Commit 14c24780 authored by Stefan Monnier's avatar Stefan Monnier
Browse files

(completion-all-sorted-completions): New var.

(completion-all-sorted-completions): New functions.
(minibuffer-force-complete): New command.
parent bcc850aa
......@@ -64,7 +64,10 @@ default toolkit, but you can use --with-x-toolkit=gtk if necessary.
* Changes in Emacs 23.1
** Completion.
*** `completion-style' can be customized to choose your favorite completion.
*** `completion-styles' can be customized to choose your favorite completion.
*** The default completion styles include a form of partial-completion.
*** The new command `minibuffer-force-complete chooses one of the possible
completions, rather than stopping at the common prefix.
*** `completion-auto-help' can be set to `lazy' to list the completions only
if you repeat the completion. This was already supported in
2008-05-21 Stefan Monnier <>
* minibuffer.el (completion-all-sorted-completions): New var.
(completion-all-sorted-completions): New functions.
(minibuffer-force-complete): New command.
2008-05-21 Glenn Morris <>
* files.el (c-postprocess-file-styles): Declare for compiler.
......@@ -489,6 +489,59 @@ scroll the window of possible completions."
(t t)))))
(defvar completion-all-sorted-completions nil)
(make-variable-buffer-local 'completion-all-sorted-completions)
(defun completion--flush-all-sorted-completions (&rest ignore)
(setq completion-all-sorted-completions nil))
(defun completion-all-sorted-completions ()
(or completion-all-sorted-completions
(let* ((start (field-beginning))
(end (field-end))
(all (completion-all-completions (buffer-substring start end)
(- (point) start)))
(last (last all))
(base-size (or (cdr last) 0)))
(when last
(setcdr last nil)
;; Prefer shorter completions.
(setq all (sort all (lambda (c1 c2) (< (length c1) (length c2)))))
;; Prefer recently used completions.
(let ((hist (symbol-value minibuffer-history-variable)))
(setq all (sort all (lambda (c1 c2)
(> (length (member c1 hist))
(length (member c2 hist)))))))
;; Cache the result. This is not just for speed, but also so that
;; repeated calls to minibuffer-force-complete can cycle through
;; all possibilities.
(add-hook 'after-change-functions
'completion--flush-all-sorted-completions nil t)
(setq completion-all-sorted-completions
(nconc all base-size))))))
(defun minibuffer-force-complete ()
"Complete the minibuffer to an exact match.
Repeated uses step through the possible completions."
;; FIXME: Need to deal with the extra-size issue here as well.
(let* ((start (field-beginning))
(end (field-end))
(all (completion-all-sorted-completions)))
(if (not (consp all))
(minibuffer-message (if all "No more completions" "No completions"))
(goto-char end)
(insert (car all))
(delete-region (+ start (cdr (last all))) end)
;; If completing file names, (car all) may be a directory, so we'd now
;; have a new set of possible completions and might want to reset
;; completion-all-sorted-completions to nil, but we prefer not to,
;; so that repeated calls minibuffer-force-complete still cycle
;; through the previous possible completions.
(setq completion-all-sorted-completions (cdr all)))))
(defun minibuffer-complete-and-exit ()
"If the minibuffer contents is a valid completion then exit.
Otherwise try to complete it. If completion leads to a valid completion,
......@@ -861,6 +914,9 @@ specified by COMMON-SUBSTRING."
(let ((map minibuffer-local-completion-map))
(define-key map "\t" 'minibuffer-complete)
;; M-TAB is already abused for many other purposes, so we should find
;; another binding for it.
;; (define-key map "\e\t" 'minibuffer-force-complete)
(define-key map " " 'minibuffer-complete-word)
(define-key map "?" 'minibuffer-completion-help))
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