db6bf458fb
Before setting showtabline option, make sure, there is enough room fixes #863
54 lines
1.7 KiB
VimL
54 lines
1.7 KiB
VimL
" MIT License. Copyright (c) 2013-2016 Bailey Ling.
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" vim: et ts=2 sts=2 sw=2
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let s:show_buffers = get(g:, 'airline#extensions#tabline#show_buffers', 1)
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let s:buf_min_count = get(g:, 'airline#extensions#tabline#buffer_min_count', 0)
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let s:tab_min_count = get(g:, 'airline#extensions#tabline#tab_min_count', 0)
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function! airline#extensions#tabline#autoshow#off()
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if exists('s:original_tabline')
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let &tabline = s:original_tabline
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let &showtabline = s:original_showtabline
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endif
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augroup airline_tabline_autoshow
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autocmd!
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augroup END
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endfunction
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function! airline#extensions#tabline#autoshow#on()
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let [ s:original_tabline, s:original_showtabline ] = [ &tabline, &showtabline ]
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augroup airline_tabline_autoshow
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autocmd!
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if s:buf_min_count <= 0 && s:tab_min_count <= 1
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if &lines > 3
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set showtabline=2
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endif
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else
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if s:show_buffers == 1
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autocmd BufEnter * call <sid>show_tabline(s:buf_min_count, len(airline#extensions#tabline#buflist#list()))
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autocmd BufUnload * call <sid>show_tabline(s:buf_min_count, len(airline#extensions#tabline#buflist#list()) - 1)
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else
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autocmd TabEnter * call <sid>show_tabline(s:tab_min_count, tabpagenr('$'))
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endif
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endif
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" Invalidate cache. This has to come after the BufUnload for
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" s:show_buffers, to invalidate the cache for BufEnter.
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autocmd BufLeave,BufAdd,BufUnload * call airline#extensions#tabline#buflist#invalidate()
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augroup END
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endfunction
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function! s:show_tabline(min_count, total_count)
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if a:total_count >= a:min_count
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if &showtabline != 2 && &lines > 3
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set showtabline=2
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endif
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else
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if &showtabline != 0
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set showtabline=0
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endif
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endif
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endfunction
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