X-Git-Url: http://git.iain.cx/?p=profile.git;a=blobdiff_plain;f=.vimrc;h=f572ab2860d615ce30963d421da986f4f2c3245b;hp=d2aa0c5f1d4740a9e860ca95caa3227b7423e166;hb=1284f479e72e999367bcf8cc983b07e23229438b;hpb=95120cbd748ebe21f1cf944911632f9afdad1958 diff --git a/.vimrc b/.vimrc index d2aa0c5..f572ab2 100644 --- a/.vimrc +++ b/.vimrc @@ -1,21 +1,22 @@ """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" -" $Id$ -"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" -" Multi-version vimrc compatible with version 4 and above. +" Multi-version vimrc compatible with version 4 and above. vim6:set fdm=marker: """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" -" Note that "if | call Something() | endif" syntax is unsupported -" in Vim 4 so we write all our functions out the long way. It does work in +" Note that "if | call Something() | endif" syntax is unsupported +" in Vim 4 so we write all our functions out the long way. It does work in " autocommand definitions, however. " Vim 4 complains if version isn't set in the configuration file. 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 +" 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 @@ -25,10 +26,15 @@ se ts=2 se expandtab " And << and >> indent by 2. se sw=2 +" Backspace deletes full tab width at the start of a line. +se smarttab " Allow backspace to delete before start of line. se bs=2 +" Don't jump to the start of the line when using H, L etc. +se nosol + " Show the ruler. se ruler " Show partial commands in the ruler. @@ -61,10 +67,32 @@ se tags=~/.tags,./tags,tags " Don't timeout waiting to interpet, eg, OA as an escape code. se ttimeoutlen=100 +" Remember undo list for closed (but not wiped) buffers. +se hidden + +" Use ^B to search backward when completing. +inoremap +" Use ^L to show matching completions but don't select one. +inoremap + +" Swap jump keys. +nnoremap ' ` +nnoremap ` ' + +" Select previous widnow. +nnoremap ^ p +nnoremap p +"}}}1 + +" Find stuff. +if (has("win32") || has("win64")) && version >= "504" + se rtp=~/.vim,$VIMRUNTIME +endif + """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" " Handle options only available in Vim 5 and above. """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" -if version >= "500" +if version >= "500" "{{{1 version 5.0 " Tell Vim we use dark backgrounds in our terminals. @@ -72,373 +100,1524 @@ if ! has("gui_running") se bg=dark 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 +" Allow mouse use in a terminal but only if it can work. +if has("xterm_clipboard") + se mouse=nvir +endif -" Vim 5 hardcodes the size of numbers column to 8. -let numberwidth=8 +" Update more quickly. For use with sign highlighting as polling for +" CursorMove makes redrawing slow. +if has("signs") + se updatetime=500 +endif + +" Enable tab-completion prompting for commands. +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. -autocmd! +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 -" Save the current window width so we can restore it when we quit. -let oldcols=&columns +" Save the current window dimensions so we can restore them when we quit. +if ! exists("g:oldcols") + let g:oldcols=&columns +endif +if ! exists("g:oldlines") + let g:oldlines=&lines +endif -" More GUI options. Add icon, tearoffs and toolbar. -se go+=itT +" More GUI options. Add icon and tearoffs. +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 +if has("extra_search") + se hlsearch +endif " Syntax highlighting. New versions will use syn enable instead. -if version < 600 +if version < "600" syn on endif -" Use a discernably different colour to highlight the cursor which shows -" matching brackets. Our regular cursor is green so use blue instead of cyan. -hi MatchParen ctermbg=blue +if has("user_commands") + " Catch typos. + command! W :w + command! Wq :wq + command! Wqa :wqa +endif -" Catch typos. -command! W :w -command! Wq :wq -command! Wqa :wqa +" 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 + if exists(a:var) + return + endif + exe "let " . a:var . "=" . a:value +endfun "}}}2 " Set up our variables. -fun! Iain_Vars() - if ! exists("b:iainlist") - let b:iainlist = 0 +fun! Iain_Vars() "{{{2 + call Prep_Var("w:iainlist", 0) + call Prep_Var("b:iainhex", 0) + call Prep_Var("b:iainverbose", 0) + " Window Flags: (F)ocused, (I)nsert mode, Cursor (H)old. + call Prep_Var("b:iainstatus", "'Fih'") + call Prep_Var("g:iainextracolumnsnumber", "''") + call Prep_Var("g:iainextracolumnslist", "''") + call Prep_Var("b:iainalt", 0) + if has("signs") + call Prep_Var("g:marksigns", 0) + call Prep_Var("g:firstsign", 100) + endif + call Prep_Var("g:resizable", "''") +endfun "}}}2 + +" Show the window title. +fun! Show_TitleString() "{{{2 + if bufname("") == "" + let l:ts1='Vim' + else + " Vim 5 doesn't have printf. + let l:ts1=bufnr("") + if l:ts1 < 10 + let l:ts1=" " . l:ts1 + endif + let l:ts1=l:ts1 . ": " . expand('%t') + endif + let l:ts1=l:ts1 . " (" . getcwd() . ")" + if has("clientserver") + let l:ts1=l:ts1 . " " . v:servername + endif + return l:ts1 +endfun "}}}2 + +" Toggle case-sensitivity. +fun! Invert_Case() "{{{2 + let &ic = ! &ic +endfun "}}}2 + +" Can we resize this window? +fun! Can_Resize() "{{{2 + call Iain_Vars() + + if g:resizable == "0" || g:resizable == "1" + return g:resizable + endif + + " Do we KNOW we can(not) resize? + if has("gui_running") + let g:resizable = 1 + elseif $RESIZABLE == &term + let g:resizable = 1 + elseif $RESIZABLE == "0" + let g:resizable = 0 + else + " Assume we can. Allow overriding. + let g:resizable = 1 + endif + return g:resizable +endfun "}}}2 + +" Grow or shrink the window width. +fun! Resize_Columns(op, ...) "{{{2 + if a:op == "" + return + endif + + if ! Can_Resize() + return + endif + + if a:0 == 0 + " Vim 5 hardcodes the size of numbers column to 8. + if version >= "700" && has("linebreak") + let l:columns = &numberwidth + else + let l:columns = 8 + endif + else + let l:columns = a:1 + endif + + exe "let l:resize=" . &columns . a:op . l:columns + let l:resize = "se columns=" . l:resize + + " HACK: Inside screen there is an extra line for the status bar. Vim + " manages the resize by sending an escape sequence to set the number of + " lines and number of columns in one action. To do this it will first query + " the number of lines and then set by . Because of the extra line for the status bar this results in + " the real terminal being shrunk by a line. We ask for the terminal to grow + " by a line so it ends up actually being the same. + if &term =~ '^screen' + let l:resize = l:resize . " lines=" . (&lines + 1) + endif + + exe l:resize +endfun "}}}2 + +" Grow or shrink the window height. +fun! Resize_Lines(op, lines) "{{{2 + if a:op == "" + return + endif + + if ! Can_Resize() + return + endif + + exe "let l:resize=" . &lines . a:op . a:lines + if &term =~ '^screen' + let l:resize = l:resize + 1 + endif + let l:resize = "se lines=" . l:resize + + exe l:resize +endfun "}}}2 + +" Set extra columns depending on window status. +fun! Extra_Columns(extra, var, ...) "{{{2 + " Vim 6 doesn't have winnr("$"). Determine which windows are open + " ourselves by using :windo to incremement a counter. As Vim 5 + " doesn't have :windo we require Vim 6 for this. + if v:version < "600" + return "" + endif + if ! has("windows") + return "" + endif + + " Remember which window we're in. + let l:winnr = winnr() + let l:num_windows = 0 + windo let l:num_windows = l:num_windows + 1 + " Switch back to the window we were in. + exe l:winnr . "wincmd w" + + call Iain_Vars() + + if a:0 == 0 + let l:condition = "" + else + let l:condition = a:1 + endif + + let l:n = 0 + let l:i = 1 + let l:windows = "" + while l:n < l:num_windows + " If window w exists then getwinvar(w, "&modified") will be 0 or 1. + if getwinvar(l:i, "&modified") =~ '^\d' + let l:n = l:n + 1 + + let l:val = 0 + exe "if getwinvar(" . l:i . ", '" . a:var . "') " . l:condition . " | let l:val = 1 | endif" + if l:val + exe "let l:windows = '" . l:windows . ":" . l:i . "'" + endif + endif + let l:i = l:i + 1 + endwhile + + let l:extra = "g:iainextracolumns" . a:extra + exe "let l:val = " . l:extra + exe "let " . l:extra . " = '" . l:windows . "'" + + if l:windows == l:val + return "" + endif + + if l:windows == "" + return "-" + elseif l:val == "" + return "+" + endif +endfun "}}}2 + +" Toggle number display. +fun! Number(resize) "{{{2 + call Iain_Vars() + let &number = ! &number + + " Ensure we keep track of any extra columns even if we aren't resizing. + " This prevents confusion when number is set at startup. + let l:extra = Extra_Columns("number", "&number") + + if a:resize + call Resize_Columns(l:extra) + endif +endfun "}}}2 + +" Restore window size. +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. +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 + call Iain_Vars() + let w:iainlist=1 + call Cycle_List() + set ts=8 + set noexpandtab +endfun "}}}2 + +" Leaving Make mode. +fun! MakeMode_unmap() "{{{2 + call Cycle_List() + set ts=2 + set expandtab +endfun "}}}2 + +" Function to create mappings with either a hardcoded \ or . +fun! Mapping(keysequence, mapping, ...) "{{{2 + if version < "600" + let l:args = "\\" . a:keysequence . " " . a:mapping . ":" + else + let l:args = " " . a:keysequence . " " . a:mapping + endif + if a:0 == 0 + " General mapping. + exec "map " . l:args + else + " Specific mapping(s). + let l:i = 1 + while l:i <= a:0 + exec "let l:map = a:" . l:i . " . \"map\"" + exec l:map . " " . l:args + let l:i = l:i + 1 + endwhile + endif +endfun "}}}2 + +" Use - and = to create underlines. +call Mapping("-", "yyp:s/./-/g:let @/=''") +call Mapping("=", "yyp:s/./=/g:let @/=''") + +" Set 2-column tabs with \2. +call Mapping("2", ":se ts=2:se sw=2") +" Set 4-column tabs with \4. +call Mapping("4", ":se ts=4:se sw=4") +" Set 8-column tabs with \8. +call Mapping("8", ":se ts=8:se sw=8") +" Set 16-column tabs with \6. +call Mapping("6", ":se ts=16:se sw=16") +" Set 32-column tabs with \3. +call Mapping("3", ":se ts=32:se sw=32") +" Toggle paste mode with \p. +call Mapping("p", ":se paste!") +" Swap case-sensitivity with \c. +call Mapping("C", ":call Invert_Case()") +" Change number mode with \n. +call Mapping("n", ":call Number(1)") +" Expand or shrink window size with \> and \<. +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()") + +" 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\") . \">\"") + +fun! Uncluttered_Buffer() "{{{2 + if exists("uncluttered_buffer") + if uncluttered_buffer == 1 + return 1 + endif + endif + + if version >= "600" + if &buftype != '' + return 1 + endif + endif + + if &ft == 'perforce' + return 1 + endif + + if &ft == 'svn' + return 1 + endif + + if &ft == 'gitcommit' + return 1 + endif + + return 0 +endfun "}}}2 + +fun! Startup_Resize() "{{{2 + let l:columns = 0 + + " Resize for numbers. + if &number + if version >= "700" && has("linebreak") + let l:columns = &numberwidth + else + let l:columns = 8 + endif + endif + + " Resize for signs. + if has("signs") + if g:marksigns + if version >= "600" + let l:columns = l:columns + 2 + endif + endif + endif + + if g:oldcols < (80 + l:columns) + call Resize_Columns("+", l:columns) + endif +endfun "}}}2 + +" Change status bar colour when various things happen. +" Flags: H/h: Cursor held/moved. +" 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() + + " Change the status based on the flag. XXX: Does Vim let us to do flags? + let l:ic = &ic + set ic + let b:iainstatus = substitute(b:iainstatus, a:flag, a:flag, "") + let &ic = l:ic + + let l:normalcolour = "darkblue" + let l:editingcolour = "darkmagenta" + let l:replacecolour = "purple" + let l:warningcolour = "darkred" + let l:readonlycolour = "red" + + if b:iainstatus =~# "I" + if v:insertmode == "r" + let l:editingcolour = l:replacecolour + endif + endif + + " Default colour. + let l:colour = l:normalcolour + " Maybe override depending on status. + if b:iainstatus =~# "H" + if b:iainstatus =~# "I" + " Held in insert mode. Add extra highlight if we don't have focus. + if b:iainstatus =~# "f" + let l:colour = l:warningcolour + else + let l:colour = l:editingcolour + endif + endif + else + if b:iainstatus =~# "I" + " Regular insert mode. + let l:colour = l:editingcolour + endif + endif + + " Override again if readonly. + if l:colour != l:normalcolour + if getbufvar("", "&ro") + let l:colour = l:readonlycolour + endif + endif + + let l:termcolour = Iain_Colour(l:colour) + + exec "highlight StatusLine gui=none term=none cterm=none guifg=white guibg=" . l:colour . " ctermfg=white ctermbg=" . l:termcolour + exec "highlight User1 gui=bold term=bold cterm=bold guifg=white guibg=" . l:colour . " ctermfg=white ctermbg=" . l:termcolour +endfun "}}}2 + +fun! Iain_Colour(colour) "{{{2 + if &t_Co == 88 + if a:colour == "darkblue" + return 17 + elseif a:colour == "darkmagenta" + return 33 + elseif a:colour == "purple" + return 35 + elseif a:colour == "darkred" + return 32 + elseif a:colour == "red" + return 64 + endif + elseif &t_Co == 256 + if a:colour == "darkblue" + return 17 + elseif a:colour == "darkmagenta" + return 90 + elseif a:colour == "purple" + return 57 + elseif a:colour == "darkred" + return 88 + elseif a:colour == "red" + return 196 + endif + else + " Colours which cterm*g doesn't recognise. + if a:colour == "purple" + return "magenta" + endif + return a:colour endif - if ! exists("b:iainhex") - let b:iainhex = 0 +endfun "}}}2 + +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 + +" Reuse windows when using sbuffer. +se switchbuf=useopen + +" Vim 5 requires a 'n setting for viminfo. +if ! &viminfo + se viminfo='100 +endif + +" Allow persistent variable saving for localvimrc. +se viminfo+=! + +" Do we have Unicode? +fun! Has_Unicode() "{{{2 + if ! has('multi_byte') + return 0 + endif + + if version < "602" + return 0 endif - if ! exists("b:iainverbose") - let b:iainverbose = 0 + + if &tenc =~? '^u\(tf\|cs\)' + return 1 endif - if ! exists("b:iainstatus") - " Window Flags: (F)ocused, (I)nsert mode, Cursor (H)old. - let b:iainstatus = "Fih" + + if ! strlen(&tenc) && &enc =~? '^u\(tf\|cs\)' + return 1 endif -endfun + + return 0 +endfun "}}}2 + +" Helper for status line. +" Show file encoding +fun! Show_Encoding() "{{{2 + if version < "600" + return "" + endif + + let l:enc = &fenc + let l:symbol = "" + if l:enc == "" + let l:enc = &enc + if l:enc == "" + return "" + endif + if bufname("%") == "" + if Has_Unicode() + let l:symbol = '•' + else + let l:symbol = '*' + endif + endif + endif + + if has("multi_byte") + if &bomb + if Has_Unicode() + let l:symbol = "☻" + else + let l:symbol = "@" + endif + endif + endif + + " Don't return anything if the encoding is utf-8. + if l:enc == "utf-8" + if l:symbol == "" + return "" + endif + endif + + return l:symbol . l:enc . "," +endfun "}}}2 " Helper for status line. " Show space, underscore or dollar sign depending on list mode. -fun! Show_List() +fun! Show_List() "{{{2 call Iain_Vars() - if b:iainlist == 0 + if w:iainlist == 0 " No list. - return " " - elseif b:iainlist == 1 - " Just tabs. - return "_" + return "" + elseif Has_Unicode() + if w:iainlist == 1 + " Just tabs. + return "»" + else + " Full list. + return "¶" + endif else - " Full list. - return "\$" + if w:iainlist == 1 + return "_" + else + return "\$" + endif endif -endfun +endfun "}}}2 " Helper for status line. " Show c or C to denote case-sensitivity. -fun! Show_Case() +fun! Show_Case() "{{{2 if &ic return "c" else return "C" endif -endfun +endfun "}}}2 + +" Helper for status line. +" Mark DOS buffers. +fun! Show_DOS() "{{{2 + if &ff == "unix" + return "" + endif + return &ff . "," +endfun "}}}2 " Helper for status line. " Show the size of the tabstop. -fun! Show_Tabstop() +fun! Show_Tabstop() "{{{2 return &ts -endfun +endfun "}}}2 " Helper for status line. " Show p when paste mode is on. -fun! Show_Paste() +fun! Show_Paste() "{{{2 if &paste return "p" else return "" endif -endfun +endfun "}}}2 -" Show the status line. -fun! Show_StatusLine() - call Iain_Vars() - let sl1='%2n\:\ %<%f\ [%{Show_List()}%{Show_Case()}%{Show_Tabstop()}%{Show_Paste()}%Y%M%R]\ %=' - let sl3='L:%4.6l/%-4.6L\ C:%3.6c\ \|\ %P' - let hexformat='%b' - if b:iainhex - let hexformat='0\x%02B' +" 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 b:iainverbose - let sl2=hexformat . '\ \|\ P:%4.6o\ ' + + if &ve == "all" + return "V" + elseif &ve != '' + return "v" else - let sl2='' + return "" endif - exec "set statusline=" . sl1 . sl2 . sl3 -endfun +endfun "}}}2 -" Toggle case-sensitivity. -fun! Invert_Case() - let &ic = ! &ic -endfun +" 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 -" Restore window size. -au VimLeave * if exists("oldcols") | let &columns=oldcols | endif + if &undofile + return "U" + elseif filereadable(undofile(expand("%"))) + return "u" + else + return "" + endif +endfun "}}}2 -" Map Makefile mode. -au BufEnter * if &ft == "make" | call MakeMode_map() | endif -au BufLeave * if &ft == "make" | call MakeMode_unmap() | 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 -" Entering Make mode. -fun! MakeMode_map() - set list - set noexpandtab -endfun + return " " . l:alt . ": " . expand("#:t") +endfun "}}}2 -" Leaving Make mode. -fun! MakeMode_unmap() - set nolist - set expandtab -endfun +" 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 for the first time. -call Show_StatusLine() +" Helper for status line. +" Show marker if searchforward is unset. +fun! Show_SearchForward() "{{{2 + if version >= "702" + if ! v:searchforward + if Has_Unicode() + return "∆" + else + return "^" + endif + endif + endif + return "" +endfun "}}}2 -" Function to create mappings with either a hardcoded \ or . -fun! Mapping(keysequence,mapping) - if version >= "600" - exec "map \\" . a:keysequence . " " . a:mapping - else - exec "map " . a:keysequence . " " . a:mapping +" Helper for status line. +" Show marks set in cursor line. +fun! Show_Marks() "{{{2 + if ! exists("g:iainsigns") + return "" endif -endfun -" Use - and = to create underlines. -call Mapping("-", "yyp:s/./-/g:let @/='':") -call Mapping("=", "yyp:s/./=/g:let @/='':") - -" Change to ts=2 with \2. -call Mapping("2", ":se ts=2:") -" Change to ts=4 with \4. -call Mapping("4", ":se ts=4:") -" Change to ts=8 with \8. -call Mapping("8", ":se ts=8:") -" Change to ts=16 with \6. -call Mapping("6", ":se ts=16:") -" Change to ts=32 with \3. -call Mapping("3", ":se ts=32:") -" Toggle paste mode with \p. -call Mapping("p", ":se paste!:") -" Swap case-sensitivity with \c. -call Mapping("c", ":call Invert_Case():") -" Change number mode with \n. -call Mapping("n", ":se number!:") -" Expand or shrink window size with \> and \<. For use after toggling number. -call Mapping(">", ":exe 'se columns+=' . numberwidth:") -call Mapping("<", ":exe 'se columns-=' . numberwidth:") -" Clear search pattern with \/. -call Mapping("/", ":let @/=\"\":") + let l:marks = "" + + let l:signs = g:iainsigns + let l:sign = "" + let l:cursorline = line(".") + while strlen(l:signs) + let l:sign = matchstr(l:signs, '^[A-Za-z]\+\(:.\)*[.=>-][^ ]\+') + let l:sign = substitute(l:sign, '^[A-Za-z]\+', "", "") + let l:ascii = matchstr(l:sign, '^:.') + let l:mark = substitute(l:sign, '^\(:.\)*[.=>-]', "", "") + if strlen(l:ascii) + let l:ascii = substitute(l:ascii, '^:', "", "") + else + let l:ascii = l:mark + endif + let l:ascii = substitute(l:ascii, '"', '\\"', "") -" Forget the Ex mode mapping. -map Q + if l:ascii == "o" + let l:line = "." + else + let l:line = "'" . l:ascii + 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\") . \">\"") + " Ignore cursor line which will always match. + if l:line != "." + if l:cursorline == line(l:line) + let l:marks = l:marks . l:mark + endif + endif -endif + let l:signs = substitute(l:signs, '^[^ ]\+ *', "", "") + endwhile + + if l:marks == "" + return "" + else + return "M:" . l:marks . " " + endif +endfun "}}}2 + +" Show the status line. +fun! Show_StatusLine() "{{{2 + if ! has("statusline") + return + endif + call Iain_Vars() + + " User{N} highlights %{N}*. + " Named highlight groups %#group% aren't available until Vim 7. + let l:normal = '%0*' + let l:bold = '%1*' + + " sl1 contains left-aligned stuff. + " sl2 contains stuff shown only when verbose mode is enabled. + " sl3 contains right-aligned stuff. + let l:sl1='%2n\:\ %<' . l:bold . '%f' . l:normal . '\ [%{Show_Encoding()}%{Show_DOS()}%{Show_List()}%{Show_Bind()}%{Show_Case()}%{Show_Tabstop()}%{Show_Paste()}%{Show_VirtualEdit()}%{Show_Undo()}%Y%M%R%{Show_SearchForward()}]%{Show_Alt()}\ ' + let l:sl3='%{Show_Marks()}L:' . l:bold . '%4.6l' . l:normal . '/%-4.6L\ C:' . l:bold . '%3.6c%V' . l:normal . '\ \|\ %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 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" " Handle options only available in Vim 6 and above. """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" -if version >= "600" +if version >= "600" "{{{1 version 6.0 +if has("win32") || has("win64") + se encoding=utf-8 +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 - -" Nice GUI colour. -if has("gui_running") - se guifont=DejaVu\ Sans\ Mono\ 10 - colo darkblue -elseif &t_Co > 16 +if has("syntax") + " The :syntax enable command tries to source the syntax.vim runtime script. + " Parsing this .vimrc will fail if for some reason the runtime doesn't + " exist, as could be the case if the binary was installed with no support + " files. GNU On Windows is one example of an incomplete installation. try - colo iain + syn enable catch endtry endif -if has("win32") - se guifont=DejaVu_Sans_Mono:h10:cANSI + +" Set colours. +if has("gui_running") + if has("win32") || has("win64") + exe "silent se guifont=DejaVu_Sans_Mono:h10:cANSI" + else + exe "silent se guifont=DejaVu\\ Sans\\ Mono\\ 10" + endif +endif +if has("gui_running") || &t_Co > 16 + exe "silent colo iain" endif " Ignore whitespace when diffing. -se diffopt=filler,iwhite - -" Expand window when doing a vertical diff. -if &diff - let &columns = 164 +if has("diff") + se diffopt=filler,iwhite endif -" Numbers in blue. -highlight LineNr term=underline cterm=bold guifg=blue ctermfg=blue - -" Remember that we are opening the quickfix window. -au BufWinEnter quickfix let g:quickfixing=1 -au 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 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") vnoremap # y?\V=substitute(escape(@@,"?\\"),"\n","\\\\n","ge") +" Set mark and update highlighting. +if has("signs") + au Signs BufReadPost * call Highlight_Signs() + au Signs CursorHold * call Highlight_Signs() +endif + +" Helper to set buffer variable for a given sign. +fun! Prep_Sign(sign) "{{{2 + if ! exists("b:sign" . a:sign) || ! g:marksigns + exe "let b:sign" . a:sign . "=0" + endif +endfun "}}}2 + +fun! Place_Sign(number, line, old, name) "{{{2 + if a:line == a:old + return a:old + endif + + exe "sign unplace " . (g:firstsign + a:number) . " buffer=" . bufnr("") + " Don't place the sign if it would conflict with the last change sign. + exe "sign place " . (g:firstsign + a:number) . " line=" . a:line . " name=" . a:name . " buffer=" . bufnr("") + return a:line +endfun "}}}2 + +fun! Highlight_Signs(...) "{{{2 + if ! has("signs") || ! g:marksigns || Uncluttered_Buffer() + return + endif + + let l:signs = g:iainsigns + let l:sign = "" + let l:i = 0 + while strlen(l:signs) + let l:sign = matchstr(l:signs, '^[A-Za-z]\+\(:.\)*[.=>-][^ ]\+') + + let l:name = substitute(l:sign, '[:.=>-].*', "", "") + let l:var = tolower(l:name) + let l:sign = substitute(l:sign, '^[A-Za-z]\+', "", "") + let l:ascii = matchstr(l:sign, '^:.') + let l:mark = substitute(l:sign, '^\(:.\)*[.=>-]', "", "") + if strlen(l:ascii) + let l:ascii = substitute(l:ascii, '^:', "", "") + else + let l:ascii = l:mark + endif + let l:ascii = substitute(l:ascii, '"', '\\"', "") + + if l:ascii == "o" + let l:line = "." + else + let l:line = "'" . l:ascii + endif + + call Prep_Sign(l:var) + exe "let " . l:var . " = Place_Sign(" . l:i . ", line(\"" . l:line . "\"), b:sign" . l:var . ", \"Mark" . l:name . "\")" + let l:i = l:i + 1 + + let l:signs = substitute(l:signs, '^[^ ]\+ *', "", "") + endwhile +endfun "}}}2 + +" Toggle signs. +fun! Cycle_Signs(resize) "{{{2 + if ! has("signs") + return + endif + call Iain_Vars() + let g:marksigns = ! g:marksigns + + " Retrofit arrays on to Vim 6. + if ! exists("g:iainsigns") + " Signs are defined in g:iainsigns. The syntax is as follows: + " + " Sign ::= Name (':' Mark)* Type Symbol + " Type ::= '=' | '-' | '.' + " + " Signs with Type '=' will be highlighted with the MarkSign group. + " Signs with Type '-' will be highlighted with the MarkLine group. + " Signs with Type '.' will be highlighted with the MarkDot group. + " Signs with Type '>' will be highlighted with the MarkArrow group. + " Define the Mark where Symbol is not also the mark name, eg "']". + let g:iainsigns = "Less=< Greater=> Left=( Right=) SquareLeft=[ SquareRight=] BraceLeft={ BraceRight=} a-a b-b c-c d-d e-e f-f A-A B-B C-C D-D E-E F-F" + if Has_Unicode() + let g:iainsigns = g:iainsigns . " Quote:\"=” Dash:'=’ Caret:^.ʌ Dot:..•" + if version < "704" + let g:iainsigns = g:iainsigns ." Cursor:o>▶" + endif + else + let g:iainsigns = g:iainsigns . " Quote=\" Dash=' Caret.^ Dot:..*" + if version < "704" + let g:iainsigns = g:iainsigns ." Cursor>o" + endif + endif + endif + + if g:marksigns + " Signs to highlight marks. + " Syntax won't work properly in Vim 6. + let l:signs = g:iainsigns + let l:sign = "" + while strlen(l:signs) + let l:sign = matchstr(l:signs, '^[A-Za-z]\+\(:.\)*[.=>-][^ ]\+') + + let l:name = substitute(l:sign, '[:.=>-].*', "", "") + let l:sign = substitute(l:sign, '^[A-Za-z]\+', "", "") + let l:ascii = matchstr(l:sign, '^:.') + let l:mark = substitute(l:sign, '^\(:.\)*[.=>-]', "", "") + if strlen(l:ascii) + let l:ascii = substitute(l:ascii, '^:', "", "") + let l:ascii = matchstr(l:ascii, '^.') + else + let l:ascii = l:mark + endif + let l:ascii = substitute(l:ascii, '"', '\\"', "") + let l:type = substitute(l:sign, '^:.', "", "") + let l:type = matchstr(l:type, '^.') + + let l:hl = "" + if l:type == "=" + let l:hl = "texthl=MarkSign text=" + elseif l:type == "." + let l:hl = "texthl=MarkDot text=" + elseif l:type == "-" + let l:hl = "texthl=MarkLine text=" + elseif l:type == ">" + let l:hl = "texthl=MarkArrow text=" + endif + + exe "sign define Mark" . l:name . " " . l:hl . l:mark + + let l:signs = substitute(l:signs, '^[^ ]\+ *', "", "") + endwhile + + if a:resize + call Resize_Columns("+", 2) + endif + call Highlight_Signs() + else + let l:i = 0 + while l:i < 25 + exe "sign unplace " . (g:firstsign + l:i) + let l:i = l:i + 1 + endwhile + + let l:signs = g:iainsigns + let l:sign = "" + while strlen(l:signs) + let l:sign = matchstr(l:signs, '^[A-Za-z]\+') + + exe "sign undefine Mark" . l:sign + call Prep_Sign(tolower(l:sign)) + let l:signs = substitute(l:signs, '^[^ ]\+ *', "", "") + endwhile + + if a:resize + call Resize_Columns("-", 2) + endif + endif +endfun "}}}2 + " Change list mode. -fun! Cycle_List() - let basic='tab:\\_,trail:_,extends:<,precedes:>' +fun! Cycle_List() "{{{2 + " Pretty UTF-8 listchars. + if Has_Unicode() + let basic='tab:»·,trail:…,extends:«,precedes:»' + let eol='eol:¶' + if version >= "700" + let basic=basic . ',nbsp:•' + endif + else + let basic='tab:\\_,trail:_,extends:<,precedes:>' + let eol='eol:$' + if version >= "700" + let basic=basic . ',nbsp:+' + endif + endif call Iain_Vars() - let b:iainlist = b:iainlist + 1 - if b:iainlist > 2 - let b:iainlist = 0 - endif - if b:iainlist == 0 - set nolist - elseif b:iainlist == 1 - exec "set lcs=" . basic - set list + let w:iainlist = w:iainlist + 1 + if w:iainlist > 2 + let w:iainlist = 0 + endif + if w:iainlist == 0 + setlocal nolist + elseif w:iainlist == 1 + exec "setlocal lcs=" . basic + setlocal list else - exec "set lcs=" . basic . ",eol:$" - set list + exec "setlocal lcs=" . basic . "," . eol + setlocal list endif -endfun + + call Resize_Columns(Extra_Columns("list", "iainlist", " == 2"), 1) + call Extra_Whitespace_Match() +endfun "}}}2 " Cycle between hex and decimal display of toolbar stuff. -fun! Cycle_HexStatusLine() +fun! Cycle_HexStatusLine() "{{{2 call Iain_Vars() let b:iainhex = ! b:iainhex call Show_StatusLine() -endfun +endfun "}}}2 " Cycle verbose display of toolbar stuff. -fun! Cycle_VerboseStatusLine() +fun! Cycle_VerboseStatusLine() "{{{2 call Iain_Vars() let b:iainverbose = ! b:iainverbose call Show_StatusLine() -endfun +endfun "}}}2 " Toggle quickfix window. -fun! Cycle_Quickfix() +fun! Cycle_Quickfix() "{{{2 + if ! has("quickfix") + return + endif if g:quickfixing == 1 cclose let g:quickfixing=0 else copen endif -endfun +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():") +call Mapping("x", ":call Cycle_HexStatusLine()") " Change statusline verbosity with \v. -call Mapping("v", ":call Cycle_VerboseStatusLine():") +call Mapping("V", ":call Cycle_VerboseStatusLine()") " Cycle list styles with \l. -call Mapping("l", ":call Cycle_List():") +call Mapping("l", ":call Cycle_List()") " Toggle tags with \t. call Mapping("t", ":Tlist") " Change foldmethod with \f. -call Mapping("f", ":se foldenable!:") +call Mapping("f", ":se foldenable!") " Toggle quickfix window with \q. -call Mapping("q", ":call Cycle_Quickfix():") +call Mapping("q", ":call Cycle_Quickfix()") " Rerun filetype detection with \s. The s is for syntax, as this will be " updated as a side-effect. -call Mapping("s", ":filetype detect:") +call Mapping("S", ":filetype detect") +" Toggle marks with \m. +call Mapping("m", ":call Cycle_Signs(1)") -" Change status bar colour when various things happen. -fun! Highlight_StatusLine(flag) - " Get current status. - call Iain_Vars() +if has("autocmd") + " Show signs by default. + au Display VimEnter * call Cycle_Signs(0) +endif - " Change the status based on the flag. XXX: Does Vim let us to do flags? - let re = "[" . tolower(a:flag) . toupper(a:flag) . "]" - let b:iainstatus = substitute(b:iainstatus, re, a:flag, "") +" move. +nmap MoveLineHalfPageUp +nmap MoveLineHalfPageDown +vmap MoveBlockHalfPageUp +vmap MoveBlockHalfPageDown +endif "}}}1 - " Default colour. - let s:colour = "darkblue" - let s:termcolour = "" - let s:term88colour = "17" - let s:term256colour = "17" - " Maybe override depending on status. - if b:iainstatus =~# "H" - if b:iainstatus =~# "I" - " Held in insert mode. Add extra highlight if we don't have focus. - if b:iainstatus =~# "f" - let s:colour = "darkmagenta" - else - let s:colour = "darkred" - endif - let s:term88colour = "32" - let s:term256colour = "88" +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +" Handle options only available in Vim 7 and above. +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +if version >= "700" "{{{1 +version 7.0 + +" Narrow buffer with \w. +call Mapping("w", ":NarrowRegion", "n", "v") +" Narrow window with \W. +call Mapping("W", ":NarrowWindow", "n", "v") + +" Helper to show tab name. +fun! TabName(label, gui) "{{{2 + let l:label = a:label + if l:label == "" + let l:label = "No Name" + if a:gui + let l:label = "[" . l:label . "]" endif else - if b:iainstatus =~# "I" - " Regular insert mode. - let s:colour = "darkred" - let s:term88colour = "32" - let s:term256colour = "88" + let l:label = fnamemodify(l:label, ":t") + if strlen(l:label) >= 18 + let l:label = l:label[0:17] . ".." endif endif - - if &t_Co == 88 - let s:termcolour = s:term88colour - elseif &t_Co == 256 - let s:termcolour = s:term256colour + return l:label +endfun "}}}2 + +" Find out if any buffer was modified. +fun! TabModified(buflist) "{{{2 + let l:i = 0 + while l:i < len(a:buflist) + if getbufvar(a:buflist[l:i], "&modified") == 1 + return "+" + endif + let l:i = l:i + 1 + endwhile + return "" +endfun "}}}2 + +" Tab line. +fun! Show_TabLine() "{{{2 + let l:s = "%#TabLineFill#Tabs:" + + let l:i = 0 + while l:i < tabpagenr("$") + let l:i = l:i + 1 + " Get the label. + let l:buflist = tabpagebuflist(l:i) + let l:winnr = tabpagewinnr(l:i) + let l:n = tabpagewinnr(l:i, "$") + let l:label = TabName(bufname(l:buflist[l:winnr - 1]), 0) + let l:modified = TabModified(l:buflist) + + " Choose highlighting. + if l:i == tabpagenr() + let l:s .= "%#TabLineSel#[" . l:n . l:modified . " " . l:label . "]" + else + let l:s .= "%#TabLine# " . l:n . l:modified . " " . l:label . " " + endif + endwhile + + " Padding. + let l:s .= "%#TabLine#%T" + return l:s +endfun "}}}2 + +" Per tab label for the GUI. +fun! Show_GUITabLine() "{{{2 + let l:buflist = tabpagebuflist(v:lnum) + let l:winnr = tabpagewinnr(v:lnum) + let l:s = tabpagewinnr(v:lnum, "$") + let l:label = TabName(bufname(l:buflist[l:winnr - 1]), 1) + let l:modified = TabModified(l:buflist) + + let l:s .= l:modified . " " . l:label + return l:s +endfun "}}}2 + +" Handle searching in a BufExplorer window. +fun! BufExplorer_Search(n) "{{{2 + if a:n == 0 + let l:re = '^ *\d %' else - let s:termcolour = s:colour + let l:re = "^ *" . a:n + endif + + " Find matching line. + let l:line = search(l:re, 'w') + if ! l:line + return + endif + + if a:n == 0 + return + endif + + " 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 - exec "highlight StatusLine guifg=white guibg=" . s:colour . " ctermbg=white ctermfg=" . s:termcolour -endfun + " 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 -call Highlight_StatusLine("") +if has("windows") + se tabline=%!Show_TabLine() + se guitablabel=%!Show_GUITabLine() endif -"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" -" Handle options only available in Vim 7 and above. -"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" -if version >= "700" -version 7.0 +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 InsertChange * call Highlight_StatusLine("I") + au StatusLine InsertLeave * call Highlight_StatusLine("i") + + if has("signs") + au Signs CursorHoldI * call Highlight_Signs() + au Signs InsertEnter * call Highlight_Signs() + au Signs InsertLeave * call Highlight_Signs() + endif -au CursorHoldI * call Highlight_StatusLine("H") -au CursorMovedI * call Highlight_StatusLine("h") -au FocusGained * call Highlight_StatusLine("F") -au FocusLost * call Highlight_StatusLine("f") -au InsertEnter * call Highlight_StatusLine("I") -au InsertLeave * call Highlight_StatusLine("i") + au Mode BufEnter \[BufExplorer\] call BufExplorer_Map() +endif + +" Limit the size of the popup menu when completing. +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 :tabPrev +map gb :tabprevious: + +" Transparency. +if has("gui_macvim") + se transparency=15 +endif + +" Yet more GUI options. Add tabs. +if has("gui") + se go+=e +endif + +" Perforce. +let g:p4EnableMenu=1 +let g:p4Presets='P4CONFIG' + +" BufExplorer. +let g:bufExplorerShowRelativePath=1 +let g:bufExplorerSplitOutPathName=0 + +" NERDcommenter. +let g:NERDSpaceDelims=1 + +" localvimrc. +let g:localvimrc_persistent=1 + +" Gitv. +let g:Gitv_OpenHorizontal='auto' +let g:Gitv_WipeAllOnClose=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()") + +" Toggle gundo window with \g. +call Mapping("g", ":call gundo#GundoToggle()") + +" 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 + +" Mapping to reload the gundo window. +if has("autocmd") + au Mode BufEnter * if &ft == "gundo" | try | nnoremap r :call gundo#GundoToggle():call gundo#GundoToggle() | catch | endtry | endif +endif + +endif "}}}1 +" +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +" Handle options only available in Vim 7.4 and above. +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" +if version >= "704" "{{{1 +version 7.4 + +if has("syntax") + se cursorline +endif + +endif "}}}1 + +" Resize after startup. +if version >= "500" "{{{1 +if has("autocmd") + au Display VimEnter * call Startup_Resize() endif +endif "}}}1