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bdcfe844 | 1 | ;;; mh-funcs.el --- MH-E functions not everyone will use right away |
c26cf6c8 | 2 | |
a1b4049d BW |
3 | ;; Copyright (C) 1993, 1995, 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 BW |
29 | ;; Internal support for MH-E package. |
30 | ;; Putting these functions in a separate file lets MH-E start up faster, | |
b578f267 | 31 | ;; since less Lisp code needs to be loaded all at once. |
c26cf6c8 | 32 | |
847b8219 KH |
33 | ;;; Change Log: |
34 | ||
a1506d29 | 35 | ;; $Id: mh-funcs.el,v 1.2 2003/02/03 20:55:30 wohler Exp $ |
847b8219 | 36 | |
c26cf6c8 RS |
37 | ;;; Code: |
38 | ||
c26cf6c8 RS |
39 | (require 'mh-e) |
40 | ||
c3d9274a | 41 | ;;; Customization |
847b8219 | 42 | |
c26cf6c8 RS |
43 | (defvar mh-sortm-args nil |
44 | "Extra arguments to have \\[mh-sort-folder] pass to the \"sortm\" command. | |
847b8219 KH |
45 | The arguments are passed to sortm if \\[mh-sort-folder] is given a |
46 | prefix argument. Normally default arguments to sortm are specified in the | |
47 | MH profile. | |
c26cf6c8 RS |
48 | For example, '(\"-nolimit\" \"-textfield\" \"subject\") is a useful setting.") |
49 | ||
847b8219 KH |
50 | (defvar mh-note-copied "C" |
51 | "String whose first character is used to notate copied messages.") | |
52 | ||
53 | (defvar mh-note-printed "P" | |
54 | "String whose first character is used to notate printed messages.") | |
55 | ||
bdcfe844 | 56 | ;;; Functions |
847b8219 | 57 | |
c3d9274a | 58 | ;;;###mh-autoload |
c26cf6c8 RS |
59 | (defun mh-burst-digest () |
60 | "Burst apart the current message, which should be a digest. | |
847b8219 | 61 | The message is replaced by its table of contents and the messages from the |
c26cf6c8 RS |
62 | digest are inserted into the folder after that message." |
63 | (interactive) | |
64 | (let ((digest (mh-get-msg-num t))) | |
65 | (mh-process-or-undo-commands mh-current-folder) | |
c3d9274a | 66 | (mh-set-folder-modified-p t) ; lock folder while bursting |
c26cf6c8 RS |
67 | (message "Bursting digest...") |
68 | (mh-exec-cmd "burst" mh-current-folder digest "-inplace") | |
847b8219 KH |
69 | (with-mh-folder-updating (t) |
70 | (beginning-of-line) | |
71 | (delete-region (point) (point-max))) | |
72 | (mh-regenerate-headers (format "%d-last" digest) t) | |
73 | (mh-goto-cur-msg) | |
c26cf6c8 RS |
74 | (message "Bursting digest...done"))) |
75 | ||
c3d9274a | 76 | ;;;###mh-autoload |
847b8219 | 77 | (defun mh-copy-msg (msg-or-seq folder) |
a1b4049d | 78 | "Copy the specified MSG-OR-SEQ to another FOLDER without deleting them. |
bdcfe844 BW |
79 | Default is the displayed message. If optional prefix argument is provided, |
80 | then prompt for the message sequence." | |
c3d9274a BW |
81 | (interactive (list (cond |
82 | ((mh-mark-active-p t) | |
3d7ca223 | 83 | (cons (region-beginning) (region-end))) |
c3d9274a BW |
84 | (current-prefix-arg |
85 | (mh-read-seq-default "Copy" t)) | |
86 | (t | |
3d7ca223 | 87 | (cons (line-beginning-position) (line-end-position)))) |
c3d9274a | 88 | (mh-prompt-for-folder "Copy to" "" t))) |
3d7ca223 BW |
89 | (let ((msg-list (cond ((numberp msg-or-seq) (list msg-or-seq)) |
90 | ((symbolp msg-or-seq) (mh-seq-to-msgs msg-or-seq)) | |
91 | ((and (consp msg-or-seq) (numberp (car msg-or-seq)) | |
92 | (numberp (cdr msg-or-seq))) | |
93 | (let ((result ())) | |
94 | (mh-iterate-on-messages-in-region msg | |
95 | (car msg-or-seq) (cdr msg-or-seq) | |
96 | (mh-notate nil mh-note-copied mh-cmd-note) | |
97 | (push msg result)) | |
98 | result)) | |
99 | (t msg-or-seq)))) | |
100 | (mh-exec-cmd "refile" (mh-coalesce-msg-list msg-list) | |
101 | "-link" "-src" mh-current-folder folder) | |
102 | (cond ((numberp msg-or-seq) | |
103 | (mh-notate msg-or-seq mh-note-copied mh-cmd-note)) | |
104 | ((symbolp msg-or-seq) | |
105 | (mh-notate-seq msg-or-seq mh-note-copied mh-cmd-note))))) | |
c26cf6c8 | 106 | |
c3d9274a | 107 | ;;;###mh-autoload |
c26cf6c8 | 108 | (defun mh-kill-folder () |
a1b4049d BW |
109 | "Remove the current folder and all included messages. |
110 | Removes all of the messages (files) within the specified current folder, | |
3d7ca223 | 111 | and then removes the folder (directory) itself." |
c26cf6c8 | 112 | (interactive) |
3d7ca223 BW |
113 | (if (or mh-index-data |
114 | (yes-or-no-p (format "Remove folder %s (and all included messages)?" | |
115 | mh-current-folder))) | |
116 | (let ((folder mh-current-folder) | |
117 | (window-config mh-previous-window-config)) | |
c3d9274a | 118 | (mh-set-folder-modified-p t) ; lock folder to kill it |
3d7ca223 | 119 | (mh-exec-cmd-daemon "rmf" 'mh-rmf-daemon folder) |
bdcfe844 BW |
120 | (when (boundp 'mh-speed-folder-map) |
121 | (mh-speed-invalidate-map folder)) | |
3d7ca223 | 122 | (mh-remove-from-sub-folders-cache folder) |
c3d9274a | 123 | (mh-set-folder-modified-p nil) ; so kill-buffer doesn't complain |
3d7ca223 | 124 | (if (and mh-show-buffer (get-buffer mh-show-buffer)) |
c3d9274a BW |
125 | (kill-buffer mh-show-buffer)) |
126 | (if (get-buffer folder) | |
3d7ca223 BW |
127 | (kill-buffer folder)) |
128 | (when window-config | |
129 | (set-window-configuration window-config)) | |
130 | (message "Folder %s removed" folder)) | |
c3d9274a | 131 | (message "Folder not removed"))) |
c26cf6c8 | 132 | |
3d7ca223 BW |
133 | (defun mh-rmf-daemon (process output) |
134 | "The rmf PROCESS puts OUTPUT in temporary buffer. | |
135 | Display the results only if something went wrong." | |
136 | (set-buffer (get-buffer-create mh-temp-buffer)) | |
137 | (insert-before-markers output) | |
138 | (when (save-excursion | |
139 | (beginning-of-buffer) | |
140 | (re-search-forward "^rmf: " (point-max) t)) | |
141 | (display-buffer mh-temp-buffer))) | |
142 | ||
bdcfe844 BW |
143 | ;; Avoid compiler warning... |
144 | (defvar view-exit-action) | |
c26cf6c8 | 145 | |
c3d9274a | 146 | ;;;###mh-autoload |
c26cf6c8 RS |
147 | (defun mh-list-folders () |
148 | "List mail folders." | |
149 | (interactive) | |
3d7ca223 | 150 | (let ((temp-buffer mh-folders-buffer)) |
a1b4049d BW |
151 | (with-output-to-temp-buffer temp-buffer |
152 | (save-excursion | |
c3d9274a BW |
153 | (set-buffer temp-buffer) |
154 | (erase-buffer) | |
155 | (message "Listing folders...") | |
156 | (mh-exec-cmd-output "folders" t (if mh-recursive-folders-flag | |
157 | "-recurse" | |
158 | "-norecurse")) | |
159 | (goto-char (point-min)) | |
160 | (view-mode 1) | |
161 | (setq view-exit-action 'kill-buffer) | |
162 | (message "Listing folders...done"))))) | |
163 | ||
164 | ;;;###mh-autoload | |
c26cf6c8 RS |
165 | (defun mh-pack-folder (range) |
166 | "Renumber the messages of a folder to be 1..n. | |
bdcfe844 BW |
167 | First, offer to execute any outstanding commands for the current folder. If |
168 | optional prefix argument provided, prompt for the RANGE of messages to display | |
169 | after packing. Otherwise, show the entire folder." | |
c26cf6c8 | 170 | (interactive (list (if current-prefix-arg |
c3d9274a BW |
171 | (mh-read-msg-range mh-current-folder t) |
172 | '("all")))) | |
173 | (let ((threaded-flag (memq 'unthread mh-view-ops))) | |
174 | (mh-pack-folder-1 range) | |
175 | (mh-goto-cur-msg) | |
176 | (when mh-index-data | |
177 | (mh-index-update-maps mh-current-folder)) | |
178 | (cond (threaded-flag (mh-toggle-threads)) | |
179 | (mh-index-data (mh-index-insert-folder-headers)))) | |
c26cf6c8 RS |
180 | (message "Packing folder...done")) |
181 | ||
c26cf6c8 | 182 | (defun mh-pack-folder-1 (range) |
bdcfe844 BW |
183 | "Close and pack the current folder. |
184 | Display the given RANGE of messages after packing. If RANGE is nil, show the | |
185 | entire folder." | |
c26cf6c8 RS |
186 | (mh-process-or-undo-commands mh-current-folder) |
187 | (message "Packing folder...") | |
c3d9274a | 188 | (mh-set-folder-modified-p t) ; lock folder while packing |
c26cf6c8 | 189 | (save-excursion |
847b8219 | 190 | (mh-exec-cmd-quiet t "folder" mh-current-folder "-pack" |
c3d9274a | 191 | "-norecurse" "-fast")) |
bdcfe844 | 192 | (mh-reset-threads-and-narrowing) |
c26cf6c8 RS |
193 | (mh-regenerate-headers range)) |
194 | ||
c3d9274a | 195 | ;;;###mh-autoload |
c26cf6c8 RS |
196 | (defun mh-pipe-msg (command include-headers) |
197 | "Pipe the current message through the given shell COMMAND. | |
198 | If INCLUDE-HEADERS (prefix argument) is provided, send the entire message. | |
199 | Otherwise just send the message's body without the headers." | |
200 | (interactive | |
201 | (list (read-string "Shell command on message: ") current-prefix-arg)) | |
847b8219 | 202 | (let ((msg-file-to-pipe (mh-msg-filename (mh-get-msg-num t))) |
c3d9274a | 203 | (message-directory default-directory)) |
c26cf6c8 | 204 | (save-excursion |
847b8219 | 205 | (set-buffer (get-buffer-create mh-temp-buffer)) |
c26cf6c8 | 206 | (erase-buffer) |
847b8219 | 207 | (insert-file-contents msg-file-to-pipe) |
c26cf6c8 RS |
208 | (goto-char (point-min)) |
209 | (if (not include-headers) (search-forward "\n\n")) | |
847b8219 | 210 | (let ((default-directory message-directory)) |
c3d9274a | 211 | (shell-command-on-region (point) (point-max) command nil))))) |
c26cf6c8 | 212 | |
c3d9274a | 213 | ;;;###mh-autoload |
c26cf6c8 RS |
214 | (defun mh-page-digest () |
215 | "Advance displayed message to next digested message." | |
216 | (interactive) | |
217 | (mh-in-show-buffer (mh-show-buffer) | |
218 | ;; Go to top of screen (in case user moved point). | |
219 | (move-to-window-line 0) | |
220 | (let ((case-fold-search nil)) | |
221 | ;; Search for blank line and then for From: | |
222 | (or (and (search-forward "\n\n" nil t) | |
c3d9274a BW |
223 | (re-search-forward "^From:" nil t)) |
224 | (error "No more messages in digest"))) | |
c26cf6c8 RS |
225 | ;; Go back to previous blank line, then forward to the first non-blank. |
226 | (search-backward "\n\n" nil t) | |
227 | (forward-line 2) | |
228 | (mh-recenter 0))) | |
229 | ||
c3d9274a | 230 | ;;;###mh-autoload |
c26cf6c8 RS |
231 | (defun mh-page-digest-backwards () |
232 | "Back up displayed message to previous digested message." | |
233 | (interactive) | |
234 | (mh-in-show-buffer (mh-show-buffer) | |
235 | ;; Go to top of screen (in case user moved point). | |
236 | (move-to-window-line 0) | |
237 | (let ((case-fold-search nil)) | |
238 | (beginning-of-line) | |
239 | (or (and (search-backward "\n\n" nil t) | |
c3d9274a BW |
240 | (re-search-backward "^From:" nil t)) |
241 | (error "No previous message in digest"))) | |
c26cf6c8 RS |
242 | ;; Go back to previous blank line, then forward to the first non-blank. |
243 | (if (search-backward "\n\n" nil t) | |
c3d9274a | 244 | (forward-line 2)) |
c26cf6c8 RS |
245 | (mh-recenter 0))) |
246 | ||
c3d9274a | 247 | ;;;###mh-autoload |
c26cf6c8 | 248 | (defun mh-print-msg (msg-or-seq) |
a1b4049d | 249 | "Print MSG-OR-SEQ (default: displayed message) on printer. |
c26cf6c8 | 250 | If optional prefix argument provided, then prompt for the message sequence. |
a1b4049d | 251 | The variable `mh-lpr-command-format' is used to generate the print command. |
bdcfe844 | 252 | The messages are formatted by mhl. See the variable `mhl-formfile'." |
c26cf6c8 | 253 | (interactive (list (if current-prefix-arg |
c3d9274a BW |
254 | (reverse (mh-seq-to-msgs |
255 | (mh-read-seq-default "Print" t))) | |
256 | (mh-get-msg-num t)))) | |
c26cf6c8 RS |
257 | (if (numberp msg-or-seq) |
258 | (message "Printing message...") | |
c3d9274a | 259 | (message "Printing sequence...")) |
c26cf6c8 | 260 | (let ((print-command |
c3d9274a BW |
261 | (if (numberp msg-or-seq) |
262 | (format "%s -nobell -clear %s %s | %s" | |
263 | (expand-file-name "mhl" mh-lib-progs) | |
264 | (mh-msg-filename msg-or-seq) | |
265 | (if (stringp mhl-formfile) | |
266 | (format "-form %s" mhl-formfile) | |
267 | "") | |
268 | (format mh-lpr-command-format | |
269 | (if (numberp msg-or-seq) | |
270 | (format "%s/%d" mh-current-folder | |
271 | msg-or-seq) | |
272 | (format "Sequence from %s" mh-current-folder)))) | |
273 | (format "(scan -clear %s ; %s -nobell -clear %s %s) | %s" | |
274 | (mapconcat (function (lambda (msg) msg)) msg-or-seq " ") | |
275 | (expand-file-name "mhl" mh-lib-progs) | |
276 | (if (stringp mhl-formfile) | |
277 | (format "-form %s" mhl-formfile) | |
278 | "") | |
279 | (mh-msg-filenames msg-or-seq) | |
280 | (format mh-lpr-command-format | |
281 | (if (numberp msg-or-seq) | |
282 | (format "%s/%d" mh-current-folder | |
283 | msg-or-seq) | |
284 | (format "Sequence from %s" | |
285 | mh-current-folder))))))) | |
bdcfe844 | 286 | (if mh-print-background-flag |
3d7ca223 | 287 | (mh-exec-cmd-daemon shell-file-name nil "-c" print-command) |
c26cf6c8 RS |
288 | (call-process shell-file-name nil nil nil "-c" print-command)) |
289 | (if (numberp msg-or-seq) | |
c3d9274a BW |
290 | (mh-notate msg-or-seq mh-note-printed mh-cmd-note) |
291 | (mh-notate-seq msg-or-seq mh-note-printed mh-cmd-note)) | |
c26cf6c8 RS |
292 | (mh-add-msgs-to-seq msg-or-seq 'printed t) |
293 | (if (numberp msg-or-seq) | |
c3d9274a BW |
294 | (message "Printing message...done") |
295 | (message "Printing sequence...done")))) | |
c26cf6c8 | 296 | |
c26cf6c8 | 297 | (defun mh-msg-filenames (msgs &optional folder) |
bdcfe844 | 298 | "Return a list of file names for MSGS in FOLDER (default current folder)." |
c26cf6c8 RS |
299 | (mapconcat (function (lambda (msg) (mh-msg-filename msg folder))) msgs " ")) |
300 | ||
c3d9274a | 301 | ;;;###mh-autoload |
847b8219 | 302 | (defun mh-sort-folder (&optional extra-args) |
c26cf6c8 RS |
303 | "Sort the messages in the current folder by date. |
304 | Calls the MH program sortm to do the work. | |
bdcfe844 BW |
305 | The arguments in the list `mh-sortm-args' are passed to sortm if the optional |
306 | argument EXTRA-ARGS is given." | |
c26cf6c8 RS |
307 | (interactive "P") |
308 | (mh-process-or-undo-commands mh-current-folder) | |
309 | (setq mh-next-direction 'forward) | |
c3d9274a | 310 | (mh-set-folder-modified-p t) ; lock folder while sorting |
c26cf6c8 | 311 | (message "Sorting folder...") |
c3d9274a BW |
312 | (let ((threaded-flag (memq 'unthread mh-view-ops))) |
313 | (mh-exec-cmd "sortm" mh-current-folder (if extra-args mh-sortm-args)) | |
314 | (when mh-index-data | |
315 | (mh-index-update-maps mh-current-folder)) | |
316 | (message "Sorting folder...done") | |
317 | (mh-reset-threads-and-narrowing) | |
318 | (mh-scan-folder mh-current-folder "all") | |
319 | (cond (threaded-flag (mh-toggle-threads)) | |
320 | (mh-index-data (mh-index-insert-folder-headers))))) | |
321 | ||
322 | ;;;###mh-autoload | |
c26cf6c8 | 323 | (defun mh-undo-folder (&rest ignore) |
a1b4049d BW |
324 | "Undo all pending deletes and refiles in current folder. |
325 | Argument IGNORE is deprecated." | |
c26cf6c8 | 326 | (interactive) |
bdcfe844 | 327 | (cond ((or mh-do-not-confirm-flag |
c3d9274a BW |
328 | (yes-or-no-p "Undo all commands in folder? ")) |
329 | (setq mh-delete-list nil | |
330 | mh-refile-list nil | |
331 | mh-seq-list nil | |
332 | mh-next-direction 'forward) | |
333 | (with-mh-folder-updating (nil) | |
334 | (mh-unmark-all-headers t))) | |
335 | (t | |
336 | (message "Commands not undone.") | |
337 | (sit-for 2)))) | |
338 | ||
339 | ;;;###mh-autoload | |
847b8219 | 340 | (defun mh-store-msg (directory) |
c26cf6c8 RS |
341 | "Store the file(s) contained in the current message into DIRECTORY. |
342 | The message can contain a shar file or uuencoded file. | |
343 | Default directory is the last directory used, or initially the value of | |
a1b4049d | 344 | `mh-store-default-directory' or the current directory." |
c3d9274a BW |
345 | (interactive (list (let ((udir (or mh-store-default-directory |
346 | default-directory))) | |
347 | (read-file-name "Store message in directory: " | |
348 | udir udir nil)))) | |
847b8219 | 349 | (let ((msg-file-to-store (mh-msg-filename (mh-get-msg-num t)))) |
c26cf6c8 | 350 | (save-excursion |
847b8219 | 351 | (set-buffer (get-buffer-create mh-temp-buffer)) |
c26cf6c8 | 352 | (erase-buffer) |
847b8219 KH |
353 | (insert-file-contents msg-file-to-store) |
354 | (mh-store-buffer directory)))) | |
c26cf6c8 | 355 | |
c3d9274a | 356 | ;;;###mh-autoload |
847b8219 | 357 | (defun mh-store-buffer (directory) |
c26cf6c8 RS |
358 | "Store the file(s) contained in the current buffer into DIRECTORY. |
359 | The buffer can contain a shar file or uuencoded file. | |
360 | Default directory is the last directory used, or initially the value of | |
361 | `mh-store-default-directory' or the current directory." | |
bdcfe844 | 362 | (interactive (list (let ((udir (or mh-store-default-directory |
c3d9274a BW |
363 | default-directory))) |
364 | (read-file-name "Store buffer in directory: " | |
365 | udir udir nil)))) | |
847b8219 | 366 | (let ((store-directory (expand-file-name directory)) |
c3d9274a BW |
367 | (sh-start (save-excursion |
368 | (goto-char (point-min)) | |
369 | (if (re-search-forward | |
370 | "^#![ \t]*/bin/sh\\|^#\\|^: " nil t) | |
371 | (progn | |
372 | ;; The "cut here" pattern was removed from above | |
373 | ;; because it seemed to hurt more than help. | |
374 | ;; But keep this to make it easier to put it back. | |
375 | (if (looking-at "^[^a-z0-9\"]*cut here\\b") | |
376 | (forward-line 1)) | |
377 | (beginning-of-line) | |
378 | (if (looking-at "^[#:]....+\n\\( ?\n\\)?end$") | |
379 | nil ;most likely end of a uuencode | |
380 | (point)))))) | |
381 | (log-buffer (get-buffer-create "*Store Output*")) | |
382 | (command "sh") | |
383 | (uudecode-filename "(unknown filename)")) | |
847b8219 | 384 | (if (not sh-start) |
c3d9274a BW |
385 | (save-excursion |
386 | (goto-char (point-min)) | |
387 | (if (re-search-forward "^begin [0-7]+ " nil t) | |
388 | (setq uudecode-filename | |
389 | (buffer-substring (point) | |
390 | (progn (end-of-line) (point))))))) | |
c26cf6c8 RS |
391 | (save-excursion |
392 | (set-buffer log-buffer) | |
393 | (erase-buffer) | |
394 | (if (not (file-directory-p store-directory)) | |
c3d9274a BW |
395 | (progn |
396 | (insert "mkdir " directory "\n") | |
397 | (call-process "mkdir" nil log-buffer t store-directory))) | |
847b8219 KH |
398 | (insert "cd " directory "\n") |
399 | (setq mh-store-default-directory directory) | |
400 | (if (not sh-start) | |
c3d9274a BW |
401 | (progn |
402 | (setq command "uudecode") | |
403 | (insert uudecode-filename " being uudecoded...\n")))) | |
c26cf6c8 | 404 | (set-window-start (display-buffer log-buffer) 0) ;watch progress |
847b8219 KH |
405 | (let (value) |
406 | (let ((default-directory (file-name-as-directory store-directory))) | |
c3d9274a BW |
407 | (setq value (call-process-region sh-start (point-max) command |
408 | nil log-buffer t))) | |
847b8219 KH |
409 | (set-buffer log-buffer) |
410 | (mh-handle-process-error command value)) | |
c26cf6c8 | 411 | (insert "\n(mh-store finished)\n"))) |
bdcfe844 BW |
412 | |
413 | \f | |
414 | ||
415 | ;;; Help Functions | |
416 | ||
417 | (defun mh-ephem-message (string) | |
418 | "Display STRING in the minibuffer momentarily." | |
419 | (message "%s" string) | |
420 | (sit-for 5) | |
421 | (message "")) | |
422 | ||
c3d9274a | 423 | ;;;###mh-autoload |
bdcfe844 BW |
424 | (defun mh-help () |
425 | "Display cheat sheet for the MH-Folder commands in minibuffer." | |
426 | (interactive) | |
427 | (mh-ephem-message | |
428 | (substitute-command-keys | |
429 | (mapconcat 'identity (cdr (assoc nil mh-help-messages)) "")))) | |
a1506d29 | 430 | |
c3d9274a | 431 | ;;;###mh-autoload |
bdcfe844 BW |
432 | (defun mh-prefix-help () |
433 | "Display cheat sheet for the commands of the current prefix in minibuffer." | |
434 | (interactive) | |
435 | ;; We got here because the user pressed a `?', but he pressed a prefix key | |
436 | ;; before that. Since the the key vector starts at index 0, the index of the | |
437 | ;; last keystroke is length-1 and thus the second to last keystroke is at | |
438 | ;; length-2. We use that information to obtain a suitable prefix character | |
439 | ;; from the recent keys. | |
440 | (let* ((keys (recent-keys)) | |
c3d9274a | 441 | (prefix-char (elt keys (- (length keys) 2)))) |
bdcfe844 BW |
442 | (mh-ephem-message |
443 | (substitute-command-keys | |
444 | (mapconcat 'identity (cdr (assoc prefix-char mh-help-messages)) ""))))) | |
445 | ||
446 | (provide 'mh-funcs) | |
447 | ||
448 | ;;; Local Variables: | |
c3d9274a | 449 | ;;; indent-tabs-mode: nil |
bdcfe844 BW |
450 | ;;; sentence-end-double-space: nil |
451 | ;;; End: | |
452 | ||
60370d40 | 453 | ;;; mh-funcs.el ends here |