extract buffers view mode into its own file
This commit is contained in:
Bailey Ling
parent
987306dcaf
commit
7394642293
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@ -1,28 +1,9 @@
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" MIT License. Copyright (c) 2013-2015 Bailey Ling.
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" vim: et ts=2 sts=2 sw=2
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scriptencoding utf-8
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let s:formatter = get(g:, 'airline#extensions#tabline#formatter', 'default')
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let s:show_buffers = get(g:, 'airline#extensions#tabline#show_buffers', 1)
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let s:show_tabs = get(g:, 'airline#extensions#tabline#show_tabs', 1)
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let s:buffer_idx_mode = get(g:, 'airline#extensions#tabline#buffer_idx_mode', 0)
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let s:spc = g:airline_symbols.space
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let s:number_map = &encoding == 'utf-8'
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\ ? {
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\ '0': '⁰',
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\ '1': '¹',
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\ '2': '²',
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\ '3': '³',
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\ '4': '⁴',
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\ '5': '⁵',
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\ '6': '⁶',
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\ '7': '⁷',
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\ '8': '⁸',
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\ '9': '⁹'
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\ }
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\ : {}
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function! airline#extensions#tabline#init(ext)
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if has('gui_running')
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@ -31,23 +12,21 @@ function! airline#extensions#tabline#init(ext)
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autocmd User AirlineToggledOn call s:toggle_on()
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autocmd User AirlineToggledOff call s:toggle_off()
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autocmd BufDelete * let s:current_bufnr = -1
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call s:toggle_on()
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call a:ext.add_theme_func('airline#extensions#tabline#load_theme')
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if s:buffer_idx_mode
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call s:define_buffer_idx_mode_mappings()
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endif
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endfunction
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function! s:toggle_off()
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call airline#extensions#tabline#autoshow#off()
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call airline#extensions#tabline#tabs#off()
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call airline#extensions#tabline#buffers#off()
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endfunction
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function! s:toggle_on()
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call airline#extensions#tabline#autoshow#on()
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call airline#extensions#tabline#tabs#on()
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call airline#extensions#tabline#buffers#on()
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set tabline=%!airline#extensions#tabline#get()
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endfunction
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@ -76,15 +55,17 @@ function! airline#extensions#tabline#load_theme(palette)
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call airline#highlighter#exec('airline_tabhid', l:tabhid)
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endfunction
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let s:current_tabcnt = -1
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function! airline#extensions#tabline#get()
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let curtabcnt = tabpagenr('$')
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if curtabcnt != s:current_tabcnt
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let s:current_tabcnt = curtabcnt
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let s:current_bufnr = -1 " force a refresh...
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call airline#extensions#tabline#tabs#invalidate()
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call airline#extensions#tabline#buffers#invalidate()
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endif
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if s:show_buffers && curtabcnt == 1 || !s:show_tabs
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return s:get_buffers()
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return airline#extensions#tabline#buffers#get()
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else
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return airline#extensions#tabline#tabs#get()
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endif
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@ -100,148 +81,6 @@ function! airline#extensions#tabline#get_buffer_name(nr)
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return airline#extensions#tabline#formatters#{s:formatter}#format(a:nr, airline#extensions#tabline#buflist#list())
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endfunction
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function! s:get_visible_buffers()
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let buffers = airline#extensions#tabline#buflist#list()
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let cur = bufnr('%')
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let total_width = 0
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let max_width = 0
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for nr in buffers
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let width = len(airline#extensions#tabline#get_buffer_name(nr)) + 4
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let total_width += width
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let max_width = max([max_width, width])
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endfor
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" only show current and surrounding buffers if there are too many buffers
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let position = index(buffers, cur)
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let vimwidth = &columns
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if total_width > vimwidth && position > -1
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let buf_count = len(buffers)
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" determine how many buffers to show based on the longest buffer width,
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" use one on the right side and put the rest on the left
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let buf_max = vimwidth / max_width
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let buf_right = 1
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let buf_left = max([0, buf_max - buf_right])
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let start = max([0, position - buf_left])
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let end = min([buf_count, position + buf_right])
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" fill up available space on the right
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if position < buf_left
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let end += (buf_left - position)
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endif
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" fill up available space on the left
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if end > buf_count - 1 - buf_right
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let start -= max([0, buf_right - (buf_count - 1 - position)])
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endif
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let buffers = eval('buffers[' . start . ':' . end . ']')
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if start > 0
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call insert(buffers, -1, 0)
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endif
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if end < buf_count - 1
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call add(buffers, -1)
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endif
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endif
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let g:current_visible_buffers = buffers
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return buffers
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endfunction
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let s:current_bufnr = -1
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let s:current_tabcnt = -1
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let s:current_tabline = ''
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let s:current_modified = 0
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function! s:get_buffers()
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let cur = bufnr('%')
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if cur == s:current_bufnr
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if !g:airline_detect_modified || getbufvar(cur, '&modified') == s:current_modified
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return s:current_tabline
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endif
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endif
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let l:index = 1
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let b = airline#extensions#tabline#new_builder()
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let tab_bufs = tabpagebuflist(tabpagenr())
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for nr in s:get_visible_buffers()
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if nr < 0
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call b.add_raw('%#airline_tabhid#...')
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continue
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endif
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if cur == nr
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if g:airline_detect_modified && getbufvar(nr, '&modified')
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let group = 'airline_tabmod'
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else
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let group = 'airline_tabsel'
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endif
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let s:current_modified = (group == 'airline_tabmod') ? 1 : 0
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else
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if g:airline_detect_modified && getbufvar(nr, '&modified')
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let group = 'airline_tabmod_unsel'
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elseif index(tab_bufs, nr) > -1
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let group = 'airline_tab'
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else
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let group = 'airline_tabhid'
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endif
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endif
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if s:buffer_idx_mode
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if len(s:number_map) > 0
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call b.add_section(group, s:spc . get(s:number_map, l:index, '') . '%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)' . s:spc)
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else
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call b.add_section(group, '['.l:index.s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)'.']')
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endif
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let l:index = l:index + 1
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else
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call b.add_section(group, s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)'.s:spc)
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endif
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endfor
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call b.add_section('airline_tabfill', '')
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call b.split()
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call b.add_section('airline_tabfill', '')
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call b.add_section('airline_tabtype', ' buffers ')
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let s:current_bufnr = cur
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let s:current_tabline = b.build()
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return s:current_tabline
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endfunction
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function! s:select_tab(buf_index)
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" no-op when called in the NERDTree buffer
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if exists('t:NERDTreeBufName') && bufname('%') == t:NERDTreeBufName
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return
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endif
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let idx = a:buf_index
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if g:current_visible_buffers[0] == -1
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let idx = idx + 1
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endif
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let buf = get(g:current_visible_buffers, idx, 0)
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if buf != 0
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exec 'b!' . buf
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endif
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endfunction
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function! s:define_buffer_idx_mode_mappings()
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noremap <unique> <Plug>AirlineSelectTab1 :call <SID>select_tab(0)<CR>
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noremap <unique> <Plug>AirlineSelectTab2 :call <SID>select_tab(1)<CR>
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noremap <unique> <Plug>AirlineSelectTab3 :call <SID>select_tab(2)<CR>
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noremap <unique> <Plug>AirlineSelectTab4 :call <SID>select_tab(3)<CR>
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noremap <unique> <Plug>AirlineSelectTab5 :call <SID>select_tab(4)<CR>
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noremap <unique> <Plug>AirlineSelectTab6 :call <SID>select_tab(5)<CR>
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noremap <unique> <Plug>AirlineSelectTab7 :call <SID>select_tab(6)<CR>
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noremap <unique> <Plug>AirlineSelectTab8 :call <SID>select_tab(7)<CR>
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noremap <unique> <Plug>AirlineSelectTab9 :call <SID>select_tab(8)<CR>
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endfunction
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function! airline#extensions#tabline#new_builder()
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let builder_context = {
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\ 'active' : 1,
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@ -0,0 +1,186 @@
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" MIT License. Copyright (c) 2013-2015 Bailey Ling.
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" vim: et ts=2 sts=2 sw=2
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scriptencoding utf-8
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let s:buffer_idx_mode = get(g:, 'airline#extensions#tabline#buffer_idx_mode', 0)
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let s:spc = g:airline_symbols.space
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let s:current_bufnr = -1
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let s:current_modified = 0
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let s:current_tabline = ''
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let s:current_visible_buffers = []
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let s:number_map = &encoding == 'utf-8'
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\ ? {
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\ '0': '⁰',
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\ '1': '¹',
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\ '2': '²',
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\ '3': '³',
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\ '4': '⁴',
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\ '5': '⁵',
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\ '6': '⁶',
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\ '7': '⁷',
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\ '8': '⁸',
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\ '9': '⁹'
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\ }
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\ : {}
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function! airline#extensions#tabline#buffers#off()
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augroup airline_tabline_buffers
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autocmd!
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augroup END
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endfunction
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function! airline#extensions#tabline#buffers#on()
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augroup airline_tabline_buffers
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autocmd!
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autocmd BufDelete * call airline#extensions#tabline#buffers#invalidate()
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augroup END
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if s:buffer_idx_mode
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call s:define_buffer_idx_mode_mappings()
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endif
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endfunction
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function! airline#extensions#tabline#buffers#invalidate()
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let s:current_bufnr = -1
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endfunction
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function! airline#extensions#tabline#buffers#get()
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let cur = bufnr('%')
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if cur == s:current_bufnr
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if !g:airline_detect_modified || getbufvar(cur, '&modified') == s:current_modified
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return s:current_tabline
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endif
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endif
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let l:index = 1
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let b = airline#extensions#tabline#new_builder()
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let tab_bufs = tabpagebuflist(tabpagenr())
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for nr in s:get_visible_buffers()
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if nr < 0
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call b.add_raw('%#airline_tabhid#...')
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continue
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endif
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if cur == nr
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if g:airline_detect_modified && getbufvar(nr, '&modified')
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let group = 'airline_tabmod'
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else
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let group = 'airline_tabsel'
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endif
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let s:current_modified = (group == 'airline_tabmod') ? 1 : 0
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else
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if g:airline_detect_modified && getbufvar(nr, '&modified')
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let group = 'airline_tabmod_unsel'
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elseif index(tab_bufs, nr) > -1
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let group = 'airline_tab'
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else
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let group = 'airline_tabhid'
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endif
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endif
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if s:buffer_idx_mode
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if len(s:number_map) > 0
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call b.add_section(group, s:spc . get(s:number_map, l:index, '') . '%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)' . s:spc)
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else
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call b.add_section(group, '['.l:index.s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)'.']')
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endif
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let l:index = l:index + 1
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else
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call b.add_section(group, s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)'.s:spc)
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endif
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endfor
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call b.add_section('airline_tabfill', '')
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call b.split()
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call b.add_section('airline_tabfill', '')
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call b.add_section('airline_tabtype', ' buffers ')
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let s:current_bufnr = cur
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let s:current_tabline = b.build()
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return s:current_tabline
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endfunction
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function! s:get_visible_buffers()
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let buffers = airline#extensions#tabline#buflist#list()
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let cur = bufnr('%')
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let total_width = 0
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let max_width = 0
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for nr in buffers
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let width = len(airline#extensions#tabline#get_buffer_name(nr)) + 4
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let total_width += width
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let max_width = max([max_width, width])
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endfor
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" only show current and surrounding buffers if there are too many buffers
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let position = index(buffers, cur)
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let vimwidth = &columns
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if total_width > vimwidth && position > -1
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let buf_count = len(buffers)
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" determine how many buffers to show based on the longest buffer width,
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" use one on the right side and put the rest on the left
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let buf_max = vimwidth / max_width
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let buf_right = 1
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let buf_left = max([0, buf_max - buf_right])
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let start = max([0, position - buf_left])
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let end = min([buf_count, position + buf_right])
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" fill up available space on the right
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if position < buf_left
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let end += (buf_left - position)
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endif
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" fill up available space on the left
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if end > buf_count - 1 - buf_right
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let start -= max([0, buf_right - (buf_count - 1 - position)])
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endif
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let buffers = eval('buffers[' . start . ':' . end . ']')
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if start > 0
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call insert(buffers, -1, 0)
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endif
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if end < buf_count - 1
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call add(buffers, -1)
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endif
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endif
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let s:current_visible_buffers = buffers
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return buffers
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endfunction
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function! s:select_tab(buf_index)
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" no-op when called in the NERDTree buffer
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if exists('t:NERDTreeBufName') && bufname('%') == t:NERDTreeBufName
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return
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endif
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let idx = a:buf_index
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if s:current_visible_buffers[0] == -1
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let idx = idx + 1
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endif
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let buf = get(s:current_visible_buffers, idx, 0)
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if buf != 0
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exec 'b!' . buf
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endif
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endfunction
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function! s:define_buffer_idx_mode_mappings()
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noremap! <unique> <Plug>AirlineSelectTab1 :call <SID>select_tab(0)<CR>
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noremap! <unique> <Plug>AirlineSelectTab2 :call <SID>select_tab(1)<CR>
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noremap! <unique> <Plug>AirlineSelectTab3 :call <SID>select_tab(2)<CR>
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noremap! <unique> <Plug>AirlineSelectTab4 :call <SID>select_tab(3)<CR>
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noremap! <unique> <Plug>AirlineSelectTab5 :call <SID>select_tab(4)<CR>
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noremap! <unique> <Plug>AirlineSelectTab6 :call <SID>select_tab(5)<CR>
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noremap! <unique> <Plug>AirlineSelectTab7 :call <SID>select_tab(6)<CR>
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noremap! <unique> <Plug>AirlineSelectTab8 :call <SID>select_tab(7)<CR>
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noremap! <unique> <Plug>AirlineSelectTab9 :call <SID>select_tab(8)<CR>
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endfunction
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@ -20,10 +20,14 @@ endfunction
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function! airline#extensions#tabline#tabs#on()
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augroup airline_tabline_tabs
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autocmd!
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autocmd BufDelete * let s:current_bufnr = -1
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autocmd BufDelete * call airline#extensions#tabline#tabs#invalidate()
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augroup END
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endfunction
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function! airline#extensions#tabline#tabs#invalidate()
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let s:current_bufnr = -1
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endfunction
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function! airline#extensions#tabline#tabs#get()
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let curbuf = bufnr('%')
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let curtab = tabpagenr()
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