Something that's bothered me for about a decade now is that when I switch from command line into the command-line-history window (by pressing <c-f>) and then switch back (by pressing <c-c>), the command line history window remains visible. I noticed that if I force a refresh by changing the size of the gVim window then the history window goes away so I think it just needs a redraw. Is there a way to force a redraw to occur when hitting <c-c>?

1 Answer 1


Try this autocmd:

augroup my_cmdline_window
    au CmdWinEnter * nno  <buffer><expr><nowait>  <c-c>  '<c-c>'.timer_start(0, {-> execute('redraw')})[-1]
augroup END

The timer is necessary to delay :redraw. Without it, :redraw would be executed before C-c is pressed, that is before the command line window is left, which is too soon. Vim needs to redraw the screen after the command line window has been left.

For more information, see:

:h CmdWinEnter
:h map-<buffer>
:h map-<expr>
:h map-<nowait>
:h timer_start()
:h lambda
:h execute()
:h :redraw
  • Im not sure I understand why the timer is necessary; could you explain that a bit further?
    – D. Ben Knoble
    Commented Dec 6, 2018 at 5:41

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