Commit c3327721 authored by Dave Love's avatar Dave Love

Rewritten to use define-minor-mode.

(autoarg-kp-digits, autoarg-kp-mode-map): New variable.
(autoarg-kp-mode, autoarg-kp-digit-argument): New command.
parent 4bc7a543
;;; autoarg.el --- make digit keys supply prefix args
;; Copyright (C) 1998 Free Software Foundation, Inc.
;; Copyright (C) 1998, 2000 Free Software Foundation, Inc.
;; Author: Dave Love <>
;; Created: 1998-09-04
......@@ -37,40 +37,62 @@
;; You probably don't really want to use this.
;; Also provides `autoarg-kp-mode' which is similar, but leaves the
;; digit keys alone and redefines the `keypad' keys, `kp-1' &c as
;; digit arguments. (Use `NumLock' if necessary to generate kp-N.)
;; You're more likely to want to use this.
;;; Code:
(defcustom autoarg-mode nil
"Toggle Autoarg mode.
You must modify via \\[customize] for this variable to have an effect."
:set (lambda (symbol value) (autoarg-mode (or value 0)))
:initialize 'custom-initialize-default
:type 'boolean
:group 'editing
:require 'autoarg)
;; If you wanted a local mode:
;; (make-variable-buffer-local 'autoarg-mode)
(defvar autoarg-mode-map (make-sparse-keymap)
"Keymap for Autoarg Mode.")
;; Loop over digit characters to set up keymap.
(let ((i ?0))
(while (<= i ?9)
(define-key autoarg-mode-map `[,i] 'digit-argument)
(define-key autoarg-mode-map `[(control ,i)] 'self-insert-command)
(setq i (1+ i))))
(define-key autoarg-mode-map " " 'autoarg-terminate)
(defvar autoarg-mode-map
(let ((map (make-sparse-keymap)))
;; Loop over digit characters to set up keymap.
(dotimes (i 10)
(define-key map `[,(+ ?0 i)] 'digit-argument)
(define-key map `[(control ,(+ ?0 i))] 'self-insert-command))
(define-key map " " 'autoarg-terminate)
"Keymap for Autoarg mode.")
;; Logical additions:
;; (define-key autoarg-mode-map [?-] 'negative-argument)
;; (define-key autoarg-mode-map [(control ?-)] 'self-insert-command)
;; A sensible/addition?
;; (define-key autoarg-mode-map [?\r] 'autoarg-terminate)
(defvar autoarg-kp-digits
(let (alist)
(dotimes (i 10 alist)
(push (cons (intern (format "kp-%d" i)) i) alist))))
(defun autoarg-kp-digit-argument (arg)
"Part of the numeric argument for the next command, like `digit-argument'."
(interactive "P")
(let ((digit (cdr (assq last-command-char autoarg-kp-digits))))
(cond ((integerp arg)
(setq prefix-arg (+ (* arg 10)
(if (< arg 0) (- digit) digit))))
((eq arg '-)
;; Treat -0 as just -, so that -01 will work.
(setq prefix-arg (if (zerop digit) '- (- digit))))
(setq prefix-arg digit))))
(setq universal-argument-num-events (length (this-command-keys)))
(setq overriding-terminal-local-map universal-argument-map))
(defvar autoarg-kp-mode-map
(let ((map (make-sparse-keymap)))
;; Loop over digit characters to set up keymap.
(dotimes (i 10)
(let ((sym (intern (format "kp-%d" i))))
(define-key map (vector sym) 'autoarg-kp-digit-argument)))
(define-key map [kp-subtract] 'negative-argument)
"Keymap for Autoarg-KP mode.")
(defun autoarg-mode (&optional arg)
"Toggle Autoarg mode minor mode globally.
(define-minor-mode autoarg-mode
"Toggle Autoarg minor mode globally.
With ARG, turn Autoarg mode on if ARG is positive, off otherwise.
In Autoarg mode digits are bound to `digit-argument' -- i.e. they
......@@ -88,20 +110,29 @@ then invokes the normal binding of \\[autoarg-terminate].
`C-u \\[autoarg-terminate]' invokes the normal binding of \\[autoarg-terminate] four times.
(interactive "P")
(let ((old-mode autoarg-mode))
(setq autoarg-mode (if (null arg)
(not autoarg-mode)
(> (prefix-numeric-value arg) 0))))
(if (interactive-p)
(message "Autoarg mode %sabled" (if autoarg-mode "en" "dis"))))
(global . nil) " Aarg" autoarg-mode-map)
(add-to-list 'minor-mode-alist '(autoarg-mode " Aarg"))
(add-to-list 'minor-mode-map-alist (cons 'autoarg-mode autoarg-mode-map))
(define-minor-mode autoarg-kp-mode
"Toggle Autoarg-KP minor mode globally.
With ARG, turn Autoarg mode on if ARG is positive, off otherwise.
This is similar to \\[autoarg-mode] but rebinds the keypad keys `kp-1'
&c to supply digit arguments.
(global . nil) " Aakp" autoarg-kp-mode-map
(if autoarg-kp-mode
(dotimes (i 10)
(let ((sym (intern (format "kp-%d" i))))
(define-key universal-argument-map (vector sym)
(dotimes (i 10)
(let ((sym (intern (format "kp-%d" i))))
(define-key universal-argument-map (vector sym) nil)))))
(defun autoarg-terminate (n)
"Maybe terminate a digit prefix sequence.
With a non-negative numeric prefix arg, insert the digits comprising
the arg into the current buffer. Otherwise use the binding of the key
which invoked this function, excluding the Autoarg keymap."
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