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Diffstat (limited to 'Editor/vim/autoload/goyo.vim')
| -rw-r--r-- | Editor/vim/autoload/goyo.vim | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/Editor/vim/autoload/goyo.vim b/Editor/vim/autoload/goyo.vim new file mode 100644 index 0000000..7c43f4e --- /dev/null +++ b/Editor/vim/autoload/goyo.vim @@ -0,0 +1,383 @@ +" Copyright (c) 2014 Junegunn Choi +" +" MIT License +" +" Permission is hereby granted, free of charge, to any person obtaining +" a copy of this software and associated documentation files (the +" "Software"), to deal in the Software without restriction, including +" without limitation the rights to use, copy, modify, merge, publish, +" distribute, sublicense, and/or sell copies of the Software, and to +" permit persons to whom the Software is furnished to do so, subject to +" the following conditions: +" +" The above copyright notice and this permission notice shall be +" included in all copies or substantial portions of the Software. +" +" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +" NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +" LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +" OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +" WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +let s:cpo_save = &cpo +set cpo&vim + +function! s:get_color(group, attr) + return synIDattr(synIDtrans(hlID(a:group)), a:attr) +endfunction + +function! s:set_color(group, attr, color) + let gui = has('gui_running') + execute printf("hi %s %s%s=%s", a:group, gui ? 'gui' : 'cterm', a:attr, a:color) +endfunction + +function! s:blank(repel) + if bufwinnr(t:goyo_pads.r) <= bufwinnr(t:goyo_pads.l) + 1 + \ || bufwinnr(t:goyo_pads.b) <= bufwinnr(t:goyo_pads.t) + 3 + call s:goyo_off() + endif + execute 'wincmd' a:repel +endfunction + +function! s:init_pad(command) + execute a:command + + setlocal buftype=nofile bufhidden=wipe nomodifiable nobuflisted noswapfile + \ nonu nocursorline nocursorcolumn winfixwidth winfixheight statusline=\ + if exists('&rnu') + setlocal nornu + endif + if exists('&colorcolumn') + setlocal colorcolumn= + endif + let bufnr = winbufnr(0) + + execute winnr('#') . 'wincmd w' + return bufnr +endfunction + +function! s:setup_pad(bufnr, vert, size, repel) + let win = bufwinnr(a:bufnr) + execute win . 'wincmd w' + execute (a:vert ? 'vertical ' : '') . 'resize ' . max([0, a:size]) + augroup goyop + execute 'autocmd WinEnter,CursorMoved <buffer> nested call s:blank("'.a:repel.'")' + autocmd WinLeave <buffer> call s:hide_statusline() + augroup END + + " To hide scrollbars of pad windows in GVim + let diff = winheight(0) - line('$') - (has('gui_running') ? 2 : 0) + if diff > 0 + setlocal modifiable + call append(0, map(range(1, diff), '""')) + normal! gg + setlocal nomodifiable + endif + execute winnr('#') . 'wincmd w' +endfunction + +function! s:hmargin() + let nwidth = max([len(string(line('$'))) + 1, &numberwidth]) + let width = t:goyo_width + (&number ? nwidth : 0) + return (&columns - width) +endfunction + +function! s:resize_pads() + let t:goyo_width = max([2, t:goyo_width]) + let t:goyo_margin_top = min([max([2, t:goyo_margin_top]), &lines / 2 - 1]) + let t:goyo_margin_bottom = min([max([2, t:goyo_margin_bottom]), &lines / 2 - 1]) + + let hmargin = s:hmargin() + + augroup goyop + autocmd! + augroup END + call s:setup_pad(t:goyo_pads.t, 0, t:goyo_margin_top - 1, 'j') + call s:setup_pad(t:goyo_pads.b, 0, t:goyo_margin_bottom - 2, 'k') + call s:setup_pad(t:goyo_pads.l, 1, hmargin / 2 - 1, 'l') + call s:setup_pad(t:goyo_pads.r, 1, hmargin / 2 - 1, 'h') + + let t:goyo_width = winwidth(0) +endfunction + +function! s:tranquilize() + let bg = s:get_color('Normal', 'bg') + for grp in ['NonText', 'FoldColumn', 'ColorColumn', 'VertSplit', + \ 'StatusLine', 'StatusLineNC', 'SignColumn'] + " -1 on Vim / '' on GVim + if bg == -1 || empty(bg) + call s:set_color(grp, 'fg', get(g:, 'goyo_bg', 'black')) + call s:set_color(grp, 'bg', 'NONE') + else + call s:set_color(grp, 'fg', bg) + call s:set_color(grp, 'bg', bg) + endif + call s:set_color(grp, '', 'NONE') + endfor +endfunction + +function! s:hide_statusline() + let &l:statusline = repeat(' ', winwidth(0)) +endfunction + +function! s:hide_linenr() + if !get(g:, 'goyo_linenr', 0) + setlocal nonu + if exists('&rnu') + setlocal nornu + endif + endif + if exists('&colorcolumn') + setlocal colorcolumn= + endif +endfunction + +function! s:maps_nop() + let mapped = filter(['R', 'H', 'J', 'K', 'L', '|', '_', '='], + \ "empty(maparg(\"\<c-w>\".v:val, 'n'))") + for c in mapped + execute 'nnoremap <c-w>'.escape(c, '|').' <nop>' + endfor + return mapped +endfunction + +function! s:maps_resize() + let commands = { + \ '>': ':<c-u>let t:goyo_width = winwidth(0) + 2 * v:count1 <bar> call <sid>resize_pads()<cr>', + \ '<': ':<c-u>let t:goyo_width = winwidth(0) - 2 * v:count1 <bar> call <sid>resize_pads()<cr>', + \ '+': ':<c-u>let t:goyo_margin_top -= v:count1 <bar> let t:goyo_margin_bottom -= v:count1 <bar> call <sid>resize_pads()<cr>', + \ '-': ':<c-u>let t:goyo_margin_top += v:count1 <bar> let t:goyo_margin_bottom += v:count1 <bar> call <sid>resize_pads()<cr>' + \ } + let mapped = filter(keys(commands), "empty(maparg(\"\<c-w>\".v:val, 'n'))") + for c in mapped + execute 'nnoremap <silent> <c-w>'.c.' '.commands[c] + endfor + return mapped +endfunction + +function! s:goyo_on(width) + let s:orig_tab = tabpagenr() + + " New tab + tab split + + let t:goyo_master = winbufnr(0) + let t:goyo_width = a:width + let t:goyo_margin_top = get(g:, 'goyo_margin_top', 4) + let t:goyo_margin_bottom = get(g:, 'goyo_margin_bottom', 4) + let t:goyo_pads = {} + let t:goyo_revert = + \ { 'laststatus': &laststatus, + \ 'showtabline': &showtabline, + \ 'fillchars': &fillchars, + \ 'winminwidth': &winminwidth, + \ 'winwidth': &winwidth, + \ 'winminheight': &winminheight, + \ 'winheight': &winheight, + \ 'ruler': &ruler, + \ 'sidescroll': &sidescroll, + \ 'sidescrolloff': &sidescrolloff + \ } + let t:goyo_maps = extend(s:maps_nop(), s:maps_resize()) + if has('gui_running') + let t:goyo_revert.guioptions = &guioptions + endif + + " vim-gitgutter + let t:goyo_disabled_gitgutter = get(g:, 'gitgutter_enabled', 0) + if t:goyo_disabled_gitgutter + silent! GitGutterDisable + endif + + " vim-signify + let t:goyo_disabled_signify = exists('b:sy') && b:sy.active + if t:goyo_disabled_signify + SignifyToggle + endif + + " vim-airline + let t:goyo_disabled_airline = exists("#airline") + if t:goyo_disabled_airline + AirlineToggle + endif + + " vim-powerline + let t:goyo_disabled_powerline = exists("#PowerlineMain") + if t:goyo_disabled_powerline + augroup PowerlineMain + autocmd! + augroup END + augroup! PowerlineMain + endif + + " lightline.vim + let t:goyo_disabled_lightline = exists('#LightLine') + if t:goyo_disabled_lightline + silent! call lightline#disable() + endif + + call s:hide_linenr() + " Global options + let &winheight = max([&winminheight, 1]) + set winminheight=1 + set winheight=1 + set winminwidth=1 winwidth=1 + set laststatus=0 + set showtabline=0 + set noruler + set fillchars+=vert:\ + set fillchars+=stl:. + set fillchars+=stlnc:\ + set sidescroll=1 + set sidescrolloff=0 + + " Hide left-hand scrollbars + if has('gui_running') + set guioptions-=l + set guioptions-=L + endif + + let t:goyo_pads.l = s:init_pad('vertical topleft new') + let t:goyo_pads.r = s:init_pad('vertical botright new') + let t:goyo_pads.t = s:init_pad('topleft new') + let t:goyo_pads.b = s:init_pad('botright new') + + call s:resize_pads() + call s:tranquilize() + + augroup goyo + autocmd! + autocmd TabLeave * call s:goyo_off() + autocmd VimResized * call s:resize_pads() + autocmd ColorScheme * call s:tranquilize() + autocmd BufWinEnter * call s:hide_linenr() | call s:hide_statusline() + autocmd WinEnter,WinLeave * call s:hide_statusline() + augroup END + + call s:hide_statusline() + if exists('g:goyo_callbacks[0]') + call g:goyo_callbacks[0]() + endif + silent! doautocmd User GoyoEnter +endfunction + +function! s:goyo_off() + if !exists('#goyo') + return + endif + + " Oops, not this tab + if !exists('t:goyo_revert') + return + endif + + " Clear auto commands + augroup goyo + autocmd! + augroup END + augroup! goyo + augroup goyop + autocmd! + augroup END + augroup! goyop + + for c in t:goyo_maps + execute 'nunmap <c-w>'.escape(c, '|') + endfor + + let goyo_revert = t:goyo_revert + let goyo_disabled_gitgutter = t:goyo_disabled_gitgutter + let goyo_disabled_signify = t:goyo_disabled_signify + let goyo_disabled_airline = t:goyo_disabled_airline + let goyo_disabled_powerline = t:goyo_disabled_powerline + let goyo_disabled_lightline = t:goyo_disabled_lightline + let goyo_orig_buffer = t:goyo_master + let [line, col] = [line('.'), col('.')] + + if tabpagenr() == 1 + tabnew + normal! gt + bd + endif + tabclose + execute 'normal! '.s:orig_tab.'gt' + if winbufnr(0) == goyo_orig_buffer + " Doesn't work if window closed with `q` + execute printf('normal! %dG%d|', line, col) + endif + + let wmw = remove(goyo_revert, 'winminwidth') + let ww = remove(goyo_revert, 'winwidth') + let &winwidth = ww + let &winminwidth = wmw + let wmh = remove(goyo_revert, 'winminheight') + let wh = remove(goyo_revert, 'winheight') + let &winheight = max([wmh, 1]) + let &winminheight = wmh + let &winheight = wh + + for [k, v] in items(goyo_revert) + execute printf("let &%s = %s", k, string(v)) + endfor + execute 'colo '. get(g:, 'colors_name', 'default') + + if goyo_disabled_gitgutter + silent! GitGutterEnable + endif + + if goyo_disabled_signify + silent! if !b:sy.active + SignifyToggle + endif + endif + + if goyo_disabled_airline && !exists("#airline") + AirlineToggle + silent! AirlineRefresh + 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 + silent! doautocmd User GoyoLeave +endfunction + +function! s:goyo(bang, ...) + let width = a:0 > 0 ? a:1 : get(g:, 'goyo_width', 80) + + if a:bang + if exists('#goyo') + call s:goyo_off() + endif + else + if exists('#goyo') == 0 + call s:goyo_on(width) + elseif a:0 > 0 + let t:goyo_width = width + call s:resize_pads() + else + call s:goyo_off() + end + end +endfunction + +command! -nargs=? -bar -bang Goyo call s:goyo('<bang>' == '!', <args>) + +let &cpo = s:cpo_save +unlet s:cpo_save + |