/
additions_for_your_.vimrc
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additions_for_your_.vimrc
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"====[ Make the 81st column stand out ]====================
" EITHER the entire 81st column, full-screen...
highlight ColorColumn ctermbg=magenta
set colorcolumn=81
" OR ELSE just the 81st column of wide lines...
highlight ColorColumn ctermbg=magenta
call matchadd('ColorColumn', '\%81v', 100)
" OR ELSE on April Fools day...
highlight ColorColumn ctermbg=red ctermfg=blue
exec 'set colorcolumn=' . join(range(2,80,3), ',')
"=====[ Highlight matches when jumping to next ]=============
" This rewires n and N to do the highlighing...
nnoremap <silent> n n:call HLNext(0.4)<cr>
nnoremap <silent> N N:call HLNext(0.4)<cr>
" EITHER blink the line containing the match...
function! HLNext (blinktime)
set invcursorline
redraw
exec 'sleep ' . float2nr(a:blinktime * 1000) . 'm'
set invcursorline
redraw
endfunction
" OR ELSE ring the match in red...
function! HLNext (blinktime)
highlight RedOnRed ctermfg=red ctermbg=red
let [bufnum, lnum, col, off] = getpos('.')
let matchlen = strlen(matchstr(strpart(getline('.'),col-1),@/))
echo matchlen
let ring_pat = (lnum > 1 ? '\%'.(lnum-1).'l\%>'.max([col-4,1]) .'v\%<'.(col+matchlen+3).'v.\|' : '')
\ . '\%'.lnum.'l\%>'.max([col-4,1]) .'v\%<'.col.'v.'
\ . '\|'
\ . '\%'.lnum.'l\%>'.max([col+matchlen-1,1]) .'v\%<'.(col+matchlen+3).'v.'
\ . '\|'
\ . '\%'.(lnum+1).'l\%>'.max([col-4,1]) .'v\%<'.(col+matchlen+3).'v.'
let ring = matchadd('RedOnRed', ring_pat, 101)
redraw
exec 'sleep ' . float2nr(a:blinktime * 1000) . 'm'
call matchdelete(ring)
redraw
endfunction
" OR ELSE briefly hide everything except the match...
function! HLNext (blinktime)
highlight BlackOnBlack ctermfg=black ctermbg=black
let [bufnum, lnum, col, off] = getpos('.')
let matchlen = strlen(matchstr(strpart(getline('.'),col-1),@/))
let hide_pat = '\%<'.lnum.'l.'
\ . '\|'
\ . '\%'.lnum.'l\%<'.col.'v.'
\ . '\|'
\ . '\%'.lnum.'l\%>'.(col+matchlen-1).'v.'
\ . '\|'
\ . '\%>'.lnum.'l.'
let ring = matchadd('BlackOnBlack', hide_pat, 101)
redraw
exec 'sleep ' . float2nr(a:blinktime * 1000) . 'm'
call matchdelete(ring)
redraw
endfunction
" OR ELSE just highlight the match in red...
function! HLNext (blinktime)
let [bufnum, lnum, col, off] = getpos('.')
let matchlen = strlen(matchstr(strpart(getline('.'),col-1),@/))
let target_pat = '\c\%#'.@/
let ring = matchadd('WhiteOnRed', target_pat, 101)
redraw
exec 'sleep ' . float2nr(a:blinktime * 1000) . 'm'
call matchdelete(ring)
redraw
endfunction
"====[ Make tabs, trailing whitespace, and non-breaking spaces visible ]======
exec "set listchars=tab:\uBB\uBB,trail:\uB7,nbsp:~"
set list
"====[ Swap : and ; to make colon commands easier to type ]======
nnoremap ; :
nnoremap : ;
"====[ Swap v and CTRL-V, because Block mode is more useful that Visual mode "]======
nnoremap v <C-V>
nnoremap <C-V> v
vnoremap v <C-V>
vnoremap <C-V> v
"====[ Always turn on syntax highlighting for diffs ]=========================
" EITHER select by the file-suffix directly...
augroup PatchDiffHighlight
autocmd!
autocmd BufEnter *.patch,*.rej,*.diff syntax enable
augroup END
" OR ELSE use the filetype mechanism to select automatically...
filetype on
augroup PatchDiffHighlight
autocmd!
autocmd FileType diff syntax enable
augroup END
"====[ Open any file with a pre-existing swapfile in readonly mode "]=========
augroup NoSimultaneousEdits
autocmd!
autocmd SwapExists * let v:swapchoice = 'o'
autocmd SwapExists * echomsg ErrorMsg
autocmd SwapExists * echo 'Duplicate edit session (readonly)'
autocmd SwapExists * echohl None
autocmd SwapExists * sleep 2
augroup END
" Also consider the autoswap_mac.vim plugin (but beware its limitations)
"====[ Mappings to activate spell-checking alternatives ]================
nmap ;s :set invspell spelllang=en<CR>
nmap ;ss :set spell spelllang=en-basic<CR>
" To create the en-basic (or any other new) spelling list:
"
" :mkspell ~/.vim/spell/en-basic basic_english_words.txt
"
" See :help mkspell
"====[ Make CTRL-K list diagraphs before each digraph entry ]===============
inoremap <expr> <C-K> ShowDigraphs()
function! ShowDigraphs ()
digraphs
call getchar()
return "\<C-K>"
endfunction
" But also consider the hudigraphs.vim and betterdigraphs.vim plugins,
" which offer smarter and less intrusive alternatives