[ESS] Help configuring auto-complete
Ista Zahn
istazahn at gmail.com
Fri Jun 15 23:03:21 CEST 2012
Thanks Vitalie, I've added this to the wiki.
Best,
Ista
On Fri, Jun 15, 2012 at 4:44 PM, Vitalie Spinu <spinuvit at gmail.com> wrote:
> >> Ista Zahn <istazahn at gmail.com>
> >> on Fri, 15 Jun 2012 15:52:58 -0400 wrote:
>
> > Hi all,
> > Sorry for resurrecting this old thread. I just wanted to note for
> > future googlers that I finally solved this problem to my complete
> > satisfaction using
>
> > (define-key ac-completing-map "\t" 'ac-complete)
> > (define-key ac-completing-map "\r" nil)
>
> If you are comfortable with other keys (M-n, M-p) to navigate in AC
> menu, then that's indeed a very good idea. TAB is bound to ac-expand to
> allow movement thorough the popup menu, but the frustration of
> completing RET (especially in iESS buffers) is higher than that. Can you
> please put this on ESS ac-completion wiki page? This definitely the way
> to go with AC in R.
>
> Also note that the recent versions of AC use [return] and [tab] and it
> might be good to also:
>
> (define-key ac-completing-map [tab] 'ac-complete)
> (define-key ac-completing-map [return] nil)
>
> Vitalie.
>
> > I had tried this before without succes, but it now works as intended
> > (not sure what the problem was before)
>
> > This prevents auto-complete from completing when the return key is
> > pressed, and instead uses the tab key for this. Although I don't think
> > I realized it myself when I first opened this thread, that is actually
> > what I want, and I'm now very happy with the way auto-complete is
> > working with ESS.
>
> > Thanks again,
> > Ista
>
> > On Tue, May 15, 2012 at 2:01 PM, Vitalie Spinu <spinuvit at gmail.com> wrote:
> >>
> >>>>>> Ista Zahn <istazahn at gmail.com>
> >>>>>> on Tue, 15 May 2012 13:12:09 -0400 wrote:
> >>
> >> > Hi Vitalie,
> >> > Great, thank you for the comprehensive reply. For now I'm going to
> >> > disable argument auto-completion using the second method you
> >> > described.
> >>
> >> Third method might be better, as you will have arguments completion.
> >>
> >>
> >> > More generally, I like having auto-complete menus popping up all over
> >> > the place -- for me it really is just this situation (argument
> >> > completion menu triggered by ",") where it gets in my way.
> >>
> >> You can place this into ess-mode-hook and ess-post-run-hook:
> >>
> >> (delete 'ess-smart-comma ac-trigger-commands)
> >>
> >> Then comma wont trigger the ac menu.
> >>
> >> Vitalie.
> >>
> >> > On Tue, May 15, 2012 at 11:40 AM, Vitalie Spinu <spinuvit at gmail.com> wrote:
> >> >>
> >> >>>>>> Ista Zahn <istazahn at gmail.com>
> >> >>>>>> on Tue, 15 May 2012 09:56:42 -0400 wrote:
> >> >>
> >> >> > c(x = 1,
> >> >>
> >> >> > with the cursor immediately after the comma, the auto-complete menu
> >> >> > pops up offering to complete "recursive=".
> >> >> > I would really appreciate it if you can tell me how to disable just
> >> >> > this specific feature.
> >> >>
> >> >> What feature precisely? disable it inside c() or disable argument
> >> >> completion altogether?
> >> >>
> >> >> > The manual suggests that I should look at the docstring of
> >> >> > ac-use-auto-complete, but I can't seem to find it.
> >> >>
> >> >> it should be ess-use-auto-complete, it's a type in new features
> >> >> section. Thanks.
> >> >>
> >> >>
> >> >>
> >> >> On a general note, I am still not clear what default ac set-up is the
> >> >> most meaningful. And user input is highly valuable here. I agree that
> >> >> the current one is too intrusive. Though auto-popup works fine in elisp
> >> >> buffers it is pretty annoying in R buffers because most of the names are
> >> >> short.
> >> >>
> >> >> There are three general ways that the user can go about it.
> >> >>
> >> >> First, is to deactivate ac auto pop-up by setting ac-auto-show-menu to
> >> >> nil and make TAB to trigger the menu:
> >> >>
> >> >> (ac-set-trigger-key "TAB").
> >> >>
> >> >> Second, is to disable auto-completion of arguments. There are 2 basic R
> >> >> sources `ac-source-R-objects' and `ac-source-R-args'. The third source
> >> >> ac-source-R combines conveniently the previous 2 and is activated by
> >> >> default. Add only one of them to ac-sources variable:
> >> >>
> >> >> (defun my-ac-ess-config ()
> >> >> (setq ac-souces
> >> >> '(ac-source-R-objects ac-source-filename ac-source-words-in-buffer)))
> >> >>
> >> >> (add-hook 'ess-mode-hook 'my-ac-ess-config)
> >> >> (add-hook 'ess-post-run-hook 'my-ac-ess-config)
> >> >>
> >> >> Third, you can look at definitions of these souces and redefine
> >> >> them. Particularly you can configure the prefix parameter to be 1 or
> >> >> even 2 (instead of the default 0):
> >> >>
> >> >> (setq ac-source-R
> >> >> '((prefix . ess-ac-start)
> >> >> (requires . 2)
> >> >> (candidates . ess-ac-candidates)
> >> >> (document . ess-ac-help)))
> >> >>
> >> >> But then you won't have auto completion of arguments at "(" and
> >> >> ",". Given the current eldoc functionality I think this last option
> >> >> should actually be the default.
> >> >>
> >> >> Best,
> >> >> Vitalie.
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