[ESS] Help configuring auto-complete

[Vitalie Spinu]

>>>> 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.