vim-airline/plugin/airline.vim
Christian Brabandt ea7f5d5313
extensions: show loaded extension once (at most once)
could happen, that extensions are shown several times, if airline is
available in your &rtp several times (for whatever reason)
2019-05-03 12:43:21 +02:00

274 lines
8.5 KiB
VimL

" MIT License. Copyright (c) 2013-2019 Bailey Ling, Christian Brabandt et al.
" vim: et ts=2 sts=2 sw=2
scriptencoding utf-8
if &cp || 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". Themes have been migrated to github.com/vim-airline/vim-airline-themes.', 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()
let s:active_winnr = winnr()
if pumvisible() && (!&previewwindow || g:airline_exclude_preview)
return
endif
" Handle each window only once, since we might come here several times for
" different autocommands.
let l:key = [bufnr('%'), s:active_winnr, winnr('$'), tabpagenr(), &ft]
if get(g:, 'airline_last_window_changed', []) == l:key
\ && &stl is# '%!airline#statusline('.s:active_winnr.')'
\ && &ft !~? 'gitcommit'
" fugitive is special, it changes names and filetypes several times,
" make sure the caching does not get into its way
return
endif
let g:airline_last_window_changed = l:key
call s:init()
call airline#update_statusline()
endfunction
function! s:on_cursor_moved()
if winnr() != s:active_winnr
call s:on_window_changed()
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()
let g:airline_gui_mode = airline#init#gui_mode()
if !s:theme_in_vimrc
call airline#switch_matching_theme()
endif
" couldn't find a match, or theme was defined, just refresh
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
au!
augroup END
augroup! airline
if exists("s:stl")
let &stl = s:stl
endif
if exists("s:tal")
let [&tal, &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()
autocmd CmdwinLeave * call airline#remove_statusline_func('airline#cmdwinenter')
autocmd GUIEnter,ColorScheme * call <sid>on_colorscheme_changed()
if exists("##OptionSet")
" Make sure that g_airline_gui_mode is refreshed
autocmd OptionSet termguicolors call <sid>on_colorscheme_changed()
endif
" 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,WinEnter,BufWinEnter,FileType,BufUnload *
\ call <sid>on_window_changed()
if exists('##CompleteDone')
autocmd CompleteDone * call <sid>on_window_changed()
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 * unlet! w:airline_lastmode | :call <sid>airline_refresh()
if exists('*timer_start') && exists('*funcref')
" 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 * unlet! w:airline_lastmode | :call <sid>airline_refresh()
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() " reload current theme for Terminal, forces the terminal extension to be loaded
endif
autocmd TabEnter * :unlet! w:airline_lastmode | let w:airline_active=1
autocmd BufWritePost */autoload/airline/themes/*.vim
\ exec '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
augroup END
if &laststatus < 2
set laststatus=2
endif
if s:airline_initialized
call s:on_window_changed()
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 " discard error
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
augroup airline
au FocusGained * unlet! w:airline_lastmode | :call <sid>airline_refresh()
augroup END
endif
endfu
function! s:airline_extensions()
let loaded = airline#extensions#get_loaded_extensions()
let files = split(globpath(&rtp, "autoload/airline/extensions/*.vim"), "\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=[]
for ext in sort(files)
if index(set, ext) > -1
continue
endif
let indx=match(loaded, '^'.ext.'\*\?$')
let external = (indx > -1 && loaded[indx] =~ '\*$')
echo printf("%-15s\t%s\t%sloaded", ext, external, indx == -1 ? 'not ' : '')
call add(set, ext)
endfor
endfunction
function! s:rand(max) abort
if 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 $RANDOM
" cmd.exe on windows provides %random%, but expand()
" does not seem to be able to expand this correctly.
" In the worst case, this always returns zero
let number=expand("$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()