bbdb / lisp / bbdb-mhe.el

;;; -*- Mode:Emacs-Lisp -*-

;;; This file is part of the Insidious Big Brother Database (aka BBDB),
;;; copyright (c) 1991 Todd Kaufmann <>
;;; Interface to mh-e version 3.7 or later (modeled after bbdb-rmail).
;;; Created  5-Mar-91;
;;; Modified: 28-Jul-94 by Fritz Knabe <>
;;;			   Jack Repenning <>

;;; The Insidious Big Brother Database 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 1, or (at your
;;; option) any later version.
;;; BBDB 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, 675 Mass Ave, Cambridge, MA 02139, USA.

;; bbdb-mhe.el,v 1.54 1998/04/11 07:20:03 simmonmt Exp
;; bbdb-mhe.el,v
;; Revision 1.54  1998/04/11 07:20:03  simmonmt
;; Colin Rafferty's patch adding autoload cookies back
;; Revision 1.53  1998/02/23 07:09:59  simmonmt
;; Use add-hook
;; Revision 1.52  1997/11/02 07:41:52  simmonmt
;; bbdb/mh-annotate-sender now takes REPLACE argument

(require 'bbdb)
;; We advise several mh-e functions
(require 'mh-e)
  (if (fboundp 'mh-version)
      (require 'mh-comp)))		; For mh-e 4.x
(require 'advice)

(defmacro bbdb/mh-cache-key (message)
  "Return a (numeric) key for MESSAGE"
  (`(let* ((attrs (file-attributes (, message)))
	   (status-time (nth 6 attrs))
	   (status-time-2 (cdr status-time)))
      (logxor (nth 10 attrs)
	      (car status-time)
	      ;; We need the following test because XEmacs returns the
	      ;; status time as a dotted pair, whereas FSF and Epoch
	      ;; return it as list.
	      (if (integerp status-time-2)
		(car status-time-2))))))

(defun bbdb/mh-update-record (&optional offer-to-create)
  "Returns the record corresponding to the current MH message, creating or
modifying it as necessary.  A record will be created if 
bbdb/mail-auto-create-p is non-nil, or if OFFER-TO-CREATE is true and
the user confirms the creation."
    (and mh-show-buffer (set-buffer mh-show-buffer))
    (if bbdb-use-pop-up
	(bbdb/mh-pop-up-bbdb-buffer offer-to-create)
      (let ((msg (bbdb/mh-cache-key buffer-file-name)))
	(if (eq msg 0) (setq msg nil))	; 0 could mean trouble; be safe.
	(or (bbdb-message-cache-lookup msg nil) ; nil = current-buffer
	    (let ((from (bbdb/mh-get-field "^From[ \t]*:"))
		  name net)
	      (if (or (string= "" from)
		      (string-match (bbdb-user-mail-names)
				    (mail-strip-quoted-names from)))
		  ;; if logged-in user sent this, use recipients.
		    (setq from (bbdb/mh-get-field "^To[ \t]*:"))
		    (if (or (string= "" from)
			    (string-match (bbdb-user-mail-names)
					  (mail-strip-quoted-names from)))
			(setq from nil))))
	      (if from
		  (bbdb-encache-message msg
		    (bbdb-annotate-message-sender from t
		      (or (bbdb-invoke-hook-for-value bbdb/mail-auto-create-p)

(defun bbdb/mh-annotate-sender (string &optional replace)
  "Add a line to the end of the Notes field of the BBDB record 
corresponding to the sender of this message.  If REPLACE is non-nil,
replace the existing notes entry (if any)."
  (interactive (list (if bbdb-readonly-p
			 (error "The Insidious Big Brother Database is read-only.")
			 (read-string "Comments: "))))
  (let ((b (current-buffer))
	(p (point)))
    (set-buffer mh-show-buffer)
    (bbdb-annotate-notes (bbdb/mh-update-record t) string 'notes replace)
    (set-buffer b)
    (goto-char p)))

(defun bbdb/mh-edit-notes (&optional arg)
  "Edit the notes field or (with a prefix arg) a user-defined field
of the BBDB record corresponding to the sender of this message."
  (interactive "P")
  (let ((b (current-buffer))
	(p (point)))
    (set-buffer mh-show-buffer)
    (let (bbdb-electric-p (record (or (bbdb/mh-update-record t) (error ""))))
      (bbdb-display-records (list record))
      (if arg
	  (bbdb-record-edit-property record nil t)
	(bbdb-record-edit-notes record t)))
    (set-buffer b)
    (goto-char p)))

(defun bbdb/mh-show-sender ()
  "Display the contents of the BBDB for the sender of this message.
This buffer will be in bbdb-mode, with associated keybindings."
  (let ((b (current-buffer))
	(p (point)))
    (set-buffer mh-show-buffer)
    (let ((record (bbdb/mh-update-record t)))
      (if record
	  (bbdb-display-records (list record))
	(error "unperson")))
    (set-buffer b)
    (goto-char p)))

(defun bbdb/mh-pop-up-bbdb-buffer (&optional offer-to-create)
  "Make the *BBDB* buffer be displayed along with the MH window,
displaying the record corresponding to the sender of the current message."
    (function (lambda (w)
      (let ((b (current-buffer)))
	(set-buffer (window-buffer w))
	(prog1 (eq major-mode 'mh-folder-mode)
	  (set-buffer b))))))
  (let ((bbdb-gag-messages t)
	(bbdb-use-pop-up nil)
	(bbdb-electric-p nil))
    (let ((record (bbdb/mh-update-record offer-to-create))
	  (bbdb-elided-display (bbdb-pop-up-elided-display)))
      (bbdb-display-records (if record (list record) nil))

;; this is a more strict version of mh-get-field which takes an regexp

(defun bbdb/mh-get-field (field)
  ;; Find and return the value of field FIELD (regexp) in the current buffer.
  ;; Returns the empty string if the field is not in the message.
  (let ((case-fold-search nil))
    (goto-char (point-min))
    (cond ((not (re-search-forward field nil t)) "")
	  ((looking-at "[\t ]*$") "")
	  (t (re-search-forward "[\t ]*\\([^\t \n].*\\)$" nil t)
	   (let ((field (buffer-substring (match-beginning 1) (match-end 1)))
		 (end-of-match (point)))
	     (while (looking-at "[ \t]") (forward-line 1))
	     (backward-char 1)
	     (if (<= (point) end-of-match)
		 (format "%s%s" field
			 (buffer-substring end-of-match (point)))))))))

(defadvice mh-process-commands (after mh-bbdb-process act)

(defadvice mh-send (before mh-bbdb-send act)
  (interactive (list
		(bbdb-read-addresses-with-completion "To: ")
		(bbdb-read-addresses-with-completion "Cc: ")
		(read-string "Subject: "))))

(defadvice mh-send-other-window (before mh-bbdb-send-other act)
  (interactive (list
		(bbdb-read-addresses-with-completion "To: ")
		(bbdb-read-addresses-with-completion "Cc: ")
		(read-string "Subject: "))))

(defadvice mh-forward (before mh-bbdb-forward act)
  (interactive (list (bbdb-read-addresses-with-completion "To: ")
		     (bbdb-read-addresses-with-completion "Cc: ")
		     (if current-prefix-arg
			 (mh-read-seq-default "Forward" t)
		       (mh-get-msg-num t)))))

(defadvice mh-redistribute (before mh-bbdb-redist act)
  (interactive (list
		(bbdb-read-addresses-with-completion "Redist-To: ")
		(bbdb-read-addresses-with-completion "Redist-Cc: ")
		(mh-get-msg-num t))))

;; mail from bbdb-mode using mh

;; these redefine the bbdb-send-mail functions to use mh-send.

;;; Install bbdb into mh-e's show-message function

(defun bbdb-insinuate-mh ()
  "Call this function to hook BBDB into MH-E."
  (define-key mh-folder-mode-map ":" 'bbdb/mh-show-sender)
  (define-key mh-folder-mode-map ";" 'bbdb/mh-edit-notes)
  (add-hook 'mh-show-hook 'bbdb/mh-update-record)
  (define-key mh-letter-mode-map "\e\t" 'bbdb-complete-name))

(provide 'bbdb-mhe)
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