Mercurial > vim
annotate runtime/ftplugin/man.vim @ 17470:d2a834aa7cc0 v8.1.1733
patch 8.1.1733: the man ftplugin leaves an empty buffer behind
commit https://github.com/vim/vim/commit/e5e6950193ddf365c6c507ddefcd7f9db939e5ac
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Jul 22 22:09:21 2019 +0200
patch 8.1.1733: the man ftplugin leaves an empty buffer behind
Problem: The man ftplugin leaves an empty buffer behind.
Solution: Don't make new window and edit, use split. (Jason Franklin)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 22 Jul 2019 22:15:04 +0200 |
| parents | 7cfe57329284 |
| children | d9aa921b7198 |
| rev | line source |
|---|---|
| 7 | 1 " Vim filetype plugin file |
| 2 " Language: man | |
| 2034 | 3 " Maintainer: SungHyun Nam <goweol@gmail.com> |
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17470
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patch 8.1.1733: the man ftplugin leaves an empty buffer behind
Bram Moolenaar <Bram@vim.org>
parents:
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changeset
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4 " Last Change: 2019 Jul 22 |
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d2a834aa7cc0
patch 8.1.1733: the man ftplugin leaves an empty buffer behind
Bram Moolenaar <Bram@vim.org>
parents:
15640
diff
changeset
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5 " (fix by Jason Franklin) |
| 7 | 6 |
| 7 " To make the ":Man" command available before editing a manual page, source | |
| 8 " this script from your startup vimrc file. | |
| 9 | |
| 10 " If 'filetype' isn't "man", we must have been called to only define ":Man". | |
| 11 if &filetype == "man" | |
| 12 | |
| 13 " Only do this when not done yet for this buffer | |
| 14 if exists("b:did_ftplugin") | |
| 15 finish | |
| 16 endif | |
| 17 let b:did_ftplugin = 1 | |
| 14421 | 18 endif |
| 7 | 19 |
| 14421 | 20 let s:cpo_save = &cpo |
| 21 set cpo-=C | |
| 22 | |
| 23 if &filetype == "man" | |
| 7 | 24 " allow dot and dash in manual page name. |
| 25 setlocal iskeyword+=\.,- | |
| 14421 | 26 let b:undo_ftplugin = "setlocal iskeyword<" |
| 7 | 27 |
| 28 " Add mappings, unless the user didn't want this. | |
| 29 if !exists("no_plugin_maps") && !exists("no_man_maps") | |
| 30 if !hasmapto('<Plug>ManBS') | |
| 31 nmap <buffer> <LocalLeader>h <Plug>ManBS | |
| 14421 | 32 let b:undo_ftplugin = b:undo_ftplugin |
| 33 \ . '|silent! nunmap <buffer> <LocalLeader>h' | |
| 7 | 34 endif |
| 816 | 35 nnoremap <buffer> <Plug>ManBS :%s/.\b//g<CR>:setl nomod<CR>'' |
| 7 | 36 |
| 37 nnoremap <buffer> <c-]> :call <SID>PreGetPage(v:count)<CR> | |
| 38 nnoremap <buffer> <c-t> :call <SID>PopPage()<CR> | |
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39 nnoremap <buffer> <silent> q :q<CR> |
| 14421 | 40 |
| 41 " Add undo commands for the maps | |
| 42 let b:undo_ftplugin = b:undo_ftplugin | |
| 43 \ . '|silent! nunmap <buffer> <Plug>ManBS' | |
| 44 \ . '|silent! nunmap <buffer> <c-]>' | |
| 45 \ . '|silent! nunmap <buffer> <c-t>' | |
| 46 \ . '|silent! nunmap <buffer> q' | |
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commit https://github.com/vim/vim/commit/d042dc825c9b97dacd84d4728f88300da4d5b6b9
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47 endif |
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commit https://github.com/vim/vim/commit/d042dc825c9b97dacd84d4728f88300da4d5b6b9
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48 |
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commit https://github.com/vim/vim/commit/d042dc825c9b97dacd84d4728f88300da4d5b6b9
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parents:
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49 if exists('g:ft_man_folding_enable') && (g:ft_man_folding_enable == 1) |
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50 setlocal foldmethod=indent foldnestmax=1 foldenable |
| 14421 | 51 let b:undo_ftplugin = b:undo_ftplugin |
| 52 \ . '|silent! setl fdm< fdn< fen<' | |
| 7 | 53 endif |
| 54 | |
| 55 endif | |
| 56 | |
| 57 if exists(":Man") != 2 | |
| 14421 | 58 com -nargs=+ -complete=shellcmd Man call s:GetPage(<q-mods>, <f-args>) |
| 7 | 59 nmap <Leader>K :call <SID>PreGetPage(0)<CR> |
| 10548 | 60 nmap <Plug>ManPreGetPage :call <SID>PreGetPage(0)<CR> |
| 7 | 61 endif |
| 62 | |
| 63 " Define functions only once. | |
| 64 if !exists("s:man_tag_depth") | |
| 65 | |
| 66 let s:man_tag_depth = 0 | |
| 67 | |
| 1623 | 68 let s:man_sect_arg = "" |
| 69 let s:man_find_arg = "-w" | |
| 70 try | |
| 71 if !has("win32") && $OSTYPE !~ 'cygwin\|linux' && system('uname -s') =~ "SunOS" && system('uname -r') =~ "^5" | |
| 72 let s:man_sect_arg = "-s" | |
| 73 let s:man_find_arg = "-l" | |
| 74 endif | |
| 75 catch /E145:/ | |
| 76 " Ignore the error in restricted mode | |
| 77 endtry | |
| 7 | 78 |
| 79 func <SID>PreGetPage(cnt) | |
| 80 if a:cnt == 0 | |
| 81 let old_isk = &iskeyword | |
| 6369 | 82 if &ft == 'man' |
| 83 setl iskeyword+=(,) | |
| 84 endif | |
| 7 | 85 let str = expand("<cword>") |
| 86 let &l:iskeyword = old_isk | |
| 87 let page = substitute(str, '(*\(\k\+\).*', '\1', '') | |
| 88 let sect = substitute(str, '\(\k\+\)(\([^()]*\)).*', '\2', '') | |
| 89 if match(sect, '^[0-9 ]\+$') == -1 | |
| 90 let sect = "" | |
| 91 endif | |
| 92 if sect == page | |
| 93 let sect = "" | |
| 94 endif | |
| 95 else | |
| 96 let sect = a:cnt | |
| 97 let page = expand("<cword>") | |
| 98 endif | |
| 99 call s:GetPage(sect, page) | |
| 100 endfunc | |
| 101 | |
| 102 func <SID>GetCmdArg(sect, page) | |
| 103 if a:sect == '' | |
| 104 return a:page | |
| 105 endif | |
| 106 return s:man_sect_arg.' '.a:sect.' '.a:page | |
| 107 endfunc | |
| 108 | |
| 109 func <SID>FindPage(sect, page) | |
| 10734 | 110 let where = system("man ".s:man_find_arg.' '.s:GetCmdArg(a:sect, a:page)) |
| 7 | 111 if where !~ "^/" |
| 112 if matchstr(where, " [^ ]*$") !~ "^ /" | |
| 113 return 0 | |
| 114 endif | |
| 115 endif | |
| 116 return 1 | |
| 117 endfunc | |
| 118 | |
| 14421 | 119 func <SID>GetPage(cmdmods, ...) |
| 7 | 120 if a:0 >= 2 |
| 121 let sect = a:1 | |
| 122 let page = a:2 | |
| 123 elseif a:0 >= 1 | |
| 124 let sect = "" | |
| 125 let page = a:1 | |
| 126 else | |
| 127 return | |
| 128 endif | |
| 129 | |
| 130 " To support: nmap K :Man <cword> | |
| 131 if page == '<cword>' | |
| 132 let page = expand('<cword>') | |
| 133 endif | |
| 134 | |
| 135 if sect != "" && s:FindPage(sect, page) == 0 | |
| 136 let sect = "" | |
| 137 endif | |
| 138 if s:FindPage(sect, page) == 0 | |
| 139 echo "\nCannot find a '".page."'." | |
| 140 return | |
| 141 endif | |
| 142 exec "let s:man_tag_buf_".s:man_tag_depth." = ".bufnr("%") | |
| 143 exec "let s:man_tag_lin_".s:man_tag_depth." = ".line(".") | |
| 144 exec "let s:man_tag_col_".s:man_tag_depth." = ".col(".") | |
| 145 let s:man_tag_depth = s:man_tag_depth + 1 | |
| 146 | |
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17470
d2a834aa7cc0
patch 8.1.1733: the man ftplugin leaves an empty buffer behind
Bram Moolenaar <Bram@vim.org>
parents:
15640
diff
changeset
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147 let open_cmd = 'edit' |
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patch 8.1.1733: the man ftplugin leaves an empty buffer behind
Bram Moolenaar <Bram@vim.org>
parents:
15640
diff
changeset
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148 |
| 7 | 149 " Use an existing "man" window if it exists, otherwise open a new one. |
| 150 if &filetype != "man" | |
| 151 let thiswin = winnr() | |
| 152 exe "norm! \<C-W>b" | |
| 1125 | 153 if winnr() > 1 |
| 7 | 154 exe "norm! " . thiswin . "\<C-W>w" |
| 155 while 1 | |
| 156 if &filetype == "man" | |
| 157 break | |
| 158 endif | |
| 159 exe "norm! \<C-W>w" | |
| 160 if thiswin == winnr() | |
| 161 break | |
| 162 endif | |
| 163 endwhile | |
| 164 endif | |
| 1125 | 165 if &filetype != "man" |
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commit https://github.com/vim/vim/commit/ddf8d1c746ee081d15c9d7e0515f6ac43adbf363
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166 if exists("g:ft_man_open_mode") |
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patch 8.1.1733: the man ftplugin leaves an empty buffer behind
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parents:
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167 if g:ft_man_open_mode == 'vert' |
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patch 8.1.1733: the man ftplugin leaves an empty buffer behind
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168 let open_cmd = 'vsplit' |
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169 elseif g:ft_man_open_mode == 'tab' |
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patch 8.1.1733: the man ftplugin leaves an empty buffer behind
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170 let open_cmd = 'tabedit' |
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171 else |
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patch 8.1.1733: the man ftplugin leaves an empty buffer behind
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172 let open_cmd = 'split' |
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commit https://github.com/vim/vim/commit/ddf8d1c746ee081d15c9d7e0515f6ac43adbf363
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173 endif |
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commit https://github.com/vim/vim/commit/ddf8d1c746ee081d15c9d7e0515f6ac43adbf363
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174 else |
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patch 8.1.1733: the man ftplugin leaves an empty buffer behind
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parents:
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175 let open_cmd = a:cmdmods . ' split' |
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176 endif |
| 1125 | 177 setl nonu fdc=0 |
| 178 endif | |
| 7 | 179 endif |
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180 |
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181 silent execute open_cmd . " $HOME/" . page . '.' . sect . '~' |
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182 |
| 7 | 183 " Avoid warning for editing the dummy file twice |
| 816 | 184 setl buftype=nofile noswapfile |
| 7 | 185 |
| 5220 | 186 setl ma nonu nornu nofen |
| 13857 | 187 silent exec "norm! 1GdG" |
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188 let unsetwidth = 0 |
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189 if empty($MANWIDTH) |
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190 let $MANWIDTH = winwidth(0) |
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191 let unsetwidth = 1 |
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192 endif |
| 12826 | 193 |
| 194 " Ensure Vim is not recursively invoked (man-db does this) when doing ctrl-[ | |
| 195 " on a man page reference by unsetting MANPAGER. | |
| 13125 | 196 " Some versions of env(1) do not support the '-u' option, and in such case |
| 197 " we set MANPAGER=cat. | |
| 198 if !exists('s:env_has_u') | |
| 199 call system('env -u x true') | |
| 200 let s:env_has_u = (v:shell_error == 0) | |
| 201 endif | |
| 202 let env_cmd = s:env_has_u ? 'env -u MANPAGER' : 'env MANPAGER=cat' | |
| 203 let man_cmd = env_cmd . ' man ' . s:GetCmdArg(sect, page) . ' | col -b' | |
| 204 silent exec "r !" . man_cmd | |
| 12826 | 205 |
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206 if unsetwidth |
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commit https://github.com/vim/vim/commit/ddf8d1c746ee081d15c9d7e0515f6ac43adbf363
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207 let $MANWIDTH = '' |
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208 endif |
| 7 | 209 " Remove blank lines from top and bottom. |
| 15640 | 210 while line('$') > 1 && getline(1) =~ '^\s*$' |
| 13857 | 211 silent keepj norm! ggdd |
| 7 | 212 endwhile |
| 15640 | 213 while line('$') > 1 && getline('$') =~ '^\s*$' |
| 13857 | 214 silent keepj norm! Gdd |
| 7 | 215 endwhile |
| 216 1 | |
| 217 setl ft=man nomod | |
| 218 setl bufhidden=hide | |
| 219 setl nobuflisted | |
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220 setl noma |
| 7 | 221 endfunc |
| 222 | |
| 223 func <SID>PopPage() | |
| 224 if s:man_tag_depth > 0 | |
| 225 let s:man_tag_depth = s:man_tag_depth - 1 | |
| 226 exec "let s:man_tag_buf=s:man_tag_buf_".s:man_tag_depth | |
| 227 exec "let s:man_tag_lin=s:man_tag_lin_".s:man_tag_depth | |
| 228 exec "let s:man_tag_col=s:man_tag_col_".s:man_tag_depth | |
| 229 exec s:man_tag_buf."b" | |
| 230 exec s:man_tag_lin | |
| 13857 | 231 exec "norm! ".s:man_tag_col."|" |
| 7 | 232 exec "unlet s:man_tag_buf_".s:man_tag_depth |
| 233 exec "unlet s:man_tag_lin_".s:man_tag_depth | |
| 234 exec "unlet s:man_tag_col_".s:man_tag_depth | |
| 235 unlet s:man_tag_buf s:man_tag_lin s:man_tag_col | |
| 236 endif | |
| 237 endfunc | |
| 238 | |
| 239 endif | |
| 240 | |
| 14421 | 241 let &cpo = s:cpo_save |
| 242 unlet s:cpo_save | |
| 243 | |
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244 " vim: set sw=2 ts=8 noet: |