emacs-config/lisp/system-clock.el
2021-04-07 20:10:43 -05:00

49 lines
1.5 KiB
EmacsLisp

;;; system-clock.el --- This is my system interrupt -*- lexical-binding: t -*-
;; Copyright (C) 2020 Benson Chu
;; Author: Benson Chu <bensonchu457@gmail.com>
;; Created: [2020-01-17 13:53]
;; This file is not part of GNU Emacs
;; This program 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.
;; This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(defvar current-system-clock nil)
(defvar system-clock-time 30)
(define-minor-mode system-clock-mode
nil nil nil
:global t
(cond (system-clock-mode
(setq current-system-clock (run-at-time nil system-clock-time (lambda () (interactive) (let ((visible-bell t)) (ding))))))
(t
(cancel-timer current-system-clock))))
(defun activate-system-clock (seconds)
(interactive "p")
(when system-clock-mode
(system-clock-mode nil))
(setq system-clock-time seconds)
(system-clock-mode))
(define-key *root-map* (kbd "S") #'activate-system-clock)
(provide 'system-clock)
;;; system-clock.el ends here