Re: Call a function in insertmode without triggering InsertLeave
- Am Donnerstag, 20. Juni 2013 17:24:27 UTC+2 schrieb Ben Fritz:
> On Thursday, June 20, 2013 3:46:33 AM UTC-5, EinfachToll wrote:Thank you. Will see if I use your suggested solution.
> > I want to have some stuff executed when I press Escape, so I set an autocommand InsertLeave which works fine. But I don't want to execute it when Vim goes to normal mode during a mapping. So I changed
> > :imap key <Esc>:call function()<CR>
> > to
> > :imap key <C-c>:call function()<CR>
> > because the help says that <C-c> doesn't trigger the InsertLeave command. This is true when I type <C-c> manually, but not when I use it in a mapping. The autocommand is still executed. Is it a bug or a feature?
> It sure doesn't look like it is acting as documented but maybe I'm missing something. I can reproduce with a specific simple example on Windows 7 gvim 7.3.822, and also on Solaris with gvim 7.3.1169:
> gvim -N -u NONE -i NONE
> let g:test = 0
> au InsertLeave * let g:test+=1 | echomsg g:test "events"
> imap <F1> <Esc>
> imap <F2> <C-C>
> a<Esc> outputs "1 events"
> a<C-C> doesn't output anything
> a<F1> outputs "2 events"
> a<F2> outputs "3 events"
> As a workaround, you could use an <expr> mapping that returns "\<C-c>:call function()\<CR>". But before returning, it would set eventignore to include InsertLeave. Then in your function called by the mapping, you could restore eventignore.
> But if you have plugins or autocmds which rely on balanced InsertLeave/InsertEnter events, they may break in unexpected ways.
> I can't find anything in the help that would explain the different behavior of <C-C> in a mapping (I did a :helpgrep CTRL-C).
> There is this nugget in todo.txt:
> 8 Give a warning when using CTRL-C in the lhs of a mapping. It will never
> (?) work.
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