1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
;;; org-mu4e -- Support for links to mu4e messages/queries from within org-mode,
;;; and for writing message in org-mode, sending them as rich-text
;;
;; Copyright (C) 2012-2016 Dirk-Jan C. Binnema
;; Author: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
;; Maintainer: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
;; Keywords: outlines, hypermedia, calendar, mail
;; Version: 0.0
;; This file is not part of GNU Emacs.
;;
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
;; This should support org-mode versions 6.x. 7.x
;; the 'noerror is just to make sure bytecompilations does not break...
;; FIXME: find a better solution
(require 'org nil 'noerror)
(require 'org-exp nil 'noerror)
(eval-when-compile (require 'cl))
(require 'mu4e)
(defgroup org-mu4e nil
"Settings for the org-mode related functionality in mu4e."
:group 'mu4e
:group 'org)
(defcustom org-mu4e-link-desc-func
(lambda (msg) (or (plist-get msg :subject) "No subject"))
"Function that takes a msg and returns a string for the
description part of an org-mode link.
Example usage:
(defun my-link-descr (msg)
(let ((subject (or (plist-get msg :subject)
\"No subject\"))
(date (or (format-time-string mu4e-headers-date-format
(mu4e-msg-field msg :date))
\"No date\")))
(concat subject \" \" date)))
(setq org-mu4e-link-desc-func 'my-link-descr)"
:type 'function
:group 'org-mu4e)
(defun org-mu4e-store-link ()
"Store a link to a mu4e query or message."
(cond
;; storing links to queries
((eq major-mode 'mu4e-headers-mode)
(let* ((query (mu4e-last-query))
desc link)
(org-store-link-props :type "mu4e" :query query)
(setq
desc (concat "mu4e:query:" query)
link desc)
(org-add-link-props :link link :description desc)
link))
;; storing links to messages
((eq major-mode 'mu4e-view-mode)
(let* ((msg (mu4e-message-at-point))
(msgid (or (plist-get msg :message-id) "<none>"))
link)
(org-store-link-props :type "mu4e" :link link
:message-id msgid)
(setq link (concat "mu4e:msgid:" msgid))
(org-add-link-props :link link
:description (funcall org-mu4e-link-desc-func msg))
link))))
(org-add-link-type "mu4e" 'org-mu4e-open)
(add-hook 'org-store-link-functions 'org-mu4e-store-link)
(defun org-mu4e-open (path)
"Open the mu4e message (for paths starting with 'msgid:') or run
the query (for paths starting with 'query:')."
(require 'mu4e)
(cond
((string-match "^msgid:\\(.+\\)" path)
(mu4e-view-message-with-message-id (match-string 1 path)))
((string-match "^query:\\(.+\\)" path)
(mu4e-headers-search (match-string 1 path) current-prefix-arg))
(t (mu4e-error "mu4e: unrecognized link type '%s'" path))))
;;; editing with org-mode ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; below, some functions for the org->html conversion
;; based on / inspired by Eric Schulte's org-mime.el
;; Homepage: http://orgmode.org/worg/org-contrib/org-mime.php
;;
;; EXPERIMENTAL
(defun org~mu4e-mime-file (ext path id)
"Create a file for an attachment."
(format (concat "<#part type=\"%s\" filename=\"%s\" "
"disposition=inline id=\"<%s>\">\n<#/part>\n")
ext path id))
(defun org~mu4e-mime-multipart (plain html &optional images)
"Create a multipart/alternative with text/plain and text/html alternatives.
If the html portion of the message includes images, wrap the html
and images in a multipart/related part."
(concat "<#multipart type=alternative><#part type=text/plain>"
plain
(when images "<#multipart type=related>")
"<#part type=text/html>"
html
images
(when images "<#/multipart>\n")
"<#/multipart>\n"))
(defun org~mu4e-mime-replace-images (str current-file)
"Replace images in html files with cid links."
(let (html-images)
(cons
(replace-regexp-in-string ;; replace images in html
"src=\"\\([^\"]+\\)\""
(lambda (text)
(format
"src=\"cid:%s\""
(let* ((url (and (string-match "src=\"\\([^\"]+\\)\"" text)
(match-string 1 text)))
(path (expand-file-name
url (file-name-directory current-file)))
(ext (file-name-extension path))
(id (replace-regexp-in-string "[\/\\\\]" "_" path)))
(add-to-list 'html-images
(org~mu4e-mime-file
(concat "image/" ext) path id))
id)))
str)
html-images)))
(defun org~mu4e-mime-convert-to-html ()
"Convert the current body to html."
(unless (fboundp 'org-export-string)
(mu4e-error "require function 'org-export-string not found."))
(unless (executable-find "dvipng")
(mu4e-error "Required program dvipng not found"))
(let* ((begin
(save-excursion
(goto-char (point-min))
(search-forward mail-header-separator)))
(end (point-max))
(raw-body (buffer-substring begin end))
(tmp-file (make-temp-name (expand-file-name "mail"
temporary-file-directory)))
(body (org-export-string raw-body 'org
(file-name-directory tmp-file)))
;; because we probably don't want to skip part of our mail
(org-export-skip-text-before-1st-heading nil)
;; because we probably don't want to export a huge style file
(org-export-htmlize-output-type 'inline-css)
;; makes the replies with ">"s look nicer
(org-export-preserve-breaks t)
;; dvipng for inline latex because MathJax doesn't work in mail
(org-export-with-LaTeX-fragments 'dvipng)
;; to hold attachments for inline html images
(html-and-images
(org~mu4e-mime-replace-images
(org-export-string raw-body 'html
(file-name-directory tmp-file))
tmp-file))
(html-images (cdr html-and-images))
(html (car html-and-images)))
(delete-region begin end)
(save-excursion
(goto-char begin)
(newline)
(insert (org~mu4e-mime-multipart
body html (mapconcat 'identity html-images "\n"))))))
;; next some functions to make the org/mu4e-compose-mode switch as smooth as
;; possible.
(defun org~mu4e-mime-decorate-headers ()
"Make the headers visually distinctive (org-mode)."
(save-excursion
(goto-char (point-min))
(let* ((eoh (when (search-forward mail-header-separator)
(match-end 0)))
(olay (make-overlay (point-min) eoh)))
(when olay
(overlay-put olay 'face 'font-lock-comment-face)))))
(defun org~mu4e-mime-undecorate-headers ()
"Don't make the headers visually distinctive.
\(well, mu4e-compose-mode will take care of that)."
(save-excursion
(goto-char (point-min))
(let* ((eoh (when (search-forward mail-header-separator)
(match-end 0))))
(remove-overlays (point-min) eoh))))
(defvar org-mu4e-convert-to-html nil
"Whether to do automatic org-mode => html conversion when sending messages.")
(defun org~mu4e-mime-convert-to-html-maybe ()
"Convert to html if `org-mu4e-convert-to-html' is non-nil.
This function is called when sending a message (from
`message-send-hook') and, if non-nil, will send the message as
the rich-text version of the what is assumed to be an org-mode
body."
(when org-mu4e-convert-to-html
(mu4e-message "Converting to html")
(org~mu4e-mime-convert-to-html)))
(defun org~mu4e-mime-switch-headers-or-body ()
"Switch the buffer to either mu4e-compose-mode (when in headers)
or org-mode (when in the body)."
(interactive)
(let* ((sepapoint
(save-excursion
(goto-char (point-min))
(search-forward-regexp mail-header-separator nil t))))
;; only do stuff when the sepapoint exist; note that after sending the
;; message, this function maybe called on a message with the sepapoint
;; stripped. This is why we don't use `message-point-in-header'.
(when sepapoint
(cond
;; we're in the body, but in mu4e-compose-mode?
;; if so, switch to org-mode
((and (> (point) sepapoint) (eq major-mode 'mu4e-compose-mode))
(org-mode)
(add-hook 'before-save-hook
(lambda ()
(mu4e-error "Switch to mu4e-compose-mode (M-m) before saving."))
nil t)
(org~mu4e-mime-decorate-headers)
(local-set-key (kbd "M-m")
(lambda (keyseq)
(interactive "kEnter mu4e-compose-mode key sequence: ")
(let ((func (lookup-key mu4e-compose-mode-map keyseq)))
(if func (funcall func) (insert keyseq))))))
;; we're in the headers, but in org-mode?
;; if so, switch to mu4e-compose-mode
((and (<= (point) sepapoint) (eq major-mode 'org-mode))
(org~mu4e-mime-undecorate-headers)
(mu4e-compose-mode)
(add-hook 'message-send-hook 'org~mu4e-mime-convert-to-html-maybe nil t)))
;; and add the hook
(add-hook 'post-command-hook 'org~mu4e-mime-switch-headers-or-body t t))))
(defun org-mu4e-compose-org-mode ()
"Pseudo-Minor mode for mu4e-compose-mode, to edit the message
body using org-mode."
(interactive)
(unless (member major-mode '(org-mode mu4e-compose-mode))
(mu4e-error "Need org-mode or mu4e-compose-mode"))
;; we can check if we're already in org-mu4e-compose-mode by checking if the
;; post-command-hook is set; hackish...but a buffer-local variable does not
;; seem to survive buffer switching
(if (not (member 'org~mu4e-mime-switch-headers-or-body post-command-hook))
(progn
(org~mu4e-mime-switch-headers-or-body)
(mu4e-message
(concat
"org-mu4e-compose-org-mode enabled; "
"press M-m before issuing message-mode commands")))
(progn ;; otherwise, remove crap
(remove-hook 'post-command-hook 'org~mu4e-mime-switch-headers-or-body t)
(org~mu4e-mime-undecorate-headers) ;; shut off org-mode stuff
(mu4e-compose-mode)
(message "org-mu4e-compose-org-mode disabled"))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(provide 'org-mu4e)
;;; org-mu4e.el ends here
|
