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bdcfe844 | 1 | ;;; mh-utils.el --- MH-E code needed for both sending and reading |
c26cf6c8 | 2 | |
a1b4049d BW |
3 | ;; Copyright (C) 1993, 1995, 1997, 2000, 2001, 2002 Free Software Foundation, Inc. |
4 | ||
5 | ;; Author: Bill Wohler <wohler@newt.com> | |
6 | ;; Maintainer: Bill Wohler <wohler@newt.com> | |
7 | ;; Keywords: mail | |
8 | ;; See: mh-e.el | |
c26cf6c8 | 9 | |
60370d40 | 10 | ;; This file is part of GNU Emacs. |
c26cf6c8 | 11 | |
9b7bc076 | 12 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
c26cf6c8 RS |
13 | ;; it under the terms of the GNU General Public License as published by |
14 | ;; the Free Software Foundation; either version 2, or (at your option) | |
15 | ;; any later version. | |
16 | ||
9b7bc076 | 17 | ;; GNU Emacs is distributed in the hope that it will be useful, |
c26cf6c8 RS |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
24 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
25 | ;; Boston, MA 02111-1307, USA. | |
c26cf6c8 RS |
26 | |
27 | ;;; Commentary: | |
28 | ||
bdcfe844 | 29 | ;; Internal support for MH-E package. |
c26cf6c8 | 30 | |
a1b4049d BW |
31 | ;;; Change Log: |
32 | ||
bdcfe844 | 33 | ;; $Id: mh-utils.el,v 1.177 2002/11/22 20:00:47 satyaki Exp $ |
a1b4049d | 34 | |
c26cf6c8 RS |
35 | ;;; Code: |
36 | ||
bdcfe844 BW |
37 | (require 'cl) |
38 | (require 'gnus-util) | |
39 | ||
40 | ;; Shush the byte-compiler | |
41 | (defvar font-lock-auto-fontify) | |
42 | (defvar font-lock-defaults) | |
43 | (defvar mark-active) | |
44 | (defvar tool-bar-mode) | |
45 | ||
46 | (load "mm-decode" t t) ; Non-fatal dependency | |
47 | (load "mm-view" t t) ; Non-fatal dependency | |
48 | ||
a1b4049d BW |
49 | (load "executable" t t) ; Non-fatal dependency on |
50 | ; executable-find | |
51 | ||
52 | ;;; Autoload mh-seq | |
a1b4049d BW |
53 | (autoload 'mh-add-to-sequence "mh-seq") |
54 | (autoload 'mh-notate-seq "mh-seq") | |
55 | (autoload 'mh-read-seq-default "mh-seq") | |
56 | (autoload 'mh-map-to-seq-msgs "mh-seq") | |
57 | ||
bdcfe844 BW |
58 | ;;; Autoload mh-e |
59 | (autoload 'mh-goto-cur-msg "mh-e") | |
60 | (autoload 'mh-update-sequences "mh-e") | |
61 | ||
62 | ;;; Autoload mh-mime | |
63 | (autoload 'mh-add-missing-mime-version-header "mh-mime") | |
64 | (autoload 'mh-mime-cleanup "mh-mime") | |
65 | (autoload 'mh-buffer-data "mh-mime" nil nil t) | |
66 | (autoload 'mh-make-buffer-data "mh-mime" nil nil) | |
67 | (autoload 'mh-mime-display "mh-mime") | |
68 | (autoload 'mh-display-smileys "mh-mime") | |
69 | (autoload 'mh-display-emphasis "mh-mime") | |
70 | ||
71 | ;;; Autoload mh-index | |
72 | (autoload 'mh-index-search "mh-index" | |
73 | "Perform an indexed search in an MH mail folder. | |
74 | ||
75 | FOLDER is searched with SEARCH-REGEXP and the results are presented in an MH-E | |
76 | folder. If FOLDER is \"+\" then mail in all folders are searched. Optional | |
77 | prefix argument NEW-BUFFER-FLAG decides whether the results are presented in a | |
78 | new buffer. This allows multiple search results to coexist. | |
79 | ||
80 | Four indexing programs are supported; if none of these are present, then grep | |
81 | is used. This function picks the first program that is available on your | |
82 | system. If you would prefer to use a different program, set the customization | |
83 | variable `mh-index-program' accordingly. | |
84 | ||
85 | The documentation for the following functions describes how to generate the | |
86 | index for each program: | |
87 | ||
88 | - `mh-swish++-execute-search' | |
89 | - `mh-swish-execute-search' | |
90 | - `mh-namazu-execute-search' | |
91 | - `mh-glimpse-execute-search'" | |
92 | t) | |
93 | ;;; These are here since their docstrings are needed before loading mh-index. | |
94 | (autoload 'mh-swish++-execute-search "mh-index" | |
95 | "Execute swish++ and read the results. | |
96 | ||
97 | In the examples below, replace /home/user/Mail with the path to your MH | |
98 | directory. | |
99 | ||
100 | First create the directory /home/user/Mail/.swish++. Then create the file | |
101 | /home/user/Mail/.swish++/swish++.conf with the following contents: | |
102 | ||
103 | IncludeMeta Bcc Cc Comments Content-Description From Keywords | |
104 | IncludeMeta Newsgroups Resent-To Subject To | |
105 | IncludeFile Mail [0-9]* | |
106 | IndexFile /home/user/Mail/.swish++/swish++.index | |
107 | ||
108 | Use the following command line to generate the swish index. Run this | |
109 | daily from cron: | |
110 | ||
111 | index -c /home/user/Mail/.swish++/swish++.conf /home/user/Mail | |
112 | ||
113 | On some systems (Debian GNU/Linux, for example), use index++ instead of index. | |
114 | ||
115 | FOLDER-PATH is the directory in which SEARCH-REGEXP is used to search." | |
116 | t) | |
117 | (autoload 'mh-swish-execute-search "mh-index" | |
118 | "Execute swish-e and read the results. | |
119 | ||
120 | In the examples below, replace /home/user/Mail with the path to your MH | |
121 | directory. | |
122 | ||
123 | First create the directory /home/user/Mail/.swish. Then create the file | |
124 | /home/user/Mail/.swish/config with the following contents: | |
125 | ||
126 | IndexDir /home/user/Mail | |
127 | IndexFile /home/user/Mail/.swish/index | |
128 | IndexName \"Mail Index\" | |
129 | IndexDescription \"Mail Index\" | |
130 | IndexPointer \"http://nowhere\" | |
131 | IndexAdmin \"nobody\" | |
132 | #MetaNames automatic | |
133 | IndexReport 3 | |
134 | FollowSymLinks no | |
135 | UseStemming no | |
136 | IgnoreTotalWordCountWhenRanking yes | |
137 | WordCharacters abcdefghijklmnopqrstuvwxyz0123456789- | |
138 | BeginCharacters abcdefghijklmnopqrstuvwxyz | |
139 | EndCharacters abcdefghijklmnopqrstuvwxyz0123456789 | |
140 | IgnoreLimit 50 1000 | |
141 | IndexComments 0 | |
142 | FileRules pathname contains /home/user/Mail/.swish | |
143 | FileRules filename is index | |
144 | FileRules filename is \..* | |
145 | FileRules filename is #.* | |
146 | FileRules filename is ,.* | |
147 | FileRules filename is .*~ | |
148 | ||
149 | If there are any directories you would like to ignore, append lines like the | |
150 | following to config: | |
151 | ||
152 | FileRules pathname contains /home/user/Mail/scripts | |
153 | ||
154 | Use the following command line to generate the swish index. Run this | |
155 | daily from cron: | |
156 | ||
157 | swish-e -c /home/user/Mail/.swish/config | |
158 | ||
159 | FOLDER-PATH is the directory in which SEARCH-REGEXP is used to search." | |
160 | t) | |
161 | (autoload 'mh-namazu-execute-search "mh-index" | |
162 | "Execute namazu and read the results. | |
163 | ||
164 | In the examples below, replace /home/user/Mail with the path to your MH | |
165 | directory. | |
166 | ||
167 | First create the directory /home/user/Mail/.namazu. Then create the file | |
168 | /home/user/Mail/.namazu/mknmzrc with the following contents: | |
169 | ||
170 | package conf; # Don't remove this line! | |
171 | $ADDRESS = 'user@localhost'; | |
172 | $ALLOW_FILE = \"[0-9]*\"; | |
173 | ||
174 | Use the following command line to generate the namazu index. Run this | |
175 | daily from cron: | |
176 | ||
177 | mknmz -f /home/user/Mail/.namazu/mknmzrc -O /home/user/Mail/.namazu \\ | |
178 | /home/user/Mail | |
179 | ||
180 | FOLDER-PATH is the directory in which SEARCH-REGEXP is used to search." | |
181 | t) | |
182 | (autoload 'mh-glimpse-execute-search "mh-index" | |
183 | "Execute glimpse and read the results. | |
184 | ||
185 | In the examples below, replace /home/user/Mail with the path to your MH | |
186 | directory. | |
187 | ||
188 | First create the directory /home/user/Mail/.glimpse. Then create the file | |
189 | /home/user/Mail/.glimpse/.glimpse_exclude with the following contents: | |
190 | ||
191 | */.* | |
192 | */#* | |
193 | */,* | |
194 | */*~ | |
195 | ^/home/user/Mail/.glimpse | |
196 | ||
197 | If there are any directories you would like to ignore, append lines like the | |
198 | following to .glimpse_exclude: | |
199 | ||
200 | ^/home/user/Mail/scripts | |
201 | ||
202 | Use the following command line to generate the glimpse index. Run this | |
203 | daily from cron: | |
204 | ||
205 | glimpseindex -H /home/user/Mail/.glimpse /home/user/Mail | |
206 | ||
207 | FOLDER-PATH is the directory in which SEARCH-REGEXP is used to search." | |
208 | t) | |
209 | ||
210 | ;;; Autoload mh-speed | |
211 | (autoload 'mh-speed-add-folder "mh-speed") | |
212 | ||
213 | ;;; Autoload mh-comp | |
214 | (autoload 'mh-reply "mh-comp" nil t) | |
a1b4049d | 215 | |
bdcfe844 BW |
216 | ;;; Other Autoloads |
217 | (autoload 'gnus-article-highlight-citation "gnus-cite") | |
a1b4049d | 218 | (autoload 'mail-header-end "sendmail") |
bdcfe844 BW |
219 | (autoload 'Info-goto-node "info") |
220 | (autoload 'font-lock-default-fontify-region "font-lock") | |
221 | (unless (fboundp 'make-hash-table) | |
222 | (autoload 'make-hash-table "cl")) | |
223 | ||
224 | ;; Is this XEmacs-land? | |
225 | (defvar mh-xemacs-flag (featurep 'xemacs) | |
226 | "Non-nil means the current Emacs is XEmacs.") | |
a1b4049d | 227 | |
c919c21a RS |
228 | ;;; Set for local environment: |
229 | ;;; mh-progs and mh-lib used to be set in paths.el, which tried to | |
230 | ;;; figure out at build time which of several possible directories MH | |
231 | ;;; was installed into. But if you installed MH after building Emacs, | |
232 | ;;; this would almost certainly be wrong, so now we do it at run time. | |
c26cf6c8 | 233 | |
c919c21a RS |
234 | (defvar mh-progs nil |
235 | "Directory containing MH commands, such as inc, repl, and rmm.") | |
c26cf6c8 | 236 | |
c919c21a RS |
237 | (defvar mh-lib nil |
238 | "Directory containing the MH library. | |
bdcfe844 | 239 | This directory contains, among other things, the components file.") |
ae3864d7 KH |
240 | |
241 | (defvar mh-lib-progs nil | |
242 | "Directory containing MH helper programs. | |
bdcfe844 | 243 | This directory contains, among other things, the mhl program.") |
ae3864d7 | 244 | |
bdcfe844 BW |
245 | (defvar mh-nmh-flag nil |
246 | "Non-nil means nmh is installed on this system instead of MH.") | |
c26cf6c8 | 247 | |
b6d4ab05 KH |
248 | ;;;###autoload |
249 | (put 'mh-progs 'risky-local-variable t) | |
250 | ;;;###autoload | |
251 | (put 'mh-lib 'risky-local-variable t) | |
ae3864d7 KH |
252 | ;;;###autoload |
253 | (put 'mh-lib-progs 'risky-local-variable t) | |
254 | ;;;###autoload | |
bdcfe844 BW |
255 | (put 'mh-nmh-flag 'risky-local-variable t) |
256 | ||
257 | ;;; Macro to generate correct code for different emacs variants | |
258 | ||
259 | (defmacro mh-mark-active-p (check-transient-mark-mode-flag) | |
260 | "A macro that expands into appropriate code in XEmacs and nil in GNU Emacs. | |
261 | In GNU Emacs if CHECK-TRANSIENT-MARK-MODE-FLAG is non-nil then check if | |
262 | variable `transient-mark-mode' is active." | |
263 | (cond (mh-xemacs-flag ;XEmacs | |
264 | `(and (boundp 'zmacs-regions) zmacs-regions (region-active-p))) | |
265 | ((not check-transient-mark-mode-flag) ;GNU Emacs | |
266 | `(and (boundp 'mark-active) mark-active)) | |
267 | (t ;GNU Emacs | |
268 | `(and (boundp 'transient-mark-mode) transient-mark-mode | |
269 | (boundp 'mark-active) mark-active)))) | |
b6d4ab05 | 270 | |
c919c21a | 271 | ;;; User preferences: |
c26cf6c8 | 272 | |
20f0de75 RS |
273 | (defgroup mh-buffer nil |
274 | "Layout of MH-E buffers" | |
275 | :prefix "mh-" | |
276 | :group 'mh) | |
277 | ||
bdcfe844 BW |
278 | (defcustom mh-tool-bar-reply-3-buttons-flag nil |
279 | "*Non-nil means use three buttons for reply commands in tool-bar. | |
280 | If you have room on your tool-bar because you are using a large font, you | |
281 | may set this variable to expand the single reply button into three buttons | |
282 | that won't lead to minibuffer prompt about who to reply to." | |
283 | :type 'boolean | |
284 | :group 'mh) | |
20f0de75 | 285 | |
bdcfe844 BW |
286 | (defcustom mh-tool-bar-search-function 'mh-search-folder |
287 | "*Function called by the tool-bar search button. | |
288 | See `mh-search-folder' and `mh-index-search' for details." | |
289 | :type '(choice (const mh-search-folder) | |
290 | (const mh-index-search) | |
291 | (function :tag "Other function")) | |
292 | :group 'mh) | |
293 | ||
294 | (defcustom mh-decode-mime-flag (not (not (locate-library "mm-decode"))) | |
295 | "*Non-nil means that Gnus is used to show MIME attachments with Gnus." | |
296 | :type 'boolean | |
297 | :group 'mh-buffer) | |
298 | ||
299 | (defcustom mh-auto-folder-collect-flag t | |
300 | "*Non-nil means immediate collect folder names in the background. | |
301 | If t, MH-E should start a background process to collect the names of all | |
302 | folders as soon as MH-E is first used." | |
20f0de75 RS |
303 | :type 'boolean |
304 | :group 'mh) | |
c26cf6c8 | 305 | |
bdcfe844 BW |
306 | (defcustom mh-recursive-folders-flag nil |
307 | "*Non-nil means that commands which operate on folders do so recursively." | |
20f0de75 RS |
308 | :type 'boolean |
309 | :group 'mh) | |
c26cf6c8 | 310 | |
bdcfe844 BW |
311 | (defcustom mh-adaptive-cmd-note-flag t |
312 | "*Non-nil means that the message number width is determined dynamically. | |
313 | This is done once when a folder is first opened by running scan on the last | |
314 | message of the folder. The message number for the last message is extracted | |
315 | and its width calculated. This width is used when calling `mh-set-cmd-note'. | |
316 | ||
317 | If you prefer fixed-width message numbers, set this variable to nil and call | |
318 | `mh-set-cmd-note' with the width specified by the scan format in | |
319 | `mh-scan-format-file'. For example, the default width is 4, so you would use | |
320 | \"(mh-set-cmd-note 4)\" if `mh-scan-format-file' were nil." | |
321 | :type 'boolean | |
322 | :group 'mh) | |
323 | ||
324 | (defcustom mh-clean-message-header-flag t | |
c26cf6c8 RS |
325 | "*Non-nil means clean headers of messages that are displayed or inserted. |
326 | The variables `mh-visible-headers' and `mh-invisible-headers' control what | |
20f0de75 RS |
327 | is removed." |
328 | :type 'boolean | |
329 | :group 'mh-buffer) | |
c26cf6c8 | 330 | |
20f0de75 | 331 | (defcustom mh-visible-headers nil |
bdcfe844 BW |
332 | "*Contains a regexp specifying the headers to keep when cleaning. |
333 | Only used if `mh-clean-message-header-flag' is non-nil. Setting this variable | |
20f0de75 RS |
334 | overrides `mh-invisible-headers'." |
335 | :type '(choice (const nil) regexp) | |
336 | :group 'mh-buffer) | |
c26cf6c8 | 337 | |
bdcfe844 BW |
338 | (defcustom mh-show-use-xface-flag (and window-system |
339 | (not (null (cond | |
340 | (mh-xemacs-flag | |
341 | (locate-library "x-face")) | |
342 | ((>= emacs-major-version 21) | |
343 | (locate-library "x-face-e21")) | |
344 | (t ;Emacs20 | |
345 | nil)))) | |
346 | (not (null (and (fboundp 'executable-find) | |
347 | (executable-find | |
348 | "uncompface"))))) | |
349 | "*Non-nil means display faces in `mh-show-mode' with external x-face package. | |
350 | It is available from ftp://ftp.jpl.org/pub/elisp/. Download it and put its | |
351 | files in the Emacs `load-path' and MH-E will invoke it automatically for you if | |
352 | this variable is non-nil. | |
353 | ||
354 | The `uncompface' binary is also required to be in the execute PATH. It can | |
355 | be obtained from: ftp://ftp.cs.indiana.edu/pub/faces/compface/compface.tar.Z" | |
356 | :type 'boolean | |
357 | :group 'mh-buffer) | |
358 | ||
359 | (defcustom mh-show-maximum-size 0 | |
360 | "*Maximum size of message (in bytes) to display automatically. | |
361 | Provides an opportunity to skip over large messages which may be slow to load. | |
362 | Use a value of 0 to display all messages automatically regardless of size." | |
363 | :type 'integer | |
364 | :group 'mh-buffer) | |
365 | ||
c26cf6c8 | 366 | (defvar mh-invisible-headers |
a1b4049d BW |
367 | (concat |
368 | "^" | |
369 | (let ((max-specpdl-size 1000)) ;workaround for insufficient default | |
370 | (regexp-opt | |
bdcfe844 BW |
371 | (append |
372 | (if (not mh-show-use-xface-flag) | |
373 | '("X-Face: ")) | |
374 | '( ;; RFC 822 | |
375 | "Received: " "Message-Id: " "Return-Path: " | |
376 | ;; RFC 2045 | |
377 | "Mime-Version" "Content-" | |
378 | ;; sendmail | |
379 | "X-Authentication-Warning: " "X-MIME-Autoconverted: " "From " | |
380 | "Status: " | |
381 | ;; X400 | |
382 | "X400-" "P1-Message-Id: " "Original-Encoded-Information-Types: " | |
383 | "P1-Recipient: " "P1-Content-Type: " "Ua-Content-Id: " | |
384 | ;; MH | |
385 | "Resent" "Prev-Resent" "Forwarded: " "Replied: " "Delivery-Date: " | |
386 | "In-Reply-To: " "Remailed-" "Via: " "Mail-from: " | |
387 | ;; gnus | |
388 | "X-Gnus-Mail-Source: " | |
389 | ;; MS Outlook | |
390 | "X-Priority: " "X-Msmail-" "X-MimeOLE: " "X-Apparently-From: " | |
391 | "Importance: " "Sensitivity: " "X-MS-TNEF-Correlator: " | |
392 | ;; Juno | |
393 | "X-Juno-" | |
394 | ;; Hotmail | |
395 | "X-OriginalArrivalTime: " "X-Originating-IP: " | |
396 | ;; Netscape/Mozilla | |
397 | "X-Accept-Language: " "X-Mozilla-Status: " | |
398 | ;; NTMail | |
399 | "X-Info: " "X-VSMLoop: " | |
400 | ;; News | |
401 | "NNTP-" "X-News: " | |
402 | ;; Mailman mailing list manager | |
403 | "List-" "X-Beenthere: " "X-Mailman-Version: " | |
404 | ;; Egroups/yahoogroups mailing list manager | |
405 | "X-eGroups-" "X-Apparently-To: " "Mailing-List: " "Delivered-To: " | |
406 | ;; SourceForge mailing list manager | |
407 | "X-Original-Date: " | |
408 | ;; Unknown mailing list managers | |
409 | "X-Mailing-List: " "X-Loop: " | |
410 | "List-Subscribe: " "List-Unsubscribe: " | |
411 | "X-List-Subscribe: " "X-List-Unsubscribe: " | |
412 | "X-Listserver: " "List-" "X-List-Host: " | |
413 | ;; Sieve filtering | |
414 | "X-Sieve: " | |
415 | ;; Spam | |
416 | "X-Spam-Status: " "X-Spam-Level: " "X-Spam-Score: " | |
417 | "X-SpamBouncer: " "X-SBClass: " "X-SBRule: " "X-SBNote: " | |
418 | "X-SBPass: " "X-Folder: " | |
419 | "X-Habeas-SWE-1: " "X-Habeas-SWE-2: " "X-Habeas-SWE-3: " | |
420 | "X-Habeas-SWE-4: " "X-Habeas-SWE-5: " "X-Habeas-SWE-6: " | |
421 | "X-Habeas-SWE-7: " "X-Habeas-SWE-8: " "X-Habeas-SWE-9: " | |
422 | ;; Worldtalk gateways | |
423 | "X-Wss-Id: " | |
424 | ;; User added | |
425 | "X-Qotd-" | |
426 | ;; Miscellaneous | |
427 | "X-Sender: " "X-Ack: " "Errors-To: " "Precedence: " "X-Message-Id" | |
428 | "X-From-Line" "X-Cron-Env: " "Delivery: " "X-Delivered" | |
429 | "X-Received: " "X-Vms-To: " "Xref: " "X-Request-" "X-UIDL: " | |
430 | "X-Orcl-Content-Type: " "X-Server-Uuid: " "X-Envelope-Sender: " | |
431 | "X-Envelope-To: " "Encoding: " "Old-Return-Path: " "Path: " | |
432 | "References: " "Lines: " "Autoforwarded: " "Bestservhost: " | |
433 | "X-pgp: " "X-Accept-Language: " "Priority: " "User-Agent: " | |
434 | "X-MIMETrack: " "X-Abuse-Info: " "X-Complaints-To: " | |
435 | "X-No-Archive: " "X-Original-Complaints-To: " | |
436 | "X-Original-Trace: " "X-Received-Date: " "X-Server-Date: " | |
437 | "X-Trace: " "X-UserInfo1: " "X-submission-address: " | |
438 | "X-Scanned-By")) | |
a1b4049d BW |
439 | t))) |
440 | "*Regexp matching lines in a message header that are not to be shown. | |
c26cf6c8 RS |
441 | If `mh-visible-headers' is non-nil, it is used instead to specify what |
442 | to keep.") | |
443 | ||
a1b4049d BW |
444 | ;;; Additional header fields that might someday be added: |
445 | ;;; "Sender: " "Reply-to: " | |
446 | ||
bdcfe844 | 447 | (defcustom mh-bury-show-buffer-flag t |
20f0de75 RS |
448 | "*Non-nil means that the displayed show buffer for a folder is buried." |
449 | :type 'boolean | |
450 | :group 'mh-buffer) | |
c26cf6c8 | 451 | |
a1b4049d BW |
452 | (defcustom mh-summary-height (or (and (fboundp 'frame-height) |
453 | (> (frame-height) 24) | |
454 | (min 10 (/ (frame-height) 6))) | |
455 | 4) | |
20f0de75 RS |
456 | "*Number of lines in MH-Folder window (including the mode line)." |
457 | :type 'integer | |
458 | :group 'mh-buffer) | |
c26cf6c8 | 459 | |
a1b4049d BW |
460 | ;; Use goto-addr if it was already loaded (which probably sets this |
461 | ;; variable to t), or if this variable is otherwise set to t. | |
bdcfe844 BW |
462 | (defcustom mh-show-use-goto-addr-flag (and (boundp 'goto-address-highlight-p) |
463 | goto-address-highlight-p) | |
464 | "*Non-nil means URLs and e-mail addresses are highlighted using goto-addr while in `mh-show-mode'." | |
a1b4049d BW |
465 | :type 'boolean |
466 | :group 'mh-buffer) | |
467 | ||
468 | (defvar mh-scan-msg-number-regexp "^ *\\([0-9]+\\)" | |
c26cf6c8 RS |
469 | "Regexp to find the number of a message in a scan line. |
470 | The message's number must be surrounded with \\( \\)") | |
471 | ||
bdcfe844 BW |
472 | (defvar mh-scan-msg-overflow-regexp "^\\?[0-9]" |
473 | "Regexp to find a scan line in which the message number overflowed. | |
474 | The message's number is left truncated in this case.") | |
475 | ||
476 | (defvar mh-scan-msg-format-regexp "%\\([0-9]*\\)(msg)" | |
477 | "Regexp to find message number width in an scan format. | |
478 | The message number width must be surrounded with \\( \\).") | |
479 | ||
480 | (defvar mh-scan-msg-format-string "%d" | |
481 | "Format string for width of the message number in a scan format. | |
482 | Use `0%d' for zero-filled message numbers.") | |
483 | ||
a1b4049d | 484 | (defvar mh-scan-msg-search-regexp "^[^0-9]*%d[^0-9]" |
c26cf6c8 RS |
485 | "Format string containing a regexp matching the scan listing for a message. |
486 | The desired message's number will be an argument to format.") | |
487 | ||
20f0de75 | 488 | (defcustom mhl-formfile nil |
c26cf6c8 | 489 | "*Name of format file to be used by mhl to show and print messages. |
bdcfe844 BW |
490 | A value of t means use the default format file. |
491 | nil means don't use mhl to format messages when showing; mhl is still used, | |
c26cf6c8 RS |
492 | with the default format file, to format messages when printing them. |
493 | The format used should specify a non-zero value for overflowoffset so | |
bdcfe844 | 494 | the message continues to conform to RFC 822 and MH-E can parse the headers." |
20f0de75 RS |
495 | :type '(choice (const nil) (const t) string) |
496 | :group 'mh) | |
b3470e4c | 497 | (put 'mhl-formfile 'info-file "mh-e") |
c26cf6c8 | 498 | |
a1b4049d BW |
499 | (defvar mh-decode-quoted-printable-have-mimedecode |
500 | (not (null (and (fboundp 'executable-find)(executable-find "mimedecode")))) | |
501 | "Whether the mimedecode command is installed on the system. | |
bdcfe844 BW |
502 | This sets the default value of variable `mh-decode-quoted-printable-flag' to |
503 | determine whether quoted-printable MIME parts are decoded by the mimedecode | |
504 | command when viewed in `mh-show'. The source code for mimedecode can be | |
505 | obtained from http://www.freesoft.org/CIE/FAQ/mimedeco.c") | |
a1b4049d | 506 | |
bdcfe844 | 507 | (defcustom mh-decode-quoted-printable-flag |
a1b4049d | 508 | mh-decode-quoted-printable-have-mimedecode |
bdcfe844 BW |
509 | "Non-nil means decode quoted-printable MIME part using mimedecode. |
510 | ||
511 | Determine whether to decode quoted-printable MIME parts in `mh-show' | |
512 | using mimedecode. | |
513 | ||
514 | Quoted printable content is translated to 8-bit characters in `mh-show' by | |
515 | the gnus' mm-decode library if it is available. Otherwise (and for certain | |
516 | cases mm-decode can't handle) this can be done using the 'mimedecode' | |
517 | command. Setting this variable indicates to use 'mimedecode' when | |
518 | mm-decode is not available or as a helper to it. The source code for | |
519 | mimedecode can usually be obtained from | |
520 | http://www.freesoft.org/CIE/FAQ/mimedeco.c" | |
a1b4049d BW |
521 | :type 'boolean |
522 | :group 'mh-buffer) | |
523 | ||
bdcfe844 BW |
524 | (defcustom mh-update-sequences-after-mh-show-flag t |
525 | "*Non-nil means `mh-update-sequence' is called from `mh-show-mode'. | |
a1b4049d BW |
526 | If set, `mh-update-sequence' is run every time a message is shown, telling |
527 | MH or nmh that this is your current message. It's useful, for example, to | |
528 | display MIME content using \"M-! mhshow RET\"" | |
529 | :type 'boolean | |
530 | :group 'mh-buffer) | |
531 | ||
532 | (defcustom mh-highlight-citation-p 'gnus | |
533 | "How to highlight citations in show buffers. | |
534 | The gnus method uses a different color for each indentation." | |
535 | :type '(choice (const :tag "Use gnus" gnus) | |
536 | (const :tag "Use font-lock" font-lock) | |
537 | (const :tag "Don't fontify" nil)) | |
538 | :group 'mh-buffer) | |
539 | ||
b6d4ab05 KH |
540 | (defvar mh-default-folder-for-message-function nil |
541 | "Function to select a default folder for refiling or Fcc. | |
542 | If set to a function, that function is called with no arguments by | |
543 | `\\[mh-refile-msg]' and `\\[mh-to-fcc]' to get a default when | |
544 | prompting the user for a folder. The function is called from within a | |
a1b4049d | 545 | `save-excursion', with point at the start of the message. It should |
b6d4ab05 KH |
546 | return the folder to offer as the refile or Fcc folder, as a string |
547 | with a leading `+' sign. It can also return an empty string to use no | |
bdcfe844 | 548 | default, or nil to calculate the default the usual way. |
b6d4ab05 KH |
549 | NOTE: This variable is not an ordinary hook; |
550 | It may not be a list of functions.") | |
551 | ||
b6d4ab05 KH |
552 | (defvar mh-show-buffer-mode-line-buffer-id "{show-%s} %d" |
553 | "Format string to produce `mode-line-buffer-identification' for show buffers. | |
554 | First argument is folder name. Second is message number.") | |
c26cf6c8 RS |
555 | |
556 | (defvar mh-cmd-note 4 | |
bdcfe844 BW |
557 | "Column to insert notation. |
558 | Use `mh-set-cmd-note' to modify it. | |
559 | This value may be dynamically updated if `mh-adaptive-cmd-note-flag' is | |
560 | non-nil and `mh-scan-format-file' is t. | |
561 | Note that the first column is column number 0.") | |
562 | (make-variable-buffer-local 'mh-cmd-note) | |
c26cf6c8 | 563 | |
b6d4ab05 KH |
564 | (defvar mh-note-seq "%" |
565 | "String whose first character is used to notate messages in a sequence.") | |
566 | ||
a1b4049d BW |
567 | (defvar mh-mail-header-separator "--------" |
568 | "*Line used by MH to separate headers from text in messages being composed. | |
569 | This variable should not be used directly in programs. Programs should use | |
570 | `mail-header-separator' instead. `mail-header-separator' is initialized to | |
571 | `mh-mail-header-separator' in `mh-letter-mode'; in other contexts, you may | |
572 | have to perform this initialization yourself. | |
573 | ||
574 | Do not make this a regexp as it may be the argument to `insert' and it is | |
575 | passed through `regexp-quote' before being used by functions like | |
576 | `re-search-forward'.") | |
577 | ||
bdcfe844 BW |
578 | ;;; Hooks |
579 | ||
580 | (defcustom mh-find-path-hook nil | |
581 | "Invoked by `mh-find-path' after reading the user's MH profile." | |
582 | :type 'hook | |
583 | :group 'mh-hook) | |
584 | ||
585 | (defcustom mh-show-hook nil | |
586 | "Invoked after \\<mh-folder-mode-map>`\\[mh-show]' shows a message." | |
587 | :type 'hook | |
588 | :group 'mh-hook) | |
589 | ||
590 | (defcustom mh-show-mode-hook nil | |
591 | "Invoked upon entry to `mh-show-mode'." | |
592 | :type 'hook | |
593 | :group 'mh-hook) | |
594 | ||
595 | ;; Variables for MIME display | |
596 | (defvar mh-globals-hash (make-hash-table) | |
597 | "Keeps track of MIME data on a per buffer basis.") | |
598 | ||
599 | (defvar mh-gnus-pgp-support-flag (not (not (locate-library "mml2015"))) | |
600 | "Non-nil means installed Gnus has PGP support.") | |
601 | ||
602 | (defvar mh-mm-inline-media-tests | |
603 | `(("image/jpeg" | |
604 | mm-inline-image | |
605 | (lambda (handle) | |
606 | (mm-valid-and-fit-image-p 'jpeg handle))) | |
607 | ("image/png" | |
608 | mm-inline-image | |
609 | (lambda (handle) | |
610 | (mm-valid-and-fit-image-p 'png handle))) | |
611 | ("image/gif" | |
612 | mm-inline-image | |
613 | (lambda (handle) | |
614 | (mm-valid-and-fit-image-p 'gif handle))) | |
615 | ("image/tiff" | |
616 | mm-inline-image | |
617 | (lambda (handle) | |
618 | (mm-valid-and-fit-image-p 'tiff handle)) ) | |
619 | ("image/xbm" | |
620 | mm-inline-image | |
621 | (lambda (handle) | |
622 | (mm-valid-and-fit-image-p 'xbm handle))) | |
623 | ("image/x-xbitmap" | |
624 | mm-inline-image | |
625 | (lambda (handle) | |
626 | (mm-valid-and-fit-image-p 'xbm handle))) | |
627 | ("image/xpm" | |
628 | mm-inline-image | |
629 | (lambda (handle) | |
630 | (mm-valid-and-fit-image-p 'xpm handle))) | |
631 | ("image/x-pixmap" | |
632 | mm-inline-image | |
633 | (lambda (handle) | |
634 | (mm-valid-and-fit-image-p 'xpm handle))) | |
635 | ("image/bmp" | |
636 | mm-inline-image | |
637 | (lambda (handle) | |
638 | (mm-valid-and-fit-image-p 'bmp handle))) | |
639 | ("image/x-portable-bitmap" | |
640 | mm-inline-image | |
641 | (lambda (handle) | |
642 | (mm-valid-and-fit-image-p 'pbm handle))) | |
643 | ("text/plain" mm-inline-text identity) | |
644 | ("text/enriched" mm-inline-text identity) | |
645 | ("text/richtext" mm-inline-text identity) | |
646 | ("text/x-patch" mm-display-patch-inline | |
647 | (lambda (handle) | |
648 | (locate-library "diff-mode"))) | |
649 | ("application/emacs-lisp" mm-display-elisp-inline identity) | |
650 | ("application/x-emacs-lisp" mm-display-elisp-inline identity) | |
651 | ("text/html" | |
652 | ,(if (fboundp 'mm-inline-text-html) 'mm-inline-text-html 'mm-inline-text) | |
653 | (lambda (handle) | |
654 | (or (and (boundp 'mm-inline-text-html-renderer) | |
655 | mm-inline-text-html-renderer) | |
656 | (and (boundp 'mm-text-html-renderer) mm-text-html-renderer)))) | |
657 | ("text/x-vcard" | |
658 | mm-inline-text-vcard | |
659 | (lambda (handle) | |
660 | (or (featurep 'vcard) | |
661 | (locate-library "vcard")))) | |
662 | ("message/delivery-status" mm-inline-text identity) | |
663 | ("message/rfc822" mh-mm-inline-message identity) | |
664 | ;("message/partial" mm-inline-partial identity) | |
665 | ;("message/external-body" mm-inline-external-body identity) | |
666 | ("text/.*" mm-inline-text identity) | |
667 | ("audio/wav" mm-inline-audio | |
668 | (lambda (handle) | |
669 | (and (or (featurep 'nas-sound) (featurep 'native-sound)) | |
670 | (device-sound-enabled-p)))) | |
671 | ("audio/au" | |
672 | mm-inline-audio | |
673 | (lambda (handle) | |
674 | (and (or (featurep 'nas-sound) (featurep 'native-sound)) | |
675 | (device-sound-enabled-p)))) | |
676 | ("application/pgp-signature" ignore identity) | |
677 | ("application/x-pkcs7-signature" ignore identity) | |
678 | ("application/pkcs7-signature" ignore identity) | |
679 | ("application/x-pkcs7-mime" ignore identity) | |
680 | ("application/pkcs7-mime" ignore identity) | |
681 | ("multipart/alternative" ignore identity) | |
682 | ("multipart/mixed" ignore identity) | |
683 | ("multipart/related" ignore identity) | |
684 | ;; Disable audio and image | |
685 | ("audio/.*" ignore ignore) | |
686 | ("image/.*" ignore ignore) | |
687 | ;; Default to displaying as text | |
688 | (".*" mm-inline-text mm-readable-p)) | |
689 | "Alist of media types/tests saying whether types can be displayed inline.") | |
690 | ||
691 | ;; Needed by mh-comp.el and mh-mime.el | |
692 | (defvar mh-mhn-compose-insert-flag nil | |
693 | "Non-nil means MIME insertion was done. | |
694 | Triggers an automatic call to `mh-edit-mhn' in `mh-send-letter'. | |
695 | This variable is buffer-local.") | |
696 | (make-variable-buffer-local 'mh-mhn-compose-insert-flag) | |
697 | ||
698 | (defvar mh-mml-compose-insert-flag nil | |
699 | "Non-nil means that a MIME insertion was done. | |
700 | This buffer-local variable is used to remember if a MIME insertion was done. | |
701 | Triggers an automatic call to `mh-mml-to-mime' in `mh-send-letter'.") | |
702 | (make-variable-buffer-local 'mh-mml-compose-insert-flag) | |
703 | ||
a1b4049d | 704 | (defun mh-in-header-p () |
bdcfe844 | 705 | "Return non-nil if the point is in the header of a draft message." |
a1b4049d BW |
706 | (< (point) (mail-header-end))) |
707 | ||
708 | (defun mh-header-field-end () | |
bdcfe844 BW |
709 | "Move to the end of the current header field. |
710 | Handles RFC 822 continuation lines." | |
a1b4049d BW |
711 | (forward-line 1) |
712 | (while (looking-at "^[ \t]") | |
713 | (forward-line 1)) | |
714 | (backward-char 1)) ;to end of previous line | |
715 | ||
716 | (defun mh-letter-header-font-lock (limit) | |
717 | "Return the entire mail header to font-lock. | |
718 | Argument LIMIT limits search." | |
719 | (if (= (point) limit) | |
720 | nil | |
721 | (let* ((mail-header-end (save-match-data (mail-header-end))) | |
722 | (lesser-limit (if (< mail-header-end limit) mail-header-end limit))) | |
723 | (when (mh-in-header-p) | |
724 | (set-match-data (list 1 lesser-limit)) | |
725 | (goto-char lesser-limit) | |
726 | t)))) | |
727 | ||
728 | (defun mh-header-field-font-lock (field limit) | |
729 | "Return the value of a header field FIELD to font-lock. | |
730 | Argument LIMIT limits search." | |
731 | (if (= (point) limit) | |
732 | nil | |
733 | (let* ((mail-header-end (mail-header-end)) | |
734 | (lesser-limit (if (< mail-header-end limit) mail-header-end limit)) | |
735 | (case-fold-search t)) | |
736 | (when (and (< (point) mail-header-end) ;Only within header | |
737 | (re-search-forward (format "^%s" field) lesser-limit t)) | |
738 | (let ((match-one-b (match-beginning 0)) | |
739 | (match-one-e (match-end 0))) | |
740 | (mh-header-field-end) | |
741 | (if (> (point) limit) ;Don't search for end beyond limit | |
742 | (goto-char limit)) | |
743 | (set-match-data (list match-one-b match-one-e | |
744 | (1+ match-one-e) (point))) | |
745 | t))))) | |
746 | ||
747 | (defun mh-header-to-font-lock (limit) | |
bdcfe844 BW |
748 | "Return the value of a header field To to font-lock. |
749 | Argument LIMIT limits search." | |
a1b4049d BW |
750 | (mh-header-field-font-lock "To:" limit)) |
751 | ||
752 | (defun mh-header-cc-font-lock (limit) | |
bdcfe844 BW |
753 | "Return the value of a header field cc to font-lock. |
754 | Argument LIMIT limits search." | |
a1b4049d BW |
755 | (mh-header-field-font-lock "cc:" limit)) |
756 | ||
757 | (defun mh-header-subject-font-lock (limit) | |
bdcfe844 BW |
758 | "Return the value of a header field Subject to font-lock. |
759 | Argument LIMIT limits search." | |
a1b4049d BW |
760 | (mh-header-field-font-lock "Subject:" limit)) |
761 | ||
762 | (defvar mh-show-to-face 'mh-show-to-face | |
763 | "Face for highlighting the To: header field.") | |
764 | (if (boundp 'facemenu-unlisted-faces) | |
765 | (add-to-list 'facemenu-unlisted-faces "^mh-show")) | |
766 | (defface mh-show-to-face | |
767 | '((((class grayscale) (background light)) | |
768 | (:foreground "DimGray" :underline t)) | |
769 | (((class grayscale) (background dark)) | |
770 | (:foreground "LightGray" :underline t)) | |
771 | (((class color) (background light)) (:foreground "SaddleBrown")) | |
772 | (((class color) (background dark)) (:foreground "burlywood")) | |
773 | (t (:underline t))) | |
774 | "Face for highlighting the To: header field." | |
775 | :group 'mh-buffer) | |
776 | ||
777 | (defvar mh-show-from-face 'mh-show-from-face | |
778 | "Face for highlighting the From: header field.") | |
779 | (defface mh-show-from-face | |
780 | '((((class color) (background light)) | |
781 | (:foreground "red3")) | |
782 | (((class color) (background dark)) | |
783 | (:foreground "cyan")) | |
784 | (t | |
785 | (:bold t))) | |
786 | "Face for highlighting the From: header field." | |
787 | :group 'mh-buffer) | |
788 | ||
789 | (defvar mh-folder-subject-face 'mh-folder-subject-face | |
790 | "Face for highlighting subject text in MH-Folder buffers.") | |
791 | (if (boundp 'facemenu-unlisted-faces) | |
792 | (add-to-list 'facemenu-unlisted-faces "^mh-folder")) | |
793 | (defface mh-folder-subject-face | |
794 | '((((class color) (background light)) | |
795 | (:foreground "blue4")) | |
796 | (((class color) (background dark)) | |
797 | (:foreground "yellow")) | |
798 | (t | |
799 | (:bold t))) | |
800 | "Face for highlighting subject text in MH-Folder buffers." | |
801 | :group 'mh) | |
802 | (defvar mh-show-subject-face 'mh-show-subject-face | |
803 | "Face for highlighting the Subject header field.") | |
804 | (copy-face 'mh-folder-subject-face 'mh-show-subject-face) | |
805 | ||
bdcfe844 BW |
806 | (defvar mh-show-cc-face 'mh-show-cc-face |
807 | "Face for highlighting cc header fields.") | |
808 | (defface mh-show-cc-face | |
809 | '((((type tty) (class color)) (:foreground "yellow" :weight light)) | |
810 | (((class grayscale) (background light)) | |
811 | (:foreground "Gray90" :bold t :italic t)) | |
812 | (((class grayscale) (background dark)) | |
813 | (:foreground "DimGray" :bold t :italic t)) | |
814 | (((class color) (background light)) (:foreground "DarkGoldenrod")) | |
815 | (((class color) (background dark)) (:foreground "LightGoldenrod")) | |
816 | (t (:bold t :italic t))) | |
817 | "Face for highlighting cc header fields." | |
818 | :group 'mh-buffer) | |
819 | ||
820 | (defvar mh-show-date-face 'mh-show-date-face | |
821 | "Face for highlighting the Date header field.") | |
822 | (defface mh-show-date-face | |
823 | '((((type tty) (class color)) (:foreground "green")) | |
824 | (((class grayscale) (background light)) (:foreground "Gray90" :bold t)) | |
825 | (((class grayscale) (background dark)) (:foreground "DimGray" :bold t)) | |
826 | (((class color) (background light)) (:foreground "ForestGreen")) | |
827 | (((class color) (background dark)) (:foreground "PaleGreen")) | |
828 | (t (:bold t :underline t))) | |
829 | "Face for highlighting the Date header field." | |
830 | :group 'mh-buffer) | |
831 | ||
832 | (defvar mh-show-header-face 'mh-show-header-face | |
833 | "Face used to deemphasize unspecified header fields.") | |
834 | (defface mh-show-header-face | |
835 | '((((type tty) (class color)) (:foreground "green")) | |
836 | (((class grayscale) (background light)) (:foreground "DimGray" :italic t)) | |
837 | (((class grayscale) (background dark)) (:foreground "LightGray" :italic t)) | |
838 | (((class color) (background light)) (:foreground "RosyBrown")) | |
839 | (((class color) (background dark)) (:foreground "LightSalmon")) | |
840 | (t (:italic t))) | |
841 | "Face used to deemphasize unspecified header fields." | |
842 | :group 'mh-buffer) | |
843 | ||
844 | (eval-and-compile | |
845 | ;; Otherwise byte-compilation fails on `mh-show-font-lock-keywords-with-cite' | |
846 | (defvar mh-show-font-lock-keywords | |
847 | '(("^\\(From:\\|Sender:\\)\\(.*\\)" (1 'default) (2 mh-show-from-face)) | |
848 | (mh-header-to-font-lock (0 'default) (1 mh-show-to-face)) | |
849 | (mh-header-cc-font-lock (0 'default) (1 mh-show-cc-face)) | |
850 | ("^\\(Reply-To:\\|Return-Path:\\)\\(.*\\)$" | |
851 | (1 'default) (2 mh-show-from-face)) | |
852 | (mh-header-subject-font-lock (0 'default) (1 mh-show-subject-face)) | |
853 | ("^\\(Apparently-To:\\|Newsgroups:\\)\\(.*\\)" | |
854 | (1 'default) (2 mh-show-cc-face)) | |
855 | ("^\\(In-reply-to\\|Date\\):\\(.*\\)$" | |
856 | (1 'default) (2 mh-show-date-face)) | |
857 | (mh-letter-header-font-lock (0 mh-show-header-face append t))) | |
858 | "Additional expressions to highlight in MH-show mode.")) | |
859 | ||
860 | (defvar mh-show-font-lock-keywords-with-cite | |
861 | (eval-when-compile | |
862 | (let* ((cite-chars "[>|}]") | |
863 | (cite-prefix "A-Za-z") | |
864 | (cite-suffix (concat cite-prefix "0-9_.@-`'\""))) | |
865 | (append | |
866 | mh-show-font-lock-keywords | |
867 | (list | |
868 | ;; Use MATCH-ANCHORED to effectively anchor the regexp left side. | |
869 | `(,cite-chars | |
870 | (,(concat "\\=[ \t]*" | |
871 | "\\(\\([" cite-prefix "]+[" cite-suffix "]*\\)?" | |
872 | "\\(" cite-chars "[ \t]*\\)\\)+" | |
873 | "\\(.*\\)") | |
874 | (beginning-of-line) (end-of-line) | |
875 | (2 font-lock-constant-face nil t) | |
876 | (4 font-lock-comment-face nil t))))))) | |
877 | "Additional expressions to highlight in MH-show mode.") | |
878 | ||
879 | (defun mh-show-font-lock-fontify-region (beg end loudly) | |
880 | "Limit font-lock in `mh-show-mode' to the header. | |
881 | Used when `mh-highlight-citation-p' is set to gnus, leaving the body to be | |
882 | dealt with by gnus highlighting. The region between BEG and END is | |
883 | given over to be fontified and LOUDLY controls if a user sees a | |
884 | message about the fontification operation." | |
885 | (let ((header-end (mail-header-end))) | |
886 | (cond | |
887 | ((and (< beg header-end)(< end header-end)) | |
888 | (font-lock-default-fontify-region beg end loudly)) | |
889 | ((and (< beg header-end)(>= end header-end)) | |
890 | (font-lock-default-fontify-region beg header-end loudly)) | |
891 | (t | |
892 | nil)))) | |
893 | ||
894 | ;; Needed to help shush the byte-compiler. | |
895 | (if mh-xemacs-flag | |
896 | (progn | |
897 | (eval-and-compile | |
898 | (require 'gnus) | |
899 | (require 'gnus-art) | |
900 | (require 'gnus-cite)))) | |
a1b4049d BW |
901 | |
902 | (defun mh-gnus-article-highlight-citation () | |
903 | "Highlight cited text in current buffer using gnus." | |
904 | (interactive) | |
bdcfe844 BW |
905 | ;; Requiring gnus-cite should have been sufficient. However for Emacs21.1, |
906 | ;; recursive-load-depth-limit is only 10, so an error occurs. Also it may be | |
907 | ;; better to have an autoload at top-level (though that won't work because | |
908 | ;; of recursive-load-depth-limit). That gets rid of a compiler warning as | |
909 | ;; well. | |
910 | (unless mh-xemacs-flag | |
911 | (require 'gnus-art) | |
912 | (require 'gnus-cite)) | |
913 | ;; Don't allow Gnus to create buttons while highlighting, maybe this is bad | |
914 | ;; style? | |
915 | (flet ((gnus-article-add-button (&rest args) nil)) | |
916 | (let* ((modified (buffer-modified-p)) | |
917 | (gnus-article-buffer (buffer-name)) | |
918 | (gnus-cite-face-list `(,@(cdr gnus-cite-face-list) | |
919 | ,(car gnus-cite-face-list)))) | |
920 | (gnus-article-highlight-citation t) | |
921 | (set-buffer-modified-p modified)))) | |
a1b4049d | 922 | |
b6d4ab05 KH |
923 | ;;; Internal bookkeeping variables: |
924 | ||
925 | ;; The value of `mh-folder-list-change-hook' is called whenever | |
926 | ;; mh-folder-list variable is set. | |
a1b4049d BW |
927 | ;; List of folder names for completion. |
928 | (defvar mh-folder-list nil) | |
b6d4ab05 KH |
929 | |
930 | ;; Cached value of the `Path:' component in the user's MH profile. | |
a1b4049d BW |
931 | ;; User's mail folder directory. |
932 | (defvar mh-user-path nil) | |
c26cf6c8 | 933 | |
bdcfe844 | 934 | ;; An mh-draft-folder of nil means do not use a draft folder. |
b6d4ab05 | 935 | ;; Cached value of the `Draft-Folder:' component in the user's MH profile. |
a1b4049d BW |
936 | ;; Name of folder containing draft messages. |
937 | (defvar mh-draft-folder nil) | |
c26cf6c8 | 938 | |
b6d4ab05 | 939 | ;; Cached value of the `Unseen-Sequence:' component in the user's MH profile. |
a1b4049d BW |
940 | ;; Name of the Unseen sequence. |
941 | (defvar mh-unseen-seq nil) | |
c26cf6c8 | 942 | |
a1b4049d BW |
943 | ;; Cached value of the `Previous-Sequence:' component in the user's MH |
944 | ;; profile. | |
945 | ;; Name of the Previous sequence. | |
946 | (defvar mh-previous-seq nil) | |
c26cf6c8 | 947 | |
b6d4ab05 KH |
948 | ;; Cached value of the `Inbox:' component in the user's MH profile, |
949 | ;; or "+inbox" if no such component. | |
a1b4049d BW |
950 | ;; Name of the Inbox folder. |
951 | (defvar mh-inbox nil) | |
c26cf6c8 | 952 | |
bdcfe844 | 953 | ;; Name of MH-E scratch buffer. |
a1b4049d | 954 | (defconst mh-temp-buffer " *mh-temp*") |
c26cf6c8 | 955 | |
bdcfe844 | 956 | ;; Name of the MH-E folder list buffer. |
a1b4049d BW |
957 | (defconst mh-temp-folders-buffer "*Folders*") |
958 | ||
bdcfe844 | 959 | ;; Name of the MH-E sequences list buffer. |
a1b4049d BW |
960 | (defconst mh-temp-sequences-buffer "*Sequences*") |
961 | ||
bdcfe844 | 962 | ;; Window configuration before MH-E command. |
a1b4049d BW |
963 | (defvar mh-previous-window-config nil) |
964 | ||
965 | ;;Non-nil means next SPC or whatever goes to next undeleted message. | |
bdcfe844 | 966 | (defvar mh-page-to-next-msg-flag nil) |
c26cf6c8 | 967 | |
b6d4ab05 | 968 | ;;; Internal variables local to a folder. |
c26cf6c8 | 969 | |
a1b4049d BW |
970 | ;; Name of current folder, a string. |
971 | (defvar mh-current-folder nil) | |
c26cf6c8 | 972 | |
a1b4049d BW |
973 | ;; Buffer that displays message for this folder. |
974 | (defvar mh-show-buffer nil) | |
c26cf6c8 | 975 | |
a1b4049d BW |
976 | ;; Full path of directory for this folder. |
977 | (defvar mh-folder-filename nil) | |
b3470e4c | 978 | |
a1b4049d BW |
979 | ;;Number of msgs in buffer. |
980 | (defvar mh-msg-count nil) | |
c26cf6c8 | 981 | |
a1b4049d BW |
982 | ;; If non-nil, show the message in a separate window. |
983 | (defvar mh-showing-mode nil) | |
c26cf6c8 | 984 | |
bdcfe844 BW |
985 | (defvar mh-show-mode-map (make-sparse-keymap) |
986 | "Keymap used by the show buffer.") | |
987 | ||
988 | (defvar mh-show-folder-buffer nil | |
989 | "Keeps track of folder whose message is being displayed.") | |
990 | ||
b6d4ab05 | 991 | ;;; This holds a documentation string used by describe-mode. |
a1b4049d BW |
992 | (defun mh-showing-mode (&optional arg) |
993 | "Change whether messages should be displayed. | |
994 | With arg, display messages iff ARG is positive." | |
995 | (setq mh-showing-mode | |
996 | (if (null arg) | |
997 | (not mh-showing-mode) | |
998 | (> (prefix-numeric-value arg) 0)))) | |
b6d4ab05 | 999 | |
a1b4049d BW |
1000 | ;; The sequences of this folder. An alist of (seq . msgs). |
1001 | (defvar mh-seq-list nil) | |
b6d4ab05 | 1002 | |
a1b4049d BW |
1003 | ;; List of displayed messages to be removed from the Unseen sequence. |
1004 | (defvar mh-seen-list nil) | |
b6d4ab05 KH |
1005 | |
1006 | ;; If non-nil, show buffer contains message with all headers. | |
1007 | ;; If nil, show buffer contains message processed normally. | |
a1b4049d BW |
1008 | ;; Showing message with headers or normally. |
1009 | (defvar mh-showing-with-headers nil) | |
c26cf6c8 RS |
1010 | |
1011 | ||
bdcfe844 | 1012 | ;;; MH-E macros |
c919c21a | 1013 | |
bdcfe844 BW |
1014 | (defmacro with-mh-folder-updating (save-modification-flag &rest body) |
1015 | "Format is (with-mh-folder-updating (SAVE-MODIFICATION-FLAG) &body BODY). | |
1016 | Execute BODY, which can modify the folder buffer without having to | |
1017 | worry about file locking or the read-only flag, and return its result. | |
1018 | If SAVE-MODIFICATION-FLAG is non-nil, the buffer's modification | |
1019 | flag is unchanged, otherwise it is cleared." | |
1020 | (setq save-modification-flag (car save-modification-flag)) ; CL style | |
b787fc05 GM |
1021 | `(prog1 |
1022 | (let ((mh-folder-updating-mod-flag (buffer-modified-p)) | |
1023 | (buffer-read-only nil) | |
1024 | (buffer-file-name nil)) ;don't let the buffer get locked | |
1025 | (prog1 | |
1026 | (progn | |
1027 | ,@body) | |
1028 | (mh-set-folder-modified-p mh-folder-updating-mod-flag))) | |
bdcfe844 | 1029 | ,@(if (not save-modification-flag) |
b787fc05 | 1030 | '((mh-set-folder-modified-p nil))))) |
c919c21a RS |
1031 | |
1032 | (put 'with-mh-folder-updating 'lisp-indent-hook 1) | |
1033 | ||
1034 | (defmacro mh-in-show-buffer (show-buffer &rest body) | |
bdcfe844 BW |
1035 | "Format is (mh-in-show-buffer (SHOW-BUFFER) &body BODY). |
1036 | Display buffer SHOW-BUFFER in other window and execute BODY in it. | |
1037 | Stronger than `save-excursion', weaker than `save-window-excursion'." | |
c919c21a | 1038 | (setq show-buffer (car show-buffer)) ; CL style |
b787fc05 GM |
1039 | `(let ((mh-in-show-buffer-saved-window (selected-window))) |
1040 | (switch-to-buffer-other-window ,show-buffer) | |
bdcfe844 | 1041 | (if mh-bury-show-buffer-flag (bury-buffer (current-buffer))) |
b787fc05 GM |
1042 | (unwind-protect |
1043 | (progn | |
1044 | ,@body) | |
1045 | (select-window mh-in-show-buffer-saved-window)))) | |
c919c21a RS |
1046 | |
1047 | (put 'mh-in-show-buffer 'lisp-indent-hook 1) | |
1048 | ||
bdcfe844 BW |
1049 | (defmacro mh-make-seq (name msgs) |
1050 | "Create sequence NAME with the given MSGS." | |
1051 | (list 'cons name msgs)) | |
1052 | ||
1053 | (defmacro mh-seq-name (sequence) | |
1054 | "Extract sequence name from the given SEQUENCE." | |
1055 | (list 'car sequence)) | |
1056 | ||
1057 | (defmacro mh-seq-msgs (sequence) | |
1058 | "Extract messages from the given SEQUENCE." | |
1059 | (list 'cdr sequence)) | |
1060 | ||
1061 | (defun mh-recenter (arg) | |
1062 | "Like recenter but with three improvements: | |
1063 | - At the end of the buffer it tries to show fewer empty lines. | |
1064 | - operates only if the current buffer is in the selected window. | |
1065 | (Commands like `save-some-buffers' can make this false.) | |
1066 | - nil ARG means recenter as if prefix argument had been given." | |
1067 | (cond ((not (eq (get-buffer-window (current-buffer)) (selected-window))) | |
1068 | nil) | |
1069 | ((= (point-max) (save-excursion | |
1070 | (forward-line (- (/ (window-height) 2) 2)) | |
1071 | (point))) | |
1072 | (let ((lines-from-end 2)) | |
1073 | (save-excursion | |
1074 | (while (> (point-max) (progn (forward-line) (point))) | |
1075 | (incf lines-from-end))) | |
1076 | (recenter (- lines-from-end)))) | |
1077 | ;; '(4) is the same as C-u prefix argument. | |
1078 | (t (recenter (or arg '(4)))))) | |
1079 | ||
1080 | (defun mh-start-of-uncleaned-message () | |
1081 | "Position uninteresting headers off the top of the window." | |
1082 | (let ((case-fold-search t)) | |
1083 | (re-search-forward | |
1084 | "^To:\\|^Cc:\\|^From:\\|^Subject:\\|^Date:" nil t) | |
1085 | (beginning-of-line) | |
1086 | (mh-recenter 0))) | |
1087 | ||
1088 | (defun mh-invalidate-show-buffer () | |
1089 | "Invalidate the show buffer so we must update it to use it." | |
1090 | (if (get-buffer mh-show-buffer) | |
1091 | (save-excursion | |
1092 | (set-buffer mh-show-buffer) | |
1093 | (mh-unvisit-file)))) | |
1094 | ||
1095 | (defun mh-unvisit-file () | |
1096 | "Separate current buffer from the message file it was visiting." | |
1097 | (or (not (buffer-modified-p)) | |
1098 | (null buffer-file-name) ;we've been here before | |
1099 | (yes-or-no-p (format "Message %s modified; flush changes? " | |
1100 | (file-name-nondirectory buffer-file-name))) | |
1101 | (error "Flushing changes not confirmed")) | |
1102 | (clear-visited-file-modtime) | |
1103 | (unlock-buffer) | |
1104 | (setq buffer-file-name nil)) | |
1105 | ||
1106 | (defun mh-get-msg-num (error-if-no-message) | |
1107 | "Return the message number of the displayed message. | |
1108 | If the argument ERROR-IF-NO-MESSAGE is non-nil, then complain if the cursor is | |
1109 | not pointing to a message." | |
1110 | (save-excursion | |
1111 | (beginning-of-line) | |
1112 | (cond ((looking-at mh-scan-msg-number-regexp) | |
1113 | (string-to-int (buffer-substring (match-beginning 1) | |
1114 | (match-end 1)))) | |
1115 | (error-if-no-message | |
1116 | (error "Cursor not pointing to message")) | |
1117 | (t nil)))) | |
1118 | ||
1119 | (defun mh-folder-name-p (name) | |
1120 | "Return non-nil if NAME is the name of a folder. | |
1121 | A name (a string or symbol) can be a folder name if it begins with \"+\"." | |
1122 | (if (symbolp name) | |
1123 | (eq (aref (symbol-name name) 0) ?+) | |
1124 | (and (> (length name) 0) | |
1125 | (eq (aref name 0) ?+)))) | |
1126 | ||
1127 | ||
1128 | (defun mh-expand-file-name (filename &optional default) | |
1129 | "Expand FILENAME like `expand-file-name', but also handle MH folder names. | |
1130 | Any filename that starts with '+' is treated as a folder name. | |
1131 | See `expand-file-name' for description of DEFAULT." | |
1132 | (if (mh-folder-name-p filename) | |
1133 | (expand-file-name (substring filename 1) mh-user-path) | |
1134 | (expand-file-name filename default))) | |
b6d4ab05 | 1135 | |
c919c21a | 1136 | |
bdcfe844 BW |
1137 | (defun mh-msg-filename (msg &optional folder) |
1138 | "Return the file name of MSG in FOLDER (default current folder)." | |
1139 | (expand-file-name (int-to-string msg) | |
1140 | (if folder | |
1141 | (mh-expand-file-name folder) | |
1142 | mh-folder-filename))) | |
c919c21a | 1143 | |
bdcfe844 BW |
1144 | ;;; Infrastructure to generate show-buffer functions from folder functions |
1145 | ;;; XEmacs does not have deactivate-mark? What is the equivalent of | |
1146 | ;;; transient-mark-mode for XEmacs? Should we be restoring the mark in the | |
1147 | ;;; folder buffer after the operation has been carried out. | |
1148 | (defmacro mh-defun-show-buffer (function original-function | |
1149 | &optional dont-return) | |
1150 | "Define FUNCTION to run ORIGINAL-FUNCTION in folder buffer. | |
1151 | If the buffer we start in is still visible and DONT-RETURN is nil then switch | |
1152 | to it after that." | |
1153 | `(defun ,function () | |
1154 | ,(format "Calls %s from the message's folder.\n%s\nSee `%s' for more info.\n" | |
1155 | original-function | |
1156 | (if dont-return "" | |
1157 | "When function completes, returns to the show buffer if it is | |
1158 | still visible.\n") | |
1159 | original-function) | |
1160 | (interactive) | |
1161 | (when (buffer-live-p (get-buffer mh-show-folder-buffer)) | |
1162 | (let ((config (current-window-configuration)) | |
1163 | (folder-buffer mh-show-folder-buffer) | |
1164 | (normal-exit nil) | |
1165 | ,@(if dont-return () '((cur-buffer-name (buffer-name))))) | |
1166 | (pop-to-buffer mh-show-folder-buffer nil) | |
1167 | (unless (equal (buffer-name | |
1168 | (window-buffer (frame-first-window (selected-frame)))) | |
1169 | folder-buffer) | |
1170 | (delete-other-windows)) | |
1171 | (mh-goto-cur-msg t) | |
1172 | (and (fboundp 'deactivate-mark) (deactivate-mark)) | |
1173 | (unwind-protect | |
1174 | (prog1 (call-interactively (function ,original-function)) | |
1175 | (setq normal-exit t)) | |
1176 | (and (fboundp 'deactivate-mark) (deactivate-mark)) | |
1177 | (cond ((not normal-exit) | |
1178 | (set-window-configuration config)) | |
1179 | ,(if dont-return | |
1180 | `(t (setq mh-previous-window-config config)) | |
1181 | `((and (get-buffer cur-buffer-name) | |
1182 | (window-live-p (get-buffer-window | |
1183 | (get-buffer cur-buffer-name)))) | |
1184 | (pop-to-buffer (get-buffer cur-buffer-name) nil))))))))) | |
1185 | ||
1186 | ;;; Generate interactive functions for the show buffer from the corresponding | |
1187 | ;;; folder functions. | |
1188 | (mh-defun-show-buffer mh-show-previous-undeleted-msg | |
1189 | mh-previous-undeleted-msg) | |
1190 | (mh-defun-show-buffer mh-show-next-undeleted-msg | |
1191 | mh-next-undeleted-msg) | |
1192 | (mh-defun-show-buffer mh-show-quit mh-quit) | |
1193 | (mh-defun-show-buffer mh-show-delete-msg mh-delete-msg) | |
1194 | (mh-defun-show-buffer mh-show-refile-msg mh-refile-msg) | |
1195 | (mh-defun-show-buffer mh-show-undo mh-undo) | |
1196 | (mh-defun-show-buffer mh-show-execute-commands mh-execute-commands) | |
1197 | (mh-defun-show-buffer mh-show-reply mh-reply t) | |
1198 | (mh-defun-show-buffer mh-show-redistribute mh-redistribute) | |
1199 | (mh-defun-show-buffer mh-show-forward mh-forward t) | |
1200 | (mh-defun-show-buffer mh-show-header-display mh-header-display) | |
1201 | (mh-defun-show-buffer mh-show-refile-or-write-again | |
1202 | mh-refile-or-write-again) | |
1203 | (mh-defun-show-buffer mh-show-show mh-show) | |
1204 | (mh-defun-show-buffer mh-show-write-message-to-file | |
1205 | mh-write-msg-to-file) | |
1206 | (mh-defun-show-buffer mh-show-extract-rejected-mail | |
1207 | mh-extract-rejected-mail t) | |
1208 | (mh-defun-show-buffer mh-show-delete-msg-no-motion | |
1209 | mh-delete-msg-no-motion) | |
1210 | (mh-defun-show-buffer mh-show-first-msg mh-first-msg) | |
1211 | (mh-defun-show-buffer mh-show-last-msg mh-last-msg) | |
1212 | (mh-defun-show-buffer mh-show-copy-msg mh-copy-msg) | |
1213 | (mh-defun-show-buffer mh-show-edit-again mh-edit-again t) | |
1214 | (mh-defun-show-buffer mh-show-goto-msg mh-goto-msg) | |
1215 | (mh-defun-show-buffer mh-show-inc-folder mh-inc-folder) | |
1216 | (mh-defun-show-buffer mh-show-delete-subject | |
1217 | mh-delete-subject) | |
1218 | (mh-defun-show-buffer mh-show-print-msg mh-print-msg) | |
1219 | (mh-defun-show-buffer mh-show-send mh-send t) | |
1220 | (mh-defun-show-buffer mh-show-toggle-showing mh-toggle-showing t) | |
1221 | (mh-defun-show-buffer mh-show-pipe-msg mh-pipe-msg t) | |
1222 | (mh-defun-show-buffer mh-show-sort-folder mh-sort-folder) | |
1223 | (mh-defun-show-buffer mh-show-visit-folder mh-visit-folder t) | |
1224 | (mh-defun-show-buffer mh-show-rescan-folder mh-rescan-folder) | |
1225 | (mh-defun-show-buffer mh-show-pack-folder mh-pack-folder) | |
1226 | (mh-defun-show-buffer mh-show-kill-folder mh-kill-folder t) | |
1227 | (mh-defun-show-buffer mh-show-list-folders mh-list-folders t) | |
1228 | (mh-defun-show-buffer mh-show-search-folder mh-search-folder t) | |
1229 | (mh-defun-show-buffer mh-show-undo-folder mh-undo-folder) | |
1230 | (mh-defun-show-buffer mh-show-delete-msg-from-seq | |
1231 | mh-delete-msg-from-seq) | |
1232 | (mh-defun-show-buffer mh-show-delete-seq mh-delete-seq) | |
1233 | (mh-defun-show-buffer mh-show-list-sequences mh-list-sequences) | |
1234 | (mh-defun-show-buffer mh-show-narrow-to-seq mh-narrow-to-seq) | |
1235 | (mh-defun-show-buffer mh-show-put-msg-in-seq mh-put-msg-in-seq) | |
1236 | (mh-defun-show-buffer mh-show-msg-is-in-seq mh-msg-is-in-seq) | |
1237 | (mh-defun-show-buffer mh-show-widen mh-widen) | |
1238 | (mh-defun-show-buffer mh-show-narrow-to-subject | |
1239 | mh-narrow-to-subject) | |
1240 | (mh-defun-show-buffer mh-show-store-msg mh-store-msg) | |
1241 | (mh-defun-show-buffer mh-show-page-digest mh-page-digest) | |
1242 | (mh-defun-show-buffer mh-show-page-digest-backwards | |
1243 | mh-page-digest-backwards) | |
1244 | (mh-defun-show-buffer mh-show-burst-digest mh-burst-digest) | |
1245 | (mh-defun-show-buffer mh-show-page-msg mh-page-msg) | |
1246 | (mh-defun-show-buffer mh-show-previous-page mh-previous-page) | |
1247 | (mh-defun-show-buffer mh-show-modify mh-modify t) | |
1248 | (mh-defun-show-buffer mh-show-next-button mh-next-button) | |
1249 | (mh-defun-show-buffer mh-show-prev-button mh-prev-button) | |
1250 | (mh-defun-show-buffer mh-show-toggle-mime-part mh-folder-toggle-mime-part) | |
1251 | (mh-defun-show-buffer mh-show-save-mime-part mh-folder-save-mime-part) | |
1252 | (mh-defun-show-buffer mh-show-inline-mime-part mh-folder-inline-mime-part) | |
1253 | (mh-defun-show-buffer mh-show-toggle-threads mh-toggle-threads) | |
1254 | (mh-defun-show-buffer mh-show-update-sequences mh-update-sequences) | |
1255 | ||
1256 | ;;; Populate mh-show-mode-map | |
1257 | (gnus-define-keys mh-show-mode-map | |
1258 | " " mh-show-page-msg | |
1259 | "!" mh-show-refile-or-write-again | |
1260 | "," mh-show-header-display | |
1261 | "." mh-show-show | |
1262 | ">" mh-show-write-message-to-file | |
1263 | "?" mh-help | |
1264 | "E" mh-show-extract-rejected-mail | |
1265 | "M" mh-show-modify | |
1266 | "\177" mh-show-previous-page | |
1267 | "\C-d" mh-show-delete-msg-no-motion | |
1268 | "\t" mh-show-next-button | |
1269 | [backtab] mh-show-prev-button | |
1270 | "\M-\t" mh-show-prev-button | |
1271 | "\ed" mh-show-redistribute | |
1272 | "^" mh-show-refile-msg | |
1273 | "c" mh-show-copy-msg | |
1274 | "d" mh-show-delete-msg | |
1275 | "e" mh-show-edit-again | |
1276 | "f" mh-show-forward | |
1277 | "g" mh-show-goto-msg | |
1278 | "i" mh-show-inc-folder | |
1279 | "k" mh-show-delete-subject | |
1280 | "l" mh-show-print-msg | |
1281 | "m" mh-show-send | |
1282 | "n" mh-show-next-undeleted-msg | |
1283 | "o" mh-show-refile-msg | |
1284 | "p" mh-show-previous-undeleted-msg | |
1285 | "q" mh-show-quit | |
1286 | "r" mh-show-reply | |
1287 | "s" mh-show-send | |
1288 | "t" mh-show-toggle-showing | |
1289 | "u" mh-show-undo | |
1290 | "x" mh-show-execute-commands | |
1291 | "|" mh-show-pipe-msg) | |
1292 | ||
1293 | (gnus-define-keys (mh-show-folder-map "F" mh-show-mode-map) | |
1294 | "?" mh-prefix-help | |
1295 | "S" mh-show-sort-folder | |
1296 | "f" mh-show-visit-folder | |
1297 | "i" mh-index-search | |
1298 | "k" mh-show-kill-folder | |
1299 | "l" mh-show-list-folders | |
1300 | "o" mh-show-visit-folder | |
1301 | "r" mh-show-rescan-folder | |
1302 | "s" mh-show-search-folder | |
1303 | "t" mh-show-toggle-threads | |
1304 | "u" mh-show-undo-folder | |
1305 | "v" mh-show-visit-folder) | |
1306 | ||
1307 | (gnus-define-keys (mh-show-sequence-map "S" mh-show-mode-map) | |
1308 | "?" mh-prefix-help | |
1309 | "d" mh-show-delete-msg-from-seq | |
1310 | "k" mh-show-delete-seq | |
1311 | "l" mh-show-list-sequences | |
1312 | "n" mh-show-narrow-to-seq | |
1313 | "p" mh-show-put-msg-in-seq | |
1314 | "s" mh-show-msg-is-in-seq | |
1315 | "w" mh-show-widen) | |
1316 | ||
1317 | (gnus-define-keys (mh-show-thread-map "T" mh-show-mode-map) | |
1318 | "?" mh-prefix-help | |
1319 | "t" mh-show-toggle-threads) | |
1320 | ||
1321 | (gnus-define-keys (mh-show-limit-map "/" mh-show-mode-map) | |
1322 | "?" mh-prefix-help | |
1323 | "s" mh-show-narrow-to-subject | |
1324 | "w" mh-show-widen) | |
1325 | ||
1326 | (gnus-define-keys (mh-show-extract-map "X" mh-show-mode-map) | |
1327 | "?" mh-prefix-help | |
1328 | "s" mh-show-store-msg | |
1329 | "u" mh-show-store-msg) | |
1330 | ||
1331 | ;; Untested... | |
1332 | (gnus-define-keys (mh-show-digest-map "D" mh-show-mode-map) | |
1333 | "?" mh-prefix-help | |
1334 | " " mh-show-page-digest | |
1335 | "\177" mh-show-page-digest-backwards | |
1336 | "b" mh-show-burst-digest) | |
1337 | ||
1338 | (gnus-define-keys (mh-show-mime-map "K" mh-show-mode-map) | |
1339 | "?" mh-prefix-help | |
1340 | "a" mh-mime-save-parts | |
1341 | "v" mh-show-toggle-mime-part | |
1342 | "o" mh-show-save-mime-part | |
1343 | "i" mh-show-inline-mime-part | |
1344 | "\t" mh-show-next-button | |
1345 | [backtab] mh-show-prev-button | |
1346 | "\M-\t" mh-show-prev-button) | |
1347 | ||
1348 | (easy-menu-define | |
1349 | mh-show-sequence-menu mh-show-mode-map "Menu for MH-E folder-sequence." | |
1350 | '("Sequence" | |
1351 | ["Add Message to Sequence..." mh-show-put-msg-in-seq t] | |
1352 | ["List Sequences for Message" mh-show-msg-is-in-seq t] | |
1353 | ["Delete Message from Sequence..." mh-show-delete-msg-from-seq t] | |
1354 | ["List Sequences in Folder..." mh-show-list-sequences t] | |
1355 | ["Delete Sequence..." mh-show-delete-seq t] | |
1356 | ["Narrow to Sequence..." mh-show-narrow-to-seq t] | |
1357 | ["Widen from Sequence" mh-show-widen t] | |
1358 | "--" | |
1359 | ["Narrow to Subject Sequence" mh-show-narrow-to-subject t] | |
1360 | ["Delete Rest of Same Subject" mh-show-delete-subject t] | |
1361 | "--" | |
1362 | ["Push State Out to MH" mh-show-update-sequences t])) | |
1363 | ||
1364 | (easy-menu-define | |
1365 | mh-show-message-menu mh-show-mode-map "Menu for MH-E folder-message." | |
1366 | '("Message" | |
1367 | ["Show Message" mh-show-show t] | |
1368 | ["Show Message with Header" mh-show-header-display t] | |
1369 | ["Next Message" mh-show-next-undeleted-msg t] | |
1370 | ["Previous Message" mh-show-previous-undeleted-msg t] | |
1371 | ["Go to First Message" mh-show-first-msg t] | |
1372 | ["Go to Last Message" mh-show-last-msg t] | |
1373 | ["Go to Message by Number..." mh-show-goto-msg t] | |
1374 | ["Modify Message" mh-show-modify t] | |
1375 | ["Delete Message" mh-show-delete-msg t] | |
1376 | ["Refile Message" mh-show-refile-msg t] | |
1377 | ["Undo Delete/Refile" mh-show-undo t] | |
1378 | ["Process Delete/Refile" mh-show-execute-commands t] | |
1379 | "--" | |
1380 | ["Compose a New Message" mh-send t] | |
1381 | ["Reply to Message..." mh-show-reply t] | |
1382 | ["Forward Message..." mh-show-forward t] | |
1383 | ["Redistribute Message..." mh-show-redistribute t] | |
1384 | ["Edit Message Again" mh-show-edit-again t] | |
1385 | ["Re-edit a Bounced Message" mh-show-extract-rejected-mail t] | |
1386 | "--" | |
1387 | ["Copy Message to Folder..." mh-show-copy-msg t] | |
1388 | ["Print Message" mh-show-print-msg t] | |
1389 | ["Write Message to File..." mh-show-write-msg-to-file t] | |
1390 | ["Pipe Message to Command..." mh-show-pipe-msg t] | |
1391 | ["Unpack Uuencoded Message..." mh-show-store-msg t] | |
1392 | ["Burst Digest Message" mh-show-burst-digest t])) | |
1393 | ||
1394 | (easy-menu-define | |
1395 | mh-show-folder-menu mh-show-mode-map "Menu for MH-E folder." | |
1396 | '("Folder" | |
1397 | ["Incorporate New Mail" mh-show-inc-folder t] | |
1398 | ["Toggle Show/Folder" mh-show-toggle-showing t] | |
1399 | ["Execute Delete/Refile" mh-show-execute-commands t] | |
1400 | ["Rescan Folder" mh-show-rescan-folder t] | |
1401 | ["Thread Folder" mh-show-toggle-threads t] | |
1402 | ["Pack Folder" mh-show-pack-folder t] | |
1403 | ["Sort Folder" mh-show-sort-folder t] | |
1404 | "--" | |
1405 | ["List Folders" mh-show-list-folders t] | |
1406 | ["Visit a Folder..." mh-show-visit-folder t] | |
1407 | ["Search a Folder..." mh-show-search-folder t] | |
1408 | ["Indexed Search..." mh-index-search t] | |
1409 | "--" | |
1410 | ["Quit MH-E" mh-quit t])) | |
1411 | ||
1412 | (eval-when-compile (defvar tool-bar-map)) | |
1413 | (defvar mh-show-tool-bar-map nil) | |
1414 | (when (and (fboundp 'tool-bar-add-item) | |
1415 | tool-bar-mode) | |
1416 | (setq mh-show-tool-bar-map | |
1417 | (let ((tool-bar-map (make-sparse-keymap))) | |
1418 | (tool-bar-add-item "mail" 'mh-inc-folder 'mh-showtoolbar-inc-folder | |
1419 | :help "Incorporate new mail in Inbox") | |
1420 | (tool-bar-add-item "attach" 'mh-mime-save-parts | |
1421 | 'mh-showtoolbar-mime-save-parts | |
1422 | :help "Save MIME parts") | |
1423 | ||
1424 | (tool-bar-add-item "left_arrow" 'mh-show-previous-undeleted-msg | |
1425 | 'mh-showtoolbar-prev :help "Previous message") | |
1426 | (tool-bar-add-item "page-down" 'mh-show-page-msg 'mh-showtoolbar-page | |
1427 | :help "Page this message") | |
1428 | (tool-bar-add-item "right_arrow" 'mh-show-next-undeleted-msg | |
1429 | 'mh-showtoolbar-next :help "Next message") | |
1430 | ||
1431 | (tool-bar-add-item "close" 'mh-show-delete-msg 'mh-showtoolbar-delete | |
1432 | :help "Mark for deletion") | |
1433 | (tool-bar-add-item "refile" 'mh-show-refile-msg 'mh-showtoolbar-refile | |
1434 | :help "Refile this message") | |
1435 | (tool-bar-add-item "undo" 'mh-show-undo 'mh-showtoolbar-undo | |
1436 | :help "Undo this mark") | |
1437 | (tool-bar-add-item "execute" 'mh-show-execute-commands | |
1438 | 'mh-showtoolbar-exec | |
1439 | :help "Perform moves and deletes") | |
1440 | ||
1441 | (tool-bar-add-item "show" 'mh-show-toggle-showing | |
1442 | 'mh-showtoolbar-toggle-show | |
1443 | :help "Toggle showing message") | |
1444 | ||
1445 | (cond | |
1446 | (mh-tool-bar-reply-3-buttons-flag | |
1447 | (tool-bar-add-item "reply-from" | |
1448 | (lambda (&optional arg) | |
1449 | (interactive "P") | |
1450 | (set-buffer mh-show-folder-buffer) | |
1451 | (mh-reply (mh-get-msg-num nil) "from" arg)) | |
1452 | 'mh-showtoolbar-reply-from | |
1453 | :help "Reply to \"from\"") | |
1454 | (tool-bar-add-item "reply-to" | |
1455 | (lambda (&optional arg) | |
1456 | (interactive "P") | |
1457 | (set-buffer mh-show-folder-buffer) | |
1458 | (mh-reply (mh-get-msg-num nil) "to" arg)) | |
1459 | 'mh-showtoolbar-reply-to | |
1460 | :help "Reply to \"to\"") | |
1461 | (tool-bar-add-item "reply-all" | |
1462 | (lambda (&optional arg) | |
1463 | (interactive "P") | |
1464 | (set-buffer mh-show-folder-buffer) | |
1465 | (mh-reply (mh-get-msg-num nil) "all" arg)) | |
1466 | 'mh-showtoolbar-reply-all | |
1467 | :help "Reply to \"all\"")) | |
1468 | (t | |
1469 | (tool-bar-add-item "mail/reply2" 'mh-show-reply 'mh-showtoolbar-reply | |
1470 | :help "Reply to this message"))) | |
1471 | (tool-bar-add-item "mail_compose" 'mh-send 'mh-showtoolbar-compose | |
1472 | :help "Compose new message") | |
1473 | ||
1474 | (tool-bar-add-item "rescan" 'mh-show-rescan-folder | |
1475 | 'mh-showtoolbar-rescan :help "Rescan this folder") | |
1476 | (tool-bar-add-item "repack" 'mh-show-pack-folder 'mh-showtoolbar-pack | |
1477 | :help "Repack this folder") | |
1478 | ||
1479 | (tool-bar-add-item "search" | |
1480 | (lambda (&optional arg) | |
1481 | (interactive "P") | |
1482 | (call-interactively mh-tool-bar-search-function)) | |
1483 | 'mh-showtoolbar-search :help "Search") | |
1484 | (tool-bar-add-item "fld_open" 'mh-visit-folder 'mh-showtoolbar-visit | |
1485 | :help "Visit other folder") | |
1486 | ||
1487 | (tool-bar-add-item "preferences" (lambda () | |
1488 | (interactive) | |
1489 | (customize-group "mh")) | |
1490 | 'mh-showtoolbar-customize | |
1491 | :help "MH-E preferences") | |
1492 | (tool-bar-add-item "help" (lambda () | |
1493 | (interactive) | |
1494 | (Info-goto-node "(mh-e)Top")) | |
1495 | 'mh-showtoolbar-help :help "Help") | |
1496 | tool-bar-map))) | |
c919c21a | 1497 | |
c26cf6c8 RS |
1498 | ;;; Ensure new buffers won't get this mode if default-major-mode is nil. |
1499 | (put 'mh-show-mode 'mode-class 'special) | |
1500 | ||
a1b4049d | 1501 | (define-derived-mode mh-show-mode text-mode "MH-Show" |
bdcfe844 BW |
1502 | "Major mode for showing messages in MH-E.\\<mh-show-mode-map> |
1503 | The value of `mh-show-mode-hook' is a list of functions to | |
1504 | be called, with no arguments, upon entry to this mode." | |
a1b4049d | 1505 | (set (make-local-variable 'mail-header-separator) mh-mail-header-separator) |
bdcfe844 | 1506 | (setq paragraph-start (default-value 'paragraph-start)) |
a1b4049d | 1507 | (mh-show-unquote-From) |
bdcfe844 BW |
1508 | (mh-show-xface) |
1509 | (mh-show-addr) | |
a1b4049d | 1510 | (make-local-variable 'font-lock-defaults) |
bdcfe844 | 1511 | ;(set (make-local-variable 'font-lock-support-mode) nil) |
a1b4049d BW |
1512 | (cond |
1513 | ((equal mh-highlight-citation-p 'font-lock) | |
1514 | (setq font-lock-defaults '(mh-show-font-lock-keywords-with-cite t))) | |
1515 | ((equal mh-highlight-citation-p 'gnus) | |
bdcfe844 BW |
1516 | (setq font-lock-defaults '((mh-show-font-lock-keywords) |
1517 | t nil nil nil | |
1518 | (font-lock-fontify-region-function | |
1519 | . mh-show-font-lock-fontify-region))) | |
a1b4049d BW |
1520 | (mh-gnus-article-highlight-citation)) |
1521 | (t | |
bdcfe844 BW |
1522 | (setq font-lock-defaults '(mh-show-font-lock-keywords t)))) |
1523 | (if (and mh-xemacs-flag | |
1524 | font-lock-auto-fontify) | |
1525 | (turn-on-font-lock)) | |
1526 | (if (and (boundp 'tool-bar-mode) tool-bar-mode) | |
1527 | (set (make-local-variable 'tool-bar-map) mh-show-tool-bar-map)) | |
1528 | (when mh-decode-mime-flag | |
1529 | (add-hook 'kill-buffer-hook 'mh-mime-cleanup nil t)) | |
1530 | (easy-menu-add mh-show-sequence-menu) | |
1531 | (easy-menu-add mh-show-message-menu) | |
1532 | (easy-menu-add mh-show-folder-menu) | |
1533 | (make-local-variable 'mh-show-folder-buffer) | |
1534 | (buffer-disable-undo) | |
1535 | (setq buffer-read-only t) | |
1536 | (use-local-map mh-show-mode-map) | |
1537 | (run-hooks 'mh-show-mode-hook)) | |
1538 | ||
1539 | (defun mh-show-addr () | |
1540 | "Use `goto-address'." | |
1541 | (when mh-show-use-goto-addr-flag | |
1542 | (if (not (featurep 'goto-addr)) | |
1543 | (load "goto-addr" t t)) | |
1544 | (if (fboundp 'goto-address) | |
1545 | (goto-address)))) | |
1546 | ||
1547 | (defvar mh-show-xface-function | |
1548 | (cond ((and mh-xemacs-flag (locate-library "x-face")) | |
1549 | (load "x-face" t t) | |
1550 | (if (fboundp 'x-face-xmas-wl-display-x-face) | |
1551 | #'x-face-xmas-wl-display-x-face | |
1552 | #'ignore)) | |
1553 | ((>= emacs-major-version 21) | |
1554 | (load "x-face-e21" t t) | |
1555 | (if (fboundp 'x-face-decode-message-header) | |
1556 | #'x-face-decode-message-header | |
1557 | #'ignore)) | |
1558 | (t #'ignore)) | |
1559 | "Determine at run time what function should be called to display X-Face.") | |
1560 | ||
1561 | (defun mh-show-xface () | |
1562 | "Display X-Face." | |
1563 | (when (and mh-show-use-xface-flag | |
1564 | (or mh-decode-mime-flag mhl-formfile mh-clean-message-header-flag)) | |
1565 | (funcall mh-show-xface-function))) | |
c26cf6c8 RS |
1566 | |
1567 | (defun mh-maybe-show (&optional msg) | |
bdcfe844 BW |
1568 | "Display message at cursor, but only if in show mode. |
1569 | If optional arg MSG is non-nil, display that message instead." | |
a1b4049d | 1570 | (if mh-showing-mode (mh-show msg))) |
c26cf6c8 | 1571 | |
b6d4ab05 | 1572 | (defun mh-show (&optional message) |
bdcfe844 BW |
1573 | "Show message at cursor. |
1574 | If optional argument MESSAGE is non-nil, display that message instead. | |
c919c21a | 1575 | Force a two-window display with the folder window on top (size |
a1b4049d | 1576 | `mh-summary-height') and the show buffer below it. |
c919c21a RS |
1577 | If the message is already visible, display the start of the message. |
1578 | ||
1579 | Display of the message is controlled by setting the variables | |
bdcfe844 | 1580 | `mh-clean-message-header-flag' and `mhl-formfile'. The default behavior is |
c919c21a RS |
1581 | to scroll uninteresting headers off the top of the window. |
1582 | Type \"\\[mh-header-display]\" to see the message with all its headers." | |
c26cf6c8 RS |
1583 | (interactive) |
1584 | (and mh-showing-with-headers | |
bdcfe844 | 1585 | (or mhl-formfile mh-clean-message-header-flag) |
c26cf6c8 | 1586 | (mh-invalidate-show-buffer)) |
b6d4ab05 | 1587 | (mh-show-msg message)) |
c26cf6c8 | 1588 | |
a1b4049d BW |
1589 | (defun mh-show-mouse (EVENT) |
1590 | "Move point to mouse EVENT and show message." | |
1591 | (interactive "e") | |
1592 | (mouse-set-point EVENT) | |
1593 | (mh-show)) | |
c26cf6c8 RS |
1594 | |
1595 | (defun mh-show-msg (msg) | |
bdcfe844 BW |
1596 | "Show MSG. |
1597 | The value of `mh-show-hook' is a list of functions to be called, with no | |
1598 | arguments, after the message has been displayed." | |
c26cf6c8 RS |
1599 | (if (not msg) |
1600 | (setq msg (mh-get-msg-num t))) | |
a1b4049d | 1601 | (mh-showing-mode t) |
bdcfe844 | 1602 | (setq mh-page-to-next-msg-flag nil) |
c26cf6c8 | 1603 | (let ((folder mh-current-folder) |
bdcfe844 | 1604 | (clean-message-header mh-clean-message-header-flag) |
c26cf6c8 | 1605 | (show-window (get-buffer-window mh-show-buffer))) |
056e1e3f | 1606 | (if (not (eq (next-window (minibuffer-window)) (selected-window))) |
c26cf6c8 RS |
1607 | (delete-other-windows)) ; force ourself to the top window |
1608 | (mh-in-show-buffer (mh-show-buffer) | |
1609 | (if (and show-window | |
1610 | (equal (mh-msg-filename msg folder) buffer-file-name)) | |
1611 | (progn ;just back up to start | |
1612 | (goto-char (point-min)) | |
1613 | (if (not clean-message-header) | |
1614 | (mh-start-of-uncleaned-message))) | |
1615 | (mh-display-msg msg folder)))) | |
ec5b8815 | 1616 | (if (not (= (1+ (window-height)) (frame-height))) ;not horizontally split |
c26cf6c8 RS |
1617 | (shrink-window (- (window-height) mh-summary-height))) |
1618 | (mh-recenter nil) | |
1619 | (if (not (memq msg mh-seen-list)) (setq mh-seen-list (cons msg mh-seen-list))) | |
bdcfe844 | 1620 | (when mh-update-sequences-after-mh-show-flag |
a1b4049d | 1621 | (mh-update-sequences)) |
c26cf6c8 RS |
1622 | (run-hooks 'mh-show-hook)) |
1623 | ||
bdcfe844 BW |
1624 | (defun mh-modify (&optional message) |
1625 | "Edit message at cursor. | |
1626 | If optional argument MESSAGE is non-nil, edit that message instead. | |
1627 | Force a two-window display with the folder window on top (size | |
1628 | `mh-summary-height') and the message editing buffer below it. | |
1629 | ||
1630 | The message is displayed in raw form." | |
1631 | (interactive) | |
1632 | (let* ((message (or message (mh-get-msg-num t))) | |
1633 | (msg-filename (mh-msg-filename message)) | |
1634 | edit-buffer) | |
1635 | (when (not (file-exists-p msg-filename)) | |
1636 | (error "Message %d does not exist" message)) | |
1637 | ||
1638 | ;; Invalidate the show buffer if it is showing the same message that is | |
1639 | ;; to be edited. | |
1640 | (when (and (buffer-live-p (get-buffer mh-show-buffer)) | |
1641 | (equal (save-excursion (set-buffer mh-show-buffer) | |
1642 | buffer-file-name) | |
1643 | msg-filename)) | |
1644 | (mh-invalidate-show-buffer)) | |
1645 | ||
1646 | ;; Edit message | |
1647 | (find-file msg-filename) | |
1648 | (setq edit-buffer (current-buffer)) | |
1649 | ||
1650 | ;; Set buffer properties | |
1651 | (mh-letter-mode) | |
1652 | (use-local-map text-mode-map) | |
1653 | ||
1654 | ;; Just show the edit buffer... | |
1655 | (delete-other-windows) | |
1656 | (switch-to-buffer edit-buffer))) | |
c26cf6c8 | 1657 | |
a1b4049d | 1658 | (defun mh-decode-quoted-printable () |
bdcfe844 | 1659 | "Run mimedecode on current buffer, replacing its contents." |
a1b4049d BW |
1660 | (let ((case-fold-search t)) |
1661 | (goto-char (point-min)) | |
1662 | (when (and (re-search-forward | |
1663 | "^content-transfer-encoding:[ \t]*quoted-printable" | |
bdcfe844 | 1664 | (if mh-decode-mime-flag (mail-header-end) nil) t) |
a1b4049d BW |
1665 | (search-forward "\n\n" nil t)) |
1666 | (message "Converting quoted-printable characters...") | |
1667 | (let ((modified (buffer-modified-p)) | |
1668 | (command "mimedecode")) | |
1669 | (shell-command-on-region (point-min) (point-max) command t t) | |
1670 | (if (fboundp 'deactivate-mark) | |
1671 | (deactivate-mark)) | |
1672 | (set-buffer-modified-p modified)) | |
1673 | (message "Converting quoted-printable characters... done.")))) | |
1674 | ||
a1b4049d | 1675 | (defun mh-show-unquote-From () |
bdcfe844 | 1676 | "Decode >From at beginning of lines for `mh-show-mode'." |
a1b4049d BW |
1677 | (save-excursion |
1678 | (let ((modified (buffer-modified-p)) | |
1679 | (case-fold-search nil)) | |
1680 | (goto-char (mail-header-end)) | |
1681 | (while (re-search-forward "^>From" nil t) | |
1682 | (replace-match "From")) | |
1683 | (set-buffer-modified-p modified)))) | |
1684 | ||
bdcfe844 BW |
1685 | (defun mh-msg-folder (folder-name) |
1686 | "Return the name of the buffer for FOLDER-NAME." | |
1687 | folder-name) | |
1688 | ||
1689 | (defun mh-display-msg (msg-num folder-name) | |
1690 | "Display MSG-NUM of FOLDER-NAME. | |
1691 | Sets the current buffer to the show buffer." | |
1692 | (let ((folder (mh-msg-folder folder-name))) | |
1693 | (set-buffer folder) | |
1694 | ;; When Gnus uses external displayers it has to keep handles longer. So | |
1695 | ;; we will delete these handles when mh-quit is called on the folder. It | |
1696 | ;; would be nicer if there are weak pointers in emacs lisp, then we could | |
1697 | ;; get the garbage collector to do this for us. | |
1698 | (unless (mh-buffer-data) | |
1699 | (setf (mh-buffer-data) (mh-make-buffer-data))) | |
1700 | ;; Bind variables in folder buffer in case they are local | |
1701 | (let ((formfile mhl-formfile) | |
1702 | (clean-message-header mh-clean-message-header-flag) | |
1703 | (invisible-headers mh-invisible-headers) | |
1704 | (visible-headers mh-visible-headers) | |
1705 | (msg-filename (mh-msg-filename msg-num folder-name)) | |
1706 | (show-buffer mh-show-buffer) | |
1707 | (mm-inline-media-tests mh-mm-inline-media-tests)) | |
1708 | (if (not (file-exists-p msg-filename)) | |
1709 | (error "Message %d does not exist" msg-num)) | |
1710 | (if (and (> mh-show-maximum-size 0) | |
1711 | (> (elt (file-attributes msg-filename) 7) | |
1712 | mh-show-maximum-size) | |
1713 | (not (y-or-n-p | |
1714 | (format | |
1715 | "Message %d (%d bytes) exceeds %d bytes. Display it? " | |
1716 | msg-num (elt (file-attributes msg-filename) 7) | |
1717 | mh-show-maximum-size)))) | |
1718 | (error "Message %d not displayed" msg-num)) | |
1719 | (set-buffer show-buffer) | |
1720 | (cond ((not (equal msg-filename buffer-file-name)) | |
1721 | (mh-unvisit-file) | |
1722 | (setq buffer-read-only nil) | |
1723 | (erase-buffer) | |
1724 | ;; Changing contents, so this hook needs to be reinitialized. | |
1725 | ;; pgp.el uses this. | |
1726 | (if (boundp 'write-contents-hooks) ;Emacs 19 | |
1727 | (kill-local-variable 'write-contents-hooks)) | |
1728 | (if formfile | |
1729 | (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear" | |
1730 | (if (stringp formfile) | |
1731 | (list "-form" formfile)) | |
1732 | msg-filename) | |
1733 | (insert-file-contents msg-filename)) | |
1734 | (if mh-decode-quoted-printable-flag | |
1735 | (mh-decode-quoted-printable)) | |
1736 | ;; Cleanup old mime handles | |
1737 | (mh-mime-cleanup) | |
1738 | ;; Use mm to display buffer | |
1739 | (when (and mh-decode-mime-flag (not formfile)) | |
1740 | (mh-add-missing-mime-version-header) | |
1741 | (setf (mh-buffer-data) (mh-make-buffer-data)) | |
1742 | (mh-mime-display)) | |
1743 | ;; Header cleanup | |
1744 | (goto-char (point-min)) | |
1745 | (cond (clean-message-header | |
1746 | (mh-clean-msg-header (point-min) | |
1747 | invisible-headers | |
1748 | visible-headers) | |
1749 | (goto-char (point-min))) | |
1750 | (t | |
1751 | (mh-start-of-uncleaned-message))) | |
1752 | ;; the parts of visiting we want to do (no locking) | |
1753 | (or (eq buffer-undo-list t) ;don't save undo info for prev msgs | |
1754 | (setq buffer-undo-list nil)) | |
1755 | (set-buffer-auto-saved) | |
1756 | ;; the parts of set-visited-file-name we want to do (no locking) | |
1757 | (setq buffer-file-name msg-filename) | |
1758 | (setq buffer-backed-up nil) | |
1759 | (auto-save-mode 1) | |
1760 | (set-mark nil) | |
1761 | (mh-show-mode) | |
1762 | (unwind-protect | |
1763 | (when (and mh-decode-mime-flag (not formfile)) | |
1764 | (setq buffer-read-only nil) | |
1765 | (mh-display-smileys) | |
1766 | (mh-display-emphasis)) | |
1767 | (setq buffer-read-only t)) | |
1768 | (set-buffer-modified-p nil) | |
1769 | (setq mh-show-folder-buffer folder) | |
1770 | (setq mode-line-buffer-identification | |
1771 | (list (format mh-show-buffer-mode-line-buffer-id | |
1772 | folder-name msg-num))) | |
1773 | (set-buffer folder) | |
1774 | (setq mh-showing-with-headers nil)))))) | |
c26cf6c8 RS |
1775 | |
1776 | (defun mh-clean-msg-header (start invisible-headers visible-headers) | |
bdcfe844 BW |
1777 | "Flush extraneous lines in message header. |
1778 | Header is cleaned from START to the end of the message header. | |
1779 | INVISIBLE-HEADERS contains a regular expression specifying lines to delete | |
1780 | from the header. VISIBLE-HEADERS contains a regular expression specifying the | |
1781 | lines to display. INVISIBLE-HEADERS is ignored if VISIBLE-HEADERS is non-nil." | |
a1b4049d BW |
1782 | (let ((case-fold-search t) |
1783 | (after-change-functions nil)) ;Work around emacs-20 font-lock bug | |
1784 | ;causing an endless loop. | |
c26cf6c8 RS |
1785 | (save-restriction |
1786 | (goto-char start) | |
1787 | (if (search-forward "\n\n" nil 'move) | |
1788 | (backward-char 1)) | |
1789 | (narrow-to-region start (point)) | |
1790 | (goto-char (point-min)) | |
1791 | (if visible-headers | |
1792 | (while (< (point) (point-max)) | |
1793 | (cond ((looking-at visible-headers) | |
1794 | (forward-line 1) | |
1795 | (while (looking-at "[ \t]") (forward-line 1))) | |
1796 | (t | |
1797 | (mh-delete-line 1) | |
1798 | (while (looking-at "[ \t]") | |
1799 | (mh-delete-line 1))))) | |
1800 | (while (re-search-forward invisible-headers nil t) | |
1801 | (beginning-of-line) | |
1802 | (mh-delete-line 1) | |
1803 | (while (looking-at "[ \t]") | |
1804 | (mh-delete-line 1)))) | |
1805 | (unlock-buffer)))) | |
1806 | ||
c26cf6c8 | 1807 | (defun mh-delete-line (lines) |
bdcfe844 | 1808 | "Delete the next LINES lines." |
b3470e4c | 1809 | (delete-region (point) (progn (forward-line lines) (point)))) |
c26cf6c8 | 1810 | |
c26cf6c8 | 1811 | (defun mh-notate (msg notation offset) |
bdcfe844 BW |
1812 | "Mark MSG with the character NOTATION at position OFFSET. |
1813 | Null MSG means the message at cursor." | |
c26cf6c8 RS |
1814 | (save-excursion |
1815 | (if (or (null msg) | |
1816 | (mh-goto-msg msg t t)) | |
1817 | (with-mh-folder-updating (t) | |
1818 | (beginning-of-line) | |
1819 | (forward-char offset) | |
1820 | (delete-char 1) | |
1821 | (insert notation))))) | |
1822 | ||
b3470e4c | 1823 | (defun mh-find-msg-get-num (step) |
bdcfe844 BW |
1824 | "Return the message number of the message nearest the cursor. |
1825 | Jumps over non-message lines, such as inc errors. | |
1826 | If we have to search, STEP tells whether to search forward or backward." | |
b3470e4c KH |
1827 | (or (mh-get-msg-num nil) |
1828 | (let ((msg-num nil) | |
1829 | (nreverses 0)) | |
1830 | (while (and (not msg-num) | |
1831 | (< nreverses 2)) | |
1832 | (cond ((eobp) | |
1833 | (setq step -1) | |
1834 | (setq nreverses (1+ nreverses))) | |
1835 | ((bobp) | |
1836 | (setq step 1) | |
1837 | (setq nreverses (1+ nreverses)))) | |
1838 | (forward-line step) | |
1839 | (setq msg-num (mh-get-msg-num nil))) | |
1840 | msg-num))) | |
1841 | ||
c26cf6c8 RS |
1842 | (defun mh-goto-msg (number &optional no-error-if-no-message dont-show) |
1843 | "Position the cursor at message NUMBER. | |
a1b4049d BW |
1844 | Optional non-nil second argument NO-ERROR-IF-NO-MESSAGE means return nil |
1845 | instead of signaling an error if message does not exist; in this case, the | |
1846 | cursor is positioned near where the message would have been. | |
1847 | Non-nil third argument DONT-SHOW means not to show the message." | |
b6d4ab05 | 1848 | (interactive "NGo to message: ") |
bdcfe844 BW |
1849 | (setq number (prefix-numeric-value number)) |
1850 | (let ((point (point)) | |
1851 | (return-value t)) | |
1852 | (goto-char (point-min)) | |
1853 | (unless (re-search-forward (format "^[ ]*%s[^0-9]+" number) nil t) | |
1854 | (goto-char point) | |
1855 | (unless no-error-if-no-message | |
1856 | (error "No message %d" number)) | |
1857 | (setq return-value nil)) | |
1858 | (beginning-of-line) | |
1859 | (or dont-show (not return-value) (mh-maybe-show number)) | |
1860 | return-value)) | |
c26cf6c8 RS |
1861 | |
1862 | (defun mh-msg-search-pat (n) | |
bdcfe844 | 1863 | "Return a search pattern for message N in the scan listing." |
a1b4049d | 1864 | (format mh-scan-msg-search-regexp n)) |
c26cf6c8 | 1865 | |
b6d4ab05 | 1866 | (defun mh-get-profile-field (field) |
bdcfe844 BW |
1867 | "Find and return the value of FIELD in the current buffer. |
1868 | Returns nil if the field is not in the buffer." | |
b6d4ab05 KH |
1869 | (let ((case-fold-search t)) |
1870 | (goto-char (point-min)) | |
1871 | (cond ((not (re-search-forward (format "^%s" field) nil t)) nil) | |
1872 | ((looking-at "[\t ]*$") nil) | |
1873 | (t | |
1874 | (re-search-forward "[\t ]*\\([^\t \n].*\\)$" nil t) | |
1875 | (let ((start (match-beginning 1))) | |
1876 | (end-of-line) | |
1877 | (buffer-substring start (point))))))) | |
1878 | ||
7c3b9c62 | 1879 | (defvar mail-user-agent) |
0c28d842 | 1880 | (defvar read-mail-command) |
7c3b9c62 RS |
1881 | |
1882 | (defvar mh-find-path-run nil | |
1883 | "Non-nil if `mh-find-path' has been run already.") | |
b6d4ab05 | 1884 | |
c26cf6c8 | 1885 | (defun mh-find-path () |
bdcfe844 BW |
1886 | "Set `mh-progs', `mh-lib', and `mh-lib-progs' variables. |
1887 | Set `mh-user-path', `mh-draft-folder', `mh-unseen-seq', `mh-previous-seq', | |
1888 | `mh-inbox' from user's MH profile. | |
1889 | The value of `mh-find-path-hook' is a list of functions to be called, with no | |
1890 | arguments, after these variable have been set." | |
c26cf6c8 | 1891 | (mh-find-progs) |
7c3b9c62 RS |
1892 | (unless mh-find-path-run |
1893 | (setq mh-find-path-run t) | |
0c28d842 | 1894 | (setq read-mail-command 'mh-rmail) |
7c3b9c62 | 1895 | (setq mail-user-agent 'mh-e-user-agent)) |
c26cf6c8 RS |
1896 | (save-excursion |
1897 | ;; Be sure profile is fully expanded before switching buffers | |
1898 | (let ((profile (expand-file-name (or (getenv "MH") "~/.mh_profile")))) | |
b6d4ab05 | 1899 | (set-buffer (get-buffer-create mh-temp-buffer)) |
c26cf6c8 RS |
1900 | (setq buffer-offer-save nil) ;for people who set default to t |
1901 | (erase-buffer) | |
1902 | (condition-case err | |
1903 | (insert-file-contents profile) | |
1904 | (file-error | |
1905 | (mh-install profile err))) | |
b6d4ab05 KH |
1906 | (setq mh-user-path (mh-get-profile-field "Path:")) |
1907 | (if (not mh-user-path) | |
c26cf6c8 RS |
1908 | (setq mh-user-path "Mail")) |
1909 | (setq mh-user-path | |
1910 | (file-name-as-directory | |
1911 | (expand-file-name mh-user-path (expand-file-name "~")))) | |
b6d4ab05 KH |
1912 | (setq mh-draft-folder (mh-get-profile-field "Draft-Folder:")) |
1913 | (if mh-draft-folder | |
1914 | (progn | |
1915 | (if (not (mh-folder-name-p mh-draft-folder)) | |
1916 | (setq mh-draft-folder (format "+%s" mh-draft-folder))) | |
1917 | (if (not (file-exists-p (mh-expand-file-name mh-draft-folder))) | |
60370d40 | 1918 | (error "Draft folder \"%s\" not found. Create it and try again" |
b6d4ab05 KH |
1919 | (mh-expand-file-name mh-draft-folder))))) |
1920 | (setq mh-inbox (mh-get-profile-field "Inbox:")) | |
1921 | (cond ((not mh-inbox) | |
1922 | (setq mh-inbox "+inbox")) | |
1923 | ((not (mh-folder-name-p mh-inbox)) | |
1924 | (setq mh-inbox (format "+%s" mh-inbox)))) | |
1925 | (setq mh-unseen-seq (mh-get-profile-field "Unseen-Sequence:")) | |
1926 | (if mh-unseen-seq | |
1927 | (setq mh-unseen-seq (intern mh-unseen-seq)) | |
1928 | (setq mh-unseen-seq 'unseen)) ;old MH default? | |
1929 | (setq mh-previous-seq (mh-get-profile-field "Previous-Sequence:")) | |
1930 | (if mh-previous-seq | |
1931 | (setq mh-previous-seq (intern mh-previous-seq))) | |
eaff57bb | 1932 | (run-hooks 'mh-find-path-hook))) |
bdcfe844 | 1933 | (and mh-auto-folder-collect-flag |
eaff57bb RS |
1934 | (let ((mh-no-install t)) ;only get folders if MH installed |
1935 | (condition-case err | |
1936 | (mh-make-folder-list-background) | |
1937 | (file-error))))) ;so don't complain if not installed | |
c26cf6c8 | 1938 | |
f209429d RS |
1939 | (defun mh-file-command-p (file) |
1940 | "Return t if file FILE is the name of a executable regular file." | |
1941 | (and (file-regular-p file) (file-executable-p file))) | |
1942 | ||
c26cf6c8 | 1943 | (defun mh-find-progs () |
a1b4049d | 1944 | "Find the directories for the installed MH/nmh binaries and config files. |
ae3864d7 | 1945 | Set the `mh-progs' and `mh-lib', and `mh-lib-progs' variables to the |
bdcfe844 BW |
1946 | directory names and set `mh-nmh-flag' if we detect nmh instead of MH." |
1947 | (unless (and mh-progs mh-lib mh-lib-progs) | |
1948 | (let ((path (or (mh-path-search exec-path "mhparam") | |
1949 | (mh-path-search '("/usr/local/nmh/bin" ; nmh default | |
1950 | "/usr/local/bin/mh/" | |
1951 | "/usr/local/mh/" | |
1952 | "/usr/bin/mh/" ;Ultrix 4.2, Linux | |
1953 | "/usr/new/mh/" ;Ultrix <4.2 | |
1954 | "/usr/contrib/mh/bin/" ;BSDI | |
1955 | "/usr/pkg/bin/" ; NetBSD | |
1956 | "/usr/local/bin/" | |
1957 | ) | |
1958 | "mhparam")))) | |
1959 | (if (not path) | |
1960 | (error "Unable to find the `mhparam' command")) | |
1961 | (save-excursion | |
1962 | (let ((tmp-buffer (get-buffer-create mh-temp-buffer))) | |
1963 | (set-buffer tmp-buffer) | |
1964 | (unwind-protect | |
1965 | (progn | |
1966 | (call-process (expand-file-name "mhparam" path) | |
1967 | nil '(t nil) nil "libdir" "etcdir") | |
1968 | (goto-char (point-min)) | |
1969 | (if (search-forward-regexp "^libdir:\\s-\\(\\S-+\\)\\s-*$" | |
1970 | nil t) | |
1971 | (setq mh-lib-progs (match-string 1) | |
1972 | mh-lib mh-lib-progs | |
1973 | mh-progs path)) | |
1974 | (goto-char (point-min)) | |
1975 | (if (search-forward-regexp "^etcdir:\\s-\\(\\S-+\\)\\s-*$" | |
1976 | nil t) | |
1977 | (setq mh-lib (match-string 1) | |
1978 | mh-nmh-flag t))) | |
1979 | (kill-buffer tmp-buffer)))) | |
1980 | (unless (and mh-progs mh-lib mh-lib-progs) | |
1981 | (error "Unable to determine paths from `mhparam' command"))))) | |
1982 | ||
1983 | (defun mh-path-search (path file) | |
1984 | "Search PATH, a list of directory names, for FILE. | |
1985 | Returns the element of PATH that contains FILE, or nil if not found." | |
c26cf6c8 | 1986 | (while (and path |
bdcfe844 | 1987 | (not (funcall 'mh-file-command-p |
ae3864d7 | 1988 | (expand-file-name file (car path))))) |
c26cf6c8 RS |
1989 | (setq path (cdr path))) |
1990 | (car path)) | |
1991 | ||
b3470e4c KH |
1992 | (defvar mh-no-install nil) ;do not run install-mh |
1993 | ||
c26cf6c8 | 1994 | (defun mh-install (profile error-val) |
bdcfe844 BW |
1995 | "Initialize the MH environment. |
1996 | This is called if we fail to read the PROFILE file. ERROR-VAL is the error | |
1997 | that made this call necessary." | |
c26cf6c8 | 1998 | (if (or (getenv "MH") |
b3470e4c KH |
1999 | (file-exists-p profile) |
2000 | mh-no-install) | |
2001 | (signal (car error-val) | |
2002 | (list (format "Cannot read MH profile \"%s\"" profile) | |
2003 | (car (cdr (cdr error-val)))))) | |
c26cf6c8 RS |
2004 | ;; The "install-mh" command will output a short note which |
2005 | ;; mh-exec-cmd will display to the user. | |
b6d4ab05 KH |
2006 | ;; The MH 5 version of install-mh might try prompt the user |
2007 | ;; for information, which would fail here. | |
ae3864d7 | 2008 | (mh-exec-cmd (expand-file-name "install-mh" mh-lib-progs) "-auto") |
c26cf6c8 RS |
2009 | ;; now try again to read the profile file |
2010 | (erase-buffer) | |
2011 | (condition-case err | |
2012 | (insert-file-contents profile) | |
2013 | (file-error | |
b3470e4c KH |
2014 | (signal (car err) ;re-signal with more specific msg |
2015 | (list (format "Cannot read MH profile \"%s\"" profile) | |
2016 | (car (cdr (cdr err)))))))) | |
c26cf6c8 | 2017 | |
c26cf6c8 | 2018 | (defun mh-set-folder-modified-p (flag) |
bdcfe844 | 2019 | "Mark current folder as modified or unmodified according to FLAG." |
c26cf6c8 RS |
2020 | (set-buffer-modified-p flag)) |
2021 | ||
bdcfe844 BW |
2022 | (defun mh-find-seq (name) |
2023 | "Return sequence NAME." | |
2024 | (assoc name mh-seq-list)) | |
c26cf6c8 | 2025 | |
c26cf6c8 | 2026 | (defun mh-seq-to-msgs (seq) |
bdcfe844 | 2027 | "Return a list of the messages in SEQ." |
c26cf6c8 RS |
2028 | (mh-seq-msgs (mh-find-seq seq))) |
2029 | ||
bdcfe844 BW |
2030 | (defun mh-update-scan-format (fmt width) |
2031 | "Return a scan format with the (msg) width in the FMT replaced with WIDTH. | |
2032 | ||
2033 | The message number width portion of the format is discovered using | |
2034 | `mh-scan-msg-format-regexp'. Its replacement is controlled with | |
2035 | `mh-scan-msg-format-string'." | |
2036 | (or (and | |
2037 | (string-match mh-scan-msg-format-regexp fmt) | |
2038 | (let ((begin (match-beginning 1)) | |
2039 | (end (match-end 1))) | |
2040 | (concat (substring fmt 0 begin) | |
2041 | (format mh-scan-msg-format-string width) | |
2042 | (substring fmt end)))) | |
2043 | fmt)) | |
2044 | ||
2045 | (defun mh-set-cmd-note (width) | |
2046 | "Set `mh-cmd-note' to WIDTH characters (minimum of 2). | |
2047 | ||
2048 | If `mh-scan-format-file' specifies nil or a filename, then this function | |
2049 | will NOT update `mh-cmd-note'." | |
2050 | ;; Add one to the width to always have whitespace in column zero. | |
2051 | (setq width (max (1+ width) 2)) | |
2052 | (if (and (equal mh-scan-format-file t) | |
2053 | (not (eq mh-cmd-note width))) | |
2054 | (progn | |
2055 | (setq mh-cmd-note width) | |
2056 | ;; Rachet up the default value | |
2057 | (if (< (default-value 'mh-cmd-note) mh-cmd-note) | |
2058 | (setq-default mh-cmd-note mh-cmd-note)))) | |
2059 | mh-cmd-note) | |
2060 | ||
2061 | (defun mh-message-number-width (folder) | |
2062 | "Return the widest message number in this FOLDER." | |
2063 | (or mh-progs (mh-find-path)) | |
2064 | (let ((tmp-buffer (get-buffer-create mh-temp-buffer)) | |
2065 | (width 0)) | |
2066 | (save-excursion | |
2067 | (set-buffer tmp-buffer) | |
2068 | (erase-buffer) | |
2069 | (apply 'call-process | |
2070 | (expand-file-name "scan" mh-progs) nil '(t nil) nil | |
2071 | (list folder "last" "-format" "%(msg)")) | |
2072 | (goto-char (point-min)) | |
2073 | (if (re-search-forward mh-scan-msg-number-regexp nil 0 1) | |
2074 | (setq width (length (buffer-substring | |
2075 | (match-beginning 1) (match-end 1)))))) | |
2076 | width)) | |
c26cf6c8 RS |
2077 | |
2078 | (defun mh-add-msgs-to-seq (msgs seq &optional internal-flag) | |
bdcfe844 BW |
2079 | "Add MSGS to SEQ. |
2080 | Remove duplicates and keep sequence sorted. If optional INTERNAL-FLAG is | |
2081 | non-nil, do not mark the message in the scan listing or inform MH of the | |
2082 | addition." | |
c26cf6c8 RS |
2083 | (let ((entry (mh-find-seq seq))) |
2084 | (if (and msgs (atom msgs)) (setq msgs (list msgs))) | |
2085 | (if (null entry) | |
bdcfe844 BW |
2086 | (setq mh-seq-list |
2087 | (cons (mh-make-seq seq (mh-canonicalize-sequence msgs)) | |
2088 | mh-seq-list)) | |
2089 | (if msgs (setcdr entry (mh-canonicalize-sequence | |
2090 | (append msgs (mh-seq-msgs entry)))))) | |
c26cf6c8 RS |
2091 | (cond ((not internal-flag) |
2092 | (mh-add-to-sequence seq msgs) | |
b6d4ab05 | 2093 | (mh-notate-seq seq mh-note-seq (1+ mh-cmd-note)))))) |
c26cf6c8 | 2094 | |
bdcfe844 BW |
2095 | (defun mh-canonicalize-sequence (msgs) |
2096 | "Sort MSGS in decreasing order and remove duplicates." | |
2097 | (let* ((sorted-msgs (sort (copy-sequence msgs) '>)) | |
2098 | (head sorted-msgs)) | |
2099 | (while (cdr head) | |
2100 | (if (= (car head) (cadr head)) | |
2101 | (setcdr head (cddr head)) | |
2102 | (setq head (cdr head)))) | |
2103 | sorted-msgs)) | |
c26cf6c8 | 2104 | |
bdcfe844 BW |
2105 | (defvar mh-folder-hist nil) |
2106 | (defvar mh-speed-folder-map) | |
2107 | ||
2108 | (defun mh-prompt-for-folder (prompt default can-create | |
2109 | &optional default-string) | |
2110 | "Prompt for a folder name with PROMPT. | |
2111 | Returns the folder's name as a string. DEFAULT is used if the folder exists | |
2112 | and the user types return. If the CAN-CREATE flag is t, then a folder is | |
2113 | created if it doesn't already exist. If optional argument DEFAULT-STRING is | |
2114 | non-nil, use it in the prompt instead of DEFAULT. | |
2115 | The value of `mh-folder-list-change-hook' is a list of functions to be called, | |
2116 | with no arguments, whenever the cached folder list `mh-folder-list' is | |
2117 | changed." | |
c26cf6c8 RS |
2118 | (if (null default) |
2119 | (setq default "")) | |
bdcfe844 BW |
2120 | (let* ((default-string (cond (default-string (format " [%s]? " |
2121 | default-string)) | |
2122 | ((equal "" default) "? ") | |
2123 | (t (format " [%s]? " default)))) | |
2124 | (prompt (format "%s folder%s" prompt default-string)) | |
c26cf6c8 RS |
2125 | read-name folder-name) |
2126 | (if (null mh-folder-list) | |
2127 | (mh-set-folder-list)) | |
9832760a | 2128 | (while (and (setq read-name (completing-read prompt mh-folder-list nil nil |
bdcfe844 | 2129 | "+" 'mh-folder-hist)) |
c26cf6c8 RS |
2130 | (equal read-name "") |
2131 | (equal default ""))) | |
2132 | (cond ((or (equal read-name "") (equal read-name "+")) | |
2133 | (setq read-name default)) | |
2134 | ((not (mh-folder-name-p read-name)) | |
2135 | (setq read-name (format "+%s" read-name)))) | |
a1b4049d BW |
2136 | (if (or (not read-name) (equal "" read-name)) |
2137 | (error "No folder specified")) | |
c26cf6c8 RS |
2138 | (setq folder-name read-name) |
2139 | (cond ((and (> (length folder-name) 0) | |
056e1e3f | 2140 | (eq (aref folder-name (1- (length folder-name))) ?/)) |
c26cf6c8 | 2141 | (setq folder-name (substring folder-name 0 -1)))) |
bdcfe844 BW |
2142 | (let ((new-file-flag |
2143 | (not (file-exists-p (mh-expand-file-name folder-name))))) | |
2144 | (cond ((and new-file-flag | |
c26cf6c8 | 2145 | (y-or-n-p |
bdcfe844 BW |
2146 | (format "Folder %s does not exist. Create it? " |
2147 | folder-name))) | |
c26cf6c8 | 2148 | (message "Creating %s" folder-name) |
bdcfe844 BW |
2149 | (mh-exec-cmd-error nil "folder" folder-name) |
2150 | (when (boundp 'mh-speed-folder-map) | |
2151 | (mh-speed-add-folder folder-name)) | |
2152 | (message "Creating %s...done" folder-name) | |
b6d4ab05 KH |
2153 | (setq mh-folder-list (cons (list read-name) mh-folder-list)) |
2154 | (run-hooks 'mh-folder-list-change-hook)) | |
bdcfe844 | 2155 | (new-file-flag |
c26cf6c8 | 2156 | (error "Folder %s is not created" folder-name)) |
b3470e4c KH |
2157 | ((not (file-directory-p (mh-expand-file-name folder-name))) |
2158 | (error "\"%s\" is not a directory" | |
2159 | (mh-expand-file-name folder-name))) | |
c26cf6c8 RS |
2160 | ((and (null (assoc read-name mh-folder-list)) |
2161 | (null (assoc (concat read-name "/") mh-folder-list))) | |
b6d4ab05 KH |
2162 | (setq mh-folder-list (cons (list read-name) mh-folder-list)) |
2163 | (run-hooks 'mh-folder-list-change-hook)))) | |
c26cf6c8 RS |
2164 | folder-name)) |
2165 | ||
bdcfe844 BW |
2166 | (defvar mh-make-folder-list-process nil) ;The background process collecting |
2167 | ;the folder list. | |
c26cf6c8 | 2168 | |
b6d4ab05 | 2169 | (defvar mh-folder-list-temp nil) ;mh-folder-list as it is being built. |
c26cf6c8 | 2170 | |
bdcfe844 BW |
2171 | (defvar mh-folder-list-partial-line "") ;Start of last incomplete line from |
2172 | ;folder process. | |
c26cf6c8 RS |
2173 | |
2174 | (defun mh-set-folder-list () | |
bdcfe844 BW |
2175 | "Set `mh-folder-list' correctly. |
2176 | A useful function for the command line or for when you need to | |
2177 | sync by hand. Format is in a form suitable for completing read. | |
2178 | The value of `mh-folder-list-change-hook' is a list of functions to be called, | |
2179 | with no arguments, once the list of folders has been created." | |
c26cf6c8 RS |
2180 | (message "Collecting folder names...") |
2181 | (if (not mh-make-folder-list-process) | |
2182 | (mh-make-folder-list-background)) | |
2183 | (while (eq (process-status mh-make-folder-list-process) 'run) | |
2184 | (accept-process-output mh-make-folder-list-process)) | |
2185 | (setq mh-folder-list mh-folder-list-temp) | |
b6d4ab05 | 2186 | (run-hooks 'mh-folder-list-change-hook) |
c26cf6c8 RS |
2187 | (setq mh-folder-list-temp nil) |
2188 | (delete-process mh-make-folder-list-process) | |
2189 | (setq mh-make-folder-list-process nil) | |
2190 | (message "Collecting folder names...done")) | |
2191 | ||
2192 | (defun mh-make-folder-list-background () | |
bdcfe844 BW |
2193 | "Start a background process to compute a list of the user's folders. |
2194 | Call `mh-set-folder-list' to wait for the result." | |
c26cf6c8 RS |
2195 | (cond |
2196 | ((not mh-make-folder-list-process) | |
eaff57bb RS |
2197 | (unless mh-inbox |
2198 | (mh-find-path)) | |
c26cf6c8 RS |
2199 | (let ((process-connection-type nil)) |
2200 | (setq mh-make-folder-list-process | |
2201 | (start-process "folders" nil (expand-file-name "folders" mh-progs) | |
2202 | "-fast" | |
bdcfe844 | 2203 | (if mh-recursive-folders-flag |
c26cf6c8 RS |
2204 | "-recurse" |
2205 | "-norecurse"))) | |
2206 | (set-process-filter mh-make-folder-list-process | |
2207 | 'mh-make-folder-list-filter) | |
2208 | (process-kill-without-query mh-make-folder-list-process))))) | |
2209 | ||
2210 | (defun mh-make-folder-list-filter (process output) | |
bdcfe844 BW |
2211 | "Given the PROCESS \"folders -fast\", parse OUTPUT. |
2212 | See also `set-process-filter'." | |
c26cf6c8 | 2213 | (let ((position 0) |
b3470e4c KH |
2214 | line-end |
2215 | new-folder | |
2216 | (prevailing-match-data (match-data))) | |
2217 | (unwind-protect | |
2218 | ;; make sure got complete line | |
2219 | (while (setq line-end (string-match "\n" output position)) | |
2220 | (setq new-folder (format "+%s%s" | |
2221 | mh-folder-list-partial-line | |
2222 | (substring output position line-end))) | |
2223 | (setq mh-folder-list-partial-line "") | |
2224 | ;; is new folder a subfolder of previous? | |
2225 | (if (and mh-folder-list-temp | |
2226 | (string-match | |
2227 | (regexp-quote | |
2228 | (concat (car (car mh-folder-list-temp)) "/")) | |
2229 | new-folder)) | |
2230 | ;; append slash to parent folder for better completion | |
2231 | ;; (undone by mh-prompt-for-folder) | |
2232 | (setq mh-folder-list-temp | |
2233 | (cons | |
2234 | (list new-folder) | |
2235 | (cons | |
2236 | (list (concat (car (car mh-folder-list-temp)) "/")) | |
2237 | (cdr mh-folder-list-temp)))) | |
c26cf6c8 RS |
2238 | (setq mh-folder-list-temp |
2239 | (cons (list new-folder) | |
b3470e4c KH |
2240 | mh-folder-list-temp))) |
2241 | (setq position (1+ line-end))) | |
f5399335 | 2242 | (set-match-data prevailing-match-data)) |
c26cf6c8 RS |
2243 | (setq mh-folder-list-partial-line (substring output position)))) |
2244 | ||
c26cf6c8 RS |
2245 | ;;; Issue commands to MH. |
2246 | ||
c26cf6c8 | 2247 | (defun mh-exec-cmd (command &rest args) |
bdcfe844 BW |
2248 | "Execute mh-command COMMAND with ARGS. |
2249 | The side effects are what is desired. | |
2250 | Any output is assumed to be an error and is shown to the user. | |
2251 | The output is not read or parsed by MH-E." | |
c26cf6c8 | 2252 | (save-excursion |
b6d4ab05 | 2253 | (set-buffer (get-buffer-create mh-temp-buffer)) |
c26cf6c8 RS |
2254 | (erase-buffer) |
2255 | (apply 'call-process | |
2256 | (expand-file-name command mh-progs) nil t nil | |
2257 | (mh-list-to-string args)) | |
2258 | (if (> (buffer-size) 0) | |
2259 | (save-window-excursion | |
b6d4ab05 | 2260 | (switch-to-buffer-other-window mh-temp-buffer) |
c26cf6c8 RS |
2261 | (sit-for 5))))) |
2262 | ||
c26cf6c8 | 2263 | (defun mh-exec-cmd-error (env command &rest args) |
bdcfe844 BW |
2264 | "In environment ENV, execute mh-command COMMAND with ARGS. |
2265 | ENV is nil or a string of space-separated \"var=value\" elements. | |
2266 | Signals an error if process does not complete successfully." | |
c26cf6c8 | 2267 | (save-excursion |
b6d4ab05 | 2268 | (set-buffer (get-buffer-create mh-temp-buffer)) |
c26cf6c8 RS |
2269 | (erase-buffer) |
2270 | (let ((status | |
2271 | (if env | |
2272 | ;; the shell hacks necessary here shows just how broken Unix is | |
2273 | (apply 'call-process "/bin/sh" nil t nil "-c" | |
2274 | (format "%s %s ${1+\"$@\"}" | |
a1b4049d | 2275 | env |
c26cf6c8 RS |
2276 | (expand-file-name command mh-progs)) |
2277 | command | |
2278 | (mh-list-to-string args)) | |
2279 | (apply 'call-process | |
2280 | (expand-file-name command mh-progs) nil t nil | |
2281 | (mh-list-to-string args))))) | |
2282 | (mh-handle-process-error command status)))) | |
2283 | ||
c26cf6c8 | 2284 | (defun mh-exec-cmd-daemon (command &rest args) |
bdcfe844 BW |
2285 | "Execute MH command COMMAND with ARGS in the background. |
2286 | Any output from command is displayed in an asynchronous pop-up window." | |
c26cf6c8 | 2287 | (save-excursion |
b6d4ab05 | 2288 | (set-buffer (get-buffer-create mh-temp-buffer)) |
c26cf6c8 RS |
2289 | (erase-buffer)) |
2290 | (let* ((process-connection-type nil) | |
2291 | (process (apply 'start-process | |
2292 | command nil | |
2293 | (expand-file-name command mh-progs) | |
2294 | (mh-list-to-string args)))) | |
2295 | (set-process-filter process 'mh-process-daemon))) | |
2296 | ||
2297 | (defun mh-process-daemon (process output) | |
bdcfe844 | 2298 | "PROCESS daemon that puts OUTPUT into a temporary buffer." |
b6d4ab05 | 2299 | (set-buffer (get-buffer-create mh-temp-buffer)) |
c26cf6c8 | 2300 | (insert-before-markers output) |
b6d4ab05 | 2301 | (display-buffer mh-temp-buffer)) |
c26cf6c8 | 2302 | |
c26cf6c8 | 2303 | (defun mh-exec-cmd-quiet (raise-error command &rest args) |
bdcfe844 BW |
2304 | "Signal RAISE-ERROR if COMMAND with ARGS fails. |
2305 | Execute MH command COMMAND with ARGS. ARGS is a list of strings. | |
2306 | Return at start of mh-temp buffer, where output can be parsed and used. | |
2307 | Returns value of `call-process', which is 0 for success, unless RAISE-ERROR is | |
2308 | non-nil, in which case an error is signaled if `call-process' returns non-0." | |
b6d4ab05 | 2309 | (set-buffer (get-buffer-create mh-temp-buffer)) |
c26cf6c8 RS |
2310 | (erase-buffer) |
2311 | (let ((value | |
2312 | (apply 'call-process | |
2313 | (expand-file-name command mh-progs) nil t nil | |
2314 | args))) | |
2315 | (goto-char (point-min)) | |
2316 | (if raise-error | |
2317 | (mh-handle-process-error command value) | |
2318 | value))) | |
2319 | ||
bdcfe844 BW |
2320 | (defun mh-exchange-point-and-mark-preserving-active-mark () |
2321 | "Put the mark where point is now, and point where the mark is now. | |
2322 | This command works even when the mark is not active, and preserves whether the | |
2323 | mark is active or not." | |
2324 | (interactive nil) | |
2325 | (let ((is-active (and (boundp 'mark-active) mark-active))) | |
2326 | (let ((omark (mark t))) | |
2327 | (if (null omark) | |
2328 | (error "No mark set in this buffer")) | |
2329 | (set-mark (point)) | |
2330 | (goto-char omark) | |
2331 | (if (boundp 'mark-active) | |
2332 | (setq mark-active is-active)) | |
2333 | nil))) | |
c26cf6c8 RS |
2334 | |
2335 | (defun mh-exec-cmd-output (command display &rest args) | |
bdcfe844 BW |
2336 | "Execute MH command COMMAND with DISPLAY flag and ARGS. |
2337 | Put the output into buffer after point. Set mark after inserted text. | |
2338 | Output is expected to be shown to user, not parsed by MH-E." | |
c26cf6c8 RS |
2339 | (push-mark (point) t) |
2340 | (apply 'call-process | |
2341 | (expand-file-name command mh-progs) nil t display | |
2342 | (mh-list-to-string args)) | |
c26cf6c8 | 2343 | |
bdcfe844 BW |
2344 | ;; The following is used instead of 'exchange-point-and-mark because the |
2345 | ;; latter activates the current region (between point and mark), which | |
2346 | ;; turns on highlighting. So prior to this bug fix, doing "inc" would | |
2347 | ;; highlight a region containing the new messages, which is undesirable. | |
2348 | ;; The bug wasn't seen in emacs21 but still occurred in XEmacs21.4. | |
2349 | (mh-exchange-point-and-mark-preserving-active-mark)) | |
c26cf6c8 RS |
2350 | |
2351 | (defun mh-exec-lib-cmd-output (command &rest args) | |
bdcfe844 BW |
2352 | "Execute MH library command COMMAND with ARGS. |
2353 | Put the output into buffer after point. Set mark after inserted text." | |
ae3864d7 | 2354 | (apply 'mh-exec-cmd-output (expand-file-name command mh-lib-progs) nil args)) |
c26cf6c8 | 2355 | |
c26cf6c8 | 2356 | (defun mh-handle-process-error (command status) |
bdcfe844 BW |
2357 | "Raise error if COMMAND returned non-zero STATUS, otherwise return STATUS. |
2358 | STATUS is return value from `call-process'. | |
2359 | Program output is in current buffer. | |
2360 | If output is too long to include in error message, display the buffer." | |
056e1e3f | 2361 | (cond ((eq status 0) ;success |
c26cf6c8 RS |
2362 | status) |
2363 | ((stringp status) ;kill string | |
52304255 | 2364 | (error "%s: %s" command status)) |
c26cf6c8 RS |
2365 | (t ;exit code |
2366 | (cond | |
2367 | ((= (buffer-size) 0) ;program produced no error message | |
52304255 | 2368 | (error "%s: exit code %d" command status)) |
c26cf6c8 RS |
2369 | (t |
2370 | ;; will error message fit on one line? | |
2371 | (goto-line 2) | |
ec5b8815 | 2372 | (if (and (< (buffer-size) (frame-width)) |
c26cf6c8 | 2373 | (eobp)) |
52304255 KH |
2374 | (error "%s" |
2375 | (buffer-substring 1 (progn (goto-char 1) | |
c26cf6c8 RS |
2376 | (end-of-line) |
2377 | (point)))) | |
2378 | (display-buffer (current-buffer)) | |
60370d40 | 2379 | (error "%s failed with status %d. See error message in other window" |
52304255 | 2380 | command status))))))) |
c26cf6c8 | 2381 | |
c26cf6c8 | 2382 | (defun mh-list-to-string (l) |
bdcfe844 | 2383 | "Flatten the list L and make every element of the new list into a string." |
c26cf6c8 RS |
2384 | (nreverse (mh-list-to-string-1 l))) |
2385 | ||
2386 | (defun mh-list-to-string-1 (l) | |
bdcfe844 | 2387 | "Flatten the list L and make every element of the new list into a string." |
c26cf6c8 RS |
2388 | (let ((new-list nil)) |
2389 | (while l | |
2390 | (cond ((null (car l))) | |
2391 | ((symbolp (car l)) | |
2392 | (setq new-list (cons (symbol-name (car l)) new-list))) | |
2393 | ((numberp (car l)) | |
2394 | (setq new-list (cons (int-to-string (car l)) new-list))) | |
2395 | ((equal (car l) "")) | |
2396 | ((stringp (car l)) (setq new-list (cons (car l) new-list))) | |
2397 | ((listp (car l)) | |
2398 | (setq new-list (nconc (mh-list-to-string-1 (car l)) | |
2399 | new-list))) | |
2400 | (t (error "Bad element in mh-list-to-string: %s" (car l)))) | |
2401 | (setq l (cdr l))) | |
2402 | new-list)) | |
2403 | ||
2404 | (provide 'mh-utils) | |
2405 | ||
bdcfe844 BW |
2406 | ;;; Local Variables: |
2407 | ;;; sentence-end-double-space: nil | |
2408 | ;;; End: | |
2409 | ||
c26cf6c8 | 2410 | ;;; mh-utils.el ends here |