448 lines
12 KiB
VimL
448 lines
12 KiB
VimL
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" Copyright (c) 2015 Junegunn Choi
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"
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" MIT License
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"
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" Permission is hereby granted, free of charge, to any person obtaining
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" a copy of this software and associated documentation files (the
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" "Software"), to deal in the Software without restriction, including
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" without limitation the rights to use, copy, modify, merge, publish,
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" distribute, sublicense, and/or sell copies of the Software, and to
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" permit persons to whom the Software is furnished to do so, subject to
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" the following conditions:
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"
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" The above copyright notice and this permission notice shall be
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" included in all copies or substantial portions of the Software.
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"
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" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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" NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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" LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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" OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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" WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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let s:cpo_save = &cpo
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set cpo&vim
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function! s:const(val, min, max)
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return min([max([a:val, a:min]), a:max])
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endfunction
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function! s:get_color(group, attr)
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return synIDattr(synIDtrans(hlID(a:group)), a:attr)
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endfunction
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function! s:set_color(group, attr, color)
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let gui = a:color =~ '^#'
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execute printf('hi %s %s%s=%s', a:group, gui ? 'gui' : 'cterm', a:attr, a:color)
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endfunction
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function! s:blank(repel)
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if bufwinnr(t:goyo_pads.r) <= bufwinnr(t:goyo_pads.l) + 1
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\ || bufwinnr(t:goyo_pads.b) <= bufwinnr(t:goyo_pads.t) + 3
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call s:goyo_off()
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endif
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execute 'wincmd' a:repel
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endfunction
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function! s:init_pad(command)
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execute a:command
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setlocal buftype=nofile bufhidden=wipe nomodifiable nobuflisted noswapfile
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\ nonu nocursorline nocursorcolumn winfixwidth winfixheight statusline=\
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if exists('&rnu')
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setlocal nornu
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endif
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if exists('&colorcolumn')
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setlocal colorcolumn=
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endif
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let bufnr = winbufnr(0)
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execute winnr('#') . 'wincmd w'
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return bufnr
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endfunction
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function! s:setup_pad(bufnr, vert, size, repel)
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let win = bufwinnr(a:bufnr)
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execute win . 'wincmd w'
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execute (a:vert ? 'vertical ' : '') . 'resize ' . max([0, a:size])
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augroup goyop
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execute 'autocmd WinEnter,CursorMoved <buffer> nested call s:blank("'.a:repel.'")'
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autocmd WinLeave <buffer> call s:hide_statusline()
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augroup END
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" To hide scrollbars of pad windows in GVim
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let diff = winheight(0) - line('$') - (has('gui_running') ? 2 : 0)
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if diff > 0
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setlocal modifiable
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call append(0, map(range(1, diff), '""'))
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normal! gg
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setlocal nomodifiable
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endif
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execute winnr('#') . 'wincmd w'
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endfunction
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function! s:resize_pads()
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augroup goyop
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autocmd!
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augroup END
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let t:goyo_dim.width = s:const(t:goyo_dim.width, 2, &columns)
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let t:goyo_dim.height = s:const(t:goyo_dim.height, 2, &lines)
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let vmargin = max([0, (&lines - t:goyo_dim.height) / 2 - 1])
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let yoff = s:const(t:goyo_dim.yoff, - vmargin, vmargin)
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let top = vmargin + yoff
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let bot = vmargin - yoff - 1
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call s:setup_pad(t:goyo_pads.t, 0, top, 'j')
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call s:setup_pad(t:goyo_pads.b, 0, bot, 'k')
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let nwidth = max([len(string(line('$'))) + 1, &numberwidth])
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let width = t:goyo_dim.width + (&number ? nwidth : 0)
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let hmargin = max([0, (&columns - width) / 2 - 1])
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let xoff = s:const(t:goyo_dim.xoff, - hmargin, hmargin)
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call s:setup_pad(t:goyo_pads.l, 1, hmargin + xoff, 'l')
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call s:setup_pad(t:goyo_pads.r, 1, hmargin - xoff, 'h')
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endfunction
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function! s:tranquilize()
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let bg = s:get_color('Normal', 'bg#')
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for grp in ['NonText', 'FoldColumn', 'ColorColumn', 'VertSplit',
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\ 'StatusLine', 'StatusLineNC', 'SignColumn']
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" -1 on Vim / '' on GVim
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if bg == -1 || empty(bg)
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call s:set_color(grp, 'fg', get(g:, 'goyo_bg', 'black'))
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call s:set_color(grp, 'bg', 'NONE')
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else
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call s:set_color(grp, 'fg', bg)
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call s:set_color(grp, 'bg', bg)
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endif
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call s:set_color(grp, '', 'NONE')
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endfor
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endfunction
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function! s:hide_statusline()
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setlocal statusline=\
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endfunction
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function! s:hide_linenr()
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if !get(g:, 'goyo_linenr', 0)
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setlocal nonu
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if exists('&rnu')
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setlocal nornu
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endif
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endif
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if exists('&colorcolumn')
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setlocal colorcolumn=
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endif
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endfunction
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function! s:maps_nop()
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let mapped = filter(['R', 'H', 'J', 'K', 'L', '|', '_'],
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\ "empty(maparg(\"\<c-w>\".v:val, 'n'))")
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for c in mapped
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execute 'nnoremap <c-w>'.escape(c, '|').' <nop>'
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endfor
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return mapped
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endfunction
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function! s:maps_resize()
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let commands = {
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\ '=': ':<c-u>let t:goyo_dim = <sid>parse_arg(t:goyo_dim_expr) <bar> call <sid>resize_pads()<cr>',
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\ '>': ':<c-u>let t:goyo_dim.width = winwidth(0) + 2 * v:count1 <bar> call <sid>resize_pads()<cr>',
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\ '<': ':<c-u>let t:goyo_dim.width = winwidth(0) - 2 * v:count1 <bar> call <sid>resize_pads()<cr>',
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\ '+': ':<c-u>let t:goyo_dim.height += 2 * v:count1 <bar> call <sid>resize_pads()<cr>',
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\ '-': ':<c-u>let t:goyo_dim.height -= 2 * v:count1 <bar> call <sid>resize_pads()<cr>'
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\ }
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let mapped = filter(keys(commands), "empty(maparg(\"\<c-w>\".v:val, 'n'))")
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for c in mapped
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execute 'nnoremap <silent> <c-w>'.c.' '.commands[c]
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endfor
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return mapped
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endfunction
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nnoremap <silent> <plug>(goyo-resize) :<c-u>call <sid>resize_pads()<cr>
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function! s:goyo_on(dim)
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let dim = s:parse_arg(a:dim)
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if empty(dim)
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return
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endif
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let s:orig_tab = tabpagenr()
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let settings =
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\ { 'laststatus': &laststatus,
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\ 'showtabline': &showtabline,
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\ 'fillchars': &fillchars,
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\ 'winminwidth': &winminwidth,
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\ 'winwidth': &winwidth,
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\ 'winminheight': &winminheight,
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\ 'winheight': &winheight,
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\ 'ruler': &ruler,
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\ 'sidescroll': &sidescroll,
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\ 'sidescrolloff': &sidescrolloff
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\ }
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" New tab
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tab split
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let t:goyo_master = winbufnr(0)
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let t:goyo_dim = dim
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let t:goyo_dim_expr = a:dim
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let t:goyo_pads = {}
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let t:goyo_revert = settings
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let t:goyo_maps = extend(s:maps_nop(), s:maps_resize())
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if has('gui_running')
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let t:goyo_revert.guioptions = &guioptions
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endif
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" vim-gitgutter
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let t:goyo_disabled_gitgutter = get(g:, 'gitgutter_enabled', 0)
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if t:goyo_disabled_gitgutter
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silent! GitGutterDisable
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endif
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" vim-signify
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let t:goyo_disabled_signify = exists('b:sy') && b:sy.active
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if t:goyo_disabled_signify
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SignifyToggle
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endif
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" vim-airline
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let t:goyo_disabled_airline = exists('#airline')
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if t:goyo_disabled_airline
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AirlineToggle
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endif
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" vim-powerline
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let t:goyo_disabled_powerline = exists('#PowerlineMain')
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if t:goyo_disabled_powerline
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augroup PowerlineMain
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autocmd!
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augroup END
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augroup! PowerlineMain
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endif
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" lightline.vim
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let t:goyo_disabled_lightline = exists('#lightline')
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if t:goyo_disabled_lightline
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silent! call lightline#disable()
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endif
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call s:hide_linenr()
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" Global options
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let &winheight = max([&winminheight, 1])
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set winminheight=1
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set winheight=1
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set winminwidth=1 winwidth=1
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set laststatus=0
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set showtabline=0
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set noruler
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set fillchars+=vert:\
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set fillchars+=stl:\
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set fillchars+=stlnc:\
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set sidescroll=1
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set sidescrolloff=0
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" Hide left-hand scrollbars
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if has('gui_running')
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set guioptions-=l
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set guioptions-=L
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endif
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let t:goyo_pads.l = s:init_pad('vertical topleft new')
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let t:goyo_pads.r = s:init_pad('vertical botright new')
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let t:goyo_pads.t = s:init_pad('topleft new')
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let t:goyo_pads.b = s:init_pad('botright new')
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call s:resize_pads()
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call s:tranquilize()
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augroup goyo
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autocmd!
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autocmd TabLeave * call s:goyo_off()
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autocmd VimResized * call s:resize_pads()
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autocmd ColorScheme * call s:tranquilize()
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autocmd BufWinEnter * call s:hide_linenr() | call s:hide_statusline()
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autocmd WinEnter,WinLeave * call s:hide_statusline()
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if has('nvim')
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autocmd TermClose * call feedkeys("\<plug>(goyo-resize)")
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endif
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augroup END
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call s:hide_statusline()
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if exists('g:goyo_callbacks[0]')
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call g:goyo_callbacks[0]()
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endif
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if exists('#User#GoyoEnter')
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doautocmd User GoyoEnter
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endif
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endfunction
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function! s:goyo_off()
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if !exists('#goyo')
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return
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endif
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" Oops, not this tab
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if !exists('t:goyo_revert')
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return
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endif
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" Clear auto commands
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augroup goyo
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autocmd!
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augroup END
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augroup! goyo
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augroup goyop
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autocmd!
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augroup END
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augroup! goyop
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for c in t:goyo_maps
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execute 'nunmap <c-w>'.escape(c, '|')
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endfor
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let goyo_revert = t:goyo_revert
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let goyo_disabled_gitgutter = t:goyo_disabled_gitgutter
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let goyo_disabled_signify = t:goyo_disabled_signify
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let goyo_disabled_airline = t:goyo_disabled_airline
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let goyo_disabled_powerline = t:goyo_disabled_powerline
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let goyo_disabled_lightline = t:goyo_disabled_lightline
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let goyo_orig_buffer = t:goyo_master
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let [line, col] = [line('.'), col('.')]
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if tabpagenr() == 1
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tabnew
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normal! gt
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bd
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endif
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tabclose
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execute 'normal! '.s:orig_tab.'gt'
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if winbufnr(0) == goyo_orig_buffer
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" Doesn't work if window closed with `q`
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execute printf('normal! %dG%d|', line, col)
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endif
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let wmw = remove(goyo_revert, 'winminwidth')
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let ww = remove(goyo_revert, 'winwidth')
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let &winwidth = ww
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let &winminwidth = wmw
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let wmh = remove(goyo_revert, 'winminheight')
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let wh = remove(goyo_revert, 'winheight')
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let &winheight = max([wmh, 1])
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let &winminheight = wmh
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let &winheight = wh
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for [k, v] in items(goyo_revert)
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execute printf('let &%s = %s', k, string(v))
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endfor
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execute 'colo '. get(g:, 'colors_name', 'default')
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if goyo_disabled_gitgutter
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silent! GitGutterEnable
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endif
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if goyo_disabled_signify
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silent! if !b:sy.active
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SignifyToggle
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endif
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endif
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if goyo_disabled_airline && !exists('#airline')
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AirlineToggle
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" For some reason, Airline requires two refreshes to avoid display
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" artifacts
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silent! AirlineRefresh
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silent! AirlineRefresh
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endif
|
||
|
|
|
||
|
|
if goyo_disabled_powerline && !exists('#PowerlineMain')
|
||
|
|
doautocmd PowerlineStartup VimEnter
|
||
|
|
silent! PowerlineReloadColorscheme
|
||
|
|
endif
|
||
|
|
|
||
|
|
if goyo_disabled_lightline
|
||
|
|
silent! call lightline#enable()
|
||
|
|
endif
|
||
|
|
|
||
|
|
if exists('#Powerline')
|
||
|
|
doautocmd Powerline ColorScheme
|
||
|
|
endif
|
||
|
|
|
||
|
|
if exists('g:goyo_callbacks[1]')
|
||
|
|
call g:goyo_callbacks[1]()
|
||
|
|
endif
|
||
|
|
if exists('#User#GoyoLeave')
|
||
|
|
doautocmd User GoyoLeave
|
||
|
|
endif
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
function! s:relsz(expr, limit)
|
||
|
|
if a:expr !~ '%$'
|
||
|
|
return str2nr(a:expr)
|
||
|
|
endif
|
||
|
|
return a:limit * str2nr(a:expr[:-2]) / 100
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
function! s:parse_arg(arg)
|
||
|
|
if exists('g:goyo_height') || !exists('g:goyo_margin_top') && !exists('g:goyo_margin_bottom')
|
||
|
|
let height = s:relsz(get(g:, 'goyo_height', '85%'), &lines)
|
||
|
|
let yoff = 0
|
||
|
|
else
|
||
|
|
let top = max([0, s:relsz(get(g:, 'goyo_margin_top', 4), &lines)])
|
||
|
|
let bot = max([0, s:relsz(get(g:, 'goyo_margin_bottom', 4), &lines)])
|
||
|
|
let height = &lines - top - bot
|
||
|
|
let yoff = top - bot
|
||
|
|
endif
|
||
|
|
|
||
|
|
let dim = { 'width': s:relsz(get(g:, 'goyo_width', 80), &columns),
|
||
|
|
\ 'height': height,
|
||
|
|
\ 'xoff': 0,
|
||
|
|
\ 'yoff': yoff }
|
||
|
|
if empty(a:arg)
|
||
|
|
return dim
|
||
|
|
endif
|
||
|
|
let parts = matchlist(a:arg, '^\s*\([0-9]\+%\?\)\?\([+-][0-9]\+%\?\)\?\%(x\([0-9]\+%\?\)\?\([+-][0-9]\+%\?\)\?\)\?\s*$')
|
||
|
|
if empty(parts)
|
||
|
|
echohl WarningMsg
|
||
|
|
echo 'Invalid dimension expression: '.a:arg
|
||
|
|
echohl None
|
||
|
|
return {}
|
||
|
|
endif
|
||
|
|
if !empty(parts[1]) | let dim.width = s:relsz(parts[1], &columns) | endif
|
||
|
|
if !empty(parts[2]) | let dim.xoff = s:relsz(parts[2], &columns) | endif
|
||
|
|
if !empty(parts[3]) | let dim.height = s:relsz(parts[3], &lines) | endif
|
||
|
|
if !empty(parts[4]) | let dim.yoff = s:relsz(parts[4], &lines) | endif
|
||
|
|
return dim
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
function! goyo#execute(bang, dim)
|
||
|
|
if a:bang
|
||
|
|
if exists('#goyo')
|
||
|
|
call s:goyo_off()
|
||
|
|
endif
|
||
|
|
else
|
||
|
|
if exists('#goyo') == 0
|
||
|
|
call s:goyo_on(a:dim)
|
||
|
|
elseif !empty(a:dim)
|
||
|
|
if winnr('$') < 5
|
||
|
|
call s:goyo_off()
|
||
|
|
return goyo#execute(a:bang, a:dim)
|
||
|
|
endif
|
||
|
|
let dim = s:parse_arg(a:dim)
|
||
|
|
if !empty(dim)
|
||
|
|
let t:goyo_dim = dim
|
||
|
|
let t:goyo_dim_expr = a:dim
|
||
|
|
call s:resize_pads()
|
||
|
|
endif
|
||
|
|
else
|
||
|
|
call s:goyo_off()
|
||
|
|
end
|
||
|
|
end
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
let &cpo = s:cpo_save
|
||
|
|
unlet s:cpo_save
|
||
|
|
|