != '' ? 'term='.colors[4] : '') endfunction function! s:exec_separator(dict, from, to, inverse, suffix) let l:from = airline#themes#get_highlight(a:from.a:suffix) let l:to = airline#themes#get_highlight(a:to.a:suffix) let group = a:from.'_to_'.a:to.a:suffix if a:inverse let colors = [ l:from[1], l:to[1], l:from[3], l:to[3] ] else let colors = [ l:to[1], l:from[1], l:to[3], l:from[3] ] endif let a:dict[group] = colors call airline#highlighter#exec(group, colors) endfunction function! airline#highlighter#load_theme() for winnr in filter(range(1, winnr('$')), 'v:val != winnr()') call airline#highlighter#highlight_modified_inactive(winbufnr(winnr)) endfor call airline#highlighter#highlight(['inactive']) call airline#highlighter#highlight(['normal']) endfunction function! airline#highlighter#add_separator(from, to, inverse) let s:separators[a:from.a:to] = [a:from, a:to, a:inverse] call exec_separator({}, a:from, a:to, a:inverse, '') endfunction function! airline#highlighter#add_accent(accent) let s:accents[a:accent] = 1 endfunction function! airline#highlighter#highlight_modified_inactive(bufnr) if getbufvar(a:bufnr, '&modified') let colors = exists('g:airline#themes#{g:airline_theme}#palette.inactive_modified.airline_c') \ ? g:airline#themes#{g:airline_theme}#palette.inactive_modified.airline_c : [] else let colors = exists('g:airline#themes#{g:airline_theme}#palette.inactive.airline_c') \ ? g:airline#themes#{g:airline_theme}#palette.inactive.airline_c : [] endif if !empty(colors) call airline#highlighter#exec('airline_c'.(a:bufnr).'_inactive', colors) endif endfunction function! airline#highlighter#highlight(modes) let p = g:airline#themes#{g:airline_theme}#palette " draw the base mode, followed by any overrides let mapped = map(a:modes, 'v:val == a:modes[0] ? v:val : a:modes[0]."_".v:val') let suffix = a:modes[0] == 'inactive' ? '_inactive' : '' for mode in mapped if exists('g:airline#themes#{g:airline_theme}#palette[mode]') let dict = g:airline#themes#{g:airline_theme}#palette[mode] for kvp in items(dict) let mode_colors = kvp[1] call airline#highlighter#exec(kvp[0].suffix, mode_colors) for accent in keys(s:accents) if !has_key(p.accents, accent) continue endif let colors = copy(mode_colors) if p.accents[accent][0] != '' let colors[0] = p.accents[accent][0] endif if p.accents[accent][2] != '' let colors[2] = p.accents[accent][2] endif if len(colors) >= 5 let colors[4] = get(p.accents[accent], 4, '') else call add(colors, get(p.accents[accent], 4, '')) endif call airline#highlighter#exec(kvp[0].suffix.'_'.accent, colors) endfor endfor " TODO: optimize this for sep in items(s:separators) call exec_separator(dict, sep[1][0], sep[1][1], sep[1][2], suffix) endfor endif endfor endfunction