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1 | ;;; mh-letter.el --- MH-Letter mode |
2 | ||
219d0838 | 3 | ;; Copyright (C) 1993, 1995, 1997, 2000, 2001, 2002, 2003, 2004, 2005, |
ae940284 | 4 | ;; 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
dda00b2c BW |
5 | |
6 | ;; Author: Bill Wohler <wohler@newt.com> | |
7 | ;; Maintainer: Bill Wohler <wohler@newt.com> | |
8 | ;; Keywords: mail | |
9 | ;; See: mh-e.el | |
10 | ||
11 | ;; This file is part of GNU Emacs. | |
12 | ||
5e809f55 | 13 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
dda00b2c | 14 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
15 | ;; the Free Software Foundation, either version 3 of the License, or |
16 | ;; (at your option) any later version. | |
dda00b2c BW |
17 | |
18 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ;; GNU General Public License for more details. | |
22 | ||
23 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 24 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
dda00b2c BW |
25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;; Mode for composing and sending a draft message. | |
29 | ||
30 | ;; Functions that would ordinarily be in here that are needed by | |
31 | ;; mh-show.el should be placed in the Message Utilities section in | |
32 | ;; mh-utils.el. That will help prevent the loading of this file until | |
33 | ;; a message is actually composed. | |
34 | ||
35 | ;;; Change Log: | |
36 | ||
37 | ;;; Code: | |
38 | ||
39 | (require 'mh-e) | |
40 | ||
41 | (require 'gnus-util) | |
42 | ||
efc27af6 | 43 | ;; Dynamically-created functions not found in mh-loaddefs.el. |
dda00b2c | 44 | (autoload 'mh-tool-bar-letter-buttons-init "mh-tool-bar") |
efc27af6 | 45 | (autoload 'mh-tool-bar-init "mh-tool-bar") |
dda00b2c BW |
46 | |
47 | (autoload 'mml-insert-tag "mml") | |
48 | ||
49 | ;;; Variables | |
50 | ||
51 | (defvar mh-letter-complete-function-alist | |
52 | '((bcc . mh-alias-letter-expand-alias) | |
53 | (cc . mh-alias-letter-expand-alias) | |
54 | (dcc . mh-alias-letter-expand-alias) | |
55 | (fcc . mh-folder-expand-at-point) | |
56 | (from . mh-alias-letter-expand-alias) | |
57 | (mail-followup-to . mh-alias-letter-expand-alias) | |
58 | (mail-reply-to . mh-alias-letter-expand-alias) | |
59 | (reply-to . mh-alias-letter-expand-alias) | |
60 | (to . mh-alias-letter-expand-alias)) | |
61 | "Alist of header fields and completion functions to use.") | |
62 | ||
dda00b2c BW |
63 | (defvar mh-yank-hooks nil |
64 | "Obsolete hook for modifying a citation just inserted in the mail buffer. | |
65 | ||
66 | Each hook function can find the citation between point and mark. | |
67 | And each hook function should leave point and mark around the | |
68 | citation text as modified. | |
69 | ||
70 | This is a normal hook, misnamed for historical reasons. It is | |
71 | semi-obsolete and is only used if `mail-citation-hook' is nil.") | |
72 | ||
73 | \f | |
74 | ||
75 | ;;; Letter Menu | |
76 | ||
dda00b2c BW |
77 | (easy-menu-define |
78 | mh-letter-menu mh-letter-mode-map "Menu for MH-E letter mode." | |
79 | '("Letter" | |
80 | ["Send This Draft" mh-send-letter t] | |
81 | ["Split Current Line" mh-open-line t] | |
82 | ["Check Recipient" mh-check-whom t] | |
83 | ["Yank Current Message" mh-yank-cur-msg t] | |
84 | ["Insert a Message..." mh-insert-letter t] | |
85 | ["Insert Signature" mh-insert-signature t] | |
86 | ("Encrypt/Sign Message" | |
87 | ["Sign Message" | |
88 | mh-mml-secure-message-sign mh-pgp-support-flag] | |
89 | ["Encrypt Message" | |
90 | mh-mml-secure-message-encrypt mh-pgp-support-flag] | |
91 | ["Sign+Encrypt Message" | |
92 | mh-mml-secure-message-signencrypt mh-pgp-support-flag] | |
93 | ["Disable Security" | |
94 | mh-mml-unsecure-message mh-pgp-support-flag] | |
95 | "--" | |
96 | "Security Method" | |
97 | ["PGP (MIME)" (setq mh-mml-method-default "pgpmime") | |
98 | :style radio | |
99 | :selected (equal mh-mml-method-default "pgpmime")] | |
100 | ["PGP" (setq mh-mml-method-default "pgp") | |
101 | :style radio | |
102 | :selected (equal mh-mml-method-default "pgp")] | |
103 | ["S/MIME" (setq mh-mml-method-default "smime") | |
104 | :style radio | |
105 | :selected (equal mh-mml-method-default "smime")] | |
106 | "--" | |
107 | ["Save Method as Default" | |
108 | (customize-save-variable 'mh-mml-method-default mh-mml-method-default) t] | |
109 | ) | |
110 | ["Compose Insertion..." mh-compose-insertion t] | |
111 | ["Compose Compressed tar (MH)..." | |
112 | mh-mh-compose-external-compressed-tar t] | |
113 | ["Compose Get File (MH)..." mh-mh-compose-anon-ftp t] | |
114 | ["Compose Forward..." mh-compose-forward t] | |
115 | ;; The next two will have to be merged. But I also need to make sure the | |
116 | ;; user can't mix tags of both types. | |
117 | ["Pull in All Compositions (MH)" | |
118 | mh-mh-to-mime (mh-mh-directive-present-p)] | |
119 | ["Pull in All Compositions (MML)" | |
120 | mh-mml-to-mime (mh-mml-tag-present-p)] | |
121 | ["Revert to Non-MIME Edit (MH)" | |
122 | mh-mh-to-mime-undo (equal mh-compose-insertion 'mh)] | |
123 | ["Kill This Draft" mh-fully-kill-draft t])) | |
124 | ||
125 | \f | |
126 | ||
127 | ;;; MH-Letter Keys | |
128 | ||
129 | ;; If this changes, modify mh-letter-mode-help-messages accordingly, above. | |
130 | (gnus-define-keys mh-letter-mode-map | |
131 | " " mh-letter-complete-or-space | |
132 | "," mh-letter-confirm-address | |
133 | "\C-c?" mh-help | |
134 | "\C-c\C-\\" mh-fully-kill-draft ;if no C-q | |
135 | "\C-c\C-^" mh-insert-signature ;if no C-s | |
136 | "\C-c\C-c" mh-send-letter | |
137 | "\C-c\C-d" mh-insert-identity | |
138 | "\C-c\C-e" mh-mh-to-mime | |
139 | "\C-c\C-f\C-a" mh-to-field | |
140 | "\C-c\C-f\C-b" mh-to-field | |
141 | "\C-c\C-f\C-c" mh-to-field | |
142 | "\C-c\C-f\C-d" mh-to-field | |
143 | "\C-c\C-f\C-f" mh-to-fcc | |
144 | "\C-c\C-f\C-l" mh-to-field | |
145 | "\C-c\C-f\C-m" mh-to-field | |
146 | "\C-c\C-f\C-r" mh-to-field | |
147 | "\C-c\C-f\C-s" mh-to-field | |
148 | "\C-c\C-f\C-t" mh-to-field | |
149 | "\C-c\C-fa" mh-to-field | |
150 | "\C-c\C-fb" mh-to-field | |
151 | "\C-c\C-fc" mh-to-field | |
152 | "\C-c\C-fd" mh-to-field | |
153 | "\C-c\C-ff" mh-to-fcc | |
154 | "\C-c\C-fl" mh-to-field | |
155 | "\C-c\C-fm" mh-to-field | |
156 | "\C-c\C-fr" mh-to-field | |
157 | "\C-c\C-fs" mh-to-field | |
158 | "\C-c\C-ft" mh-to-field | |
159 | "\C-c\C-i" mh-insert-letter | |
160 | "\C-c\C-m\C-e" mh-mml-secure-message-encrypt | |
161 | "\C-c\C-m\C-f" mh-compose-forward | |
162 | "\C-c\C-m\C-g" mh-mh-compose-anon-ftp | |
163 | "\C-c\C-m\C-i" mh-compose-insertion | |
164 | "\C-c\C-m\C-m" mh-mml-to-mime | |
165 | "\C-c\C-m\C-n" mh-mml-unsecure-message | |
166 | "\C-c\C-m\C-s" mh-mml-secure-message-sign | |
167 | "\C-c\C-m\C-t" mh-mh-compose-external-compressed-tar | |
168 | "\C-c\C-m\C-u" mh-mh-to-mime-undo | |
169 | "\C-c\C-m\C-x" mh-mh-compose-external-type | |
170 | "\C-c\C-mee" mh-mml-secure-message-encrypt | |
171 | "\C-c\C-mes" mh-mml-secure-message-signencrypt | |
172 | "\C-c\C-mf" mh-compose-forward | |
173 | "\C-c\C-mg" mh-mh-compose-anon-ftp | |
174 | "\C-c\C-mi" mh-compose-insertion | |
175 | "\C-c\C-mm" mh-mml-to-mime | |
176 | "\C-c\C-mn" mh-mml-unsecure-message | |
177 | "\C-c\C-mse" mh-mml-secure-message-signencrypt | |
178 | "\C-c\C-mss" mh-mml-secure-message-sign | |
179 | "\C-c\C-mt" mh-mh-compose-external-compressed-tar | |
180 | "\C-c\C-mu" mh-mh-to-mime-undo | |
181 | "\C-c\C-mx" mh-mh-compose-external-type | |
182 | "\C-c\C-o" mh-open-line | |
183 | "\C-c\C-q" mh-fully-kill-draft | |
184 | "\C-c\C-s" mh-insert-signature | |
185 | "\C-c\C-t" mh-letter-toggle-header-field-display | |
186 | "\C-c\C-w" mh-check-whom | |
187 | "\C-c\C-y" mh-yank-cur-msg | |
188 | "\C-c\M-d" mh-insert-auto-fields | |
189 | "\M-\t" mh-letter-complete | |
190 | "\t" mh-letter-next-header-field-or-indent | |
191 | [backtab] mh-letter-previous-header-field) | |
192 | ||
193 | ;; "C-c /" prefix is used in mh-letter-mode by pgp.el and mailcrypt.el. | |
194 | ||
195 | \f | |
196 | ||
197 | ;;; MH-Letter Help Messages | |
198 | ||
199 | ;; Group messages logically, more or less. | |
200 | (defvar mh-letter-mode-help-messages | |
201 | '((nil | |
202 | "Send letter: \\[mh-send-letter] " | |
203 | "Open line: \\[mh-open-line]\n" | |
204 | "Kill letter: \\[mh-fully-kill-draft] " | |
205 | "Check recipients: \\[mh-check-whom]\n\n" | |
206 | "Insert:\n" | |
207 | " Current message: \\[mh-yank-cur-msg]\n" | |
208 | " Attachment: \\[mh-compose-insertion]\n" | |
209 | " Message to forward: \\[mh-compose-forward]\n" | |
210 | " Signature: \\[mh-insert-signature]\n\n" | |
211 | "Security:\n" | |
212 | " Encrypt message: \\[mh-mml-secure-message-encrypt]\n" | |
213 | " Sign message: \\[mh-mml-secure-message-sign]\n" | |
214 | " Sign+Encrypt message: \\[mh-mml-secure-message-signencrypt]")) | |
215 | "Key binding cheat sheet. | |
216 | ||
217 | This is an associative array which is used to show the most | |
218 | common commands. The key is a prefix char. The value is one or | |
219 | more strings which are concatenated together and displayed in the | |
220 | minibuffer if ? is pressed after the prefix character. The | |
221 | special key nil is used to display the non-prefixed commands. | |
222 | ||
223 | The substitutions described in `substitute-command-keys' are | |
224 | performed as well.") | |
225 | ||
226 | \f | |
227 | ||
228 | ;;; MH-Letter Font Lock | |
229 | ||
230 | (defvar mh-letter-font-lock-keywords | |
231 | `(,@(mh-show-font-lock-keywords-with-cite) | |
232 | (mh-font-lock-field-data | |
233 | (1 'mh-letter-header-field prepend t))) | |
234 | "Additional expressions to highlight in MH-Letter buffers.") | |
235 | ||
236 | (defun mh-font-lock-field-data (limit) | |
237 | "Find header field region between point and LIMIT." | |
238 | (and (< (point) (mh-letter-header-end)) | |
239 | (< (point) limit) | |
240 | (let ((end (min limit (mh-letter-header-end))) | |
241 | (point (point)) | |
242 | data-end data-begin field) | |
243 | (end-of-line) | |
244 | (setq data-end (if (re-search-forward "^[^ \t]" end t) | |
245 | (match-beginning 0) | |
246 | end)) | |
247 | (goto-char (1- data-end)) | |
248 | (if (not (re-search-backward "\\(^[^ \t][^:]*\\):[ \t]*" nil t)) | |
249 | (setq data-begin (point-min)) | |
250 | (setq data-begin (match-end 0)) | |
251 | (setq field (match-string 1))) | |
252 | (setq data-begin (max point data-begin)) | |
253 | (goto-char (if (equal point data-end) (1+ data-end) data-end)) | |
254 | (cond ((and field (mh-letter-skipped-header-field-p field)) | |
255 | (set-match-data nil) | |
256 | nil) | |
257 | (t (set-match-data | |
258 | (list data-begin data-end data-begin data-end)) | |
259 | t))))) | |
260 | ||
261 | (defun mh-letter-header-end () | |
262 | "Find the end of the message header. | |
263 | This function is to be used only for font locking. It works by | |
264 | searching for `mh-mail-header-separator' in the buffer." | |
265 | (save-excursion | |
266 | (goto-char (point-min)) | |
267 | (cond ((equal mh-mail-header-separator "") (point-min)) | |
268 | ((search-forward (format "\n%s\n" mh-mail-header-separator) nil t) | |
d5dc8c56 | 269 | (mh-line-beginning-position 0)) |
dda00b2c BW |
270 | (t (point-min))))) |
271 | ||
272 | \f | |
273 | ||
274 | ;;; MH-Letter Mode | |
275 | ||
dda00b2c | 276 | ;; Shush compiler. |
42f8c37f | 277 | (defvar font-lock-defaults) ; XEmacs |
dda00b2c BW |
278 | |
279 | ;; Ensure new buffers won't get this mode if default-major-mode is nil. | |
280 | (put 'mh-letter-mode 'mode-class 'special) | |
281 | ||
282 | ;;;###mh-autoload | |
283 | (define-derived-mode mh-letter-mode mail-mode "MH-Letter" | |
284 | "Mode for composing letters in MH-E\\<mh-letter-mode-map>. | |
285 | ||
286 | When you have finished composing, type \\[mh-send-letter] to send | |
287 | the message using the MH mail handling system. | |
288 | ||
289 | There are two types of tags used by MH-E when composing MIME | |
290 | messages: MML and MH. The option `mh-compose-insertion' controls | |
291 | what type of tags are inserted by MH-E commands. These tags can | |
292 | be converted to MIME body parts by running \\[mh-mh-to-mime] for | |
293 | MH-style directives or \\[mh-mml-to-mime] for MML tags. | |
294 | ||
295 | Options that control this mode can be changed with | |
296 | \\[customize-group]; specify the \"mh-compose\" group. | |
297 | ||
298 | When a message is composed, the hooks `text-mode-hook', | |
299 | `mail-mode-hook', and `mh-letter-mode-hook' are run (in that | |
300 | order). | |
301 | ||
302 | \\{mh-letter-mode-map}" | |
303 | (mh-find-path) | |
304 | (make-local-variable 'mh-send-args) | |
305 | (make-local-variable 'mh-annotate-char) | |
306 | (make-local-variable 'mh-annotate-field) | |
307 | (make-local-variable 'mh-previous-window-config) | |
308 | (make-local-variable 'mh-sent-from-folder) | |
309 | (make-local-variable 'mh-sent-from-msg) | |
310 | (mh-do-in-gnu-emacs | |
d2464a9f BW |
311 | (unless mh-letter-tool-bar-map |
312 | (mh-tool-bar-letter-buttons-init)) | |
219d0838 GM |
313 | (if (boundp 'tool-bar-map) |
314 | (set (make-local-variable 'tool-bar-map) mh-letter-tool-bar-map))) | |
efc27af6 BW |
315 | (mh-do-in-xemacs |
316 | (mh-tool-bar-init :letter)) | |
dda00b2c BW |
317 | ;; Set the local value of mh-mail-header-separator according to what is |
318 | ;; present in the buffer... | |
319 | (set (make-local-variable 'mh-mail-header-separator) | |
320 | (save-excursion | |
321 | (goto-char (mh-mail-header-end)) | |
d5dc8c56 | 322 | (buffer-substring-no-properties (point) (mh-line-end-position)))) |
dda00b2c BW |
323 | (make-local-variable 'mail-header-separator) |
324 | (setq mail-header-separator mh-mail-header-separator) ;override sendmail.el | |
325 | (mh-set-help mh-letter-mode-help-messages) | |
326 | (setq buffer-invisibility-spec '((vanish . t) t)) | |
327 | (set (make-local-variable 'line-move-ignore-invisible) t) | |
328 | ||
329 | ;; Enable undo since a show-mode buffer might have been reused. | |
330 | (buffer-enable-undo) | |
dda00b2c BW |
331 | (make-local-variable 'font-lock-defaults) |
332 | (cond | |
333 | ((or (equal mh-highlight-citation-style 'font-lock) | |
334 | (equal mh-highlight-citation-style 'gnus)) | |
335 | ;; Let's use font-lock even if gnus is used in show-mode. The reason | |
336 | ;; is that gnus uses static text properties which are not appropriate | |
337 | ;; for a buffer that will be edited. So the choice here is either fontify | |
338 | ;; the citations and header... | |
339 | (setq font-lock-defaults '(mh-letter-font-lock-keywords t))) | |
340 | (t | |
341 | ;; ...or the header only | |
342 | (setq font-lock-defaults '((mh-show-font-lock-keywords) t)))) | |
343 | (easy-menu-add mh-letter-menu) | |
0f1f01d6 BW |
344 | ;; Maybe we want to use the existing Mail menu from mail-mode in |
345 | ;; 9.0; in the mean time, let's remove it since the redundancy will | |
346 | ;; only produce confusion. | |
347 | (define-key mh-letter-mode-map [menu-bar mail] 'undefined) | |
348 | (mh-do-in-xemacs (easy-menu-remove mail-menubar-menu)) | |
dda00b2c BW |
349 | (setq fill-column mh-letter-fill-column) |
350 | ;; If text-mode-hook turned on auto-fill, tune it for messages | |
351 | (when auto-fill-function | |
352 | (make-local-variable 'auto-fill-function) | |
353 | (setq auto-fill-function 'mh-auto-fill-for-letter))) | |
354 | ||
355 | \f | |
356 | ||
357 | ;;; MH-Letter Commands | |
358 | ||
359 | ;; Alphabetical. | |
360 | ;; See also mh-comp.el and mh-mime.el. | |
361 | ||
362 | (defun mh-check-whom () | |
363 | "Verify recipients, showing expansion of any aliases. | |
364 | ||
365 | This command expands aliases so you can check the actual address(es) | |
366 | in the alias. A new buffer named \"*MH-E Recipients*\" is created with | |
367 | the output of \"whom\"." | |
368 | (interactive) | |
369 | (let ((file-name buffer-file-name)) | |
370 | (save-buffer) | |
371 | (message "Checking recipients...") | |
372 | (mh-in-show-buffer (mh-recipients-buffer) | |
373 | (bury-buffer (current-buffer)) | |
374 | (erase-buffer) | |
375 | (mh-exec-cmd-output "whom" t file-name)) | |
376 | (message "Checking recipients...done"))) | |
377 | ||
378 | (defun mh-insert-letter (folder message verbatim) | |
379 | "Insert a message. | |
380 | ||
381 | This command prompts you for the FOLDER and MESSAGE number, which | |
382 | defaults to the current message in that folder. It then inserts | |
383 | the message, indented by `mh-ins-buf-prefix' (\"> \") unless | |
384 | `mh-yank-behavior' is set to one of the supercite flavors in | |
385 | which case supercite is used to format the message. Certain | |
386 | undesirable header fields (see | |
387 | `mh-invisible-header-fields-compiled') are removed before | |
388 | insertion. | |
389 | ||
390 | If given a prefix argument VERBATIM, the header is left intact, the | |
391 | message is not indented, and \"> \" is not inserted before each line. | |
392 | This command leaves the mark before the letter and point after it." | |
393 | (interactive | |
394 | (let* ((folder | |
15855f8f | 395 | (mh-prompt-for-folder "Message from" mh-sent-from-folder nil)) |
dda00b2c | 396 | (default |
15855f8f BW |
397 | (if (equal folder mh-sent-from-folder) |
398 | (or mh-sent-from-msg (nth 0 (mh-translate-range folder "cur"))) | |
dda00b2c BW |
399 | (nth 0 (mh-translate-range folder "cur")))) |
400 | (message | |
401 | (read-string (concat "Message number" | |
402 | (or (and default | |
403 | (format " (default %d): " default)) | |
15855f8f BW |
404 | ": ")) |
405 | nil nil | |
406 | (if (numberp default) | |
407 | (int-to-string default) | |
408 | default)))) | |
dda00b2c | 409 | (list folder message current-prefix-arg))) |
15855f8f BW |
410 | (if (equal message "") |
411 | (error "No message number given")) | |
dda00b2c BW |
412 | (save-restriction |
413 | (narrow-to-region (point) (point)) | |
414 | (let ((start (point-min))) | |
dda00b2c BW |
415 | (insert-file-contents |
416 | (expand-file-name message (mh-expand-file-name folder))) | |
417 | (when (not verbatim) | |
418 | (mh-clean-msg-header start mh-invisible-header-fields-compiled nil) | |
419 | (goto-char (point-max)) ;Needed for sc-cite-original | |
420 | (push-mark) ;Needed for sc-cite-original | |
421 | (goto-char (point-min)) ;Needed for sc-cite-original | |
422 | (mh-insert-prefix-string mh-ins-buf-prefix))))) | |
423 | ||
424 | ;;;###mh-autoload | |
425 | (defun mh-insert-signature (&optional file) | |
426 | "Insert signature in message. | |
427 | ||
428 | This command inserts your signature at the current cursor location. | |
429 | ||
430 | By default, the text of your signature is taken from the file | |
431 | \"~/.signature\". You can read from other sources by changing the | |
432 | option `mh-signature-file-name'. | |
433 | ||
434 | A signature separator (\"-- \") will be added if the signature block | |
435 | does not contain one and `mh-signature-separator-flag' is on. | |
436 | ||
437 | The hook `mh-insert-signature-hook' is run after the signature is | |
438 | inserted. Hook functions may access the actual name of the file or the | |
439 | function used to insert the signature with `mh-signature-file-name'. | |
440 | ||
441 | The signature can also be inserted using Identities (see | |
442 | `mh-identity-list'). | |
443 | ||
444 | In a program, you can pass in a signature FILE." | |
445 | (interactive) | |
446 | (save-excursion | |
447 | (insert "\n") | |
448 | (let ((mh-signature-file-name (or file mh-signature-file-name)) | |
449 | (mh-mh-p (mh-mh-directive-present-p)) | |
450 | (mh-mml-p (mh-mml-tag-present-p))) | |
451 | (save-restriction | |
452 | (narrow-to-region (point) (point)) | |
453 | (cond | |
454 | ((mh-file-is-vcard-p mh-signature-file-name) | |
455 | (if (equal mh-compose-insertion 'mml) | |
456 | (insert "<#part type=\"text/x-vcard\" filename=\"" | |
457 | mh-signature-file-name | |
458 | "\" disposition=inline description=VCard>\n<#/part>") | |
459 | (insert "#text/x-vcard; name=\"" | |
460 | (file-name-nondirectory mh-signature-file-name) | |
461 | "\" [VCard] " (expand-file-name mh-signature-file-name)))) | |
462 | (t | |
463 | (cond | |
464 | (mh-mh-p | |
465 | (insert "#\n" "Content-Description: Signature\n")) | |
466 | (mh-mml-p | |
467 | (mml-insert-tag 'part 'type "text/plain" 'disposition "inline" | |
468 | 'description "Signature"))) | |
469 | (cond ((null mh-signature-file-name)) | |
470 | ((and (stringp mh-signature-file-name) | |
471 | (file-readable-p mh-signature-file-name)) | |
472 | (insert-file-contents mh-signature-file-name)) | |
473 | ((functionp mh-signature-file-name) | |
474 | (funcall mh-signature-file-name))))) | |
475 | (save-restriction | |
476 | (widen) | |
477 | (run-hooks 'mh-insert-signature-hook)) | |
478 | (goto-char (point-min)) | |
479 | (when (and (not (mh-file-is-vcard-p mh-signature-file-name)) | |
480 | mh-signature-separator-flag | |
481 | (> (point-max) (point-min)) | |
482 | (not (mh-signature-separator-p))) | |
483 | (cond (mh-mh-p | |
484 | (forward-line 2)) | |
485 | (mh-mml-p | |
486 | (forward-line 1))) | |
487 | (insert mh-signature-separator)) | |
488 | (if (not (> (point-max) (point-min))) | |
489 | (message "No signature found"))))) | |
490 | (force-mode-line-update)) | |
491 | ||
492 | (defun mh-letter-complete (arg) | |
493 | "Perform completion on header field or word preceding point. | |
494 | ||
495 | If the field contains addresses (for example, \"To:\" or \"Cc:\") | |
496 | or folders (for example, \"Fcc:\") then this command will provide | |
497 | alias completion. In the body of the message, this command runs | |
498 | `mh-letter-complete-function' instead, which is set to | |
499 | `ispell-complete-word' by default. This command takes a prefix | |
500 | argument ARG that is passed to the | |
501 | `mh-letter-complete-function'." | |
502 | (interactive "P") | |
503 | (let ((func nil)) | |
504 | (cond ((not (mh-in-header-p)) | |
505 | (funcall mh-letter-complete-function arg)) | |
506 | ((setq func (cdr (assoc (mh-letter-header-field-at-point) | |
507 | mh-letter-complete-function-alist))) | |
508 | (funcall func)) | |
509 | (t (funcall mh-letter-complete-function arg))))) | |
510 | ||
511 | (defun mh-letter-complete-or-space (arg) | |
512 | "Perform completion or insert space. | |
513 | ||
514 | Turn on the option `mh-compose-space-does-completion-flag' to use | |
515 | this command to perform completion in the header. Otherwise, a | |
516 | space is inserted; use a prefix argument ARG to specify more than | |
517 | one space." | |
518 | (interactive "p") | |
519 | (let ((func nil) | |
520 | (end-of-prev (save-excursion | |
521 | (goto-char (mh-beginning-of-word)) | |
522 | (mh-beginning-of-word -1)))) | |
523 | (cond ((not mh-compose-space-does-completion-flag) | |
524 | (self-insert-command arg)) | |
525 | ((not (mh-in-header-p)) (self-insert-command arg)) | |
526 | ((> (point) end-of-prev) (self-insert-command arg)) | |
527 | ((setq func (cdr (assoc (mh-letter-header-field-at-point) | |
528 | mh-letter-complete-function-alist))) | |
529 | (funcall func)) | |
530 | (t (self-insert-command arg))))) | |
531 | ||
532 | (defun mh-letter-confirm-address () | |
533 | "Flash alias expansion. | |
534 | ||
535 | Addresses are separated by a comma\; when you press the comma, | |
536 | this command flashes the alias expansion in the minibuffer if | |
537 | `mh-alias-flash-on-comma' is turned on." | |
538 | (interactive) | |
539 | (cond ((not (mh-in-header-p)) (self-insert-command 1)) | |
540 | ((eq (cdr (assoc (mh-letter-header-field-at-point) | |
541 | mh-letter-complete-function-alist)) | |
542 | 'mh-alias-letter-expand-alias) | |
543 | (mh-alias-reload-maybe) | |
544 | (mh-alias-minibuffer-confirm-address)) | |
545 | (t (self-insert-command 1)))) | |
546 | ||
547 | (defun mh-letter-next-header-field-or-indent (arg) | |
548 | "Cycle to next field. | |
549 | ||
550 | Within the header of the message, this command moves between | |
551 | fields that are highlighted with the face | |
552 | `mh-letter-header-field', skipping those fields listed in | |
553 | `mh-compose-skipped-header-fields'. After the last field, this | |
554 | command then moves point to the message body before cycling back | |
555 | to the first field. If point is already past the first line of | |
556 | the message body, then this command indents by calling | |
557 | `indent-relative' with the given prefix argument ARG." | |
558 | (interactive "P") | |
559 | (let ((header-end (save-excursion | |
560 | (goto-char (mh-mail-header-end)) | |
561 | (forward-line) | |
562 | (point)))) | |
563 | (if (> (point) header-end) | |
564 | (indent-relative arg) | |
565 | (mh-letter-next-header-field)))) | |
566 | ||
567 | (defun mh-letter-previous-header-field () | |
568 | "Cycle to the previous header field. | |
569 | ||
570 | This command moves backwards between the fields and cycles to the | |
571 | body of the message after the first field. Unlike the command | |
572 | \\[mh-letter-next-header-field-or-indent], it will always take | |
573 | point to the last field from anywhere in the body." | |
574 | (interactive) | |
575 | (let ((header-end (mh-mail-header-end))) | |
576 | (if (>= (point) header-end) | |
577 | (goto-char header-end) | |
578 | (mh-header-field-beginning)) | |
579 | (cond ((re-search-backward mh-letter-header-field-regexp nil t) | |
580 | (if (mh-letter-skipped-header-field-p (match-string 1)) | |
581 | (mh-letter-previous-header-field) | |
582 | (goto-char (match-end 0)) | |
583 | (mh-letter-skip-leading-whitespace-in-header-field))) | |
584 | (t (goto-char header-end) | |
585 | (forward-line))))) | |
586 | ||
dda00b2c BW |
587 | (defun mh-open-line () |
588 | "Insert a newline and leave point before it. | |
589 | ||
590 | This command is similar to the command \\[open-line] in that it | |
591 | inserts a newline after point. It differs in that it also inserts | |
592 | the right number of quoting characters and spaces so that the | |
593 | next line begins in the same column as it was. This is useful | |
594 | when breaking up paragraphs in replies." | |
595 | (interactive) | |
596 | (let ((column (current-column)) | |
597 | (prefix (mh-current-fill-prefix))) | |
598 | (if (> (length prefix) column) | |
599 | (message "Sorry, point seems to be within the line prefix") | |
600 | (newline 2) | |
601 | (insert prefix) | |
602 | (while (> column (current-column)) | |
603 | (insert " ")) | |
604 | (forward-line -1)))) | |
605 | ||
606 | (defun mh-to-fcc (&optional folder) | |
607 | "Move to \"Fcc:\" header field. | |
608 | ||
609 | This command will prompt you for the FOLDER name in which to file | |
610 | a copy of the draft." | |
611 | (interactive (list (mh-prompt-for-folder | |
612 | "Fcc" | |
613 | (or (and mh-default-folder-for-message-function | |
614 | (save-excursion | |
615 | (goto-char (point-min)) | |
616 | (funcall | |
617 | mh-default-folder-for-message-function))) | |
618 | "") | |
619 | t))) | |
620 | (let ((last-input-char ?\C-f)) | |
621 | (expand-abbrev) | |
622 | (save-excursion | |
623 | (mh-to-field) | |
624 | (insert (if (mh-folder-name-p folder) | |
625 | (substring folder 1) | |
626 | folder))))) | |
627 | ||
628 | (defvar mh-to-field-choices '(("a" . "Mail-Reply-To:") | |
629 | ("b" . "Bcc:") | |
630 | ("c" . "Cc:") | |
631 | ("d" . "Dcc:") | |
632 | ("f" . "Fcc:") | |
633 | ("l" . "Mail-Followup-To:") | |
634 | ("m" . "From:") | |
635 | ("r" . "Reply-To:") | |
636 | ("s" . "Subject:") | |
637 | ("t" . "To:")) | |
638 | "Alist of (final-character . field-name) choices for `mh-to-field'.") | |
639 | ||
640 | (defun mh-to-field () | |
641 | "Move to specified header field. | |
642 | ||
643 | The field is indicated by the previous keystroke (the last | |
644 | keystroke of the command) according to the list in the variable | |
645 | `mh-to-field-choices'. | |
646 | Create the field if it does not exist. | |
647 | Set the mark to point before moving." | |
648 | (interactive) | |
649 | (expand-abbrev) | |
650 | (let ((target (cdr (or (assoc (char-to-string (logior last-input-char ?`)) | |
651 | mh-to-field-choices) | |
652 | ;; also look for a char for version 4 compat | |
653 | (assoc (logior last-input-char ?`) | |
654 | mh-to-field-choices)))) | |
655 | (case-fold-search t)) | |
656 | (push-mark) | |
657 | (cond ((mh-position-on-field target) | |
658 | (let ((eol (point))) | |
659 | (skip-chars-backward " \t") | |
660 | (delete-region (point) eol)) | |
661 | (if (and (not (eq (logior last-input-char ?`) ?s)) | |
662 | (save-excursion | |
663 | (backward-char 1) | |
664 | (not (looking-at "[:,]")))) | |
665 | (insert ", ") | |
666 | (insert " "))) | |
667 | (t | |
668 | (if (mh-position-on-field "To:") | |
669 | (forward-line 1)) | |
670 | (insert (format "%s \n" target)) | |
671 | (backward-char 1))))) | |
672 | ||
673 | ;;;###mh-autoload | |
674 | (defun mh-yank-cur-msg () | |
675 | "Insert the current message into the draft buffer. | |
676 | ||
677 | It is often useful to insert a snippet of text from a letter that | |
678 | someone mailed to provide some context for your reply. This | |
679 | command does this by adding an attribution, yanking a portion of | |
680 | text from the message to which you're replying, and inserting | |
681 | `mh-ins-buf-prefix' (`> ') before each line. | |
682 | ||
683 | The attribution consists of the sender's name and email address | |
684 | followed by the content of the option | |
685 | `mh-extract-from-attribution-verb'. | |
686 | ||
687 | You can also turn on the option | |
688 | `mh-delete-yanked-msg-window-flag' to delete the window | |
689 | containing the original message after yanking it to make more | |
690 | room on your screen for your reply. | |
691 | ||
692 | You can control how the message to which you are replying is | |
693 | yanked into your reply using `mh-yank-behavior'. | |
694 | ||
695 | If this isn't enough, you can gain full control over the | |
696 | appearance of the included text by setting `mail-citation-hook' | |
697 | to a function that modifies it. For example, if you set this hook | |
698 | to `trivial-cite' (which is NOT part of Emacs), set | |
699 | `mh-yank-behavior' to \"Body and Header\" (see URL | |
700 | `http://shasta.cs.uiuc.edu/~lrclause/tc.html'). | |
701 | ||
702 | Note that if `mail-citation-hook' is set, `mh-ins-buf-prefix' is | |
703 | not inserted. If the option `mh-yank-behavior' is set to one of | |
704 | the supercite flavors, the hook `mail-citation-hook' is ignored | |
705 | and `mh-ins-buf-prefix' is not inserted." | |
706 | (interactive) | |
707 | (if (and mh-sent-from-folder | |
708 | (save-excursion (set-buffer mh-sent-from-folder) mh-show-buffer) | |
709 | (save-excursion (set-buffer mh-sent-from-folder) | |
710 | (get-buffer mh-show-buffer)) | |
711 | mh-sent-from-msg) | |
712 | (let ((to-point (point)) | |
713 | (to-buffer (current-buffer))) | |
714 | (set-buffer mh-sent-from-folder) | |
715 | (if mh-delete-yanked-msg-window-flag | |
716 | (delete-windows-on mh-show-buffer)) | |
717 | (set-buffer mh-show-buffer) ; Find displayed message | |
718 | (let* ((from-attr (mh-extract-from-attribution)) | |
719 | (yank-region (mh-mark-active-p nil)) | |
720 | (mh-ins-str | |
721 | (cond ((and yank-region | |
722 | (or (eq 'supercite mh-yank-behavior) | |
723 | (eq 'autosupercite mh-yank-behavior) | |
724 | (eq t mh-yank-behavior))) | |
725 | ;; supercite needs the full header | |
726 | (concat | |
727 | (buffer-substring (point-min) (mh-mail-header-end)) | |
728 | "\n" | |
729 | (buffer-substring (region-beginning) (region-end)))) | |
730 | (yank-region | |
731 | (buffer-substring (region-beginning) (region-end))) | |
732 | ((or (eq 'body mh-yank-behavior) | |
733 | (eq 'attribution mh-yank-behavior) | |
734 | (eq 'autoattrib mh-yank-behavior)) | |
735 | (buffer-substring | |
736 | (save-excursion | |
737 | (goto-char (point-min)) | |
738 | (mh-goto-header-end 1) | |
739 | (point)) | |
740 | (point-max))) | |
741 | ((or (eq 'supercite mh-yank-behavior) | |
742 | (eq 'autosupercite mh-yank-behavior) | |
743 | (eq t mh-yank-behavior)) | |
744 | (buffer-substring (point-min) (point-max))) | |
745 | (t | |
746 | (buffer-substring (point) (point-max)))))) | |
747 | (set-buffer to-buffer) | |
748 | (save-restriction | |
749 | (narrow-to-region to-point to-point) | |
750 | (insert (mh-filter-out-non-text mh-ins-str)) | |
751 | (goto-char (point-max)) ;Needed for sc-cite-original | |
752 | (push-mark) ;Needed for sc-cite-original | |
753 | (goto-char (point-min)) ;Needed for sc-cite-original | |
754 | (mh-insert-prefix-string mh-ins-buf-prefix) | |
755 | (when (or (eq 'attribution mh-yank-behavior) | |
756 | (eq 'autoattrib mh-yank-behavior)) | |
757 | (insert from-attr) | |
758 | (mh-identity-insert-attribution-verb nil) | |
759 | (insert "\n\n")) | |
760 | ;; If the user has selected a region, he has already "edited" the | |
761 | ;; text, so leave the cursor at the end of the yanked text. In | |
762 | ;; either case, leave a mark at the opposite end of the included | |
763 | ;; text to make it easy to jump or delete to the other end of the | |
764 | ;; text. | |
765 | (push-mark) | |
766 | (goto-char (point-max)) | |
767 | (if (null yank-region) | |
768 | (mh-exchange-point-and-mark-preserving-active-mark))))) | |
769 | (error "There is no current message"))) | |
770 | ||
771 | \f | |
772 | ||
773 | ;;; Support Routines | |
774 | ||
775 | (defun mh-auto-fill-for-letter () | |
776 | "Perform auto-fill for message. | |
777 | Header is treated specially by inserting a tab before continuation | |
778 | lines." | |
779 | (if (mh-in-header-p) | |
780 | (let ((fill-prefix "\t")) | |
781 | (do-auto-fill)) | |
782 | (do-auto-fill))) | |
783 | ||
784 | (defun mh-filter-out-non-text (string) | |
785 | "Return STRING but without adornments such as MIME buttons and smileys." | |
786 | (with-temp-buffer | |
787 | ;; Insert the string to filter | |
788 | (insert string) | |
789 | (goto-char (point-min)) | |
790 | ||
791 | ;; Remove the MIME buttons | |
792 | (let ((can-move-forward t) | |
793 | (in-button nil)) | |
794 | (while can-move-forward | |
795 | (cond ((and (not (get-text-property (point) 'mh-data)) | |
796 | in-button) | |
797 | (delete-region (1- (point)) (point)) | |
798 | (setq in-button nil)) | |
799 | ((get-text-property (point) 'mh-data) | |
800 | (delete-region (point) | |
801 | (save-excursion (forward-line) (point))) | |
802 | (setq in-button t)) | |
803 | (t (setq can-move-forward (= (forward-line) 0)))))) | |
804 | ||
805 | ;; Return the contents without properties... This gets rid of emphasis | |
806 | ;; and smileys | |
807 | (buffer-substring-no-properties (point-min) (point-max)))) | |
808 | ||
809 | (defun mh-current-fill-prefix () | |
810 | "Return the `fill-prefix' on the current line as a string." | |
811 | (save-excursion | |
812 | (beginning-of-line) | |
813 | ;; This assumes that the major-mode sets up adaptive-fill-regexp | |
814 | ;; correctly such as mh-letter-mode or sendmail.el's mail-mode. But | |
815 | ;; perhaps I should use the variable and simply inserts its value here, | |
816 | ;; and set it locally in a let scope. --psg | |
817 | (if (re-search-forward adaptive-fill-regexp nil t) | |
818 | (match-string 0) | |
819 | ""))) | |
820 | ||
821 | ;;;###mh-autoload | |
822 | (defun mh-letter-next-header-field () | |
823 | "Cycle to the next header field. | |
824 | If we are at the last header field go to the start of the message | |
825 | body." | |
826 | (let ((header-end (mh-mail-header-end))) | |
827 | (cond ((>= (point) header-end) (goto-char (point-min))) | |
828 | ((< (point) (progn | |
829 | (beginning-of-line) | |
830 | (re-search-forward mh-letter-header-field-regexp | |
d5dc8c56 | 831 | (mh-line-end-position) t) |
dda00b2c BW |
832 | (point))) |
833 | (beginning-of-line)) | |
834 | (t (end-of-line))) | |
835 | (cond ((re-search-forward mh-letter-header-field-regexp header-end t) | |
836 | (if (mh-letter-skipped-header-field-p (match-string 1)) | |
837 | (mh-letter-next-header-field) | |
838 | (mh-letter-skip-leading-whitespace-in-header-field))) | |
839 | (t (goto-char header-end) | |
840 | (forward-line))))) | |
841 | ||
dda00b2c BW |
842 | ;;;###mh-autoload |
843 | (defun mh-position-on-field (field &optional ignored) | |
844 | "Move to the end of the FIELD in the header. | |
845 | Move to end of entire header if FIELD not found. | |
df26688b | 846 | Returns non-nil if FIELD was found. |
dda00b2c BW |
847 | The optional second arg is for pre-version 4 compatibility and is |
848 | IGNORED." | |
849 | (cond ((mh-goto-header-field field) | |
850 | (mh-header-field-end) | |
851 | t) | |
852 | ((mh-goto-header-end 0) | |
853 | nil))) | |
854 | ||
855 | (defun mh-letter-header-field-at-point () | |
856 | "Return the header field name at point. | |
857 | A symbol is returned whose name is the string obtained by | |
858 | downcasing the field name." | |
859 | (save-excursion | |
860 | (end-of-line) | |
861 | (and (re-search-backward mh-letter-header-field-regexp nil t) | |
862 | (intern (downcase (match-string 1)))))) | |
863 | ||
864 | (defun mh-folder-expand-at-point () | |
865 | "Do folder name completion in Fcc header field." | |
866 | (let* ((end (point)) | |
867 | (beg (mh-beginning-of-word)) | |
6a7250d8 | 868 | (folder (buffer-substring-no-properties beg end)) |
dda00b2c | 869 | (leading-plus (and (> (length folder) 0) (equal (aref folder 0) ?+))) |
6a7250d8 | 870 | (choices (mapcar (lambda (x) (list x)) |
dda00b2c | 871 | (mh-folder-completion-function folder nil t)))) |
6a7250d8 BW |
872 | (unless leading-plus |
873 | (setq folder (concat "+" folder))) | |
dda00b2c BW |
874 | (mh-complete-word folder choices beg end))) |
875 | ||
876 | ;;;###mh-autoload | |
877 | (defun mh-complete-word (word choices begin end) | |
b7149a81 | 878 | "Complete WORD from CHOICES. |
dda00b2c BW |
879 | Any match found replaces the text from BEGIN to END." |
880 | (let ((completion (try-completion word choices)) | |
881 | (completions-buffer "*Completions*")) | |
882 | (cond ((eq completion t) | |
883 | (ignore-errors | |
884 | (kill-buffer completions-buffer)) | |
885 | (message "Completed: %s" word)) | |
886 | ((null completion) | |
887 | (ignore-errors | |
888 | (kill-buffer completions-buffer)) | |
889 | (message "No completion for %s" word)) | |
890 | ((stringp completion) | |
891 | (if (equal word completion) | |
892 | (with-output-to-temp-buffer completions-buffer | |
893 | (mh-display-completion-list (all-completions word choices) | |
08166ee9 | 894 | word)) |
dda00b2c BW |
895 | (ignore-errors |
896 | (kill-buffer completions-buffer)) | |
897 | (delete-region begin end) | |
898 | (insert completion)))))) | |
899 | ||
900 | (defun mh-file-is-vcard-p (file) | |
901 | "Return t if FILE is a .vcf vcard." | |
902 | (let ((case-fold-search t)) | |
903 | (and (stringp file) | |
904 | (file-exists-p file) | |
905 | (or (and (not (mh-have-file-command)) | |
906 | (not (null (string-match "\.vcf$" file)))) | |
907 | (string-equal "text/x-vcard" (mh-file-mime-type file)))))) | |
908 | ||
a55f450f | 909 | ;;;###mh-autoload |
dda00b2c BW |
910 | (defun mh-letter-toggle-header-field-display-button (event) |
911 | "Toggle header field display at location of EVENT. | |
912 | This function does the same thing as | |
913 | `mh-letter-toggle-header-field-display' except that it is | |
914 | callable from a mouse button." | |
915 | (interactive "e") | |
916 | (mh-do-at-event-location event | |
917 | (mh-letter-toggle-header-field-display nil))) | |
918 | ||
dda00b2c BW |
919 | (defun mh-extract-from-attribution () |
920 | "Extract phrase or comment from From header field." | |
921 | (save-excursion | |
922 | (if (not (mh-goto-header-field "From: ")) | |
923 | nil | |
924 | (skip-chars-forward " ") | |
925 | (cond | |
926 | ((looking-at "\"\\([^\"\n]+\\)\" \\(<.+>\\)") | |
927 | (format "%s %s " (match-string 1)(match-string 2))) | |
928 | ((looking-at "\\([^<\n]+<.+>\\)$") | |
929 | (format "%s " (match-string 1))) | |
930 | ((looking-at "\\([^ ]+@[^ ]+\\) +(\\(.+\\))$") | |
931 | (format "%s <%s> " (match-string 2)(match-string 1))) | |
932 | ((looking-at " *\\(.+\\)$") | |
933 | (format "%s " (match-string 1))))))) | |
934 | ||
935 | (defun mh-insert-prefix-string (mh-ins-string) | |
936 | "Insert prefix string before each line in buffer. | |
937 | The inserted letter is cited using `sc-cite-original' if | |
938 | `mh-yank-behavior' is one of 'supercite or 'autosupercite. | |
939 | Otherwise, simply insert MH-INS-STRING before each line." | |
940 | (goto-char (point-min)) | |
941 | (cond ((or (eq mh-yank-behavior 'supercite) | |
942 | (eq mh-yank-behavior 'autosupercite)) | |
943 | (sc-cite-original)) | |
944 | (mail-citation-hook | |
945 | (run-hooks 'mail-citation-hook)) | |
946 | (mh-yank-hooks ;old hook name | |
947 | (run-hooks 'mh-yank-hooks)) | |
948 | (t | |
949 | (or (bolp) (forward-line 1)) | |
950 | (while (< (point) (point-max)) | |
951 | (insert mh-ins-string) | |
952 | (forward-line 1)) | |
953 | (goto-char (point-min))))) ;leave point like sc-cite-original | |
954 | ||
955 | (provide 'mh-letter) | |
956 | ||
957 | ;; Local Variables: | |
958 | ;; indent-tabs-mode: nil | |
959 | ;; sentence-end-double-space: nil | |
960 | ;; End: | |
961 | ||
a1ab640d | 962 | ;; arch-tag: 0548632c-aadb-4e3b-bb80-bbd62ff90bf3 |
dda00b2c | 963 | ;;; mh-letter.el ends here |