X-Git-Url: http://git.iain.cx/?p=profile.git;a=blobdiff_plain;f=.vimrc;h=45d56e3702c04bcf7cc3925ac1765fe0dd066eec;hp=85b1595c96cebada42a17bc3407c86c8734fe3cc;hb=c396d112edafe6f3044fe08f6abe147596abbc68;hpb=1f5e0af1a0dc8874172d4ace1d39cd0fbe520a66 diff --git a/.vimrc b/.vimrc index 85b1595..45d56e3 100644 --- a/.vimrc +++ b/.vimrc @@ -13,16 +13,13 @@ version 4.0 " Handle options safe to use in version 4. Vim 4 parses but ignores the " "if version" syntax used later in this file so we don't use it. No attempt " is made to make this configuration compatible with Vim 3. +" Some of these settings should strictly be wrapped inside "if has()" blocks +" but that would cause them not to be ignored by Vim 4. """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" "{{{1 " No compatibility mode. se nocp -" Find stuff. -if has("win32") || has("win64") - se rtp=~/.vim,$VIMRUNTIME -endif - " Tabstop 2. se ts=2 " And use spaces not tabs. @@ -80,6 +77,11 @@ noremap ' ` noremap ` ' "}}}1 +" Find stuff. +if (has("win32") || has("win64")) && version >= "504" + se rtp=~/.vim,$VIMRUNTIME +endif + """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" " Handle options only available in Vim 5 and above. """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" @@ -103,31 +105,39 @@ if has("signs") endif " Enable tab-completion prompting for commands. -se wildmenu -" Don't list object files when globbing files to load. -se wildignore+=*.o,*.obj -" So there's no need to assign them low priority. -se suffixes-=*.o,*.obj +if has("wildmenu") + se wildmenu + " Don't list object files when globbing files to load. + se wildignore+=*.o,*.obj + " So there's no need to assign them low priority. + se suffixes-=*.o,*.obj +endif " Save sessions in UNIX format with / as file separator. This is " cross-platform. -se ssop+=unix,slash +if has("mksession") + se ssop+=unix,slash +endif " How often do we need to use ^A/^X on octals? se nf=hex " Nuke any pre-existing autocommands. -augroup Display -autocmd! -augroup Mode -autocmd! -if has("signs") - augroup Signs +if has("autocmd") + augroup Display autocmd! + augroup Mode + autocmd! + if has("signs") + augroup Signs + autocmd! + endif + augroup StatusLine + autocmd! + augroup File + autocmd! + augroup END endif -augroup StatusLine -autocmd! -augroup END " Save the current window dimensions so we can restore them when we quit. if ! exists("g:oldcols") @@ -138,21 +148,17 @@ if ! exists("g:oldlines") endif " More GUI options. Add icon and tearoffs. -se go+=i -se go+=t +if has("gui") + se go+=i + se go+=t +endif " Allow dynamic window resize even if we aren't in an xterm. se t_WS=[8;%p1%d;%p2%dt " Highlight search results. -se hlsearch - -" Set graphical window title. -if has("win32") || has("win64") - " Windows taskbar entries are probably too small to show full titles. - se titlestring=%t -else - se titlestring=%{Show_TitleString()} +if has("extra_search") + se hlsearch endif " Syntax highlighting. New versions will use syn enable instead. @@ -160,10 +166,27 @@ if version < "600" syn on endif -" Catch typos. -command! W :w -command! Wq :wq -command! Wqa :wqa +if has("user_commands") + " Catch typos. + command! W :w + command! Wq :wq + command! Wqa :wqa +endif + +" Forget the Ex mode mapping. +map Q + +if has("autocmd") + " Position the compview plugin window. + au Display BufEnter -SearchResults- set buftype=nowrite | set nonumber | wincmd J +endif +endif "}}}1 + +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +" Handle options only available in Vim 5.2 and above. +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +if version >= "502" "{{{1 +version 5.2 " Helper to initialise a variable. fun! Prep_Var(var, value) "{{{2 @@ -183,6 +206,7 @@ fun! Iain_Vars() "{{{2 call Prep_Var("g:iainextracolumnsnumber", "''") call Prep_Var("g:iainextracolumnslist", "''") call Prep_Var("b:iaincul", 0) + call Prep_Var("b:iainalt", 0) if has("signs") call Prep_Var("g:marksigns", 0) call Prep_Var("g:firstsign", 100) @@ -190,56 +214,6 @@ fun! Iain_Vars() "{{{2 call Prep_Var("g:resizable", "''") endfun "}}}2 -" Helper for status line. -" Show space, underscore or dollar sign depending on list mode. -fun! Show_List() "{{{2 - call Iain_Vars() - if w:iainlist == 0 - " No list. - return " " - elseif Has_Unicode() - if w:iainlist == 1 - " Just tabs. - return "»" - else - " Full list. - return "¶" - endif - else - if w:iainlist == 1 - return "_" - else - return "\$" - endif - endif -endfun "}}}2 - -" Helper for status line. -" Show c or C to denote case-sensitivity. -fun! Show_Case() "{{{2 - if &ic - return "c" - else - return "C" - endif -endfun "}}}2 - -" Helper for status line. -" Show the size of the tabstop. -fun! Show_Tabstop() "{{{2 - return &ts -endfun "}}}2 - -" Helper for status line. -" Show p when paste mode is on. -fun! Show_Paste() "{{{2 - if &paste - return "p" - else - return "" - endif -endfun "}}}2 - " Show the window title. fun! Show_TitleString() "{{{2 if bufname("") == "" @@ -259,25 +233,6 @@ fun! Show_TitleString() "{{{2 return l:ts1 endfun "}}}2 -" Show the status line. -fun! Show_StatusLine() "{{{2 - call Iain_Vars() - let l:sl1='%2n\:\ %<%1*%f%0*\ [%{Show_List()}%{Show_Case()}%{Show_Tabstop()}%{Show_Paste()}%Y%M%R]\ ' - let l:sl3='L:%1*%4.6l%0*/%-4.6L\ C:%1*%3.6c%0*\ \|\ %P' - let l:hexformat='%b' - if b:iainhex - let l:hexformat='0\x%02B' - endif - if b:iainverbose - let l:sl1=l:sl1 . v:version . '\ %=' - let l:sl2=l:hexformat . '\ \|\ P:%4.6o\ ' - else - let l:sl1=l:sl1 . '%=' - let l:sl2='' - endif - exec "set statusline=" . l:sl1 . l:sl2 . l:sl3 -endfun "}}}2 - " Toggle case-sensitivity. fun! Invert_Case() "{{{2 let &ic = ! &ic @@ -317,7 +272,7 @@ fun! Resize_Columns(op, ...) "{{{2 if a:0 == 0 " Vim 5 hardcodes the size of numbers column to 8. - if version >= "700" + if version >= "700" && has("linebreak") let l:columns = &numberwidth else let l:columns = 8 @@ -370,6 +325,9 @@ fun! Extra_Columns(extra, var, ...) "{{{2 if v:version < "600" return "" endif + if ! has("windows") + return "" + endif " Remember which window we're in. let l:winnr = winnr() @@ -433,14 +391,16 @@ fun! Number(resize) "{{{2 endfun "}}}2 " Restore window size. -if ! has("gui_running") +if has("autocmd") && ! has("gui_running") au Display VimLeave * if exists("g:oldcols") | call Resize_Columns("-", (&columns - g:oldcols)) | endif au Display VimLeave * if exists("g:oldlines") | call Resize_Lines("-", (&lines - g:oldlines)) | endif endif " Map Makefile mode. -au Mode BufEnter * if &ft == "make" | call MakeMode_map() | endif -au Mode BufLeave * if &ft == "make" | call MakeMode_unmap() | endif +if has("autocmd") + au Mode BufEnter * if &ft == "make" | call MakeMode_map() | endif + au Mode BufLeave * if &ft == "make" | call MakeMode_unmap() | endif +endif " Entering Make mode. fun! MakeMode_map() "{{{2 @@ -458,9 +418,6 @@ fun! MakeMode_unmap() "{{{2 set expandtab endfun "}}}2 -" Show the status line for the first time. -call Show_StatusLine() - " Function to create mappings with either a hardcoded \ or . fun! Mapping(keysequence,mapping) "{{{2 if version < "600" @@ -495,9 +452,16 @@ call Mapping(">", ":call Resize_Columns('+'):") call Mapping("<", ":call Resize_Columns('-'):") " Clear search pattern with \/. call Mapping("/", ":let @/=\"\":") +" Toggle alternate buffer name with \#. +call Mapping("#", ":call Cycle_Alt():") -" Forget the Ex mode mapping. -map Q +" Set graphical window title. +if has("win32") || has("win64") + " Windows taskbar entries are probably too small to show full titles. + se titlestring=%t +else + se titlestring=%{Show_TitleString()} +endif " Vim tip 99: What's the highlighting group under the cursor? call Mapping("h", ":echo \"hi<\" . synIDattr(synID(line(\".\"),col(\".\"),1),\"name\") . '> trans<' . synIDattr(synID(line(\".\"),col(\".\"),0),\"name\") . \"> lo<\" . synIDattr(synIDtrans(synID(line(\".\"),col(\".\"),1)),\"name\") . \">\"") @@ -535,7 +499,7 @@ fun! Startup_Resize() "{{{2 " Resize for numbers. if &number - if version >= "700" + if version >= "700" && has("linebreak") let l:columns = &numberwidth else let l:columns = 8 @@ -561,6 +525,9 @@ endfun "}}}2 " F/f: Focus gained/lost. " I/i: Insert mode entered/left. fun! Highlight_StatusLine(flag) "{{{2 + if ! has("statusline") + return + endif " Get current status. call Iain_Vars() @@ -633,13 +600,181 @@ fun! Iain_Colour(colour) "{{{2 endif endfun "}}}2 -au StatusLine VimEnter * call Highlight_StatusLine("") +if has("autocmd") + au StatusLine VimEnter * call Highlight_StatusLine("") + + " Show numbers by default. + au Display VimEnter * if ! Uncluttered_Buffer() | call Number(0) | endif +endif +endif "}}}1 + +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +" Handle options only available in Vim 5.4 and above. +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +if version >= "504" "{{{1 +version 5.4 + +" Do we have Unicode? +fun! Has_Unicode() "{{{2 + if ! has('multi_byte') + return 0 + endif + + if version < "602" + return 0 + endif + + if &tenc =~? '^u\(tf\|cs\)' + return 1 + endif + + if ! strlen(&tenc) && &enc =~? '^u\(tf\|cs\)' + return 1 + endif + + return 0 +endfun "}}}2 + +" Helper for status line. +" Show space, underscore or dollar sign depending on list mode. +fun! Show_List() "{{{2 + call Iain_Vars() + if w:iainlist == 0 + " No list. + return " " + elseif Has_Unicode() + if w:iainlist == 1 + " Just tabs. + return "»" + else + " Full list. + return "¶" + endif + else + if w:iainlist == 1 + return "_" + else + return "\$" + endif + endif +endfun "}}}2 + +" Helper for status line. +" Show c or C to denote case-sensitivity. +fun! Show_Case() "{{{2 + if &ic + return "c" + else + return "C" + endif +endfun "}}}2 + +" Helper for status line. +" Show the size of the tabstop. +fun! Show_Tabstop() "{{{2 + return &ts +endfun "}}}2 + +" Helper for status line. +" Show p when paste mode is on. +fun! Show_Paste() "{{{2 + if &paste + return "p" + else + return "" + endif +endfun "}}}2 + +" Helper for status line. +" Show v when virtualedit mode is block, insert or onemore. +" Show V when virtualedit mode is all. +fun! Show_VirtualEdit() "{{{2 + if ! has("virtualedit") + return "" + endif + + if &ve == "all" + return "V" + elseif &ve != '' + return "v" + else + return "" + endif +endfun "}}}2 + +" Helper for status line. +" Show U when persistent undo is on. +" Show u when persistent undo is off but an undofile exists. +fun! Show_Undo() "{{{2 + if ! exists("&undofile") + return "" + endif + + if &undofile + return "U" + elseif filereadable(undofile(expand("%"))) + return "u" + else + return "" + endif +endfun "}}}2 -" Show numbers by default. -au Display VimEnter * if ! Uncluttered_Buffer() | call Number(0) | endif +" Helper for status line. +" Show alternate buffer number and name. +fun! Show_Alt() "{{{2 + let l:alt = bufnr("#") + if l:alt < 0 || l:alt == bufnr("") || ! b:iainalt + return "" + endif -" Position the compview plugin window. -au Display BufEnter -SearchResults- set buftype=nowrite | set nonumber | wincmd J + return " " . l:alt . ": " . expand("#:t") +endfun "}}}2 + +" Helper for status line. +" Show scrollbind or cursorbind. +fun! Show_Bind() "{{{2 + if has("cursorbind") + if &cursorbind + if Has_Unicode() + return "⇄" + else + return ">" + endif + elseif &scrollbind + if Has_Unicode() + return "⇅" + else + return "^" + endif + endif + endif + return "" +endfun "}}}2 + +" Show the status line. +fun! Show_StatusLine() "{{{2 + if ! has("statusline") + return + endif + call Iain_Vars() + let l:sl1='%2n\:\ %<%1*%f%0*\ [%{Show_List()}%{Show_Bind()}%{Show_Case()}%{Show_Tabstop()}%{Show_Paste()}%{Show_VirtualEdit()}%{Show_Undo()}%Y%M%R]%{Show_Alt()}\ ' + let l:sl3='L:%1*%4.6l%0*/%-4.6L\ C:%1*%3.6c%V%0*\ \|\ %P' + let l:hexformat='%b' + if b:iainhex + let l:hexformat='0\x%02B' + endif + if b:iainverbose + let l:sl1=l:sl1 . v:version . '\ %=' + let l:sl2=l:hexformat . '\ \|\ P:%4.6o\ ' + else + let l:sl1=l:sl1 . '%=' + let l:sl2='' + endif + exec "set statusline=" . l:sl1 . l:sl2 . l:sl3 +endfun "}}}2 + +" Show the status line for the first time. +call Show_StatusLine() endif "}}}1 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" @@ -653,13 +788,17 @@ if has("gui_win32") endif " Remember quickfix state. -let g:quickfixing=0 +if has("quickfix") + let g:quickfixing=0 +endif " Set indenting by filetype. filetype indent on " Less intrusive syntax highlighting. -syn enable +if has("syntax") + syn enable +endif " Set colours. if has("gui_running") @@ -674,21 +813,20 @@ if has("gui_running") || &t_Co > 16 endif " Ignore whitespace when diffing. -se diffopt=filler,iwhite - -" Expand window when doing a vertical diff. -if &diff - if &columns < 161 - let &columns = &columns * 2 - endif +if has("diff") + se diffopt=filler,iwhite endif -" Remember that we are opening the quickfix window. -au Mode BufWinEnter quickfix let g:quickfixing=1 -au Mode BufUnload * if &ft == "qf" | let g:quickfixing=0 | endif +if has("autocmd") + if has("quickfix") + " Remember that we are opening the quickfix window. + au Mode BufWinEnter quickfix let g:quickfixing=1 + au Mode BufUnload * if &ft == "qf" | let g:quickfixing=0 | endif + endif -" Allow in-place editing of crontabs. -au Mode FileType crontab set backupcopy=yes + " Allow in-place editing of crontabs. + au Mode FileType crontab set backupcopy=yes +endif " Make * and # work the way you expect in visual mode. vnoremap * y/\V=substitute(escape(@@,"/\\"),"\n","\\\\n","ge") @@ -768,7 +906,7 @@ fun! Cycle_Signs(resize) "{{{2 " Signs with Type '-' will be highlighted with the MarkLine group. " Signs with Type '.' will be highlighted with the MarkDot group. " Define the Mark where Symbol is not also the mark name, eg "']". - if Has_Unicode() + if Has_Unicode() let g:iainsigns = "Dash:'=’ Dot:..• Quote:\"=” Caret:^.ʌ" else let g:iainsigns = "Dash=' Dot:..* Quote=\" Caret.^" @@ -821,31 +959,10 @@ fun! Cycle_Signs(resize) "{{{2 endif endfun "}}}2 -" Do we have Unicode? -fun! Has_Unicode() "{{{2 - if ! has('multi_byte') - return 0 - endif - - if version < "602" - return 0 - endif - - if &tenc =~? '^u\(tf\|cs\)' - return 1 - endif - - if ! strlen(&tenc) && &enc =~? '^u\(tf\|cs\)' - return 1 - endif - - return 0 -endfun "}}}2 - " Change list mode. fun! Cycle_List() "{{{2 " Pretty UTF-8 listchars. - if Has_Unicode() + if Has_Unicode() let basic='tab:»·,trail:…,extends:«,precedes:»' let eol='eol:¶' if version >= "700" @@ -874,6 +991,7 @@ fun! Cycle_List() "{{{2 endif call Resize_Columns(Extra_Columns("list", "iainlist", " == 2"), 1) + call Extra_Whitespace_Match() endfun "}}}2 " Cycle between hex and decimal display of toolbar stuff. @@ -892,6 +1010,9 @@ endfun "}}}2 " Toggle quickfix window. fun! Cycle_Quickfix() "{{{2 + if ! has("quickfix") + return + endif if g:quickfixing == 1 cclose let g:quickfixing=0 @@ -900,6 +1021,18 @@ fun! Cycle_Quickfix() "{{{2 endif endfun "}}}2 +" Toggle showing alternate buffer information. +fun! Cycle_Alt() "{{{2 + call Iain_Vars() + let b:iainalt = ! b:iainalt + call Show_StatusLine() +endfun "{{{2 + +" To be overridden later if applicable. +fun! Extra_Whitespace_Match() "{{{2 + " NOP. +endfun "}}}2 + " Swap hex/decimal statusline with \x. call Mapping("x", ":call Cycle_HexStatusLine():") " Change statusline verbosity with \v. @@ -918,8 +1051,10 @@ call Mapping("S", ":filetype detect:") " Toggle marks with \m. call Mapping("m", ":call Cycle_Signs(1):") -" Show signs by default. -au Display VimEnter * call Cycle_Signs(0) +if has("autocmd") + " Show signs by default. + au Display VimEnter * call Cycle_Signs(0) +endif endif "}}}1 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" @@ -1000,40 +1135,95 @@ endfun "}}}2 fun! ToggleCursorLine() "{{{2 call Iain_Vars() - if b:iainstatus =~# "f" && b:iainstatus =~# "H" && b:iainstatus =~# "I" - " Focus lost while held in insert mode. - let b:iaincul = getbufvar("", "&cursorline") - setlocal cursorline - elseif ! b:iaincul - setlocal nocursorline + if b:iainstatus =~# "H" && b:iainstatus =~# "I" + " We are held in insert mode. + if b:iainstatus =~# "f" + " And focus was lost. + let b:iaincul = getbufvar("", "&cursorline") + setlocal cursorline + elseif ! b:iaincul + setlocal nocursorline + endif endif endfun "}}}2 -se tabline=%!Show_TabLine() -se guitablabel=%!Show_GUITabLine() +" Handle searching in a BufExplorer window. +fun! BufExplorer_Search(n) "{{{2 + if a:n == 0 + let l:re = '^ *\d %' + else + let l:re = "^ *" . a:n + endif -au StatusLine CursorHoldI * call Highlight_StatusLine("H") -au StatusLine CursorMovedI * call Highlight_StatusLine("h") -au StatusLine FocusGained * call Highlight_StatusLine("F") -au StatusLine FocusLost * call Highlight_StatusLine("f") -au StatusLine InsertEnter * call Highlight_StatusLine("I") -au StatusLine InsertLeave * call Highlight_StatusLine("i") + " Find matching line. + let l:line = search(l:re, 'w') + if ! l:line + return + endif -au Display FocusGained,FocusLost * call ToggleCursorLine() + if a:n == 0 + return + endif -if has("signs") - au Signs InsertEnter * call Highlight_Signs() - au Signs InsertLeave * call Highlight_Signs() + " Peek ahead to the next matching line. + let l:next = search(l:re, 'w') + + " Select the buffer if the match is unambiguous. + if l:next == l:line + exe "normal \" + return + endif + + " Go back. + call cursor(l:line, 0) +endfun! "}}}2 + +" Entering a BufExplorer window. +fun! BufExplorer_Map() "{{{2 + for l:n in [ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" ] + exec "nnoremap " . l:n . " :call BufExplorer_Search(" . l:n . ")" + endfor +endfun "}}}2 + +if has("windows") + se tabline=%!Show_TabLine() + se guitablabel=%!Show_GUITabLine() +endif + +if has("autocmd") + au StatusLine CursorHoldI * call Highlight_StatusLine("H") + au StatusLine CursorMovedI * call Highlight_StatusLine("h") + au StatusLine FocusGained * call Highlight_StatusLine("F") + au StatusLine FocusLost * call Highlight_StatusLine("f") + au StatusLine InsertEnter * call Highlight_StatusLine("I") + au StatusLine InsertLeave * call Highlight_StatusLine("i") + + if has("syntax") + au Display FocusGained,FocusLost * call ToggleCursorLine() + endif + + if has("signs") + au Signs InsertEnter * call Highlight_Signs() + au Signs InsertLeave * call Highlight_Signs() + endif + + au Mode BufEnter \[BufExplorer\] call BufExplorer_Map() endif " Limit the size of the popup menu when completing. -se pumheight=20 +if has("insert_expand") + se pumheight=20 +endif " Make diffs vertical by default. -se diffopt+=vertical +if has("diff") + se diffopt+=vertical +endif " Set size of numbers column. -se numberwidth=5 +if has("linebreak") + se numberwidth=5 +endif " Add "previous tab" mapping as gb. map gb :tabprevious: @@ -1044,7 +1234,9 @@ if has("gui_macvim") endif " Yet more GUI options. Add tabs. -se go+=e +if has("gui") + se go+=e +endif " Perforce. let g:p4EnableMenu=1 @@ -1053,9 +1245,151 @@ let g:p4Presets='P4CONFIG' " BufExplorer. let g:bufExplorerShowRelativePath=1 let g:bufExplorerSplitOutPathName=0 + +" NERDcommenter. +let g:NERDSpaceDelims=1 +endif "}}}1 + +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +" Handle options only available in Vim 7.2 and above. +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +if version >= "702" "{{{1 +if has("autocmd") + " http://vim.wikia.com/wiki/Highlight_unwanted_spaces + augroup WhitespaceMatch + autocmd! + au Display BufWinEnter * call Extra_Whitespace_Match() + au Display Syntax * call Extra_Whitespace_Match() + au Display BufWinLeave * call clearmatches() + augroup END + + fun! Extra_Whitespace_Match() "{{{2 + " \s\+ + " $ + " \@ + " \%# + let l:pattern = '\s\+\%#\@ + " \(^\s$\) + let l:pattern = '\(^\s$\)\@!' . l:pattern + endif + + let l:hl = 'ctermfg=red guifg=red' + if ! &list + " Underline if we aren't using listchars. + let l:hl = l:hl . ' cterm=underline gui=underline' + endif + highlight clear ExtraWhitespace + exe "highlight ExtraWhitespace " . l:hl + if exists('w:whitespace_match_number') + try + call matchdelete(w:whitespace_match_number) + catch + endtry + call matchadd('ExtraWhitespace', l:pattern, 10, w:whitespace_match_number) + else + let w:whitespace_match_number = matchadd('ExtraWhitespace', l:pattern) + endif + endfun "}}}2 + + call Extra_Whitespace_Match() +endif + +endif "}}}1 + +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +" Handle options only available in Vim 7.3 and above. +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +if version >= "703" "{{{1 +version 7.3 + +" Toggle persistent undo with \u. +call Mapping("u", ":call Cycle_Undo():") +" Remove persistent undo file with \U. +call Mapping("U", ":call Clear_Undo():") + +" Use a persistent undo file if it exists. +fun! Check_Undo() "{{{2 + if filereadable(undofile(expand("%"))) + setlocal undofile + endif +endfun "}}}2 + +" Toggle persistent undo for this buffer. +fun! Cycle_Undo() "{{{2 + if has("persistent_undo") + let &undofile = ! &undofile + endif +endfun "}}}2 + +" Remove the persistent undo file for this buffer. +fun! Clear_Undo() "{{{2 + if ! has("persistent_undo") + return + endif + + setlocal noundofile + + let l:f = expand("%") + if l:f == "" + return + endif + + let l:u = undofile(l:f) + if l:u == "" + return + endif + + if ! filereadable(l:u) || ! filewritable(l:u) + return + endif + + call delete(l:u) +endfun "}}}2 + +" Toggle ColorColumn at cursor position. +fun! Cycle_ColorColumn() "{{{2 + if ! has("syntax") + return + endif + + let l:cc = &colorcolumn + let l:column = col(".") + let l:re = ",*\\<" . l:column . "\\>" + if l:cc =~# l:re + let l:cc = substitute(l:cc, l:re, "", "g") + else + let l:cc = l:cc . "," . l:column + endif + let &colorcolumn = substitute(l:cc, "^,*", "", "") +endfun "}}}2 + +if has("syntax") + " Enable showing ColorColumn at cursor position with \CC. + call Mapping("CC", ":call Cycle_ColorColumn():") + " Remove last shown ColorColumn with \Cc. + call Mapping("Cc", ":let &colorcolumn=substitute(&colorcolumn, \",*[0-9]*$\", \"\", \"\"):") + " Remove all ColorColumns with \Cx. + call Mapping("Cx", ":se colorcolumn=:") +endif + +" Use persistent undo if available. +if has("autocmd") + if has("persistent_undo") + au File BufReadPost * call Check_Undo() + endif + + if has("cursorbind") + au Display WinEnter * if &diff | se cursorbind | endif + endif +endif endif "}}}1 " Resize after startup. if version >= "500" "{{{1 -au Display VimEnter * call Startup_Resize() +if has("autocmd") + au Display VimEnter * call Startup_Resize() +endif endif "}}}1