396 lines
13 KiB
VimL
396 lines
13 KiB
VimL
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" xTabline - Reduced version for vim-airline
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" Copyright (C) 2018 Gianmaria Bajo <mg1979.git@gmail.com>
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" License: MIT License
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#init()
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let s:state = 0
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" initialize mappings
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call airline#extensions#tabline#xtabline#maps()
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" Variables
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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let g:loaded_xtabline = 1
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let s:most_recent = -1
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let s:xtabline_filtering = 1
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let t:xtl_excluded = get(g:, 'airline#extensions#tabline#exclude_buffers', [])
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let t:xtl_accepted = []
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let g:xtabline_include_previews = get(g:, 'xtabline_include_previews', 1)
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let g:xtabline_alt_action = get(g:, 'xtabline_alt_action', "buffer #")
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" Autocommands
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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augroup plugin-xtabline
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autocmd!
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autocmd TabNew * call s:Do('new')
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autocmd TabEnter * call s:Do('enter')
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autocmd TabLeave * call s:Do('leave')
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autocmd TabClosed * call s:Do('close')
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autocmd BufEnter * let g:xtabline_changing_buffer = 0
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autocmd BufAdd,BufDelete,BufWrite * call airline#extensions#tabline#xtabline#filter_buffers()
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augroup END
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" Commands
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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com! XTabReopen call airline#extensions#tabline#xtabline#reopen_last_tab()
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" Mappings
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#maps()
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if !exists('g:xtabline_disable_keybindings')
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fun! s:mapkeys(keys, plug)
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if empty(mapcheck(a:keys)) && !hasmapto(a:plug)
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silent! execute 'nmap <unique> '.a:keys.' '.a:plug
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endif
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endfun
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call s:mapkeys('<F5>','<Plug>XTablineToggleTabs')
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call s:mapkeys('<leader><F5>','<Plug>XTablineToggleFiltering')
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call s:mapkeys('<BS>','<Plug>XTablineSelectBuffer')
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call s:mapkeys(']l','<Plug>XTablineNextBuffer')
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call s:mapkeys('[l','<Plug>XTablinePrevBuffer')
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call s:mapkeys('<leader>tr','<Plug>XTablineReopen')
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endif
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nnoremap <unique> <script> <Plug>XTablineToggleTabs <SID>ToggleTabs
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nnoremap <silent> <SID>ToggleTabs :call airline#extensions#tabline#xtabline#toggle_tabs()<cr>
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nnoremap <unique> <script> <Plug>XTablineToggleFiltering <SID>ToggleFiltering
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nnoremap <silent> <SID>ToggleFiltering :call airline#extensions#tabline#xtabline#toggle_buffers()<cr>
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nnoremap <unique> <script> <Plug>XTablineSelectBuffer <SID>SelectBuffer
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nnoremap <silent> <expr> <SID>SelectBuffer g:xtabline_changing_buffer ? "\<C-c>" : ":<C-u>call airline#extensions#tabline#xtabline#select_buffer(v:count)\<cr>"
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nnoremap <unique> <script> <Plug>XTablineNextBuffer <SID>NextBuffer
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nnoremap <silent> <expr> <SID>NextBuffer airline#extensions#tabline#xtabline#next_buffer(v:count1)
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nnoremap <unique> <script> <Plug>XTablinePrevBuffer <SID>PrevBuffer
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nnoremap <silent> <expr> <SID>PrevBuffer airline#extensions#tabline#xtabline#prev_buffer(v:count1)
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nnoremap <unique> <script> <Plug>XTablineReopen <SID>ReopenLastTab
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nnoremap <silent> <SID>ReopenLastTab :XTabReopen<cr>
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if get(g:, 'xtabline_cd_commands', 0)
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map <unique> <leader>cdc <Plug>XTablineCdCurrent
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map <unique> <leader>cdd <Plug>XTablineCdDown1
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map <unique> <leader>cd2 <Plug>XTablineCdDown2
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map <unique> <leader>cd3 <Plug>XTablineCdDown3
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map <unique> <leader>cdh <Plug>XTablineCdHome
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nnoremap <unique> <script> <Plug>XTablineCdCurrent :cd %:p:h<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
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nnoremap <unique> <script> <Plug>XTablineCdDown1 :cd %:p:h:h<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
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nnoremap <unique> <script> <Plug>XTablineCdDown2 :cd %:p:h:h:h<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
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nnoremap <unique> <script> <Plug>XTablineCdDown3 :cd %:p:h:h:h:h<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
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nnoremap <unique> <script> <Plug>XTablineCdHome :cd ~<cr>:call airline#util#doautocmd('BufAdd')<cr>:pwd<cr>
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endif
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" Commands functions
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#toggle_tabs()
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"""Toggle between tabs/buffers tabline."""
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if tabpagenr("$") == 1 | echo "There is only one tab." | return | endif
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if g:airline#extensions#tabline#show_tabs
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let g:airline#extensions#tabline#show_tabs = 0
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echo "Showing buffers"
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else
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let g:airline#extensions#tabline#show_tabs = 1
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echo "Showing tabs"
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endif
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doautocmd BufAdd
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#toggle_buffers()
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"""Toggle buffer filtering in the tabline."""
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if s:xtabline_filtering
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let s:xtabline_filtering = 0
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let g:airline#extensions#tabline#exclude_buffers = []
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echo "Buffer filtering turned off"
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doautocmd BufAdd
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else
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let s:xtabline_filtering = 1
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call airline#extensions#tabline#xtabline#filter_buffers()
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echo "Buffer filtering turned on"
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doautocmd BufAdd
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endif
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#reopen_last_tab()
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"""Reopen the last closed tab."""
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if !exists('s:most_recently_closed_tab')
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echo "No recent tabs." | return | endif
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let tab = s:most_recently_closed_tab
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tabnew
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let empty = bufnr("%")
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let t:cwd = tab['cwd']
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cd `=t:cwd`
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let t:name = tab['name']
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for buf in tab['buffers'] | execute "badd ".buf | endfor
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execute "edit ".tab['buffers'][0]
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execute "bdelete ".empty
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#filter_buffers()
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"""Filter buffers so that only the ones within the tab's cwd will show up.
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" 'accepted' is a list of buffer numbers, for quick access.
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" 'excluded' is a list of buffer numbers, it will be used by Airline to hide buffers.
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if !s:xtabline_filtering | return | endif
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let g:airline#extensions#tabline#exclude_buffers = []
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let t:xtl_excluded = g:airline#extensions#tabline#exclude_buffers
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let t:xtl_accepted = [] | let accepted = t:xtl_accepted
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let previews = g:xtabline_include_previews
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" bufnr(0) is the alternate buffer
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for buf in range(1, bufnr("$"))
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if !buflisted(buf) | continue | endif
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" get the path
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let path = expand("#".buf.":p")
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" confront with the cwd
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if !previews && path =~ "^".getcwd()
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call add(accepted, buf)
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elseif previews && path =~ getcwd()
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call add(accepted, buf)
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else
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call add(t:xtl_excluded, buf)
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endif
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endfor
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call s:RefreshTabline()
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#next_buffer(nr)
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"""Switch to next visible buffer."""
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if ( s:NotEnoughBuffers() || !s:xtabline_filtering ) | return | endif
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let accepted = t:xtl_accepted
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let ix = index(accepted, bufnr("%"))
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let target = ix + a:nr
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let total = len(accepted)
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if ix == -1
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" not in index, go back to most recent or back to first
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if s:most_recent == -1 || s:most_recent >= total
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let s:most_recent = 0
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endif
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elseif target >= total
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" over last buffer
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while target >= total | let target -= total | endwhile
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let s:most_recent = target
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else
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let s:most_recent = target
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endif
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return ":buffer " . accepted[s:most_recent] . "\<cr>"
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#prev_buffer(nr)
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"""Switch to previous visible buffer."""
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if ( s:NotEnoughBuffers() || !s:xtabline_filtering ) | return | endif
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let accepted = t:xtl_accepted
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let ix = index(accepted, bufnr("%"))
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let target = ix - a:nr
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let total = len(accepted)
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if ix == -1
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" not in index, go back to most recent or back to first
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if s:most_recent == -1 || s:most_recent >= total
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let s:most_recent = 0
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endif
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elseif target < 0
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" before first buffer
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while target < 0 | let target += total | endwhile
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let s:most_recent = target
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else
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let s:most_recent = target
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endif
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return ":buffer " . accepted[s:most_recent] . "\<cr>"
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#select_buffer(nr)
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"""Switch to visible buffer in the tabline with [count]."""
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if ( a:nr == 0 || !s:xtabline_filtering ) | execute g:xtabline_alt_action | return | endif
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let accepted = t:xtl_accepted
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if (a:nr > len(accepted)) || s:NotEnoughBuffers() || accepted[a:nr - 1] == bufnr("%")
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return
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else
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let g:xtabline_changing_buffer = 1
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execute "buffer ".accepted[a:nr - 1]
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endif
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! s:TabBuffers()
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"""Return a list of buffers names for this tab."""
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return map(copy(t:xtl_accepted), 'bufname(v:val)')
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" Helper functions
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! s:NotEnoughBuffers()
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"""Just return if there aren't enough buffers."""
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if len(t:xtl_accepted) < 2
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if index(t:xtl_accepted, bufnr("%")) == -1
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return
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elseif !len(t:xtl_accepted)
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echo "No available buffers for this tab."
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else
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echo "No other available buffers for this tab."
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endif
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return 1
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endif
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endfunction
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function! s:RefreshTabline()
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call airline#extensions#tabline#buflist#invalidate()
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" TabPageCd
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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" tabpagecd - Turn :cd into :tabpagecd, to use one tab page per project
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" expanded version by mg979
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" Copyright (C) 2012-2013 Kana Natsuno <http://whileimautomaton.net/>
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" Copyright (C) 2018 Gianmaria Bajo <mg1979.git@gmail.com>
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" License: MIT License
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! s:InitCwds()
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if !exists('g:xtab_cwds') | let g:xtab_cwds = [] | endif
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while len(g:xtab_cwds) < tabpagenr("$")
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call add(g:xtab_cwds, getcwd())
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endwhile
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let s:state = 1
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let t:cwd = getcwd()
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let s:last_tab = 0
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call airline#extensions#tabline#xtabline#filter_buffers()
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! airline#extensions#tabline#xtabline#update_obsession()
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let string = 'let g:xtab_cwds = '.string(g:xtab_cwds).' | call airline#extensions#tabline#xtabline#update_obsession()'
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if !exists('g:obsession_append')
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let g:obsession_append = [string]
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else
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call filter(g:obsession_append, 'v:val !~# "^let g:xtab_cwds"')
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call add(g:obsession_append, string)
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endif
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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function! s:Do(action)
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let arg = a:action
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if !s:state | call s:InitCwds() | return | endif
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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if arg == 'new'
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call insert(g:xtab_cwds, getcwd(), tabpagenr()-1)
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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elseif arg == 'enter'
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let t:cwd =g:xtab_cwds[tabpagenr()-1]
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cd `=t:cwd`
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call airline#extensions#tabline#xtabline#filter_buffers()
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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elseif arg == 'leave'
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let t:cwd = getcwd()
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let g:xtab_cwds[tabpagenr()-1] = t:cwd
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let s:last_tab = tabpagenr() - 1
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if !exists('t:name') | let t:name = t:cwd | endif
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let s:most_recent_tab = {'cwd': t:cwd, 'name': t:name, 'buffers': s:TabBuffers()}
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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elseif arg == 'close'
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let s:most_recently_closed_tab = copy(s:most_recent_tab)
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call remove(g:xtab_cwds, s:last_tab)
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endif
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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call airline#extensions#tabline#xtabline#update_obsession()
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endfunction
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""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
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