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While using vim I have trouble finding my cursor quickly after entering another buffer, especially if I have many splits open.

I fixed this by writing a function which is called by an autocmd when a buffer is entered. The function matches and unmatches a few characters around the cursor, waiting in between using sleep.

However, this gets annoying when switching quickly and a lot, or e.g. when opening a help tag, since my function is called after entering the buffer but before jumping to the help tag, so it appears late.

How can I achieve my goal without significantly slowing down vim?

EDIT: I worked around the help tag part by checking against the help filetype in my highlight function. However this is still not optimal.

This is my function:

function! HlCursor()
    let l:pat = '\v.{0,3}%#.{0,3}'
    " Let it blink for 250ms
    let l:match = matchadd('Todo', l:pat)
    redraw | sleep 250 m
    call matchdelete(l:match)
    redraw
endfunction
  • How do you think we will fix your function if you don't show it? – romainl Jul 27 '14 at 7:47
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An alternative to your blocking sleep would be to only remove the highlighting on a following event. To do that, after the matchadd(), just define another (fire-once; i.e. one that deletes itself) autocmd that clears the highlighting, and return from the function. Suitable events would be WinLeave,CursorMoved,CursorMovedI,CursorHold,CursorHoldI.

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How about using the built-in "cursorline" and "cursorcolumn" options? Then, you can use two autocmds: a BufEnter or WinEnter autocmd to do setlocal cursorline cursorcolumn and a CursorHold,WinLeave autocmd to do setlocal nocursorline nocursorcolumn.

  • I see now the two-autocmd method is basically what Ingo suggests to fix the delay issue, but this will also allow fixing that the wrong position gets highlighted when jumping to tags. – Ben Jul 28 '14 at 13:42

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