diff options
Diffstat (limited to 'lisp/emacs-lisp/crm.el')
| -rw-r--r-- | lisp/emacs-lisp/crm.el | 115 |
1 files changed, 61 insertions, 54 deletions
diff --git a/lisp/emacs-lisp/crm.el b/lisp/emacs-lisp/crm.el index 6bc6d217cef..6d4b29b552c 100644 --- a/lisp/emacs-lisp/crm.el +++ b/lisp/emacs-lisp/crm.el @@ -77,38 +77,29 @@ ;;; Code: -;; FIXME I don't see that this needs to exist as a separate variable. -;; crm-separator should suffice. -(defconst crm-default-separator "[ \t]*,[ \t]*" - "Default value of `crm-separator'.") +(define-obsolete-variable-alias 'crm-default-separator 'crm-separator "29.1") -(defvar crm-separator crm-default-separator +(defvar crm-separator "[ \t]*,[ \t]*" "Separator regexp used for separating strings in `completing-read-multiple'. -It should be a regexp that does not match the list of completion candidates. -The default value is `crm-default-separator'.") - -(defvar crm-local-completion-map - (let ((map (make-sparse-keymap))) - (set-keymap-parent map minibuffer-local-completion-map) - (define-key map [remap minibuffer-complete] #'crm-complete) - (define-key map [remap minibuffer-complete-word] #'crm-complete-word) - (define-key map [remap minibuffer-completion-help] #'crm-completion-help) - map) - "Local keymap for minibuffer multiple input with completion. -Analog of `minibuffer-local-completion-map'.") - -(defvar crm-local-must-match-map - (let ((map (make-sparse-keymap))) - ;; We'd want to have multiple inheritance here. - (set-keymap-parent map minibuffer-local-must-match-map) - (define-key map [remap minibuffer-complete] #'crm-complete) - (define-key map [remap minibuffer-complete-word] #'crm-complete-word) - (define-key map [remap minibuffer-completion-help] #'crm-completion-help) - (define-key map [remap minibuffer-complete-and-exit] - #'crm-complete-and-exit) - map) - "Local keymap for minibuffer multiple input with exact match completion. -Analog of `minibuffer-local-must-match-map' for crm.") +It should be a regexp that does not match the list of completion candidates.") + +(defvar-keymap crm-local-completion-map + :doc "Local keymap for minibuffer multiple input with completion. +Analog of `minibuffer-local-completion-map'." + :parent minibuffer-local-completion-map + "<remap> <minibuffer-complete>" #'crm-complete + "<remap> <minibuffer-complete-word>" #'crm-complete-word + "<remap> <minibuffer-completion-help>" #'crm-completion-help) + +(defvar-keymap crm-local-must-match-map + :doc "Local keymap for minibuffer multiple input with exact match completion. +Analog of `minibuffer-local-must-match-map' for crm." + ;; We'd want to have multiple inheritance here. + :parent minibuffer-local-must-match-map + "<remap> <minibuffer-complete>" #'crm-complete + "<remap> <minibuffer-complete-word>" #'crm-complete-word + "<remap> <minibuffer-completion-help>" #'crm-completion-help + "<remap> <minibuffer-complete-and-exit>" #'crm-complete-and-exit) (defvar crm-completion-table nil "An alist whose elements' cars are strings, or an obarray. @@ -244,30 +235,46 @@ contents of the minibuffer are \"alice,bob,eve\" and point is between This function returns a list of the strings that were read, with empty strings removed." - (unwind-protect - (progn - (add-hook 'choose-completion-string-functions - 'crm--choose-completion-string) - (let* ((minibuffer-completion-table #'crm--collection-fn) - (minibuffer-completion-predicate predicate) - ;; see completing_read in src/minibuf.c - (minibuffer-completion-confirm - (unless (eq require-match t) require-match)) - (crm-completion-table table) - (map (if require-match - crm-local-must-match-map - crm-local-completion-map)) - ;; If the user enters empty input, `read-from-minibuffer' - ;; returns the empty string, not DEF. - (input (read-from-minibuffer - prompt initial-input map - nil hist def inherit-input-method))) - (when (and def (string-equal input "")) - (setq input (if (consp def) (car def) def))) - ;; Remove empty strings in the list of read strings. - (split-string input crm-separator t))) - (remove-hook 'choose-completion-string-functions - 'crm--choose-completion-string))) + (let* ((map (if require-match + crm-local-must-match-map + crm-local-completion-map)) + input) + (minibuffer-with-setup-hook + (lambda () + (add-hook 'choose-completion-string-functions + 'crm--choose-completion-string nil 'local) + (setq-local minibuffer-completion-table #'crm--collection-fn) + (setq-local minibuffer-completion-predicate predicate) + (setq-local completion-list-insert-choice-function + (lambda (start end choice) + (if (and (stringp start) (stringp end)) + (let* ((beg (save-excursion + (goto-char (minibuffer-prompt-end)) + (or (search-forward start nil t) + (search-forward-regexp crm-separator nil t) + (minibuffer-prompt-end)))) + (end (save-excursion + (goto-char (point-max)) + (or (search-backward end nil t) + (progn + (goto-char beg) + (search-forward-regexp crm-separator nil t)) + (point-max))))) + (completion--replace beg end choice)) + (completion--replace start end choice)))) + ;; see completing_read in src/minibuf.c + (setq-local minibuffer-completion-confirm + (unless (eq require-match t) require-match)) + (setq-local crm-completion-table table)) + (setq input (read-from-minibuffer + prompt initial-input map + nil hist def inherit-input-method))) + ;; If the user enters empty input, `read-from-minibuffer' + ;; returns the empty string, not DEF. + (when (and def (string-equal input "")) + (setq input (if (consp def) (car def) def))) + ;; Remove empty strings in the list of read strings. + (split-string input crm-separator t))) ;; testing and debugging ;; (defun crm-init-test-environ () |