evil inside

[York Zhao]

Hi Tim,

Nice to see you here. I was using your "vimpulse-surround" every day while
on Vimpulse and have been missing it since switched to Evil. I almost wanted
to send you an email telling you how wonderful Evil looks like and hopped
that you would be implementing the "surround" in Evil soon. Now we got you.
:-)

York


On Fri, Aug 12, 2011 at 1:50 PM, Timothy Harper <timcharper at gmail.com>
wrote:
Just wanted to post that I switched out vimpulse for evil, and I am digging
it! Great work guys!  It feels more responsive, and less buggy.

I've started to extend evil to implement surround. So far I have surround
region implemented, that was easy. evil-define-key works brilliantly.
 Change surround / delete surround is going to be a little more tricky
though.

Previously, my approach was to implement custom text objects that were
flagged as surrounding text objects. Then I implemented
vimpulse-delete-surround-or-delete, vimpulse-change-surround-or-change,
bound then to 'd' and 'c' respectively, and prompted for a text object. If
the returned text object was flagged as a surround text object, I acted
accordingly, otherwise forwarded on to vimpulse-delete / vimpulse-change.

I think a better approach, this time, would be to implement
evil-change-maybe-surround. It would prompt for the next keystroke.  If 's',
then prompt for a text object and perform the operation. Otherwise, stick
the key back into unread-command-events and forward to evil-change.

Does a better extension mechanism exist, or is that approach a good one in
your eyes (Vegard?)

Thanks so much for bringing evil to my emacs! :)

Tim
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