Andrew Stewart wrote:

> I posted this question a while back on vim_use but didn't receive any
> replies so I thought I would try here.
> 
> https://groups.google.com/forum/#!topic/vim_use/EsISt5b-tnM/discussion
> 
> I have a CursorMovedI autocommand which runs some Vimscript.
> Unfortunately if the user is in the CTRL-X submode (of insert mode)
> when the autocommand fires, when the Vimscript finishes the user is
> left in normal mode.  This doesn't happen if the completion popup is
> already visible; only if the user has invoked the submode but done
> nothing further.
> 
> I'm assuming it's not possible to avoid the submode being exited
> during the course of the Vimscript execution.  So I'd like to detect
> this situation and then restore the mode at the end of the Vimscript.
> 
> How then can I detect if the user is in the i_CTRL-X submode?  (The
> mode() function doesn't tell me.)

Would it be sufficient to not trigger CursorMovedI when the user pressed
CTRL-X ?  What submode would it be in?  Or are you saying that this
depends on whether the completion uses a popup menu or not?

I suppose we could limit CursorMovedI to when Vim is waiting for a
character to be inserted, not in some submode where behavior is
unpredictable.  However, some completion plugins may actually use the
side-efffect.

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