vim-airline/autoload/airline/extensions/tabline.vim

268 lines
9.7 KiB
VimL

" MIT License. Copyright (c) 2013-2020 Bailey Ling et al.
" vim: et ts=2 sts=2 sw=2
scriptencoding utf-8
let s:taboo = get(g:, 'airline#extensions#taboo#enabled', 1) && get(g:, 'loaded_taboo', 0)
if s:taboo
let g:taboo_tabline = 0
endif
let s:ctrlspace = get(g:, 'CtrlSpaceLoaded', 0)
let s:tabws = get(g:, 'tabws_loaded', 0)
function! airline#extensions#tabline#init(ext)
if has('gui_running')
set guioptions-=e
endif
autocmd User AirlineToggledOn call s:toggle_on()
autocmd User AirlineToggledOff call s:toggle_off()
call s:toggle_on()
call a:ext.add_theme_func('airline#extensions#tabline#load_theme')
endfunction
function! s:toggle_off()
call airline#extensions#tabline#autoshow#off()
call airline#extensions#tabline#tabs#off()
call airline#extensions#tabline#buffers#off()
if s:ctrlspace
call airline#extensions#tabline#ctrlspace#off()
endif
if s:tabws
call airline#extensions#tabline#tabws#off()
endif
endfunction
function! s:toggle_on()
if get(g:, 'airline_statusline_ontop', 0)
call airline#extensions#tabline#enable()
let &tabline='%!airline#statusline('.winnr().')'
return
endif
call airline#extensions#tabline#autoshow#on()
call airline#extensions#tabline#tabs#on()
call airline#extensions#tabline#buffers#on()
if s:ctrlspace
call airline#extensions#tabline#ctrlspace#on()
endif
if s:tabws
call airline#extensions#tabline#tabws#on()
endif
set tabline=%!airline#extensions#tabline#get()
endfunction
function! s:update_tabline(forceit)
if get(g:, 'airline#extensions#tabline#disable_refresh', 0)
return
endif
" loading a session file
" On SessionLoadPost, g:SessionLoad variable is still set :/
if !a:forceit && get(g:, 'SessionLoad', 0)
return
endif
let match = expand('<afile>')
if pumvisible()
return
elseif !get(g:, 'airline#extensions#tabline#enabled', 0)
return
" return, if buffer matches ignore pattern or is directory (netrw)
elseif empty(match) || airline#util#ignore_buf(match) || isdirectory(match)
return
endif
call airline#util#doautocmd('BufMRUChange')
call airline#extensions#tabline#redraw()
endfunction
function! airline#extensions#tabline#redraw()
" sometimes, the tabline is not correctly updated see #1580
" so force redraw here
if exists(":redrawtabline") == 2
redrawtabline
else
" Have to set a property equal to itself to get airline to re-eval.
" Setting `let &tabline=&tabline` destroys the cursor position so we
" need something less invasive.
let &ro = &ro
endif
endfunction
function! airline#extensions#tabline#enable()
if &lines > 3
set showtabline=2
endif
endfunction
function! airline#extensions#tabline#load_theme(palette)
if pumvisible()
return
endif
let colors = get(a:palette, 'tabline', {})
let tablabel = get(colors, 'airline_tablabel', a:palette.normal.airline_b)
" Theme for tabs on the left
let tab = get(colors, 'airline_tab', a:palette.inactive.airline_c)
let tabsel = get(colors, 'airline_tabsel', a:palette.normal.airline_a)
let tabtype = get(colors, 'airline_tabtype', a:palette.visual.airline_a)
let tabfill = get(colors, 'airline_tabfill', a:palette.normal.airline_c)
let tabmod = get(colors, 'airline_tabmod', a:palette.insert.airline_a)
let tabhid = get(colors, 'airline_tabhid', a:palette.normal.airline_c)
if has_key(a:palette, 'normal_modified') && has_key(a:palette.normal_modified, 'airline_c')
let tabmodu = get(colors, 'airline_tabmod_unsel', a:palette.normal_modified.airline_c)
else
"Fall back to normal airline_c if modified airline_c isn't present
let tabmodu = get(colors, 'airline_tabmod_unsel', a:palette.normal.airline_c)
endif
call airline#highlighter#exec('airline_tablabel', tablabel)
call airline#highlighter#exec('airline_tab', tab)
call airline#highlighter#exec('airline_tabsel', tabsel)
call airline#highlighter#exec('airline_tabtype', tabtype)
call airline#highlighter#exec('airline_tabfill', tabfill)
call airline#highlighter#exec('airline_tabmod', tabmod)
call airline#highlighter#exec('airline_tabmod_unsel', tabmodu)
call airline#highlighter#exec('airline_tabhid', tabhid)
" Theme for tabs on the right
" label on the right
let tablabel_r = get(colors, 'airline_tablabel', a:palette.normal.airline_b)
let tabsel_right = get(colors, 'airline_tabsel_right', a:palette.normal.airline_a)
let tab_right = get(colors, 'airline_tab_right', a:palette.inactive.airline_c)
let tabmod_right = get(colors, 'airline_tabmod_right', a:palette.insert.airline_a)
let tabhid_right = get(colors, 'airline_tabhid_right', a:palette.normal.airline_c)
if has_key(a:palette, 'normal_modified') && has_key(a:palette.normal_modified, 'airline_c')
let tabmodu_right = get(colors, 'airline_tabmod_unsel_right', a:palette.normal_modified.airline_c)
else
"Fall back to normal airline_c if modified airline_c isn't present
let tabmodu_right = get(colors, 'airline_tabmod_unsel_right', a:palette.normal.airline_c)
endif
call airline#highlighter#exec('airline_tablabel_right', tablabel_r)
call airline#highlighter#exec('airline_tab_right', tab_right)
call airline#highlighter#exec('airline_tabsel_right', tabsel_right)
call airline#highlighter#exec('airline_tabmod_right', tabmod_right)
call airline#highlighter#exec('airline_tabhid_right', tabhid_right)
call airline#highlighter#exec('airline_tabmod_unsel_right', tabmodu_right)
endfunction
let s:current_tabcnt = -1
function! airline#extensions#tabline#get()
let show_buffers = get(g:, 'airline#extensions#tabline#show_buffers', 1)
let show_tabs = get(g:, 'airline#extensions#tabline#show_tabs', 1)
let curtabcnt = tabpagenr('$')
if curtabcnt != s:current_tabcnt
let s:current_tabcnt = curtabcnt
call airline#extensions#tabline#tabs#invalidate()
call airline#extensions#tabline#buffers#invalidate()
call airline#extensions#tabline#ctrlspace#invalidate()
call airline#extensions#tabline#tabws#invalidate()
endif
if !exists('#airline#BufAdd#*')
autocmd airline BufAdd * call <sid>update_tabline(0)
endif
if !exists('#airline#SessionLoadPost')
autocmd airline SessionLoadPost * call <sid>update_tabline(1)
endif
if s:ctrlspace
return airline#extensions#tabline#ctrlspace#get()
elseif s:tabws
return airline#extensions#tabline#tabws#get()
elseif show_buffers && curtabcnt == 1 || !show_tabs
return airline#extensions#tabline#buffers#get()
else
return airline#extensions#tabline#tabs#get()
endif
endfunction
function! airline#extensions#tabline#title(n)
let title = ''
if s:taboo
let title = TabooTabTitle(a:n)
endif
if empty(title) && exists('*gettabvar')
let title = gettabvar(a:n, 'title')
endif
let formatter = get(g:, 'airline#extensions#tabline#tabtitle_formatter')
if empty(title) && formatter !=# '' && exists("*".formatter)
let title = call(formatter, [a:n])
endif
if empty(title)
let buflist = tabpagebuflist(a:n)
let winnr = tabpagewinnr(a:n)
let all_buffers = airline#extensions#tabline#buflist#list()
let curbuf = filter(buflist, 'index(all_buffers, v:val) != -1')
if len(curbuf) == 0
call add(curbuf, tabpagebuflist()[0])
endif
return airline#extensions#tabline#get_buffer_name(curbuf[0], curbuf)
endif
return title
endfunction
function! airline#extensions#tabline#get_buffer_name(nr, ...)
let buffers = a:0 ? a:1 : airline#extensions#tabline#buflist#list()
let formatter = get(g:, 'airline#extensions#tabline#formatter', 'default')
return airline#extensions#tabline#formatters#{formatter}#format(a:nr, buffers)
endfunction
function! airline#extensions#tabline#new_builder()
let builder_context = {
\ 'active' : 1,
\ 'tabline' : 1,
\ 'right_sep' : get(g:, 'airline#extensions#tabline#right_sep' , g:airline_right_sep),
\ 'right_alt_sep' : get(g:, 'airline#extensions#tabline#right_alt_sep', g:airline_right_alt_sep),
\ }
if get(g:, 'airline_powerline_fonts', 0)
let builder_context.left_sep = get(g:, 'airline#extensions#tabline#left_sep' , g:airline_left_sep)
let builder_context.left_alt_sep = get(g:, 'airline#extensions#tabline#left_alt_sep' , g:airline_left_alt_sep)
else
let builder_context.left_sep = get(g:, 'airline#extensions#tabline#left_sep' , ' ')
let builder_context.left_alt_sep = get(g:, 'airline#extensions#tabline#left_alt_sep' , '|')
endif
return airline#extensions#tabline#builder#new(builder_context)
endfunction
function! airline#extensions#tabline#group_of_bufnr(tab_bufs, bufnr)
let cur = bufnr('%')
if cur == a:bufnr
if g:airline_detect_modified && getbufvar(a:bufnr, '&modified')
let group = 'airline_tabmod'
else
let group = 'airline_tabsel'
endif
else
if g:airline_detect_modified && getbufvar(a:bufnr, '&modified')
let group = 'airline_tabmod_unsel'
elseif index(a:tab_bufs, a:bufnr) > -1
let group = 'airline_tab'
else
let group = 'airline_tabhid'
endif
endif
return group
endfunction
function! airline#extensions#tabline#add_label(dict, type, right)
if get(g:, 'airline#extensions#tabline#show_tab_type', 1)
call a:dict.add_section_spaced('airline_tablabel'.
\ (a:right ? '_right' : ''),
\ get(g:, 'airline#extensions#tabline#'.a:type.'_label', a:type))
endif
endfunction
function! airline#extensions#tabline#add_tab_label(dict)
let show_tab_count = get(g:, 'airline#extensions#tabline#show_tab_count', 1)
if show_tab_count == 2
call a:dict.add_section_spaced('airline_tabmod', printf('%s %d/%d', "tab", tabpagenr(), tabpagenr('$')))
elseif show_tab_count == 1 && tabpagenr('$') > 1
call a:dict.add_section_spaced('airline_tabmod', printf('%s %d/%d', "tab", tabpagenr(), tabpagenr('$')))
endif
endfunction