" Look for ctags in home directory first.
se tags=~/.tags,./tags,tags
-" Use - and = to create underlines.
-map - yyp:s/./-/g<RETURN>:let @/=''<RETURN>:<RETURN>
-map = yyp:s/./=/g<RETURN>:let @/=''<RETURN>:<RETURN>
+" Don't timeout waiting to interpet, eg, <ESC>OA as an escape code.
+se ttimeoutlen=100
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
" Handle options only available in Vim 5 and above.
if version >= "500"
version 5.0
+" Tell Vim we use dark backgrounds in our terminals.
+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
+
" Vim 5 hardcodes the size of numbers column to 8.
let numberwidth=8
" Save sessions in UNIX format with / as file separator. This is
-" cross-platoform.
+" cross-platform.
se ssop+=unix,slash
" Nuke any pre-existing autocommands.
" Highlight search results.
se hlsearch
-" Syntax highlighting.
-syn on
+" Syntax highlighting. New versions will use syn enable instead.
+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
" Catch typos.
command! W :w
if ! exists("b:iainverbose")
let b:iainverbose = 0
endif
+ if ! exists("b:iainstatus")
+ " Window Flags: (F)ocused, (I)nsert mode, Cursor (H)old.
+ let b:iainstatus = "Fih"
+ endif
endfun
" Helper for status line.
" Show the status line for the first time.
call Show_StatusLine()
-" Change to ts=2 with Q2.
-map Q2 :se ts=2<CR>:<CR>
-" Change to ts=4 with Q4.
-map Q4 :se ts=4<CR>:<CR>
-" Change to ts=8 with Q8.
-map Q8 :se ts=8<CR>:<CR>
-" Change to ts=16 with Q6.
-map Q6 :se ts=16<CR>:<CR>
-" Change to ts=32 with Q3.
-map Q3 :se ts=32<CR>:<CR>
-" Toggle paste mode with Qp.
-map Qp :se paste!<CR>:<CR>
-" Swap case-sensitivity with Qc.
-map Qc :call Invert_Case()<CR>:<CR>
-" Change number mode with Qn.
-map Qn :se number!<CR>:<CR>
-" Expand or shrink window size with Q> and Q<. For use after toggling number.
-map Q> :exe 'se columns+=' . numberwidth<CR>:<CR>
-map Q< :exe 'se columns-=' . numberwidth<CR>:<CR>
-" Clear search pattern with Q/.
-map Q/ :let @/=""<CR>:<CR>
+" Function to create mappings with either a hardcoded \ or <Leader>.
+fun! Mapping(keysequence,mapping)
+ if version >= "600"
+ exec "map \\" . a:keysequence . " " . a:mapping
+ else
+ exec "map <Leader>" . a:keysequence . " " . a:mapping
+ endif
+endfun
+
+" Use - and = to create underlines.
+call Mapping("-", "yyp:s/./-/g<RETURN>:let @/=''<RETURN>:<RETURN>")
+call Mapping("=", "yyp:s/./=/g<RETURN>:let @/=''<RETURN>:<RETURN>")
+
+" Change to ts=2 with \2.
+call Mapping("2", ":se ts=2<CR>:<CR>")
+" Change to ts=4 with \4.
+call Mapping("4", ":se ts=4<CR>:<CR>")
+" Change to ts=8 with \8.
+call Mapping("8", ":se ts=8<CR>:<CR>")
+" Change to ts=16 with \6.
+call Mapping("6", ":se ts=16<CR>:<CR>")
+" Change to ts=32 with \3.
+call Mapping("3", ":se ts=32<CR>:<CR>")
+" Toggle paste mode with \p.
+call Mapping("p", ":se paste!<CR>:<CR>")
+" Swap case-sensitivity with \c.
+call Mapping("c", ":call Invert_Case()<CR>:<CR>")
+" Change number mode with \n.
+call Mapping("n", ":se number!<CR>:<CR>")
+" Expand or shrink window size with \> and \<. For use after toggling number.
+call Mapping(">", ":exe 'se columns+=' . numberwidth<CR>:<CR>")
+call Mapping("<", ":exe 'se columns-=' . numberwidth<CR>:<CR>")
+" Clear search pattern with \/.
+call Mapping("/", ":let @/=\"\"<CR>:<CR>")
+
+" Forget the Ex mode mapping.
+map Q <NOP>
endif
if version >= "600"
version 6.0
+" Remember quickfix state.
+let g:quickfixing=0
+
" Set indenting by filetype.
filetype indent on
" Nice GUI colour.
if has("gui_running")
- se guifont=Bitstream\ Vera\ Sans\ Mono\ 10
+ se guifont=DejaVu\ Sans\ Mono\ 10
colo darkblue
+elseif &t_Co > 16
+ colo iain
endif
if has("win32")
- se guifont=Bitstream_Vera_Sans_Mono:h10:cANSI
+ se guifont=DejaVu_Sans_Mono:h10:cANSI
endif
" Ignore whitespace when diffing.
let &columns = 164
endif
-" Status bar matches the colour.
-highlight StatusLine guifg=white guibg=blue ctermbg=white ctermfg=blue
-
" 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
+
" Make * and # work the way you expect in visual mode.
vnoremap * y/\V<C-R>=substitute(escape(@@,"/\\"),"\n","\\\\n","ge")<CR><CR>
vnoremap # y?\V<C-R>=substitute(escape(@@,"?\\"),"\n","\\\\n","ge")<CR><CR>
call Show_StatusLine()
endfun
-" We use Q for various commands. Unmap it.
-" Vim 5 won't let us unmap this as it treats Q as an ambiguous mapping (because
-" Qx also exists. With Vim 5 you are rewarded with Ex mode if you don't type
-" the Qx sequence quickly enough. Vim 6 allows us to forget the Ex mapping.
-map Q <Nop>
-
-" Swap hex/decimal statusline with Qx
-map Qx :call Cycle_HexStatusLine()<CR>:<CR>
-" Change statusline verbosity with Qv
-map Qv :call Cycle_VerboseStatusLine()<CR>:<CR>
-" Cycle list styles with Ql.
-map Ql :call Cycle_List()<CR>:<CR>
-" Toggle tags with Qt.
-map Qt :Tlist<CR>
-" Change foldmethod with Qf.
-map Qf :se foldenable!<CR>:<CR>
+" Toggle quickfix window.
+fun! Cycle_Quickfix()
+ if g:quickfixing == 1
+ cclose
+ let g:quickfixing=0
+ else
+ copen
+ endif
+endfun
+
+" Swap hex/decimal statusline with \x.
+call Mapping("x", ":call Cycle_HexStatusLine()<CR>:<CR>")
+" Change statusline verbosity with \v.
+call Mapping("v", ":call Cycle_VerboseStatusLine()<CR>:<CR>")
+" Cycle list styles with \l.
+call Mapping("l", ":call Cycle_List()<CR>:<CR>")
+" Toggle tags with \t.
+call Mapping("t", ":Tlist<CR>")
+" Change foldmethod with \f.
+call Mapping("f", ":se foldenable!<CR>:<CR>")
+" Toggle quickfix window with \q.
+call Mapping("q", ":call Cycle_Quickfix()<CR>:<CR>")
+" Rerun filetype detection with \s. The s is for syntax, as this will be
+" updated as a side-effect.
+call Mapping("s", ":filetype detect<CR>:<CR>")
+
+" Change status bar colour when various things happen.
+fun! Highlight_StatusLine(flag)
+ " Get current status.
+ call Iain_Vars()
+
+ " 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, "")
+
+ " 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"
+ endif
+ else
+ if b:iainstatus =~# "I"
+ " Regular insert mode.
+ let s:colour = "darkred"
+ let s:term88colour = "32"
+ let s:term256colour = "88"
+ endif
+ endif
+
+ if &t_Co == 88
+ let s:termcolour = s:term88colour
+ elseif &t_Co == 256
+ let s:termcolour = s:term256colour
+ else
+ let s:termcolour = s:colour
+ endif
+ exec "highlight StatusLine guifg=white guibg=" . s:colour . " ctermbg=white ctermfg=" . s:termcolour
+endfun
+
+call Highlight_StatusLine("")
endif
""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
if version >= "700"
version 7.0
+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")
+
" Make diffs vertical by default.
se diffopt+=vertical