unofficial mirror of notmuch@notmuchmail.org
 help / color / mirror / code / Atom feed
blob cded5a1f2da1ee0686c30401b3a874d1f05f23a6 28486 bytes (raw)
name: contrib/notmuch-pick/notmuch-pick.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
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
 
;; notmuch-pick.el --- displaying notmuch forests.
;;
;; Copyright © Carl Worth
;; Copyright © David Edmondson
;; Copyright © Mark Walters
;;
;; This file is part of Notmuch.
;;
;; Notmuch 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.
;;
;; Notmuch 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 Notmuch.  If not, see <http://www.gnu.org/licenses/>.
;;
;; Authors: David Edmondson <dme@dme.org>
;;          Mark Walters <markwalters1009@gmail.com>

(require 'mail-parse)

(require 'notmuch-lib)
(require 'notmuch-query)
(require 'notmuch-show)
(require 'notmuch) ;; XXX ATM, as notmuch-search-mode-map is defined here

(eval-when-compile (require 'cl))

(declare-function notmuch-call-notmuch-process "notmuch" (&rest args))
(declare-function notmuch-show "notmuch-show" (&rest args))
(declare-function notmuch-tag "notmuch" (query &rest tags))
(declare-function notmuch-show-strip-re "notmuch-show" (subject))
(declare-function notmuch-show-spaces-n "notmuch-show" (n))
(declare-function notmuch-read-query "notmuch" (prompt))
(declare-function notmuch-read-tag-changes "notmuch" (&optional initial-input &rest search-terms))
(declare-function notmuch-update-tags "notmuch" (current-tags tag-changes))
(declare-function notmuch-hello-trim "notmuch-hello" (search))
(declare-function notmuch-search-find-thread-id "notmuch" ())
(declare-function notmuch-search-find-subject "notmuch" ())

;; the following variable is defined in notmuch.el
(defvar notmuch-search-query-string)

(defgroup notmuch-pick nil
  "Showing message and thread structure."
  :group 'notmuch)

;; This is ugly. We can't run setup-show-out until it has been defined
;; which needs the keymap to be defined. So we defer setting up to
;; notmuch-pick-init.
(defcustom notmuch-pick-show-out nil
  "View selected messages in new window rather than split-pane."
  :type 'boolean
  :group 'notmuch-pick
  :set (lambda (symbol value)
	 (set-default symbol value)
	 (when (fboundp 'notmuch-pick-setup-show-out)
	   (notmuch-pick-setup-show-out))))

(defcustom notmuch-pick-result-format
  `(("date" . "%12s  ")
    ("authors" . "%-20s")
    ("subject" . " %-54s ")
    ("tags" . "(%s)"))
  "Result formatting for Pick. Supported fields are: date,
        authors, subject, tags Note: subject includes the tree
        structure graphics, and the author string should not
        contain whitespace (put it in the neighbouring fields
        instead).  For example:
        (setq notmuch-pick-result-format \(\(\"authors\" . \"%-40s\"\)
                                             \(\"subject\" . \"%s\"\)\)\)"
  :type '(alist :key-type (string) :value-type (string))
  :group 'notmuch-pick)

(defcustom notmuch-pick-asynchronous-parser t
  "Use the asynchronous parser."
  :type 'boolean
  :group 'notmuch-pick)

;; Faces for messages that match the query.
(defface notmuch-pick-match-date-face
  '((t :inherit default))
  "Face used in pick mode for the date in messages matching the query."
  :group 'notmuch-pick
  :group 'notmuch-faces)

(defface notmuch-pick-match-author-face
  '((((class color)
      (background dark))
     (:foreground "OliveDrab1"))
    (((class color)
      (background light))
     (:foreground "dark blue"))
    (t
     (:bold t)))
  "Face used in pick mode for the date in messages matching the query."
  :group 'notmuch-pick
  :group 'notmuch-faces)

(defface notmuch-pick-match-subject-face
  '((t :inherit default))
  "Face used in pick mode for the subject in messages matching the query."
  :group 'notmuch-pick
  :group 'notmuch-faces)

(defface notmuch-pick-match-tag-face
  '((((class color)
      (background dark))
     (:foreground "OliveDrab1"))
    (((class color)
      (background light))
     (:foreground "navy blue" :bold t))
    (t
     (:bold t)))
  "Face used in pick mode for tags in messages matching the query."
  :group 'notmuch-pick
  :group 'notmuch-faces)

;; Faces for messages that do not match the query.
(defface notmuch-pick-no-match-date-face
  '((t (:foreground "gray")))
  "Face used in pick mode for non-matching dates."
  :group 'notmuch-pick
  :group 'notmuch-faces)

(defface notmuch-pick-no-match-subject-face
  '((t (:foreground "gray")))
  "Face used in pick mode for non-matching subjects."
  :group 'notmuch-pick
  :group 'notmuch-faces)

(defface notmuch-pick-no-match-author-face
  '((t (:foreground "gray")))
  "Face used in pick mode for the date in messages matching the query."
  :group 'notmuch-pick
  :group 'notmuch-faces)

(defface notmuch-pick-no-match-tag-face
  '((t (:foreground "gray")))
  "Face used in pick mode face for non-matching tags."
  :group 'notmuch-pick
  :group 'notmuch-faces)

(defvar notmuch-pick-previous-subject "")
(make-variable-buffer-local 'notmuch-pick-previous-subject)

;; The basic query i.e. the key part of the search request.
(defvar notmuch-pick-basic-query nil)
(make-variable-buffer-local 'notmuch-pick-basic-query)
;; The context of the search: i.e., useful but can be dropped.
(defvar notmuch-pick-query-context nil)
(make-variable-buffer-local 'notmuch-pick-query-context)
(defvar notmuch-pick-buffer-name nil)
(make-variable-buffer-local 'notmuch-pick-buffer-name)
(defvar notmuch-pick-message-window nil)
(make-variable-buffer-local 'notmuch-pick-message-window)
(put 'notmuch-pick-message-window 'permanent-local t)
(defvar notmuch-pick-message-buffer nil)
(make-variable-buffer-local 'notmuch-pick-message-buffer-name)
(put 'notmuch-pick-message-buffer-name 'permanent-local t)
(defvar notmuch-pick-process-state nil
  "Parsing state of the search process filter.")

(defun notmuch-pick-message-buffer-command ()
  "Pass key through to show pane"
  (interactive)
  (let ((command (lookup-key notmuch-show-mode-map (this-command-keys)))
	(split-pane (window-live-p notmuch-pick-message-window)))
    (unless split-pane
      (notmuch-pick-show-message))
    (with-current-buffer notmuch-pick-message-buffer
      (funcall command))
    (unless split-pane
      (notmuch-pick-close-message-window))))

(defvar notmuch-pick-mode-map
  (let ((map (make-sparse-keymap)))
    ;; This has to come first so it gets overwritten by pick's own
    ;; commands.
    (loop for seq being the key-seqs of notmuch-show-mode-map
	  do
	  (define-key map seq 'notmuch-pick-message-buffer-command))
    (define-key map [mouse-1] 'notmuch-pick-show-message)
    (define-key map "q" 'notmuch-pick-quit)
    (define-key map "x" 'notmuch-pick-quit)
    (define-key map "?" 'notmuch-help)
    (define-key map "a" 'notmuch-pick-archive-message)
    (define-key map "=" 'notmuch-pick-refresh-view)
    (define-key map "s" 'notmuch-search)
    (define-key map "z" 'notmuch-pick)
    (define-key map "m" 'notmuch-pick-new-mail)
    (define-key map "f" 'notmuch-pick-forward-message)
    (define-key map "r" 'notmuch-pick-reply-sender)
    (define-key map "R" 'notmuch-pick-reply)
    (define-key map "n" 'notmuch-pick-next-matching-message)
    (define-key map "p" 'notmuch-pick-prev-matching-message)
    (define-key map "N" 'notmuch-pick-next-message)
    (define-key map "P" 'notmuch-pick-prev-message)
    (define-key map "|" 'notmuch-pick-pipe-message)
    (define-key map "-" 'notmuch-pick-remove-tag)
    (define-key map "+" 'notmuch-pick-add-tag)
    (define-key map " " 'notmuch-pick-scroll-or-next)
    (define-key map "b" 'notmuch-pick-scroll-message-window-back)
    map))
(fset 'notmuch-pick-mode-map notmuch-pick-mode-map)

(defun notmuch-pick-setup-show-out ()
  (let ((map notmuch-pick-mode-map))
    (if notmuch-pick-show-out
	(progn
	  (define-key map (kbd "M-RET") 'notmuch-pick-show-message)
	  (define-key map (kbd "RET") 'notmuch-pick-show-message-out))
      (progn
	(define-key map (kbd "RET") 'notmuch-pick-show-message)
	(define-key map (kbd "M-RET") 'notmuch-pick-show-message-out)))))

(defun notmuch-pick-get-message-properties ()
  "Return the properties of the current message as a plist.

Some useful entries are:
:headers - Property list containing the headers :Date, :Subject, :From, etc.
:tags - Tags for this message"
  (save-excursion
    (beginning-of-line)
    (get-text-property (point) :notmuch-message-properties)))

(defun notmuch-pick-set-message-properties (props)
  (save-excursion
    (beginning-of-line)
    (put-text-property (point) (+ (point) 1) :notmuch-message-properties props)))

(defun notmuch-pick-set-prop (prop val &optional props)
  (let ((inhibit-read-only t)
	(props (or props
		   (notmuch-pick-get-message-properties))))
    (plist-put props prop val)
    (notmuch-pick-set-message-properties props)))

(defun notmuch-pick-get-prop (prop &optional props)
  (let ((props (or props
		   (notmuch-pick-get-message-properties))))
    (plist-get props prop)))

(defun notmuch-pick-set-tags (tags)
  "Set the tags of the current message."
  (notmuch-pick-set-prop :tags tags))

(defun notmuch-pick-get-tags ()
  "Return the tags of the current message."
  (notmuch-pick-get-prop :tags))

(defun notmuch-pick-get-message-id ()
  "Return the message id of the current message."
  (let ((id (notmuch-pick-get-prop :id)))
    (if id
	(notmuch-id-to-query id)
      nil)))

(defun notmuch-pick-get-match ()
  "Return whether the current message is a match."
  (interactive)
  (notmuch-pick-get-prop :match))

(defun notmuch-pick-refresh-result ()
  (let ((init-point (point))
	(end (line-end-position))
	(msg (notmuch-pick-get-message-properties))
	(inhibit-read-only t))
    (beginning-of-line)
    (delete-region (point) (1+ (line-end-position)))
    (notmuch-pick-insert-msg msg)
    (let ((new-end (line-end-position)))
      (goto-char (if (= init-point end)
		     new-end
		   (min init-point (- new-end 1)))))))

(defun notmuch-pick-tag-update-display (&optional tag-changes)
  "Update display for TAG-CHANGES to current message.

Does NOT change the database."
  (let* ((current-tags (notmuch-pick-get-tags))
	 (new-tags (notmuch-update-tags current-tags tag-changes)))
    (unless (equal current-tags new-tags)
      (notmuch-pick-set-tags new-tags)
      (notmuch-pick-refresh-result))))

(defun notmuch-pick-tag (&optional tag-changes)
  "Change tags for the current message"
  (interactive)
  (setq tag-changes (funcall 'notmuch-tag (notmuch-pick-get-message-id) tag-changes))
  (notmuch-pick-tag-update-display tag-changes))

(defun notmuch-pick-add-tag ()
  "Same as `notmuch-pick-tag' but sets initial input to '+'."
  (interactive)
  (notmuch-pick-tag "+"))

(defun notmuch-pick-remove-tag ()
  "Same as `notmuch-pick-tag' but sets initial input to '-'."
  (interactive)
  (notmuch-pick-tag "-"))

;; This function should be in notmuch-hello.el but we are trying to
;; minimise impact on the rest of the codebase.
(defun notmuch-pick-from-hello (&optional search)
  "Run a query and display results in experimental notmuch-pick mode"
  (interactive)
  (unless (null search)
    (setq search (notmuch-hello-trim search))
    (let ((history-delete-duplicates t))
      (add-to-history 'notmuch-search-history search)))
  (notmuch-pick search))

;; This function should be in notmuch-show.el but be we trying to
;; minimise impact on the rest of the codebase.
(defun notmuch-pick-from-show-current-query ()
  "Call notmuch pick with the current query"
  (interactive)
  (notmuch-pick notmuch-show-thread-id notmuch-show-query-context))

;; This function should be in notmuch.el but be we trying to minimise
;; impact on the rest of the codebase.
(defun notmuch-pick-from-search-current-query ()
  "Call notmuch pick with the current query"
  (interactive)
  (notmuch-pick notmuch-search-query-string))

;; This function should be in notmuch.el but be we trying to minimise
;; impact on the rest of the codebase.
(defun notmuch-pick-from-search-thread ()
  "Show the selected thread with notmuch-pick"
  (interactive)
  (notmuch-pick (notmuch-search-find-thread-id)
                notmuch-search-query-string
                (notmuch-prettify-subject (notmuch-search-find-subject)))
  (notmuch-pick-show-match-message-with-wait))

(defun notmuch-pick-show-message ()
  "Show the current message (in split-pane)."
  (interactive)
  (let ((id (notmuch-pick-get-message-id))
	(inhibit-read-only t)
	buffer)
    (when id
      ;; We close and reopen the window to kill off un-needed buffers
      ;; this might cause flickering but seems ok.
      (notmuch-pick-close-message-window)
      (setq notmuch-pick-message-window
	    (split-window-vertically (/ (window-height) 4)))
      (with-selected-window notmuch-pick-message-window
	(setq current-prefix-arg '(4))
	(setq buffer (notmuch-show id nil nil nil)))
      (notmuch-pick-tag-update-display (list "-unread")))
    (setq notmuch-pick-message-buffer buffer)))

(defun notmuch-pick-show-message-out ()
  "Show the current message (in whole window)."
  (interactive)
  (let ((id (notmuch-pick-get-message-id))
	(inhibit-read-only t)
	buffer)
    (when id
      ;; We close the window to kill off un-needed buffers.
      (notmuch-pick-close-message-window)
      (notmuch-show id nil nil nil))))

(defun notmuch-pick-scroll-message-window ()
  "Scroll the message window (if it exists)"
  (interactive)
  (when (window-live-p notmuch-pick-message-window)
    (with-selected-window notmuch-pick-message-window
      (if (pos-visible-in-window-p (point-max))
	  t
	(scroll-up)))))

(defun notmuch-pick-scroll-message-window-back ()
  "Scroll the message window back(if it exists)"
  (interactive)
  (when (window-live-p notmuch-pick-message-window)
    (with-selected-window notmuch-pick-message-window
      (if (pos-visible-in-window-p (point-min))
	  t
	(scroll-down)))))

(defun notmuch-pick-scroll-or-next ()
  "Scroll the message window. If it at end go to next message."
  (interactive)
  (when (notmuch-pick-scroll-message-window)
    (notmuch-pick-next-matching-message)))

(defun notmuch-pick-quit ()
  "Close the split view or exit pick."
  (interactive)
  (unless (notmuch-pick-close-message-window)
    (kill-buffer (current-buffer))))

(defun notmuch-pick-close-message-window ()
  "Close the message-window. Return t if close succeeds."
  (interactive)
  (when (and (window-live-p notmuch-pick-message-window)
	     (eq (window-buffer notmuch-pick-message-window) notmuch-pick-message-buffer))
    (delete-window notmuch-pick-message-window)
    (unless (get-buffer-window-list notmuch-pick-message-buffer)
      (kill-buffer notmuch-pick-message-buffer))
    t))

(defun notmuch-pick-archive-message ()
  "Archive the current message and move to next matching message."
  (interactive)
  (notmuch-pick-tag "-inbox")
  (notmuch-pick-next-matching-message))

(defun notmuch-pick-next-message ()
  "Move to next message."
  (interactive)
  (forward-line)
  (when (window-live-p notmuch-pick-message-window)
    (notmuch-pick-show-message)))

(defun notmuch-pick-prev-message ()
  "Move to previous message."
  (interactive)
  (forward-line -1)
  (when (window-live-p notmuch-pick-message-window)
    (notmuch-pick-show-message)))

(defun notmuch-pick-prev-matching-message ()
  "Move to previous matching message."
  (interactive)
  (forward-line -1)
  (while (and (not (bobp)) (not (notmuch-pick-get-match)))
    (forward-line -1))
  (when (window-live-p notmuch-pick-message-window)
    (notmuch-pick-show-message)))

(defun notmuch-pick-next-matching-message ()
  "Move to next matching message."
  (interactive)
  (forward-line)
  (while (and (not (eobp)) (not (notmuch-pick-get-match)))
    (forward-line))
  (when (window-live-p notmuch-pick-message-window)
    (notmuch-pick-show-message)))

(defun notmuch-pick-show-match-message-with-wait ()
  "Show the first matching message but wait for it to appear or search to finish."
  (interactive)
  (unless (notmuch-pick-get-match)
    (notmuch-pick-next-matching-message))
  (while (and (not (notmuch-pick-get-match))
	      (get-buffer-process (current-buffer)))
    (message "waiting for message")
    (sit-for 0.1)
    (goto-char (point-min))
    (unless (notmuch-pick-get-match)
      (notmuch-pick-next-matching-message)))
  (message nil)
  (when (notmuch-pick-get-match)
    (notmuch-pick-show-message)))

(defun notmuch-pick-refresh-view ()
  "Refresh view."
  (interactive)
  (let ((inhibit-read-only t)
	(basic-query notmuch-pick-basic-query)
	(query-context notmuch-pick-query-context)
	(buffer-name notmuch-pick-buffer-name))
    (erase-buffer)
    (notmuch-pick-worker basic-query query-context (get-buffer buffer-name))))

(defmacro with-current-notmuch-pick-message (&rest body)
  "Evaluate body with current buffer set to the text of current message"
  `(save-excursion
     (let ((id (notmuch-pick-get-message-id)))
       (let ((buf (generate-new-buffer (concat "*notmuch-msg-" id "*"))))
         (with-current-buffer buf
	    (call-process notmuch-command nil t nil "show" "--format=raw" id)
           ,@body)
	 (kill-buffer buf)))))

(defun notmuch-pick-new-mail (&optional prompt-for-sender)
  "Compose new mail."
  (interactive "P")
  (notmuch-pick-close-message-window)
  (notmuch-mua-new-mail prompt-for-sender ))

(defun notmuch-pick-forward-message (&optional prompt-for-sender)
  "Forward the current message."
  (interactive "P")
  (notmuch-pick-close-message-window)
  (with-current-notmuch-pick-message
   (notmuch-mua-new-forward-message prompt-for-sender)))

(defun notmuch-pick-reply (&optional prompt-for-sender)
  "Reply to the sender and all recipients of the current message."
  (interactive "P")
  (notmuch-pick-close-message-window)
  (notmuch-mua-new-reply (notmuch-pick-get-message-id) prompt-for-sender t))

(defun notmuch-pick-reply-sender (&optional prompt-for-sender)
  "Reply to the sender of the current message."
  (interactive "P")
  (notmuch-pick-close-message-window)
  (notmuch-mua-new-reply (notmuch-pick-get-message-id) prompt-for-sender nil))

;; Shamelessly stolen from notmuch-show.el: maybe should be unified.
(defun notmuch-pick-pipe-message (command)
  "Pipe the contents of the current message to the given command.

The given command will be executed with the raw contents of the
current email message as stdin. Anything printed by the command
to stdout or stderr will appear in the *notmuch-pipe* buffer.

When invoked with a prefix argument, the command will receive all
open messages in the current thread (formatted as an mbox) rather
than only the current message."
  (interactive "sPipe message to command: ")
  (let ((shell-command
	 (concat notmuch-command " show --format=raw "
		 (shell-quote-argument (notmuch-pick-get-message-id)) " | " command))
	 (buf (get-buffer-create (concat "*notmuch-pipe*"))))
    (with-current-buffer buf
      (setq buffer-read-only nil)
      (erase-buffer)
      (let ((exit-code (call-process-shell-command shell-command nil buf)))
	(goto-char (point-max))
	(set-buffer-modified-p nil)
	(setq buffer-read-only t)
	(unless (zerop exit-code)
	  (switch-to-buffer-other-window buf)
	  (message (format "Command '%s' exited abnormally with code %d"
			   shell-command exit-code)))))))

(defun notmuch-pick-clean-address (address)
  "Try to clean a single email ADDRESS for display. Return
AUTHOR_NAME if present, otherwise return AUTHOR_EMAIL. Return
unchanged ADDRESS if parsing fails."
  (let* ((clean-address (notmuch-clean-address address))
	 (p-address (car clean-address))
	 (p-name (cdr clean-address)))

    ;; If we have a name return that otherwise return the address.
    (or p-name p-address)))

(defun notmuch-pick-insert-field (field format-string msg)
  (let* ((headers (plist-get msg :headers))
	(match (plist-get msg :match)))
    (cond
     ((string-equal field "date")
      (let ((face (if match
		      'notmuch-pick-match-date-face
		    'notmuch-pick-no-match-date-face)))
	(insert (propertize (format format-string (plist-get msg :date_relative))
			    'face face))))

     ((string-equal field "subject")
      (let ((tree-status (plist-get msg :tree-status))
	    (bare-subject (notmuch-show-strip-re (plist-get headers :Subject)))
	    (face (if match
		      'notmuch-pick-match-subject-face
		    'notmuch-pick-no-match-subject-face)))
	(insert (propertize (format format-string
				    (concat
				     (mapconcat #'identity (reverse tree-status) "")
				     (if (string= notmuch-pick-previous-subject bare-subject)
					 " ..."
				       bare-subject)))
			    'face face))
	(setq notmuch-pick-previous-subject bare-subject)))

     ((string-equal field "authors")
      (let ((author (notmuch-pick-clean-address (plist-get headers :From)))
	    (len (length (format format-string "")))
	    (face (if match
		      'notmuch-pick-match-author-face
		    'notmuch-pick-no-match-author-face)))
	(when (> (length author) len)
	  (setq author (substring author 0 len)))
	(insert (propertize (format format-string author)
			    'face face))))

     ((string-equal field "tags")
      (let ((tags (plist-get msg :tags))
	    (face (if match
			  'notmuch-pick-match-tag-face
			'notmuch-pick-no-match-tag-face)))
	(when tags
	  (insert (propertize (format format-string
				      (mapconcat #'identity tags ", "))
			      'face face))))))))

(defun notmuch-pick-insert-msg (msg)
  "Insert the message MSG according to notmuch-pick-result-format"
  (dolist (spec notmuch-pick-result-format)
    (notmuch-pick-insert-field (car spec) (cdr spec) msg))
  (notmuch-pick-set-message-properties msg)
  (insert "\n"))

(defun notmuch-pick-insert-tree (tree depth tree-status first last)
  "Insert the message tree TREE at depth DEPTH in the current thread."
  (let ((msg (car tree))
	(replies (cadr tree)))

      (cond
       ((and (< 0 depth) (not last))
	(push "├" tree-status))
       ((and (< 0 depth) last)
	(push "╰" tree-status))
       ((and (eq 0 depth) first last)
;;	  (push "─" tree-status)) choice between this and next line is matter of taste.
	(push " " tree-status))
       ((and (eq 0 depth) first (not last))
	  (push "┬" tree-status))
       ((and (eq 0 depth) (not first) last)
	(push "╰" tree-status))
       ((and (eq 0 depth) (not first) (not last))
	(push "├" tree-status)))

      (push (concat (if replies "┬" "─") "►") tree-status)
      (notmuch-pick-insert-msg (plist-put msg :tree-status tree-status))
      (pop tree-status)
      (pop tree-status)

      (if last
	  (push " " tree-status)
	(push "│" tree-status))

    (notmuch-pick-insert-thread replies (1+ depth) tree-status)))

(defun notmuch-pick-insert-thread (thread depth tree-status)
  "Insert the thread THREAD at depth DEPTH >= 1 in the current forest."
  (let ((n (length thread)))
    (loop for tree in thread
	  for count from 1 to n

	  do (notmuch-pick-insert-tree tree depth tree-status (eq count 1) (eq count n)))))

(defun notmuch-pick-insert-forest-thread (forest-thread)
  (save-excursion
    (goto-char (point-max))
    (let (tree-status)
      ;; Reset at the start of each main thread.
      (setq notmuch-pick-previous-subject nil)
      (notmuch-pick-insert-thread forest-thread 0 tree-status))))

(defun notmuch-pick-insert-forest (forest)
  (mapc 'notmuch-pick-insert-forest-thread forest))

(defun notmuch-pick-mode ()
  "Major mode displaying messages (as opposed to threads) of of a notmuch search.

This buffer contains the results of a \"notmuch pick\" of your
email archives. Each line in the buffer represents a single
message giving the relative date, the author, subject, and any
tags.

Pressing \\[notmuch-pick-show-message] on any line displays that message.

Complete list of currently available key bindings:

\\{notmuch-pick-mode-map}"

  (interactive)
  (kill-all-local-variables)
  (use-local-map notmuch-pick-mode-map)
  (setq major-mode 'notmuch-pick-mode
	mode-name "notmuch-pick")
  (hl-line-mode 1)
  (setq buffer-read-only t
	truncate-lines t))

(defun notmuch-pick-process-sentinel (proc msg)
  "Add a message to let user know when \"notmuch pick\" exits"
  (let ((buffer (process-buffer proc))
	(status (process-status proc))
	(exit-status (process-exit-status proc))
	(never-found-target-thread nil))
    (when (memq status '(exit signal))
        (kill-buffer (process-get proc 'parse-buf))
	(if (buffer-live-p buffer)
	    (with-current-buffer buffer
	      (save-excursion
		(let ((inhibit-read-only t)
		      (atbob (bobp)))
		  (goto-char (point-max))
		  (if (eq status 'signal)
		      (insert "Incomplete search results (pick process was killed).\n"))
		  (when (eq status 'exit)
		    (insert "End of search results.")
		    (unless (= exit-status 0)
		      (insert (format " (process returned %d)" exit-status)))
		    (insert "\n")))))))))


(defun notmuch-pick-show-error (string &rest objects)
  (save-excursion
    (goto-char (point-max))
    (insert "Error: Unexpected output from notmuch search:\n")
    (insert (apply #'format string objects))
    (insert "\n")))


(defun notmuch-pick-process-filter (proc string)
  "Process and filter the output of \"notmuch show\" (for pick)"
  (let ((results-buf (process-buffer proc))
        (parse-buf (process-get proc 'parse-buf))
        (inhibit-read-only t)
        done)
    (if (not (buffer-live-p results-buf))
        (delete-process proc)
      (with-current-buffer parse-buf
        ;; Insert new data
        (save-excursion
          (goto-char (point-max))
          (insert string))
	(notmuch-json-parse-partial-list 'notmuch-pick-insert-forest-thread
					 'notmuch-pick-show-error
					 results-buf)))))

(defun notmuch-pick-worker (basic-query &optional query-context buffer)
  (interactive)
  (notmuch-pick-mode)
  (setq notmuch-pick-basic-query basic-query)
  (setq notmuch-pick-query-context query-context)
  (setq notmuch-pick-buffer-name (buffer-name buffer))

  (erase-buffer)
  (goto-char (point-min))
  (let* ((search-args (concat basic-query
		       (if query-context (concat " and (" query-context ")"))
		       ))
	 (message-arg "--entire-thread"))
    (if (equal (car (process-lines notmuch-command "count" search-args)) "0")
	(setq search-args basic-query))
    (if notmuch-pick-asynchronous-parser
	(let ((proc (start-process
		     "notmuch-pick" buffer
		     notmuch-command "show" "--body=false" "--format=json"
		     message-arg search-args))
	      ;; Use a scratch buffer to accumulate partial output.
              ;; This buffer will be killed by the sentinel, which
              ;; should be called no matter how the process dies.
              (parse-buf (generate-new-buffer " *notmuch pick parse*")))
          (process-put proc 'parse-buf parse-buf)
	  (set-process-sentinel proc 'notmuch-pick-process-sentinel)
	  (set-process-filter proc 'notmuch-pick-process-filter)
	  (set-process-query-on-exit-flag proc nil))
      (progn
	(notmuch-pick-insert-forest
	 (notmuch-query-get-threads
	  (list "--body=false" message-arg search-args)))
	(save-excursion
	  (goto-char (point-max))
	  (insert "End of search results.\n"))))))


(defun notmuch-pick (&optional query query-context buffer-name show-first-match)
  "Run notmuch pick with the given `query' and display the results"
  (interactive "sNotmuch pick: ")
  (if (null query)
      (setq query (notmuch-read-query "Notmuch pick: ")))
  (let ((buffer (get-buffer-create (generate-new-buffer-name
				    (or buffer-name
					(concat "*notmuch-pick-" query "*")))))
	(inhibit-read-only t))

    (switch-to-buffer buffer)
    ;; Don't track undo information for this buffer
    (set 'buffer-undo-list t)

    (notmuch-pick-worker query query-context buffer)

    (setq truncate-lines t)
    (when show-first-match
      (notmuch-pick-show-match-message-with-wait))))


;; Set up key bindings from the rest of notmuch.
(define-key 'notmuch-search-mode-map "z" 'notmuch-pick)
(define-key 'notmuch-search-mode-map "Z" 'notmuch-pick-from-search-current-query)
(define-key 'notmuch-search-mode-map (kbd "M-RET") 'notmuch-pick-from-search-thread)
(define-key 'notmuch-hello-mode-map "z" 'notmuch-pick-from-hello)
(define-key 'notmuch-show-mode-map "z" 'notmuch-pick)
(define-key 'notmuch-show-mode-map "Z" 'notmuch-pick-from-show-current-query)
(notmuch-pick-setup-show-out)
(message "Initialised notmuch-pick")

(provide 'notmuch-pick)

debug log:

solving cded5a1 ...
found cded5a1 in https://yhetil.org/notmuch/874nk5cwol.fsf@qmul.ac.uk/
found 755cbbc in https://yhetil.org/notmuch.git/
preparing index
index prepared:
100644 755cbbce008bafb8aeae3ade71f3ef19c123caca	contrib/notmuch-pick/notmuch-pick.el

applying [1/1] https://yhetil.org/notmuch/874nk5cwol.fsf@qmul.ac.uk/
diff --git a/contrib/notmuch-pick/notmuch-pick.el b/contrib/notmuch-pick/notmuch-pick.el
index 755cbbc..cded5a1 100644

Checking patch contrib/notmuch-pick/notmuch-pick.el...
Applied patch contrib/notmuch-pick/notmuch-pick.el cleanly.

index at:
100644 cded5a1f2da1ee0686c30401b3a874d1f05f23a6	contrib/notmuch-pick/notmuch-pick.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://yhetil.org/notmuch.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).