emacs-orgmode@gnu.org archives
 help / color / mirror / code / Atom feed
blob fe5f4fe63ab55ebb683169b6c594cf1d1cae6781 17512 bytes (raw)
name: lisp/org-habit.el 	 # note: path name is non-authoritative(*)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
 
;;; org-habit.el --- The habit tracking code for Org -*- lexical-binding: t; -*-

;; Copyright (C) 2009-2022 Free Software Foundation, Inc.

;; Author: John Wiegley <johnw at gnu dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; URL: https://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 <https://www.gnu.org/licenses/>.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Commentary:

;; This file contains the habit tracking code for Org mode

;;; Code:

(require 'org-macs)
(org-assert-version)

(require 'cl-lib)
(require 'org)
(require 'org-agenda)

(defgroup org-habit nil
  "Options concerning habit tracking in Org mode."
  :tag "Org Habit"
  :group 'org-progress)

(defcustom org-habit-graph-column 40
  "The absolute column at which to insert habit consistency graphs.
Note that consistency graphs will overwrite anything else in the buffer."
  :group 'org-habit
  :type 'integer)

(defcustom org-habit-preceding-days 21
  "Number of days before today to appear in consistency graphs."
  :group 'org-habit
  :type 'integer)

(defcustom org-habit-following-days 7
  "Number of days after today to appear in consistency graphs."
  :group 'org-habit
  :type 'integer)

(defcustom org-habit-show-habits t
  "If non-nil, show habits in agenda buffers."
  :group 'org-habit
  :type 'boolean)

(defcustom org-habit-show-habits-only-for-today t
  "If non-nil, only show habits on today's agenda, and not for future days.
Note that even when shown for future days, the graph is always
relative to the current effective date."
  :group 'org-habit
  :type 'boolean)

(defcustom org-habit-show-all-today nil
  "If non-nil, will show the consistency graph of all habits on
today's agenda, even if they are not scheduled."
  :group 'org-habit
  :type 'boolean)

(defcustom org-habit-today-glyph ?!
  "Glyph character used to identify today."
  :group 'org-habit
  :version "24.1"
  :type 'character)

(defcustom org-habit-completed-glyph ?*
  "Glyph character used to show completed days on which a task was done."
  :group 'org-habit
  :version "24.1"
  :type 'character)

(defcustom org-habit-show-done-always-green nil
  "Non-nil means DONE days will always be green in the consistency graph.
It will be green even if it was done after the deadline."
  :group 'org-habit
  :type 'boolean)

(defcustom org-habit-scheduled-past-days nil
  "Value to use instead of `org-scheduled-past-days', for habits only.

If nil, `org-scheduled-past-days' is used.

Setting this to say 10000 is a way to make habits always show up
as a reminder, even if you set `org-scheduled-past-days' to a
small value because you regard scheduled items as a way of
\"turning on\" TODO items on a particular date, rather than as a
means of creating calendar-based reminders."
  :group 'org-habit
  :type '(choice integer (const nil))
  :package-version '(Org . "9.3")
  :safe (lambda (v) (or (integerp v) (null v))))

(defface org-habit-clear-face
  '((((background light)) (:background "#8270f9"))
    (((background dark)) (:background "blue")))
  "Face for days on which a task shouldn't be done yet."
  :group 'org-habit
  :group 'org-faces)
(defface org-habit-clear-future-face
  '((((background light)) (:background "#d6e4fc"))
    (((background dark)) (:background "midnightblue")))
  "Face for future days on which a task shouldn't be done yet."
  :group 'org-habit
  :group 'org-faces)

(defface org-habit-ready-face
  '((((background light)) (:background "#4df946"))
    (((background dark)) (:background "forestgreen")))
  "Face for days on which a task should start to be done."
  :group 'org-habit
  :group 'org-faces)
(defface org-habit-ready-future-face
  '((((background light)) (:background "#acfca9"))
    (((background dark)) (:background "darkgreen")))
  "Face for days on which a task should start to be done."
  :group 'org-habit
  :group 'org-faces)

(defface org-habit-alert-face
  '((((background light)) (:background "#f5f946"))
    (((background dark)) (:background "gold")))
  "Face for days on which a task is due."
  :group 'org-habit
  :group 'org-faces)
(defface org-habit-alert-future-face
  '((((background light)) (:background "#fafca9"))
    (((background dark)) (:background "darkgoldenrod")))
  "Face for days on which a task is due."
  :group 'org-habit
  :group 'org-faces)

(defface org-habit-overdue-face
  '((((background light)) (:background "#f9372d"))
    (((background dark)) (:background "firebrick")))
  "Face for days on which a task is overdue."
  :group 'org-habit
  :group 'org-faces)
(defface org-habit-overdue-future-face
  '((((background light)) (:background "#fc9590"))
    (((background dark)) (:background "darkred")))
  "Face for days on which a task is overdue."
  :group 'org-habit
  :group 'org-faces)

(defun org-habit-duration-to-days (ts)
  (if (string-match "\\([0-9]+\\)\\([dwmy]\\)" ts)
      ;; lead time is specified.
      (floor (* (string-to-number (match-string 1 ts))
		(cdr (assoc (match-string 2 ts)
			    '(("d" . 1)    ("w" . 7)
			      ("m" . 30.4) ("y" . 365.25))))))
    (error "Invalid duration string: %s" ts)))

(defun org-is-habit-p (&optional pom)
  "Is the task at POM or point a habit?"
  (string= "habit" (org-entry-get (or pom (point)) "STYLE")))

(defun org-habit-parse-todo (&optional pom)
  "Parse the TODO surrounding point for its habit-related data.
Returns a list with the following elements:

  0: Scheduled date for the habit (may be in the past)
  1: \".+\"-style repeater for the schedule, in days
  2: Optional deadline (nil if not present)
  3: If deadline, the repeater for the deadline, otherwise nil
  4: A list of all the past dates this todo was mark closed
  5: Repeater type as a string

This list represents a \"habit\" for the rest of this module."
  (save-excursion
    (if pom (goto-char pom))
    (cl-assert (org-is-habit-p (point)))
    (let* ((scheduled (org-get-scheduled-time (point)))
	   (scheduled-repeat (org-get-repeat (org-entry-get (point) "SCHEDULED")))
	   (end (org-entry-end-position))
	   (habit-entry (org-no-properties (nth 4 (org-heading-components))))
	   closed-dates deadline dr-days sr-days sr-type)
      (if scheduled
	  (setq scheduled (time-to-days scheduled))
	(error "Habit %s has no scheduled date" habit-entry))
      (unless scheduled-repeat
	(error
	 "Habit `%s' has no scheduled repeat period or has an incorrect one"
	 habit-entry))
      (setq sr-days (org-habit-duration-to-days scheduled-repeat)
	    sr-type (progn (string-match "[\\.+]?\\+" scheduled-repeat)
			   (match-string-no-properties 0 scheduled-repeat)))
      (unless (> sr-days 0)
	(error "Habit %s scheduled repeat period is less than 1d" habit-entry))
      (when (string-match "/\\([0-9]+[dwmy]\\)" scheduled-repeat)
	(setq dr-days (org-habit-duration-to-days
		       (match-string-no-properties 1 scheduled-repeat)))
	(if (<= dr-days sr-days)
	    (error "Habit %s deadline repeat period is less than or equal to scheduled (%s)"
		   habit-entry scheduled-repeat))
	(setq deadline (+ scheduled (- dr-days sr-days))))
      (org-back-to-heading t)
      (let* ((firstday (- (org-today) org-habit-preceding-days))
	     (reversed org-log-states-order-reversed)
	     (search (if reversed 're-search-forward 're-search-backward))
	     (limit (if reversed end (point)))
	     (done nil)
	     (re (format
		  "^[ \t]*-[ \t]+\\(?:State \"%s\".*%s%s\\)"
		  (regexp-opt org-done-keywords)
		  org-ts-regexp-inactive
		  (let ((value (cdr (assq 'done org-log-note-headings))))
		    (if (not value) ""
		      (concat "\\|"
			      (org-replace-escapes
			       (regexp-quote value)
			       `(("%d" . ,org-ts-regexp-inactive)
				 ("%D" . ,org-ts-regexp)
				 ("%s" . "\"\\S-+\"")
				 ("%S" . "\"\\S-+\"")
				 ("%t" . ,org-ts-regexp-inactive)
				 ("%T" . ,org-ts-regexp)
				 ("%u" . ".*?")
				 ("%U" . ".*?")))))))))
	(unless reversed (goto-char end))
	(while (and (not done) (funcall search re limit t))
	  (push (time-to-days
		 (org-time-string-to-time
		  (or (match-string-no-properties 1)
		      (match-string-no-properties 2))))
		closed-dates)
          (when (< (car closed-dates) firstday)
            (setq done t))))
      (list scheduled sr-days deadline dr-days closed-dates sr-type))))

(defsubst org-habit-scheduled (habit)
  (nth 0 habit))
(defsubst org-habit-scheduled-repeat (habit)
  (nth 1 habit))
(defsubst org-habit-deadline (habit)
  (let ((deadline (nth 2 habit)))
    (or deadline
	(if (nth 3 habit)
	    (+ (org-habit-scheduled habit)
	       (1- (org-habit-scheduled-repeat habit)))
	  (org-habit-scheduled habit)))))
(defsubst org-habit-deadline-repeat (habit)
  (or (nth 3 habit)
      (org-habit-scheduled-repeat habit)))
(defsubst org-habit-done-dates (habit)
  (nth 4 habit))
(defsubst org-habit-repeat-type (habit)
  (nth 5 habit))

(defsubst org-habit-get-priority (habit &optional moment)
  "Determine the relative priority of a habit.
This must take into account not just urgency, but consistency as well."
  (let ((pri 1000)
	(now (if moment (time-to-days moment) (org-today)))
	(scheduled (org-habit-scheduled habit))
	(deadline (org-habit-deadline habit)))
    ;; add 10 for every day past the scheduled date, and subtract for every
    ;; day before it
    (setq pri (+ pri (* (- now scheduled) 10)))
    ;; add 50 if the deadline is today
    (if (and (/= scheduled deadline)
	     (= now deadline))
	(setq pri (+ pri 50)))
    ;; add 100 for every day beyond the deadline date, and subtract 10 for
    ;; every day before it
    (let ((slip (- now (1- deadline))))
      (if (> slip 0)
	  (setq pri (+ pri (* slip 100)))
	(setq pri (+ pri (* slip 10)))))
    pri))

(defun org-habit-get-faces (habit &optional now-days scheduled-days donep)
  "Return faces for HABIT relative to NOW-DAYS and SCHEDULED-DAYS.
NOW-DAYS defaults to the current time's days-past-the-epoch if nil.
SCHEDULED-DAYS defaults to the habit's actual scheduled days if nil.

Habits are assigned colors on the following basis:
  Blue      Task is before the scheduled date.
  Green     Task is on or after scheduled date, but before the
	    end of the schedule's repeat period.
  Yellow    If the task has a deadline, then it is after schedule's
	    repeat period, but before the deadline.
  Orange    The task has reached the deadline day, or if there is
	    no deadline, the end of the schedule's repeat period.
  Red       The task has gone beyond the deadline day or the
	    schedule's repeat period."
  (let* ((scheduled (or scheduled-days (org-habit-scheduled habit)))
	 (s-repeat (org-habit-scheduled-repeat habit))
	 (d-repeat (org-habit-deadline-repeat habit))
	 (deadline (if scheduled-days
		       (+ scheduled-days (- d-repeat s-repeat))
		     (org-habit-deadline habit)))
	 (m-days (or now-days (time-to-days nil))))
    (cond
     ((< m-days scheduled)
      '(org-habit-clear-face . org-habit-clear-future-face))
     ((< m-days deadline)
      '(org-habit-ready-face . org-habit-ready-future-face))
     ((= m-days deadline)
      (if donep
	  '(org-habit-ready-face . org-habit-ready-future-face)
	'(org-habit-alert-face . org-habit-alert-future-face)))
     ((and org-habit-show-done-always-green donep)
      '(org-habit-ready-face . org-habit-ready-future-face))
     (t '(org-habit-overdue-face . org-habit-overdue-future-face)))))

(defun org-habit-build-graph (habit starting current ending)
  "Build a graph for the given HABIT, from STARTING to ENDING.
CURRENT gives the current time between STARTING and ENDING, for
the purpose of drawing the graph.  It need not be the actual
current time."
  (let* ((all-done-dates (sort (org-habit-done-dates habit) #'<))
	 (done-dates all-done-dates)
	 (scheduled (org-habit-scheduled habit))
	 (s-repeat (org-habit-scheduled-repeat habit))
	 (start (time-to-days starting))
	 (now (time-to-days current))
	 (end (time-to-days ending))
	 (graph (make-string (1+ (- end start)) ?\s))
	 (index 0)
	 last-done-date)
    (while (and done-dates (< (car done-dates) start))
      (setq last-done-date (car done-dates)
	    done-dates (cdr done-dates)))
    (while (< start end)
      (let* ((in-the-past-p (< start now))
	     (todayp (= start now))
	     (donep (and done-dates (= start (car done-dates))))
	     (faces
	      (if (and in-the-past-p
		       (not last-done-date)
		       (not (< scheduled now)))
		  (if (and all-done-dates (= (car all-done-dates) start))
		      ;; This is the very first done of this habit.
		      '(org-habit-ready-face . org-habit-ready-future-face)
		    '(org-habit-clear-face . org-habit-clear-future-face))
		(org-habit-get-faces
		 habit start
		 (and in-the-past-p
		      last-done-date
		      ;; Compute scheduled time for habit at the time
		      ;; START was current.
		      (let ((type (org-habit-repeat-type habit)))
			(cond
			 ;; At the last done date, use current
			 ;; scheduling in all cases.
			 ((null done-dates) scheduled)
			 ((equal type ".+") (+ last-done-date s-repeat))
			 ((equal type "+")
			  ;; Since LAST-DONE-DATE, each done mark
			  ;; shifted scheduled date by S-REPEAT.
			  (- scheduled (* (length done-dates) s-repeat)))
			 (t
			  ;; Compute the scheduled time after the
			  ;; first repeat.  This is the closest time
			  ;; past FIRST-DONE which can reach SCHEDULED
			  ;; by a number of S-REPEAT hops.
			  ;;
			  ;; Then, play TODO state change history from
			  ;; the beginning in order to find current
			  ;; scheduled time.
			  (let* ((first-done (car all-done-dates))
				 (s (let ((shift (mod (- scheduled first-done)
						      s-repeat)))
				      (+ (if (= shift 0) s-repeat shift)
					 first-done))))
			    (if (= first-done last-done-date) s
			      (catch :exit
				(dolist (done (cdr all-done-dates) s)
				  ;; Each repeat shifts S by any
				  ;; number of S-REPEAT hops it takes
				  ;; to get past DONE, with a minimum
				  ;; of one hop.
				  (cl-incf s (* (1+ (/ (max (- done s) 0)
						       s-repeat))
						s-repeat))
				  (when (= done last-done-date)
				    (throw :exit s))))))))))
		 donep)))
	     markedp face)
	(cond
	 (donep
	  (aset graph index org-habit-completed-glyph)
	  (setq markedp t)
	  (while (and done-dates (= start (car done-dates)))
	    (setq last-done-date (car done-dates))
	    (setq done-dates (cdr done-dates))))
	 (todayp
	  (aset graph index org-habit-today-glyph)))
	(setq face (if (or in-the-past-p todayp)
		       (car faces)
		     (cdr faces)))
	(when (and in-the-past-p
		   (not (eq face 'org-habit-overdue-face))
		   (not markedp))
	  (setq face (cdr faces)))
	(put-text-property index (1+ index) 'face face graph)
	(put-text-property index (1+ index)
			   'help-echo
			   (concat (format-time-string
				    (org-time-stamp-format)
				    (time-add starting (days-to-time (- start (time-to-days starting)))))
				   (if donep " DONE" ""))
			   graph))
      (setq start (1+ start)
	    index (1+ index)))
    graph))

(defun org-habit-insert-consistency-graphs (&optional line)
  "Insert consistency graph for any habitual tasks."
  (let ((inhibit-read-only t)
	(buffer-invisibility-spec '(org-link))
	(moment (time-subtract nil (* 3600 org-extend-today-until))))
    (save-excursion
      (goto-char (if line (line-beginning-position) (point-min)))
      (while (not (eobp))
	(let ((habit (get-text-property (point) 'org-habit-p))
              (invisible-prop (get-text-property (point) 'invisible)))
	  (when habit
	    (move-to-column org-habit-graph-column t)
	    (delete-char (min (+ 1 org-habit-preceding-days
				 org-habit-following-days)
			      (- (line-end-position) (point))))
	    (insert-before-markers
	     (org-habit-build-graph
	      habit
	      (time-subtract moment (days-to-time org-habit-preceding-days))
	      moment
	      (time-add moment (days-to-time org-habit-following-days))))
            ;; Inherit invisible state of hidden entries.
            (when invisible-prop
              (put-text-property
               (- (point) org-habit-graph-column) (point)
               'invisible invisible-prop))))
	(forward-line)))))

(defun org-habit-toggle-habits ()
  "Toggle display of habits in an agenda buffer."
  (interactive)
  (org-agenda-check-type t 'agenda)
  (setq org-habit-show-habits (not org-habit-show-habits))
  (org-agenda-redo)
  (org-agenda-set-mode-name)
  (message "Habits turned %s"
	   (if org-habit-show-habits "on" "off")))

(defun org-habit-toggle-display-in-agenda (arg)
  "Toggle display of habits in agenda.
With ARG toggle display of all vs. undone scheduled habits.
See `org-habit-show-all-today'."
  (interactive "P")
  (if (not arg)
      (org-habit-toggle-habits)
    (org-agenda-check-type t 'agenda)
    (setq org-habit-show-all-today (not org-habit-show-all-today))
    (when org-habit-show-habits (org-agenda-redo))))

(org-defkey org-agenda-mode-map "K" 'org-habit-toggle-display-in-agenda)

(provide 'org-habit)

;;; org-habit.el ends here

debug log:

solving fe5f4fe63 ...
found fe5f4fe63 in https://list.orgmode.org/orgmode/DM5PR03MB316387549A971AD4036E59EDC5239@DM5PR03MB3163.namprd03.prod.outlook.com/
found 677b7adb6 in https://git.savannah.gnu.org/cgit/emacs/org-mode.git
preparing index
index prepared:
100644 677b7adb6f0d9c77b3b9375cd96d9158f0ea004e	lisp/org-habit.el

applying [1/1] https://list.orgmode.org/orgmode/DM5PR03MB316387549A971AD4036E59EDC5239@DM5PR03MB3163.namprd03.prod.outlook.com/
diff --git a/lisp/org-habit.el b/lisp/org-habit.el
index 677b7adb6..fe5f4fe63 100644

Checking patch lisp/org-habit.el...
Applied patch lisp/org-habit.el cleanly.

index at:
100644 fe5f4fe63ab55ebb683169b6c594cf1d1cae6781	lisp/org-habit.el

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).