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- ;;; mh-comp --- mh-e functions for composing messages
- ;; Time-stamp: <95/08/19 17:48:59 gildea>
-
- ;; Copyright (C) 1993, 1995 Free Software Foundation, Inc.
-
- ;; This file is part of mh-e, 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 2, 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; see the file COPYING. If not, write to the
- ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Commentary:
-
- ;; Internal support for mh-e package.
-
- ;;; Change Log:
-
- ;; $Id: mh-comp.el,v 1.8 1996/01/14 07:34:30 erik Exp $
-
- ;;; Code:
-
- (provide 'mh-comp)
- (require 'mh-utils)
-
- ;;; Site customization (see also mh-utils.el):
-
- (defvar mh-send-prog "send"
- "Name of the MH send program.
- Some sites need to change this because of a name conflict.")
-
- (defvar mh-redist-full-contents nil
- "Non-nil if the `dist' command needs whole letter for redistribution.
- This is the case only when `send' is compiled with the BERK option.
- If MH will not allow you to redist a previously redist'd msg, set to nil.")
-
-
- (defvar mh-note-repl "-"
- "String whose first character is used to notate replied to messages.")
-
- (defvar mh-note-forw "F"
- "String whose first character is used to notate forwarded messages.")
-
- (defvar mh-note-dist "R"
- "String whose first character is used to notate redistributed messages.")
-
- (defvar mh-yank-hooks nil
- "Obsolete hook for modifying a citation just inserted in the mail buffer.
- Each hook function can find the citation between point and mark.
- And each hook function should leave point and mark around the citation
- text as modified.
-
- This is a normal hook, misnamed for historical reasons.
- It is semi-obsolete and is only used if mail-citation-hook is nil.")
-
- (defvar mail-citation-hook nil
- "*Hook for modifying a citation just inserted in the mail buffer.
- Each hook function can find the citation between point and mark.
- And each hook function should leave point and mark around the citation
- text as modified.
-
- If this hook is entirely empty (nil), the text of the message is inserted
- with mh-ins-buf-prefix prefixed to each line.
-
- See also the variable mh-yank-from-start-of-msg, which controls how
- much of the message passed to the hook.")
-
- ;;; Copied from sendmail.el for Hyperbole
- (defvar mail-header-separator "--------"
- "*Line used by MH to separate headers from text in messages being composed.")
-
- ;;; Personal preferences:
-
- (defvar mh-delete-yanked-msg-window nil
- "*Controls window display when a message is yanked by \\<mh-letter-mode-map>\\[mh-yank-cur-msg].
- If non-nil, yanking the current message into a draft letter deletes any
- windows displaying the message.")
-
- (defvar mh-yank-from-start-of-msg t
- "*Controls which part of a message is yanked by \\<mh-letter-mode-map>\\[mh-yank-cur-msg].
- If non-nil, include the entire message. If the symbol `body', then yank the
- message minus the header. If nil, yank only the portion of the message
- following the point. If the show buffer has a region, this variable is
- ignored.")
-
- (defvar mh-ins-buf-prefix "> "
- "*String to put before each non-blank line of a yanked or inserted message.
- \\<mh-letter-mode-map>Used when the message is inserted into an outgoing letter
- by \\[mh-insert-letter] or \\[mh-yank-cur-msg].")
-
- (defvar mh-reply-default-reply-to nil
- "*Sets the person or persons to whom a reply will be sent.
- If nil, prompt for recipient. If non-nil, then \\<mh-folder-mode-map>`\\[mh-reply]' will use this
- value and it should be one of \"from\", \"to\", \"cc\", or \"all\".
- The values \"cc\" and \"all\" do the same thing.")
-
- (defvar mh-signature-file-name "~/.signature"
- "*Name of file containing the user's signature.
- Inserted into message by \\<mh-letter-mode-map>\\[mh-insert-signature].")
-
- (defvar mh-forward-subject-format "%s: %s"
- "*Format to generate the Subject: line contents for a forwarded message.
- The two string arguments to the format are the sender of the original
- message and the original subject line.")
-
- (defvar mh-comp-formfile "components"
- "Name of file to be used as a skeleton for composing messages.
- Default is \"components\". If not a complete path name, the file
- is searched for first in the user's MH directory, then in the
- system MH lib directory.")
-
- (defvar mh-repl-formfile "replcomps"
- "Name of file to be used as a skeleton for replying to messages.
- Default is \"replcomps\". If not a complete path name, the file
- is searched for first in the user's MH directory, then in the
- system MH lib directory.")
-
- ;;; Hooks:
-
- (defvar mh-letter-mode-hook nil
- "Invoked in `mh-letter-mode' on a new letter.")
-
- (defvar mh-compose-letter-function nil
- "Invoked when setting up a letter draft.
- It is passed three arguments: TO recipients, SUBJECT, and CC recipients.")
-
- (defvar mh-before-send-letter-hook nil
- "Invoked at the beginning of the \\<mh-letter-mode-map>\\[mh-send-letter] command.")
-
-
- (defvar mh-rejected-letter-start
- (concat "^ ----- Unsent message follows -----$" ;from sendmail V5
- "\\|^ ----- Original message follows -----$" ;from sendmail V8
- "\\|^------- Unsent Draft$" ;from MH itself
- "\\|^---------- Original Message ----------$" ;from zmailer
- "\\|^ --- The unsent message follows ---$" ;from AIX mail system
- "\\|^ Your message follows:$" ;from MMDF-II
- "\\|^Content-Description: Returned Content$" ;1993 KJ sendmail
- )
- "Regexp specifying the beginning of the wrapper around a returned letter.
- This wrapper is generated by the mail system when rejecting a letter.")
-
- (defvar mh-new-draft-cleaned-headers
- "^Date:\\|^Received:\\|^Message-Id:\\|^From:\\|^Sender:\\|^Errors-To:\\|^Delivery-Date:\\|^Return-Path:"
- "Regexp of header lines to remove before offering a message as a new draft.
- Used by the \\<mh-folder-mode-map>`\\[mh-edit-again]' and `\\[mh-extract-rejected-mail]' commands.")
-
- (defvar mh-to-field-choices '(("t" . "To:") ("s" . "Subject:") ("c" . "Cc:")
- ("b" . "Bcc:") ("f" . "Fcc:") ("r" . "From:")
- ("d" . "Dcc:"))
- "Alist of (final-character . field-name) choices for mh-to-field.")
-
- (defvar mh-letter-mode-map (copy-keymap text-mode-map)
- "Keymap for composing mail.")
-
- (defvar mh-letter-mode-syntax-table nil
- "Syntax table used by mh-e while in MH-Letter mode.")
-
- (if mh-letter-mode-syntax-table
- ()
- (setq mh-letter-mode-syntax-table
- (make-syntax-table text-mode-syntax-table))
- (modify-syntax-entry ?% "." mh-letter-mode-syntax-table))
-
-
- ;;;###autoload
- (defun mh-smail ()
- "Compose and send mail with the MH mail system.
- This function is an entry point to mh-e, the Emacs front end
- to the MH mail system.
-
- See documentation of `\\[mh-send]' for more details on composing mail."
- (interactive)
- (mh-find-path)
- (call-interactively 'mh-send))
-
-
- (defvar mh-error-if-no-draft nil) ;raise error over using old draft
-
-
- ;;;###autoload
- (defun mh-smail-batch ()
- "Set up a mail composition draft with the MH mail system.
- This function is an entry point to mh-e, the Emacs front end
- to the MH mail system. This function does not prompt the user
- for any header fields, and thus is suitable for use by programs
- that want to create a mail buffer.
- Users should use `\\[mh-smail]' to compose mail."
- (mh-find-path)
- (let ((mh-error-if-no-draft t))
- (mh-send "" "" "")))
-
-
- (defun mh-edit-again (msg)
- "Clean-up a draft or a message previously sent and make it resendable.
- Default is the current message.
- The variable mh-new-draft-cleaned-headers specifies the headers to remove.
- See also documentation for `\\[mh-send]' function."
- (interactive (list (mh-get-msg-num t)))
- (let* ((from-folder mh-current-folder)
- (config (current-window-configuration))
- (draft
- (cond ((and mh-draft-folder (equal from-folder mh-draft-folder))
- (pop-to-buffer (find-file-noselect (mh-msg-filename msg)) t)
- (rename-buffer (format "draft-%d" msg))
- (buffer-name))
- (t
- (mh-read-draft "clean-up" (mh-msg-filename msg) nil)))))
- (mh-clean-msg-header (point-min) mh-new-draft-cleaned-headers nil)
- (goto-char (point-min))
- (save-buffer)
- (mh-compose-and-send-mail draft "" from-folder nil nil nil nil nil nil
- config)))
-
-
- (defun mh-extract-rejected-mail (msg)
- "Extract a letter returned by the mail system and make it resendable.
- Default is the current message. The variable mh-new-draft-cleaned-headers
- gives the headers to clean out of the original message.
- See also documentation for `\\[mh-send]' function."
- (interactive (list (mh-get-msg-num t)))
- (let ((from-folder mh-current-folder)
- (config (current-window-configuration))
- (draft (mh-read-draft "extraction" (mh-msg-filename msg) nil)))
- (goto-char (point-min))
- (cond ((re-search-forward mh-rejected-letter-start nil t)
- (skip-chars-forward " \t\n")
- (delete-region (point-min) (point))
- (mh-clean-msg-header (point-min) mh-new-draft-cleaned-headers nil))
- (t
- (message "Does not appear to be a rejected letter.")))
- (goto-char (point-min))
- (save-buffer)
- (mh-compose-and-send-mail draft "" from-folder msg
- (mh-get-header-field "To:")
- (mh-get-header-field "From:")
- (mh-get-header-field "Cc:")
- nil nil config)))
-
-
- (defun mh-forward (to cc &optional msg-or-seq)
- "Forward a message or message sequence. Defaults to displayed message.
- If optional prefix argument provided, then prompt for the message sequence.
- See also documentation for `\\[mh-send]' function."
- (interactive (list (mh-read-address "To: ")
- (mh-read-address "Cc: ")
- (if current-prefix-arg
- (mh-read-seq-default "Forward" t)
- (mh-get-msg-num t))))
- (or msg-or-seq
- (setq msg-or-seq (mh-get-msg-num t)))
- (let* ((folder mh-current-folder)
- (config (current-window-configuration))
- ;; forw always leaves file in "draft" since it doesn't have -draft
- (draft-name (expand-file-name "draft" mh-user-path))
- (draft (cond ((or (not (file-exists-p draft-name))
- (y-or-n-p "The file 'draft' exists. Discard it? "))
- (mh-exec-cmd "forw" "-build"
- mh-current-folder msg-or-seq)
- (prog1
- (mh-read-draft "" draft-name t)
- (mh-insert-fields "To:" to "Cc:" cc)
- (save-buffer)))
- (t
- (mh-read-draft "" draft-name nil)))))
- (let (orig-from
- orig-subject)
- (goto-char (point-min))
- (re-search-forward "^------- Forwarded Message")
- (forward-line 1)
- (skip-chars-forward " \t\n")
- (save-restriction
- (narrow-to-region (point) (point-max))
- (setq orig-from (mh-get-header-field "From:"))
- (setq orig-subject (mh-get-header-field "Subject:")))
- (let ((forw-subject
- (mh-forwarded-letter-subject orig-from orig-subject)))
- (mh-insert-fields "Subject:" forw-subject)
- (goto-char (point-min))
- (re-search-forward "^------- Forwarded Message")
- (forward-line -1)
- (delete-other-windows)
- (if (numberp msg-or-seq)
- (mh-add-msgs-to-seq msg-or-seq 'forwarded t)
- (mh-add-msgs-to-seq (mh-seq-to-msgs msg-or-seq) 'forwarded t))
- (mh-compose-and-send-mail draft "" folder msg-or-seq
- to forw-subject cc
- mh-note-forw "Forwarded:"
- config)))))
-
- (defun mh-forwarded-letter-subject (from subject)
- ;; Return a Subject suitable for a forwarded message.
- ;; Original message has headers FROM and SUBJECT.
- (let ((addr-start (string-match "<" from))
- (comment (string-match "(" from)))
- (cond ((and addr-start (> addr-start 0))
- ;; Full Name <luser@host>
- (setq from (substring from 0 (1- addr-start))))
- (comment
- ;; luser@host (Full Name)
- (setq from (substring from (1+ comment) (1- (length from)))))))
- (format mh-forward-subject-format from subject))
-
-
- ;;;###autoload
- (defun mh-smail-other-window ()
- "Compose and send mail in other window with the MH mail system.
- This function is an entry point to mh-e, the Emacs front end
- to the MH mail system.
-
- See documentation of `\\[mh-send]' for more details on composing mail."
- (interactive)
- (mh-find-path)
- (call-interactively 'mh-send-other-window))
-
-
- (defun mh-redistribute (to cc &optional msg)
- "Redistribute a letter.
- Depending on how your copy of MH was compiled, you may need to change the
- setting of the variable mh-redist-full-contents. See its documentation."
- (interactive (list (mh-read-address "Redist-To: ")
- (mh-read-address "Redist-Cc: ")
- (mh-get-msg-num t)))
- (or msg
- (setq msg (mh-get-msg-num t)))
- (save-window-excursion
- (let ((folder mh-current-folder)
- (draft (mh-read-draft "redistribution"
- (if mh-redist-full-contents
- (mh-msg-filename msg)
- nil)
- nil)))
- (mh-goto-header-end 0)
- (insert "Resent-To: " to "\n")
- (if (not (equal cc "")) (insert "Resent-cc: " cc "\n"))
- (mh-clean-msg-header (point-min)
- "^Message-Id:\\|^Received:\\|^Return-Path:\\|^Sender:\\|^Date:\\|^From:"
- nil)
- (save-buffer)
- (message "Redistributing...")
- (if mh-redist-full-contents
- (call-process "/bin/sh" nil 0 nil "-c"
- (format "mhdist=1 mhaltmsg=%s %s -push %s"
- buffer-file-name
- (expand-file-name mh-send-prog mh-progs)
- buffer-file-name))
- (call-process "/bin/sh" nil 0 nil "-c"
- (format "mhdist=1 mhaltmsg=%s mhannotate=1 %s -push %s"
- (mh-msg-filename msg folder)
- (expand-file-name mh-send-prog mh-progs)
- buffer-file-name)))
- (mh-annotate-msg msg folder mh-note-dist
- "-component" "Resent:"
- "-text" (format "\"%s %s\"" to cc))
- (kill-buffer draft)
- (message "Redistributing...done"))))
-
-
- (defun mh-reply (message &optional includep)
- "Reply to MESSAGE (default: current message).
- If optional prefix argument INCLUDEP provided, then include the message
- in the reply using filter mhl.reply in your MH directory.
- Prompts for type of addresses to reply to:
- from sender only,
- to sender and primary recipients,
- cc/all sender and all recipients.
- If the file named by `mh-repl-formfile' exists, it is used as a skeleton
- for the reply. See also documentation for `\\[mh-send]' function."
- (interactive (list (mh-get-msg-num t) current-prefix-arg))
- (let ((minibuffer-help-form
- "from => Sender only\nto => Sender and primary recipients\ncc or all => Sender and all recipients"))
- (let ((reply-to (or mh-reply-default-reply-to
- (completing-read "Reply to whom: "
- '(("from") ("to") ("cc") ("all"))
- nil
- t)))
- (folder mh-current-folder)
- (show-buffer mh-show-buffer)
- (config (current-window-configuration)))
- (message "Composing a reply...")
- (mh-exec-cmd "repl" "-build" "-noquery" "-nodraftfolder"
- (if (stringp mh-repl-formfile) ;must be string, but we're paranoid
- (list "-form" mh-repl-formfile))
- mh-current-folder message
- (cond ((or (equal reply-to "from") (equal reply-to ""))
- '("-nocc" "all"))
- ((equal reply-to "to")
- '("-cc" "to"))
- ((or (equal reply-to "cc") (equal reply-to "all"))
- '("-cc" "all" "-nocc" "me")))
- (if includep
- '("-filter" "mhl.reply")))
- (let ((draft (mh-read-draft "reply"
- (expand-file-name "reply" mh-user-path)
- t)))
- (delete-other-windows)
- (save-buffer)
-
- (let ((to (mh-get-header-field "To:"))
- (subject (mh-get-header-field "Subject:"))
- (cc (mh-get-header-field "Cc:")))
- (goto-char (point-min))
- (mh-goto-header-end 1)
- (or includep
- (mh-in-show-buffer (show-buffer)
- (mh-display-msg message folder)))
- (mh-add-msgs-to-seq message 'answered t)
- (message "Composing a reply...done")
- (mh-compose-and-send-mail draft "" folder message to subject cc
- mh-note-repl "Replied:" config))))))
-
-
- (defun mh-send (to cc subject)
- "Compose and send a letter.
- The file named by `mh-comp-formfile' will be used as the form.
- Do not call this function from outside mh-e; use \\[mh-smail] instead.
-
- The letter is composed in mh-letter-mode; see its documentation for more
- details. If `mh-compose-letter-function' is defined, it is called on the
- draft and passed three arguments: to, subject, and cc."
- (interactive (list
- (mh-read-address "To: ")
- (mh-read-address "Cc: ")
- (read-string "Subject: ")))
- (let ((config (current-window-configuration)))
- (delete-other-windows)
- (mh-send-sub to cc subject config)))
-
-
- (defun mh-send-other-window (to cc subject)
- "Compose and send a letter in another window.
- Do not call this function from outside mh-e;
- use \\[mh-smail-other-window] instead.
- See also documentation for `\\[mh-send]' function."
- (interactive (list
- (mh-read-address "To: ")
- (mh-read-address "Cc: ")
- (read-string "Subject: ")))
- (let ((pop-up-windows t))
- (mh-send-sub to cc subject (current-window-configuration))))
-
-
- (defun mh-send-sub (to cc subject config)
- ;; Do the real work of composing and sending a letter.
- ;; Expects the TO, CC, and SUBJECT fields as arguments.
- ;; CONFIG is the window configuration before sending mail.
- (let ((folder mh-current-folder)
- (msg-num (mh-get-msg-num nil)))
- (message "Composing a message...")
- (let ((draft (mh-read-draft
- "message"
- (let (components)
- (cond
- ((file-exists-p
- (setq components
- (expand-file-name mh-comp-formfile mh-user-path)))
- components)
- ((file-exists-p
- (setq components
- (expand-file-name mh-comp-formfile mh-lib)))
- components)
- (t
- (error (format "Can't find components file \"%s\""
- components)))))
- nil)))
- (mh-insert-fields "To:" to "Subject:" subject "Cc:" cc)
- (goto-char (point-max))
- (message "Composing a message...done")
- (mh-compose-and-send-mail draft "" folder msg-num
- to subject cc
- nil nil config))))
-
-
- (defun mh-read-draft (use initial-contents delete-contents-file)
- ;; Read draft file into a draft buffer and make that buffer the current one.
- ;; USE is a message used for prompting about the intended use of the message.
- ;; INITIAL-CONTENTS is filename that is read into an empty buffer, or NIL
- ;; if buffer should not be modified. Delete the initial-contents file if
- ;; DELETE-CONTENTS-FILE flag is set.
- ;; Returns the draft folder's name.
- ;; If the draft folder facility is enabled in ~/.mh_profile, a new buffer is
- ;; used each time and saved in the draft folder. The draft file can then be
- ;; reused.
- (cond (mh-draft-folder
- (let ((orig-default-dir default-directory)
- (draft-file-name (mh-new-draft-name)))
- (pop-to-buffer (generate-new-buffer
- (format "draft-%s"
- (file-name-nondirectory draft-file-name))))
- (condition-case ()
- (insert-file-contents draft-file-name t)
- (file-error))
- (setq default-directory orig-default-dir)))
- (t
- (let ((draft-name (expand-file-name "draft" mh-user-path)))
- (pop-to-buffer "draft") ; Create if necessary
- (if (buffer-modified-p)
- (if (y-or-n-p "Draft has been modified; kill anyway? ")
- (set-buffer-modified-p nil)
- (error "Draft preserved")))
- (setq buffer-file-name draft-name)
- (clear-visited-file-modtime)
- (unlock-buffer)
- (cond ((and (file-exists-p draft-name)
- (not (equal draft-name initial-contents)))
- (insert-file-contents draft-name)
- (delete-file draft-name))))))
- (cond ((and initial-contents
- (or (zerop (buffer-size))
- (if (y-or-n-p
- (format "A draft exists. Use for %s? " use))
- (if mh-error-if-no-draft
- (error "A prior draft exists."))
- t)))
- (erase-buffer)
- (insert-file-contents initial-contents)
- (if delete-contents-file (delete-file initial-contents))))
- (auto-save-mode 1)
- (if mh-draft-folder
- (save-buffer)) ; Do not reuse draft name
- (buffer-name))
-
-
- (defun mh-new-draft-name ()
- ;; Returns the pathname of folder for draft messages.
- (save-excursion
- (mh-exec-cmd-quiet t "mhpath" mh-draft-folder "new")
- (buffer-substring (point-min) (1- (point-max)))))
-
-
- (defun mh-annotate-msg (msg buffer note &rest args)
- ;; Mark the MESSAGE in BUFFER listing with the character NOTE and annotate
- ;; the saved message with ARGS.
- (apply 'mh-exec-cmd "anno" buffer msg args)
- (save-excursion
- (cond ((get-buffer buffer) ; Buffer may be deleted
- (set-buffer buffer)
- (if (symbolp msg)
- (mh-notate-seq msg note (1+ mh-cmd-note))
- (mh-notate msg note (1+ mh-cmd-note)))))))
-
-
- (defun mh-insert-fields (&rest name-values)
- ;; Insert the NAME-VALUE pairs in the current buffer.
- ;; If field NAME exists, append VALUE to it.
- ;; Do not insert any pairs whose value is the empty string.
- (let ((case-fold-search t))
- (while name-values
- (let ((field-name (car name-values))
- (value (car (cdr name-values))))
- (cond ((equal value "")
- nil)
- ((mh-position-on-field field-name)
- (insert " " value))
- (t
- (insert field-name " " value "\n")))
- (setq name-values (cdr (cdr name-values)))))))
-
-
- (defun mh-position-on-field (field &optional ignore)
- ;; Move to the end of the FIELD in the header.
- ;; Move to end of entire header if FIELD not found.
- ;; Returns non-nil iff FIELD was found.
- ;; The optional second arg is for pre-version 4 compatibility.
- (if (mh-goto-header-field field)
- (progn
- (mh-header-field-end)
- t)))
-
-
- (defun mh-get-header-field (field)
- ;; Find and return the body of FIELD in the mail header.
- ;; Returns the empty string if the field is not in the header of the
- ;; current buffer.
- (if (mh-goto-header-field field)
- (progn
- (skip-chars-forward " \t") ;strip leading white space in body
- (let ((start (point)))
- (mh-header-field-end)
- (buffer-substring start (point))))
- ""))
-
- (fset 'mh-get-field 'mh-get-header-field) ;mh-e 4 compatibility
-
- (defun mh-goto-header-field (field)
- ;; Move to FIELD in the message header.
- ;; Move to the end of the FIELD name, which should end in a colon.
- ;; Returns T if found, NIL if not.
- (goto-char (point-min))
- (let ((case-fold-search t)
- (headers-end (save-excursion
- (mh-goto-header-end 0)
- (point))))
- (re-search-forward (format "^%s" field) headers-end t)))
-
- (defun mh-header-field-end ()
- ;; Move to the end of the current header field.
- ;; Handles RFC 822 continuation lines.
- (forward-line 1)
- (while (looking-at "^[ \t]")
- (forward-line 1))
- (backward-char 1)) ;to end of previous line
-
-
- (defun mh-goto-header-end (arg)
- ;; Find the end of the message header in the current buffer and position
- ;; the cursor at the ARG'th newline after the header.
- (if (re-search-forward "^-*$" nil nil)
- (forward-line arg)))
-
-
- (defun mh-read-address (prompt)
- ;; Read a To: or Cc: address, prompting in the minibuffer with PROMPT.
- ;; May someday do completion on aliases.
- (read-string prompt))
-
-
-
- ;;; Mode for composing and sending a draft message.
-
- (defvar mh-sent-from-folder nil) ;Folder of msg assoc with this letter.
-
- (defvar mh-sent-from-msg nil) ;Number of msg assoc with this letter.
-
- (defvar mh-send-args nil) ;Extra args to pass to "send" command.
-
- (defvar mh-annotate-char nil) ;Character to use to annotate mh-sent-from-msg.
-
- (defvar mh-annotate-field nil) ;Field name for message annotation.
-
- (put 'mh-letter-mode 'mode-class 'special)
-
- ;;;###autoload
- (defun mh-letter-mode ()
- "Mode for composing letters in mh-e.\\<mh-letter-mode-map>
- When you have finished composing, type \\[mh-send-letter] to send the message
- using the MH mail handling system.
- See the documentation for \\[mh-edit-mhn] for information on composing MIME
- messages.
-
- \\{mh-letter-mode-map}
-
- Variables controlling this mode (defaults in parentheses):
-
- mh-delete-yanked-msg-window (nil)
- If non-nil, \\[mh-yank-cur-msg] will delete any windows displaying
- the yanked message.
-
- mh-yank-from-start-of-msg (t)
- If non-nil, \\[mh-yank-cur-msg] will include the entire message.
- If `body', just yank the body (no header).
- If nil, only the portion of the message following the point will be yanked.
- If there is a region, this variable is ignored.
-
- mh-ins-buf-prefix (\"> \")
- String to insert before each non-blank line of a message as it is
- inserted in a draft letter.
-
- mh-signature-file-name (\"~/.signature\")
- File to be inserted into message by \\[mh-insert-signature].
-
- Upon invoking mh-letter-mode, text-mode-hook and mh-letter-mode-hook are
- invoked with no args, if those values are non-nil."
-
- (interactive)
- (or mh-user-path (mh-find-path))
- (make-local-variable 'paragraph-start)
- (setq paragraph-start (concat "^[ \t]*[-_][-_][-_]+$\\|" paragraph-start))
- (make-local-variable 'paragraph-separate)
- (setq paragraph-separate
- (concat "^[ \t]*[-_][-_][-_]+$\\|" paragraph-separate))
- (make-local-variable 'mh-send-args)
- (make-local-variable 'mh-annotate-char)
- (make-local-variable 'mh-annotate-field)
- (make-local-variable 'mh-previous-window-config)
- (make-local-variable 'mh-sent-from-folder)
- (make-local-variable 'mh-sent-from-msg)
- (make-local-variable 'mail-header-separator)
- (setq mail-header-separator "--------") ;for Hyperbole
- (use-local-map mh-letter-mode-map)
- (setq major-mode 'mh-letter-mode)
- (mh-set-mode-name "MH-Letter")
- (set-syntax-table mh-letter-mode-syntax-table)
- (run-hooks 'text-mode-hook)
- ;; if text-mode-hook turned on auto-fill, tune it for messages
- (cond ((and (boundp 'auto-fill-hook) auto-fill-hook) ;emacs 18
- (make-local-variable 'auto-fill-hook)
- (setq auto-fill-hook 'mh-auto-fill-for-letter)))
- (cond ((and (boundp 'auto-fill-function) auto-fill-function) ;emacs 19
- (make-local-variable 'auto-fill-function)
- (setq auto-fill-function 'mh-auto-fill-for-letter)))
- (run-hooks 'mh-letter-mode-hook))
-
-
- (defun mh-auto-fill-for-letter ()
- ;; Auto-fill in letters treats the header specially by inserting a tab
- ;; before continuation line.
- (if (mh-in-header-p)
- (let ((fill-prefix "\t"))
- (do-auto-fill))
- (do-auto-fill)))
-
-
- (defun mh-in-header-p ()
- ;; Return non-nil if the point is in the header of a draft message.
- (save-excursion
- (let ((cur-point (point)))
- (goto-char (point-min))
- (re-search-forward "^-*$" nil t)
- (< cur-point (point)))))
-
-
- (defun mh-to-field ()
- "Move point to the end of a specified header field.
- The field is indicated by the previous keystroke (the last keystroke
- of the command) according to the list in the variable mh-to-field-choices.
- Create the field if it does not exist. Set the mark to point before moving."
- (interactive)
- (expand-abbrev)
- (let ((target (cdr (or (assoc (char-to-string (logior last-input-char ?`))
- mh-to-field-choices)
- ;; also look for a char for version 4 compat
- (assoc (logior last-input-char ?`) mh-to-field-choices))))
- (case-fold-search t))
- (push-mark)
- (cond ((mh-position-on-field target)
- (let ((eol (point)))
- (skip-chars-backward " \t")
- (delete-region (point) eol))
- (if (and (not (eq (logior last-input-char ?`) ?s))
- (save-excursion
- (backward-char 1)
- (not (looking-at "[:,]"))))
- (insert ", ")
- (insert " ")))
- (t
- (if (mh-position-on-field "To:")
- (forward-line 1))
- (insert (format "%s \n" target))
- (backward-char 1)))))
-
-
- (defun mh-to-fcc (&optional folder)
- "Insert an Fcc: FOLDER field in the current message.
- Prompt for the field name with a completion list of the current folders."
- (interactive)
- (or folder
- (setq folder (mh-prompt-for-folder
- "Fcc"
- (or (and mh-default-folder-for-message-function
- (save-excursion
- (goto-char (point-min))
- (funcall mh-default-folder-for-message-function)))
- "")
- t)))
- (let ((last-input-char ?\C-f))
- (expand-abbrev)
- (save-excursion
- (mh-to-field)
- (insert (if (mh-folder-name-p folder)
- (substring folder 1)
- folder)))))
-
-
- (defun mh-insert-signature ()
- "Insert the file named by mh-signature-file-name at the current point."
- (interactive)
- (insert-file-contents mh-signature-file-name)
- (force-mode-line-update))
-
-
- (defun mh-check-whom ()
- "Verify recipients of the current letter, showing expansion of any aliases."
- (interactive)
- (let ((file-name buffer-file-name))
- (save-buffer)
- (message "Checking recipients...")
- (mh-in-show-buffer ("*Recipients*")
- (bury-buffer (current-buffer))
- (erase-buffer)
- (mh-exec-cmd-output "whom" t file-name))
- (message "Checking recipients...done")))
-
-
-
- ;;; Routines to compose and send a letter.
-
- (defun mh-compose-and-send-mail (draft send-args
- sent-from-folder sent-from-msg
- to subject cc
- annotate-char annotate-field
- config)
- ;; Edit and compose a draft message in buffer DRAFT and send or save it.
- ;; SENT-FROM-FOLDER is buffer containing scan listing of current folder, or
- ;; nil if none exists.
- ;; SENT-FROM-MSG is the message number or sequence name or nil.
- ;; SEND-ARGS is an optional argument passed to the send command.
- ;; The TO, SUBJECT, and CC fields are passed to the
- ;; mh-compose-letter-function.
- ;; If ANNOTATE-CHAR is non-null, it is used to notate the scan listing of the
- ;; message. In that case, the ANNOTATE-FIELD is used to build a string
- ;; for mh-annotate-msg.
- ;; CONFIG is the window configuration to restore after sending the letter.
- (pop-to-buffer draft)
- (mh-letter-mode)
- (setq mh-sent-from-folder sent-from-folder)
- (setq mh-sent-from-msg sent-from-msg)
- (setq mh-send-args send-args)
- (setq mh-annotate-char annotate-char)
- (setq mh-annotate-field annotate-field)
- (setq mh-previous-window-config config)
- (setq mode-line-buffer-identification (list "{%b}"))
- (if (and (boundp 'mh-compose-letter-function)
- mh-compose-letter-function)
- ;; run-hooks will not pass arguments.
- (let ((value mh-compose-letter-function))
- (if (and (listp value) (not (eq (car value) 'lambda)))
- (while value
- (funcall (car value) to subject cc)
- (setq value (cdr value)))
- (funcall mh-compose-letter-function to subject cc)))))
-
-
- (defun mh-send-letter (&optional arg)
- "Send the draft letter in the current buffer.
- If optional prefix argument is provided, monitor delivery.
- Run mh-before-send-letter-hook before doing anything."
- (interactive "P")
- (run-hooks 'mh-before-send-letter-hook)
- (save-buffer)
- (message "Sending...")
- (let ((draft-buffer (current-buffer))
- (file-name buffer-file-name)
- (config mh-previous-window-config))
- (cond (arg
- (pop-to-buffer "MH mail delivery")
- (erase-buffer)
- (mh-exec-cmd-output mh-send-prog t "-watch" "-nopush"
- "-nodraftfolder" mh-send-args file-name)
- (goto-char (point-max)) ; show the interesting part
- (recenter -1)
- (set-buffer draft-buffer)) ; for annotation below
- (t
- (mh-exec-cmd-daemon mh-send-prog "-nodraftfolder" "-noverbose"
- mh-send-args file-name)))
- (if mh-annotate-char
- (mh-annotate-msg mh-sent-from-msg
- mh-sent-from-folder
- mh-annotate-char
- "-component" mh-annotate-field
- "-text" (format "\"%s %s\""
- (mh-get-header-field "To:")
- (mh-get-header-field "Cc:"))))
-
- (cond ((or (not arg)
- (y-or-n-p "Kill draft buffer? "))
- (kill-buffer draft-buffer)
- (if config
- (set-window-configuration config))))
- (if arg
- (message "Sending...done")
- (message "Sending...backgrounded"))))
-
-
- (defun mh-insert-letter (folder message verbatim)
- "Insert a message into the current letter.
- Removes the message's headers using mh-invisible-headers. Prefixes
- each non-blank line with mh-ins-buf-prefix. Prompts for FOLDER and
- MESSAGE. If prefix argument VERBATIM provided, do not indent and do
- not delete headers. Leaves the mark before the letter and point after it."
- (interactive
- (list (mh-prompt-for-folder "Message from" mh-sent-from-folder nil)
- (read-input (format "Message number%s: "
- (if mh-sent-from-msg
- (format " [%d]" mh-sent-from-msg)
- "")))
- current-prefix-arg))
- (save-restriction
- (narrow-to-region (point) (point))
- (let ((start (point-min)))
- (if (equal message "") (setq message (int-to-string mh-sent-from-msg)))
- (mh-exec-lib-cmd-output "mhl" "-nobell" "-noclear"
- (expand-file-name message
- (mh-expand-file-name folder)))
- (cond ((not verbatim)
- (mh-clean-msg-header start mh-invisible-headers mh-visible-headers)
- (set-mark start) ; since mh-clean-msg-header moves it
- (mh-insert-prefix-string mh-ins-buf-prefix))))))
-
-
- (defun mh-yank-cur-msg ()
- "Insert the current message into the draft buffer.
- Prefix each non-blank line in the message with the string in
- `mh-ins-buf-prefix'. If a region is set in the message's buffer, then
- only the region will be inserted. Otherwise, the entire message will
- be inserted if `mh-yank-from-start-of-msg' is non-nil. If this variable
- is nil, the portion of the message following the point will be yanked.
- If `mh-delete-yanked-msg-window' is non-nil, any window displaying the
- yanked message will be deleted."
- (interactive)
- (if (and mh-sent-from-folder mh-sent-from-msg)
- (let ((to-point (point))
- (to-buffer (current-buffer)))
- (set-buffer mh-sent-from-folder)
- (if mh-delete-yanked-msg-window
- (delete-windows-on mh-show-buffer))
- (set-buffer mh-show-buffer) ; Find displayed message
- (let ((mh-ins-str (cond ((if (boundp 'mark-active)
- mark-active ;Emacs 19
- (mark)) ;Emacs 18
- (buffer-substring (region-beginning)
- (region-end)))
- ((eq 'body mh-yank-from-start-of-msg)
- (buffer-substring
- (save-excursion
- (goto-char (point-min))
- (mh-goto-header-end 1)
- (point))
- (point-max)))
- (mh-yank-from-start-of-msg
- (buffer-substring (point-min) (point-max)))
- (t
- (buffer-substring (point) (point-max))))))
- (set-buffer to-buffer)
- (save-restriction
- (narrow-to-region to-point to-point)
- (push-mark)
- (insert mh-ins-str)
- (mh-insert-prefix-string mh-ins-buf-prefix)
- (insert "\n"))))
- (error "There is no current message")))
-
-
- (defun mh-insert-prefix-string (mh-ins-string)
- ;; Run mail-citation-hook to insert a prefix string before each line
- ;; in the buffer. Generality for supercite users.
- (set-mark (point-max))
- (goto-char (point-min))
- (cond (mail-citation-hook
- (run-hooks 'mail-citation-hook))
- (mh-yank-hooks ;old hook name
- (run-hooks 'mh-yank-hooks))
- (t
- (or (bolp) (forward-line 1))
- (let ((zmacs-regions nil)) ;so "(mark)" works in XEmacs
- (while (< (point) (mark))
- (insert mh-ins-string)
- (forward-line 1))))))
-
-
- (defun mh-fully-kill-draft ()
- "Kill the draft message file and the draft message buffer.
- Use \\[kill-buffer] if you don't want to delete the draft message file."
- (interactive)
- (if (y-or-n-p "Kill draft message? ")
- (let ((config mh-previous-window-config))
- (if (file-exists-p buffer-file-name)
- (delete-file buffer-file-name))
- (set-buffer-modified-p nil)
- (kill-buffer (buffer-name))
- (message "")
- (if config
- (set-window-configuration config)))
- (error "Message not killed")))
-
-
- ;;; Build the letter-mode keymap:
-
- (define-key mh-letter-mode-map "\C-c\C-f\C-b" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-f\C-c" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-f\C-d" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-f\C-f" 'mh-to-fcc)
- (define-key mh-letter-mode-map "\C-c\C-f\C-r" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-f\C-s" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-f\C-t" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-fb" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-fc" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-fd" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-ff" 'mh-to-fcc)
- (define-key mh-letter-mode-map "\C-c\C-fr" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-fs" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-ft" 'mh-to-field)
- (define-key mh-letter-mode-map "\C-c\C-i" 'mh-insert-letter)
- (define-key mh-letter-mode-map "\C-c\C-q" 'mh-fully-kill-draft)
- (define-key mh-letter-mode-map "\C-c\C-\\" 'mh-fully-kill-draft) ;if no C-q
- (define-key mh-letter-mode-map "\C-c\C-s" 'mh-insert-signature)
- (define-key mh-letter-mode-map "\C-c\C-^" 'mh-insert-signature) ;if no C-s
- (define-key mh-letter-mode-map "\C-c\C-w" 'mh-check-whom)
- (define-key mh-letter-mode-map "\C-c\C-y" 'mh-yank-cur-msg)
- (define-key mh-letter-mode-map "\C-c\C-c" 'mh-send-letter)
- (define-key mh-letter-mode-map "\C-c\C-m\C-f" 'mh-mhn-compose-forw)
- (define-key mh-letter-mode-map "\C-c\C-m\C-e" 'mh-mhn-compose-anon-ftp)
- (define-key mh-letter-mode-map "\C-c\C-m\C-t" 'mh-mhn-compose-external-compressed-tar)
- (define-key mh-letter-mode-map "\C-c\C-m\C-i" 'mh-mhn-compose-insertion)
- (define-key mh-letter-mode-map "\C-c\C-e" 'mh-edit-mhn)
- (define-key mh-letter-mode-map "\C-c\C-m\C-u" 'mh-revert-mhn-edit)
-
- ;; "C-c /" prefix is used in mh-letter-mode by pgp.el
-
- ;;; autoloads from mh-mime
-
- (autoload 'mh-mhn-compose-insertion "mh-mime"
- "Add a directive to insert a MIME message part from a file.
- This is the typical way to insert non-text parts in a message.
- See also \\[mh-edit-mhn]." t)
-
- (autoload 'mh-mhn-compose-anon-ftp "mh-mime"
- "Add a directive for a MIME anonymous ftp external body part.
- This directive tells MH to include a reference to a
- message/external-body part retrievable by anonymous FTP.
- See also \\[mh-edit-mhn]." t)
-
- (autoload 'mh-mhn-compose-external-compressed-tar "mh-mime"
- "Add a directive to include a MIME reference to a compressed tar file.
- The file should be available via anonymous ftp. This directive
- tells MH to include a reference to a message/external-body part.
- See also \\[mh-edit-mhn]." t)
-
- (autoload 'mh-mhn-compose-forw "mh-mime"
- "Add a forw directive to this message, to forward a message with MIME.
- This directive tells MH to include another message in this one.
- See also \\[mh-edit-mhn]." t)
-
- (autoload 'mh-edit-mhn "mh-mime"
- "Format the current draft for MIME, expanding any mhn directives.
- Process the current draft with the mhn program, which,
- using directives already inserted in the draft, fills in
- all the MIME components and header fields.
- This step should be done last just before sending the message.
- The mhn program is part of MH version 6.8 or later.
- The `\\[mh-revert-mhn-edit]' command undoes this command.
- For assistance with creating mhn directives to insert
- various types of components in a message, see
- \\[mh-mhn-compose-insertion] (generic insertion from a file),
- \\[mh-mhn-compose-anon-ftp] (external reference to file via anonymous ftp),
- \\[mh-mhn-compose-external-compressed-tar] \
- \(reference to compressed tar file via anonymous ftp), and
- \\[mh-mhn-compose-forw] (forward message)." t)
-
- (autoload 'mh-revert-mhn-edit "mh-mime"
- "Undoes the effect of \\[mh-edit-mhn] by reverting to the backup file.
- Optional non-nil argument means don't ask for confirmation." t)
-