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53b0a6f8 JB |
1 | ;;; mh-e.el --- GNU Emacs interface to the MH mailer |
2 | ||
c2c2f720 ER |
3 | ;; Author: James Larus <larus@ginger.berkeley.edu> |
4 | ;; Version: 3.7 | |
84176303 | 5 | ;; Last-Modified: 30 Jun 1992 |
fd7fa35a | 6 | ;; Keywords: mail |
53b0a6f8 JB |
7 | |
8 | (defvar mh-e-RCS-id) | |
9 | (setq mh-e-RCS-id "$Header: /var/home/larus/lib/emacs/RCS/mh-e.el,v 3.1 90/09/28 15:47:58 larus Exp Locker: larus $") | |
c2c2f720 | 10 | |
29add8b9 | 11 | ;;; Copyright (C) 1985, 86, 87, 88, 89, 92 Free Software Foundation |
53b0a6f8 JB |
12 | |
13 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
14 | ;; but without any warranty. No author or distributor | |
15 | ;; accepts responsibility to anyone for the consequences of using it | |
16 | ;; or for whether it serves any particular purpose or works at all, | |
17 | ;; unless he says so in writing. | |
18 | ||
19 | ;; Everyone is granted permission to copy, modify and redistribute | |
20 | ;; GNU Emacs, but only under the conditions described in the | |
21 | ;; document "GNU Emacs copying permission notice". An exact copy | |
22 | ;; of the document is supposed to have been given to you along with | |
23 | ;; GNU Emacs so that you can know how you may redistribute it all. | |
24 | ;; It should be in a file named COPYING. Among other things, the | |
25 | ;; copyright notice and this notice must be preserved on all copies. | |
26 | ||
c2c2f720 ER |
27 | ;;; Commentary: |
28 | ||
29 | ;;; This file contains mh-e, a GNU Emacs front end to the MH mail system | |
30 | ;;; (specifically, for use with MH.5 and MH.6). | |
53b0a6f8 JB |
31 | |
32 | ;;; Original version for Gosling emacs by Brian Reid, Stanford, 1982. | |
33 | ;;; Modified by James Larus, BBN, July 1984 and UCB, 1984 & 1985. | |
34 | ;;; Rewritten for GNU Emacs, James Larus 1985. larus@ginger.berkeley.edu | |
35 | ;;; Modified by Stephen Gildea 1988. gildea@bbn.com | |
36 | ||
53b0a6f8 JB |
37 | ;;; NB. MH must have been compiled with the MHE compiler flag or several |
38 | ;;; features necessary mh-e will be missing from MH commands, specifically | |
39 | ;;; the -build switch to repl and forw. | |
40 | ||
c2c2f720 ER |
41 | ;;; Code: |
42 | ||
53b0a6f8 JB |
43 | \f |
44 | ||
45 | ;;; Constants: | |
46 | ||
47 | ;;; Set for local environment: | |
48 | ;;;* These are now in paths.el. | |
49 | ;;;(defvar mh-progs "/usr/new/mh/" "Directory containing MH commands.") | |
50 | ;;;(defvar mh-lib "/usr/new/lib/mh/" "Directory of MH library.") | |
51 | ||
52 | (defvar mh-redist-full-contents t | |
53 | "Non-nil if the `dist' command needs whole letter for redistribution. | |
54 | This is the case when `send' is compiled with the BERK option.") | |
55 | ||
56 | ||
57 | ;;; Hooks: | |
58 | ||
59 | (defvar mh-folder-mode-hook nil | |
60 | "Invoked in `mh-folder mode' on a new folder.") | |
61 | ||
62 | (defvar mh-letter-mode-hook nil | |
63 | "Invoked in `mh-letter-mode' on a new letter.") | |
64 | ||
65 | (defvar mh-compose-letter-function nil | |
66 | "Invoked in `mh-compose-and-send-mail' on a draft letter. | |
67 | It is passed three arguments: TO recipients, SUBJECT, and CC recipients.") | |
68 | ||
69 | (defvar mh-before-send-letter-hook nil | |
70 | "Invoked at the beginning of the \\[mh-send-letter] command.") | |
71 | ||
72 | (defvar mh-inc-folder-hook nil | |
73 | "Invoked after incorporating mail into a folder with \\[mh-inc-folder].") | |
74 | ||
75 | (defvar mh-quit-hook nil | |
76 | "Invoked after quitting mh-e with \\[mh-quit].") | |
77 | ||
78 | ||
79 | (defvar mh-ins-string nil | |
80 | "Temporarily set by `mh-insert-prefix' prior to running `mh-yank-hooks'.") | |
81 | ||
82 | (defvar mh-yank-hooks | |
83 | '(lambda () | |
84 | (save-excursion | |
85 | (goto-char (point)) | |
86 | (or (bolp) (forward-line 1)) | |
87 | (while (< (point) (mark)) | |
88 | (insert mh-ins-string) | |
89 | (forward-line 1)))) | |
90 | "Hook to run citation function. | |
91 | Expects POINT and MARK to be set to the region to cite.") | |
92 | ||
93 | ||
94 | ;;; Personal preferences: | |
95 | ||
96 | (defvar mh-clean-message-header nil | |
97 | "*Non-nil means clean headers of messages that are displayed or inserted. | |
98 | The variables `mh-visible-headers' and `mh-invisible-headers' control what | |
99 | is removed.") | |
100 | ||
101 | (defvar mh-visible-headers nil | |
102 | "*If non-nil, contains a regexp specifying the headers to keep when cleaning. | |
103 | Only used if `mh-clean-message-header' is non-nil. Setting this variable | |
104 | overrides `mh-invisible-headers'.") | |
105 | ||
106 | (defvar mhl-formfile nil | |
107 | "*Name of format file to be used by mhl to show messages. | |
108 | A value of T means use the default format file. | |
109 | Nil means don't use mhl to format messages.") | |
110 | ||
111 | (defvar mh-lpr-command-format "lpr -p -J '%s'" | |
112 | "*Format for Unix command that prints a message. | |
113 | The string should be a Unix command line, with the string '%s' where | |
114 | the job's name (folder and message number) should appear. The message text | |
115 | is piped to this command.") | |
116 | ||
117 | (defvar mh-print-background nil | |
118 | "*Print messages in the background if non-nil. | |
119 | WARNING: do not delete the messages until printing is finished; | |
120 | otherwise, your output may be truncated.") | |
121 | ||
122 | (defvar mh-summary-height 4 | |
123 | "*Number of lines in summary window.") | |
124 | ||
125 | (defvar mh-recenter-summary-p nil | |
126 | "*Recenter summary window when the show window is toggled off if non-nil.") | |
127 | ||
128 | (defvar mh-ins-buf-prefix ">> " | |
129 | "*String to put before each non-blank line of a yanked or inserted message. | |
130 | Used when the message is inserted in an outgoing letter.") | |
131 | ||
132 | (defvar mh-do-not-confirm nil | |
133 | "*Non-nil means do not prompt for confirmation before some commands. | |
134 | Only affects certain innocuous commands.") | |
135 | ||
136 | (defvar mh-bury-show-buffer t | |
137 | "*Non-nil means that the displayed show buffer for a folder is buried.") | |
138 | ||
139 | (defvar mh-delete-yanked-msg-window nil | |
140 | "*Controls window display when a message is yanked by \\[mh-yank-cur-msg]. | |
141 | If non-nil, yanking the current message into a draft letter deletes any | |
142 | windows displaying the message.") | |
143 | ||
144 | (defvar mh-yank-from-start-of-msg t | |
145 | "*Controls which part of a message is yanked by \\[mh-yank-cur-msg]. | |
146 | If non-nil, include the entire message. If the symbol `body, then yank the | |
147 | message minus the header. If nil, yank only the portion of the message | |
148 | following the point. If the show buffer has a region, this variable is | |
149 | ignored.") | |
150 | ||
151 | (defvar mh-reply-default-reply-to nil | |
152 | "*Sets the person or persons to whom a reply will be sent. | |
153 | If nil, prompt for recipient. If non-nil, then \\[mh-reply] will use this | |
154 | value and it should be one of \"from\", \"to\", or \"cc\".") | |
155 | ||
156 | (defvar mh-recursive-folders nil | |
157 | "*If non-nil, then commands which operate on folders do so recursively.") | |
158 | ||
159 | ||
160 | ;;; Parameterize mh-e to work with different scan formats. The defaults work | |
161 | ;;; the standard MH scan listings. | |
162 | ||
163 | (defvar mh-cmd-note 4 | |
164 | "Offset to insert notation.") | |
165 | ||
166 | (defvar mh-note-repl "-" | |
167 | "String whose first character is used to notate replied to messages.") | |
168 | ||
169 | (defvar mh-note-forw "F" | |
170 | "String whose first character is used to notate forwarded messages.") | |
171 | ||
172 | (defvar mh-note-dist "R" | |
173 | "String whose first character is used to notate redistributed messages.") | |
174 | ||
175 | (defvar mh-good-msg-regexp "^....[^D^]" | |
176 | "Regexp specifiying the scan lines that are 'good' messages.") | |
177 | ||
178 | (defvar mh-deleted-msg-regexp "^....D" | |
179 | "Regexp matching scan lines of deleted messages.") | |
180 | ||
181 | (defvar mh-refiled-msg-regexp "^....\\^" | |
182 | "Regexp matching scan lines of refiled messages.") | |
183 | ||
184 | (defvar mh-valid-scan-line "^ *[0-9]" | |
185 | "Regexp matching scan lines for messages (not error messages).") | |
186 | ||
187 | (defvar mh-msg-number-regexp "^ *\\([0-9]+\\)" | |
188 | "Regexp to find the number of a message in a scan line. | |
189 | The message's number must be surrounded with \\( \\)") | |
190 | ||
191 | (defvar mh-msg-search-regexp "^[^0-9]*%d[^0-9]" | |
192 | "Format string containing a regexp matching the scan listing for a message. | |
193 | The desired message's number will be an argument to format.") | |
194 | ||
195 | (defvar mh-flagged-scan-msg-regexp "^....\\D\\|^....\\^\\|^....\\+\\|^.....%" | |
196 | "Regexp matching flagged scan lines. | |
197 | Matches lines marked as deleted, refiled, in a sequence, or the cur message.") | |
198 | ||
199 | (defvar mh-cur-scan-msg-regexp "^....\\+" | |
200 | "Regexp matching scan line for the cur message.") | |
201 | ||
202 | (defvar mh-show-buffer-mode-line-buffer-id "{%%b} %s/%d" | |
203 | "Format string to produce `mode-line-buffer-id' for show buffers. | |
204 | First argument is folder name. Second is message number.") | |
205 | ||
206 | (defvar mh-partial-folder-mode-line-annotation "select" | |
207 | "Annotation when displaying part of a folder. | |
208 | The string is displayed after the folder's name. NIL for no annotation.") | |
209 | ||
210 | ||
211 | ;;; Real constants: | |
212 | ||
213 | (defvar mh-invisible-headers | |
214 | "^Received: \\|^Message-Id: \\|^Remailed-\\|^Via: \\|^Mail-from: \\|^Return-Path: \\|^In-Reply-To: \\|^Resent-" | |
215 | "Regexp matching lines in a message header that are not to be shown. | |
216 | If `mh-visible-headers' is non-nil, it is used instead to specify what | |
217 | to keep.") | |
218 | ||
219 | (defvar mh-rejected-letter-start "^ ----- Unsent message follows -----$" | |
220 | "Regexp specifying the beginning of the wrapper around a returned letter. | |
221 | This wrapper is generated by the mail system when rejecting a letter.") | |
222 | ||
223 | (defvar mh-to-field-choices '((?t . "To:") (?s . "Subject:") (?c . "Cc:") | |
224 | (?b . "Bcc:") (?f . "Fcc:")) | |
225 | "A-list of (character . field name) strings for mh-to-field.") | |
226 | ||
227 | ||
228 | ;;; Global variables: | |
229 | ||
230 | (defvar mh-user-path "" | |
231 | "User's mail folder.") | |
232 | ||
233 | (defvar mh-last-destination nil | |
234 | "Destination of last refile or write command.") | |
235 | ||
236 | (defvar mh-folder-mode-map (make-keymap) | |
237 | "Keymap for MH folders.") | |
238 | ||
239 | (defvar mh-letter-mode-map (copy-keymap text-mode-map) | |
240 | "Keymap for composing mail.") | |
241 | ||
242 | (defvar mh-pick-mode-map (make-sparse-keymap) | |
243 | "Keymap for searching folder.") | |
244 | ||
245 | (defvar mh-letter-mode-syntax-table nil | |
246 | "Syntax table used while in mh-e letter mode.") | |
247 | ||
248 | (if mh-letter-mode-syntax-table | |
249 | () | |
250 | (setq mh-letter-mode-syntax-table | |
251 | (make-syntax-table text-mode-syntax-table)) | |
252 | (set-syntax-table mh-letter-mode-syntax-table) | |
253 | (modify-syntax-entry ?% "." mh-letter-mode-syntax-table)) | |
254 | ||
255 | (defvar mh-folder-list nil | |
256 | "List of folder names for completion.") | |
257 | ||
258 | (defvar mh-draft-folder nil | |
259 | "Name of folder containing draft messages. | |
260 | NIL means do not use draft folder.") | |
261 | ||
262 | (defvar mh-unseen-seq nil | |
263 | "Name of the unseen sequence.") | |
264 | ||
265 | (defvar mh-previous-window-config nil | |
266 | "Window configuration before mh-e command.") | |
267 | ||
268 | (defvar mh-previous-seq nil | |
269 | "Name of the sequence to which a message was last added.") | |
270 | ||
271 | (defvar mh-signature-file-name "~/.signature" | |
272 | "Name of file containing the user's signature.") | |
273 | ||
274 | ||
275 | ;;; Macros and generic functions: | |
276 | ||
277 | (defmacro mh-push (v l) | |
278 | (list 'setq l (list 'cons v l))) | |
279 | ||
280 | ||
281 | (defmacro mh-when (pred &rest body) | |
282 | (list 'cond (cons pred body))) | |
283 | ||
284 | ||
285 | (defmacro with-mh-folder-updating (save-modification-flag-p &rest body) | |
286 | ;; Format is (with-mh-folder-updating (SAVE-MODIFICATION-FLAG-P) &body BODY). | |
287 | ;; Execute BODY, which can modify the folder buffer without having to | |
288 | ;; worry about file locking or the read-only flag, and return its result. | |
289 | ;; If SAVE-MODIFICATION-FLAG-P is non-nil, the buffer's modification | |
290 | ;; flag is unchanged, otherwise it is cleared. | |
291 | (setq save-modification-flag-p (car save-modification-flag-p)) ; CL style | |
292 | (` (let ((folder-updating-mod-flag (buffer-modified-p))) | |
293 | (prog1 | |
294 | (let ((buffer-read-only nil) | |
295 | (buffer-file-name nil)) ; don't let the buffer get locked | |
296 | (,@ body)) | |
297 | (, (if save-modification-flag-p | |
298 | '(mh-set-folder-modified-p folder-updating-mod-flag) | |
299 | '(mh-set-folder-modified-p nil))))))) | |
300 | ||
301 | ||
302 | (defun mh-mapc (func list) | |
303 | (while list | |
304 | (funcall func (car list)) | |
305 | (setq list (cdr list)))) | |
306 | ||
307 | \f | |
308 | ||
309 | ;;; Entry points: | |
310 | ||
311 | ;;;###autoload | |
312 | (defun mh-rmail (&optional arg) | |
313 | "Inc(orporate) new mail (no arg) or scan a MH mail box (arg given). | |
314 | This front end uses the MH mail system, which uses different conventions | |
315 | from the usual mail system." | |
316 | (interactive "P") | |
317 | (mh-find-path) | |
318 | (if arg | |
319 | (call-interactively 'mh-visit-folder) | |
320 | (mh-inc-folder))) | |
321 | ||
322 | ||
323 | ;;;###autoload | |
324 | (defun mh-smail () | |
325 | "Compose and send mail with the MH mail system." | |
326 | (interactive) | |
327 | (mh-find-path) | |
328 | (call-interactively 'mh-send)) | |
329 | ||
330 | ||
331 | (defun mh-smail-other-window () | |
332 | "Compose and send mail in other window with the MH mail system." | |
333 | (interactive) | |
334 | (mh-find-path) | |
335 | (call-interactively 'mh-send-other-window)) | |
336 | ||
337 | \f | |
338 | ||
339 | ;;; User executable mh-e commands: | |
340 | ||
341 | (defun mh-burst-digest () | |
342 | "Burst apart the current message, which should be a digest. | |
343 | The message is replaced by its table of contents and the letters from the | |
344 | digest are inserted into the folder after that message." | |
345 | (interactive) | |
346 | (let ((digest (mh-get-msg-num t))) | |
347 | (mh-process-or-undo-commands mh-current-folder) | |
348 | (mh-set-folder-modified-p t) ; lock folder while bursting | |
349 | (message "Bursting digest...") | |
350 | (mh-exec-cmd "burst" mh-current-folder digest "-inplace") | |
351 | (mh-scan-folder mh-current-folder (format "%d-last" mh-first-msg-num)) | |
352 | (message "Bursting digest...done"))) | |
353 | ||
354 | ||
355 | (defun mh-copy-msg (prefix-provided msg-or-seq dest) | |
356 | "Copy specified MESSAGE(s) to another FOLDER without deleting them. | |
357 | Default is the displayed message. If optional prefix argument is | |
358 | provided, then prompt for the message sequence." | |
359 | (interactive (list current-prefix-arg | |
360 | (if current-prefix-arg | |
361 | (mh-read-seq-default "Copy" t) | |
362 | (mh-get-msg-num t)) | |
363 | (mh-prompt-for-folder "Copy to" "" t))) | |
364 | (mh-exec-cmd "refile" msg-or-seq "-link" "-src" mh-current-folder dest) | |
365 | (if prefix-provided | |
366 | (mh-notate-seq msg-or-seq ?C mh-cmd-note) | |
367 | (mh-notate msg-or-seq ?C mh-cmd-note))) | |
368 | ||
369 | ||
370 | (defun mh-delete-msg (msg-or-seq) | |
371 | "Mark the specified MESSAGE(s) for subsequent deletion and move to the next. | |
372 | Default is the displayed message. If optional prefix argument is | |
373 | given then prompt for the message sequence." | |
374 | (interactive (list (if current-prefix-arg | |
375 | (mh-read-seq-default "Delete" t) | |
376 | (mh-get-msg-num t)))) | |
377 | (if (numberp msg-or-seq) | |
378 | (mh-delete-a-msg msg-or-seq) | |
379 | (mh-map-to-seq-msgs 'mh-delete-a-msg msg-or-seq)) | |
380 | (mh-next-msg)) | |
381 | ||
382 | ||
383 | (defun mh-delete-msg-no-motion (msg-or-seq) | |
384 | "Mark the specified MESSAGE(s) for subsequent deletion. | |
385 | Default is the displayed message. If optional prefix argument is | |
386 | provided, then prompt for the message sequence." | |
387 | (interactive (list (if current-prefix-arg | |
388 | (mh-read-seq-default "Delete" t) | |
389 | (mh-get-msg-num t)))) | |
390 | (if (numberp msg-or-seq) | |
391 | (mh-delete-a-msg msg-or-seq) | |
392 | (mh-map-to-seq-msgs 'mh-delete-a-msg msg-or-seq))) | |
393 | ||
394 | ||
395 | (defun mh-delete-msg-from-seq (prefix-provided msg-or-seq &optional from-seq) | |
396 | "Delete MESSAGE (default: displayed message) from SEQUENCE. | |
397 | If optional prefix argument provided, then delete all messages | |
398 | from a sequence." | |
399 | (interactive (let ((argp current-prefix-arg)) | |
400 | (list argp | |
401 | (if argp | |
402 | (mh-read-seq-default "Delete" t) | |
403 | (mh-get-msg-num t)) | |
404 | (if (not argp) | |
405 | (mh-read-seq-default "Delete from" t))))) | |
406 | (if prefix-provided | |
407 | (mh-remove-seq msg-or-seq) | |
408 | (mh-remove-msg-from-seq msg-or-seq from-seq))) | |
409 | ||
410 | ||
411 | (defun mh-edit-again (msg) | |
412 | "Clean-up a draft or a message previously sent and make it resendable." | |
413 | (interactive (list (mh-get-msg-num t))) | |
414 | (let* ((from-folder mh-current-folder) | |
415 | (config (current-window-configuration)) | |
416 | (draft | |
417 | (cond ((and mh-draft-folder (equal from-folder mh-draft-folder)) | |
418 | (find-file (mh-msg-filename msg)) | |
419 | (rename-buffer (format "draft-%d" msg)) | |
420 | (buffer-name)) | |
421 | (t | |
422 | (mh-read-draft "clean-up" (mh-msg-filename msg) nil))))) | |
423 | (mh-clean-msg-header (point-min) | |
424 | "^Date:\\|^Received:\\|^Message-Id:\\|^From:" | |
425 | nil) | |
426 | (goto-char (point-min)) | |
427 | (set-buffer-modified-p nil) | |
428 | (mh-compose-and-send-mail draft "" from-folder nil nil nil nil nil nil | |
429 | config))) | |
430 | ||
431 | ||
432 | (defun mh-execute-commands () | |
433 | "Process outstanding delete and refile requests." | |
434 | (interactive) | |
435 | (if mh-narrowed-to-seq (mh-widen)) | |
436 | (mh-process-commands mh-current-folder) | |
437 | (mh-set-scan-mode) | |
438 | (mh-goto-cur-msg) ; after mh-set-scan-mode for efficiency | |
439 | (mh-make-folder-mode-line) | |
440 | t) ; return t for write-file-hooks | |
441 | ||
442 | ||
443 | (defun mh-extract-rejected-mail (msg) | |
444 | "Extract a letter returned by the mail system and make it resendable. | |
445 | Default is the displayed message." | |
446 | (interactive (list (mh-get-msg-num t))) | |
447 | (let ((from-folder mh-current-folder) | |
448 | (config (current-window-configuration)) | |
449 | (draft (mh-read-draft "extraction" (mh-msg-filename msg) nil))) | |
450 | (goto-char (point-min)) | |
451 | (cond ((re-search-forward mh-rejected-letter-start nil t) | |
452 | (forward-char 1) | |
453 | (delete-region (point-min) (point)) | |
454 | (mh-clean-msg-header (point-min) | |
455 | "^Date:\\|^Received:\\|^Message-Id:\\|^From:\\|^Sender:" | |
456 | nil)) | |
457 | (t | |
458 | (message "Does not appear to be a rejected letter."))) | |
459 | (goto-char (point-min)) | |
460 | (set-buffer-modified-p nil) | |
461 | (mh-compose-and-send-mail draft "" from-folder msg (mh-get-field "To") | |
462 | (mh-get-field "From") (mh-get-field "cc") | |
463 | nil nil config))) | |
464 | ||
465 | ||
466 | (defun mh-first-msg () | |
467 | "Move to the first message." | |
468 | (interactive) | |
469 | (goto-char (point-min))) | |
470 | ||
471 | ||
472 | (defun mh-forward (prefix-provided msg-or-seq to cc) | |
473 | "Forward MESSAGE(s) (default: displayed message). | |
474 | If optional prefix argument provided, then prompt for the message sequence." | |
475 | (interactive (list current-prefix-arg | |
476 | (if current-prefix-arg | |
477 | (mh-read-seq-default "Forward" t) | |
478 | (mh-get-msg-num t)) | |
479 | (read-string "To: ") | |
480 | (read-string "Cc: "))) | |
481 | (let* ((folder mh-current-folder) | |
482 | (config (current-window-configuration)) | |
483 | ;; forw always leaves file in "draft" since it doesn't have -draft | |
484 | (draft-name (expand-file-name "draft" mh-user-path)) | |
485 | (draft (cond ((or (not (file-exists-p draft-name)) | |
486 | (y-or-n-p "The file 'draft' exists. Discard it? ")) | |
487 | (mh-exec-cmd "forw" | |
488 | "-build" mh-current-folder msg-or-seq) | |
489 | (prog1 | |
490 | (mh-read-draft "" draft-name t) | |
491 | (mh-insert-fields "To:" to "Cc:" cc) | |
492 | (set-buffer-modified-p nil))) | |
493 | (t | |
494 | (mh-read-draft "" draft-name nil))))) | |
495 | (goto-char (point-min)) | |
496 | (re-search-forward "^------- Forwarded Message") | |
497 | (forward-line -1) | |
498 | (narrow-to-region (point) (point-max)) | |
499 | (let* ((subject (save-excursion (mh-get-field "From:"))) | |
500 | (trim (string-match "<" subject)) | |
501 | (forw-subject (save-excursion (mh-get-field "Subject:")))) | |
502 | (if trim | |
503 | (setq subject (substring subject 0 (1- trim)))) | |
504 | (widen) | |
505 | (save-excursion | |
506 | (mh-insert-fields "Subject:" (format "[%s: %s]" subject forw-subject))) | |
507 | (delete-other-windows) | |
508 | (if prefix-provided | |
509 | (mh-add-msgs-to-seq (mh-seq-to-msgs msg-or-seq) 'forwarded t) | |
510 | (mh-add-msgs-to-seq msg-or-seq 'forwarded t)) | |
511 | (mh-compose-and-send-mail draft "" folder msg-or-seq | |
512 | to subject cc | |
513 | mh-note-forw "Forwarded:" | |
514 | config)))) | |
515 | ||
516 | ||
517 | (defun mh-goto-msg (number &optional no-error-if-no-message dont-show) | |
518 | "Position the cursor at message NUMBER. | |
519 | Non-nil second argument means do not signal an error if message does not exist. | |
520 | Non-nil third argument means not to show the message. | |
521 | Return non-nil if cursor is at message." | |
522 | (interactive "NMessage number? ") | |
523 | (let ((cur-msg (mh-get-msg-num nil)) | |
524 | (starting-place (point)) | |
525 | (msg-pattern (mh-msg-search-pat number))) | |
526 | (cond ((cond ((and cur-msg (= cur-msg number)) t) | |
527 | ((and cur-msg | |
528 | (< cur-msg number) | |
529 | (re-search-forward msg-pattern nil t)) t) | |
530 | ((and cur-msg | |
531 | (> cur-msg number) | |
532 | (re-search-backward msg-pattern nil t)) t) | |
533 | (t ; Do thorough search of buffer | |
534 | (goto-char (point-max)) | |
535 | (re-search-backward msg-pattern nil t))) | |
536 | (beginning-of-line) | |
537 | (if (not dont-show) (mh-maybe-show number)) | |
538 | t) | |
539 | (t | |
540 | (goto-char starting-place) | |
541 | (if (not no-error-if-no-message) | |
542 | (error "No message %d" number)) | |
543 | nil)))) | |
544 | ||
545 | ||
546 | (defun mh-inc-folder (&optional maildrop-name) | |
547 | "Inc(orporate) new mail into +inbox. | |
548 | Optional prefix argument specifies an alternate maildrop from the default. | |
549 | If this is given, mail is incorporated into the current folder, rather | |
550 | than +inbox. Run `mh-inc-folder-hook' after incorporating new mail." | |
551 | (interactive (list (if current-prefix-arg | |
552 | (expand-file-name | |
553 | (read-file-name "inc mail from file: " | |
554 | mh-user-path))))) | |
555 | (let ((config (current-window-configuration))) | |
556 | (if (not maildrop-name) | |
557 | (cond ((not (get-buffer "+inbox")) | |
558 | (mh-make-folder "+inbox") | |
559 | (setq mh-previous-window-config config)) | |
560 | ((not (eq (current-buffer) (get-buffer "+inbox"))) | |
561 | (switch-to-buffer "+inbox") | |
562 | (setq mh-previous-window-config config))))) | |
563 | (mh-get-new-mail maildrop-name) | |
564 | (run-hooks 'mh-inc-folder-hook)) | |
565 | ||
566 | ||
567 | (defun mh-kill-folder () | |
568 | "Remove the current folder." | |
569 | (interactive) | |
570 | (if (or mh-do-not-confirm | |
571 | (yes-or-no-p (format "Remove folder %s? " mh-current-folder))) | |
572 | (let ((folder mh-current-folder)) | |
573 | (mh-set-folder-modified-p t) ; lock folder to kill it | |
574 | (mh-exec-cmd-daemon "rmf" folder) | |
575 | (mh-remove-folder-from-folder-list folder) | |
576 | (message "Folder %s removed" folder) | |
577 | (mh-set-folder-modified-p nil) ; so kill-buffer doesn't complain | |
578 | (kill-buffer mh-show-buffer) | |
579 | (kill-buffer folder)) | |
580 | (message "Folder not removed"))) | |
581 | ||
582 | ||
583 | (defun mh-last-msg () | |
584 | "Move to the last message." | |
585 | (interactive) | |
586 | (goto-char (point-max)) | |
587 | (while (and (not (bobp)) (looking-at "^$")) | |
588 | (forward-line -1))) | |
589 | ||
590 | ||
591 | (defun mh-list-folders () | |
592 | "List mail folders." | |
593 | (interactive) | |
594 | (with-output-to-temp-buffer " *mh-temp*" | |
595 | (save-excursion | |
596 | (switch-to-buffer " *mh-temp*") | |
597 | (erase-buffer) | |
598 | (message "Listing folders...") | |
599 | (mh-exec-cmd-output "folders" t) | |
600 | (goto-char (point-min)) | |
601 | (message "Listing folders...done")))) | |
602 | ||
603 | ||
604 | (defun mh-msg-is-in-seq (msg) | |
605 | "Display the sequences that contain MESSAGE (default: displayed message)." | |
606 | (interactive (list (mh-get-msg-num t))) | |
607 | (message "Message %d is in sequences: %s" | |
608 | msg | |
609 | (mapconcat 'concat | |
610 | (mh-list-to-string (mh-seq-containing-msg msg)) | |
611 | " "))) | |
612 | ||
613 | ||
614 | (defun mh-narrow-to-seq (seq) | |
615 | "Restrict display of this folder to just messages in a sequence. | |
616 | Reads which sequence. Use \\[mh-widen] to undo this command." | |
617 | (interactive (list (mh-read-seq "Narrow to" t))) | |
618 | (let ((eob (point-max))) | |
619 | (with-mh-folder-updating (t) | |
620 | (cond ((mh-seq-to-msgs seq) | |
621 | (mh-copy-seq-to-point seq eob) | |
622 | (narrow-to-region eob (point-max)) | |
623 | (mh-make-folder-mode-line (symbol-name seq)) | |
624 | (mh-recenter nil) | |
625 | (setq mh-narrowed-to-seq seq)) | |
626 | (t | |
627 | (error "No messages in sequence `%s'" (symbol-name seq))))))) | |
628 | ||
629 | ||
630 | (defun mh-next-undeleted-msg (&optional arg) | |
631 | "Move to next undeleted message in window." | |
632 | (interactive "P") | |
633 | (forward-line (prefix-numeric-value arg)) | |
634 | (setq mh-next-direction 'forward) | |
635 | (cond ((re-search-forward mh-good-msg-regexp nil 0 arg) | |
636 | (beginning-of-line) | |
637 | (mh-maybe-show)) | |
638 | (t | |
639 | (forward-line -1) | |
640 | (if (get-buffer mh-show-buffer) | |
641 | (delete-windows-on mh-show-buffer))))) | |
642 | ||
643 | ||
644 | (defun mh-pack-folder (range) | |
645 | "Renumber the messages of a folder to be 1..n. | |
646 | First, offer to execute any outstanding commands for the current folder. | |
647 | If optional prefix argument provided, prompt for the range of messages | |
648 | to display after packing. Otherwise, show the entire folder." | |
649 | (interactive (list (if current-prefix-arg | |
650 | (mh-read-msg-range | |
651 | "Range to scan after packing [all]? ") | |
652 | "all"))) | |
653 | (mh-pack-folder-1 range) | |
654 | (mh-goto-cur-msg) | |
655 | (message "Packing folder...done")) | |
656 | ||
657 | ||
658 | (defun mh-pipe-msg (prefix-provided command) | |
659 | "Pipe the current message through the given shell COMMAND. | |
660 | If optional prefix argument is provided, send the entire message. | |
661 | Otherwise just send the message's body." | |
662 | (interactive | |
663 | (list current-prefix-arg (read-string "Shell command on message: "))) | |
664 | (save-excursion | |
665 | (set-buffer mh-show-buffer) | |
666 | (goto-char (point-min)) | |
667 | (if (not prefix-provided) (search-forward "\n\n")) | |
668 | (shell-command-on-region (point) (point-max) command nil))) | |
669 | ||
670 | ||
671 | (defun mh-refile-msg (prefix-provided msg-or-seq dest) | |
672 | "Refile MESSAGE(s) (default: displayed message) in FOLDER. | |
673 | If optional prefix argument provided, then prompt for message sequence." | |
674 | (interactive | |
675 | (list current-prefix-arg | |
676 | (if current-prefix-arg | |
677 | (mh-read-seq-default "Refile" t) | |
678 | (mh-get-msg-num t)) | |
679 | (intern | |
680 | (mh-prompt-for-folder "Destination" | |
681 | (if (eq 'refile (car mh-last-destination)) | |
682 | (symbol-name (cdr mh-last-destination)) | |
683 | "") | |
684 | t)))) | |
685 | (setq mh-last-destination (cons 'refile dest)) | |
686 | (if prefix-provided | |
687 | (mh-map-to-seq-msgs 'mh-refile-a-msg msg-or-seq dest) | |
688 | (mh-refile-a-msg msg-or-seq dest)) | |
689 | (mh-next-msg)) | |
690 | ||
691 | ||
692 | (defun mh-refile-or-write-again (msg) | |
693 | "Re-execute the last refile or write command on the given MESSAGE. | |
694 | Default is the displayed message. Use the same folder or file as the | |
695 | previous refile or write command." | |
696 | (interactive (list (mh-get-msg-num t))) | |
697 | (if (null mh-last-destination) | |
698 | (error "No previous refile or write")) | |
699 | (cond ((eq (car mh-last-destination) 'refile) | |
700 | (mh-refile-a-msg msg (cdr mh-last-destination)) | |
701 | (message "Destination folder: %s" (cdr mh-last-destination))) | |
702 | (t | |
703 | (mh-write-msg-to-file msg (cdr mh-last-destination)) | |
704 | (message "Destination: %s" (cdr mh-last-destination)))) | |
705 | (mh-next-msg)) | |
706 | ||
707 | ||
708 | (defun mh-reply (prefix-provided msg) | |
709 | "Reply to a MESSAGE (default: displayed message). | |
710 | If optional prefix argument provided, then include the message in the reply | |
711 | using filter mhl.reply in your MH directory." | |
712 | (interactive (list current-prefix-arg (mh-get-msg-num t))) | |
713 | (let ((minibuffer-help-form | |
714 | "from => Sender only\nto => Sender and primary recipients\ncc or all => Sender and all recipients")) | |
715 | (let ((reply-to (or mh-reply-default-reply-to | |
716 | (completing-read "Reply to whom: " | |
717 | '(("from") ("to") ("cc") ("all")) | |
718 | nil | |
719 | t))) | |
720 | (folder mh-current-folder) | |
721 | (show-buffer mh-show-buffer) | |
722 | (config (current-window-configuration))) | |
723 | (message "Composing a reply...") | |
724 | (cond ((or (equal reply-to "from") (equal reply-to "")) | |
725 | (apply 'mh-exec-cmd | |
726 | "repl" "-build" | |
727 | "-nodraftfolder" mh-current-folder | |
728 | msg | |
729 | "-nocc" "all" | |
730 | (if prefix-provided | |
731 | (list "-filter" "mhl.reply")))) | |
732 | ((equal reply-to "to") | |
733 | (apply 'mh-exec-cmd | |
734 | "repl" "-build" | |
735 | "-nodraftfolder" mh-current-folder | |
736 | msg | |
737 | "-cc" "to" | |
738 | (if prefix-provided | |
739 | (list "-filter" "mhl.reply")))) | |
740 | ((or (equal reply-to "cc") (equal reply-to "all")) | |
741 | (apply 'mh-exec-cmd | |
742 | "repl" "-build" | |
743 | "-nodraftfolder" mh-current-folder | |
744 | msg | |
745 | "-cc" "all" "-nocc" "me" | |
746 | (if prefix-provided | |
747 | (list "-filter" "mhl.reply"))))) | |
748 | ||
749 | (let ((draft (mh-read-draft "reply" | |
750 | (expand-file-name "reply" mh-user-path) | |
751 | t))) | |
752 | (delete-other-windows) | |
753 | (set-buffer-modified-p nil) | |
754 | ||
755 | (let ((to (mh-get-field "To:")) | |
756 | (subject (mh-get-field "Subject:")) | |
757 | (cc (mh-get-field "Cc:"))) | |
758 | (goto-char (point-min)) | |
759 | (mh-goto-header-end 1) | |
760 | (if (not prefix-provided) | |
761 | (mh-display-msg msg folder)) | |
762 | (mh-add-msgs-to-seq msg 'answered t) | |
763 | (message "Composing a reply...done") | |
764 | (mh-compose-and-send-mail draft "" folder msg to subject cc | |
765 | mh-note-repl "Replied:" config)))))) | |
766 | ||
767 | ||
768 | (defun mh-quit () | |
769 | "Restore the previous window configuration, if one exists. | |
770 | Finish by running mh-quit-hook." | |
771 | (interactive) | |
772 | (if mh-previous-window-config | |
773 | (set-window-configuration mh-previous-window-config)) | |
774 | (run-hooks 'mh-quit-hook)) | |
775 | ||
776 | ||
777 | (defun mh-page-digest () | |
778 | "Advance displayed message to next digested message." | |
779 | (interactive) | |
780 | (save-excursion | |
781 | (mh-show-message-in-other-window) | |
782 | ;; Go to top of screen (in case user moved point). | |
783 | (move-to-window-line 0) | |
784 | (let ((case-fold-search nil)) | |
785 | ;; Search for blank line and then for From: | |
786 | (mh-when (not (and (search-forward "\n\n" nil t) | |
787 | (search-forward "From:" nil t))) | |
788 | (other-window -1) | |
789 | (error "No more messages"))) | |
790 | ;; Go back to previous blank line, then forward to the first non-blank. | |
791 | (search-backward "\n\n" nil t) | |
792 | (forward-line 2) | |
793 | (mh-recenter 0) | |
794 | (other-window -1))) | |
795 | ||
796 | ||
797 | (defun mh-page-digest-backwards () | |
798 | "Back up displayed message to previous digested message." | |
799 | (interactive) | |
800 | (save-excursion | |
801 | (mh-show-message-in-other-window) | |
802 | ;; Go to top of screen (in case user moved point). | |
803 | (move-to-window-line 0) | |
804 | (let ((case-fold-search nil)) | |
805 | (beginning-of-line) | |
806 | (mh-when (not (and (search-backward "\n\n" nil t) | |
807 | (search-backward "From:" nil t))) | |
808 | (other-window -1) | |
809 | (error "No more messages"))) | |
810 | ;; Go back to previous blank line, then forward to the first non-blank. | |
811 | (search-backward "\n\n" nil t) | |
812 | (forward-line 2) | |
813 | (mh-recenter 0) | |
814 | (other-window -1))) | |
815 | ||
816 | ||
817 | (defun mh-page-msg (&optional arg) | |
818 | "Page the displayed message forwards. | |
819 | Scrolls ARG lines or a full screen if no argument is supplied." | |
820 | (interactive "P") | |
821 | (scroll-other-window arg)) | |
822 | ||
823 | ||
824 | (defun mh-previous-page (&optional arg) | |
825 | "Page the displayed message backwards. | |
826 | Scrolls ARG lines or a full screen if no argument is supplied." | |
827 | (interactive "P") | |
828 | (save-excursion | |
829 | (mh-show-message-in-other-window) | |
830 | (unwind-protect | |
831 | (scroll-down arg) | |
832 | (other-window -1)))) | |
833 | ||
834 | ||
835 | (defun mh-previous-undeleted-msg (&optional arg) | |
836 | "Move to previous undeleted message in window." | |
837 | (interactive "p") | |
838 | (setq mh-next-direction 'backward) | |
839 | (beginning-of-line) | |
840 | (cond ((re-search-backward mh-good-msg-regexp nil 0 arg) | |
841 | (mh-maybe-show)) | |
842 | (t | |
843 | (if (get-buffer mh-show-buffer) | |
844 | (delete-windows-on mh-show-buffer))))) | |
845 | ||
846 | ||
847 | (defun mh-print-msg (prefix-provided msg-or-seq) | |
848 | "Print MESSAGE(s) (default: displayed message) on a line printer. | |
849 | If optional prefix argument provided, then prompt for the message sequence." | |
850 | (interactive (list current-prefix-arg | |
851 | (if current-prefix-arg | |
852 | (reverse (mh-seq-to-msgs | |
853 | (mh-read-seq-default "Print" t))) | |
854 | (mh-get-msg-num t)))) | |
855 | (if prefix-provided | |
856 | (message "Printing sequence...") | |
857 | (message "Printing message...")) | |
858 | (let ((print-command | |
859 | (if prefix-provided | |
860 | (format "(scan -clear %s ; %s -nobell -clear %s %s) | %s" | |
861 | (mapconcat (function (lambda (msg) msg)) msg-or-seq " ") | |
862 | (expand-file-name "mhl" mh-lib) | |
863 | (if (stringp mhl-formfile) | |
864 | (format "-form %s" mhl-formfile) | |
865 | "") | |
866 | (mh-msg-filenames msg-or-seq) | |
867 | (format mh-lpr-command-format | |
868 | (if prefix-provided | |
869 | (format "Sequence from %s" mh-current-folder) | |
870 | (format "%s/%d" mh-current-folder | |
871 | msg-or-seq)))) | |
872 | (format "%s -nobell -clear %s %s | %s" | |
873 | (expand-file-name "mhl" mh-lib) | |
874 | (mh-msg-filename msg-or-seq) | |
875 | (if (stringp mhl-formfile) | |
876 | (format "-form %s" mhl-formfile) | |
877 | "") | |
878 | (format mh-lpr-command-format | |
879 | (if prefix-provided | |
880 | (format "Sequence from %s" mh-current-folder) | |
881 | (format "%s/%d" mh-current-folder | |
882 | msg-or-seq))))))) | |
883 | (if mh-print-background | |
884 | (mh-exec-cmd-daemon shell-file-name "-c" print-command) | |
885 | (call-process shell-file-name nil nil nil "-c" print-command)) | |
886 | (if prefix-provided | |
887 | (mh-notate-seq msg-or-seq ?P mh-cmd-note) | |
888 | (mh-notate msg-or-seq ?P mh-cmd-note)) | |
889 | (mh-add-msgs-to-seq msg-or-seq 'printed t) | |
890 | (if prefix-provided | |
891 | (message "Printing sequence...done") | |
892 | (message "Printing message...done")))) | |
893 | ||
894 | ||
895 | (defun mh-put-msg-in-seq (prefix-provided from to) | |
896 | "Add MESSAGE(s) (default: displayed message) to SEQUENCE. | |
897 | If optional prefix argument provided, then prompt for the message sequence." | |
898 | (interactive (list current-prefix-arg | |
899 | (if current-prefix-arg | |
900 | (mh-seq-to-msgs | |
901 | (mh-read-seq-default "Add messages from" t)) | |
902 | (mh-get-msg-num t)) | |
903 | (mh-read-seq-default "Add to" nil))) | |
904 | (setq mh-previous-seq to) | |
905 | (mh-add-msgs-to-seq from to)) | |
906 | ||
907 | ||
908 | (defun mh-rescan-folder (range) | |
909 | "Rescan a folder after optionally processing the outstanding commands. | |
910 | If optional prefix argument is provided, prompt for the range of | |
911 | messages to display. Otherwise show the entire folder." | |
912 | (interactive (list (if current-prefix-arg | |
913 | (mh-read-msg-range "Range to scan [all]? ") | |
914 | nil))) | |
915 | (setq mh-next-direction 'forward) | |
916 | (mh-scan-folder mh-current-folder (or range "all"))) | |
917 | ||
918 | ||
919 | (defun mh-redistribute (to cc msg) | |
920 | "Redistribute a letter. | |
921 | Depending on how your copy of MH was compiled, you may need to change the | |
922 | setting of the variable mh-redist-full-contents. See its documentation." | |
923 | (interactive (list (read-string "Redist-To: ") | |
924 | (read-string "Redist-Cc: ") | |
925 | (mh-get-msg-num t))) | |
926 | (save-window-excursion | |
927 | (let ((folder mh-current-folder) | |
928 | (draft (mh-read-draft "redistribution" | |
929 | (if mh-redist-full-contents | |
930 | (mh-msg-filename msg) | |
931 | nil) | |
932 | nil))) | |
933 | (mh-goto-header-end 0) | |
934 | (insert "Resent-To: " to "\n") | |
935 | (if (not (equal cc "")) (insert "Resent-cc: " cc "\n")) | |
936 | (mh-clean-msg-header (point-min) | |
937 | "^Message-Id:\\|^Received:\\|^Return-Path:\\|^Sender:\\|^Date:\\|^From:" | |
938 | nil) | |
939 | (save-buffer) | |
940 | (message "Redistributing...") | |
941 | (if mh-redist-full-contents | |
942 | (call-process "/bin/sh" nil 0 nil "-c" | |
943 | (format "mhdist=1 mhaltmsg=%s %s -push %s" | |
944 | (buffer-file-name) | |
945 | (expand-file-name "send" mh-progs) | |
946 | (buffer-file-name))) | |
947 | (call-process "/bin/sh" nil 0 nil "-c" | |
948 | (format "mhdist=1 mhaltmsg=%s mhannotate=1 %s -push %s" | |
949 | (mh-msg-filename msg folder) | |
950 | (expand-file-name "send" mh-progs) | |
951 | (buffer-file-name)))) | |
952 | (mh-annotate-msg msg folder mh-note-dist | |
953 | "-component" "Resent:" | |
954 | "-text" (format "\"%s %s\"" to cc)) | |
955 | (kill-buffer draft) | |
956 | (message "Redistributing...done")))) | |
957 | ||
958 | ||
959 | (defun mh-write-msg-to-file (msg file) | |
960 | "Append MESSAGE to the end of a FILE." | |
961 | (interactive | |
962 | (list (mh-get-msg-num t) | |
963 | (let ((default-dir (if (eq 'write (car mh-last-destination)) | |
964 | (file-name-directory (cdr mh-last-destination)) | |
965 | default-directory))) | |
966 | (read-file-name "Save message in file: " default-dir | |
967 | (expand-file-name "mail.out" default-dir))))) | |
968 | (let ((file-name (mh-msg-filename msg)) | |
969 | (output-file (mh-expand-file-name file))) | |
970 | (setq mh-last-destination (cons 'write file)) | |
971 | (save-excursion | |
972 | (set-buffer (get-buffer-create " *mh-temp*")) | |
973 | (erase-buffer) | |
974 | (insert-file-contents file-name) | |
975 | (append-to-file (point-min) (point-max) output-file)))) | |
976 | ||
977 | ||
978 | (defun mh-search-folder (folder) | |
979 | "Search FOLDER for messages matching a pattern." | |
980 | (interactive (list (mh-prompt-for-folder "Search" | |
981 | mh-current-folder | |
982 | t))) | |
983 | (switch-to-buffer-other-window "pick-pattern") | |
984 | (if (or (zerop (buffer-size)) | |
985 | (not (y-or-n-p "Reuse pattern? "))) | |
986 | (mh-make-pick-template) | |
987 | (message "")) | |
988 | (setq mh-searching-folder folder)) | |
989 | ||
990 | ||
991 | (defun mh-send (to cc subject) | |
992 | "Compose and send a letter." | |
993 | (interactive "sTo: \nsCc: \nsSubject: ") | |
994 | (let ((config (current-window-configuration))) | |
995 | (delete-other-windows) | |
996 | (mh-send-sub to cc subject config))) | |
997 | ||
998 | ||
999 | (defun mh-send-other-window (to cc subject) | |
1000 | "Compose and send a letter in another window.." | |
1001 | (interactive "sTo: \nsCc: \nsSubject: ") | |
1002 | (let ((pop-up-windows t)) | |
1003 | (mh-send-sub to cc subject (current-window-configuration)))) | |
1004 | ||
1005 | ||
1006 | (defun mh-send-sub (to cc subject config) | |
1007 | "Do the real work of composing and sending a letter. | |
1008 | Expects the TO, CC, and SUBJECT fields as arguments. | |
1009 | CONFIG is the window configuration before sending mail." | |
1010 | (let ((folder mh-current-folder) | |
1011 | (msg-num (mh-get-msg-num nil))) | |
1012 | (message "Composing a message...") | |
1013 | (let ((draft (mh-read-draft | |
1014 | "message" | |
1015 | (if (file-exists-p | |
1016 | (expand-file-name "components" mh-user-path)) | |
1017 | (expand-file-name "components" mh-user-path) | |
1018 | (if (file-exists-p | |
1019 | (expand-file-name "components" mh-lib)) | |
1020 | (expand-file-name "components" mh-lib) | |
1021 | (error "Can't find components file"))) | |
1022 | nil))) | |
1023 | (mh-insert-fields "To:" to "Subject:" subject "Cc:" cc) | |
1024 | (set-buffer-modified-p nil) | |
1025 | (goto-char (point-max)) | |
1026 | (message "Composing a message...done") | |
1027 | (mh-compose-and-send-mail draft "" folder msg-num | |
1028 | to subject cc | |
1029 | nil nil config)))) | |
1030 | ||
1031 | ||
1032 | (defun mh-show (&optional msg) | |
1033 | "Show MESSAGE (default: displayed message). | |
1034 | Forces a two-window display with the folder window on top (size | |
1035 | mh-summary-height) and the show buffer below it." | |
1036 | (interactive) | |
1037 | (if (not msg) | |
1038 | (setq msg (mh-get-msg-num t))) | |
1039 | (setq mh-showing t) | |
1040 | (mh-set-mode-name "mh-e show") | |
1041 | (if (not (eql (next-window (minibuffer-window)) (selected-window))) | |
1042 | (delete-other-windows)) ; force ourself to the top window | |
1043 | (let ((folder mh-current-folder)) | |
1044 | (mh-show-message-in-other-window) | |
1045 | (mh-display-msg msg folder)) | |
1046 | (other-window -1) | |
1047 | (shrink-window (- (window-height) mh-summary-height)) | |
1048 | (mh-recenter nil) | |
1049 | (if (not (memq msg mh-seen-list)) (mh-push msg mh-seen-list))) | |
1050 | ||
1051 | ||
1052 | (defun mh-sort-folder () | |
1053 | "Sort the messages in the current folder by date." | |
1054 | (interactive "") | |
1055 | (mh-process-or-undo-commands mh-current-folder) | |
1056 | (setq mh-next-direction 'forward) | |
1057 | (mh-set-folder-modified-p t) ; lock folder while sorting | |
1058 | (message "Sorting folder...") | |
1059 | (mh-exec-cmd "sortm" mh-current-folder) | |
1060 | (message "Sorting folder...done") | |
1061 | (mh-scan-folder mh-current-folder "all")) | |
1062 | ||
1063 | ||
1064 | (defun mh-toggle-showing () | |
1065 | "Toggle the scanning mode/showing mode of displaying messages." | |
1066 | (interactive) | |
1067 | (if mh-showing | |
1068 | (mh-set-scan-mode) | |
1069 | (mh-show))) | |
1070 | ||
1071 | ||
1072 | (defun mh-undo (prefix-provided msg-or-seq) | |
1073 | "Undo the deletion or refile of the specified MESSAGE(s). | |
1074 | Default is the displayed message. If optional prefix argument is | |
1075 | provided, then prompt for the message sequence." | |
1076 | (interactive (list current-prefix-arg | |
1077 | (if current-prefix-arg | |
1078 | (mh-read-seq-default "Undo" t) | |
1079 | (mh-get-msg-num t)))) | |
1080 | ||
1081 | (cond (prefix-provided | |
1082 | (mh-mapc (function mh-undo-msg) (mh-seq-to-msgs msg-or-seq))) | |
1083 | ((or (looking-at mh-deleted-msg-regexp) | |
1084 | (looking-at mh-refiled-msg-regexp)) | |
1085 | (mh-undo-msg (mh-get-msg-num t))) | |
1086 | (t | |
1087 | (error "Nothing to undo"))) | |
1088 | ;; update the mh-refile-list so mh-outstanding-commands-p will work | |
1089 | (mh-mapc (function | |
1090 | (lambda (elt) | |
1091 | (if (not (mh-seq-to-msgs elt)) | |
1092 | (setq mh-refile-list (delq elt mh-refile-list))))) | |
1093 | mh-refile-list) | |
1094 | ||
1095 | (if (not (mh-outstanding-commands-p)) | |
1096 | (mh-set-folder-modified-p nil))) | |
1097 | ||
1098 | ||
1099 | (defun mh-undo-msg (msg) | |
1100 | ;; Undo the deletion or refile of one MESSAGE. | |
1101 | (cond ((memq msg mh-delete-list) | |
1102 | (setq mh-delete-list (delq msg mh-delete-list)) | |
1103 | (mh-remove-msg-from-seq msg 'deleted t) | |
1104 | (mh-notate msg ? mh-cmd-note)) | |
1105 | (t | |
1106 | (mh-mapc (function (lambda (dest) | |
1107 | (mh-remove-msg-from-seq msg dest t))) | |
1108 | mh-refile-list) | |
1109 | (mh-notate msg ? mh-cmd-note)))) | |
1110 | ||
1111 | ||
1112 | (defun mh-undo-folder (&rest ignore) | |
1113 | "Undo all commands in current folder." | |
1114 | (interactive "") | |
1115 | (cond ((or mh-do-not-confirm | |
1116 | (yes-or-no-p "Undo all commands in folder? ")) | |
1117 | (setq mh-delete-list nil | |
1118 | mh-refile-list nil | |
1119 | mh-seq-list nil | |
1120 | mh-next-direction 'forward) | |
1121 | (with-mh-folder-updating (nil) | |
1122 | (mh-unmark-all-headers t))) | |
1123 | (t | |
1124 | (message "Commands not undone.") | |
1125 | (sit-for 2)))) | |
1126 | ||
1127 | ||
1128 | (defun mh-visit-folder (folder &optional range) | |
1129 | "Visit FOLDER and display RANGE of messages." | |
1130 | (interactive (list (mh-prompt-for-folder "Visit" "+inbox" t) | |
1131 | (mh-read-msg-range "Range [all]? "))) | |
1132 | (let ((config (current-window-configuration))) | |
1133 | (mh-scan-folder folder (or range "all")) | |
1134 | (setq mh-previous-window-config config))) | |
1135 | ||
1136 | ||
1137 | (defun mh-widen () | |
1138 | "Remove restrictions from the current folder, thereby showing all messages." | |
1139 | (interactive "") | |
1140 | (with-mh-folder-updating (t) | |
1141 | (delete-region (point-min) (point-max)) | |
1142 | (widen) | |
1143 | (mh-make-folder-mode-line)) | |
1144 | (setq mh-narrowed-to-seq nil)) | |
1145 | ||
1146 | \f | |
1147 | ||
1148 | ;;; Support routines. | |
1149 | ||
1150 | (defun mh-delete-a-msg (msg) | |
1151 | ;; Delete the MESSAGE. | |
1152 | (save-excursion | |
1153 | (mh-goto-msg msg nil t) | |
1154 | (if (looking-at mh-refiled-msg-regexp) | |
1155 | (error "Message %d is refiled. Undo refile before deleting." msg)) | |
1156 | (if (looking-at mh-deleted-msg-regexp) | |
1157 | nil | |
1158 | (mh-set-folder-modified-p t) | |
1159 | (mh-push msg mh-delete-list) | |
1160 | (mh-add-msgs-to-seq msg 'deleted t) | |
1161 | (mh-notate msg ?D mh-cmd-note)))) | |
1162 | ||
1163 | ||
1164 | (defun mh-refile-a-msg (msg destination) | |
1165 | ;; Refile MESSAGE in FOLDER. | |
1166 | (save-excursion | |
1167 | (mh-goto-msg msg nil t) | |
1168 | (cond ((looking-at mh-deleted-msg-regexp) | |
1169 | (error "Message %d is deleted. Undo delete before moving." msg)) | |
1170 | ((looking-at mh-refiled-msg-regexp) | |
1171 | (if (y-or-n-p | |
1172 | (format "Message %d already refiled. Copy to %s as well? " | |
1173 | msg destination)) | |
1174 | (mh-exec-cmd "refile" (mh-get-msg-num t) "-link" | |
1175 | "-src" mh-current-folder | |
1176 | (symbol-name destination)) | |
1177 | (message "Message not copied."))) | |
1178 | (t | |
1179 | (mh-set-folder-modified-p t) | |
1180 | (if (not (memq destination mh-refile-list)) | |
1181 | (mh-push destination mh-refile-list)) | |
1182 | (if (not (memq msg (mh-seq-to-msgs destination))) | |
1183 | (mh-add-msgs-to-seq msg destination t)) | |
1184 | (mh-notate msg ?^ mh-cmd-note))))) | |
1185 | ||
1186 | ||
1187 | (defun mh-display-msg (msg-num folder) | |
1188 | ;; Display message NUMBER of FOLDER. | |
1189 | (set-buffer folder) | |
1190 | ;; Bind variables in folder buffer in case they are local | |
1191 | (let ((formfile mhl-formfile) | |
1192 | (clean-message-header mh-clean-message-header) | |
1193 | (invisible-headers mh-invisible-headers) | |
1194 | (visible-headers mh-visible-headers) | |
1195 | (msg-filename (mh-msg-filename msg-num)) | |
1196 | (show-buffer mh-show-buffer) | |
1197 | (folder mh-current-folder)) | |
1198 | (if (not (file-exists-p msg-filename)) | |
1199 | (error "Message %d does not exist" msg-num)) | |
1200 | (switch-to-buffer show-buffer) | |
1201 | (if mh-bury-show-buffer (bury-buffer (current-buffer))) | |
1202 | (mh-when (not (equal msg-filename buffer-file-name)) | |
1203 | ;; Buffer does not yet contain message. | |
1204 | (clear-visited-file-modtime) | |
1205 | (unlock-buffer) | |
1206 | (setq buffer-file-name nil) ; no locking during setup | |
1207 | (erase-buffer) | |
1208 | (if formfile | |
1209 | (if (stringp formfile) | |
1210 | (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear" | |
1211 | "-form" formfile msg-filename) | |
1212 | (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear" | |
1213 | msg-filename)) | |
1214 | (insert-file-contents msg-filename)) | |
1215 | (goto-char (point-min)) | |
1216 | (cond (clean-message-header | |
1217 | (mh-clean-msg-header (point-min) | |
1218 | invisible-headers | |
1219 | visible-headers) | |
1220 | (goto-char (point-min))) | |
1221 | (t | |
1222 | (let ((case-fold-search t)) | |
1223 | (re-search-forward | |
1224 | "^To:\\|^From:\\|^Subject:\\|^Date:" nil t) | |
1225 | (beginning-of-line) | |
1226 | (mh-recenter 0)))) | |
1227 | (set-buffer-modified-p nil) | |
1228 | (setq buffer-file-name msg-filename) | |
1229 | (set-mark nil) | |
1230 | (setq mode-line-buffer-identification | |
1231 | (list (format mh-show-buffer-mode-line-buffer-id | |
1232 | folder msg-num)))))) | |
1233 | ||
1234 | ||
1235 | (defun mh-invalidate-show-buffer () | |
1236 | ;; Invalidate the show buffer so we must update it to use it. | |
1237 | (if (get-buffer mh-show-buffer) | |
1238 | (save-excursion | |
1239 | (set-buffer mh-show-buffer) | |
1240 | (setq buffer-file-name nil)))) | |
1241 | ||
1242 | ||
1243 | (defun mh-show-message-in-other-window () | |
1244 | (switch-to-buffer-other-window mh-show-buffer) | |
1245 | (if mh-bury-show-buffer (bury-buffer (current-buffer)))) | |
1246 | ||
1247 | ||
1248 | (defun mh-clean-msg-header (start invisible-headers visible-headers) | |
1249 | ;; Flush extraneous lines in a message header, from the given POINT to the | |
1250 | ;; end of the message header. If VISIBLE-HEADERS is non-nil, it contains a | |
1251 | ;; regular expression specifying the lines to display, otherwise | |
1252 | ;; INVISIBLE-HEADERS contains a regular expression specifying lines to | |
1253 | ;; delete from the header. | |
1254 | (let ((case-fold-search t)) | |
1255 | (save-restriction | |
1256 | (goto-char start) | |
1257 | (if (search-forward "\n\n" nil t) | |
1258 | (backward-char 2)) | |
1259 | (narrow-to-region start (point)) | |
1260 | (goto-char (point-min)) | |
1261 | (if visible-headers | |
1262 | (while (< (point) (point-max)) | |
1263 | (beginning-of-line) | |
1264 | (cond ((looking-at visible-headers) | |
1265 | (forward-line 1) | |
1266 | (while (looking-at "^[ \t]+") (forward-line 1))) | |
1267 | (t | |
1268 | (mh-delete-line 1) | |
1269 | (while (looking-at "^[ \t]+") | |
1270 | (beginning-of-line) | |
1271 | (mh-delete-line 1))))) | |
1272 | (while (re-search-forward invisible-headers nil t) | |
1273 | (beginning-of-line) | |
1274 | (mh-delete-line 1) | |
1275 | (while (looking-at "^[ \t]+") | |
1276 | (beginning-of-line) | |
1277 | (mh-delete-line 1)))) | |
1278 | (unlock-buffer)))) | |
1279 | ||
1280 | ||
1281 | (defun mh-delete-line (lines) | |
1282 | ;; Delete version of kill-line. | |
1283 | (delete-region (point) (save-excursion (forward-line lines) (point)))) | |
1284 | ||
1285 | ||
1286 | (defun mh-read-draft (use initial-contents delete-contents-file) | |
1287 | ;; Read draft file into a draft buffer and make that buffer the current one. | |
1288 | ;; USE is a message used for prompting about the intended use of the message. | |
1289 | ;; INITIAL-CONTENTS is filename that is read into an empty buffer, or NIL | |
1290 | ;; if buffer should not be modified. Delete the initial-contents file if | |
1291 | ;; DELETE-CONTENTS-FILE flag is set. | |
1292 | ;; Returns the draft folder's name. | |
1293 | ;; If the draft folder facility is enabled in ~/.mh_profile, a new buffer is | |
1294 | ;; used each time and saved in the draft folder. The draft file can then be | |
1295 | ;; reused. | |
1296 | (cond (mh-draft-folder | |
1297 | (let ((orig-default-dir default-directory)) | |
1298 | (pop-to-buffer (find-file-noselect (mh-new-draft-name) t)) | |
1299 | (rename-buffer (format "draft-%s" (buffer-name))) | |
1300 | (setq default-directory orig-default-dir))) | |
1301 | (t | |
1302 | (let ((draft-name (expand-file-name "draft" mh-user-path))) | |
1303 | (pop-to-buffer "draft") ; Create if necessary | |
1304 | (if (buffer-modified-p) | |
1305 | (if (y-or-n-p "Draft has been modified; kill anyway? ") | |
1306 | (set-buffer-modified-p nil) | |
1307 | (error "Draft preserved"))) | |
1308 | (setq buffer-file-name draft-name) | |
1309 | (clear-visited-file-modtime) | |
1310 | (unlock-buffer) | |
1311 | (mh-when (and (file-exists-p draft-name) | |
1312 | (not (equal draft-name initial-contents))) | |
1313 | (insert-file-contents draft-name) | |
1314 | (delete-file draft-name))))) | |
1315 | (mh-when (and initial-contents | |
1316 | (or (zerop (buffer-size)) | |
1317 | (not (y-or-n-p | |
1318 | (format "A draft exists. Use for %s? " use))))) | |
1319 | (erase-buffer) | |
1320 | (insert-file-contents initial-contents) | |
1321 | (if delete-contents-file (delete-file initial-contents))) | |
1322 | (auto-save-mode 1) | |
1323 | (if mh-draft-folder | |
1324 | (save-buffer)) ; Do not reuse draft name | |
1325 | (buffer-name)) | |
1326 | ||
1327 | ||
1328 | (defun mh-new-draft-name () | |
1329 | ;; Returns the pathname of folder for draft messages. | |
1330 | (save-excursion | |
1331 | (set-buffer (get-buffer-create " *mh-temp*")) | |
1332 | (erase-buffer) | |
1333 | (mh-exec-cmd-output "mhpath" nil mh-draft-folder "new") | |
1334 | (buffer-substring (point) (1- (mark))))) | |
1335 | ||
1336 | ||
1337 | (defun mh-next-msg () | |
1338 | ;; Move backward or forward to the next undeleted message in the buffer. | |
1339 | (if (eq mh-next-direction 'forward) | |
1340 | (mh-next-undeleted-msg 1) | |
1341 | (mh-previous-undeleted-msg 1))) | |
1342 | ||
1343 | ||
1344 | (defun mh-set-scan-mode () | |
1345 | ;; Display the scan listing buffer, but do not show a message. | |
1346 | (if (get-buffer mh-show-buffer) | |
1347 | (delete-windows-on mh-show-buffer)) | |
1348 | (mh-set-mode-name "mh-e scan") | |
1349 | (setq mh-showing nil) | |
1350 | (if mh-recenter-summary-p | |
1351 | (mh-recenter nil))) | |
1352 | ||
1353 | ||
1354 | (defun mh-maybe-show (&optional msg) | |
1355 | ;; If in showing mode, then display the message pointed to by the cursor. | |
1356 | (if mh-showing (mh-show msg))) | |
1357 | ||
1358 | ||
1359 | (defun mh-set-mode-name (mode-name-string) | |
1360 | ;; Set the mode-name and ensure that the mode line is updated. | |
1361 | (setq mode-name mode-name-string) | |
1362 | ;; Force redisplay of all buffers' mode lines to be considered. | |
1363 | (save-excursion (set-buffer (other-buffer))) | |
1364 | (set-buffer-modified-p (buffer-modified-p))) | |
1365 | ||
1366 | \f | |
1367 | ||
1368 | ;;; The folder data abstraction. | |
1369 | ||
1370 | (defvar mh-current-folder nil "Name of current folder, a string.") | |
1371 | (defvar mh-show-buffer nil "Buffer that displays mesage for this folder.") | |
1372 | (defvar mh-folder-filename nil "Full path of directory for this folder.") | |
1373 | (defvar mh-showing nil "If non-nil, show the message in a separate window.") | |
1374 | (defvar mh-next-seq-num nil "Index of free sequence id.") | |
1375 | (defvar mh-delete-list nil "List of msg numbers to delete.") | |
1376 | (defvar mh-refile-list nil "List of folder names in mh-seq-list.") | |
1377 | (defvar mh-seq-list nil "Alist of (seq . msgs) numbers.") | |
1378 | (defvar mh-seen-list nil "List of displayed messages.") | |
1379 | (defvar mh-next-direction 'forward "Direction to move to next message.") | |
1380 | (defvar mh-narrowed-to-seq nil "Sequence display is narrowed to.") | |
1381 | (defvar mh-first-msg-num nil "Number of first msg in buffer.") | |
1382 | (defvar mh-last-msg-num nil "Number of last msg in buffer.") | |
1383 | ||
1384 | ||
1385 | (defun mh-make-folder (name) | |
1386 | ;; Create and initialize a new mail folder called NAME and make it the | |
1387 | ;; current folder. | |
1388 | (switch-to-buffer name) | |
1389 | (setq buffer-read-only nil) | |
1390 | (erase-buffer) | |
1391 | (setq buffer-read-only t) | |
1392 | (mh-folder-mode) | |
1393 | (mh-set-folder-modified-p nil) | |
1394 | (setq buffer-file-name mh-folder-filename) | |
1395 | (mh-set-mode-name "mh-e scan")) | |
1396 | ||
1397 | ||
1398 | ;;; Don't use this mode when creating buffers if default-major-mode is nil. | |
1399 | (put 'mh-folder-mode 'mode-class 'special) | |
1400 | ||
1401 | (defun mh-folder-mode () | |
1402 | "Major mode for \"editing\" an MH folder scan listing. | |
1403 | Messages can be marked for refiling and deletion. However, both actions | |
1404 | are deferred until you request execution with \\[mh-execute-commands]. | |
1405 | \\{mh-folder-mode-map} | |
1406 | A prefix argument (\\[universal-argument]) to delete, refile, list, or undo | |
1407 | applies the action to a message sequence. | |
1408 | ||
1409 | Variables controlling mh-e operation are (defaults in parentheses): | |
1410 | ||
1411 | mh-bury-show-buffer (t) | |
1412 | Non-nil means that the buffer used to display message is buried. | |
1413 | It will never be offered as the default other buffer. | |
1414 | ||
1415 | mh-clean-message-header (nil) | |
1416 | Non-nil means remove header lines matching the regular expression | |
1417 | specified in mh-invisible-headers from messages. | |
1418 | ||
1419 | mh-visible-headers (nil) | |
1420 | If non-nil, it contains a regexp specifying the headers that are shown in | |
1421 | a message if mh-clean-message-header is non-nil. Setting this variable | |
1422 | overrides mh-invisible-headers. | |
1423 | ||
1424 | mh-do-not-confirm (nil) | |
1425 | Non-nil means do not prompt for confirmation before executing some | |
1426 | non-recoverable commands such as mh-kill-folder and mh-undo-folder. | |
1427 | ||
1428 | mhl-formfile (nil) | |
1429 | Name of format file to be used by mhl to show messages. | |
1430 | A value of T means use the default format file. | |
1431 | Nil means don't use mhl to format messages. | |
1432 | ||
1433 | mh-lpr-command-format (\"lpr -p -J '%s'\") | |
1434 | Format for command used to print a message on a system printer. | |
1435 | ||
1436 | mh-recenter-summary-p (nil) | |
1437 | If non-nil, then the scan listing is recentered when the window displaying | |
1438 | a messages is toggled off. | |
1439 | ||
1440 | mh-summary-height (4) | |
1441 | Number of lines in the summary window. | |
1442 | ||
1443 | mh-ins-buf-prefix (\">> \") | |
1444 | String to insert before each non-blank line of a message as it is | |
1445 | inserted in a draft letter. | |
1446 | ||
1447 | The value of mh-folder-mode-hook is called when a new folder is set up." | |
1448 | ||
1449 | (kill-all-local-variables) | |
1450 | (use-local-map mh-folder-mode-map) | |
1451 | (setq major-mode 'mh-folder-mode) | |
1452 | (mh-set-mode-name "mh-e folder") | |
1453 | (make-local-vars | |
1454 | 'mh-current-folder (buffer-name) ; Name of folder, a string | |
1455 | 'mh-show-buffer (format "show-%s" (buffer-name)) ; Buffer that displays msgs | |
1456 | 'mh-folder-filename ; e.g. "/usr/foobar/Mail/inbox/" | |
1457 | (file-name-as-directory (mh-expand-file-name (buffer-name))) | |
1458 | 'mh-showing nil ; Show message also? | |
1459 | 'mh-next-seq-num 0 ; Index of free sequence id | |
1460 | 'mh-delete-list nil ; List of msgs nums to delete | |
1461 | 'mh-refile-list nil ; List of folder names in mh-seq-list | |
1462 | 'mh-seq-list nil ; Alist of (seq . msgs) nums | |
1463 | 'mh-seen-list nil ; List of displayed messages | |
1464 | 'mh-next-direction 'forward ; Direction to move to next message | |
1465 | 'mh-narrowed-to-seq nil ; Sequence display is narrowed to | |
1466 | 'mh-first-msg-num nil ; Number of first msg in buffer | |
1467 | 'mh-last-msg-num nil ; Number of last msg in buffer | |
1468 | 'mh-previous-window-config nil) ; Previous window configuration | |
1469 | (auto-save-mode -1) | |
1470 | (setq buffer-offer-save t) | |
1471 | (make-local-variable 'write-file-hooks) | |
1472 | (setq write-file-hooks '(mh-execute-commands)) | |
1473 | (make-local-variable 'revert-buffer-function) | |
1474 | (setq revert-buffer-function 'mh-undo-folder) | |
1475 | (run-hooks 'mh-folder-mode-hook)) | |
1476 | ||
1477 | ||
1478 | (defun make-local-vars (&rest pairs) | |
1479 | ;; Take VARIABLE-VALUE pairs and makes local variables initialized to the | |
1480 | ;; value. | |
1481 | (while pairs | |
1482 | (make-variable-buffer-local (car pairs)) | |
1483 | (set (car pairs) (car (cdr pairs))) | |
1484 | (setq pairs (cdr (cdr pairs))))) | |
1485 | ||
1486 | ||
1487 | (defun mh-scan-folder (folder range) | |
1488 | ;; Scan the FOLDER over the RANGE. Return in the folder's buffer. | |
1489 | (cond ((null (get-buffer folder)) | |
1490 | (mh-make-folder folder)) | |
1491 | (t | |
1492 | (mh-process-or-undo-commands folder) | |
1493 | (switch-to-buffer folder))) | |
1494 | (mh-regenerate-headers range) | |
1495 | (mh-when (zerop (buffer-size)) | |
1496 | (if (equal range "all") | |
1497 | (message "Folder %s is empty" folder) | |
1498 | (message "No messages in %s, range %s" folder range)) | |
1499 | (sit-for 5)) | |
1500 | (mh-goto-cur-msg)) | |
1501 | ||
1502 | ||
1503 | (defun mh-regenerate-headers (range) | |
1504 | ;; Replace buffer with scan of its contents over range RANGE. | |
1505 | (let ((folder mh-current-folder)) | |
1506 | (message "Scanning %s..." folder) | |
1507 | (with-mh-folder-updating (nil) | |
1508 | (erase-buffer) | |
1509 | (mh-exec-cmd-output "scan" nil | |
1510 | "-noclear" "-noheader" | |
1511 | "-width" (window-width) | |
1512 | folder range) | |
1513 | (goto-char (point-min)) | |
1514 | (cond ((looking-at "scan: no messages in") | |
1515 | (keep-lines mh-valid-scan-line)) ; Flush random scan lines | |
1516 | ((looking-at "scan: ")) ; Keep error messages | |
1517 | (t | |
1518 | (keep-lines mh-valid-scan-line))) ; Flush random scan lines | |
1519 | (mh-delete-seq-locally 'cur) ; To pick up new one | |
1520 | (setq mh-seq-list (mh-read-folder-sequences folder nil)) | |
1521 | (mh-notate-user-sequences) | |
1522 | (mh-make-folder-mode-line (if (equal range "all") | |
1523 | nil | |
1524 | mh-partial-folder-mode-line-annotation))) | |
1525 | (message "Scanning %s...done" folder))) | |
1526 | ||
1527 | ||
1528 | (defun mh-get-new-mail (maildrop-name) | |
1529 | ;; Read new mail from a maildrop into the current buffer. | |
1530 | ;; Return T if there was new mail, NIL otherwise. Return in the current | |
1531 | ;; buffer. | |
1532 | (let ((point-before-inc (point)) | |
1533 | (folder mh-current-folder) | |
1534 | (return-value t)) | |
1535 | (with-mh-folder-updating (t) | |
1536 | (message (if maildrop-name | |
1537 | (format "inc %s -file %s..." folder maildrop-name) | |
1538 | (format "inc %s..." folder))) | |
1539 | (mh-unmark-all-headers nil) | |
1540 | (setq mh-next-direction 'forward) | |
1541 | (goto-char (point-max)) | |
1542 | (let ((start-of-inc (point))) | |
1543 | (if maildrop-name | |
1544 | (mh-exec-cmd-output "inc" nil folder | |
1545 | "-file" (expand-file-name maildrop-name) | |
1546 | "-width" (window-width) | |
1547 | "-truncate") | |
1548 | (mh-exec-cmd-output "inc" nil | |
1549 | "-width" (window-width))) | |
1550 | (message | |
1551 | (if maildrop-name | |
1552 | (format "inc %s -file %s...done" folder maildrop-name) | |
1553 | (format "inc %s...done" folder))) | |
1554 | (goto-char start-of-inc) | |
1555 | (cond ((looking-at "inc: no mail") | |
1556 | (keep-lines mh-valid-scan-line) ; Flush random scan lines | |
1557 | (goto-char point-before-inc) | |
1558 | (message "No new mail%s%s" (if maildrop-name " in " "") | |
1559 | (if maildrop-name maildrop-name ""))) | |
1560 | ((re-search-forward "^inc:" nil t) ; Error messages | |
1561 | (error "inc error")) | |
1562 | (t | |
1563 | (mh-delete-seq-locally 'cur) ; To pick up new one | |
1564 | (setq mh-seq-list (mh-read-folder-sequences folder t)) | |
1565 | (mh-notate-user-sequences) | |
1566 | (keep-lines mh-valid-scan-line) | |
1567 | (mh-make-folder-mode-line) | |
1568 | (mh-goto-cur-msg) | |
1569 | (setq return-value t)))) | |
1570 | return-value))) | |
1571 | ||
1572 | ||
1573 | (defun mh-make-folder-mode-line (&optional annotation) | |
1574 | ;; Set the fields of the mode line for a folder buffer. | |
1575 | ;; The optional ANNOTATION string is displayed after the folder's name. | |
1576 | (save-excursion | |
1577 | (mh-first-msg) | |
1578 | (setq mh-first-msg-num (mh-get-msg-num nil)) | |
1579 | (mh-last-msg) | |
1580 | (setq mh-last-msg-num (mh-get-msg-num nil)) | |
1581 | (let ((lines (count-lines (point-min) (point-max)))) | |
1582 | (setq mode-line-buffer-identification | |
1583 | (list (format "{%%b%s} %d msg%s" | |
1584 | (if annotation (format "/%s" annotation) "") | |
1585 | lines | |
1586 | (if (zerop lines) | |
1587 | "s" | |
1588 | (if (> lines 1) | |
1589 | (format "s (%d-%d)" mh-first-msg-num | |
1590 | mh-last-msg-num) | |
1591 | (format " (%d)" mh-first-msg-num))))))))) | |
1592 | ||
1593 | ||
1594 | (defun mh-unmark-all-headers (remove-all-flags) | |
1595 | ;; Remove all '+' flags from the headers, and if called with a non-nil | |
1596 | ;; argument, remove all 'D', '^' and '%' flags too. | |
1597 | ;; Optimized for speed (i.e., no regular expressions). | |
1598 | (save-excursion | |
1599 | (let ((case-fold-search nil) | |
1600 | (last-line (- (point-max) mh-cmd-note)) | |
1601 | char) | |
1602 | (mh-first-msg) | |
1603 | (while (<= (point) last-line) | |
1604 | (forward-char mh-cmd-note) | |
1605 | (setq char (following-char)) | |
1606 | (if (or (and remove-all-flags | |
1607 | (or (eql char ?D) | |
1608 | (eql char ?^) | |
1609 | (eql char ?%))) | |
1610 | (eql char ?+)) | |
1611 | (progn | |
1612 | (delete-char 1) | |
1613 | (insert " "))) | |
1614 | (forward-line))))) | |
1615 | ||
1616 | ||
1617 | (defun mh-goto-cur-msg () | |
1618 | ;; Position the cursor at the current message. | |
1619 | (let ((cur-msg (car (mh-seq-to-msgs 'cur)))) | |
1620 | (cond ((and cur-msg | |
1621 | (mh-goto-msg cur-msg t nil)) | |
1622 | (mh-notate nil ?+ mh-cmd-note) | |
1623 | (mh-recenter 0) | |
1624 | (mh-maybe-show cur-msg)) | |
1625 | (t | |
1626 | (mh-last-msg) | |
1627 | (message "No current message"))))) | |
1628 | ||
1629 | ||
1630 | (defun mh-pack-folder-1 (range) | |
1631 | ;; Close and pack the current folder. | |
1632 | (mh-process-or-undo-commands mh-current-folder) | |
1633 | (message "Packing folder...") | |
1634 | (mh-set-folder-modified-p t) ; lock folder while packing | |
1635 | (save-excursion | |
1636 | (mh-exec-cmd-quiet " *mh-temp*" "folder" mh-current-folder "-pack")) | |
1637 | (mh-regenerate-headers range)) | |
1638 | ||
1639 | ||
1640 | (defun mh-process-or-undo-commands (folder) | |
1641 | ;; If FOLDER has outstanding commands, then either process or discard them. | |
1642 | (set-buffer folder) | |
1643 | (if (mh-outstanding-commands-p) | |
1644 | (if (or mh-do-not-confirm | |
1645 | (y-or-n-p | |
1646 | "Process outstanding deletes and refiles (or lose them)? ")) | |
1647 | (mh-process-commands folder) | |
1648 | (mh-undo-folder)) | |
1649 | (mh-invalidate-show-buffer))) | |
1650 | ||
1651 | ||
1652 | (defun mh-process-commands (folder) | |
1653 | ;; Process outstanding commands for the folder FOLDER. | |
1654 | (message "Processing deletes and refiles for %s..." folder) | |
1655 | (set-buffer folder) | |
1656 | (with-mh-folder-updating (nil) | |
1657 | ;; Update the unseen sequence if it exists | |
1658 | (if (and mh-seen-list (mh-seq-to-msgs mh-unseen-seq)) | |
1659 | (mh-undefine-sequence mh-unseen-seq mh-seen-list)) | |
1660 | ||
1661 | ;; Then refile messages | |
1662 | (mh-mapc | |
1663 | (function | |
1664 | (lambda (dest) | |
1665 | (let ((msgs (mh-seq-to-msgs dest))) | |
1666 | (mh-when msgs | |
1667 | (apply 'mh-exec-cmd "refile" | |
1668 | "-src" folder (symbol-name dest) msgs) | |
1669 | (mh-delete-scan-msgs msgs))))) | |
1670 | mh-refile-list) | |
1671 | ||
1672 | ;; Now delete messages | |
1673 | (mh-when mh-delete-list | |
1674 | (apply 'mh-exec-cmd "rmm" folder mh-delete-list) | |
1675 | (mh-delete-scan-msgs mh-delete-list)) | |
1676 | ||
1677 | ;; Don't need to remove sequences since delete and refile do so. | |
1678 | ||
1679 | ;; Mark cur message | |
1680 | (if (> (buffer-size) 0) | |
1681 | (mh-define-sequence 'cur (list (or (mh-get-msg-num nil) "last")))) | |
1682 | ||
1683 | (mh-invalidate-show-buffer) | |
1684 | ||
1685 | (setq mh-delete-list nil | |
1686 | mh-refile-list nil | |
1687 | mh-seq-list (mh-read-folder-sequences mh-current-folder nil) | |
1688 | mh-seen-list nil) | |
1689 | (mh-unmark-all-headers t) | |
1690 | (mh-notate-user-sequences) | |
1691 | (message "Processing deletes and refiles for %s...done" folder))) | |
1692 | ||
1693 | ||
1694 | (defun mh-delete-scan-msgs (msgs) | |
1695 | ;; Delete the scan listing lines for each of the msgs in the LIST. | |
1696 | ;; Optimized for speed (i.e., no regular expressions). | |
1697 | (setq msgs (sort msgs (function <))) ;okay to clobber msgs | |
1698 | (save-excursion | |
1699 | (mh-first-msg) | |
1700 | (while (and msgs (< (point) (point-max))) | |
1701 | (cond ((= (mh-get-msg-num nil) (car msgs)) | |
1702 | (delete-region (point) (save-excursion (forward-line) (point))) | |
1703 | (setq msgs (cdr msgs))) | |
1704 | (t | |
1705 | (forward-line)))))) | |
1706 | ||
1707 | ||
1708 | (defun mh-set-folder-modified-p (flag) | |
1709 | "Mark current folder as modified or unmodified according to FLAG." | |
1710 | (set-buffer-modified-p flag)) | |
1711 | ||
1712 | ||
1713 | (defun mh-outstanding-commands-p () | |
1714 | ;; Returns non-nil if there are outstanding deletes or refiles. | |
1715 | (or mh-delete-list mh-refile-list)) | |
1716 | ||
1717 | \f | |
1718 | ||
1719 | ;;; Mode for composing and sending a draft message. | |
1720 | ||
1721 | (defvar mh-sent-from-folder nil | |
1722 | "Folder of msg associated with this letter.") | |
1723 | ||
1724 | (defvar mh-sent-from-msg nil | |
1725 | "Number of msg associated with this letter.") | |
1726 | ||
1727 | (defvar mh-send-args nil | |
1728 | "Extra arguments to pass to \"send\" command.") | |
1729 | ||
1730 | (defvar mh-annotate-char nil | |
1731 | "Character to use to annotate mh-sent-from-msg.") | |
1732 | ||
1733 | (defvar mh-annotate-field nil | |
1734 | "Field name for message annotation.") | |
1735 | ||
1736 | (defun mh-letter-mode () | |
1737 | "Mode for composing letters in mh-e. | |
1738 | When you have finished composing, type \\[mh-send-letter] to send the letter. | |
1739 | ||
1740 | Variables controlling this mode (defaults in parentheses): | |
1741 | ||
1742 | mh-delete-yanked-msg-window (nil) | |
1743 | If non-nil, \\[mh-yank-cur-msg] will delete any windows displaying | |
1744 | the yanked message. | |
1745 | ||
1746 | mh-yank-from-start-of-msg (t) | |
1747 | If non-nil, \\[mh-yank-cur-msg] will include the entire message. | |
1748 | If `body', just yank the body (no header). | |
1749 | If nil, only the portion of the message following the point will be yanked. | |
1750 | If there is a region, this variable is ignored. | |
1751 | ||
1752 | Upon invoking mh-letter-mode, text-mode-hook and mh-letter-mode-hook are | |
1753 | invoked with no args, if those values are non-nil. | |
1754 | ||
1755 | \\{mh-letter-mode-map}" | |
1756 | (interactive) | |
1757 | (kill-all-local-variables) | |
1758 | (make-local-variable 'paragraph-start) | |
1759 | (setq paragraph-start (concat "^[ \t]*[-_][-_][-_]+$\\|" paragraph-start)) | |
1760 | (make-local-variable 'paragraph-separate) | |
1761 | (setq paragraph-separate | |
1762 | (concat "^[ \t]*[-_][-_][-_]+$\\|" paragraph-separate)) | |
1763 | (make-local-variable 'mh-send-args) | |
1764 | (make-local-variable 'mh-annotate-char) | |
1765 | (make-local-variable 'mh-annotate-field) | |
1766 | (make-local-variable 'mh-previous-window-config) | |
1767 | (make-local-variable 'mh-sent-from-folder) | |
1768 | (make-local-variable 'mh-sent-from-msg) | |
1769 | (use-local-map mh-letter-mode-map) | |
1770 | (setq major-mode 'mh-letter-mode) | |
1771 | (mh-set-mode-name "mh-e letter") | |
1772 | (set-syntax-table mh-letter-mode-syntax-table) | |
1773 | (run-hooks 'text-mode-hook 'mh-letter-mode-hook) | |
1774 | (mh-when auto-fill-function | |
1775 | (make-local-variable 'auto-fill-function) | |
1776 | (setq auto-fill-function 'mh-auto-fill-for-letter))) | |
1777 | ||
1778 | ||
1779 | (defun mh-auto-fill-for-letter () | |
1780 | ;; Auto-fill in letters treats the header specially by inserting a tab | |
1781 | ;; before continuation line. | |
1782 | (do-auto-fill) | |
1783 | (if (mh-in-header-p) | |
1784 | (save-excursion | |
1785 | (beginning-of-line nil) | |
1786 | (insert-char ?\t 1)))) | |
1787 | ||
1788 | ||
1789 | (defun mh-in-header-p () | |
1790 | ;; Return non-nil if the point is in the header of a draft message. | |
1791 | (save-excursion | |
1792 | (let ((cur-point (point))) | |
1793 | (goto-char (point-min)) | |
1794 | (re-search-forward "^--------" nil t) | |
1795 | (< cur-point (point))))) | |
1796 | ||
1797 | ||
1798 | (defun mh-to-field () | |
1799 | "Move point to the end of a specified header field. | |
1800 | The field is indicated by the previous keystroke. Create the field if | |
1801 | it does not exist. Set the mark to point before moving." | |
1802 | (interactive "") | |
1803 | (expand-abbrev) | |
1804 | (let ((target (cdr (assoc (logior last-input-char ?`) mh-to-field-choices))) | |
1805 | (case-fold-search t)) | |
1806 | (cond ((mh-position-on-field target t) | |
1807 | (let ((eol (point))) | |
1808 | (skip-chars-backward " \t") | |
1809 | (delete-region (point) eol)) | |
1810 | (if (save-excursion | |
1811 | (backward-char 1) | |
1812 | (not (looking-at "[:,]"))) | |
1813 | (insert ", ") | |
1814 | (insert " "))) | |
1815 | (t | |
1816 | (goto-char (point-min)) | |
1817 | (re-search-forward "^To:") | |
1818 | (forward-line 1) | |
1819 | (while (looking-at "^[ \t]") (forward-line 1)) | |
1820 | (insert (format "%s \n" target)) | |
1821 | (backward-char 1))))) | |
1822 | ||
1823 | ||
1824 | (defun mh-to-fcc () | |
1825 | "Insert an Fcc: field in the current message. | |
1826 | Prompt for the field name with a completion list of the current folders." | |
1827 | (interactive) | |
1828 | (let ((last-input-char ?\C-f) | |
1829 | (folder (mh-prompt-for-folder "Fcc" "" t))) | |
1830 | (expand-abbrev) | |
1831 | (save-excursion | |
1832 | (mh-to-field) | |
1833 | (insert (substring folder 1 nil))))) | |
1834 | ||
1835 | ||
1836 | (defun mh-insert-signature () | |
1837 | "Insert the file ~/.signature at the current point." | |
1838 | (interactive "") | |
1839 | (insert-file-contents mh-signature-file-name) | |
1840 | (set-buffer-modified-p (buffer-modified-p))) ; force mode line update | |
1841 | ||
1842 | ||
1843 | (defun mh-check-whom () | |
1844 | "Verify recipients of the current letter." | |
1845 | (interactive) | |
1846 | (let ((file-name (buffer-file-name))) | |
1847 | (set-buffer-modified-p t) ; Force writing of contents | |
1848 | (save-buffer) | |
1849 | (message "Checking recipients...") | |
1850 | (switch-to-buffer-other-window "*Mail Recipients*") | |
1851 | (bury-buffer (current-buffer)) | |
1852 | (erase-buffer) | |
1853 | (mh-exec-cmd-output "whom" t file-name) | |
1854 | (other-window -1) | |
1855 | (message "Checking recipients...done"))) | |
1856 | ||
1857 | \f | |
1858 | ||
1859 | ;;; Routines to make a search pattern and search for a message. | |
1860 | ||
1861 | (defvar mh-searching-folder nil "Folder this pick is searching.") | |
1862 | ||
1863 | ||
1864 | (defun mh-make-pick-template () | |
1865 | ;; Initialize the current buffer with a template for a pick pattern. | |
1866 | (erase-buffer) | |
1867 | (kill-all-local-variables) | |
1868 | (make-local-variable 'mh-searching-folder) | |
1869 | (insert "From: \n" | |
1870 | "To: \n" | |
1871 | "Cc: \n" | |
1872 | "Date: \n" | |
1873 | "Subject: \n" | |
1874 | "---------\n") | |
1875 | (mh-letter-mode) | |
1876 | (use-local-map mh-pick-mode-map) | |
1877 | (goto-char (point-min)) | |
1878 | (end-of-line)) | |
1879 | ||
1880 | ||
1881 | (defun mh-do-pick-search () | |
1882 | "Find messages that match the qualifications in the current pattern buffer. | |
1883 | Messages are searched for in the folder named in mh-searching-folder. | |
1884 | Put messages found in a sequence named `search'." | |
1885 | (interactive) | |
1886 | (let ((pattern-buffer (buffer-name)) | |
1887 | (searching-buffer mh-searching-folder) | |
1888 | (range) | |
1889 | (pattern nil) | |
1890 | (new-buffer nil)) | |
1891 | (save-excursion | |
1892 | (cond ((get-buffer searching-buffer) | |
1893 | (set-buffer searching-buffer) | |
1894 | (setq range (format "%d-%d" mh-first-msg-num mh-last-msg-num))) | |
1895 | (t | |
1896 | (mh-make-folder searching-buffer) | |
1897 | (setq range "all") | |
1898 | (setq new-buffer t)))) | |
1899 | (message "Searching...") | |
1900 | (goto-char (point-min)) | |
1901 | (while (setq pattern (mh-next-pick-field pattern-buffer)) | |
1902 | (setq msgs (mh-seq-from-command searching-buffer | |
1903 | 'search | |
1904 | (nconc (cons "pick" pattern) | |
1905 | (list searching-buffer | |
1906 | range | |
1907 | "-sequence" "search" | |
1908 | "-list")))) | |
1909 | (setq range "search")) | |
1910 | (message "Searching...done") | |
1911 | (if new-buffer | |
1912 | (mh-scan-folder searching-buffer msgs) | |
1913 | (switch-to-buffer searching-buffer)) | |
1914 | (delete-other-windows) | |
1915 | (mh-notate-seq 'search ?% (1+ mh-cmd-note)))) | |
1916 | ||
1917 | ||
1918 | (defun mh-next-pick-field (buffer) | |
1919 | ;; Return the next piece of a pick argument that can be extracted from the | |
1920 | ;; BUFFER. Returns nil if no pieces remain. | |
1921 | (set-buffer buffer) | |
1922 | (let ((case-fold-search t)) | |
1923 | (cond ((eobp) | |
1924 | nil) | |
1925 | ((re-search-forward "^\\([a-z].*\\):[ \t]*\\([a-z0-9].*\\)$" nil t) | |
1926 | (let* ((component | |
1927 | (format "--%s" | |
1928 | (downcase (buffer-substring (match-beginning 1) | |
1929 | (match-end 1))))) | |
1930 | (pat (buffer-substring (match-beginning 2) (match-end 2)))) | |
1931 | (forward-line 1) | |
1932 | (list component pat))) | |
1933 | ((re-search-forward "^-*$" nil t) | |
1934 | (forward-char 1) | |
1935 | (let ((body (buffer-substring (point) (point-max)))) | |
1936 | (if (and (> (length body) 0) (not (equal body "\n"))) | |
1937 | (list "-search" body) | |
1938 | nil))) | |
1939 | (t | |
1940 | nil)))) | |
1941 | ||
1942 | \f | |
1943 | ||
1944 | ;;; Routines to compose and send a letter. | |
1945 | ||
1946 | (defun mh-compose-and-send-mail (draft send-args | |
1947 | sent-from-folder sent-from-msg | |
1948 | to subject cc | |
1949 | annotate-char annotate-field | |
1950 | config) | |
1951 | ;; Edit and compose a draft message in buffer DRAFT and send or save it. | |
1952 | ;; SENT-FROM-FOLDER is buffer containing scan listing of current folder, or | |
1953 | ;; nil if none exists. | |
1954 | ;; SENT-FROM-MSG is the message number or sequence name or nil. | |
1955 | ;; SEND-ARGS is an optional argument passed to the send command. | |
1956 | ;; The TO, SUBJECT, and CC fields are passed to the | |
1957 | ;; mh-compose-letter-function. | |
1958 | ;; If ANNOTATE-CHAR is non-null, it is used to notate the scan listing of the | |
1959 | ;; message. In that case, the ANNOTATE-FIELD is used to build a string | |
1960 | ;; for mh-annotate-msg. | |
1961 | ;; CONFIG is the window configuration to restore after sending the letter. | |
1962 | (pop-to-buffer draft) | |
1963 | (mh-letter-mode) | |
1964 | (setq mh-sent-from-folder sent-from-folder) | |
1965 | (setq mh-sent-from-msg sent-from-msg) | |
1966 | (setq mh-send-args send-args) | |
1967 | (setq mh-annotate-char annotate-char) | |
1968 | (setq mh-annotate-field annotate-field) | |
1969 | (setq mh-previous-window-config config) | |
1970 | (setq mode-line-buffer-identification (list "{%b}")) | |
1971 | (if (and (boundp 'mh-compose-letter-function) | |
1972 | (symbol-value 'mh-compose-letter-function)) | |
1973 | ;; run-hooks will not pass arguments. | |
1974 | (let ((value (symbol-value 'mh-compose-letter-function))) | |
1975 | (if (and (listp value) (not (eq (car value) 'lambda))) | |
1976 | (while value | |
1977 | (funcall (car value) to subject cc) | |
1978 | (setq value (cdr value))) | |
1979 | (funcall mh-compose-letter-function to subject cc))))) | |
1980 | ||
1981 | ||
1982 | (defun mh-send-letter (&optional arg) | |
1983 | "Send the draft letter in the current buffer. | |
1984 | If optional prefix argument is provided, monitor delivery. | |
1985 | Run mh-before-send-letter-hook before doing anything." | |
1986 | (interactive "P") | |
1987 | (run-hooks 'mh-before-send-letter-hook) | |
1988 | (set-buffer-modified-p t) ; Make sure buffer is written | |
1989 | (save-buffer) | |
1990 | (message "Sending...") | |
1991 | (let ((draft-buffer (current-buffer)) | |
1992 | (file-name (buffer-file-name)) | |
1993 | (config mh-previous-window-config)) | |
1994 | (cond (arg | |
1995 | (pop-to-buffer "MH mail delivery") | |
1996 | (erase-buffer) | |
1997 | (if mh-send-args | |
1998 | (mh-exec-cmd-output "send" t "-watch" "-nopush" | |
1999 | "-nodraftfolder" mh-send-args file-name) | |
2000 | (mh-exec-cmd-output "send" t "-watch" "-nopush" | |
2001 | "-nodraftfolder" file-name)) | |
2002 | (goto-char (point-max)) | |
2003 | (recenter -1) | |
2004 | (set-buffer draft-buffer)) ; for annotation below | |
2005 | (mh-send-args | |
2006 | (mh-exec-cmd-daemon "send" "-nodraftfolder" "-noverbose" | |
2007 | mh-send-args file-name)) | |
2008 | (t | |
2009 | (mh-exec-cmd-daemon "send" "-nodraftfolder" "-noverbose" | |
2010 | file-name))) | |
2011 | ||
2012 | (if mh-annotate-char | |
2013 | (mh-annotate-msg mh-sent-from-msg | |
2014 | mh-sent-from-folder | |
2015 | mh-annotate-char | |
2016 | "-component" mh-annotate-field | |
2017 | "-text" (format "\"%s %s\"" | |
2018 | (mh-get-field "To:") | |
2019 | (mh-get-field "Cc:")))) | |
2020 | ||
2021 | (mh-when (or (not arg) | |
2022 | (y-or-n-p "Kill draft buffer? ")) | |
2023 | (kill-buffer draft-buffer) | |
2024 | (if config | |
2025 | (set-window-configuration config))) | |
2026 | (message "Sending...done"))) | |
2027 | ||
2028 | ||
2029 | (defun mh-insert-letter (prefix-provided folder msg) | |
2030 | "Insert a message from any folder into the current letter. | |
2031 | Removes the message's headers using mh-invisible-headers. | |
2032 | Prefixes each non-blank line with mh-ins-buf-prefix (default \">> \"). | |
2033 | If optional prefix argument provided, do not indent and do not delete | |
2034 | headers. Leaves the mark before the letter and point after it." | |
2035 | (interactive | |
2036 | (list current-prefix-arg | |
2037 | (mh-prompt-for-folder "Message from" mh-sent-from-folder nil) | |
2038 | (read-input (format "Message number%s: " | |
2039 | (if mh-sent-from-msg | |
2040 | (format " [%d]" mh-sent-from-msg) | |
2041 | ""))))) | |
2042 | (save-restriction | |
2043 | (narrow-to-region (point) (point)) | |
2044 | (let ((start (point-min))) | |
2045 | (if (equal msg "") (setq msg (int-to-string mh-sent-from-msg))) | |
2046 | (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear" | |
2047 | (expand-file-name msg | |
2048 | (mh-expand-file-name folder))) | |
2049 | (mh-when (not prefix-provided) | |
2050 | (mh-clean-msg-header start mh-invisible-headers mh-visible-headers) | |
2051 | (set-mark start) ; since mh-clean-msg-header moves it | |
2052 | (mh-insert-prefix-string mh-ins-buf-prefix))))) | |
2053 | ||
2054 | ||
2055 | (defun mh-yank-cur-msg () | |
2056 | "Insert the current message into the draft buffer. | |
2057 | Prefix each non-blank line in the message with the string in | |
2058 | `mh-ins-buf-prefix'. If a region is set in the message's buffer, then | |
2059 | only the region will be inserted. Otherwise, the entire message will | |
2060 | be inserted if `mh-yank-from-start-of-msg' is non-nil. If this variable | |
2061 | is nil, the portion of the message following the point will be yanked. | |
2062 | If `mh-delete-yanked-msg-window' is non-nil, any window displaying the | |
2063 | yanked message will be deleted." | |
2064 | (interactive) | |
2065 | (if (and mh-sent-from-folder mh-sent-from-msg) | |
2066 | (let ((to-point (point)) | |
2067 | (to-buffer (current-buffer))) | |
2068 | (set-buffer mh-sent-from-folder) | |
2069 | (if mh-delete-yanked-msg-window | |
2070 | (delete-windows-on mh-show-buffer)) | |
2071 | (set-buffer mh-show-buffer) ; Find displayed message | |
2072 | (let ((mh-ins-str (cond ((mark) | |
2073 | (buffer-substring (point) (mark))) | |
2074 | ((eq 'body mh-yank-from-start-of-msg) | |
2075 | (buffer-substring | |
2076 | (save-excursion | |
2077 | (goto-char (point-min)) | |
2078 | (mh-goto-header-end 1) | |
2079 | (point)) | |
2080 | (point-max))) | |
2081 | (mh-yank-from-start-of-msg | |
2082 | (buffer-substring (point-min) (point-max))) | |
2083 | (t | |
2084 | (buffer-substring (point) (point-max)))))) | |
2085 | (set-buffer to-buffer) | |
2086 | (narrow-to-region to-point to-point) | |
2087 | (push-mark) | |
2088 | (insert mh-ins-str) | |
2089 | (mh-insert-prefix-string mh-ins-buf-prefix) | |
2090 | (insert "\n") | |
2091 | (widen))) | |
2092 | (error "There is no current message"))) | |
2093 | ||
2094 | ||
2095 | (defun mh-insert-prefix-string (mh-ins-string) | |
2096 | ;; Run MH-YANK-HOOK to insert a prefix string before each line in the buffer. | |
2097 | ;; Generality for supercite users. | |
2098 | (save-excursion | |
2099 | (set-mark (point-max)) | |
2100 | (goto-char (point-min)) | |
2101 | (run-hooks 'mh-yank-hooks))) | |
2102 | ||
2103 | ||
2104 | (defun mh-fully-kill-draft () | |
2105 | "Kill the draft message file and the draft message buffer. | |
2106 | Use \\[kill-buffer] if you don't want to delete the draft message file." | |
2107 | (interactive "") | |
2108 | (if (y-or-n-p "Kill draft message? ") | |
2109 | (let ((config mh-previous-window-config)) | |
2110 | (if (file-exists-p (buffer-file-name)) | |
2111 | (delete-file (buffer-file-name))) | |
2112 | (set-buffer-modified-p nil) | |
2113 | (kill-buffer (buffer-name)) | |
2114 | (message "") | |
2115 | (if config | |
2116 | (set-window-configuration config))) | |
2117 | (error "Message not killed"))) | |
2118 | ||
2119 | ||
2120 | (defun mh-recenter (arg) | |
2121 | ;; Like recenter but with two improvements: nil arg means recenter, | |
2122 | ;; and only does anything if the current buffer is in the selected | |
2123 | ;; window. (Commands like save-some-buffers can make this false.) | |
2124 | (if (eql (get-buffer-window (current-buffer)) | |
2125 | (selected-window)) | |
2126 | (recenter (if arg arg '(t))))) | |
2127 | ||
2128 | \f | |
2129 | ||
2130 | ;;; Commands to manipulate sequences. Sequences are stored in an alist | |
2131 | ;;; of the form: | |
2132 | ;;; ((seq-name msgs ...) (seq-name msgs ...) ...) | |
2133 | ||
2134 | (defun mh-make-seq (name msgs) (cons name msgs)) | |
2135 | ||
2136 | (defmacro mh-seq-name (pair) (list 'car pair)) | |
2137 | ||
2138 | (defmacro mh-seq-msgs (pair) (list 'cdr pair)) | |
2139 | ||
2140 | (defun mh-find-seq (name) (assoc name mh-seq-list)) | |
2141 | ||
2142 | ||
2143 | (defun mh-seq-to-msgs (seq) | |
2144 | "Return a list of the messages in SEQUENCE." | |
2145 | (mh-seq-msgs (mh-find-seq seq))) | |
2146 | ||
2147 | ||
2148 | (defun mh-seq-containing-msg (msg) | |
2149 | ;; Return a list of the sequences containing MESSAGE. | |
2150 | (let ((l mh-seq-list) | |
2151 | (seqs ())) | |
2152 | (while l | |
2153 | (if (memq msg (mh-seq-msgs (car l))) | |
2154 | (mh-push (mh-seq-name (car l)) seqs)) | |
2155 | (setq l (cdr l))) | |
2156 | seqs)) | |
2157 | ||
2158 | ||
2159 | (defun mh-msg-to-seq (msg) | |
2160 | ;; Given a MESSAGE number, return the first sequence in which it occurs. | |
2161 | (car (mh-seq-containing-msg msg))) | |
2162 | ||
2163 | ||
2164 | (defun mh-read-seq-default (prompt not-empty) | |
2165 | ;; Read and return sequence name with default narrowed or previous sequence. | |
2166 | (mh-read-seq prompt not-empty (or mh-narrowed-to-seq mh-previous-seq))) | |
2167 | ||
2168 | ||
2169 | (defun mh-read-seq (prompt not-empty &optional default) | |
2170 | ;; Read and return a sequence name. Prompt with PROMPT, raise an error | |
2171 | ;; if the sequence is empty and the NOT-EMPTY flag is non-nil, and supply | |
2172 | ;; an optional DEFAULT sequence. | |
2173 | ;; A reply of '%' defaults to the first sequence containing the current | |
2174 | ;; message. | |
2175 | (let* ((input (completing-read (format "%s %s %s" prompt "sequence:" | |
2176 | (if default | |
2177 | (format "[%s] " default) | |
2178 | "")) | |
2179 | (mh-seq-names mh-seq-list))) | |
2180 | (seq (cond ((equal input "%") (mh-msg-to-seq (mh-get-msg-num t))) | |
2181 | ((equal input "") default) | |
2182 | (t (intern input)))) | |
2183 | (msgs (mh-seq-to-msgs seq))) | |
2184 | (if (and (null msgs) not-empty) | |
2185 | (error (format "No messages in sequence `%s'" seq))) | |
2186 | seq)) | |
2187 | ||
2188 | ||
2189 | (defun mh-read-folder-sequences (folder define-sequences) | |
2190 | ;; Read and return the predefined sequences for a FOLDER. If | |
2191 | ;; DEFINE-SEQUENCES is non-nil, then define mh-e's sequences before | |
2192 | ;; reading MH's sequences. | |
2193 | (let ((seqs ())) | |
2194 | (mh-when define-sequences | |
2195 | (mh-define-sequences mh-seq-list) | |
2196 | (mh-mapc (function (lambda (seq) ; Save the internal sequences | |
2197 | (if (mh-folder-name-p (mh-seq-name seq)) | |
2198 | (mh-push seq seqs)))) | |
2199 | mh-seq-list)) | |
2200 | (save-excursion | |
2201 | (mh-exec-cmd-quiet " *mh-temp*" "mark" folder "-list") | |
2202 | (goto-char (point-min)) | |
2203 | (while (re-search-forward "^[^:]+" nil t) | |
2204 | (mh-push (mh-make-seq (intern (buffer-substring (match-beginning 0) | |
2205 | (match-end 0))) | |
2206 | (mh-read-msg-list)) | |
2207 | seqs)) | |
2208 | (delete-region (point-min) (point))) ; avoid race with mh-process-daemon | |
2209 | seqs)) | |
2210 | ||
2211 | ||
2212 | (defun mh-seq-names (seq-list) | |
2213 | ;; Return an alist containing the names of the SEQUENCES. | |
2214 | (mapcar (function (lambda (entry) (list (symbol-name (mh-seq-name entry))))) | |
2215 | seq-list)) | |
2216 | ||
2217 | ||
2218 | (defun mh-seq-from-command (folder seq seq-command) | |
2219 | ;; In FOLDER, make a sequence named SEQ by executing COMMAND. | |
2220 | ;; COMMAND is a list. The first element is a program name | |
2221 | ;; and the subsequent elements are its arguments, all strings. | |
2222 | (let ((msg) | |
2223 | (msgs ()) | |
2224 | (case-fold-search t)) | |
2225 | (save-excursion | |
2226 | (save-window-excursion | |
2227 | (apply 'mh-exec-cmd-quiet " *mh-temp*" seq-command) | |
2228 | (goto-char (point-min)) | |
2229 | (while (setq msg (car (mh-read-msg-list))) | |
2230 | (mh-push msg msgs) | |
2231 | (forward-line 1))) | |
2232 | (set-buffer folder) | |
2233 | (setq msgs (nreverse msgs)) ; Put in ascending order | |
2234 | (mh-push (mh-make-seq seq msgs) mh-seq-list) | |
2235 | msgs))) | |
2236 | ||
2237 | ||
2238 | (defun mh-read-msg-list () | |
2239 | ;; Return a list of message numbers from the current point to the end of | |
2240 | ;; the line. | |
2241 | (let ((msgs ()) | |
2242 | (end-of-line (save-excursion (end-of-line) (point))) | |
2243 | num) | |
2244 | (while (re-search-forward "[0-9]+" end-of-line t) | |
2245 | (setq num (string-to-int (buffer-substring (match-beginning 0) | |
2246 | (match-end 0)))) | |
2247 | (cond ((looking-at "-") ; Message range | |
2248 | (forward-char 1) | |
2249 | (re-search-forward "[0-9]+" end-of-line t) | |
2250 | (let ((num2 (string-to-int (buffer-substring (match-beginning 0) | |
2251 | (match-end 0))))) | |
2252 | (if (< num2 num) | |
2253 | (error "Bad message range: %d-%d" num num2)) | |
2254 | (while (<= num num2) | |
2255 | (mh-push num msgs) | |
2256 | (setq num (1+ num))))) | |
2257 | ((not (zerop num)) (mh-push num msgs)))) | |
2258 | msgs)) | |
2259 | ||
2260 | ||
2261 | (defun mh-remove-seq (seq) | |
2262 | ;; Delete the SEQUENCE. | |
2263 | (mh-map-to-seq-msgs 'mh-notate-if-in-one-seq seq ? (1+ mh-cmd-note) seq) | |
2264 | (mh-undefine-sequence seq (list "all")) | |
2265 | (mh-delete-seq-locally seq)) | |
2266 | ||
2267 | ||
2268 | (defun mh-delete-seq-locally (seq) | |
2269 | ;; Remove mh-e's record of SEQUENCE. | |
2270 | (let ((entry (mh-find-seq seq))) | |
2271 | (setq mh-seq-list (delq entry mh-seq-list)))) | |
2272 | ||
2273 | ||
2274 | (defun mh-remove-msg-from-seq (msg seq &optional internal-flag) | |
2275 | ;; Remove MESSAGE from the SEQUENCE. If optional FLAG is non-nil, do not | |
2276 | ;; inform MH of the change. | |
2277 | (let ((entry (mh-find-seq seq))) | |
2278 | (mh-when entry | |
2279 | (mh-notate-if-in-one-seq msg ? (1+ mh-cmd-note) (mh-seq-name entry)) | |
2280 | (if (not internal-flag) | |
2281 | (mh-undefine-sequence seq (list msg))) | |
2282 | (setcdr entry (delq msg (mh-seq-msgs entry)))))) | |
2283 | ||
2284 | ||
2285 | (defun mh-add-msgs-to-seq (msgs seq &optional internal-flag) | |
2286 | ;; Add MESSAGE(s) to the SEQUENCE. If optional FLAG is non-nil, do not mark | |
2287 | ;; the message in the scan listing or inform MH of the addition. | |
2288 | (let ((entry (mh-find-seq seq))) | |
2289 | (if (and msgs (atom msgs)) (setq msgs (list msgs))) | |
2290 | (if (null entry) | |
2291 | (mh-push (mh-make-seq seq msgs) mh-seq-list) | |
2292 | (if msgs (setcdr entry (append msgs (cdr entry))))) | |
2293 | (mh-when (not internal-flag) | |
2294 | (mh-add-to-sequence seq msgs) | |
2295 | (mh-notate-seq seq ?% (1+ mh-cmd-note))))) | |
2296 | ||
2297 | ||
2298 | (defun mh-rename-seq (seq new-name) | |
2299 | "Rename a SEQUENCE to have a new NAME." | |
2300 | (interactive "SOld sequence name: \nSNew name: ") | |
2301 | (let ((old-seq (mh-find-seq seq))) | |
2302 | (if old-seq | |
2303 | (rplaca old-seq new-name) | |
2304 | (error "Sequence %s does not exists" seq)) | |
2305 | (mh-undefine-sequence seq (mh-seq-msgs old-seq)) | |
2306 | (mh-define-sequence new-name (mh-seq-msgs old-seq)))) | |
2307 | ||
2308 | ||
2309 | (defun mh-notate-user-sequences () | |
2310 | ;; Mark the scan listing of all messages in user-defined sequences. | |
2311 | (let ((seqs mh-seq-list) | |
2312 | name) | |
2313 | (while seqs | |
2314 | (setq name (mh-seq-name (car seqs))) | |
2315 | (if (not (mh-internal-seq name)) | |
2316 | (mh-notate-seq name ?% (1+ mh-cmd-note))) | |
2317 | (setq seqs (cdr seqs))))) | |
2318 | ||
2319 | ||
2320 | (defun mh-internal-seq (name) | |
2321 | ;; Return non-NIL if NAME is the name of an internal mh-e sequence. | |
2322 | (or (memq name '(answered cur deleted forwarded printed)) | |
2323 | (eq name mh-unseen-seq) | |
2324 | (mh-folder-name-p name))) | |
2325 | ||
2326 | ||
2327 | (defun mh-folder-name-p (name) | |
2328 | ;; Return non-NIL if NAME is possibly the name of a folder. | |
2329 | ;; A name can be a folder name if it begins with "+". | |
2330 | (if (symbolp name) | |
2331 | (eql (aref (symbol-name name) 0) ?+) | |
2332 | (eql (aref name 0) ?+))) | |
2333 | ||
2334 | ||
2335 | (defun mh-notate-seq (seq notation offset) | |
2336 | ;; Mark the scan listing of all messages in the SEQUENCE with the CHARACTER | |
2337 | ;; at the given OFFSET from the beginning of the listing line. | |
2338 | (mh-map-to-seq-msgs 'mh-notate seq notation offset)) | |
2339 | ||
2340 | ||
2341 | (defun mh-notate-if-in-one-seq (msg notation offset seq) | |
2342 | ;; If the MESSAGE is in only the SEQUENCE, then mark the scan listing of the | |
2343 | ;; message with the CHARACTER at the given OFFSET from the beginning of the | |
2344 | ;; listing line. | |
2345 | (let ((in-seqs (mh-seq-containing-msg msg))) | |
2346 | (if (and (eq seq (car in-seqs)) (null (cdr in-seqs))) | |
2347 | (mh-notate msg notation offset)))) | |
2348 | ||
2349 | ||
2350 | (defun mh-map-to-seq-msgs (func seq &rest args) | |
2351 | ;; Invoke the FUNCTION at each message in the SEQUENCE, passing the | |
2352 | ;; remaining ARGS as arguments. | |
2353 | (save-excursion | |
2354 | (let ((msgs (mh-seq-to-msgs seq))) | |
2355 | (while msgs | |
2356 | (if (mh-goto-msg (car msgs) t t) | |
2357 | (apply func (car msgs) args)) | |
2358 | (setq msgs (cdr msgs)))))) | |
2359 | ||
2360 | ||
2361 | (defun mh-map-over-seqs (func seq-list) | |
2362 | ;; Apply the FUNCTION to each element in the list of SEQUENCES, | |
2363 | ;; passing the sequence name and the list of messages as arguments. | |
2364 | (while seq-list | |
2365 | (funcall func (mh-seq-name (car seq-list)) (mh-seq-msgs (car seq-list))) | |
2366 | (setq seq-list (cdr seq-list)))) | |
2367 | ||
2368 | ||
2369 | (defun mh-define-sequences (seq-list) | |
2370 | ;; Define the sequences in SEQ-LIST. | |
2371 | (mh-map-over-seqs 'mh-define-sequence seq-list)) | |
2372 | ||
2373 | ||
2374 | (defun mh-add-to-sequence (seq msgs) | |
2375 | ;; Add to a SEQUENCE each message the list of MSGS. | |
2376 | (if (not (mh-folder-name-p seq)) | |
2377 | (if msgs | |
2378 | (apply 'mh-exec-cmd "mark" mh-current-folder | |
2379 | "-sequence" (symbol-name seq) | |
2380 | "-add" msgs)))) | |
2381 | ||
2382 | ||
2383 | (defun mh-define-sequence (seq msgs) | |
2384 | ;; Define the SEQUENCE to contain the list of MSGS. Do not mark | |
2385 | ;; pseudo-sequences or empty sequences. | |
2386 | (if (and msgs | |
2387 | (not (mh-folder-name-p seq))) | |
2388 | (save-excursion | |
2389 | (apply 'mh-exec-cmd "mark" mh-current-folder | |
2390 | "-sequence" (symbol-name seq) | |
2391 | "-add" "-zero" (mh-list-to-string msgs))))) | |
2392 | ||
2393 | ||
2394 | (defun mh-undefine-sequence (seq msgs) | |
2395 | ;; Remove from the SEQUENCE the list of MSGS. | |
2396 | (apply 'mh-exec-cmd "mark" mh-current-folder | |
2397 | "-sequence" (symbol-name seq) | |
2398 | "-delete" msgs)) | |
2399 | ||
2400 | ||
2401 | (defun mh-copy-seq-to-point (seq location) | |
2402 | ;; Copy the scan listing of the messages in SEQUENCE to after the point | |
2403 | ;; LOCATION in the current buffer. | |
2404 | (mh-map-to-seq-msgs 'mh-copy-line-to-point seq location)) | |
2405 | ||
2406 | ||
2407 | (defun mh-copy-line-to-point (msg location) | |
2408 | ;; Copy the current line to the LOCATION in the current buffer. | |
2409 | (beginning-of-line) | |
2410 | (let ((beginning-of-line (point))) | |
2411 | (forward-line 1) | |
2412 | (copy-region-as-kill beginning-of-line (point)) | |
2413 | (goto-char location) | |
2414 | (yank) | |
2415 | (goto-char beginning-of-line))) | |
2416 | ||
2417 | \f | |
2418 | ||
2419 | ;;; Issue commands to MH. | |
2420 | ||
2421 | (defun mh-exec-cmd (command &rest args) | |
2422 | ;; Execute MH command COMMAND with ARGS. | |
2423 | ;; Any output is assumed to be an error and is shown to the user. | |
2424 | (save-excursion | |
2425 | (set-buffer " *mh-temp*") | |
2426 | (erase-buffer) | |
2427 | (apply 'call-process | |
2428 | (expand-file-name command mh-progs) nil t nil | |
2429 | (mh-list-to-string args)) | |
2430 | (if (> (buffer-size) 0) | |
2431 | (save-window-excursion | |
2432 | (switch-to-buffer-other-window " *mh-temp*") | |
2433 | (sit-for 5))))) | |
2434 | ||
2435 | ||
2436 | (defun mh-exec-cmd-quiet (buffer command &rest args) | |
2437 | ;; In BUFFER, execute MH command COMMAND with ARGS. | |
2438 | ;; ARGS is a list of strings. Return in BUFFER, if one exists. | |
2439 | (mh-when (stringp buffer) | |
2440 | (set-buffer buffer) | |
2441 | (erase-buffer)) | |
2442 | (apply 'call-process | |
2443 | (expand-file-name command mh-progs) nil buffer nil | |
2444 | args)) | |
2445 | ||
2446 | ||
2447 | (defun mh-exec-cmd-output (command display &rest args) | |
2448 | ;; Execute MH command COMMAND with DISPLAY flag and ARGS putting the output | |
2449 | ;; into buffer after point. Set mark after inserted text. | |
2450 | (push-mark (point) t) | |
2451 | (apply 'call-process | |
2452 | (expand-file-name command mh-progs) nil t display | |
2453 | (mh-list-to-string args)) | |
2454 | (exchange-point-and-mark)) | |
2455 | ||
2456 | ||
2457 | (defun mh-exec-cmd-daemon (command &rest args) | |
2458 | ;; Execute MH command COMMAND with ARGS. Any output from command is | |
2459 | ;; displayed in an asynchronous pop-up window. | |
2460 | (save-excursion | |
2461 | (set-buffer (get-buffer-create " *mh-temp*")) | |
2462 | (erase-buffer)) | |
2463 | (let ((process (apply 'start-process | |
2464 | command nil | |
2465 | (expand-file-name command mh-progs) | |
2466 | (mh-list-to-string args)))) | |
2467 | (set-process-filter process 'mh-process-daemon))) | |
2468 | ||
2469 | ||
2470 | (defun mh-process-daemon (process output) | |
2471 | ;; Process daemon that puts output into a temporary buffer. | |
2472 | (set-buffer (get-buffer-create " *mh-temp*")) | |
2473 | (insert-before-markers output) | |
2474 | (display-buffer " *mh-temp*")) | |
2475 | ||
2476 | ||
2477 | (defun mh-exec-lib-cmd-output (command &rest args) | |
2478 | ;; Execute MH library command COMMAND with ARGS. | |
2479 | ;; Put the output into buffer after point. Set mark after inserted text. | |
2480 | (push-mark (point) t) | |
2481 | (apply 'call-process | |
2482 | (expand-file-name command mh-lib) nil t nil | |
2483 | (mh-list-to-string args)) | |
2484 | (exchange-point-and-mark)) | |
2485 | ||
2486 | ||
2487 | (defun mh-list-to-string (l) | |
2488 | ;; Flattens the list L and makes every element of the new list into a string. | |
2489 | (let ((new-list nil)) | |
2490 | (while l | |
2491 | (cond ((null (car l))) | |
2492 | ((symbolp (car l)) (mh-push (symbol-name (car l)) new-list)) | |
2493 | ((numberp (car l)) (mh-push (int-to-string (car l)) new-list)) | |
2494 | ((equal (car l) "")) | |
2495 | ((stringp (car l)) (mh-push (car l) new-list)) | |
2496 | ((listp (car l)) | |
2497 | (setq new-list (nconc (nreverse (mh-list-to-string (car l))) | |
2498 | new-list))) | |
2499 | (t (error "Bad element in mh-list-to-string: %s" (car l)))) | |
2500 | (setq l (cdr l))) | |
2501 | (nreverse new-list))) | |
2502 | ||
2503 | \f | |
2504 | ||
2505 | ;;; Commands to annotate a message. | |
2506 | ||
2507 | (defun mh-annotate-msg (msg buffer note &rest args) | |
2508 | ;; Mark the MESSAGE in BUFFER listing with the character NOTE and annotate | |
2509 | ;; the saved message with ARGS. | |
2510 | (apply 'mh-exec-cmd "anno" buffer msg args) | |
2511 | (save-excursion | |
2512 | (cond ((get-buffer buffer) ; Buffer may be deleted | |
2513 | (set-buffer buffer) | |
2514 | (if (symbolp msg) | |
2515 | (mh-notate-seq msg note (1+ mh-cmd-note)) | |
2516 | (mh-notate msg note (1+ mh-cmd-note))))))) | |
2517 | ||
2518 | ||
2519 | (defun mh-notate (msg notation offset) | |
2520 | ;; Marks MESSAGE with the character NOTATION at position OFFSET. | |
2521 | ;; Null MESSAGE means the message that the cursor points to. | |
2522 | (save-excursion | |
2523 | (if (or (null msg) | |
2524 | (mh-goto-msg msg t t)) | |
2525 | (with-mh-folder-updating (t) | |
2526 | (beginning-of-line) | |
2527 | (forward-char offset) | |
2528 | (delete-char 1) | |
2529 | (insert notation))))) | |
2530 | ||
2531 | \f | |
2532 | ||
2533 | ;;; User prompting commands. | |
2534 | ||
2535 | (defun mh-prompt-for-folder (prompt default can-create) | |
2536 | ;; Prompt for a folder name with PROMPT. Returns the folder's name. | |
2537 | ;; DEFAULT is used if the folder exists and the user types return. | |
2538 | ;; If the CAN-CREATE flag is t, then a non-existant folder is made. | |
2539 | (let* ((prompt (format "%s folder%s" prompt | |
2540 | (if (equal "" default) | |
2541 | "? " | |
2542 | (format " [%s]? " default)))) | |
2543 | name) | |
2544 | (if (null mh-folder-list) | |
2545 | (setq mh-folder-list (mh-make-folder-list))) | |
2546 | (while (and (setq name (completing-read prompt mh-folder-list | |
2547 | nil nil "+")) | |
2548 | (equal name "") | |
2549 | (equal default ""))) | |
2550 | (cond ((or (equal name "") (equal name "+")) | |
2551 | (setq name default)) | |
2552 | ((not (mh-folder-name-p name)) | |
2553 | (setq name (format "+%s" name)))) | |
2554 | (let ((new-file-p (not (file-exists-p (mh-expand-file-name name))))) | |
2555 | (cond ((and new-file-p | |
2556 | (y-or-n-p | |
2557 | (format "Folder %s does not exist. Create it? " name))) | |
2558 | (message "Creating %s" name) | |
2559 | (call-process "mkdir" nil nil nil (mh-expand-file-name name)) | |
2560 | (message "Creating %s...done" name) | |
2561 | (mh-push (list name) mh-folder-list) | |
2562 | (mh-push (list (substring name 1 nil)) mh-folder-list)) | |
2563 | (new-file-p | |
2564 | (error "Folder %s is not created" name)) | |
2565 | (t | |
2566 | (mh-when (null (assoc name mh-folder-list)) | |
2567 | (mh-push (list name) mh-folder-list) | |
2568 | (mh-push (list (substring name 1 nil)) mh-folder-list))))) | |
2569 | name)) | |
2570 | ||
2571 | ||
2572 | (defun mh-make-folder-list () | |
2573 | "Return a list of the user's folders. | |
2574 | Result is in a form suitable for completing read." | |
2575 | (interactive) | |
2576 | (message "Collecting folder names...") | |
2577 | (save-window-excursion | |
2578 | (mh-exec-cmd-quiet " *mh-temp*" "folders" "-fast" | |
2579 | (if mh-recursive-folders | |
2580 | "-recurse" | |
2581 | "-norecurse")) | |
2582 | (goto-char (point-min)) | |
2583 | (let ((list nil) | |
2584 | start) | |
2585 | (while (not (eobp)) | |
2586 | (setq start (point)) | |
2587 | (forward-line 1) | |
2588 | (mh-push (list (format "+%s" (buffer-substring start (1- (point))))) | |
2589 | list)) | |
2590 | (message "Collecting folder names...done") | |
2591 | list))) | |
2592 | ||
2593 | ||
2594 | (defun mh-remove-folder-from-folder-list (folder) | |
2595 | ;; Remove FOLDER from the list of folders. | |
2596 | (setq mh-folder-list | |
2597 | (delq (assoc folder mh-folder-list) mh-folder-list))) | |
2598 | ||
2599 | ||
2600 | (defun mh-read-msg-range (prompt) | |
2601 | ;; Read a list of blank-separated items. | |
2602 | (let* ((buf (read-string prompt)) | |
2603 | (buf-size (length buf)) | |
2604 | (start 0) | |
2605 | (input ())) | |
2606 | (while (< start buf-size) | |
2607 | (let ((next (read-from-string buf start buf-size))) | |
2608 | (mh-push (car next) input) | |
2609 | (setq start (cdr next)))) | |
2610 | (nreverse input))) | |
2611 | ||
2612 | \f | |
2613 | ||
2614 | ;;; Misc. functions. | |
2615 | ||
2616 | (defun mh-get-msg-num (error-if-no-message) | |
2617 | ;; Return the message number of the displayed message. If the argument | |
2618 | ;; ERROR-IF-NO-MESSAGE is non-nil, then complain if the cursor is not | |
2619 | ;; pointing to a message. | |
2620 | (save-excursion | |
2621 | (beginning-of-line) | |
2622 | (cond ((looking-at mh-msg-number-regexp) | |
2623 | (string-to-int (buffer-substring (match-beginning 1) | |
2624 | (match-end 1)))) | |
2625 | (error-if-no-message | |
2626 | (error "Cursor not pointing to message")) | |
2627 | (t nil)))) | |
2628 | ||
2629 | ||
2630 | (defun mh-msg-search-pat (n) | |
2631 | ;; Return a search pattern for message N in the scan listing. | |
2632 | (format mh-msg-search-regexp n)) | |
2633 | ||
2634 | ||
2635 | (defun mh-msg-filename (msg &optional folder) | |
2636 | ;; Return the file name of MESSAGE in FOLDER (default current folder). | |
2637 | (expand-file-name (int-to-string msg) | |
2638 | (if folder | |
2639 | (mh-expand-file-name folder) | |
2640 | mh-folder-filename))) | |
2641 | ||
2642 | ||
2643 | (defun mh-msg-filenames (msgs &optional folder) | |
2644 | ;; Return a list of file names for MSGS in FOLDER (default current folder). | |
2645 | (mapconcat (function (lambda (msg) (mh-msg-filename msg folder))) msgs " ")) | |
2646 | ||
2647 | ||
2648 | (defun mh-expand-file-name (filename &optional default) | |
2649 | "Just like `expand-file-name', but also handles MH folder names. | |
2650 | Assumes that any filename that starts with '+' is a folder name." | |
2651 | (if (mh-folder-name-p filename) | |
2652 | (expand-file-name (substring filename 1) mh-user-path) | |
2653 | (expand-file-name filename default))) | |
2654 | ||
2655 | ||
2656 | (defun mh-find-path () | |
2657 | ;; Set mh-user-path, mh-draft-folder, and mh-unseen-seq from profile file. | |
2658 | (save-excursion | |
2659 | ;; Be sure profile is fully expanded before switching buffers | |
2660 | (let ((profile (expand-file-name (or (getenv "MH") "~/.mh_profile")))) | |
2661 | (if (not (file-exists-p profile)) | |
2662 | (error "Cannot find MH profile %s" profile)) | |
2663 | (set-buffer (get-buffer-create " *mh-temp*")) | |
2664 | (erase-buffer) | |
2665 | (insert-file-contents profile) | |
2666 | (setq mh-draft-folder (mh-get-field "Draft-Folder:")) | |
2667 | (cond ((equal mh-draft-folder "") | |
2668 | (setq mh-draft-folder nil)) | |
2669 | ((not (mh-folder-name-p mh-draft-folder)) | |
2670 | (setq mh-draft-folder (format "+%s" mh-draft-folder)))) | |
2671 | (setq mh-user-path (mh-get-field "Path:")) | |
2672 | (if (equal mh-user-path "") | |
2673 | (setq mh-user-path "Mail")) | |
2674 | (setq mh-user-path | |
2675 | (file-name-as-directory | |
2676 | (expand-file-name mh-user-path (expand-file-name "~")))) | |
2677 | (if (and mh-draft-folder | |
2678 | (not (file-exists-p (mh-expand-file-name mh-draft-folder)))) | |
2679 | (error "Draft folder %s does not exist. Create it and try again." | |
2680 | mh-draft-folder)) | |
2681 | (setq mh-unseen-seq (mh-get-field "Unseen-Sequence:")) | |
2682 | (if (equal mh-unseen-seq "") | |
2683 | (setq mh-unseen-seq 'unseen) | |
2684 | (setq mh-unseen-seq (intern mh-unseen-seq)))))) | |
2685 | ||
2686 | ||
2687 | (defun mh-get-field (field) | |
2688 | ;; Find and return the value of field FIELD in the current buffer. | |
2689 | ;; Returns the empty string if the field is not in the message. | |
2690 | (let ((case-fold-search t)) | |
2691 | (goto-char (point-min)) | |
2692 | (cond ((not (search-forward field nil t)) "") | |
2693 | ((looking-at "[\t ]*$") "") | |
2694 | (t | |
2695 | (re-search-forward "[\t ]*\\([^\t \n].*\\)$" nil t) | |
2696 | (let ((field (buffer-substring (match-beginning 1) | |
2697 | (match-end 1))) | |
2698 | (end-of-match (point))) | |
2699 | (forward-line) | |
2700 | (while (looking-at "[ \t]") (forward-line 1)) | |
2701 | (backward-char 1) | |
2702 | (if (<= (point) end-of-match) | |
2703 | field | |
2704 | (format "%s%s" | |
2705 | field | |
2706 | (buffer-substring end-of-match (point))))))))) | |
2707 | ||
2708 | ||
2709 | (defun mh-insert-fields (&rest name-values) | |
2710 | ;; Insert the NAME-VALUE pairs in the current buffer. | |
2711 | ;; Do not insert any pairs whose value is the empty string. | |
2712 | (let ((case-fold-search t)) | |
2713 | (while name-values | |
2714 | (let ((field-name (car name-values)) | |
2715 | (value (car (cdr name-values)))) | |
2716 | (mh-when (not (equal value "")) | |
2717 | (goto-char (point-min)) | |
2718 | (cond ((not (re-search-forward (format "^%s" field-name) nil t)) | |
2719 | (mh-goto-header-end 0) | |
2720 | (insert field-name " " value "\n")) | |
2721 | (t | |
2722 | (end-of-line) | |
2723 | (insert " " value)))) | |
2724 | (setq name-values (cdr (cdr name-values))))))) | |
2725 | ||
2726 | ||
2727 | (defun mh-position-on-field (field set-mark) | |
2728 | ;; Set point to the end of the line beginning with FIELD. | |
2729 | ;; Set the mark to the old value of point, if SET-MARK is non-nil. | |
2730 | (let ((case-fold-search t)) | |
2731 | (if set-mark (push-mark)) | |
2732 | (goto-char (point-min)) | |
2733 | (mh-goto-header-end 0) | |
2734 | (if (re-search-backward (format "^%s" field) nil t) | |
2735 | (progn (end-of-line) t) | |
2736 | nil))) | |
2737 | ||
2738 | ||
2739 | (defun mh-goto-header-end (arg) | |
2740 | ;; Find the end of the message header in the current buffer and position | |
2741 | ;; the cursor at the ARG'th newline after the header. | |
2742 | (if (re-search-forward "^$\\|^-+$" nil nil) | |
2743 | (forward-line arg))) | |
2744 | ||
2745 | \f | |
2746 | ||
2747 | ;;; Build the folder-mode keymap: | |
2748 | ||
2749 | (suppress-keymap mh-folder-mode-map) | |
2750 | (define-key mh-folder-mode-map "q" 'mh-quit) | |
2751 | (define-key mh-folder-mode-map "b" 'mh-quit) | |
2752 | (define-key mh-folder-mode-map "?" 'mh-msg-is-in-seq) | |
2753 | (define-key mh-folder-mode-map "%" 'mh-put-msg-in-seq) | |
2754 | (define-key mh-folder-mode-map "|" 'mh-pipe-msg) | |
2755 | (define-key mh-folder-mode-map "\ea" 'mh-edit-again) | |
2756 | (define-key mh-folder-mode-map "\e%" 'mh-delete-msg-from-seq) | |
2757 | (define-key mh-folder-mode-map "\C-xn" 'mh-narrow-to-seq) | |
2758 | (define-key mh-folder-mode-map "\C-xw" 'mh-widen) | |
2759 | (define-key mh-folder-mode-map "\eb" 'mh-burst-digest) | |
2760 | (define-key mh-folder-mode-map "\eu" 'mh-undo-folder) | |
2761 | (define-key mh-folder-mode-map "\e " 'mh-page-digest) | |
2762 | (define-key mh-folder-mode-map "\e\177" 'mh-page-digest-backwards) | |
2763 | (define-key mh-folder-mode-map "\ee" 'mh-extract-rejected-mail) | |
2764 | (define-key mh-folder-mode-map "\ef" 'mh-visit-folder) | |
2765 | (define-key mh-folder-mode-map "\ek" 'mh-kill-folder) | |
2766 | (define-key mh-folder-mode-map "\el" 'mh-list-folders) | |
2767 | (define-key mh-folder-mode-map "\eo" 'mh-write-msg-to-file) | |
2768 | (define-key mh-folder-mode-map "\ep" 'mh-pack-folder) | |
2769 | (define-key mh-folder-mode-map "\es" 'mh-search-folder) | |
2770 | (define-key mh-folder-mode-map "\er" 'mh-rescan-folder) | |
2771 | (define-key mh-folder-mode-map "l" 'mh-print-msg) | |
2772 | (define-key mh-folder-mode-map "t" 'mh-toggle-showing) | |
2773 | (define-key mh-folder-mode-map "c" 'mh-copy-msg) | |
2774 | (define-key mh-folder-mode-map ">" 'mh-write-msg-to-file) | |
2775 | (define-key mh-folder-mode-map "i" 'mh-inc-folder) | |
2776 | (define-key mh-folder-mode-map "x" 'mh-execute-commands) | |
2777 | (define-key mh-folder-mode-map "e" 'mh-execute-commands) | |
2778 | (define-key mh-folder-mode-map "r" 'mh-redistribute) | |
2779 | (define-key mh-folder-mode-map "f" 'mh-forward) | |
2780 | (define-key mh-folder-mode-map "s" 'mh-send) | |
2781 | (define-key mh-folder-mode-map "m" 'mh-send) | |
2782 | (define-key mh-folder-mode-map "a" 'mh-reply) | |
2783 | (define-key mh-folder-mode-map "j" 'mh-goto-msg) | |
2784 | (define-key mh-folder-mode-map "g" 'mh-goto-msg) | |
2785 | (define-key mh-folder-mode-map "\177" 'mh-previous-page) | |
2786 | (define-key mh-folder-mode-map " " 'mh-page-msg) | |
2787 | (define-key mh-folder-mode-map "." 'mh-show) | |
2788 | (define-key mh-folder-mode-map "u" 'mh-undo) | |
2789 | (define-key mh-folder-mode-map "!" 'mh-refile-or-write-again) | |
2790 | (define-key mh-folder-mode-map "^" 'mh-refile-msg) | |
2791 | (define-key mh-folder-mode-map "d" 'mh-delete-msg) | |
2792 | (define-key mh-folder-mode-map "\C-d" 'mh-delete-msg-no-motion) | |
2793 | (define-key mh-folder-mode-map "p" 'mh-previous-undeleted-msg) | |
2794 | (define-key mh-folder-mode-map "n" 'mh-next-undeleted-msg) | |
2795 | (define-key mh-folder-mode-map "o" 'mh-refile-msg) | |
2796 | ||
2797 | ||
2798 | ;;; Build the letter-mode keymap: | |
2799 | ||
2800 | (define-key mh-letter-mode-map "\C-c\C-f\C-b" 'mh-to-field) | |
2801 | (define-key mh-letter-mode-map "\C-c\C-f\C-c" 'mh-to-field) | |
2802 | (define-key mh-letter-mode-map "\C-c\C-f\C-f" 'mh-to-fcc) | |
2803 | (define-key mh-letter-mode-map "\C-c\C-f\C-s" 'mh-to-field) | |
2804 | (define-key mh-letter-mode-map "\C-c\C-f\C-t" 'mh-to-field) | |
2805 | (define-key mh-letter-mode-map "\C-c\C-fb" 'mh-to-field) | |
2806 | (define-key mh-letter-mode-map "\C-c\C-fc" 'mh-to-field) | |
2807 | (define-key mh-letter-mode-map "\C-c\C-ff" 'mh-to-fcc) | |
2808 | (define-key mh-letter-mode-map "\C-c\C-fs" 'mh-to-field) | |
2809 | (define-key mh-letter-mode-map "\C-c\C-ft" 'mh-to-field) | |
2810 | (define-key mh-letter-mode-map "\C-c\C-q" 'mh-fully-kill-draft) | |
2811 | (define-key mh-letter-mode-map "\C-c\C-w" 'mh-check-whom) | |
2812 | (define-key mh-letter-mode-map "\C-c\C-i" 'mh-insert-letter) | |
2813 | (define-key mh-letter-mode-map "\C-c\C-y" 'mh-yank-cur-msg) | |
2814 | (define-key mh-letter-mode-map "\C-c\C-s" 'mh-insert-signature) | |
2815 | (define-key mh-letter-mode-map "\C-c\C-c" 'mh-send-letter) | |
2816 | ||
2817 | ||
2818 | ;;; Build the pick-mode keymap: | |
2819 | ||
2820 | (define-key mh-pick-mode-map "\C-c\C-c" 'mh-do-pick-search) | |
2821 | (define-key mh-pick-mode-map "\C-c\C-f\C-b" 'mh-to-field) | |
2822 | (define-key mh-pick-mode-map "\C-c\C-f\C-c" 'mh-to-field) | |
2823 | (define-key mh-pick-mode-map "\C-c\C-f\C-f" 'mh-to-field) | |
2824 | (define-key mh-pick-mode-map "\C-c\C-f\C-s" 'mh-to-field) | |
2825 | (define-key mh-pick-mode-map "\C-c\C-f\C-t" 'mh-to-field) | |
2826 | (define-key mh-pick-mode-map "\C-c\C-fb" 'mh-to-field) | |
2827 | (define-key mh-pick-mode-map "\C-c\C-fc" 'mh-to-field) | |
2828 | (define-key mh-pick-mode-map "\C-c\C-ff" 'mh-to-field) | |
2829 | (define-key mh-pick-mode-map "\C-c\C-fs" 'mh-to-field) | |
2830 | (define-key mh-pick-mode-map "\C-c\C-ft" 'mh-to-field) | |
2831 | (define-key mh-pick-mode-map "\C-c\C-w" 'mh-check-whom) | |
2832 | ||
2833 | \f | |
2834 | ||
2835 | ;;; For Gnu Emacs. | |
2836 | ;;; Local Variables: *** | |
2837 | ;;; eval: (put 'mh-when 'lisp-indent-function 1) *** | |
2838 | ;;; eval: (put 'with-mh-folder-updating 'lisp-indent-function 1) *** | |
2839 | ;;; End: *** | |
2840 | ||
2841 | (provide 'mh-e) | |
2842 | ||
2843 | ;;; mh-e.el ends here |