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1 | ;;; mh-comp --- mh-e functions for composing messages |
2 | ;; Time-stamp: <94/03/08 10:05:20 gildea> | |
3 | ||
4 | ;; Copyright 1993 Free Software Foundation, Inc. | |
5 | ||
6 | ;; This file is part of mh-e. | |
7 | ||
8 | ;; mh-e is free software; you can redistribute it and/or modify | |
9 | ;; it under the terms of the GNU General Public License as published by | |
10 | ;; the Free Software Foundation; either version 2, or (at your option) | |
11 | ;; any later version. | |
12 | ||
13 | ;; mh-e is distributed in the hope that it will be useful, | |
14 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | ;; GNU General Public License for more details. | |
17 | ||
18 | ;; You should have received a copy of the GNU General Public License | |
19 | ;; along with mh-e; see the file COPYING. If not, write to | |
20 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | ||
22 | ;;; Commentary: | |
23 | ||
24 | ;; Internal support for mh-e package. | |
25 | ||
26 | ;;; Code: | |
27 | ||
28 | (provide 'mh-comp) | |
29 | (require 'mh-utils) | |
30 | ||
31 | (defvar mh-note-repl "-" | |
32 | "String whose first character is used to notate replied to messages.") | |
33 | ||
34 | (defvar mh-note-forw "F" | |
35 | "String whose first character is used to notate forwarded messages.") | |
36 | ||
37 | (defvar mh-note-dist "R" | |
38 | "String whose first character is used to notate redistributed messages.") | |
39 | ||
40 | (defvar mh-send-prog "send" | |
41 | "Name of the MH send program. | |
42 | Some sites need to change this because of a name conflict.") | |
43 | ||
44 | (defvar mh-yank-hooks nil | |
45 | "Obsolete hook for modifying a citation just inserted in the mail buffer. | |
46 | Each hook function can find the citation between point and mark. | |
47 | And each hook function should leave point and mark around the citation | |
48 | text as modified. | |
49 | ||
50 | This is a normal hook, misnamed for historical reasons. | |
51 | It is semi-obsolete and is only used if mail-citation-hook is nil.") | |
52 | ||
53 | (defvar mail-citation-hook nil | |
54 | "*Hook for modifying a citation just inserted in the mail buffer. | |
55 | Each hook function can find the citation between point and mark. | |
56 | And each hook function should leave point and mark around the citation | |
57 | text as modified. | |
58 | ||
59 | If this hook is entirely empty (nil), the text of the message is inserted | |
60 | with mh-ins-buf-prefix prefixed to each line. | |
61 | ||
62 | See also the variable mh-yank-from-start-of-msg, which controls how | |
63 | much of the message passed to the hook.") | |
64 | ||
65 | ;;; Copied from sendmail.el for Hyperbole | |
66 | (defvar mail-header-separator "--------" | |
67 | "*Line used by MH to separate headers from text in messages being composed.") | |
68 | ||
69 | ;;; Personal preferences: | |
70 | ||
71 | (defvar mh-delete-yanked-msg-window nil | |
72 | "*Controls window display when a message is yanked by \\<mh-letter-mode-map>\\[mh-yank-cur-msg]. | |
73 | If non-nil, yanking the current message into a draft letter deletes any | |
74 | windows displaying the message.") | |
75 | ||
76 | (defvar mh-yank-from-start-of-msg t | |
77 | "*Controls which part of a message is yanked by \\<mh-letter-mode-map>\\[mh-yank-cur-msg]. | |
78 | If non-nil, include the entire message. If the symbol `body', then yank the | |
79 | message minus the header. If nil, yank only the portion of the message | |
80 | following the point. If the show buffer has a region, this variable is | |
81 | ignored.") | |
82 | ||
83 | (defvar mh-reply-default-reply-to nil | |
84 | "*Sets the person or persons to whom a reply will be sent. | |
85 | If nil, prompt for recipient. If non-nil, then \\<mh-folder-mode-map>`\\[mh-reply]' will use this | |
86 | value and it should be one of \"from\", \"to\", or \"cc\".") | |
87 | ||
88 | (defvar mh-signature-file-name "~/.signature" | |
89 | "*Name of file containing the user's signature. | |
90 | Inserted into message by \\<mh-letter-mode-map>\\[mh-insert-signature].") | |
91 | ||
92 | (defvar mh-forward-subject-format "%s: %s" | |
93 | "*Format to generate the Subject: line contents for a forwarded message. | |
94 | The two string arguments to the format are the sender of the original | |
95 | message and the original subject line.") | |
96 | ||
97 | (defvar mh-comp-formfile "components" | |
98 | "Name of file to be used as a skeleton for composing messages. | |
99 | Default is \"components\". If not a complete path name, the file | |
100 | is searched for first in the user's MH directory, then in the | |
101 | system MH lib directory.") | |
102 | ||
103 | ;;; Hooks: | |
104 | ||
105 | (defvar mh-letter-mode-hook nil | |
106 | "Invoked in `mh-letter-mode' on a new letter.") | |
107 | ||
108 | (defvar mh-compose-letter-function nil | |
109 | "Invoked in `mh-compose-and-send-mail' on a draft letter. | |
110 | It is passed three arguments: TO recipients, SUBJECT, and CC recipients.") | |
111 | ||
112 | (defvar mh-before-send-letter-hook nil | |
113 | "Invoked at the beginning of the \\<mh-letter-mode-map>\\[mh-send-letter] command.") | |
114 | ||
115 | ||
116 | (defvar mh-rejected-letter-start | |
117 | (concat "^ ----- Unsent message follows -----$" ;from mail system | |
118 | "\\|^------- Unsent Draft$" ;from MH itself | |
119 | "\\|^---------- Original Message ----------$" ;from zmailer | |
120 | "\\|^ --- The unsent message follows ---$" ;from AIX mail system | |
121 | "\\|^ Your message follows:$") ;from MMDF-II | |
122 | "Regexp specifying the beginning of the wrapper around a returned letter. | |
123 | This wrapper is generated by the mail system when rejecting a letter.") | |
124 | ||
125 | (defvar mh-new-draft-cleaned-headers | |
126 | "^Date:\\|^Received:\\|^Message-Id:\\|^From:\\|^Sender:\\|^Delivery-Date:\\|^Return-Path:" | |
127 | "Regexp of header lines to remove before offering a message as a new draft. | |
128 | Used by the \\<mh-folder-mode-map>`\\[mh-edit-again]' and `\\[mh-extract-rejected-mail]' commands.") | |
129 | ||
130 | (defvar mh-to-field-choices '((?t . "To:") (?s . "Subject:") (?c . "Cc:") | |
131 | (?b . "Bcc:") (?f . "Fcc:")) | |
132 | "Alist of (final-character . field-name) choices for mh-to-field.") | |
133 | ||
134 | (defvar mh-letter-mode-map (copy-keymap text-mode-map) | |
135 | "Keymap for composing mail.") | |
136 | ||
137 | (defvar mh-letter-mode-syntax-table nil | |
138 | "Syntax table used by mh-e while in MH-Letter mode.") | |
139 | ||
140 | (if mh-letter-mode-syntax-table | |
141 | () | |
142 | (setq mh-letter-mode-syntax-table | |
143 | (make-syntax-table text-mode-syntax-table)) | |
144 | (modify-syntax-entry ?% "." mh-letter-mode-syntax-table)) | |
145 | ||
146 | ||
147 | ;;;###autoload | |
148 | (defun mh-smail () | |
149 | "Compose and send mail with the MH mail system. | |
150 | This function is an entry point to mh-e, the Emacs front end | |
151 | to the MH mail system." | |
152 | (interactive) | |
153 | (mh-find-path) | |
154 | (call-interactively 'mh-send)) | |
155 | ||
156 | ||
157 | (defun mh-edit-again (msg) | |
158 | "Clean-up a draft or a message previously sent and make it resendable. | |
159 | The variable mh-new-draft-cleaned-headers specifies the headers to remove. | |
160 | See also documentation for `\\[mh-send]' function." | |
161 | (interactive (list (mh-get-msg-num t))) | |
162 | (let* ((from-folder mh-current-folder) | |
163 | (config (current-window-configuration)) | |
164 | (draft | |
165 | (cond ((and mh-draft-folder (equal from-folder mh-draft-folder)) | |
166 | (pop-to-buffer (find-file-noselect (mh-msg-filename msg)) t) | |
167 | (rename-buffer (format "draft-%d" msg)) | |
168 | (buffer-name)) | |
169 | (t | |
170 | (mh-read-draft "clean-up" (mh-msg-filename msg) nil))))) | |
171 | (mh-clean-msg-header (point-min) mh-new-draft-cleaned-headers nil) | |
172 | (goto-char (point-min)) | |
173 | (set-buffer-modified-p nil) | |
174 | (mh-compose-and-send-mail draft "" from-folder nil nil nil nil nil nil | |
175 | config))) | |
176 | ||
177 | ||
178 | (defun mh-extract-rejected-mail (msg) | |
179 | "Extract a letter returned by the mail system and make it resendable. | |
180 | Default is the displayed message. The variable mh-new-draft-cleaned-headers | |
181 | gives the headers to clean out of the original message. | |
182 | See also documentation for `\\[mh-send]' function." | |
183 | (interactive (list (mh-get-msg-num t))) | |
184 | (let ((from-folder mh-current-folder) | |
185 | (config (current-window-configuration)) | |
186 | (draft (mh-read-draft "extraction" (mh-msg-filename msg) nil))) | |
187 | (goto-char (point-min)) | |
188 | (cond ((re-search-forward mh-rejected-letter-start nil t) | |
189 | (skip-chars-forward " \t\n") | |
190 | (delete-region (point-min) (point)) | |
191 | (mh-clean-msg-header (point-min) mh-new-draft-cleaned-headers nil)) | |
192 | (t | |
193 | (message "Does not appear to be a rejected letter."))) | |
194 | (goto-char (point-min)) | |
195 | (set-buffer-modified-p nil) | |
196 | (mh-compose-and-send-mail draft "" from-folder msg (mh-get-field "To:") | |
197 | (mh-get-field "From:") (mh-get-field "Cc:") | |
198 | nil nil config))) | |
199 | ||
200 | ||
201 | (defun mh-forward (to cc &optional msg-or-seq) | |
202 | "Forward a message or message sequence. Defaults to displayed message. | |
203 | If optional prefix argument provided, then prompt for the message sequence. | |
204 | See also documentation for `\\[mh-send]' function." | |
205 | (interactive (list (mh-read-address "To: ") | |
206 | (mh-read-address "Cc: ") | |
207 | (if current-prefix-arg | |
208 | (mh-read-seq-default "Forward" t) | |
209 | (mh-get-msg-num t)))) | |
210 | (or msg-or-seq | |
211 | (setq msg-or-seq (mh-get-msg-num t))) | |
212 | (let* ((folder mh-current-folder) | |
213 | (config (current-window-configuration)) | |
214 | ;; forw always leaves file in "draft" since it doesn't have -draft | |
215 | (draft-name (expand-file-name "draft" mh-user-path)) | |
216 | (draft (cond ((or (not (file-exists-p draft-name)) | |
217 | (y-or-n-p "The file 'draft' exists. Discard it? ")) | |
218 | (mh-exec-cmd "forw" | |
219 | "-build" mh-current-folder msg-or-seq) | |
220 | (prog1 | |
221 | (mh-read-draft "" draft-name t) | |
222 | (mh-insert-fields "To:" to "Cc:" cc) | |
223 | (set-buffer-modified-p nil))) | |
224 | (t | |
225 | (mh-read-draft "" draft-name nil))))) | |
226 | (goto-char (point-min)) | |
227 | (re-search-forward "^------- Forwarded Message") | |
228 | (forward-line -1) | |
229 | (narrow-to-region (point) (point-max)) | |
230 | (let ((orig-from (save-excursion (mh-get-field "From:"))) | |
231 | (orig-subject (save-excursion (mh-get-field "Subject:")))) | |
232 | (widen) | |
233 | (let ((forw-subject | |
234 | (mh-forwarded-letter-subject orig-from orig-subject))) | |
235 | (save-excursion (mh-insert-fields "Subject:" forw-subject)) | |
236 | (delete-other-windows) | |
237 | (if (numberp msg-or-seq) | |
238 | (mh-add-msgs-to-seq msg-or-seq 'forwarded t) | |
239 | (mh-add-msgs-to-seq (mh-seq-to-msgs msg-or-seq) 'forwarded t)) | |
240 | (mh-compose-and-send-mail draft "" folder msg-or-seq | |
241 | to forw-subject cc | |
242 | mh-note-forw "Forwarded:" | |
243 | config))))) | |
244 | ||
245 | (defun mh-forwarded-letter-subject (from subject) | |
246 | ;; Return a Subject suitable for a forwarded message. | |
247 | ;; Original message has headers FROM and SUBJECT. | |
248 | (let ((addr-start (string-match "<" from)) | |
249 | (comment (string-match "(" from))) | |
250 | (cond ((and addr-start (> addr-start 0)) | |
251 | ;; Full Name <luser@host> | |
252 | (setq from (substring from 0 (1- addr-start)))) | |
253 | (comment | |
254 | ;; luser@host (Full Name) | |
255 | (setq from (substring from (1+ comment) (1- (length from))))))) | |
256 | (format mh-forward-subject-format from subject)) | |
257 | ||
258 | ||
259 | ;;;###autoload | |
260 | (defun mh-smail-other-window () | |
261 | "Compose and send mail in other window with the MH mail system. | |
262 | This function is an entry point to mh-e, the Emacs front end | |
263 | to the MH mail system." | |
264 | (interactive) | |
265 | (mh-find-path) | |
266 | (call-interactively 'mh-send-other-window)) | |
267 | ||
268 | ||
269 | (defun mh-redistribute (to cc &optional msg) | |
270 | "Redistribute a letter. | |
271 | Depending on how your copy of MH was compiled, you may need to change the | |
272 | setting of the variable mh-redist-full-contents. See its documentation." | |
273 | (interactive (list (mh-read-address "Redist-To: ") | |
274 | (mh-read-address "Redist-Cc: ") | |
275 | (mh-get-msg-num t))) | |
276 | (or msg | |
277 | (setq msg (mh-get-msg-num t))) | |
278 | (save-window-excursion | |
279 | (let ((folder mh-current-folder) | |
280 | (draft (mh-read-draft "redistribution" | |
281 | (if mh-redist-full-contents | |
282 | (mh-msg-filename msg) | |
283 | nil) | |
284 | nil))) | |
285 | (mh-goto-header-end 0) | |
286 | (insert "Resent-To: " to "\n") | |
287 | (if (not (equal cc "")) (insert "Resent-cc: " cc "\n")) | |
288 | (mh-clean-msg-header (point-min) | |
289 | "^Message-Id:\\|^Received:\\|^Return-Path:\\|^Sender:\\|^Date:\\|^From:" | |
290 | nil) | |
291 | (save-buffer) | |
292 | (message "Redistributing...") | |
293 | (if mh-redist-full-contents | |
294 | (call-process "/bin/sh" nil 0 nil "-c" | |
295 | (format "mhdist=1 mhaltmsg=%s %s -push %s" | |
296 | (buffer-file-name) | |
297 | (expand-file-name mh-send-prog mh-progs) | |
298 | (buffer-file-name))) | |
299 | (call-process "/bin/sh" nil 0 nil "-c" | |
300 | (format "mhdist=1 mhaltmsg=%s mhannotate=1 %s -push %s" | |
301 | (mh-msg-filename msg folder) | |
302 | (expand-file-name mh-send-prog mh-progs) | |
303 | (buffer-file-name)))) | |
304 | (mh-annotate-msg msg folder mh-note-dist | |
305 | "-component" "Resent:" | |
306 | "-text" (format "\"%s %s\"" to cc)) | |
307 | (kill-buffer draft) | |
308 | (message "Redistributing...done")))) | |
309 | ||
310 | ||
311 | (defun mh-reply (msg &optional includep) | |
312 | "Reply to a MESSAGE (default: displayed message). | |
313 | If optional prefix argument INCLUDEP provided, then include the message | |
314 | in the reply using filter mhl.reply in your MH directory. | |
315 | Prompts for type of addresses to reply to: | |
316 | from sender only, | |
317 | to sender and primary recipients, | |
318 | cc/all sender and all recipients. | |
319 | See also documentation for `\\[mh-send]' function." | |
320 | (interactive (list (mh-get-msg-num t) current-prefix-arg)) | |
321 | (let ((minibuffer-help-form | |
322 | "from => Sender only\nto => Sender and primary recipients\ncc or all => Sender and all recipients")) | |
323 | (let ((reply-to (or mh-reply-default-reply-to | |
324 | (completing-read "Reply to whom: " | |
325 | '(("from") ("to") ("cc") ("all")) | |
326 | nil | |
327 | t))) | |
328 | (folder mh-current-folder) | |
329 | (show-buffer mh-show-buffer) | |
330 | (config (current-window-configuration))) | |
331 | (message "Composing a reply...") | |
332 | (mh-exec-cmd "repl" "-build" "-noquery" "-nodraftfolder" | |
333 | mh-current-folder msg | |
334 | (cond ((or (equal reply-to "from") (equal reply-to "")) | |
335 | '("-nocc" "all")) | |
336 | ((equal reply-to "to") | |
337 | '("-cc" "to")) | |
338 | ((or (equal reply-to "cc") (equal reply-to "all")) | |
339 | '("-cc" "all" "-nocc" "me"))) | |
340 | (if includep | |
341 | '("-filter" "mhl.reply"))) | |
342 | (let ((draft (mh-read-draft "reply" | |
343 | (expand-file-name "reply" mh-user-path) | |
344 | t))) | |
345 | (delete-other-windows) | |
346 | (set-buffer-modified-p nil) | |
347 | ||
348 | (let ((to (mh-get-field "To:")) | |
349 | (subject (mh-get-field "Subject:")) | |
350 | (cc (mh-get-field "Cc:"))) | |
351 | (goto-char (point-min)) | |
352 | (mh-goto-header-end 1) | |
353 | (or includep | |
354 | (mh-in-show-buffer (show-buffer) | |
355 | (mh-display-msg msg folder))) | |
356 | (mh-add-msgs-to-seq msg 'answered t) | |
357 | (message "Composing a reply...done") | |
358 | (mh-compose-and-send-mail draft "" folder msg to subject cc | |
359 | mh-note-repl "Replied:" config)))))) | |
360 | ||
361 | ||
362 | (defun mh-send (to cc subject) | |
363 | "Compose and send a letter. | |
364 | The file named by `mh-comp-formfile' will be used as the form. | |
365 | The letter is composed in mh-letter-mode; see its documentation for more | |
366 | details. If `mh-compose-letter-function' is defined, it is called on the | |
367 | draft and passed three arguments: to, subject, and cc. | |
368 | Do not call this function from outside mh-e; use \\[mh-smail] instead." | |
369 | (interactive (list | |
370 | (mh-read-address "To: ") | |
371 | (mh-read-address "Cc: ") | |
372 | (read-string "Subject: "))) | |
373 | (let ((config (current-window-configuration))) | |
374 | (delete-other-windows) | |
375 | (mh-send-sub to cc subject config))) | |
376 | ||
377 | ||
378 | (defun mh-send-other-window (to cc subject) | |
379 | "Compose and send a letter in another window. | |
380 | Do not call this function from outside mh-e; | |
381 | use \\[mh-smail-other-window] instead. | |
382 | See also documentation for `\\[mh-send]' function." | |
383 | (interactive (list | |
384 | (mh-read-address "To: ") | |
385 | (mh-read-address "Cc: ") | |
386 | (read-string "Subject: "))) | |
387 | (let ((pop-up-windows t)) | |
388 | (mh-send-sub to cc subject (current-window-configuration)))) | |
389 | ||
390 | ||
391 | (defun mh-send-sub (to cc subject config) | |
392 | "Do the real work of composing and sending a letter. | |
393 | Expects the TO, CC, and SUBJECT fields as arguments. | |
394 | CONFIG is the window configuration before sending mail." | |
395 | (let ((folder mh-current-folder) | |
396 | (msg-num (mh-get-msg-num nil))) | |
397 | (message "Composing a message...") | |
398 | (let ((draft (mh-read-draft | |
399 | "message" | |
400 | (let (components) | |
401 | (cond | |
402 | ((file-exists-p | |
403 | (setq components | |
404 | (expand-file-name mh-comp-formfile mh-user-path))) | |
405 | components) | |
406 | ((file-exists-p | |
407 | (setq components | |
408 | (expand-file-name mh-comp-formfile mh-lib))) | |
409 | components) | |
410 | (t | |
411 | (error (format "Can't find components file \"%s\"" | |
412 | components))))) | |
413 | nil))) | |
414 | (mh-insert-fields "To:" to "Subject:" subject "Cc:" cc) | |
415 | (goto-char (point-max)) | |
416 | (message "Composing a message...done") | |
417 | (mh-compose-and-send-mail draft "" folder msg-num | |
418 | to subject cc | |
419 | nil nil config)))) | |
420 | ||
421 | ||
422 | (defun mh-read-draft (use initial-contents delete-contents-file) | |
423 | ;; Read draft file into a draft buffer and make that buffer the current one. | |
424 | ;; USE is a message used for prompting about the intended use of the message. | |
425 | ;; INITIAL-CONTENTS is filename that is read into an empty buffer, or NIL | |
426 | ;; if buffer should not be modified. Delete the initial-contents file if | |
427 | ;; DELETE-CONTENTS-FILE flag is set. | |
428 | ;; Returns the draft folder's name. | |
429 | ;; If the draft folder facility is enabled in ~/.mh_profile, a new buffer is | |
430 | ;; used each time and saved in the draft folder. The draft file can then be | |
431 | ;; reused. | |
432 | (cond (mh-draft-folder | |
433 | (let ((orig-default-dir default-directory) | |
434 | (draft-file-name (mh-new-draft-name))) | |
435 | (pop-to-buffer (generate-new-buffer | |
436 | (format "draft-%s" | |
437 | (file-name-nondirectory draft-file-name)))) | |
438 | (condition-case () | |
439 | (insert-file-contents draft-file-name t) | |
440 | (file-error)) | |
441 | (setq default-directory orig-default-dir))) | |
442 | (t | |
443 | (let ((draft-name (expand-file-name "draft" mh-user-path))) | |
444 | (pop-to-buffer "draft") ; Create if necessary | |
445 | (if (buffer-modified-p) | |
446 | (if (y-or-n-p "Draft has been modified; kill anyway? ") | |
447 | (set-buffer-modified-p nil) | |
448 | (error "Draft preserved"))) | |
449 | (setq buffer-file-name draft-name) | |
450 | (clear-visited-file-modtime) | |
451 | (unlock-buffer) | |
452 | (cond ((and (file-exists-p draft-name) | |
453 | (not (equal draft-name initial-contents))) | |
454 | (insert-file-contents draft-name) | |
455 | (delete-file draft-name)))))) | |
456 | (cond ((and initial-contents | |
457 | (or (zerop (buffer-size)) | |
458 | (not (y-or-n-p | |
459 | (format "A draft exists. Use for %s? " use))))) | |
460 | (erase-buffer) | |
461 | (insert-file-contents initial-contents) | |
462 | (if delete-contents-file (delete-file initial-contents)))) | |
463 | (auto-save-mode 1) | |
464 | (if mh-draft-folder | |
465 | (save-buffer)) ; Do not reuse draft name | |
466 | (buffer-name)) | |
467 | ||
468 | ||
469 | (defun mh-new-draft-name () | |
470 | ;; Returns the pathname of folder for draft messages. | |
471 | (save-excursion | |
472 | (mh-exec-cmd-quiet t "mhpath" mh-draft-folder "new") | |
473 | (buffer-substring (point-min) (1- (point-max))))) | |
474 | ||
475 | ||
476 | (defun mh-annotate-msg (msg buffer note &rest args) | |
477 | ;; Mark the MESSAGE in BUFFER listing with the character NOTE and annotate | |
478 | ;; the saved message with ARGS. | |
479 | (apply 'mh-exec-cmd "anno" buffer msg args) | |
480 | (save-excursion | |
481 | (cond ((get-buffer buffer) ; Buffer may be deleted | |
482 | (set-buffer buffer) | |
483 | (if (symbolp msg) | |
484 | (mh-notate-seq msg note (1+ mh-cmd-note)) | |
485 | (mh-notate msg note (1+ mh-cmd-note))))))) | |
486 | ||
487 | ||
488 | (defun mh-insert-fields (&rest name-values) | |
489 | ;; Insert the NAME-VALUE pairs in the current buffer. | |
490 | ;; If field NAME exists, append VALUE to it. | |
491 | ;; Do not insert any pairs whose value is the empty string. | |
492 | (let ((case-fold-search t)) | |
493 | (while name-values | |
494 | (let ((field-name (car name-values)) | |
495 | (value (car (cdr name-values)))) | |
496 | (cond ((equal value "") | |
497 | nil) | |
498 | ((mh-position-on-field field-name) | |
499 | (insert " " value)) | |
500 | (t | |
501 | (insert field-name " " value "\n"))) | |
502 | (setq name-values (cdr (cdr name-values))))))) | |
503 | ||
504 | ||
505 | (defun mh-position-on-field (field &optional ignore) | |
506 | ;; Move to the end of the FIELD in the header. | |
507 | ;; Move to end of entire header if FIELD not found. | |
508 | ;; Returns non-nil iff FIELD was found. | |
509 | ;; The optional second arg is for pre-version 4 compatibility. | |
510 | (let ((case-fold-search t)) | |
511 | (goto-char (point-min)) | |
512 | (mh-goto-header-end 0) | |
513 | (if (re-search-backward (format "^%s" field) nil t) | |
514 | (progn | |
515 | (forward-line 1) | |
516 | (while (looking-at "^[ \t]") | |
517 | (forward-line 1)) | |
518 | (backward-char 1) ;to end of previous line | |
519 | t) | |
520 | nil))) | |
521 | ||
522 | ||
523 | (defun mh-goto-header-end (arg) | |
524 | ;; Find the end of the message header in the current buffer and position | |
525 | ;; the cursor at the ARG'th newline after the header. | |
526 | (if (re-search-forward "^$\\|^-+$" nil nil) | |
527 | (forward-line arg))) | |
528 | ||
529 | ||
530 | (defun mh-read-address (prompt) | |
531 | ;; Read a To: or Cc: address, prompting in the minibuffer with PROMPT. | |
532 | ;; May someday do completion on aliases. | |
533 | (read-string prompt)) | |
534 | ||
535 | \f | |
536 | ||
537 | ;;; Mode for composing and sending a draft message. | |
538 | ||
539 | (defvar mh-sent-from-folder nil | |
540 | "Folder of msg associated with this letter.") | |
541 | ||
542 | (defvar mh-sent-from-msg nil | |
543 | "Number of msg associated with this letter.") | |
544 | ||
545 | (defvar mh-send-args nil | |
546 | "Extra arguments to pass to \"send\" command.") | |
547 | ||
548 | (defvar mh-annotate-char nil | |
549 | "Character to use to annotate mh-sent-from-msg.") | |
550 | ||
551 | (defvar mh-annotate-field nil | |
552 | "Field name for message annotation.") | |
553 | ||
554 | (put 'mh-letter-mode 'mode-class 'special) | |
555 | ||
556 | ;;;###autoload | |
557 | (defun mh-letter-mode () | |
558 | "Mode for composing letters in mh-e.\\<mh-letter-mode-map> | |
559 | When you have finished composing, type \\[mh-send-letter] to send the letter. | |
560 | ||
561 | \\{mh-letter-mode-map} | |
562 | ||
563 | Variables controlling this mode (defaults in parentheses): | |
564 | ||
565 | mh-delete-yanked-msg-window (nil) | |
566 | If non-nil, \\[mh-yank-cur-msg] will delete any windows displaying | |
567 | the yanked message. | |
568 | ||
569 | mh-yank-from-start-of-msg (t) | |
570 | If non-nil, \\[mh-yank-cur-msg] will include the entire message. | |
571 | If `body', just yank the body (no header). | |
572 | If nil, only the portion of the message following the point will be yanked. | |
573 | If there is a region, this variable is ignored. | |
574 | ||
575 | mh-signature-file-name (\"~/.signature\") | |
576 | File to be inserted into message by \\[mh-insert-signature]. | |
577 | ||
578 | Upon invoking mh-letter-mode, text-mode-hook and mh-letter-mode-hook are | |
579 | invoked with no args, if those values are non-nil." | |
580 | ||
581 | (interactive) | |
582 | (or mh-user-path (mh-find-path)) | |
583 | (kill-all-local-variables) | |
584 | (make-local-variable 'paragraph-start) | |
585 | (setq paragraph-start (concat "^[ \t]*[-_][-_][-_]+$\\|" paragraph-start)) | |
586 | (make-local-variable 'paragraph-separate) | |
587 | (setq paragraph-separate | |
588 | (concat "^[ \t]*[-_][-_][-_]+$\\|" paragraph-separate)) | |
589 | (make-local-variable 'mh-send-args) | |
590 | (make-local-variable 'mh-annotate-char) | |
591 | (make-local-variable 'mh-annotate-field) | |
592 | (make-local-variable 'mh-previous-window-config) | |
593 | (make-local-variable 'mh-sent-from-folder) | |
594 | (make-local-variable 'mh-sent-from-msg) | |
595 | (make-local-variable 'mail-header-separator) | |
596 | (setq mail-header-separator "--------") ;for Hyperbole | |
597 | (use-local-map mh-letter-mode-map) | |
598 | (setq major-mode 'mh-letter-mode) | |
599 | (mh-set-mode-name "MH-Letter") | |
600 | (set-syntax-table mh-letter-mode-syntax-table) | |
601 | (run-hooks 'text-mode-hook) | |
602 | ;; if text-mode-hook turned on auto-fill, tune it for messages | |
603 | (cond ((and (boundp 'auto-fill-hook) auto-fill-hook) ;emacs 18 | |
604 | (make-local-variable 'auto-fill-hook) | |
605 | (setq auto-fill-hook 'mh-auto-fill-for-letter))) | |
606 | (cond ((and (boundp 'auto-fill-function) auto-fill-function) ;emacs 19 | |
607 | (make-local-variable 'auto-fill-function) | |
608 | (setq auto-fill-function 'mh-auto-fill-for-letter))) | |
609 | (run-hooks 'mh-letter-mode-hook)) | |
610 | ||
611 | ||
612 | (defun mh-auto-fill-for-letter () | |
613 | ;; Auto-fill in letters treats the header specially by inserting a tab | |
614 | ;; before continuation line. | |
615 | (do-auto-fill) | |
616 | (if (mh-in-header-p) | |
617 | (save-excursion | |
618 | (beginning-of-line nil) | |
619 | (insert-char ?\t 1)))) | |
620 | ||
621 | ||
622 | (defun mh-in-header-p () | |
623 | ;; Return non-nil if the point is in the header of a draft message. | |
624 | (save-excursion | |
625 | (let ((cur-point (point))) | |
626 | (goto-char (point-min)) | |
627 | (re-search-forward "^-*$" nil t) | |
628 | (< cur-point (point))))) | |
629 | ||
630 | ||
631 | (defun mh-to-field () | |
632 | "Move point to the end of a specified header field. | |
633 | The field is indicated by the previous keystroke (the last keystroke | |
634 | of the command) according to the list in mh-to-field-choices. | |
635 | Create the field if it does not exist. Set the mark to point before moving." | |
636 | (interactive) | |
637 | (expand-abbrev) | |
638 | (let ((target (cdr (assoc (logior last-input-char ?`) mh-to-field-choices))) | |
639 | (case-fold-search t)) | |
640 | (push-mark) | |
641 | (cond ((mh-position-on-field target) | |
642 | (let ((eol (point))) | |
643 | (skip-chars-backward " \t") | |
644 | (delete-region (point) eol)) | |
645 | (if (and (not (eq (logior last-input-char ?`) ?s)) | |
646 | (save-excursion | |
647 | (backward-char 1) | |
648 | (not (looking-at "[:,]")))) | |
649 | (insert ", ") | |
650 | (insert " "))) | |
651 | (t | |
652 | (if (mh-position-on-field "To:") | |
653 | (forward-line 1)) | |
654 | (insert (format "%s \n" target)) | |
655 | (backward-char 1))))) | |
656 | ||
657 | ||
658 | (defun mh-to-fcc (&optional folder) | |
659 | "Insert an Fcc: FOLDER field in the current message. | |
660 | Prompt for the field name with a completion list of the current folders." | |
661 | (interactive) | |
662 | (or folder | |
663 | (setq folder (mh-prompt-for-folder | |
664 | "Fcc" | |
665 | (or (and mh-msg-folder-hook | |
666 | (save-excursion | |
667 | (goto-char (point-min)) | |
668 | (funcall mh-msg-folder-hook))) | |
669 | "") | |
670 | t))) | |
671 | (let ((last-input-char ?\C-f)) | |
672 | (expand-abbrev) | |
673 | (save-excursion | |
674 | (mh-to-field) | |
675 | (insert (if (mh-folder-name-p folder) | |
676 | (substring folder 1) | |
677 | folder))))) | |
678 | ||
679 | ||
680 | (defun mh-insert-signature () | |
681 | "Insert the file named by mh-signature-file-name at the current point." | |
682 | (interactive) | |
683 | (insert-file-contents mh-signature-file-name) | |
684 | (set-buffer-modified-p (buffer-modified-p))) ; force mode line update | |
685 | ||
686 | ||
687 | (defun mh-check-whom () | |
688 | "Verify recipients of the current letter." | |
689 | (interactive) | |
690 | (let ((file-name (buffer-file-name))) | |
691 | (save-buffer) | |
692 | (message "Checking recipients...") | |
693 | (mh-in-show-buffer ("*Recipients*") | |
694 | (bury-buffer (current-buffer)) | |
695 | (erase-buffer) | |
696 | (mh-exec-cmd-output "whom" t file-name)) | |
697 | (message "Checking recipients...done"))) | |
698 | ||
699 | \f | |
700 | ||
701 | ;;; Routines to compose and send a letter. | |
702 | ||
703 | (defun mh-compose-and-send-mail (draft send-args | |
704 | sent-from-folder sent-from-msg | |
705 | to subject cc | |
706 | annotate-char annotate-field | |
707 | config) | |
708 | ;; Edit and compose a draft message in buffer DRAFT and send or save it. | |
709 | ;; SENT-FROM-FOLDER is buffer containing scan listing of current folder, or | |
710 | ;; nil if none exists. | |
711 | ;; SENT-FROM-MSG is the message number or sequence name or nil. | |
712 | ;; SEND-ARGS is an optional argument passed to the send command. | |
713 | ;; The TO, SUBJECT, and CC fields are passed to the | |
714 | ;; mh-compose-letter-function. | |
715 | ;; If ANNOTATE-CHAR is non-null, it is used to notate the scan listing of the | |
716 | ;; message. In that case, the ANNOTATE-FIELD is used to build a string | |
717 | ;; for mh-annotate-msg. | |
718 | ;; CONFIG is the window configuration to restore after sending the letter. | |
719 | (pop-to-buffer draft) | |
720 | (mh-letter-mode) | |
721 | (setq mh-sent-from-folder sent-from-folder) | |
722 | (setq mh-sent-from-msg sent-from-msg) | |
723 | (setq mh-send-args send-args) | |
724 | (setq mh-annotate-char annotate-char) | |
725 | (setq mh-annotate-field annotate-field) | |
726 | (setq mh-previous-window-config config) | |
727 | (setq mode-line-buffer-identification (list "{%b}")) | |
728 | (if (and (boundp 'mh-compose-letter-function) | |
729 | (symbol-value 'mh-compose-letter-function)) | |
730 | ;; run-hooks will not pass arguments. | |
731 | (let ((value (symbol-value 'mh-compose-letter-function))) | |
732 | (if (and (listp value) (not (eq (car value) 'lambda))) | |
733 | (while value | |
734 | (funcall (car value) to subject cc) | |
735 | (setq value (cdr value))) | |
736 | (funcall mh-compose-letter-function to subject cc))))) | |
737 | ||
738 | ||
739 | (defun mh-send-letter (&optional arg) | |
740 | "Send the draft letter in the current buffer. | |
741 | If optional prefix argument is provided, monitor delivery. | |
742 | Run mh-before-send-letter-hook before doing anything." | |
743 | (interactive "P") | |
744 | (run-hooks 'mh-before-send-letter-hook) | |
745 | (set-buffer-modified-p t) ; Make sure buffer is written | |
746 | (save-buffer) | |
747 | (message "Sending...") | |
748 | (let ((draft-buffer (current-buffer)) | |
749 | (file-name (buffer-file-name)) | |
750 | (config mh-previous-window-config)) | |
751 | (cond (arg | |
752 | (pop-to-buffer "MH mail delivery") | |
753 | (erase-buffer) | |
754 | (mh-exec-cmd-output mh-send-prog t "-watch" "-nopush" | |
755 | "-nodraftfolder" mh-send-args file-name) | |
756 | (goto-char (point-max)) ; show the interesting part | |
757 | (recenter -1) | |
758 | (set-buffer draft-buffer)) ; for annotation below | |
759 | (t | |
760 | (mh-exec-cmd-daemon mh-send-prog "-nodraftfolder" "-noverbose" | |
761 | mh-send-args file-name))) | |
762 | (if mh-annotate-char | |
763 | (mh-annotate-msg mh-sent-from-msg | |
764 | mh-sent-from-folder | |
765 | mh-annotate-char | |
766 | "-component" mh-annotate-field | |
767 | "-text" (format "\"%s %s\"" | |
768 | (mh-get-field "To:") | |
769 | (mh-get-field "Cc:")))) | |
770 | ||
771 | (cond ((or (not arg) | |
772 | (y-or-n-p "Kill draft buffer? ")) | |
773 | (kill-buffer draft-buffer) | |
774 | (if config | |
775 | (set-window-configuration config)))) | |
776 | (if arg | |
777 | (message "Sending...done") | |
778 | (message "Sending...backgrounded")))) | |
779 | ||
780 | ||
781 | (defun mh-insert-letter (msg folder verbatum) | |
782 | "Insert a MESSAGE from any FOLDER into the current letter. | |
783 | Removes the message's headers using mh-invisible-headers. | |
784 | Prefixes each non-blank line with mh-ins-buf-prefix (default \"> \"). | |
785 | If prefix argument VERBATUM provided, do not indent and do not delete | |
786 | headers. Leaves the mark before the letter and point after it." | |
787 | (interactive | |
788 | (list (read-input (format "Message number%s: " | |
789 | (if mh-sent-from-msg | |
790 | (format " [%d]" mh-sent-from-msg) | |
791 | ""))) | |
792 | (mh-prompt-for-folder "Message from" mh-sent-from-folder nil) | |
793 | current-prefix-arg)) | |
794 | (save-restriction | |
795 | (narrow-to-region (point) (point)) | |
796 | (let ((start (point-min))) | |
797 | (if (equal msg "") (setq msg (int-to-string mh-sent-from-msg))) | |
798 | (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear" | |
799 | (expand-file-name msg | |
800 | (mh-expand-file-name folder))) | |
801 | (cond ((not verbatum) | |
802 | (mh-clean-msg-header start mh-invisible-headers mh-visible-headers) | |
803 | (set-mark start) ; since mh-clean-msg-header moves it | |
804 | (mh-insert-prefix-string mh-ins-buf-prefix)))))) | |
805 | ||
806 | ||
807 | (defun mh-yank-cur-msg () | |
808 | "Insert the current message into the draft buffer. | |
809 | Prefix each non-blank line in the message with the string in | |
810 | `mh-ins-buf-prefix'. If a region is set in the message's buffer, then | |
811 | only the region will be inserted. Otherwise, the entire message will | |
812 | be inserted if `mh-yank-from-start-of-msg' is non-nil. If this variable | |
813 | is nil, the portion of the message following the point will be yanked. | |
814 | If `mh-delete-yanked-msg-window' is non-nil, any window displaying the | |
815 | yanked message will be deleted." | |
816 | (interactive) | |
817 | (if (and mh-sent-from-folder mh-sent-from-msg) | |
818 | (let ((to-point (point)) | |
819 | (to-buffer (current-buffer))) | |
820 | (set-buffer mh-sent-from-folder) | |
821 | (if mh-delete-yanked-msg-window | |
822 | (delete-windows-on mh-show-buffer)) | |
823 | (set-buffer mh-show-buffer) ; Find displayed message | |
824 | (let ((mh-ins-str (cond ((if (boundp 'mark-active) | |
825 | mark-active ;Emacs 19 | |
826 | (mark)) ;Emacs 18 | |
827 | (buffer-substring (region-beginning) | |
828 | (region-end))) | |
829 | ((eq 'body mh-yank-from-start-of-msg) | |
830 | (buffer-substring | |
831 | (save-excursion | |
832 | (goto-char (point-min)) | |
833 | (mh-goto-header-end 1) | |
834 | (point)) | |
835 | (point-max))) | |
836 | (mh-yank-from-start-of-msg | |
837 | (buffer-substring (point-min) (point-max))) | |
838 | (t | |
839 | (buffer-substring (point) (point-max)))))) | |
840 | (set-buffer to-buffer) | |
841 | (narrow-to-region to-point to-point) | |
842 | (push-mark) | |
843 | (insert mh-ins-str) | |
844 | (mh-insert-prefix-string mh-ins-buf-prefix) | |
845 | (insert "\n") | |
846 | (widen))) | |
847 | (error "There is no current message"))) | |
848 | ||
849 | ||
850 | (defun mh-insert-prefix-string (mh-ins-string) | |
851 | ;; Run MAIL-CITATION-HOOK to insert a prefix string before each line | |
852 | ;; in the buffer. Generality for supercite users. | |
853 | (save-excursion | |
854 | (set-mark (point-max)) | |
855 | (goto-char (point-min)) | |
856 | (cond (mail-citation-hook | |
857 | (run-hooks 'mail-citation-hook)) | |
858 | (mh-yank-hooks ;old hook name | |
859 | (run-hooks 'mh-yank-hooks)) | |
860 | (t | |
861 | (or (bolp) (forward-line 1)) | |
862 | (while (< (point) (mark)) | |
863 | (insert mh-ins-string) | |
864 | (forward-line 1)))))) | |
865 | ||
866 | ||
867 | (defun mh-fully-kill-draft () | |
868 | "Kill the draft message file and the draft message buffer. | |
869 | Use \\[kill-buffer] if you don't want to delete the draft message file." | |
870 | (interactive) | |
871 | (if (y-or-n-p "Kill draft message? ") | |
872 | (let ((config mh-previous-window-config)) | |
873 | (if (file-exists-p (buffer-file-name)) | |
874 | (delete-file (buffer-file-name))) | |
875 | (set-buffer-modified-p nil) | |
876 | (kill-buffer (buffer-name)) | |
877 | (message "") | |
878 | (if config | |
879 | (set-window-configuration config))) | |
880 | (error "Message not killed"))) | |
881 | ||
882 | ;;; Build the letter-mode keymap: | |
883 | ||
884 | (define-key mh-letter-mode-map "\C-c\C-f\C-b" 'mh-to-field) | |
885 | (define-key mh-letter-mode-map "\C-c\C-f\C-c" 'mh-to-field) | |
886 | (define-key mh-letter-mode-map "\C-c\C-f\C-f" 'mh-to-fcc) | |
887 | (define-key mh-letter-mode-map "\C-c\C-f\C-s" 'mh-to-field) | |
888 | (define-key mh-letter-mode-map "\C-c\C-f\C-t" 'mh-to-field) | |
889 | (define-key mh-letter-mode-map "\C-c\C-fb" 'mh-to-field) | |
890 | (define-key mh-letter-mode-map "\C-c\C-fc" 'mh-to-field) | |
891 | (define-key mh-letter-mode-map "\C-c\C-ff" 'mh-to-fcc) | |
892 | (define-key mh-letter-mode-map "\C-c\C-fs" 'mh-to-field) | |
893 | (define-key mh-letter-mode-map "\C-c\C-ft" 'mh-to-field) | |
894 | (define-key mh-letter-mode-map "\C-c\C-q" 'mh-fully-kill-draft) | |
895 | (define-key mh-letter-mode-map "\C-c\C-w" 'mh-check-whom) | |
896 | (define-key mh-letter-mode-map "\C-c\C-i" 'mh-insert-letter) | |
897 | (define-key mh-letter-mode-map "\C-c\C-y" 'mh-yank-cur-msg) | |
898 | (define-key mh-letter-mode-map "\C-c\C-s" 'mh-insert-signature) | |
899 | (define-key mh-letter-mode-map "\C-c\C-c" 'mh-send-letter) | |
900 | (define-key mh-letter-mode-map "\C-c\C-m\C-f" 'mh-mhn-compose-forw) | |
901 | (define-key mh-letter-mode-map "\C-c\C-m\C-e" 'mh-mhn-compose-anon-ftp) | |
902 | (define-key mh-letter-mode-map "\C-c\C-m\C-t" 'mh-mhn-compose-external-compressed-tar) | |
903 | (define-key mh-letter-mode-map "\C-c\C-m\C-i" 'mh-mhn-compose-insertion) | |
904 | (define-key mh-letter-mode-map "\C-c\C-e" 'mh-edit-mhn) | |
905 | (define-key mh-letter-mode-map "\C-c\C-m\C-u" 'mh-revert-mhn-edit) | |
906 | ||
907 | ||
908 | ;;; autoloads from mh-mime | |
909 | ||
910 | (autoload 'mh-mhn-compose-insertion "mh-mime" | |
911 | "Add a directive to insert a message part from a file." t) | |
912 | (autoload 'mh-mhn-compose-anon-ftp "mh-mime" | |
913 | "Add a directive for an anonymous ftp external body part." t) | |
914 | (autoload 'mh-mhn-compose-external-compressed-tar "mh-mime" | |
915 | "Add a directive to include a reference to a compressed tar file." t) | |
916 | (autoload 'mh-mhn-compose-forw "mh-mime" | |
917 | "Add a forw directive to this message." t) | |
918 | (autoload 'mh-edit-mhn "mh-mime" | |
919 | "Filter the current draft through the mhn program for MIME formatting. | |
920 | Using directives already inserted in the draft, fills in | |
921 | all the MIME components and header fields. | |
922 | This step should be done last just before sending the message. | |
923 | The mhn program is part of MH version 6.8 or later. | |
924 | The `\\[mh-revert-mhn-edit]' command undoes this command. | |
925 | For assistance with creating MIME directives to insert | |
926 | various types of components in a message, see | |
927 | \\[mh-mhn-compose-insertion] (generic insertion from a file), | |
928 | \\[mh-mhn-compose-anon-ftp] (external reference to file via anonymous ftp), | |
929 | \\[mh-mhn-compose-external-compressed-tar] \ | |
930 | \(reference to compressed tar file via anonymous ftp), and | |
931 | \\[mh-mhn-compose-forw] (forward message)." t) | |
932 | ||
933 | (autoload 'mh-revert-mhn-edit "mh-mime" | |
934 | "Undoes the effect of \\[mh-edit-mhn] by reverting to the backup file." t) |