1
0
mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-12-28 10:56:36 +00:00
emacs/lisp/emacs-lisp/timer-list.el
Eli Zaretskii a6d6753938 Disable 'timer-list'
* lisp/emacs-lisp/timer-list.el: Make 'timer-list' a disabled
command.
2016-02-09 20:30:54 +02:00

112 lines
4.1 KiB
EmacsLisp

;;; timer-list.el --- list active timers in a buffer
;; Copyright (C) 2016 Free Software Foundation, Inc.
;; Maintainer: emacs-devel@gnu.org
;; Package: emacs
;; This file is part of GNU Emacs.
;; 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 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
;;;###autoload
(defun timer-list ()
"List all timers in a buffer."
(interactive)
(pop-to-buffer-same-window (get-buffer-create "*timer-list*"))
(let ((inhibit-read-only t))
(erase-buffer)
(timer-list-mode)
(dolist (timer (append timer-list timer-idle-list))
(insert (format "%4s %10s %8s %s"
;; Idle.
(if (aref timer 7)
"*"
" ")
;; Next time.
(let ((time (float-time (list (aref timer 1)
(aref timer 2)
(aref timer 3)))))
(format "%.2f"
(if (aref timer 7)
time
(- (float-time (list (aref timer 1)
(aref timer 2)
(aref timer 3)))
(float-time)))))
;; Repeat.
(let ((repeat (aref timer 4)))
(cond
((numberp repeat)
(format "%.2f" (/ repeat 60)))
((null repeat)
"-")
(t
(format "%s" repeat))))
;; Function.
(let ((function (aref timer 5)))
(replace-regexp-in-string
"\n" " "
(cond
((byte-code-function-p function)
(replace-regexp-in-string
"[^-A-Za-z0-9 ]" ""
(format "%s" function)))
(t
(format "%s" function)))))))
(put-text-property (line-beginning-position)
(1+ (line-beginning-position))
'timer timer)
(insert "\n")))
(goto-char (point-min)))
;; This command can be destructive if they don't know what they are
;; doing. Kids, don't try this at home!
;;;###autoload (put 'timer-list 'disabled "Beware: manually canceling timers can ruin your Emacs session.")
(defvar timer-list-mode-map
(let ((map (make-sparse-keymap)))
(define-key map "c" 'timer-list-cancel)
(easy-menu-define nil map ""
'("Timers"
["Cancel" timer-list-cancel t]))
map))
(define-derived-mode timer-list-mode special-mode "timer-list"
"Mode for listing and controlling timers."
(setq truncate-lines t)
(buffer-disable-undo)
(setq buffer-read-only t)
(setq header-line-format
(format "%4s %10s %8s %s"
"Idle" "Next" "Repeat" "Function")))
(defun timer-list-cancel ()
"Cancel the timer on the line under point."
(interactive)
(let ((timer (get-text-property (line-beginning-position) 'timer))
(inhibit-read-only t))
(unless timer
(error "No timer on the current line"))
(cancel-timer timer)
(delete-region (line-beginning-position)
(line-beginning-position 2))))
(provide 'timer-list)
;;; timer-list.el ends here