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Diffstat (limited to 'dotfiles/.vim/autoload/airline/extensions/tabline/buffers.vim')
| -rw-r--r-- | dotfiles/.vim/autoload/airline/extensions/tabline/buffers.vim | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/dotfiles/.vim/autoload/airline/extensions/tabline/buffers.vim b/dotfiles/.vim/autoload/airline/extensions/tabline/buffers.vim new file mode 100644 index 0000000..88ebe5c --- /dev/null +++ b/dotfiles/.vim/autoload/airline/extensions/tabline/buffers.vim @@ -0,0 +1,246 @@ +" MIT License. Copyright (c) 2013-2018 Bailey Ling et al. +" vim: et ts=2 sts=2 sw=2 + +scriptencoding utf-8 + +let s:spc = g:airline_symbols.space + +let s:current_bufnr = -1 +let s:current_modified = 0 +let s:current_tabline = '' +let s:current_visible_buffers = [] + +let s:number_map = { + \ '0': '⁰', + \ '1': '¹', + \ '2': '²', + \ '3': '³', + \ '4': '⁴', + \ '5': '⁵', + \ '6': '⁶', + \ '7': '⁷', + \ '8': '⁸', + \ '9': '⁹' + \ } +let s:number_map = &encoding == 'utf-8' + \ ? get(g:, 'airline#extensions#tabline#buffer_idx_format', s:number_map) + \ : {} + +function! airline#extensions#tabline#buffers#off() + augroup airline_tabline_buffers + autocmd! + augroup END +endfunction + +function! airline#extensions#tabline#buffers#on() + augroup airline_tabline_buffers + autocmd! + autocmd BufDelete * call airline#extensions#tabline#buflist#clean() + autocmd User BufMRUChange call airline#extensions#tabline#buflist#clean() + augroup END +endfunction + +function! airline#extensions#tabline#buffers#invalidate() + let s:current_bufnr = -1 +endfunction + +function! airline#extensions#tabline#buffers#get() + try + call <sid>map_keys() + catch + " no-op + endtry + let cur = bufnr('%') + if cur == s:current_bufnr && &columns == s:column_width + if !g:airline_detect_modified || getbufvar(cur, '&modified') == s:current_modified + return s:current_tabline + endif + endif + + let b = airline#extensions#tabline#new_builder() + let tab_bufs = tabpagebuflist(tabpagenr()) + let show_buf_label_first = 0 + + if get(g:, 'airline#extensions#tabline#buf_label_first', 0) + let show_buf_label_first = 1 + endif + if show_buf_label_first + call airline#extensions#tabline#add_label(b, 'buffers') + endif + + let b.tab_bufs = tabpagebuflist(tabpagenr()) + + let b.overflow_group = 'airline_tabhid' + let b.buffers = airline#extensions#tabline#buflist#list() + if get(g:, 'airline#extensions#tabline#current_first', 0) + if index(b.buffers, cur) > -1 + call remove(b.buffers, index(b.buffers, cur)) + endif + let b.buffers = [cur] + b.buffers + endif + + function! b.get_group(i) dict + let bufnum = get(self.buffers, a:i, -1) + if bufnum == -1 + return '' + endif + let group = airline#extensions#tabline#group_of_bufnr(self.tab_bufs, bufnum) + if bufnum == bufnr('%') + let s:current_modified = (group == 'airline_tabmod') ? 1 : 0 + endif + return group + endfunction + + if has("tablineat") + function! b.get_pretitle(i) dict + let bufnum = get(self.buffers, a:i, -1) + return '%'.bufnum.'@airline#extensions#tabline#buffers#clickbuf@' + endfunction + + function! b.get_posttitle(i) dict + return '%X' + endfunction + endif + + function! b.get_title(i) dict + let bufnum = get(self.buffers, a:i, -1) + let group = self.get_group(a:i) + let pgroup = self.get_group(a:i - 1) + " always add a space when powerline_fonts are used + " or for the very first item + if get(g:, 'airline_powerline_fonts', 0) || a:i == 0 + let space = s:spc + else + let space= (pgroup == group ? s:spc : '') + endif + + if get(g:, 'airline#extensions#tabline#buffer_idx_mode', 0) + if len(s:number_map) > 0 + return space. get(s:number_map, a:i+1, '') . '%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)' . s:spc + else + return '['.(a:i+1).s:spc.'%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)'.']' + endif + else + return space.'%(%{airline#extensions#tabline#get_buffer_name('.bufnum.')}%)'.s:spc + endif + endfunction + + let current_buffer = max([index(b.buffers, cur), 0]) + let last_buffer = len(b.buffers) - 1 + call b.insert_titles(current_buffer, 0, last_buffer) + + call b.add_section('airline_tabfill', '') + call b.split() + call b.add_section('airline_tabfill', '') + if !show_buf_label_first + call airline#extensions#tabline#add_label(b, 'buffers') + endif + + if tabpagenr('$') > 1 + call b.add_section_spaced('airline_tabmod', printf('%s %d/%d', "tab", tabpagenr(), tabpagenr('$'))) + endif + + let s:current_bufnr = cur + let s:column_width = &columns + let s:current_tabline = b.build() + let s:current_visible_buffers = copy(b.buffers) + if b._right_title <= last_buffer + call remove(s:current_visible_buffers, b._right_title, last_buffer) + endif + if b._left_title > 0 + call remove(s:current_visible_buffers, 0, b._left_title) + endif + return s:current_tabline +endfunction + +function! s:select_tab(buf_index) + " no-op when called in 'keymap_ignored_filetypes' + if count(get(g:, 'airline#extensions#tabline#keymap_ignored_filetypes', + \ ['vimfiler', 'nerdtree']), &ft) + return + endif + + let idx = a:buf_index + if s:current_visible_buffers[0] == -1 + let idx = idx + 1 + endif + + let buf = get(s:current_visible_buffers, idx, 0) + if buf != 0 + exec 'b!' . buf + endif +endfunction + +function! s:jump_to_tab(offset) + let l = airline#extensions#tabline#buflist#list() + let i = index(l, bufnr('%')) + if i > -1 + exec 'b!' . l[(i + a:offset) % len(l)] + endif +endfunction + +function! s:map_keys() + if get(g:, 'airline#extensions#tabline#buffer_idx_mode', 1) + noremap <silent> <Plug>AirlineSelectTab1 :call <SID>select_tab(0)<CR> + noremap <silent> <Plug>AirlineSelectTab2 :call <SID>select_tab(1)<CR> + noremap <silent> <Plug>AirlineSelectTab3 :call <SID>select_tab(2)<CR> + noremap <silent> <Plug>AirlineSelectTab4 :call <SID>select_tab(3)<CR> + noremap <silent> <Plug>AirlineSelectTab5 :call <SID>select_tab(4)<CR> + noremap <silent> <Plug>AirlineSelectTab6 :call <SID>select_tab(5)<CR> + noremap <silent> <Plug>AirlineSelectTab7 :call <SID>select_tab(6)<CR> + noremap <silent> <Plug>AirlineSelectTab8 :call <SID>select_tab(7)<CR> + noremap <silent> <Plug>AirlineSelectTab9 :call <SID>select_tab(8)<CR> + noremap <silent> <Plug>AirlineSelectPrevTab :<C-u>call <SID>jump_to_tab(-v:count1)<CR> + noremap <silent> <Plug>AirlineSelectNextTab :<C-u>call <SID>jump_to_tab(v:count1)<CR> + endif +endfunction + +function! airline#extensions#tabline#buffers#clickbuf(minwid, clicks, button, modifiers) abort + " Clickable buffers + " works only in recent NeoVim with has('tablineat') + + " single mouse button click without modifiers pressed + if a:clicks == 1 && a:modifiers !~# '[^ ]' + if a:button is# 'l' + " left button - switch to buffer + silent execute 'buffer' a:minwid + elseif a:button is# 'm' + " middle button - delete buffer + + if get(g:, 'airline#extensions#tabline#middle_click_preserves_windows', 0) == 0 || winnr('$') == 1 + " just simply delete the clicked buffer. This will cause windows + " associated with the clicked buffer to be closed. + silent execute 'bdelete' a:minwid + else + " find windows displaying the clicked buffer and open an new + " buffer in them. + let current_window = bufwinnr("%") + let window_number = bufwinnr(a:minwid) + let last_window_visited = -1 + + " Set to 1 if the clicked buffer was open in any windows. + let buffer_in_window = 0 + + " Find the next window with the clicked buffer open. If bufwinnr() + " returns the same window number, this is because we clicked a new + " buffer, and then tried editing a new buffer. Vim won't create a + " new empty buffer for the same window, so we get the same window + " number from bufwinnr(). In this case we just give up and don't + " delete the buffer. + " This could be made cleaner if we could check if the clicked buffer + " is a new buffer, but I don't know if there is a way to do that. + while window_number != -1 && window_number != last_window_visited + let buffer_in_window = 1 + silent execute window_number . 'wincmd w' + silent execute 'enew' + let last_window_visited = window_number + let window_number = bufwinnr(a:minwid) + endwhile + silent execute current_window . 'wincmd w' + if window_number != last_window_visited || buffer_in_window == 0 + silent execute 'bdelete' a:minwid + endif + endif + endif + endif +endfunction |