Files
vim-airline/plugin/airline.vim
T
angel¿ 5fb91eb8d7 style: adhere to contributing guidelines and optimize core logic (#2748)
* style: adhere to contributing guidelines and optimize core logic

* plugin: adhere to coding style and fix initialization
2026-04-20 16:19:28 +02:00

339 lines
9.8 KiB
VimL

" MIT License. Copyright (c) 2013-2021 Bailey Ling, Christian Brabandt et al.
" vim: et ts=2 sts=2 sw=2
let s:save_cpo = &cpo
set cpo&vim
scriptencoding utf-8
if &compatible || v:version < 702 || (exists('g:loaded_airline') && g:loaded_airline)
finish
endif
let g:loaded_airline = 1
let s:airline_initialized = 0
function! s:init()
if s:airline_initialized
return
endif
let s:airline_initialized = 1
call airline#extensions#load()
call airline#init#sections()
let s:theme_in_vimrc = exists('g:airline_theme')
if s:theme_in_vimrc
try
if g:airline_theme is# 'random'
let g:airline_theme = s:random_theme()
endif
let palette = g:airline#themes#{g:airline_theme}#palette
catch
call airline#util#warning(printf('Could not resolve airline theme "%s".', g:airline_theme))
let g:airline_theme = 'dark'
endtry
try
silent call airline#switch_theme(g:airline_theme)
catch
call airline#util#warning(printf('Could not find airline theme "%s".', g:airline_theme))
let g:airline_theme = 'dark'
silent call airline#switch_theme(g:airline_theme)
endtry
else
let g:airline_theme = 'dark'
silent call s:on_colorscheme_changed()
endif
call airline#util#doautocmd('AirlineAfterInit')
endfunction
let s:active_winnr = -1
function! s:on_window_changed(event)
" don't trigger for Vim popup windows
if &buftype is# 'popup'
return
endif
if pumvisible() && (!&previewwindow || g:airline_exclude_preview)
" do not trigger for previewwindows
return
endif
let s:active_winnr = winnr()
" Handle each window only once, since we might come here several times for
" different autocommands.
let key = [bufnr('%'), s:active_winnr, winnr('$'), tabpagenr(), &filetype]
if get(g:, 'airline_last_window_changed', []) == key
\ && &statusline is# '%!airline#statusline('.s:active_winnr.')'
\ && &filetype !~? 'gitcommit'
" fugitive is special, it changes names and filetypes several times,
" make sure the caching does not get into its way
if a:event ==# 'BufUnload'
" in the BufUnload event, make sure the cacheing does not prevent
" removing stale entries
call airline#highlighter#remove_separators_for_bufnr(expand('<abuf>'))
endif
return
endif
let g:airline_last_window_changed = key
call s:init()
call airline#update_statusline()
if a:event ==# 'BufUnload'
call airline#highlighter#remove_separators_for_bufnr(expand('<abuf>'))
endif
endfunction
function! s:on_focus_gained()
if &eventignore =~? 'focusgained'
return
endif
if airline#util#try_focusgained()
unlet! w:airline_lastmode
call s:airline_refresh(1)
endif
endfunction
function! s:on_cursor_moved()
if winnr() != s:active_winnr || !exists('w:airline_active')
call s:on_window_changed('CursorMoved')
endif
call airline#update_tabline()
endfunction
function! s:on_colorscheme_changed()
call s:init()
unlet! g:airline#highlighter#normal_fg_hi
call airline#highlighter#reset_hlcache()
if !s:theme_in_vimrc
call airline#switch_matching_theme()
endif
call airline#load_theme()
endfunction
function! airline#cmdwinenter(...)
call airline#extensions#apply_left_override('Command Line', '')
endfunction
function! s:airline_toggle()
if exists("#airline")
augroup airline
autocmd!
augroup END
augroup! airline
if exists("s:stl")
let &statusline = s:stl
endif
if exists("s:tal")
let [&tabline, &showtabline] = s:tal
endif
call airline#highlighter#reset_hlcache()
call airline#util#doautocmd('AirlineToggledOff')
else
let s:stl = &statusline
let s:tal = [&tabline, &showtabline]
augroup airline
autocmd!
autocmd CmdwinEnter *
\ call airline#add_statusline_func('airline#cmdwinenter')
\ | call <sid>on_window_changed('CmdwinEnter')
autocmd CmdwinLeave * call airline#remove_statusline_func('airline#cmdwinenter')
autocmd ColorScheme * call <sid>on_colorscheme_changed()
" Set all statuslines to inactive
autocmd FocusLost * call airline#update_statusline_focuslost()
" Refresh airline for :syntax off
autocmd SourcePre */syntax/syntax.vim
\ call airline#extensions#tabline#buffers#invalidate()
autocmd VimEnter * call <sid>on_window_changed('VimEnter')
autocmd WinEnter * call <sid>on_window_changed('WinEnter')
autocmd FileType * call <sid>on_window_changed('FileType')
autocmd BufWinEnter * call <sid>on_window_changed('BufWinEnter')
autocmd BufUnload * call <sid>on_window_changed('BufUnload')
if exists('##CompleteDone')
autocmd CompleteDone * call <sid>on_window_changed('CompleteDone')
endif
" non-trivial number of external plugins use eventignore=all, so we need to account for that
autocmd CursorMoved * call <sid>on_cursor_moved()
autocmd VimResized * call <sid>on_focus_gained()
if exists('*timer_start') && exists('*funcref') && &eventignore !~? 'focusgained'
" do not trigger FocusGained on startup, it might erase the intro screen (see #1817)
" needs funcref() (needs 7.4.2137) and timers (7.4.1578)
let Handler = funcref('<sid>FocusGainedHandler')
let s:timer = timer_start(5000, Handler)
else
autocmd FocusGained * call s:on_focus_gained()
endif
if exists("##TerminalOpen")
" Using the same function with the TermOpen autocommand
" breaks for Neovim see #1828, looks like a neovim bug.
autocmd TerminalOpen * call airline#load_theme()
endif
autocmd TabEnter * unlet! w:airline_lastmode | let w:airline_active = 1
autocmd BufWritePost */autoload/airline/themes/*.vim
\ execute 'source '.split(globpath(&rtp, 'autoload/airline/themes/'.g:airline_theme.'.vim', 1), "\n")[0]
\ | call airline#load_theme()
autocmd User AirlineModeChanged nested call airline#mode_changed()
if get(g:, 'airline_statusline_ontop', 0)
" Force update of tabline more often
autocmd InsertEnter,InsertLeave,CursorMovedI * call airline#update_tabline()
endif
if exists("##ModeChanged")
autocmd ModeChanged * call airline#update_tabline()
endif
augroup END
if !airline#util#stl_disabled(winnr())
if &laststatus < 2
let scroll_bak = &scroll
if !get(g:, 'airline_statusline_ontop', 0)
set laststatus=2
endif
let &scroll = scroll_bak
endif
endif
if airline#util#has_multiline() && &statuslineopt !~# 'maxheight:'
set statuslineopt+=maxheight:2
endif
if s:airline_initialized
call s:on_window_changed('Init')
endif
call airline#util#doautocmd('AirlineToggledOn')
endif
endfunction
function! s:get_airline_themes(a, l, p)
return airline#util#themes(a:a)
endfunction
function! s:airline_theme(...)
if a:0
try
let theme = a:1
if theme is# 'random'
let theme = s:random_theme()
endif
call airline#switch_theme(theme)
catch
endtry
if a:1 is# 'random'
echo g:airline_theme
endif
else
echo g:airline_theme
endif
endfunction
function! s:airline_refresh(...)
" a:1, fast refresh, do not reload the theme
let fast = !empty(get(a:000, 0, 0))
if !exists("#airline")
" disabled
return
endif
call airline#util#doautocmd('AirlineBeforeRefresh')
call airline#highlighter#reset_hlcache()
if !fast
call airline#load_theme()
endif
call airline#update_statusline()
call airline#update_tabline()
endfunction
function! s:FocusGainedHandler(timer)
if exists("s:timer") && a:timer == s:timer && exists('#airline') && &eventignore !~? 'focusgained'
augroup airline
autocmd FocusGained * call s:on_focus_gained()
augroup END
endif
endfunction
function! s:airline_extensions()
let loaded = airline#extensions#get_loaded_extensions()
let files = split(globpath(&rtp, 'autoload/airline/extensions/*.vim', 1), "\n")
call map(files, 'fnamemodify(v:val, ":t:r")')
if empty(files)
echo "No extensions loaded"
return
endif
echohl Title
echo printf("%-15s\t%s\t%s", "Extension", "Extern", "Status")
echohl Normal
let set = []
let not_loaded = []
for ext in sort(files)
" prevent duplicates
if index(set + not_loaded, ext) > -1
continue
endif
let indx = match(loaded, '^'.ext.'\*\?$')
if indx == -1
call add(not_loaded, ext)
continue
endif
call add(set, ext)
let external = (loaded[indx] =~ '\*$')
echo printf("%-15s\t%s\tloaded", ext, external)
endfor
for ext in not_loaded
echo printf("%-15s\t%s\tnot loaded", ext, 0)
endfor
endfunction
function! s:rand(max) abort
if exists("*rand")
" Needs Vim 8.1.2342
let number = rand()
elseif has("reltime")
let timerstr = reltimestr(reltime())
let number = split(timerstr, '\.')[1] + 0
elseif has("win32") && &shell =~? 'cmd'
let number = system("echo %random%") + 0
else
" best effort, bash and zsh provide $RANDOM
let number = expand("$RANDOM") + 0
endif
return number % a:max
endfunction
function! s:random_theme() abort
let themes = airline#util#themes('')
return themes[s:rand(len(themes))]
endfunction
command! -bar -nargs=? -complete=customlist,<sid>get_airline_themes AirlineTheme call <sid>airline_theme(<f-args>)
command! -bar AirlineToggleWhitespace call airline#extensions#whitespace#toggle()
command! -bar AirlineToggle call s:airline_toggle()
command! -bar -bang AirlineRefresh call s:airline_refresh(<q-bang>)
command! AirlineExtensions call s:airline_extensions()
call airline#init#bootstrap()
call s:airline_toggle()
if exists("v:vim_did_enter") && v:vim_did_enter
call <sid>on_window_changed('VimEnter')
endif
let &cpo = s:save_cpo
unlet s:save_cpo