314 lines
9.7 KiB
VimL
314 lines
9.7 KiB
VimL
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" MIT License. Copyright (c) 2013-2021 Bailey Ling et al.
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" vim: et ts=2 sts=2 sw=2
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scriptencoding utf-8
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let g:airline_statusline_funcrefs = get(g:, 'airline_statusline_funcrefs', [])
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let g:airline_inactive_funcrefs = get(g:, 'airline_inactive_statusline_funcrefs', [])
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let s:sections = ['a','b','c','gutter','x','y','z', 'error', 'warning']
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let s:contexts = {}
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let s:core_funcrefs = [
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\ function('airline#extensions#apply'),
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\ function('airline#extensions#default#apply') ]
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function! airline#add_statusline_func(name, ...)
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let warn = get(a:, 1, 1)
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call airline#add_statusline_funcref(function(a:name), warn)
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endfunction
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function! airline#add_inactive_statusline_func(name, ...)
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let warn = get(a:, 1, 1)
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call airline#add_inactive_statusline_funcref(function(a:name), warn)
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endfunction
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function! airline#add_statusline_funcref(function, ...)
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if index(g:airline_statusline_funcrefs, a:function) >= 0
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let warn = get(a:, 1, 1)
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if warn > 0
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call airline#util#warning(printf('The airline statusline funcref "%s" has already been added.', string(a:function)))
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endif
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return
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endif
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call add(g:airline_statusline_funcrefs, a:function)
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endfunction
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function! airline#remove_statusline_func(name)
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let i = index(g:airline_statusline_funcrefs, function(a:name))
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if i > -1
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call remove(g:airline_statusline_funcrefs, i)
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endif
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endfunction
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function! airline#add_inactive_statusline_funcref(function, ...)
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if index(g:airline_inactive_funcrefs, a:function) >= 0
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let warn = get(a:, 1, 1)
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if warn > 0
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call airline#util#warning(printf('The airline inactive statusline funcref "%s" has already been added.', string(a:function)))
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endif
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return
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endif
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call add(g:airline_inactive_funcrefs, a:function)
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endfunction
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function! airline#load_theme()
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let g:airline_theme = get(g:, 'airline_theme', 'dark')
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if exists('*airline#themes#{g:airline_theme}#refresh')
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call airline#themes#{g:airline_theme}#refresh()
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endif
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let palette = g:airline#themes#{g:airline_theme}#palette
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call airline#themes#patch(palette)
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if exists('g:airline_theme_patch_func')
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let Fn = function(g:airline_theme_patch_func)
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call Fn(palette)
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endif
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call airline#highlighter#load_theme()
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call airline#extensions#load_theme()
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call airline#update_statusline()
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call airline#util#doautocmd('AirlineAfterTheme')
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endfunction
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" Load an airline theme
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function! airline#switch_theme(name, ...)
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let silent = get(a:000, '0', 0)
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" get all available themes
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let themes = airline#util#themes('')
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let err = 0
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try
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if index(themes, a:name) == -1
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" Theme not available
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if !silent
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call airline#util#warning(printf('The specified theme "%s" cannot be found.', a:name))
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endif
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throw "not-found"
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let err = 1
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else
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exe "ru autoload/airline/themes/". a:name. ".vim"
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let g:airline_theme = a:name
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endif
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catch /^Vim/
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" catch only Vim errors, not "not-found"
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call airline#util#warning(printf('There is an error in theme "%s".', a:name))
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if &vbs
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call airline#util#warning(v:exception)
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endif
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let err = 1
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endtry
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if err
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if exists('g:airline_theme')
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return
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else
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let g:airline_theme = 'dark'
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endif
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endif
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unlet! w:airline_lastmode
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call airline#load_theme()
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" this is required to prevent clobbering the startup info message, i don't know why...
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call airline#check_mode(winnr())
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endfunction
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" Try to load the right theme for the current colorscheme
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function! airline#switch_matching_theme()
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if exists('g:colors_name')
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let existing = g:airline_theme
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let theme = tr(tolower(g:colors_name), '-', '_')
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try
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call airline#switch_theme(theme, 1)
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return 1
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catch
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for map in items(g:airline_theme_map)
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if match(g:colors_name, map[0]) > -1
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try
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call airline#switch_theme(map[1], 1)
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catch
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call airline#switch_theme(existing)
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endtry
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return 1
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endif
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endfor
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endtry
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endif
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return 0
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endfunction
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" Update the statusline
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function! airline#update_statusline()
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if airline#util#stl_disabled(winnr()) || airline#util#is_popup_window(winnr())
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return
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endif
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" TODO: need to ignore popup windows here as well?
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let range = filter(range(1, winnr('$')), 'v:val != winnr()')
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" create inactive statusline
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call airline#update_statusline_inactive(range)
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unlet! w:airline_render_left w:airline_render_right
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exe 'unlet! ' 'w:airline_section_'. join(s:sections, ' w:airline_section_')
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" Now create the active statusline
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let w:airline_active = 1
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let context = { 'winnr': winnr(), 'active': 1, 'bufnr': winbufnr(winnr()) }
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try
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call s:invoke_funcrefs(context, g:airline_statusline_funcrefs)
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catch /^Vim\%((\a\+)\)\=:E48:/
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" Catch: Sandbox mode
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" no-op
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endtry
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endfunction
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" Function to be called to make all statuslines inactive
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" Triggered on FocusLost autocommand
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function! airline#update_statusline_focuslost()
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if get(g:, 'airline_focuslost_inactive', 0)
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let bufnr=bufnr('%')
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call airline#highlighter#highlight_modified_inactive(bufnr)
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call airline#highlighter#highlight(['inactive'], bufnr)
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call airline#update_statusline_inactive(range(1, winnr('$')))
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endif
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endfunction
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" Function to draw inactive statuslines for inactive windows
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function! airline#update_statusline_inactive(range)
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if airline#util#stl_disabled(winnr())
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return
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endif
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for nr in a:range
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if airline#util#stl_disabled(nr)
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continue
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endif
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call setwinvar(nr, 'airline_active', 0)
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let context = { 'winnr': nr, 'active': 0, 'bufnr': winbufnr(nr) }
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if get(g:, 'airline_inactive_alt_sep', 0)
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call extend(context, {
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\ 'left_sep': g:airline_left_alt_sep,
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\ 'right_sep': g:airline_right_alt_sep }, 'keep')
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endif
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try
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call s:invoke_funcrefs(context, g:airline_inactive_funcrefs)
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catch /^Vim\%((\a\+)\)\=:E48:/
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" Catch: Sandbox mode
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" no-op
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endtry
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endfor
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endfunction
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" Gather output from all funcrefs which will later be returned by the
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" airline#statusline() function
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function! s:invoke_funcrefs(context, funcrefs)
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let builder = airline#builder#new(a:context)
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let err = airline#util#exec_funcrefs(a:funcrefs + s:core_funcrefs, builder, a:context)
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if err == 1
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let a:context.line = builder.build()
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let s:contexts[a:context.winnr] = a:context
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let option = get(g:, 'airline_statusline_ontop', 0) ? '&tabline' : '&statusline'
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call setwinvar(a:context.winnr, option, '%!airline#statusline('.a:context.winnr.')')
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endif
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endfunction
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" Main statusline function per window
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" will be set to the statusline option
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function! airline#statusline(winnr)
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if has_key(s:contexts, a:winnr)
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return '%{airline#check_mode('.a:winnr.')}'.s:contexts[a:winnr].line
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endif
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" in rare circumstances this happens...see #276
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return ''
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endfunction
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" Check if mode has changed
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function! airline#check_mode(winnr)
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if !has_key(s:contexts, a:winnr)
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return ''
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endif
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let context = s:contexts[a:winnr]
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if get(w:, 'airline_active', 1)
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let m = mode(1)
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" Refer :help mode() to see the list of modes
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" NB: 'let mode' here refers to the display colour _groups_,
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" not the literal mode's code (i.e., m). E.g., Select modes
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" v, S and ^V use 'visual' since they are of similar ilk.
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" Some modes do not get recognised for status line purposes:
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" no, nov, noV, no^V, !, cv, and ce.
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" Mode name displayed is handled in init.vim (g:airline_mode_map).
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"
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if m[0] ==# "i"
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let mode = ['insert'] " Insert modes + submodes (i, ic, ix)
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elseif m[0] == "R"
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let mode = ['replace'] " Replace modes + submodes (R, Rc, Rv, Rx) (NB: case sensitive as 'r' is a mode)
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elseif m[0] =~ '\v(v|V||s|S|)'
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let mode = ['visual'] " Visual and Select modes (v, V, ^V, s, S, ^S))
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elseif m ==# "t"
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let mode = ['terminal'] " Terminal mode (only has one mode (t))
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elseif m[0] =~ '\v(c|r|!)'
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let mode = ['commandline'] " c, cv, ce, r, rm, r? (NB: cv and ce stay showing as mode entered from)
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else
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let mode = ['normal'] " Normal mode + submodes (n, niI, niR, niV; plus operator pendings no, nov, noV, no^V)
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endif
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if exists("*VMInfos") && !empty(VMInfos())
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" Vim plugin Multiple Cursors https://github.com/mg979/vim-visual-multi
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let m = 'multi'
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endif
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" Adjust to handle additional modes, which don't display correctly otherwise
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if index(['niI', 'niR', 'niV', 'ic', 'ix', 'Rc', 'Rv', 'Rx', 'multi'], m) == -1
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let m = m[0]
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endif
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let w:airline_current_mode = get(g:airline_mode_map, m, m)
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else
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let mode = ['inactive']
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let w:airline_current_mode = get(g:airline_mode_map, '__')
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endif
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if g:airline_detect_modified && &modified
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call add(mode, 'modified')
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endif
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if g:airline_detect_paste && &paste
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call add(mode, 'paste')
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endif
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if g:airline_detect_crypt && exists("+key") && !empty(&key)
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call add(mode, 'crypt')
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endif
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if g:airline_detect_spell && &spell
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call add(mode, 'spell')
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endif
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if &readonly || ! &modifiable
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call add(mode, 'readonly')
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endif
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let mode_string = join(mode)
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if get(w:, 'airline_lastmode', '') != mode_string
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call airline#highlighter#highlight_modified_inactive(context.bufnr)
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call airline#highlighter#highlight(mode, string(context.bufnr))
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call airline#util#doautocmd('AirlineModeChanged')
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let w:airline_lastmode = mode_string
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endif
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return ''
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endfunction
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function! airline#update_tabline()
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if get(g:, 'airline_statusline_ontop', 0)
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call airline#extensions#tabline#redraw()
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endif
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endfunction
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function! airline#mode_changed()
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" airline#visual_active
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" Boolean: for when to get visual wordcount
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" needed for the wordcount extension
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let g:airline#visual_active = (mode() =~? '[vs]')
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call airline#update_tabline()
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endfunction
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