Re: undo every single completion

On 08/05/12 14:51, Johannes Deutsch wrote:
> since i use supertab i'm able to do supersonic completions with
> vim. Unfortunately the super fast completion has the disadvantage
> that i select the wrong item from time to time (especially with
> regard to filename completion where several completions are made
> in succession). The annoying thing about that is, that not every
> completion is in a separate chunk in the undo 'buffer' (sorry i
> don't have the precise word for this kind of stack or whatever).
> So i have to delete the last completion by hand and start the
> completion again.
>
> I would prefer that before a completion vim switch from
> insert-mode to normal-mode and back so that i could undo every
> single completion.

Though I haven't used "supertab" so I don't know the particulars, it
sounds like you want to modify the behavior so that <tab> in
insert-mode drops an undo point. You can do this with

:help i_CTRL-G_u

so you'd do something like

:inoremap <tab> <c-g>u<tab>

Or, if <tab> is already mapped for use by supertab, you can modify
the mapping to insert the 6 characters above ("<c-g>u") before the
rest of the mapping's contents.

-tim


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