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

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" MIT License. Copyright (c) 2013 Bailey Ling.
" vim: et ts=2 sts=2 sw=2
let s:formatter = get(g:, 'airline#extensions#tabline#formatter', 'default')
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let s:excludes = get(g:, 'airline#extensions#tabline#excludes', [])
let s:tab_nr_type = get(g:, 'airline#extensions#tabline#tab_nr_type', 0)
let s:show_buffers = get(g:, 'airline#extensions#tabline#show_buffers', 1)
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let s:builder_context = {
\ 'active' : 1,
\ 'left_sep' : get(g:, 'airline#extensions#tabline#left_sep' , g:airline_left_sep),
\ 'left_alt_sep' : get(g:, 'airline#extensions#tabline#left_alt_sep' , g:airline_left_alt_sep),
\ '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),
\ }
let s:buf_min_count = get(g:, 'airline#extensions#tabline#buffer_min_count', 0)
let s:tab_min_count = get(g:, 'airline#extensions#tabline#tab_min_count', 0)
" TODO: temporary
let s:buf_max = get(g:, 'airline#extensions#tabline#buffer_max', winwidth(0) / 24)
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function! airline#extensions#tabline#init(ext)
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if has('gui_running')
set guioptions-=e
endif
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set tabline=%!airline#extensions#tabline#get()
if s:buf_min_count <= 0 && s:tab_min_count <= 0
set showtabline=2
else
if s:show_buffers == 1
autocmd CursorMoved * call <sid>cursormove(s:buf_min_count, len(s:get_buffer_list()))
else
autocmd CursorMoved * call <sid>cursormove(s:tab_min_count, tabpagenr('$'))
endif
endif
call a:ext.add_theme_func('airline#extensions#tabline#load_theme')
endfunction
function! airline#extensions#tabline#load_theme(palette)
let colors = get(a:palette, 'tabline', {})
let l:tab = get(colors, 'airline_tab', a:palette.normal.airline_b)
let l:tabsel = get(colors, 'airline_tabsel', a:palette.normal.airline_a)
let l:tabtype = get(colors, 'airline_tabtype', a:palette.visual.airline_a)
let l:tabfill = get(colors, 'airline_tabfill', a:palette.normal.airline_c)
let l:tabmod = get(colors, 'airline_tabmod', a:palette.insert.airline_a)
let l:tabhid = get(colors, 'airline_tabhid', a:palette.normal.airline_c)
call airline#highlighter#exec('airline_tab', l:tab)
call airline#highlighter#exec('airline_tabsel', l:tabsel)
call airline#highlighter#exec('airline_tabtype', l:tabtype)
call airline#highlighter#exec('airline_tabfill', l:tabfill)
call airline#highlighter#exec('airline_tabmod', l:tabmod)
call airline#highlighter#exec('airline_tabhid', l:tabhid)
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endfunction
function! s:cursormove(min_count, total_count)
if a:total_count >= a:min_count
if &showtabline != 2
set showtabline=2
endif
else
if &showtabline != 0
set showtabline=0
endif
endif
endfunction
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function! airline#extensions#tabline#get()
if s:show_buffers && tabpagenr('$') == 1
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return s:get_buffers()
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else
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return s:get_tabs()
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endif
endfunction
function! airline#extensions#tabline#title(n)
let buflist = tabpagebuflist(a:n)
let winnr = tabpagewinnr(a:n)
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return airline#extensions#tabline#get_buffer_name(buflist[winnr - 1])
endfunction
function! airline#extensions#tabline#get_buffer_name(nr)
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return airline#extensions#tabline#formatters#{s:formatter}(a:nr, get(s:, 'current_buffer_list', []))
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endfunction
function! s:get_buffer_list()
let buffers = []
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let cur = bufnr('%')
for nr in range(1, bufnr('$'))
if buflisted(nr) && bufexists(nr)
for ex in s:excludes
if match(bufname(nr), ex)
continue
endif
endfor
if getbufvar(nr, 'current_syntax') == 'qf'
continue
endif
call add(buffers, nr)
endif
endfor
" TODO: temporary fix; force the active buffer to be first when there are many buffers open
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if len(buffers) > s:buf_max && index(buffers, cur) > -1
while buffers[1] != cur
let first = remove(buffers, 0)
call add(buffers, first)
endwhile
let buffers = buffers[:s:buf_max]
call insert(buffers, -1, 0)
call add(buffers, -1)
endif
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let s:current_buffer_list = buffers
return buffers
endfunction
function! s:get_buffers()
let b = airline#builder#new(s:builder_context)
let cur = bufnr('%')
let tab_bufs = tabpagebuflist(tabpagenr())
for nr in s:get_buffer_list()
if nr < 0
call b.add_raw('%#airline_tabhid#...')
continue
endif
if cur == nr
if g:airline_detect_modified && getbufvar(nr, '&modified')
let group = 'airline_tabmod'
else
let group = 'airline_tabsel'
endif
else
if index(tab_bufs, nr) > -1
let group = 'airline_tab'
else
let group = 'airline_tabhid'
endif
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endif
call b.add_section(group, '%( %{airline#extensions#tabline#get_buffer_name('.nr.')} %)')
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endfor
call b.add_section('airline_tabfill', '')
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call b.split()
call b.add_section('airline_tabtype', ' buffers ')
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return b.build()
endfunction
function! s:get_tabs()
let b = airline#builder#new(s:builder_context)
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for i in range(1, tabpagenr('$'))
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if i == tabpagenr()
let group = 'airline_tabsel'
if g:airline_detect_modified
for bi in tabpagebuflist(i)
if getbufvar(bi, '&modified')
let group = 'airline_tabmod'
endif
endfor
endif
else
let group = 'airline_tab'
endif
let val = '%('
if s:tab_nr_type == 0
let val .= ' %{len(tabpagebuflist('.i.'))}'
else
let val .= (g:airline_symbols.space).i
endif
call b.add_section(group, val.'%'.i.'T %{airline#extensions#tabline#title('.i.')} %)')
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endfor
call b.add_raw('%T')
call b.add_section('airline_tabfill', '')
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call b.split()
call b.add_section('airline_tab', ' %999XX ')
call b.add_section('airline_tabtype', ' tabs ')
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return b.build()
endfunction