;;; icomplete.el --- minibuffer completion incremental feedback
-;; Copyright (C) 1992, 1993, 1994, 1997, 1999 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1993, 1994, 1997, 1999, 2001, 2002, 2003,
+;; 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
;; Author: Ken Manheimer <klm@i.am>
;; Maintainer: Ken Manheimer <klm@i.am>
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
+;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
:prefix "icomplete-"
:group 'minibuffer)
-(defcustom icomplete-mode nil
- "*Toggle incremental minibuffer completion.
-As text is typed into the minibuffer, prospective completions are indicated
-in the minibuffer.
-Setting this variable directly does not take effect;
-use either \\[customize] or the function `icomplete-mode'."
- :set (lambda (symbol value)
- (icomplete-mode (if value 1 -1)))
- :initialize 'custom-initialize-default
- :type 'boolean
- :group 'icomplete
- :require 'icomplete)
-
;;;_* User Customization variables
(defcustom icomplete-prospects-length 80
"*Length of string displaying the prospects."
(defcustom icomplete-minibuffer-setup-hook nil
"*Icomplete-specific customization of minibuffer setup.
-This hook is run during minibuffer setup iff icomplete will be active.
+This hook is run during minibuffer setup if icomplete is active.
It is intended for use in customizing icomplete for interoperation
with other features and packages. For instance:
;;;_* Initialization
;;;_ + Internal Variables
-;;;_ = icomplete-eoinput 1
-(defvar icomplete-eoinput 1
+;;;_ = icomplete-eoinput nil
+(defvar icomplete-eoinput nil
"Point where minibuffer input ends and completion info begins.")
(make-variable-buffer-local 'icomplete-eoinput)
;;;_ = icomplete-pre-command-hook
(if (commandp func-name)
(save-excursion
(let* ((sym (intern func-name))
- (buf (other-buffer))
+ (buf (other-buffer nil t))
(map (save-excursion (set-buffer buf) (current-local-map)))
(keys (where-is-internal sym map)))
(if keys
(< (length x) (length y))))
", ")
">"))))))
+;;;_ = icomplete-with-completion-tables
+(defvar icomplete-with-completion-tables '(internal-complete-buffer)
+ "Specialized completion tables with which icomplete should operate.
+
+Icomplete does not operate with any specialized completion tables
+except those on this list.")
;;;_ > icomplete-mode (&optional prefix)
;;;###autoload
-(defun icomplete-mode (&optional prefix)
- "Activate incremental minibuffer completion for this Emacs session.
-Deactivates with negative universal argument."
- (interactive "p")
- (or prefix (setq prefix 0))
- (cond ((>= prefix 0)
- (setq icomplete-mode t)
- ;; The following is not really necessary after first time -
- ;; no great loss.
- (add-hook 'minibuffer-setup-hook 'icomplete-minibuffer-setup))
- (t (setq icomplete-mode nil))))
+(define-minor-mode icomplete-mode
+ "Toggle incremental minibuffer completion for this Emacs session.
+With a numeric argument, turn Icomplete mode on if ARG is positive,
+otherwise turn it off."
+ :global t :group 'icomplete
+ (if icomplete-mode
+ ;; The following is not really necessary after first time -
+ ;; no great loss.
+ (add-hook 'minibuffer-setup-hook 'icomplete-minibuffer-setup)
+ (remove-hook 'minibuffer-setup-hook 'icomplete-minibuffer-setup)))
;;;_ > icomplete-simple-completing-p ()
(defun icomplete-simple-completing-p ()
Conditions are:
the selected window is a minibuffer,
and not in the middle of macro execution,
- and minibuffer-completion-table is not a symbol (which would
+ and `minibuffer-completion-table' is not a symbol (which would
indicate some non-standard, non-simple completion mechanism,
like file-name and other custom-func completions)."
(and (window-minibuffer-p (selected-window))
(not executing-kbd-macro)
- (not (symbolp minibuffer-completion-table))))
+ minibuffer-completion-table
+ (or (not (functionp minibuffer-completion-table))
+ (member minibuffer-completion-table
+ icomplete-with-completion-tables))))
;;;_ > icomplete-minibuffer-setup ()
-;;;###autoload
(defun icomplete-minibuffer-setup ()
"Run in minibuffer on activation to establish incremental completion.
Usually run by inclusion in `minibuffer-setup-hook'."
- (cond ((and icomplete-mode (icomplete-simple-completing-p))
- (make-local-hook 'pre-command-hook)
- (add-hook 'pre-command-hook
- (function (lambda ()
- (run-hooks 'icomplete-pre-command-hook)))
- nil t)
- (make-local-hook 'post-command-hook)
- (add-hook 'post-command-hook
- (function (lambda ()
- (run-hooks 'icomplete-post-command-hook)))
- nil t)
- (run-hooks 'icomplete-minibuffer-setup-hook))))
+ (when (and icomplete-mode (icomplete-simple-completing-p))
+ (add-hook 'pre-command-hook
+ (lambda () (run-hooks 'icomplete-pre-command-hook))
+ nil t)
+ (add-hook 'post-command-hook
+ (lambda () (run-hooks 'icomplete-post-command-hook))
+ nil t)
+ (run-hooks 'icomplete-minibuffer-setup-hook)))
;\f
"Remove completions display \(if any) prior to new user input.
Should be run in on the minibuffer `pre-command-hook'. See `icomplete-mode'
and `minibuffer-setup-hook'."
- (if (icomplete-simple-completing-p)
- (if (and (boundp 'icomplete-eoinput)
- icomplete-eoinput)
+ (when (and icomplete-mode icomplete-eoinput)
- (if (> icomplete-eoinput (point-max))
- ;; Oops, got rug pulled out from under us - reinit:
- (setq icomplete-eoinput (point-max))
- (let ((buffer-undo-list buffer-undo-list )) ; prevent entry
- (delete-region icomplete-eoinput (point-max))))
+ (unless (>= icomplete-eoinput (point-max))
+ (let ((buffer-undo-list t) ; prevent entry
+ deactivate-mark)
+ (delete-region icomplete-eoinput (point-max))))
- ;; Reestablish the local variable 'cause minibuffer-setup is weird:
- (make-local-variable 'icomplete-eoinput)
- (setq icomplete-eoinput 1))))
+ ;; Reestablish the safe value.
+ (setq icomplete-eoinput nil)))
;;;_ > icomplete-exhibit ()
(defun icomplete-exhibit ()
"Insert icomplete completions display.
Should be run via minibuffer `post-command-hook'. See `icomplete-mode'
and `minibuffer-setup-hook'."
- (if (icomplete-simple-completing-p)
- (let ((contents (buffer-substring (minibuffer-prompt-end)(point-max)))
- (buffer-undo-list t))
- (save-excursion
- (goto-char (point-max))
- ; Register the end of input, so we
- ; know where the extra stuff
- ; (match-status info) begins:
- (if (not (boundp 'icomplete-eoinput))
- ;; In case it got wiped out by major mode business:
- (make-local-variable 'icomplete-eoinput))
- (setq icomplete-eoinput (point))
+ (when (and icomplete-mode (icomplete-simple-completing-p))
+ (save-excursion
+ (goto-char (point-max))
+ ;; Register the end of input, so we know where the extra stuff
+ ;; (match-status info) begins:
+ (setq icomplete-eoinput (point))
; Insert the match-status information:
- (if (and (> (point-max) 1)
- (or
- ;; Don't bother with delay after certain number of chars:
- (> (point-max) icomplete-max-delay-chars)
- ;; Don't delay if alternatives number is small enough:
- (if minibuffer-completion-table
- (cond ((numberp minibuffer-completion-table)
- (< minibuffer-completion-table
- icomplete-delay-completions-threshold))
- ((sequencep minibuffer-completion-table)
- (< (length minibuffer-completion-table)
- icomplete-delay-completions-threshold))
- ))
- ;; Delay - give some grace time for next keystroke, before
- ;; embarking on computing completions:
- (sit-for icomplete-compute-delay)))
- (insert-string
- (icomplete-completions contents
- minibuffer-completion-table
- minibuffer-completion-predicate
- (not
- minibuffer-completion-confirm))))))))
+ (if (and (> (point-max) (minibuffer-prompt-end))
+ buffer-undo-list ; Wait for some user input.
+ (or
+ ;; Don't bother with delay after certain number of chars:
+ (> (- (point) (field-beginning)) icomplete-max-delay-chars)
+ ;; Don't delay if alternatives number is small enough:
+ (and (sequencep minibuffer-completion-table)
+ (< (length minibuffer-completion-table)
+ icomplete-delay-completions-threshold))
+ ;; Delay - give some grace time for next keystroke, before
+ ;; embarking on computing completions:
+ (sit-for icomplete-compute-delay)))
+ (let ((text (while-no-input
+ (list
+ (icomplete-completions
+ (field-string)
+ minibuffer-completion-table
+ minibuffer-completion-predicate
+ (not minibuffer-completion-confirm)))))
+ (buffer-undo-list t)
+ deactivate-mark)
+ ;; Do nothing if while-no-input was aborted.
+ (if (consp text) (insert (car text))))))))
;;;_ > icomplete-completions (name candidates predicate require-match)
(defun icomplete-completions (name candidates predicate require-match)
(concat open-bracket-determined
(substring most (length name))
close-bracket-determined)))
- (open-bracket-prospects "{")
- (close-bracket-prospects "}")
- ;"-prospects" - more than one candidate
+ ;;"-prospects" - more than one candidate
(prospects-len 0)
prospects most-is-exact comp)
(if (eq most-try t)
prospects-len (+ (length comp) 1 prospects-len))))))
(if prospects
(concat determ
- open-bracket-prospects
+ "{"
(and most-is-exact ",")
(mapconcat 'identity
(sort prospects (function string-lessp))
",")
(and comps ",...")
- close-bracket-prospects)
+ "}")
(concat determ
" [Matched"
(let ((keys (and icomplete-show-key-bindings
(commandp (intern-soft most))
(icomplete-get-keys most))))
- (if keys
- (concat "; " keys)
- ""))
+ (if keys (concat "; " keys) ""))
"]"))))))
-(if icomplete-mode
- (icomplete-mode 1))
-
;;;_* Local emacs vars.
;;;Local variables:
-;;;outline-layout: (-2 :)
+;;;allout-layout: (-2 :)
;;;End:
+;; arch-tag: 339ec25a-0741-4eb6-be63-997532e89b0f
;;; icomplete.el ends here