261 lines
9.1 KiB
EmacsLisp
261 lines
9.1 KiB
EmacsLisp
;;; org-timer.el --- The relative timer code for Org-mode
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;; Copyright (C) 2008, 2009 Free Software Foundation, Inc.
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;; Author: Carsten Dominik <carsten at orgmode dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: http://orgmode.org
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;; Version: 6.20h
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;;
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; Commentary:
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;; This file contains the relative timer code for Org-mode
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(require 'org)
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(defvar org-timer-start-time nil
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"t=0 for the running timer.")
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(defvar org-timer-pause-time nil
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"Time when the timer was paused.")
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(defconst org-timer-re "\\([-+]?[0-9]+\\):\\([0-9]\\{2\\}\\):\\([0-9]\\{2\\}\\)"
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"Regular expression used to match timer stamps.")
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(defcustom org-timer-format "%s "
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"The format to insert the time of the timer.
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This format must contain one instance of \"%s\" which will be replaced by
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the value of the relative timer."
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:group 'org-time
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:type 'string)
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;;;###autoload
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(defun org-timer-start (&optional offset)
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"Set the starting time for the relative timer to now.
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When called with prefix argument OFFSET, prompt the user for an offset time,
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with the default taken from a timer stamp at point, if any.
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If OFFSET is a string or an integer, it is directly taken to be the offset
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without user interaction.
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When called with a double prefix arg, all timer strings in the active
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region will be shifted by a specific amount. You will be prompted for
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the amount, with the default to make the first timer string in
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the region 0:00:00."
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(interactive "P")
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(if (equal offset '(16))
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(call-interactively 'org-timer-change-times-in-region)
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(let (delta def s)
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(if (not offset)
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(setq org-timer-start-time (current-time))
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(cond
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((integerp offset) (setq delta offset))
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((stringp offset) (setq delta (org-timer-hms-to-secs offset)))
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(t
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(setq def (if (org-in-regexp org-timer-re)
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(match-string 0)
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"0:00:00")
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s (read-string
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(format "Restart timer with offset [%s]: " def)))
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(unless (string-match "\\S-" s) (setq s def))
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(setq delta (org-timer-hms-to-secs (org-timer-fix-incomplete s)))))
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(setq org-timer-start-time
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(seconds-to-time
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(-
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(time-to-seconds (current-time))
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(org-timer-hms-to-secs s)))))
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(org-timer-set-mode-line 'on)
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(message "Timer start time set to %s, current value is %s"
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(format-time-string "%T" org-timer-start-time)
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(org-timer-secs-to-hms (or delta 0))))))
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(defun org-timer-pause-or-continue (&optional stop)
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"Pause or continue the relative timer. With prefix arg, stop it entirely."
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(interactive "P")
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(cond
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(stop (org-timer-stop))
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((not org-timer-start-time) (error "No timer is running"))
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(org-timer-pause-time
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;; timer is paused, continue
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(setq org-timer-start-time
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(seconds-to-time
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(-
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(time-to-seconds (current-time))
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(- (time-to-seconds org-timer-pause-time)
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(time-to-seconds org-timer-start-time))))
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org-timer-pause-time nil)
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(org-timer-set-mode-line 'on)
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(message "Timer continues at %s" (org-timer-value-string)))
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(t
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;; pause timer
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(setq org-timer-pause-time (current-time))
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(org-timer-set-mode-line 'pause)
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(message "Timer paused at %s" (org-timer-value-string)))))
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(defun org-timer-stop ()
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"Stop the relative timer."
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(interactive)
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(setq org-timer-start-time nil
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org-timer-pause-time nil)
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(org-timer-set-mode-line 'off))
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;;;###autoload
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(defun org-timer (&optional restart)
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"Insert a H:MM:SS string from the timer into the buffer.
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The first time this command is used, the timer is started. When used with
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a `C-u' prefix, force restarting the timer.
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When used with a double prefix arg `C-u C-u', change all the timer string
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in the region by a fixed amount. This can be used to recalibrate a timer
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that was not started at the correct moment."
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(interactive "P")
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(if (equal restart '(4)) (org-timer-start))
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(or org-timer-start-time (org-timer-start))
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(insert (org-timer-value-string)))
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(defun org-timer-value-string ()
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(format org-timer-format (org-timer-secs-to-hms (floor (org-timer-seconds)))))
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(defun org-timer-seconds ()
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(- (time-to-seconds (or org-timer-pause-time (current-time)))
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(time-to-seconds org-timer-start-time)))
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;;;###autoload
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(defun org-timer-change-times-in-region (beg end delta)
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"Change all h:mm:ss time in region by a DELTA."
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(interactive
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"r\nsEnter time difference like \"-1:08:26\". Default is first time to zero: ")
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(let ((re "[-+]?[0-9]+:[0-9]\\{2\\}:[0-9]\\{2\\}") p)
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(unless (string-match "\\S-" delta)
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(save-excursion
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(goto-char beg)
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(when (re-search-forward re end t)
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(setq delta (match-string 0))
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(if (equal (string-to-char delta) ?-)
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(setq delta (substring delta 1))
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(setq delta (concat "-" delta))))))
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(setq delta (org-timer-hms-to-secs (org-timer-fix-incomplete delta)))
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(when (= delta 0) (error "No change"))
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(save-excursion
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(goto-char end)
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(while (re-search-backward re beg t)
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(setq p (point))
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(replace-match
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(save-match-data
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(org-timer-secs-to-hms (+ (org-timer-hms-to-secs (match-string 0)) delta)))
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t t)
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(goto-char p)))))
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;;;###autoload
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(defun org-timer-item (&optional arg)
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"Insert a description-type item with the current timer value."
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(interactive "P")
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(let ((ind 0))
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(save-excursion
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(skip-chars-backward " \n\t")
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(condition-case nil
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(progn
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(org-beginning-of-item)
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(setq ind (org-get-indentation)))
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(error nil)))
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(or (bolp) (newline))
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(org-indent-line-to ind)
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(insert "- ")
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(org-timer (if arg '(4)))
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(insert ":: ")))
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(defun org-timer-fix-incomplete (hms)
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"If hms is a H:MM:SS string with missing hour or hour and minute, fix it."
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(if (string-match "\\(?:\\([0-9]+:\\)?\\([0-9]+:\\)\\)?\\([0-9]+\\)" hms)
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(replace-match
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(format "%d:%02d:%02d"
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(if (match-end 1) (string-to-number (match-string 1 hms)) 0)
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(if (match-end 2) (string-to-number (match-string 2 hms)) 0)
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(string-to-number (match-string 3 hms)))
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t t hms)
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(error "Cannot parse HMS string \"%s\"" hms)))
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(defun org-timer-hms-to-secs (hms)
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"Convert h:mm:ss string to an integer time.
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If the string starts with a minus sign, the integer will be negative."
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(if (not (string-match
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"\\([-+]?[0-9]+\\):\\([0-9]\\{2\\}\\):\\([0-9]\\{2\\}\\)"
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hms))
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0
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(let* ((h (string-to-number (match-string 1 hms)))
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(m (string-to-number (match-string 2 hms)))
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(s (string-to-number (match-string 3 hms)))
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(sign (equal (substring (match-string 1 hms) 0 1) "-")))
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(setq h (abs h))
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(* (if sign -1 1) (+ s (* 60 (+ m (* 60 h))))))))
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(defun org-timer-secs-to-hms (s)
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"Convert integer S into h:mm:ss.
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If the integer is negative, the string will start with \"-\"."
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(let (sign m h)
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(setq sign (if (< s 0) "-" "")
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s (abs s)
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m (/ s 60) s (- s (* 60 m))
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h (/ m 60) m (- m (* 60 h)))
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(format "%s%d:%02d:%02d" sign h m s)))
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(defvar org-timer-mode-line-timer nil)
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(defvar org-timer-mode-line-string nil)
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(defun org-timer-set-mode-line (value)
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"Set the mode-line dispay of the relative timer.
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VALUE can be `on', `off', or `pause'."
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(or global-mode-string (setq global-mode-string '("")))
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(or (memq 'org-timer-mode-line-string global-mode-string)
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(setq global-mode-string
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(append global-mode-string '(org-timer-mode-line-string))))
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(cond
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((equal value 'off)
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(when org-timer-mode-line-timer
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(cancel-timer org-timer-mode-line-timer)
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(setq org-timer-mode-line-timer nil))
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(setq global-mode-string
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(delq 'org-timer-mode-line-string global-mode-string))
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(force-mode-line-update))
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((equal value 'pause)
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(when org-timer-mode-line-timer
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(cancel-timer org-timer-mode-line-timer)
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(setq org-timer-mode-line-timer nil)))
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((equal value 'on)
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(or global-mode-string (setq global-mode-string '("")))
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(or (memq 'org-timer-mode-line-string global-mode-string)
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(setq global-mode-string
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(append global-mode-string '(org-timer-mode-line-string))))
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(org-timer-update-mode-line)
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(when org-timer-mode-line-timer
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(cancel-timer org-timer-mode-line-timer))
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(setq org-timer-mode-line-timer
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(run-with-timer 1 1 'org-timer-update-mode-line)))))
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(defun org-timer-update-mode-line ()
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"Update the timer time in the mode line."
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(if org-timer-pause-time
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nil
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(setq org-timer-mode-line-string
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(concat " <" (substring (org-timer-value-string) 0 -1) ">"))
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(force-mode-line-update)))
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(provide 'org-timer)
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;; arch-tag: 97538f8c-3871-4509-8f23-1e7b3ff3d107
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;;; org-timer.el ends here
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