;; notmuch-mua.el --- emacs style mail-user-agent
;;
;; Copyright © David Edmondson
;;
;; This file is part of Notmuch.
;;
;; Notmuch 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.
;;
;; Notmuch 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 Notmuch. If not, see .
;;
;; Authors: David Edmondson
(require 'message)
(require 'notmuch-lib)
(require 'notmuch-address)
;;
(defcustom notmuch-mua-send-hook '(notmuch-mua-message-send-hook)
"Hook run before sending messages."
:type 'hook
:group 'notmuch-send
:group 'notmuch-hooks)
(defcustom notmuch-mua-user-agent-function 'notmuch-mua-user-agent-full
"Function used to generate a `User-Agent:' string. If this is
`nil' then no `User-Agent:' will be generated."
:type '(choice (const :tag "No user agent string" nil)
(const :tag "Full" notmuch-mua-user-agent-full)
(const :tag "Notmuch" notmuch-mua-user-agent-notmuch)
(const :tag "Emacs" notmuch-mua-user-agent-emacs)
(function :tag "Custom user agent function"
:value notmuch-mua-user-agent-full))
:group 'notmuch-send)
(defcustom notmuch-mua-hidden-headers '("^User-Agent:")
"Headers that are added to the `message-mode' hidden headers
list."
:type '(repeat string)
:group 'notmuch-send)
;;
(defun notmuch-mua-user-agent-full ()
"Generate a `User-Agent:' string suitable for notmuch."
(concat (notmuch-mua-user-agent-notmuch)
" "
(notmuch-mua-user-agent-emacs)))
(defun notmuch-mua-user-agent-notmuch ()
"Generate a `User-Agent:' string suitable for notmuch."
(concat "Notmuch/" (notmuch-version) " (http://notmuchmail.org)"))
(defun notmuch-mua-user-agent-emacs ()
"Generate a `User-Agent:' string suitable for notmuch."
(concat "Emacs/" emacs-version " (" system-configuration ")"))
(defun notmuch-mua-add-more-hidden-headers ()
"Add some headers to the list that are hidden by default."
(mapc (lambda (header)
(when (not (member header message-hidden-headers))
(push header message-hidden-headers)))
notmuch-mua-hidden-headers))
(defun notmuch-mua-reply (query-string &optional sender reply-all)
(let (headers
body
(args '("reply")))
(if notmuch-show-process-crypto
(setq args (append args '("--decrypt"))))
(if reply-all
(setq args (append args '("--reply-to=all")))
(setq args (append args '("--reply-to=sender"))))
(setq args (append args (list query-string)))
;; This make assumptions about the output of `notmuch reply', but
;; really only that the headers come first followed by a blank
;; line and then the body.
(with-temp-buffer
(apply 'call-process (append (list notmuch-command nil (list t t) nil) args))
(goto-char (point-min))
(if (re-search-forward "^$" nil t)
(save-excursion
(save-restriction
(narrow-to-region (point-min) (point))
(goto-char (point-min))
(setq headers (mail-header-extract)))))
(forward-line 1)
(setq body (buffer-substring (point) (point-max))))
;; If sender is non-nil, set the From: header to its value.
(when sender
(mail-header-set 'from sender headers))
(let
;; Overlay the composition window on that being used to read
;; the original message.
((same-window-regexps '("\\*mail .*")))
(notmuch-mua-mail (mail-header 'to headers)
(mail-header 'subject headers)
(message-headers-to-generate headers t '(to subject))))
;; insert the message body - but put it in front of the signature
;; if one is present
(goto-char (point-max))
(if (re-search-backward message-signature-separator nil t)
(forward-line -1)
(goto-char (point-max)))
(insert body)
(push-mark))
(set-buffer-modified-p nil)
(message-goto-body)
;; Original message may contain (malicious) MML tags. We must
;; properly quote them in the reply. Note that using `point-max'
;; instead of `mark' here is wrong. The buffer may include user's
;; signature which should not be MML-quoted.
(mml-quote-region (point) (mark)))
(defun notmuch-mua-forward-message ()
(message-forward)
(when notmuch-mua-user-agent-function
(let ((user-agent (funcall notmuch-mua-user-agent-function)))
(when (not (string= "" user-agent))
(message-add-header (format "User-Agent: %s" user-agent)))))
(message-sort-headers)
(message-hide-headers)
(set-buffer-modified-p nil)
(message-goto-to))
(defun notmuch-mua-mail (&optional to subject other-headers &rest other-args)
"Invoke the notmuch mail composition window.
OTHER-ARGS are passed through to `message-mail'."
(interactive)
(when notmuch-mua-user-agent-function
(let ((user-agent (funcall notmuch-mua-user-agent-function)))
(when (not (string= "" user-agent))
(push (cons "User-Agent" user-agent) other-headers))))
(unless (mail-header 'from other-headers)
(push (cons "From" (concat
(notmuch-user-name) " <" (notmuch-user-primary-email) ">")) other-headers))
(apply #'message-mail to subject other-headers other-args)
(message-sort-headers)
(message-hide-headers)
(set-buffer-modified-p nil)
(message-goto-to))
(defcustom notmuch-identities nil
"Identities that can be used as the From: address when composing a new message.
If this variable is left unset, then a list will be constructed from the
name and addresses configured in the notmuch configuration file."
:type '(repeat string)
:group 'notmuch-send)
(defcustom notmuch-always-prompt-for-sender nil
"Always prompt for the From: address when composing or forwarding a message.
This is not taken into account when replying to a message, because in that case
the From: header is already filled in by notmuch."
:type 'boolean
:group 'notmuch-send)
(defvar notmuch-mua-sender-history nil)
(defun notmuch-mua-prompt-for-sender ()
(interactive)
(let (name addresses one-name-only)
;; If notmuch-identities is non-nil, check if there is a fixed user name.
(if notmuch-identities
(let ((components (mapcar 'mail-extract-address-components notmuch-identities)))
(setq name (caar components)
addresses (mapcar 'cadr components)
one-name-only (eval
(cons 'and
(mapcar (lambda (identity)
(string-equal name (car identity)))
components)))))
;; If notmuch-identities is nil, use values from the notmuch configuration file.
(setq name (notmuch-user-name)
addresses (cons (notmuch-user-primary-email) (notmuch-user-other-email))
one-name-only t))
;; Now prompt the user, either for an email address only or for a full identity.
(if one-name-only
(let ((address
(ido-completing-read (concat "Sender address for " name ": ") addresses
nil nil nil 'notmuch-mua-sender-history (car addresses))))
(concat name " <" address ">"))
(ido-completing-read "Send mail From: " notmuch-identities
nil nil nil 'notmuch-mua-sender-history (car notmuch-identities)))))
(defun notmuch-mua-new-mail (&optional prompt-for-sender)
"Invoke the notmuch mail composition window.
If PROMPT-FOR-SENDER is non-nil, the user will be prompted for
the From: address first."
(interactive "P")
(let ((other-headers
(when (or prompt-for-sender notmuch-always-prompt-for-sender)
(list (cons 'from (notmuch-mua-prompt-for-sender))))))
(notmuch-mua-mail nil nil other-headers)))
(defun notmuch-mua-new-forward-message (&optional prompt-for-sender)
"Invoke the notmuch message forwarding window.
If PROMPT-FOR-SENDER is non-nil, the user will be prompted for
the From: address first."
(interactive "P")
(if (or prompt-for-sender notmuch-always-prompt-for-sender)
(let* ((sender (notmuch-mua-prompt-for-sender))
(address-components (mail-extract-address-components sender))
(user-full-name (car address-components))
(user-mail-address (cadr address-components)))
(notmuch-mua-forward-message))
(notmuch-mua-forward-message)))
(defun notmuch-mua-new-reply (query-string &optional prompt-for-sender reply-all)
"Invoke the notmuch reply window."
(interactive "P")
(let ((sender
(when prompt-for-sender
(notmuch-mua-prompt-for-sender))))
(notmuch-mua-reply query-string sender reply-all)))
(defun notmuch-mua-send-and-exit (&optional arg)
(interactive "P")
(message-send-and-exit arg))
(defun notmuch-mua-kill-buffer ()
(interactive)
(message-kill-buffer))
(defun notmuch-mua-message-send-hook ()
"The default function used for `notmuch-mua-send-hook', this
simply runs the corresponding `message-mode' hook functions."
(run-hooks 'message-send-hook))
;;
(define-mail-user-agent 'notmuch-user-agent
'notmuch-mua-mail 'notmuch-mua-send-and-exit
'notmuch-mua-kill-buffer 'notmuch-mua-send-hook)
;; Add some more headers to the list that `message-mode' hides when
;; composing a message.
(notmuch-mua-add-more-hidden-headers)
;;
(provide 'notmuch-mua)