vim/bundle/paren_crosshairs/plugin/paren_crosshairs.vim

48 lines
1.3 KiB
VimL
Executable File

" Vim plugin for putting crosshairs on cursor when on a paren
" Maintainer: Bryan Richter <at the googles>
" Last Change: 2012
" License: WTFPL
if exists("g:loaded_paren_crosshairs") || &cp || !exists("##CursorMoved")
finish
endif
let g:loaded_paren_crosshairs = 1
augroup TargetMatchpairs
au!
au WinEnter,CmdwinEnter,CursorMoved,CursorMovedI * call s:targetMatchpairs()
au WinLeave * call s:suspendTargeting()
augroup END
func! s:targetMatchpairs()
if !exists('w:targetAcquired')
let w:targetAcquired = 0
endif
" Global to buffer:
if !exists('b:matchPairs')
" '[:],{,},(,)' --> '[]{}()'
let b:matchPairs = substitute(&matchpairs, "[,:]", "", "g")
endif
let curChar = getline('.')[col('.') - 1]
let targetInReticule =
\len(curChar) > 0 && stridx(b:matchPairs, curChar) >= 0
if targetInReticule && !w:targetAcquired
let w:disengage = "set " . (&cuc ? "cuc" : "nocuc")
\. ' ' . (&cul ? "cul" : "nocul")
set cuc cul
let w:targetAcquired = 1
elseif !targetInReticule && w:targetAcquired
exec w:disengage
let w:targetAcquired = 0
endif
endfu
func! s:suspendTargeting()
if w:targetAcquired
exec w:disengage
let w:targetAcquired = 0
endif
endfu