;;; talk.el --- allow several users to talk to each other through Emacs
-;; Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005,
-;; 2006, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 2001-2011 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: comm, frames
;; 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 3, 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Add the new buffers to all talk frames.
(talk-update-buffers))
+;;;###autoload
+(defun talk ()
+ "Connect to the Emacs talk group from the current X display or tty frame."
+ (interactive)
+ (let ((type (frame-live-p (selected-frame)))
+ (display (frame-terminal (selected-frame))))
+ (if (or (eq type t) (eq type 'x))
+ (talk-add-display
+ (terminal-name (frame-terminal (selected-frame))))
+ (error "Unknown frame type")))
+ (talk-update-buffers))
+
(defun talk-add-display (display)
(let* ((elt (assoc display talk-display-alist))
(name (concat "*talk-" display "*"))
- buffer frame)
- (if (not (and elt (frame-live-p (setq frame (nth 1 elt)))))
- (setq frame (make-frame-on-display display (list (cons 'name name)))))
+ frame buffer)
+ (if (and elt (frame-live-p (nth 1 elt)))
+ (setq frame (nth 1 elt))
+ (setq frame (make-frame-on-display display (list (cons 'name name)))))
(if (not (and elt (buffer-name (get-buffer (setq buffer (nth 2 elt))))))
(setq buffer (get-buffer-create name)))
+ (add-to-list 'delete-frame-functions 'talk-handle-delete-frame)
(setq talk-display-alist
(cons (list display frame buffer) (delq elt talk-display-alist)))))
+(defun talk-handle-delete-frame (frame)
+ (dolist (d talk-display-alist)
+ (when (eq (nth 1 d) frame)
+ (setq talk-display-alist (delq d talk-display-alist))
+ (talk-update-buffers))))
+
(defun talk-disconnect ()
"Disconnect this display from the Emacs talk group."
(interactive)
(provide 'talk)
-;;; arch-tag: 7ab0ad88-1788-4886-a44c-ae685e6f8a1a
;;; talk.el ends here