;;; gnus-dired.el --- utility functions where gnus and dired meet
-;; Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004,
+;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Authors: Benjamin Rutt <brutt@bloomington.in.us>,
;; Shenghuo Zhu <zsh@cs.rochester.edu>
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; 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.
+;; 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
;; 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.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; have the effect of installing keybindings in dired-mode, place the
;; following in your ~/.gnus:
-;; (require 'gnus-dired)
+;; (require 'gnus-dired) ;, isn't needed due to autoload cookies
;; (add-hook 'dired-mode-hook 'turn-on-gnus-dired-mode)
;; Note that if you visit dired buffers before your ~/.gnus file has
;;; Code:
(require 'dired)
-(require 'gnus-ems)
-(require 'gnus-msg)
-(require 'gnus-util)
-(require 'message)
-(require 'mm-encode)
-(require 'mml)
+(autoload 'mml-attach-file "mml")
+(autoload 'mm-default-file-encoding "mm-decode");; Shift this to `mailcap.el'?
+(autoload 'mailcap-extension-to-mime "mailcap")
+(autoload 'mailcap-mime-info "mailcap")
+
+;; Maybe shift this function to `mailcap.el'?
+(autoload 'mm-mailcap-command "mm-decode")
+
+(autoload 'ps-print-preprint "ps-print")
+
+;; Autoloads to avoid byte-compiler warnings. These are used only if the user
+;; customizes `gnus-dired-mail-mode' to use Message and/or Gnus.
+(autoload 'message-buffers "message")
+(autoload 'gnus-print-buffer "gnus-sum")
(defvar gnus-dired-mode nil
- "Minor mode for intersections of gnus and dired.")
+ "Minor mode for intersections of MIME mail composition and dired.")
(defvar gnus-dired-mode-map nil)
(unless gnus-dired-mode-map
(setq gnus-dired-mode-map (make-sparse-keymap))
- (gnus-define-keys gnus-dired-mode-map
- "\C-c\C-a" gnus-dired-attach
- "\C-c\C-f" gnus-dired-find-file-mailcap))
+ (define-key gnus-dired-mode-map "\C-c\C-m\C-a" 'gnus-dired-attach)
+ (define-key gnus-dired-mode-map "\C-c\C-m\C-l" 'gnus-dired-find-file-mailcap)
+ (define-key gnus-dired-mode-map "\C-c\C-m\C-p" 'gnus-dired-print))
+
+;; FIXME: Make it customizable, change the default to `mail-user-agent' when
+;; this file is renamed (e.g. to `dired-mime.el').
+
+(defcustom gnus-dired-mail-mode 'gnus-user-agent ;; mail-user-agent
+ "Your preference for a mail composition package.
+See `mail-user-agent' for more information."
+ :group 'mail ;; dired?
+ :version "23.1" ;; No Gnus
+ :type '(radio (function-item :tag "Default Emacs mail"
+ :format "%t\n"
+ sendmail-user-agent)
+ (function-item :tag "Emacs interface to MH"
+ :format "%t\n"
+ mh-e-user-agent)
+ (function-item :tag "Gnus Message package"
+ :format "%t\n"
+ message-user-agent)
+ (function-item :tag "Gnus Message with full Gnus features"
+ :format "%t\n"
+ gnus-user-agent)
+ (function :tag "Other")))
(defun gnus-dired-mode (&optional arg)
"Minor mode for intersections of gnus and dired.
(if (null arg) (not gnus-dired-mode)
(> (prefix-numeric-value arg) 0)))
(when gnus-dired-mode
- (gnus-add-minor-mode 'gnus-dired-mode "" gnus-dired-mode-map)
- (gnus-run-hooks 'gnus-dired-mode-hook))))
+ (add-minor-mode 'gnus-dired-mode "" gnus-dired-mode-map)
+ (save-current-buffer
+ (run-hooks 'gnus-dired-mode-hook)))))
-;; Convenience method to turn on gnus-dired-mode.
-(defsubst turn-on-gnus-dired-mode ()
+;;;###autoload
+(defun turn-on-gnus-dired-mode ()
+ "Convenience method to turn on gnus-dired-mode."
+ (interactive)
(gnus-dired-mode 1))
-;; Method to attach files to a gnus composition.
+(defun gnus-dired-mail-buffers ()
+ "Return a list of active mail composition buffers."
+ (if (and (memq gnus-dired-mail-mode '(message-user-agent gnus-user-agent))
+ (require 'message)
+ (fboundp 'message-buffers))
+ (message-buffers)
+ ;; Cf. `message-buffers' in `message.el':
+ (let (buffers)
+ (save-excursion
+ (dolist (buffer (buffer-list t))
+ (set-buffer buffer)
+ (when (eq major-mode 'mail-mode)
+ (push (buffer-name buffer) buffers))))
+ (nreverse buffers))))
+
+;; Method to attach files to a mail composition.
(defun gnus-dired-attach (files-to-attach)
"Attach dired's marked files to a gnus message composition.
If called non-interactively, FILES-TO-ATTACH should be a list of
(let ((destination nil)
(files-str nil)
(bufs nil))
- ;; warn if user tries to attach without any files marked
+ ;; warn if user tries to attach without any files marked
(if (null files-to-attach)
(error "No files to attach")
(setq files-str
(mapconcat
(lambda (f) (file-name-nondirectory f))
files-to-attach ", "))
- (setq bufs (message-buffers))
-
- ;; set up destination message buffer
+ (setq bufs (gnus-dired-mail-buffers))
+
+ ;; set up destination mail composition buffer
(if (and bufs
- (y-or-n-p "Attach files to existing message buffer? "))
+ (y-or-n-p "Attach files to existing mail composition buffer? "))
(setq destination
(if (= (length bufs) 1)
(get-buffer (car bufs))
- (completing-read "Attach to which message buffer: "
+ (completing-read "Attach to which mail composition buffer: "
(mapcar
(lambda (b)
(cons b (get-buffer b)))
bufs)
nil t)))
- ;; setup a new gnus message buffer
- (gnus-setup-message 'message (message-mail))
+ ;; setup a new mail composition buffer
+ (let ((mail-user-agent gnus-dired-mail-mode)
+ ;; A workaround to prevent Gnus from displaying the Gnus
+ ;; logo when invoking this command without loading Gnus.
+ ;; Gnus demonstrates it when gnus.elc is being loaded if
+ ;; a command of which the name is prefixed with "gnus"
+ ;; causes that autoloading. See the code in question,
+ ;; that is the one first found in gnus.el by performing
+ ;; `C-s this-command'.
+ (this-command (if (eq gnus-dired-mail-mode 'gnus-user-agent)
+ 'gnoose-dired-attach
+ this-command)))
+ (compose-mail))
(setq destination (current-buffer)))
;; set buffer to destination buffer, and attach files
(file-name-sans-versions (dired-get-filename) t)
current-prefix-arg))
(mailcap-parse-mailcaps)
- (if (and (file-exists-p file-name)
- (not (file-directory-p file-name)))
+ (if (file-exists-p file-name)
(let (mime-type method)
(if (and (not arg)
+ (not (file-directory-p file-name))
(string-match "\\.[^\\.]+$" file-name)
(setq mime-type
- (mailcap-extension-to-mime
+ (mailcap-extension-to-mime
(match-string 0 file-name)))
- (stringp
+ (stringp
(setq method
- (cdr (assoc 'viewer
- (car (mailcap-mime-info mime-type
- 'all)))))))
+ (cdr (assoc 'viewer
+ (car (mailcap-mime-info mime-type
+ 'all
+ 'no-decode)))))))
(let ((view-command (mm-mailcap-command method file-name nil)))
(message "viewing via %s" view-command)
(start-process "*display*"
(error "File is a symlink to a nonexistent target")
(error "File no longer exists; type `g' to update Dired buffer"))))
+(defun gnus-dired-print (&optional file-name print-to)
+ "In dired, print FILE-NAME according to the mailcap file.
+
+If there is no print command, print in a PostScript image. If the
+optional argument PRINT-TO is nil, send the image to the printer. If
+PRINT-TO is a string, save the PostScript image in a file with that
+name. If PRINT-TO is a number, prompt the user for the name of the
+file to save in."
+ (interactive (list
+ (file-name-sans-versions (dired-get-filename) t)
+ (ps-print-preprint current-prefix-arg)))
+ (mailcap-parse-mailcaps)
+ (cond
+ ((file-directory-p file-name)
+ (error "Can't print a directory"))
+ ((file-exists-p file-name)
+ (let (mime-type method)
+ (if (and (string-match "\\.[^\\.]+$" file-name)
+ (setq mime-type
+ (mailcap-extension-to-mime
+ (match-string 0 file-name)))
+ (stringp
+ (setq method (mailcap-mime-info mime-type "print"
+ 'no-decode))))
+ (call-process shell-file-name nil
+ (generate-new-buffer " *mm*")
+ nil
+ shell-command-switch
+ (mm-mailcap-command method file-name mime-type))
+ (with-temp-buffer
+ (insert-file-contents file-name)
+ (if (eq gnus-dired-mail-mode 'gnus-user-agent)
+ (gnus-print-buffer)
+ ;; FIXME:
+ (error "MIME print only implemeted via Gnus")))
+ (ps-despool print-to))))
+ ((file-symlink-p file-name)
+ (error "File is a symlink to a nonexistent target"))
+ (t
+ (error "File no longer exists; type `g' to update Dired buffer"))))
+
(provide 'gnus-dired)
+;; arch-tag: 44737731-e445-4638-a31e-713c7590ec76
;;; gnus-dired.el ends here