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mew-draft.el
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;;; mew-draft.el --- Draft mode for Mew
;; Author: Kazu Yamamoto <[email protected]>
;; Created: Oct 2, 1996
;;; Code:
(require 'mew)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Draft info
;;;
(defvar mew-tinfo-list
'("header-keymap" "attach-keymap" "case" "encrypted-p" "privacy-err"
"encode-err" "privacy-type" "hdr-file" "field-del" "other-frame"
"preserved-header" "src-folder" "flowed" "use-flowed"))
(mew-blinfo-defun 'mew-tinfo mew-tinfo-list)
(defvar mew-draft-mode-syntax-table nil
"*Syntax table used while in Draft mode.")
(unless mew-draft-mode-syntax-table
(setq mew-draft-mode-syntax-table (make-syntax-table text-mode-syntax-table))
(modify-syntax-entry ?% "." mew-draft-mode-syntax-table))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Draft mode
;;;
(defun mew-draft-set-local-variables ()
(auto-save-mode mew-draft-mode-auto-save)
(make-local-variable 'completion-ignore-case)
(make-local-variable 'paragraph-start)
(setq paragraph-start (concat mew-eoh "\\|[ \t]*$\\|" page-delimiter))
(make-local-variable 'paragraph-separate)
(setq paragraph-separate paragraph-start)
(make-local-variable 'mail-header-separator)
(setq mail-header-separator mew-header-separator)
(make-local-variable 'comment-start)
(setq comment-start mew-comment-start)
(make-local-variable 'comment-start-skip)
(setq comment-start-skip mew-comment-start-skip)
(add-hook 'after-change-functions 'mew-draft-dynamic-highlight nil 'local)
(if (boundp 'write-file-functions)
(add-hook 'write-file-functions 'mew-encode-make-backup nil 'local)
(add-hook 'local-write-file-hooks 'mew-encode-make-backup))
(make-local-variable 'after-save-hook)
(when mew-require-final-newline
(make-local-variable 'require-final-newline)
(setq require-final-newline t))
(when (featurep 'dnd)
(make-local-variable 'dnd-protocol-alist)
(setq dnd-protocol-alist
(append '(("^file:///" . mew-draft-dnd-handle-local-file)
("^file://" . mew-draft-dnd-handle-file)
("^file:" . mew-draft-dnd-handle-local-file))
dnd-protocol-alist))))
(defun mew-draft-mode (&optional encrypted)
"A major mode for composing a MIME message.
\\{mew-draft-mode-map}"
(interactive)
(setq major-mode 'mew-draft-mode)
(setq mode-line-buffer-identification (mew-mode-line-id))
(mew-draft-set-local-variables)
(use-local-map mew-draft-mode-map)
(set-syntax-table mew-draft-mode-syntax-table)
(cd (expand-file-name mew-home))
(mew-draft-setup-decoration)
(mew-ainfo-set-icon (file-name-nondirectory (buffer-file-name)))
(mew-tinfo-set-encrypted-p encrypted)
(mew-tinfo-set-privacy-err nil)
(mew-tinfo-set-privacy-type nil)
(mew-tinfo-set-use-flowed (mew-use-format-flowed (mew-tinfo-get-case)))
(mew-draft-mode-name) ;; must be after (mew-tinfo-set-encrypted-p encrypted)
(mew-run-mode-hooks 'text-mode-hook 'mew-draft-mode-hook)
;; auto-fill-function is set by mew-draft-mode-hook
(when auto-fill-function
(make-local-variable 'auto-fill-function)
(setq auto-fill-function 'mew-draft-auto-fill))
(setq buffer-undo-list nil))
(defun mew-draft-mode-name (&optional header)
(let ((case (mew-tinfo-get-case))
pcdb sub)
(cond
((or (mew-tinfo-get-privacy-type) (mew-tinfo-get-privacy-err))
;; If privacy err, don't display mew-protect-privacy-always-type etc.
(setq pcdb (mew-pcdb-by-service (mew-tinfo-get-privacy-type)))
(setq sub (mew-pcdb-mark pcdb)))
((and (mew-tinfo-get-encrypted-p) (mew-protect-privacy-encrypted case))
(setq pcdb (mew-pcdb-by-service (mew-protect-privacy-encrypted-type case)))
(setq sub (mew-pcdb-mark pcdb)))
((mew-protect-privacy-always case)
(setq pcdb (mew-pcdb-by-service (mew-protect-privacy-always-type case)))
(setq sub (mew-pcdb-mark pcdb))))
(setq mode-name (if header mew-mode-name-header mew-mode-name-draft))
(if sub (setq mode-name (concat mode-name " " sub)))
(unless (mew-case-default-p (mew-tinfo-get-case))
(setq mode-name (concat mode-name " " (mew-tinfo-get-case))))
(if (mew-tinfo-get-use-flowed)
(setq mode-name (concat mode-name " F")))
(force-mode-line-update)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Draft subfunctions
;;;
(defun mew-draft-dynamic-highlight (beg end len)
(when (mew-in-header-p)
(save-match-data
(mew-highlight-header)
(when (mew-draft-p)
(mew-draft-header-keymap)))))
(defun mew-draft-auto-fill ()
(let ((ret1 (do-auto-fill)) ret2)
(when (mew-in-header-p)
(save-excursion
(beginning-of-line)
(while (not (or (looking-at "[^ \t\n]+:\\|[ \t]") (bobp)))
(setq ret2 t)
(insert "\t")
(forward-line -1)
(beginning-of-line))))
(or ret1 ret2))) ;; if modifies, return t.
(defun mew-draft-find-and-switch (draft-path &optional switch-func)
;; switch-func = nil :: switch-to-buffer
;; switch-func = t :: switch-to-buffer-other-window
(let* ((display-buffer-alist nil)
(same-window-buffer-names nil)
(same-window-regexps nil)
(draftname (mew-path-to-folder draft-path)))
(when (get-buffer draftname)
(with-current-buffer draftname
(clear-visited-file-modtime)
(set-buffer-modified-p nil) ;; just in case
(mew-delete-file buffer-auto-save-file-name)
(mew-remove-buffer draftname)))
(cond
(mew-use-other-frame-for-draft
(setq switch-func 'switch-to-buffer-other-frame))
((eq switch-func nil)
(setq switch-func 'switch-to-buffer))
((eq switch-func t)
(setq switch-func 'switch-to-buffer-other-window)))
(mew-frwlet mew-cs-m17n mew-cs-dummy
(funcall switch-func (mew-find-file-noselect draft-path)))
;; draft buffer
(mew-set-buffer-cs mew-cs-m17n)
;; copy config, first
(mew-tinfo-set-case mew-case)
(when mew-use-other-frame-for-draft
(mew-tinfo-set-other-frame t)
;; to ensure to cite a message from summary frame.
(mew-remove-buffer (mew-buffer-message)))
(rename-buffer draftname)))
(defun mew-draft-to-attach (draft)
"Converting draft to attach. E.g. +draft/1 -> +attach/1"
(mew-concat-folder mew-attach-folder (file-name-nondirectory draft)))
(defun mew-attachdir (&optional draft)
(mew-expand-folder (mew-draft-to-attach (or draft (buffer-name)))))
(defun mew-draft-header-insert-alist (halist)
"Insert field-body: and field-value. Return the value of
the Body: field."
(let ((case-fold-search t)
key val ret)
(dolist (ent halist)
(setq key (mew-alist-get-key ent))
(setq val (mew-alist-get-value ent))
(unless (string-match ":$" key)
(setq key (concat key ":")))
(if (string-match mew-body: key)
(setq ret val)
(mew-draft-header-insert key val)))
ret))
(defun mew-insert-address-list (field adrs del force-insert)
(let ((cnt 0) (beg (point)) med)
(dolist (adr adrs)
(unless (mew-is-my-address del adr)
(if (= cnt 0)
(insert adr)
(insert ", " adr))
(setq del (cons (concat "^" (regexp-quote adr) "$") del))
(setq cnt (1+ cnt))))
(when (or force-insert (> cnt 0))
(beginning-of-line)
(insert field " ")
(setq med (point))
(end-of-line)
(insert "\n")
(mew-header-fold-region beg (point) med 'use-tab))
del))
(defun mew-insert-address-list2 (field adrs)
(when adrs
(let ((beg (point)) med)
(insert field " ")
(setq med (point))
(insert (car adrs))
(setq adrs (cdr adrs))
(dolist (adr adrs)
(insert ", " adr))
(insert "\n")
(mew-header-fold-region beg (point) med 'use-tab))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Draft header
;;;
(defun mew-draft-header (&optional subject nl to cc newsgroups in-reply-to references other-headers fromme)
;; to -- string or list
;; cc -- string or list
;; nl -- one empty line under "----", which is necessary if
;; attachment is prepared
(let ((del (unless fromme mew-regex-my-address-list)) ;; deleting list
case body)
(goto-char (point-min))
(if newsgroups
(cond
((stringp newsgroups)
(mew-draft-header-insert mew-newsgroups: newsgroups))
((listp newsgroups)
(mew-insert-address-list2 mew-newsgroups: newsgroups)))
;; Insert To: first.
;; All addresses inserted on To: are appended to del.
(cond
((null to) (mew-draft-header-insert mew-to: ""))
((stringp to) ;; To: specified from the mini-buffer.
;; do not check to is mine. Cc: is also string
;; We believe that user never specifies the same address of To: to Cc:.
(mew-draft-header-insert mew-to: to))
;; To: collected by reply
((listp to)
(setq del (mew-insert-address-list mew-to: to del t))))
(cond
((null cc) ()) ;; do nothing
((stringp cc) ;; Cc: specified from the mini-buffer.
(mew-draft-header-insert mew-cc: cc))
((listp cc) ;; Cc: collected by reply.
(mew-insert-address-list mew-cc: cc del nil))))
(if mew-case-guess-when-prepared
(mew-draft-set-case-by-guess))
(setq case (mew-tinfo-get-case))
(unless newsgroups
(mew-draft-header-insert mew-cc: (mew-cc case)))
(mew-draft-header-insert mew-subj: (or subject ""))
(mew-draft-header-insert mew-from: (mew-from case))
(mew-draft-header-insert mew-fcc: (mew-fcc case))
(unless newsgroups
(mew-draft-header-insert mew-bcc: (mew-bcc case))
(mew-draft-header-insert mew-dcc: (mew-dcc case)))
(mew-draft-header-insert mew-reply-to: (mew-reply-to case))
(unless newsgroups
(mew-draft-header-insert mew-in-reply-to: in-reply-to))
(mew-draft-header-insert mew-references: references)
(mew-draft-header-insert-xface)
(mew-draft-header-insert mew-organization: (mew-organization case))
(setq body (mew-draft-header-insert-alist other-headers))
;; Deleting fields defined in mew-header-alist to replace them.
(mew-header-delete-lines (mapcar 'mew-alist-get-key (mew-header-alist case)))
(mew-header-goto-end)
(mew-draft-header-insert-alist (mew-header-alist case))
;; X-Mailer: must be the last
(if (mew-use-x-mailer case)
(mew-draft-header-insert mew-x-mailer: mew-x-mailer))
;; (mew-header-set "\n") is enough. But highlighting delayed.
(mew-header-prepared)
;; on the body
(if nl (insert "\n"))
(if body (save-excursion (insert body)))
;; move the cursor after "To: "
(goto-char (point-min))
(search-forward ": " nil t)))
(defun mew-draft-header-insert-xface ()
(if (and mew-x-face-file
(file-exists-p (expand-file-name mew-x-face-file)))
(let (xface)
(with-temp-buffer
(mew-insert-file-contents (expand-file-name mew-x-face-file))
(setq xface (mew-buffer-substring (point-min)
(max (buffer-size) 1))))
(mew-draft-header-insert mew-x-face: xface))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Citation
;;;
(defun mew-draft-auto-set-input-method ()
(if (and (fboundp 'activate-input-method)
mew-charset-input-method-alist)
(let* ((charset (mew-charset-guess-region
(mew-header-end) (or (mew-attach-begin) (point-max))))
(method (mew-charset-to-input-method charset)))
(when (stringp method)
(activate-input-method method)
(message "Set input method to %s" method)))))
(defun mew-draft-yank (&optional arg force)
"Copy and paste a part of message from Message mode WITHOUT
citation prefix and label.
1. Roughly speaking, it copies the body in Message mode. For example,
if text/plain is displayed, the entire Message mode is copied.
If message/rfc822 is displayed, the body without the header is copied.
2. If called with '\\[universal-argument]', the header is also copied if exists.
3. If an Emacs mark exists, the target is the region between the mark and
the cursor."
;; MUST take care of C-x C-x
;; MUST be able to cancel by C-x u
(interactive "P")
(if (and (not force) (or (mew-in-header-p) (mew-in-attach-p)))
(message "Cannot cite a message here")
(let (cite beg end)
(save-excursion
(cond
((get-buffer (mew-buffer-message))
(set-buffer (mew-buffer-message)))
((get-buffer mew-message-last-buffer)
(set-buffer mew-message-last-buffer)))
(set-buffer (mew-buffer-message))
(save-restriction
(widen)
(let ((mark-active t))
(cond
(arg
(setq beg (point-min) end (point-max)))
((and (not mew-cite-ignore-region)
(mew-mark)
(/= (point) (mew-mark))
(not (and mew-cite-ignore-mouse-region
(mew-mouse-region-p))))
(setq beg (region-beginning) end (region-end)))
((mew-msghdr-p)
;; header exists in Message mode
(mew-header-goto-body)
(setq beg (point) end (point-max)))
(t
(setq beg (point-min) end (point-max)))))
(setq cite (mew-buffer-substring beg end))))
(mew-push-mark)
(insert cite)
(mew-draft-auto-set-input-method))))
(defvar mew-message-citation-buffer nil
"This value is used by mew-gnus.el to specify a buffer from where
you can cite.")
(defvar mew-message-citation-frame-id nil)
(defun mew-draft-cite (&optional arg force)
"Copy and paste a part of message from Message mode with
citation prefix and label.
1. Roughly speaking, it copies the body in Message mode. For example,
if text/plain is displayed, the entire Message mode is copied.
If message/rfc822 is displayed, the body without the header is copied.
2. If called with '\\[universal-argument]', the header is also copied if exists.
3. If an Emacs mark exists, the target is the region between the mark and
the cursor."
;; MUST take care of C-x C-x
;; MUST be able to cancel by C-x u
(interactive "P")
(if (and (not force) (or (mew-in-header-p) (mew-in-attach-p)))
(message "Cannot cite a message here")
(let* ((nonmewbuf mew-message-citation-buffer) ;; may be buffer local
(fid (or mew-message-citation-frame-id (mew-frame-id)))
(fld (mew-current-get-fld fid))
(msg (mew-current-get-msg fid))
(msg-buf (mew-buffer-message))
cite beg end tbuf irt-msgid)
(unless (get-buffer msg-buf)
(setq msg-buf mew-message-last-buffer))
(save-excursion
;;
;; extract the body without header
;;
(setq tbuf (or nonmewbuf msg-buf))
(if (get-buffer tbuf)
(set-buffer tbuf)
(error "No buffer to be cited"))
(save-restriction
;; first prepare "cite"
(widen)
(let ((mark-active t))
(cond
;; arg will be effect in mew-cite-original
((and (not mew-cite-ignore-region)
(mew-mark)
(/= (point) (mew-mark))
(not (and mew-cite-ignore-mouse-region
(mew-mouse-region-p))))
(setq beg (region-beginning) end (region-end)))
((mew-msghdr-p)
;; header exists in Message mode. Skip the header
;; because we will concatenate it to cite later.
(mew-header-goto-body)
(setq beg (point) end (point-max)))
(t
(setq beg (point-min) end (point-max)))))
(setq cite (mew-buffer-substring beg end)))
;;
;; concat the header
;;
(setq tbuf (or nonmewbuf
(save-excursion
(when (get-buffer msg-buf)
(set-buffer msg-buf)
(if (mew-msghdr-p) (current-buffer))))
;; header exists only in cache if multipart
(mew-cache-hit fld msg)))
(if (get-buffer tbuf)
(set-buffer tbuf)
(error "No buffer to be cited"))
(save-restriction
(widen)
(mew-header-goto-end)
(setq cite (concat (mew-buffer-substring (point-min) (point))
"\n" cite))
(setq irt-msgid (mew-idstr-get-first-id
(mew-header-get-value mew-message-id:)))))
;;
;; Draft mode, insert the header and the body.
;;
;; Append message-id to In-Reply-To:
(if (and irt-msgid (mew-msghdr-p))
(save-excursion
(let* ((mew-references-max-count nil)
(irt (mew-header-get-value mew-in-reply-to:))
(irtl (mew-idstr-to-id-list irt 'rev))
irtstr)
(mew-addq irtl irt-msgid)
(setq irtl (nreverse irtl))
(setq irtstr (mew-id-list-to-idstr irtl))
(mew-header-delete-lines (list mew-in-reply-to:))
(unless irt (goto-char (mew-header-end)))
(mew-draft-header-insert mew-in-reply-to: irtstr))))
(save-restriction
;; this gets complicated due to supercite, please do not care
(narrow-to-region (point) (point)) ;; for (goto-char (point-min))
(insert cite)
;; not for C-x C-x. Do not use mew-push-mark.
(push-mark (point) t t)
(goto-char (point-min)))
(cond
(mew-cite-hook
(run-hooks 'mew-cite-hook))
(t (mew-cite-original arg)))
;; (mark-marker) indicates the point after label.
;; Should we include the label too?
(or force (mew-highlight-body-region (mark-marker) (point) 'draft))
(mew-draft-auto-set-input-method))))
(defconst mew-cite-default-prefix "> ")
(defun mew-cite-original (&optional arg)
(if (< (marker-position (mark-marker)) (point))
(exchange-point-and-mark))
(let ((beg (point)) (end (marker-position (mark-marker)))
label prefix)
(save-restriction
(narrow-to-region beg end)
(condition-case nil
(setq label (funcall mew-cite-strings-function))
(error
(error "Syntax of mew-cite-format was changed. Read explanation of mew-cite-fields")))
(cond
(mew-cite-prefix-function
(setq prefix (funcall mew-cite-prefix-function)))
(mew-cite-prefix
(setq prefix mew-cite-prefix))
(t
(setq prefix mew-cite-default-prefix)))
(if (and mew-cite-prefix-confirmp (not mew-use-format-flowed))
(let ((ask (read-string
(format "Prefix (\"%s\"): " prefix) "")))
(if (not (string= ask "")) (setq prefix ask))))
;; C-u C-c C-y cites body with header.
(if (eq arg nil)
;; header has been already cited. So, delete it.
(delete-region beg (progn (mew-header-goto-body) (point))))
(insert label)
(mew-push-mark)
(if (or mew-cite-prefix-function mew-cite-prefix)
(progn
(and (bolp) (insert prefix))
(while (= 0 (forward-line))
(or (= (point) (point-max))
(insert prefix))))
(if (bolp) (mew-cite-format-flowed))
(while (= 0 (forward-line))
(unless (= (point) (point-max))
(mew-cite-format-flowed)))))))
(defun mew-cite-format-flowed ()
(insert mew-flowed-quoted)
(unless (char-equal (char-after) mew-flowed-quoted)
(insert mew-flowed-stuffed)))
(defun mew-cite-get-value (field)
(let ((value (mew-header-get-value field))
repl func)
(when (and (string= mew-from: field) value
(setq func (mew-addrbook-func mew-addrbook-for-cite-label)))
(setq repl (funcall func (mew-addrstr-parse-address value)))
(if repl (setq value repl)))
(or value "")))
(defun mew-cite-strings ()
"A function to create cite labels according to
'mew-cite-format' and 'mew-cite-fields'."
(if (null mew-cite-fields)
""
(let* ((vals (mapcar 'mew-cite-get-value mew-cite-fields))
(label (apply 'format mew-cite-format vals))
(ellipses (if (stringp mew-draft-cite-ellipses)
mew-draft-cite-ellipses ""))
beg eol)
(if (not (or (eq mew-draft-cite-fill-mode 'truncate)
(eq mew-draft-cite-fill-mode 'wrap)))
label
(with-temp-buffer
(let ((fill-column
(or mew-draft-cite-label-fill-column fill-column)))
(insert label)
(goto-char (point-min))
(while (not (eobp))
(cond
((eq mew-draft-cite-fill-mode 'truncate)
(end-of-line)
(if (>= fill-column (current-column))
()
(setq eol (point))
(insert ellipses)
(goto-char eol)
(while (< fill-column (current-column))
(delete-char -1))))
((eq mew-draft-cite-fill-mode 'wrap)
(setq beg (point))
(end-of-line)
(if (= (current-column) 0)
()
(fill-region beg (point)))))
(forward-line)))
(buffer-string))))))
(defun mew-cite-prefix-username ()
"A good candidate for mew-cite-prefix-function.
The citation style is 'from_address> ', e.g. 'kazu> '"
(let* ((from (mew-header-parse-address mew-from:))
(user (mew-addrstr-extract-user from))
(func (mew-addrbook-func mew-addrbook-for-cite-prefix))
nickname prefix)
(if func (setq nickname (funcall func from)))
(setq prefix (or nickname user))
(if mew-ask-cite-prefix
(setq prefix (read-string "Citation prefix: " prefix)))
(concat prefix mew-cite-default-prefix)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; format=flowed
;;;
(defun mew-draft-encode-flowed (&optional arg)
"Manually encode the body with format=flowed.
If called with '\\[universal-argument]', toggle whether or not
format=flowed is used on composing."
(interactive "P")
(if arg
(progn
(mew-tinfo-set-use-flowed (not (mew-tinfo-get-use-flowed)))
(mew-draft-mode-name))
(save-excursion
(goto-char (mew-header-end))
(forward-line)
(if (mew-tinfo-get-flowed)
(progn
(mew-decode-flowed (point) (point-max)
(if (string= (mew-tinfo-get-flowed) "yes") t nil))
(mew-tinfo-set-flowed nil))
(let* ((charset (mew-charset-guess-region (point) (point-max)))
(flowed-delsp (mew-encode-flowed (point) (point-max) charset))
flowed delsp)
(mew-set '(flowed delsp) flowed-delsp)
(if (not flowed)
(message "No line folded")
(mew-tinfo-set-flowed (if delsp "yes" "no")))))
(mew-draft-rehighlight)
(setq buffer-undo-list nil))))
(defun mew-draft-use-format-flowed (&optional arg)
"Toggle the use of format=flowed for the current draft.
If called with '\\[universal-argument]', enable format=flowed if the argument
is positive. You can use `mew-draft-use-format-flowed-hooks' to
enable interesting minor modes according to whether the message is
flowed or not. Here is an example:
\(add-hook 'mew-draft-use-format-flowed-hooks
'(lambda()
(if mew-use-format-flowed
(progn
(auto-fill-mode 0)
(visual-line-mode 1))
(progn
(auto-fill-mode 1)
(visual-line-mode 0)))
))"
(interactive "P")
(set (make-local-variable 'mew-use-format-flowed)
(if (null arg)
(not (mew-use-format-flowed))
(> (prefix-numeric-value arg) 0)))
(mew-tinfo-set-use-flowed mew-use-format-flowed)
(mew-draft-mode-name) ;; Display "F" if Flowed
(run-hooks 'mew-draft-use-format-flowed-hooks))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Misc
;;;
(defun mew-draft-save-buffer ()
"Save this draft."
(interactive)
(let ((after-change-functions nil))
(save-excursion
(mew-header-clear 'keep-read-only)
(insert-before-markers "\n") ;; for mew-summary-reply
(save-buffer)
(delete-region (1- (point)) (point))
(mew-header-prepared)
(set-buffer-modified-p nil))))
(defun mew-draft-kill ()
"Kill this draft."
(interactive)
(if (not (y-or-n-p "Kill draft message? "))
(message "Draft was not killed")
(let* ((attachdir (mew-attachdir)) ;; attachdir must be here
(draft (buffer-file-name))
(buf (current-buffer))
(mdi (concat draft mew-draft-info-suffix)))
(mew-elet
(mew-overlay-delete-buffer))
(save-buffer)
(mew-delete-file draft)
(mew-delete-file mdi)
(if (and (mew-tinfo-get-other-frame) (> (length (frame-list)) 1))
(delete-frame)
(mew-current-get-window-config))
(mew-delete-directory-recursively attachdir)
(mew-remove-buffer buf)
(message "Draft was killed"))))
(defun mew-draft-insert-signature (&optional arg)
"Insert the signature file specified by mew-signature-file.
If attachments exist and mew-signature-as-lastpart is *non-nil*,
the file is attached to the last part. Otherwise, the file is
inserted into the body. If mew-signature-insert-last is *non-nil*,
the file is inserted to the end of the body. Otherwise, inserted
the cursor position. If executed with '\\[universal-argument]',
you can set the case."
(interactive "P")
(let (case sigfile)
(cond
((stringp arg)
(setq case arg))
(arg
(setq case (mew-input-case (mew-tinfo-get-case) "Signature")))
(t
(setq case (mew-tinfo-get-case))))
(setq sigfile (expand-file-name (mew-signature-file case)))
(if (not (file-exists-p sigfile))
(message "No signature file %s" sigfile)
(if (and (mew-attach-p) mew-signature-as-lastpart)
(progn
(goto-char (point-max))
(forward-line -2)
(mew-attach-forward)
(mew-attach-copy sigfile "Signature")
(let* ((nums (mew-syntax-nums))
(syntax (mew-syntax-get-entry mew-encode-syntax nums)))
(mew-syntax-set-cdp syntax nil)
(mew-syntax-set-cd syntax mew-signature-description))
(mew-encode-syntax-print mew-encode-syntax))
(when mew-signature-insert-last
(if (null (mew-attach-p))
(goto-char (point-max))
(goto-char (1- (mew-attach-begin))))
(end-of-line)
(unless (bolp) (insert "\n")))
(mew-insert-file-contents sigfile)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Re-highlight
;;;
(defun mew-draft-rehighlight-body ()
(save-excursion
(let ((beg (progn (goto-char (mew-header-end)) (forward-line) (point)))
(end (or (mew-attach-begin) (point-max))))
(mew-highlight-body-region beg end 'draft 'rehighlight))))
(defun mew-draft-rehighlight ()
"Highlight header and body again."
(interactive)
(let ((mod (buffer-modified-p)))
(mew-highlight-header)
(mew-draft-header-keymap)
(mew-draft-rehighlight-body)
(set-buffer-modified-p mod)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Privacy
;;;
(defun mew-draft-toggle-privacy-always ()
"Toggle whether or not all drafts are protected."
(interactive)
(setq mew-protect-privacy-always (not mew-protect-privacy-always))
(message "Set mew-protect-privacy-always to %s"
mew-protect-privacy-always)
(mew-draft-mode-name))
(defun mew-draft-toggle-privacy-encrypted ()
"Toggle whether or not drafts replying to encrypted messages are
protected."
(interactive)
(setq mew-protect-privacy-encrypted (not mew-protect-privacy-encrypted))
(message "Set mew-protect-privacy-encrypted to %s"
mew-protect-privacy-encrypted)
(mew-draft-mode-name))
(defun mew-draft-set-privacy-type ()
"\\<mew-draft-mode-map>
Set privacy service which will be effective when \\[mew-draft-make-message]."
(interactive)
(let* ((services (mew-pcdb-services))
(alist (mapcar (lambda (x) (cons (symbol-name x) x)) services))
str)
(setq str (completing-read "Input privacy services: " alist nil t))
(when (stringp str)
(mew-tinfo-set-privacy-type (cdr (assoc str alist)))
(mew-tinfo-set-privacy-err nil)))
(mew-draft-mode-name))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Sending and Queuing
;;;
(defun mew-draft-make-message (&optional privacy signer)
"Compose a MIME message then put it into a queue folder."
(interactive)
(if (string= mode-name "Edit")
(mew-edit-make)
(if (and (mew-called-interactively-p) ;; prevent the loop
mew-use-old-pgp
mew-protect-privacy-with-old-pgp-signature)
(mew-pgp-sign-message)
(mew-draft-process-message 'queue privacy signer))))
(defun mew-draft-send-message ()
"Compose a MIME message then send it."
(interactive)
(if (string= mode-name "Edit")
(mew-edit-make)
(if (and (mew-called-interactively-p) ;; just in case
mew-use-old-pgp
mew-protect-privacy-with-old-pgp-signature)
(mew-pgp-sign-message)
(mew-draft-process-message 'send))))
(defun mew-draft-process-message (action &optional privacy signer)
(if (and (boundp 'visual-line-mode) visual-line-mode) (visual-line-mode -1))
(run-hooks 'mew-make-message-hook)
(let* ((case (or (mew-tinfo-get-case) mew-case-default))
(old-case case)
guessed-case)
(when mew-case-guess-when-composed
(setq guessed-case (mew-draft-get-case-by-guess))
(when guessed-case
(if mew-case-guess-addition
(setq case (mew-draft-add-case case guessed-case))
(setq case guessed-case))))
(unless (string= old-case case)
(mew-tinfo-set-case case)
(mew-draft-mode-name (mew-tinfo-get-hdr-file))
(mew-draft-replace-fields old-case)
(when (eq action 'send)
(mew-highlight-header)
(unless (mew-tinfo-get-hdr-file) (mew-draft-header-keymap)))
(save-buffer))
(if (mew-header-existp mew-newsgroups:)
(mew-draft-nntp-process-message case action privacy signer)
(mew-draft-smtp-process-message case action privacy signer))))
(defun mew-draft-resent-p (end)
(let ((case-fold-search t))
(save-excursion
(re-search-forward mew-resent-regex end t))))
(defun mew-draft-smtp-process-message (case action &optional privacy signer)
(run-hooks 'mew-send-hook)
(let* ((buf (current-buffer))
(pnm (mew-smtp-info-name case))
(queue (mew-queue-folder case))
resentp fcc sendit msg err)
(if (get-process pnm)
(message "Another message is being sent. Try later")
(mew-draft-remove-invalid-fields)
;; Check resentp
(save-excursion
(goto-char (point-min))
(setq resentp (mew-draft-resent-p (mew-header-end))))
;; Ask Subject: before the query of "Really send".
;; Typing C-g here gets back to the draft.
(mew-encode-ask-subject)
(setq fcc (mew-encode-ask-fcc resentp))
(if (eq action 'queue)
(setq sendit t)
(if mew-ask-send
(setq sendit (y-or-n-p "Really send this message? "))
(setq sendit t)))
(when sendit
;; password should be asked in Summary mode.
(if (and (mew-tinfo-get-other-frame) (> (length (frame-list)) 1))
(delete-frame)
(mew-current-get-window-config)
(delete-windows-on buf)) ;; just in case
(save-excursion
(save-window-excursion
(set-buffer buf)
(if (mew-smtp-encode pnm case resentp fcc privacy signer)
(let ((mdi (concat (buffer-file-name) mew-draft-info-suffix)))
(mew-delete-file mdi)
(setq msg (mew-smtp-queue case "from Draft mode"))
(mew-remove-buffer buf)
(if (eq action 'send)
(mew-smtp-send-message case queue (list msg))))
(setq err t))))
;; now +queue/1 exists
(if err
(progn
(mew-current-set-window-config)
(switch-to-buffer buf)
(delete-other-windows))
(if (and (eq action 'queue) mew-visit-queue-after-sending)
(mew-summary-visit-folder queue))
(run-hooks 'mew-real-send-hook))))))
(defun mew-draft-nntp-process-message (case action &optional privacy signer)
(run-hooks 'mew-post-hook)
(let* ((buf (current-buffer))
(pnm (mew-nntp2-info-name case))
(postq (mew-postq-folder case))
fcc sendit msg err)
(if (get-process pnm)
(message "Another message is being posted. Try later")
(mew-draft-remove-invalid-fields)
;; Ask Subject: before the query of "Really post".
;; Typing C-g here gets back to the draft.
(mew-encode-ask-subject)
(setq fcc (mew-encode-ask-fcc nil))
(if (eq action 'queue)
(setq sendit t)
(if mew-ask-post
(setq sendit (y-or-n-p "Really post this message? "))
(setq sendit t)))
(when sendit
;; password should be asked in Summary mode.
(if (and (mew-tinfo-get-other-frame) (> (length (frame-list)) 1))
(delete-frame)
(mew-current-get-window-config)
(delete-windows-on buf)) ;; just in case
(save-excursion
(save-window-excursion
(set-buffer buf)
(if (mew-nntp2-encode pnm case fcc privacy signer)
(let ((mdi (concat (buffer-file-name) mew-draft-info-suffix)))
(mew-delete-file mdi)
(setq msg (mew-nntp2-queue case "from Draft mode"))
(mew-remove-buffer buf)
(if (eq action 'send)
(mew-nntp2-send-message case postq (list msg))))
(setq err t))))
(if err
(progn
(mew-current-set-window-config)
(switch-to-buffer buf)
(delete-other-windows))
(if (and (eq action 'queue) mew-visit-queue-after-sending)
(mew-summary-visit-folder postq))
(run-hooks 'mew-real-post-hook))))))
(defun mew-draft-remove-invalid-fields ()
(when (mew-header-end)
(save-excursion
(save-restriction
(goto-char (mew-header-end))
(if (not (bolp)) (insert "\n"))
(narrow-to-region (point-min) (mew-header-end))
(let (beg med str)
(mew-elet
;; removing null lines
(goto-char (point-min))
(while (and (re-search-forward "^$" nil t)
(not (eobp)))
(delete-char 1))
;; removing fields which do not have value.
(goto-char (point-min))
(while (not (eobp))
(if (not (looking-at mew-keyval))
(forward-line)
(setq beg (match-beginning 0))
(setq med (match-end 0))
(forward-line)
(mew-header-goto-next)
(setq str (mew-buffer-substring med (1- (point))))
;; str may consists of multiple lines
;; So, "$" does not work. We need to use "[^ ]".
(unless (string-match "[^ \t\n]" str)
(delete-region beg (point)))))))))))
;; backward-compatibility
(defalias 'mew-draft-send-letter 'mew-draft-send-message)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Privacy
;;;
(defvar mew-draft-privacy-method-alist '(("pgp" . pgp) ("smime" . smime)))
(defun mew-draft-set-privacy-method ()
"Set mew-draft-privacy-method. 'pgp or 'smime."
(interactive)
(let ((method (completing-read "Privacy method: " mew-draft-privacy-method-alist nil t)))
(setq mew-draft-privacy-method
(cdr (assoc method mew-draft-privacy-method-alist)))))
(defmacro mew-draft-privacy-switch (&rest form)
`(let ((method (mew-draft-privacy-method (mew-tinfo-get-case))))
(cond
,@(mapcar
(lambda (x)
(if (eq (car x) t)
x
`((eq method ',(car x)) ,(car (cdr x)))))
form)
(t (message "'%s' is not supported" method)))))
(defun mew-draft-sign-message (&optional arg)
"Sign the entire draft. Input your passphrase."
(interactive "P")
(mew-draft-privacy-switch
(pgp (mew-pgp-sign-message arg))
(smime (mew-smime-sign-message arg))))
(defun mew-draft-encrypt-message ()
"Encrypt the entire draft with PGP."
(interactive)
(mew-draft-privacy-switch
(pgp (mew-pgp-encrypt-message))
(smime (mew-smime-encrypt-message))))
(defun mew-draft-sign-encrypt-message (&optional arg)
"Sign then encrypt the entire draft. Input your passphrase."
(interactive "P")
(mew-draft-privacy-switch
(pgp (mew-pgp-sign-encrypt-message arg))
(smime (mew-smime-sign-encrypt-message arg))))
(defun mew-draft-encrypt-sign-message (&optional arg)
"Encrypt then sign the entire draft. Input your passphrase."
(interactive "P")
(mew-draft-privacy-switch
(pgp (mew-pgp-encrypt-sign-message arg))
(smime (mew-smime-encrypt-sign-message arg))))
(provide 'mew-draft)
;;; Copyright Notice: