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