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Persistent emacs-w3m sessions
- From: Jose A.Ortega Ruiz <jao@xxxxxxxxxxxxxx>
- Date: Thu, 21 Aug 2003 01:33:05 +0200
- X-ml-name: emacs-w3m
- X-mail-count: 05672
i've put together a little elisp that lets you save and restore w3m
sessions (see code and comments below). perhaps something like this is
already available somewhere, but i wasn't able to find it.
any comments very welcome!!! please cc: me in your followups (i'm not
(yet) subscribed to the list, sorry).
-----8<-------- w3m-session.el ---------------------->8-----------------
;;; w3m-session.el --- Persistent emacs-w3m sessions
;; Copyright (C) 2003 Jose A Ortega Ruiz
;; Author: Jose A Ortega Ruiz <firstname.lastname@example.org>
;; Version: 0.1
;; Keywords: hypermedia, w3m, WWW
;; This file 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.
;; This file 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.
;; w3m-session provides persistent emacs-w3m browsing sessions. When
;; quitting w3m (or, if you request it, at any other time while using
;; it) you can save the current w3m session (that is, the set of open
;; tabs and the URLs they're visiting). Upon restarting emacs-w3m
;; (possibly after restarting Emacs itself) you'll have the possibity
;; of recovering the saved session (that is, of re-opening the saved
;; tabs and URLs). You also have at your disposal a command to recover
;; the saved session at any other time.
;; Just put this file somewhere on your Emacs load path and add the
;; following line to your .emacs file:
;; (require 'w3m-session)
;; After restarting Emacs (or evaluating the form above), each time
;; you start emacs-w3m with 'w3m' you'll get a prompt asking whether
;; your last browsing session should be loaded. Likewise, when
;; quitting the browser, you'll have the possibility of saving your
;; current session (overwriting the previous one).
;; In addition, two new interactive functions are defined:
;; w3m-session-load -- load the last stored session
;; w3m-session-save -- save the current session
;; These functions can be invoked at any time while running emacs-w3m.
;; Optionally, you can bind them to key shortcuts with the proper
;; variations of the following elisp magic in your .emacs:
;; (define-key w3m-mode-map "S" 'w3m-session-save)
;; (define-key w3m-mode-map "L" 'w3m-session-load)
;; A new customization group, w3m-session, is available. There you can
;; customize the following variables:
;; w3m-session-load-always -- if t, w3m-session-load will *not* ask
;; for confirmation
;; w3m-session-save-always -- if t, w3m-session-load will *not* ask
;; for confirmation
;; w3m-session-file -- the file where w3m session info is stored
;; - Version 0.1 (Wed Aug 20) -- Initial release.
;;; Custom variables:
(defgroup w3m-session nil
"w3m - session saving in w3m."
(defcustom w3m-session-file "~/.w3m-session"
"File to save the w3m session data."
(defcustom w3m-session-save-always nil
"If on, always save w3m session without asking."
(defcustom w3m-session-load-always nil
"If on, always load w3m session without asking."
;;; Interactive functions:
(defun w3m-session-save ()
"Save the current w3m session."
(when (and (w3m-alive-p)
(y-or-n-p "Save current w3m session? ")))
(defun w3m-session-load ()
"Load last stored session into w3m."
(w3m-goto-url-new-session (w3m-session-load-aux) t))
;;;; advice w3m to use session management
(defadvice w3m (before jao-load-session activate)
"Optionally load last w3m session on startup."
(list (or (w3m-session-load-aux) w3m-home-page) t t)))
(defadvice w3m-quit (before jao-save-session activate)
"Save session before quitting."
;;;; save session on exit using the desktop package
'(add-hook 'desktop-save-hook 'w3m-session-save))
;;;; auxiliar functions
(defun w3m-session-current ()
(mapconcat (lambda (b) (set-buffer b) w3m-current-url)
(defun w3m-session-from-file ()
(let* ((buffer (find-file-noselect (expand-file-name w3m-session-file) t))
(sexp (and buffer
(when buffer (kill-buffer buffer))
(and (equal 'w3m-session (car sexp)) (cadr sexp)))))
(defun w3m-session-load-aux ()
(when (and (file-readable-p (expand-file-name w3m-session-file))
(y-or-n-p "Load last w3m session? ")))
(defun w3m-session-current-to-file ()
(set-buffer (find-file-noselect (expand-file-name w3m-session-file) t))
(insert ";;;; File generated by w3m-session. DO NOT EDIT!\n")
(insert "(w3m-session \"" (w3m-session-current) "\")")
(insert "\n" ";;;; End of " (buffer-name) "\n")
;;; w3m-session.el ends here