Emacs: auto-complete package

This article will describe using auto-complete package which is common package for auto complete.


1 Install auto-complete package

Install auto-complete package with M-x package-list-packages.

auto-complete  1.5.0  installed  Auto Completion for GNU Emacs

2 ${HOME}/.emacs

Load auto-complete and auto-complete-config with require.

(require 'auto-complete)
(require 'auto-complete-config)

Enabling global-auto-complete-mode will call auto-complete automatically. And binding ac-next to "\M-TAB" will call auto-complete manually. This is useful for calling auto-complete again when canceled auto-complete.

(global-auto-complete-mode t)
(global ac-complete-mode-map "\M-TAB" 'ac-next)

Binding ac-next and ac-previous will select candidate list.

(define-key ac-complete-mode-map "\C-n" 'ac-next)
(define-key ac-complete-mode-map "\C-p" 'ac-previous)

3 Execution result

When there are foo and foobar function, "fo" will call candidate list of "foo" and "foobar".