vim-airline/plugin/airline.vim

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if !exists('g:airline_left_sep')
let g:airline_left_sep = exists('g:airline_powerline_fonts')?"":">"
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endif
if !exists('g:airline_right_sep')
let g:airline_right_sep = exists('g:airline_powerline_fonts')?"":"<"
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endif
if !exists('g:airline_enable_fugitive')
let g:airline_enable_fugitive = 1
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endif
if !exists('g:airline_enable_syntastic')
let g:airline_enable_syntastic = 1
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endif
if !exists('g:airline_fugitive_prefix')
let g:airline_fugitive_prefix = exists('g:airline_powerline_fonts')?'  ':' '
endif
if !exists('g:airline_readonly_symbol')
let g:airline_readonly_symbol = exists('g:airline_powerline_fonts')?'':'RO'
endif
if !exists('g:airline_linecolumn_prefix')
let g:airline_linecolumn_prefix = exists('g:airline_powerline_fonts')?' ':':'
endif
if !exists('g:airline_theme')
let g:airline_theme = 'default'
endif
if !exists('g:airline_modified_detection')
let g:airline_modified_detection=1
endif
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set laststatus=2
for mode in ['normal','insert','visual']
let s:airline_colors_{mode} = g:airline#themes#{g:airline_theme}#{mode}
let s:airline_colors_{mode}_modified = g:airline#themes#{g:airline_theme}#{mode}_modified
endfor
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let s:airline_mode_map = {
\ 'n' : ' NORMAL ',
\ 'i' : ' INSERT ',
\ 'R' : ' RPLACE ',
\ 'v' : ' VISUAL ',
\ 'V' : ' V-LINE ',
\ 'c' : ' CMD ',
\ '' : ' V-BLCK ',
\ }
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let s:airline_highlight_map = {
\ 'mode' : 'User2',
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\ 'mode_separator' : 'User3',
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\ 'info' : 'User4',
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\ 'info_separator' : 'User5',
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\ 'statusline' : 'StatusLine',
\ 'statusline_nc' : 'StatusLineNC',
\ 'file' : 'User6',
\ 'inactive' : 'User9',
\ }
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function! s:highlight(mode, keys)
let l:mode = a:mode
if g:airline_modified_detection && &modified
let l:mode .= '_modified'
endif
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for key in a:keys
if exists('s:airline_colors_{l:mode}') && exists('s:airline_colors_{l:mode}[key]')
let colors = s:airline_colors_{l:mode}[key]
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if (has('win32') || has('win64')) && !has('gui_running')
let colors = map(colors, 'v:val != "" && v:val > 128 ? v:val - 128 : v:val')
endif
let cmd = printf('hi %s %s %s %s %s %s %s',
\ s:airline_highlight_map[key],
\ colors[0] != '' ? 'guifg='.colors[0] : '',
\ colors[1] != '' ? 'guibg='.colors[1] : '',
\ colors[2] != '' ? 'ctermfg='.colors[2] : '',
\ colors[3] != '' ? 'ctermbg='.colors[3] : '',
\ colors[4] != '' ? 'gui='.colors[4] : '',
\ colors[4] != '' ? 'term='.colors[4] : '')
exec cmd
endif
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endfor
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endfunction
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function! s:update_statusline(active)
if &ft == 'qf' || matchstr(expand('%'), 'NERD') ==# 'NERD' || matchstr(expand('%'), 'Tagbar') ==# 'Tagbar'
return
endif
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let l:mode_color = a:active ? "%2*" : "%9*"
let l:mode_sep_color = a:active ? "%3*" : "%9*"
let l:info_color = a:active ? "%4*" : "%9*"
let l:info_sep_color = a:active ? "%5*" : "%9*"
let l:status_color = a:active ? "%*" : "%9*"
let l:file_flag_color = a:active ? "%6*" : "%9*"
let sl = a:active ? l:mode_color."%{AirlineModePrefix()}".l:mode_sep_color : l:mode_color." NORMAL %9*"
let sl.="%{g:airline_left_sep}".l:info_color
let sl.="%{g:airline_enable_fugitive&&exists('g:loaded_fugitive')? g:airline_fugitive_prefix.fugitive#head():''}\ "
let sl.=l:info_sep_color."%{g:airline_left_sep}"
if a:active
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let sl.=l:status_color.(exists('g:bufferline_loaded')?"\ %{bufferline#generate_string()}\ ":"\ %f%m\ ")
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else
let sl.=" ".bufname(winbufnr(winnr()))
endif
let sl.="%#warningmsg#"
let sl.="%{g:airline_enable_syntastic&&exists('g:loaded_syntastic_plugin')?SyntasticStatuslineFlag():''}"
let sl.=l:status_color."%<%=".l:file_flag_color."%{&ro? g:airline_readonly_symbol :''}"
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let sl.="%q%{&previewwindow?'[preview]':''}"
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let sl.=l:status_color."\ %{strlen(&filetype)>0?&filetype:''}\ "
let sl.=l:info_sep_color."%{g:airline_right_sep}".l:info_color."\ "
let sl.="%{strlen(&fileencoding)>0?&fileencoding:''}"
let sl.="%{strlen(&fileformat)>0?'['.&fileformat.']':''}"
let sl.="\ ".l:mode_sep_color."%{g:airline_right_sep}"
let sl.=l:mode_color."\ %3p%%\ ".g:airline_linecolumn_prefix."%3l:%3c\ "
call setwinvar(winnr(), '&statusline', sl)
endfunction
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function! AirlineModePrefix()
let l:mode = mode()
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call <sid>highlight('normal', ['statusline','statusline_nc','inactive','mode','mode_separator','info','info_separator','file'])
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if l:mode ==# "i" || l:mode ==# "R"
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call <sid>highlight('insert', ['statusline','mode','mode_separator','info','info_separator'])
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elseif l:mode ==? "v" || l:mode ==# ""
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call <sid>highlight('visual', ['statusline','mode','mode_separator','info','info_separator'])
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endif
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if has_key(s:airline_mode_map, l:mode)
return s:airline_mode_map[l:mode]
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endif
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return l:mode
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endfunction
augroup airline
au!
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autocmd VimEnter * call AirlineModePrefix()
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autocmd WinLeave * call <sid>update_statusline(0)
autocmd VimEnter,WinEnter,BufWinEnter * call <sid>update_statusline(1)
autocmd ColorScheme * hi clear StatusLine | hi clear StatusLineNC
" if you know why lazyredraw affects statusline rendering i'd love to know!
if !&lazyredraw
autocmd InsertLeave * :redrawstatus
endif
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augroup END