vim-airline/plugin/airline.vim
2013-07-07 12:42:51 +00:00

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" vim: ts=2 sts=2 sw=2 fdm=indent
if &cp || v:version < 702 || (exists('g:loaded_airline') && g:loaded_airline)
finish
endif
let g:loaded_airline = 1
function! s:check_defined(variable, default)
if !exists(a:variable)
let {a:variable} = a:default
endif
endfunction
call s:check_defined('g:airline_left_sep', exists('g:airline_powerline_fonts')?"":">")
call s:check_defined('g:airline_right_sep', exists('g:airline_powerline_fonts')?"":"<")
call s:check_defined('g:airline_enable_bufferline', 1)
call s:check_defined('g:airline_enable_fugitive', 1)
call s:check_defined('g:airline_enable_syntastic', 1)
call s:check_defined('g:airline_fugitive_prefix', exists('g:airline_powerline_fonts')?' ':'')
call s:check_defined('g:airline_readonly_symbol', exists('g:airline_powerline_fonts')?'':'RO')
call s:check_defined('g:airline_linecolumn_prefix', exists('g:airline_powerline_fonts')?' ':':')
call s:check_defined('g:airline_paste_symbol', 'PASTE')
call s:check_defined('g:airline_theme', 'dark')
call s:check_defined('g:airline_modified_detection', 1)
call s:check_defined('g:airline_paste_detection', 1)
call s:check_defined('g:airline_exclude_filenames', ['DebuggerWatch','DebuggerStack','DebuggerStatus'])
call s:check_defined('g:airline_exclude_filetypes', ['qf','netrw','diff','undotree','gundo','nerdtree','tagbar'])
let s:is_win32term = (has('win32') || has('win64')) && !has('gui_running')
let s:load_the_theme = g:airline#themes#{g:airline_theme}#normal
call s:check_defined('g:airline_mode_map', {
\ 'n' : 'NORMAL',
\ 'i' : 'INSERT',
\ 'R' : 'RPLACE',
\ 'v' : 'VISUAL',
\ 'V' : 'V-LINE',
\ 'c' : 'CMD ',
\ '' : 'V-BLCK',
\ })
let s:airline_highlight_map = {
\ 'mode' : 'Al2',
\ 'mode_separator' : 'Al3',
\ 'info' : 'Al4',
\ 'info_separator' : 'Al5',
\ 'statusline' : 'Al6',
\ 'file' : 'Al7',
\ 'inactive' : 'Al9',
\ }
let s:airline_highlight_groups = keys(s:airline_highlight_map)
function! s:highlight(modes)
" always draw the base mode, and then override any/all of the colors with _override
let mapped = map(a:modes, 'v:val == a:modes[0] ? v:val : a:modes[0]."_".v:val')
for mode in mapped
for key in s:airline_highlight_groups
if exists('g:airline#themes#{g:airline_theme}#{mode}[key]')
let colors = g:airline#themes#{g:airline_theme}#{mode}[key]
if s:is_win32term
let colors = map(colors, 'v:val != "" && v:val > 128 ? v:val - 128 : v:val')
endif
exec 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] : '')
endif
endfor
endfor
endfunction
function! s:is_excluded_window()
for matchft in g:airline_exclude_filetypes
if matchft ==# &ft
return 1
endif
endfor
for matchw in g:airline_exclude_filenames
if matchstr(expand('%'), matchw) ==# matchw
return 1
endif
endfor
return 0
endfunction
let s:airline_sections_defined = 0
function! s:update_externals()
let g:airline_externals_bufferline = g:airline_enable_bufferline && exists('g:bufferline_loaded') ? '%{bufferline#generate_string()}' : "%f%m"
let g:airline_externals_syntastic = g:airline_enable_syntastic && exists('g:loaded_syntastic_plugin') ? '%{SyntasticStatuslineFlag()}' : ''
let g:airline_externals_fugitive = g:airline_enable_fugitive && exists('g:loaded_fugitive') && strlen(fugitive#head()) > 0
\ ? g:airline_fugitive_prefix.fugitive#head() : ''
if !s:airline_sections_defined
call airline#extensions#load()
call s:check_defined('g:airline_section_a', '%{g:airline_current_mode_text}')
call s:check_defined('g:airline_section_b', '%{g:airline_externals_fugitive}')
call s:check_defined('g:airline_section_c', g:airline_externals_bufferline)
call s:check_defined('g:airline_section_x', "%{strlen(&filetype)>0?&filetype:''}")
call s:check_defined('g:airline_section_y', "%{strlen(&fenc)>0?&fenc:''}%{strlen(&ff)>0?'['.&ff.']':''}")
call s:check_defined('g:airline_section_z', '%3p%% '.g:airline_linecolumn_prefix.'%3l:%3c')
let s:airline_sections_defined = 1
endif
endfunction
function! s:get_section(key)
return exists('w:airline_section_{a:key}') ? w:airline_section_{a:key} : g:airline_section_{a:key}
endfunction
function! s:update_statusline(active)
if s:is_excluded_window()
return
endif
call s:update_externals()
let l:mode_color = a:active ? "%#Al2#" : "%#Al9#"
let l:mode_sep_color = a:active ? "%#Al3#" : "%#Al9#"
let l:info_color = a:active ? "%#Al4#" : "%#Al9#"
let l:info_sep_color = a:active ? "%#Al5#" : "%#Al9#"
let l:status_color = a:active ? "%#Al6#" : "%#Al9#"
let l:file_flag_color = a:active ? "%#Al7#" : "%#Al9#"
let sl = l:mode_color
let sl.= a:active
\ ? '%{airline#update_highlight()} '.s:get_section('a').' %{g:airline_paste_detection && &paste ? g:airline_paste_symbol." " : ""}'
\ : ' %#Al9#'
let sl.=l:mode_sep_color.'%{g:airline_left_sep}'.l:info_color
let sl.=' '.s:get_section('b').' '
let sl.=l:info_sep_color.g:airline_left_sep
let sl.=a:active ? l:status_color.' '.s:get_section('c').' ' : ' '.bufname(winbufnr(winnr()))
let sl.='%#warningmsg#'.g:airline_externals_syntastic
let sl.=l:status_color."%<%=".l:file_flag_color."%{&ro ? g:airline_readonly_symbol : ''}%q%{&previewwindow ? '[preview]' : ''}".l:status_color
let sl.=' '.s:get_section('x').' '
let sl.=l:info_sep_color.g:airline_right_sep.l:info_color
let sl.=' '.s:get_section('y').' '
let sl.=l:mode_sep_color.g:airline_right_sep.l:mode_color
let sl.=' '.s:get_section('z').' '
call setwinvar(winnr(), '&statusline', sl)
endfunction
let s:lastmode = ''
let g:airline_current_mode_text = ''
function! airline#update_highlight()
let l:m = mode()
if l:m ==# "i" || l:m ==# "R"
let l:mode = ['insert']
elseif l:m ==? "v" || l:m ==# ""
let l:mode = ['visual']
else
let l:mode = ['normal']
endif
if g:airline_modified_detection && &modified
call add(l:mode, 'modified')
endif
if g:airline_paste_detection && &paste
call add(l:mode, 'paste')
endif
let mode_string = join(l:mode)
if s:lastmode != mode_string
call <sid>highlight(l:mode)
let s:lastmode = mode_string
endif
let g:airline_current_mode_text = get(g:airline_mode_map, l:m, l:m)
return ''
endfunction
augroup airline
au!
autocmd VimEnter,ColorScheme * call <sid>highlight(['normal'])
autocmd WinLeave * call <sid>update_statusline(0)
autocmd VimEnter,WinEnter,BufWinEnter * call <sid>update_statusline(1)
augroup END