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|
;;; org-timer.el --- The relative timer code for Org-mode
;; Copyright (C) 2008-2013 Free Software Foundation, Inc.
;; Author: Carsten Dominik <carsten at orgmode dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
;;
;; 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:
;; This file contains the relative timer code for Org-mode
;;; Code:
(require 'org)
(declare-function org-notify "org-clock" (notification &optional play-sound))
(declare-function org-agenda-error "org-agenda" ())
(defvar org-timer-start-time nil
"t=0 for the running timer.")
(defvar org-timer-pause-time nil
"Time when the timer was paused.")
(defconst org-timer-re "\\([-+]?[0-9]+\\):\\([0-9]\\{2\\}\\):\\([0-9]\\{2\\}\\)"
"Regular expression used to match timer stamps.")
(defcustom org-timer-format "%s "
"The format to insert the time of the timer.
This format must contain one instance of \"%s\" which will be replaced by
the value of the relative timer."
:group 'org-time
:type 'string)
(defcustom org-timer-default-timer 0
"The default timer when a timer is set.
When 0, the user is prompted for a value."
:group 'org-time
:version "24.1"
:type 'number)
(defcustom org-timer-display 'mode-line
"When a timer is running, org-mode can display it in the mode
line and/or frame title.
Allowed values are:
both displays in both mode line and frame title
mode-line displays only in mode line (default)
frame-title displays only in frame title
nil current timer is not displayed"
:group 'org-time
:type '(choice
(const :tag "Mode line" mode-line)
(const :tag "Frame title" frame-title)
(const :tag "Both" both)
(const :tag "None" nil)))
(defvar org-timer-start-hook nil
"Hook run after relative timer is started.")
(defvar org-timer-stop-hook nil
"Hook run before relative timer is stopped.")
(defvar org-timer-pause-hook nil
"Hook run before relative timer is paused.")
(defvar org-timer-continue-hook nil
"Hook run after relative timer is continued.")
(defvar org-timer-set-hook nil
"Hook run after countdown timer is set.")
(defvar org-timer-done-hook nil
"Hook run after countdown timer reaches zero.")
(defvar org-timer-cancel-hook nil
"Hook run before countdown timer is canceled.")
;;;###autoload
(defun org-timer-start (&optional offset)
"Set the starting time for the relative timer to now.
When called with prefix argument OFFSET, prompt the user for an offset time,
with the default taken from a timer stamp at point, if any.
If OFFSET is a string or an integer, it is directly taken to be the offset
without user interaction.
When called with a double prefix arg, all timer strings in the active
region will be shifted by a specific amount. You will be prompted for
the amount, with the default to make the first timer string in
the region 0:00:00."
(interactive "P")
(if (equal offset '(16))
(call-interactively 'org-timer-change-times-in-region)
(let (delta def s)
(if (not offset)
(setq org-timer-start-time (current-time))
(cond
((integerp offset) (setq delta offset))
((stringp offset) (setq delta (org-timer-hms-to-secs offset)))
(t
(setq def (if (org-in-regexp org-timer-re)
(match-string 0)
"0:00:00")
s (read-string
(format "Restart timer with offset [%s]: " def)))
(unless (string-match "\\S-" s) (setq s def))
(setq delta (org-timer-hms-to-secs (org-timer-fix-incomplete s)))))
(setq org-timer-start-time
(seconds-to-time
(- (org-float-time) delta))))
(org-timer-set-mode-line 'on)
(message "Timer start time set to %s, current value is %s"
(format-time-string "%T" org-timer-start-time)
(org-timer-secs-to-hms (or delta 0)))
(run-hooks 'org-timer-start-hook))))
(defun org-timer-pause-or-continue (&optional stop)
"Pause or continue the relative timer.
With prefix arg STOP, stop it entirely."
(interactive "P")
(cond
(stop (org-timer-stop))
((not org-timer-start-time) (error "No timer is running"))
(org-timer-pause-time
;; timer is paused, continue
(setq org-timer-start-time
(seconds-to-time
(-
(org-float-time)
(- (org-float-time org-timer-pause-time)
(org-float-time org-timer-start-time))))
org-timer-pause-time nil)
(org-timer-set-mode-line 'on)
(run-hooks 'org-timer-continue-hook)
(message "Timer continues at %s" (org-timer-value-string)))
(t
;; pause timer
(run-hooks 'org-timer-pause-hook)
(setq org-timer-pause-time (current-time))
(org-timer-set-mode-line 'pause)
(message "Timer paused at %s" (org-timer-value-string)))))
(defun org-timer-stop ()
"Stop the relative timer."
(interactive)
(run-hooks 'org-timer-stop-hook)
(setq org-timer-start-time nil
org-timer-pause-time nil)
(org-timer-set-mode-line 'off)
(message "Timer stopped"))
;;;###autoload
(defun org-timer (&optional restart no-insert-p)
"Insert a H:MM:SS string from the timer into the buffer.
The first time this command is used, the timer is started. When used with
a \\[universal-argument] prefix, force restarting the timer.
When used with a double prefix argument \\[universal-argument], change all the timer string
in the region by a fixed amount. This can be used to recalibrate a timer
that was not started at the correct moment.
If NO-INSERT-P is non-nil, return the string instead of inserting
it in the buffer."
(interactive "P")
(when (or (equal restart '(4)) (not org-timer-start-time))
(org-timer-start))
(if no-insert-p
(org-timer-value-string)
(insert (org-timer-value-string))))
(defun org-timer-value-string ()
(format org-timer-format (org-timer-secs-to-hms (floor (org-timer-seconds)))))
(defvar org-timer-timer-is-countdown nil)
(defun org-timer-seconds ()
(if org-timer-timer-is-countdown
(- (org-float-time org-timer-start-time)
(org-float-time (current-time)))
(- (org-float-time (or org-timer-pause-time (current-time)))
(org-float-time org-timer-start-time))))
;;;###autoload
(defun org-timer-change-times-in-region (beg end delta)
"Change all h:mm:ss time in region by a DELTA."
(interactive
"r\nsEnter time difference like \"-1:08:26\". Default is first time to zero: ")
(let ((re "[-+]?[0-9]+:[0-9]\\{2\\}:[0-9]\\{2\\}") p)
(unless (string-match "\\S-" delta)
(save-excursion
(goto-char beg)
(when (re-search-forward re end t)
(setq delta (match-string 0))
(if (equal (string-to-char delta) ?-)
(setq delta (substring delta 1))
(setq delta (concat "-" delta))))))
(setq delta (org-timer-hms-to-secs (org-timer-fix-incomplete delta)))
(when (= delta 0) (error "No change"))
(save-excursion
(goto-char end)
(while (re-search-backward re beg t)
(setq p (point))
(replace-match
(save-match-data
(org-timer-secs-to-hms (+ (org-timer-hms-to-secs (match-string 0)) delta)))
t t)
(goto-char p)))))
;;;###autoload
(defun org-timer-item (&optional arg)
"Insert a description-type item with the current timer value."
(interactive "P")
(let ((itemp (org-in-item-p)) (pos (point)))
(cond
;; In a timer list, insert with `org-list-insert-item',
;; then fix the list.
((and itemp (goto-char itemp) (org-at-item-timer-p))
(let* ((struct (org-list-struct))
(prevs (org-list-prevs-alist struct))
(s (concat (org-timer (when arg '(4)) t) ":: ")))
(setq struct (org-list-insert-item pos struct prevs nil s))
(org-list-write-struct struct (org-list-parents-alist struct))
(looking-at org-list-full-item-re)
(goto-char (match-end 0))))
;; In a list of another type, don't break anything: throw an error.
(itemp (goto-char pos) (error "This is not a timer list"))
;; Else, start a new list.
(t
(beginning-of-line)
(org-indent-line)
(insert "- ")
(org-timer (when arg '(4)))
(insert ":: ")))))
(defun org-timer-fix-incomplete (hms)
"If hms is a H:MM:SS string with missing hour or hour and minute, fix it."
(if (string-match "\\(?:\\([0-9]+:\\)?\\([0-9]+:\\)\\)?\\([0-9]+\\)" hms)
(replace-match
(format "%d:%02d:%02d"
(if (match-end 1) (string-to-number (match-string 1 hms)) 0)
(if (match-end 2) (string-to-number (match-string 2 hms)) 0)
(string-to-number (match-string 3 hms)))
t t hms)
(error "Cannot parse HMS string \"%s\"" hms)))
(defun org-timer-hms-to-secs (hms)
"Convert h:mm:ss string to an integer time.
If the string starts with a minus sign, the integer will be negative."
(if (not (string-match
"\\([-+]?[0-9]+\\):\\([0-9]\\{2\\}\\):\\([0-9]\\{2\\}\\)"
hms))
0
(let* ((h (string-to-number (match-string 1 hms)))
(m (string-to-number (match-string 2 hms)))
(s (string-to-number (match-string 3 hms)))
(sign (equal (substring (match-string 1 hms) 0 1) "-")))
(setq h (abs h))
(* (if sign -1 1) (+ s (* 60 (+ m (* 60 h))))))))
(defun org-timer-secs-to-hms (s)
"Convert integer S into h:mm:ss.
If the integer is negative, the string will start with \"-\"."
(let (sign m h)
(setq sign (if (< s 0) "-" "")
s (abs s)
m (/ s 60) s (- s (* 60 m))
h (/ m 60) m (- m (* 60 h)))
(format "%s%d:%02d:%02d" sign h m s)))
(defvar org-timer-mode-line-timer nil)
(defvar org-timer-mode-line-string nil)
(defun org-timer-set-mode-line (value)
"Set the mode-line display of the relative timer.
VALUE can be `on', `off', or `pause'."
(when (or (eq org-timer-display 'mode-line)
(eq org-timer-display 'both))
(or global-mode-string (setq global-mode-string '("")))
(or (memq 'org-timer-mode-line-string global-mode-string)
(setq global-mode-string
(append global-mode-string '(org-timer-mode-line-string)))))
(when (or (eq org-timer-display 'frame-title)
(eq org-timer-display 'both))
(or (memq 'org-timer-mode-line-string frame-title-format)
(setq frame-title-format
(append frame-title-format '(org-timer-mode-line-string)))))
(cond
((equal value 'off)
(when org-timer-mode-line-timer
(cancel-timer org-timer-mode-line-timer)
(setq org-timer-mode-line-timer nil))
(when (or (eq org-timer-display 'mode-line)
(eq org-timer-display 'both))
(setq global-mode-string
(delq 'org-timer-mode-line-string global-mode-string)))
(when (or (eq org-timer-display 'frame-title)
(eq org-timer-display 'both))
(setq frame-title-format
(delq 'org-timer-mode-line-string frame-title-format)))
(force-mode-line-update))
((equal value 'pause)
(when org-timer-mode-line-timer
(cancel-timer org-timer-mode-line-timer)
(setq org-timer-mode-line-timer nil)))
((equal value 'on)
(when (or (eq org-timer-display 'mode-line)
(eq org-timer-display 'both))
(or global-mode-string (setq global-mode-string '("")))
(or (memq 'org-timer-mode-line-string global-mode-string)
(setq global-mode-string
(append global-mode-string '(org-timer-mode-line-string)))))
(when (or (eq org-timer-display 'frame-title)
(eq org-timer-display 'both))
(or (memq 'org-timer-mode-line-string frame-title-format)
(setq frame-title-format
(append frame-title-format '(org-timer-mode-line-string)))))
(org-timer-update-mode-line)
(when org-timer-mode-line-timer
(cancel-timer org-timer-mode-line-timer)
(setq org-timer-mode-line-timer nil))
(when org-timer-display
(setq org-timer-mode-line-timer
(run-with-timer 1 1 'org-timer-update-mode-line))))))
(defun org-timer-update-mode-line ()
"Update the timer time in the mode line."
(if org-timer-pause-time
nil
(setq org-timer-mode-line-string
(concat " <" (substring (org-timer-value-string) 0 -1) ">"))
(force-mode-line-update)))
(defvar org-timer-current-timer nil)
(defun org-timer-cancel-timer ()
"Cancel the current timer."
(interactive)
(when (eval org-timer-current-timer)
(run-hooks 'org-timer-cancel-hook)
(cancel-timer org-timer-current-timer)
(setq org-timer-current-timer nil)
(setq org-timer-timer-is-countdown nil)
(org-timer-set-mode-line 'off))
(message "Last timer canceled"))
(defun org-timer-show-remaining-time ()
"Display the remaining time before the timer ends."
(interactive)
(require 'time)
(if (not org-timer-current-timer)
(message "No timer set")
(let* ((rtime (decode-time
(time-subtract (timer--time org-timer-current-timer)
(current-time))))
(rsecs (nth 0 rtime))
(rmins (nth 1 rtime)))
(message "%d minute(s) %d seconds left before next time out"
rmins rsecs))))
;;;###autoload
(defun org-timer-set-timer (&optional opt)
"Prompt for a duration and set a timer.
If `org-timer-default-timer' is not zero, suggest this value as
the default duration for the timer. If a timer is already set,
prompt the user if she wants to replace it.
Called with a numeric prefix argument, use this numeric value as
the duration of the timer.
Called with a `C-u' prefix arguments, use `org-timer-default-timer'
without prompting the user for a duration.
With two `C-u' prefix arguments, use `org-timer-default-timer'
without prompting the user for a duration and automatically
replace any running timer."
(interactive "P")
(let ((minutes (or (and (numberp opt) (number-to-string opt))
(and (listp opt) (not (null opt))
(number-to-string org-timer-default-timer))
(read-from-minibuffer
"How many minutes left? "
(if (not (eq org-timer-default-timer 0))
(number-to-string org-timer-default-timer))))))
(if (not (string-match "[0-9]+" minutes))
(org-timer-show-remaining-time)
(let* ((mins (string-to-number (match-string 0 minutes)))
(secs (* mins 60))
(hl (cond
((string-match "Org Agenda" (buffer-name))
(let* ((marker (or (get-text-property (point) 'org-marker)
(org-agenda-error)))
(hdmarker (or (get-text-property (point) 'org-hd-marker)
marker))
(pos (marker-position marker)))
(with-current-buffer (marker-buffer marker)
(widen)
(goto-char pos)
(org-show-entry)
(or (ignore-errors (org-get-heading))
(concat "File:" (file-name-nondirectory (buffer-file-name)))))))
((derived-mode-p 'org-mode)
(or (ignore-errors (org-get-heading))
(concat "File:" (file-name-nondirectory (buffer-file-name)))))
(t (error "Not in an Org buffer"))))
timer-set)
(if (or (and org-timer-current-timer
(or (equal opt '(16))
(y-or-n-p "Replace current timer? ")))
(not org-timer-current-timer))
(progn
(require 'org-clock)
(when org-timer-current-timer
(cancel-timer org-timer-current-timer))
(setq org-timer-current-timer
(run-with-timer
secs nil `(lambda ()
(setq org-timer-current-timer nil)
(org-notify ,(format "%s: time out" hl) t)
(setq org-timer-timer-is-countdown nil)
(org-timer-set-mode-line 'off)
(run-hooks 'org-timer-done-hook))))
(run-hooks 'org-timer-set-hook)
(setq org-timer-timer-is-countdown t
org-timer-start-time
(time-add (current-time) (seconds-to-time (* mins 60))))
(org-timer-set-mode-line 'on))
(message "No timer set"))))))
(provide 'org-timer)
;; Local variables:
;; generated-autoload-file: "org-loaddefs.el"
;; End:
;;; org-timer.el ends here
|
