diff options
Diffstat (limited to 'vim/.vim/bundle/vim-airline/autoload/airline/extensions/tabline.vim')
| -rw-r--r-- | vim/.vim/bundle/vim-airline/autoload/airline/extensions/tabline.vim | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/vim/.vim/bundle/vim-airline/autoload/airline/extensions/tabline.vim b/vim/.vim/bundle/vim-airline/autoload/airline/extensions/tabline.vim new file mode 100644 index 0000000..ec75db7 --- /dev/null +++ b/vim/.vim/bundle/vim-airline/autoload/airline/extensions/tabline.vim @@ -0,0 +1,278 @@ +" MIT License. Copyright (c) 2013-2014 Bailey Ling. +" vim: et ts=2 sts=2 sw=2 + +let s:formatter = get(g:, 'airline#extensions#tabline#formatter', 'default') +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) +let s:show_tab_nr = get(g:, 'airline#extensions#tabline#show_tab_nr', 1) +let s:show_tab_type = get(g:, 'airline#extensions#tabline#show_tab_type', 1) +let s:close_symbol = get(g:, 'airline#extensions#tabline#close_symbol', 'X') + +let s:builder_context = { + \ 'active' : 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 s:builder_context.left_sep = get(g:, 'airline#extensions#tabline#left_sep' , "\ue0b0") + let s:builder_context.left_alt_sep = get(g:, 'airline#extensions#tabline#left_alt_sep' , "\ue0b1") +else + let s:builder_context.left_sep = get(g:, 'airline#extensions#tabline#left_sep' , ' ') + let s:builder_context.left_alt_sep = get(g:, 'airline#extensions#tabline#left_alt_sep' , '|') +endif + +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) +let s:spc = g:airline_symbols.space + +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() + autocmd BufDelete * let s:current_bufnr = -1 + + call s:toggle_on() + call a:ext.add_theme_func('airline#extensions#tabline#load_theme') +endfunction + +function! s:toggle_off() + if exists('s:original_tabline') + let &tabline = s:original_tabline + let &showtabline = s:original_showtabline + endif +endfunction + +function! s:toggle_on() + let [ s:original_tabline, s:original_showtabline ] = [ &tabline, &showtabline ] + + set tabline=%!airline#extensions#tabline#get() + if s:buf_min_count <= 0 && s:tab_min_count <= 1 + set showtabline=2 + else + augroup airline_tabline + autocmd! + if s:show_buffers == 1 + autocmd CursorMoved * call <sid>on_cursormove(s:buf_min_count, len(s:get_buffer_list())) + else + autocmd TabEnter * call <sid>on_cursormove(s:tab_min_count, tabpagenr('$')) + endif + augroup END + endif +endfunction + +function! airline#extensions#tabline#load_theme(palette) + let colors = get(a:palette, 'tabline', {}) + let l:tab = get(colors, 'airline_tab', a:palette.normal.airline_b) + let l:tabsel = get(colors, 'airline_tabsel', a:palette.normal.airline_a) + let l:tabtype = get(colors, 'airline_tabtype', a:palette.visual.airline_a) + let l:tabfill = get(colors, 'airline_tabfill', a:palette.normal.airline_c) + let l:tabmod = get(colors, 'airline_tabmod', a:palette.insert.airline_a) + let l:tabhid = get(colors, 'airline_tabhid', a:palette.normal.airline_c) + call airline#highlighter#exec('airline_tab', l:tab) + call airline#highlighter#exec('airline_tabsel', l:tabsel) + call airline#highlighter#exec('airline_tabtype', l:tabtype) + call airline#highlighter#exec('airline_tabfill', l:tabfill) + call airline#highlighter#exec('airline_tabmod', l:tabmod) + call airline#highlighter#exec('airline_tabhid', l:tabhid) +endfunction + +function! s:on_cursormove(min_count, total_count) + if a:total_count >= a:min_count + if &showtabline != 2 + set showtabline=2 + endif + else + if &showtabline != 0 + set showtabline=0 + endif + endif +endfunction + +function! airline#extensions#tabline#get() + if s:show_buffers && tabpagenr('$') == 1 + return s:get_buffers() + else + return s:get_tabs() + endif +endfunction + +function! airline#extensions#tabline#title(n) + let buflist = tabpagebuflist(a:n) + let winnr = tabpagewinnr(a:n) + return airline#extensions#tabline#get_buffer_name(buflist[winnr - 1]) +endfunction + +function! airline#extensions#tabline#get_buffer_name(nr) + return airline#extensions#tabline#{s:formatter}#format(a:nr, get(s:, 'current_buffer_list', s:get_buffer_list())) +endfunction + +function! s:get_buffer_list() + let buffers = [] + 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 + + let s:current_buffer_list = buffers + return buffers +endfunction + +function! s:get_visible_buffers() + let buffers = s:get_buffer_list() + let cur = bufnr('%') + + let total_width = 0 + let max_width = 0 + + for nr in buffers + let width = len(airline#extensions#tabline#get_buffer_name(nr)) + 4 + let total_width += width + let max_width = max([max_width, width]) + endfor + + " only show current and surrounding buffers if there are too many buffers + let position = index(buffers, cur) + let vimwidth = &columns + if total_width > vimwidth && position > -1 + let buf_count = len(buffers) + + " determine how many buffers to show based on the longest buffer width, + " use one on the right side and put the rest on the left + let buf_max = vimwidth / max_width + let buf_right = 1 + let buf_left = max([0, buf_max - buf_right]) + + let start = max([0, position - buf_left]) + let end = min([buf_count, position + buf_right]) + + " fill up available space on the right + if position < buf_left + let end += (buf_left - position) + endif + + " fill up available space on the left + if end > buf_count - 1 - buf_right + let start -= max([0, buf_right - (buf_count - 1 - position)]) + endif + + let buffers = eval('buffers[' . start . ':' . end . ']') + + if start > 0 + call insert(buffers, -1, 0) + endif + + if end < buf_count - 1 + call add(buffers, -1) + endif + endif + + return buffers +endfunction + +let s:current_bufnr = -1 +let s:current_tabnr = -1 +let s:current_tabline = '' +let s:current_modified = 0 +function! s:get_buffers() + let cur = bufnr('%') + if cur == s:current_bufnr + if !g:airline_detect_modified || getbufvar(cur, '&modified') == s:current_modified + return s:current_tabline + endif + endif + + let b = airline#builder#new(s:builder_context) + let tab_bufs = tabpagebuflist(tabpagenr()) + for nr in s:get_visible_buffers() + 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 + let s:current_modified = (group == 'airline_tabmod') ? 1 : 0 + else + if index(tab_bufs, nr) > -1 + let group = 'airline_tab' + else + let group = 'airline_tabhid' + endif + endif + call b.add_section(group, s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.nr.')}%)'.s:spc) + endfor + + call b.add_section('airline_tabfill', '') + call b.split() + call b.add_section('airline_tabtype', ' buffers ') + + let s:current_bufnr = cur + let s:current_tabline = b.build() + return s:current_tabline +endfunction + +function! s:get_tabs() + let curbuf = bufnr('%') + let curtab = tabpagenr() + if curbuf == s:current_bufnr && curtab == s:current_tabnr + if !g:airline_detect_modified || getbufvar(curbuf, '&modified') == s:current_modified + return s:current_tabline + endif + endif + + let b = airline#builder#new(s:builder_context) + for i in range(1, tabpagenr('$')) + if i == curtab + 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 + let s:current_modified = (group == 'airline_tabmod') ? 1 : 0 + else + let group = 'airline_tab' + endif + let val = '%(' + if s:show_tab_nr + if s:tab_nr_type == 0 + let val .= ' %{len(tabpagebuflist('.i.'))}' + else + let val .= (g:airline_symbols.space).i + endif + endif + call b.add_section(group, val.'%'.i.'T %{airline#extensions#tabline#title('.i.')} %)') + endfor + + call b.add_raw('%T') + call b.add_section('airline_tabfill', '') + call b.split() + call b.add_section('airline_tab', ' %999X'.s:close_symbol.' ') + if s:show_tab_type + call b.add_section('airline_tabtype', ' tabs ') + endif + + let s:current_bufnr = curbuf + let s:current_tabnr = curtab + let s:current_tabline = b.build() + return s:current_tabline +endfunction |