vim-airline/autoload/airline.vim

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" MIT license. Copyright (c) 2013 Bailey Ling.
" vim: ts=2 sts=2 sw=2 fdm=indent
let s:is_win32term = (has('win32') || has('win64')) && !has('gui_running')
let s:sections = ['a','b','c','gutter','x','y','z','warning']
let s:airline_highlight_map = {
\ 'mode' : 'Al2',
\ 'mode_separator' : 'Al3',
\ 'info' : 'Al4',
\ 'info_separator' : 'Al5',
\ 'statusline' : 'Al6',
\ 'file' : 'Al7',
\ }
function! airline#exec_highlight(group, colors)
let colors = a:colors
if s:is_win32term
let colors = map(a:colors, 'v:val != "" && v:val > 128 ? v:val - 128 : v:val')
endif
exec printf('hi %s %s %s %s %s %s %s %s',
\ a:group,
\ colors[0] != '' ? 'guifg='.colors[0] : '',
\ colors[1] != '' ? 'guibg='.colors[1] : '',
\ colors[2] != '' ? 'ctermfg='.colors[2] : '',
\ colors[3] != '' ? 'ctermbg='.colors[3] : '',
\ len(colors) > 4 && colors[4] != '' ? 'gui='.colors[4] : '',
\ len(colors) > 4 && colors[4] != '' ? 'cterm='.colors[4] : '',
\ len(colors) > 4 && colors[4] != '' ? 'term='.colors[4] : '')
endfunction
function! airline#reload_highlight()
call airline#highlight(['inactive'])
call airline#highlight(['normal'])
call airline#themes#exec_highlight_separator('Al2', 'warningmsg')
endfunction
function! airline#load_theme(name)
let g:airline_theme = a:name
let inactive_colors = g:airline#themes#{g:airline_theme}#inactive "also lazy loads the theme
let w:airline_lastmode = ''
call airline#reload_highlight()
call airline#update_highlight()
call airline#extensions#load_theme()
endfunction
function! airline#highlight(modes)
" 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')
for mode in mapped
if exists('g:airline#themes#{g:airline_theme}#{mode}')
for key in keys(g:airline#themes#{g:airline_theme}#{mode})
let colors = g:airline#themes#{g:airline_theme}#{mode}[key]
let suffix = a:modes[0] == 'inactive' ? '_inactive' : ''
call airline#exec_highlight(s:airline_highlight_map[key].suffix, colors)
endfor
endif
endfor
endfunction
" for 7.2 compatibility
function! s:getwinvar(winnr, key, ...)
let winvals = getwinvar(a:winnr, '')
return get(winvals, a:key, (a:0 ? a:1 : ''))
endfunction
function! s:get_section(winnr, key, ...)
let text = s:getwinvar(a:winnr, 'airline_section_'.a:key, g:airline_section_{a:key})
let [prefix, suffix] = [get(a:000, 0, '%( '), get(a:000, 1, ' %)')]
return empty(text) ? '' : prefix.text.suffix
endfunction
function! s:get_statusline(winnr, active)
let l:mode_color = a:active ? "%#Al2#" : "%#Al2_inactive#"
let l:mode_sep_color = a:active ? "%#Al3#" : "%#Al3_inactive#"
let l:info_color = a:active ? "%#Al4#" : "%#Al4_inactive#"
let l:info_sep_color = a:active ? "%#Al5#" : "%#Al5_inactive#"
let l:status_color = a:active ? "%#Al6#" : "%#Al6_inactive#"
let l:file_flag_color = a:active ? "%#Al7#" : "%#Al7_inactive#"
let sl = '%{airline#update_highlight()}'
if a:active || s:getwinvar(a:winnr, 'airline_left_only', 0)
let sl.=l:mode_color.s:get_section(a:winnr, 'a')
let sl.='%{g:airline_detect_paste && &paste ? g:airline_paste_symbol." " : ""}'
let sl.=l:mode_sep_color
let sl.=a:active ? g:airline_left_sep : g:airline_left_alt_sep
let sl.=l:info_color
let sl.=s:get_section(a:winnr, 'b')
let sl.=l:info_sep_color
let sl.=g:airline_left_sep
let sl.=l:status_color.'%<'.s:get_section(a:winnr, 'c')
let sl.=' '.l:file_flag_color."%(%{&ro ? g:airline_readonly_symbol : ''}%)".l:status_color
let sl.=s:get_section(a:winnr, 'gutter', '', '')
let sl.=l:status_color
else
let sl.=l:status_color.' %f%m'
endif
if !s:getwinvar(a:winnr, 'airline_left_only', 0)
let sl.='%='
let sl.=s:get_section(a:winnr, 'x')
let sl.=l:info_sep_color
let sl.=a:active ? g:airline_right_sep : g:airline_right_alt_sep
let sl.=l:info_color
let sl.=s:get_section(a:winnr, 'y')
let sl.=l:mode_sep_color
let sl.=a:active ? g:airline_right_sep : g:airline_right_alt_sep
let sl.=l:mode_color
let sl.=s:get_section(a:winnr, 'z')
if a:active
let sl.='%(%#Al2_to_warningmsg#'.g:airline_right_sep
let sl.='%#warningmsg#'.s:getwinvar(a:winnr, 'airline_section_warning', '').'%)'
endif
endif
return sl
endfunction
function! airline#exec_funcrefs(list, break_early)
" for 7.2; we cannot iterate list, hence why we use range()
" for 7.3-[97, 328]; we cannot reuse the variable, hence the {}
for i in range(0, len(a:list) - 1)
let Fn{i} = a:list[i]
if a:break_early
if Fn{i}()
return 1
endif
else
call Fn{i}()
endif
endfor
return 0
endfunction
function! airline#update_statusline()
if airline#exec_funcrefs(g:airline_exclude_funcrefs, 1)
call setwinvar(winnr(), '&statusline', '')
return
endif
for nr in range(1, winnr('$'))
if nr != winnr() && getwinvar(nr, 'airline_active')
call setwinvar(nr, '&statusline', s:get_statusline(nr, 0))
call setwinvar(nr, 'airline_active', 0)
endif
endfor
let w:airline_active = 1
unlet! w:airline_left_only
for section in s:sections
unlet! w:airline_section_{section}
endfor
call airline#exec_funcrefs(g:airline_statusline_funcrefs, 0)
call setwinvar(winnr(), '&statusline', s:get_statusline(winnr(), 1))
endfunction
function! airline#update_highlight()
if get(w:, 'airline_active', 1)
let l:m = mode()
if l:m ==# "i"
let l:mode = ['insert']
elseif l:m ==# "R"
let l:mode = ['replace']
elseif l:m =~# '\v(v|V|)'
let l:mode = ['visual']
elseif l:m =~# '\v(s|S|)'
let l:mode = ['visual']
else
let l:mode = ['normal']
endif
let g:airline_current_mode_text = get(g:airline_mode_map, l:m, l:m)
if g:airline_detect_iminsert && &iminsert
if get(g:, 'airline_powerline_fonts', 0)
let g:airline_current_mode_text .= ' '.g:airline_left_alt_sep
endif
let g:airline_current_mode_text .= ' '.toupper(get(b:, 'keymap_name', 'lang'))
endif
else
let l:mode = ['inactive']
endif
if g:airline_detect_modified && &modified | call add(l:mode, 'modified') | endif
if g:airline_detect_paste && &paste | call add(l:mode, 'paste') | endif
let mode_string = join(l:mode)
if get(w:, 'airline_lastmode', '') != mode_string
call airline#highlight(l:mode)
let w:airline_lastmode = mode_string
endif
return ''
endfunction