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[Emacs-diffs] Changes to emacs/lisp/talk.el [lexbind]
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/talk.el [lexbind] |
Date: |
Tue, 14 Oct 2003 19:52:24 -0400 |
Index: emacs/lisp/talk.el
diff -c /dev/null emacs/lisp/talk.el:1.6.2.1
*** /dev/null Tue Oct 14 19:52:24 2003
--- emacs/lisp/talk.el Tue Oct 14 19:51:25 2003
***************
*** 0 ****
--- 1,105 ----
+ ;;; talk.el --- allow several users to talk to each other through Emacs
+
+ ;; Copyright (C) 1995 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
+ ;; 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:
+
+ ;; This is a multi-user talk package that runs in Emacs.
+ ;; Use talk-connect to bring a new person into the conversation.
+
+ ;;; Code:
+
+ (defvar talk-display-alist nil
+ "Alist of displays on which Emacs talk is now running.
+ Each element has the form (DISPLAY FRAME BUFFER).")
+
+ ;;;###autoload
+ (defun talk-connect (display)
+ "Connect to display DISPLAY for the Emacs talk group."
+ (interactive "sTalk to display: ")
+ ;; Make sure we have an entry for the current display.
+ (let ((mydisp (cdr (assq 'display (frame-parameters (selected-frame))))))
+ (talk-add-display mydisp))
+ ;; Make sure we have an entry for the specified display.
+ (talk-add-display display)
+ ;; Add the new buffers to all talk frames.
+ (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)))))
+ (if (not (and elt (buffer-name (get-buffer (setq buffer (nth 2 elt))))))
+ (setq buffer (get-buffer-create name)))
+ (setq talk-display-alist
+ (cons (list display frame buffer) (delq elt talk-display-alist)))))
+
+ (defun talk-disconnect ()
+ "Disconnect this display from the Emacs talk group."
+ (interactive)
+ (let* ((mydisp (cdr (assq 'display (frame-parameters (selected-frame)))))
+ (elt (assoc mydisp talk-display-alist)))
+ (delete-frame (nth 1 elt))
+ (kill-buffer (nth 2 elt))
+ (setq talk-display-alist (delq elt talk-display-alist))
+ (talk-update-buffers)))
+
+ (defun talk-update-buffers ()
+ "Update all the talk frames so that each shows all the talk buffers."
+ (let ((tail talk-display-alist))
+ (while tail
+ (let ((frame (nth 1 (car tail)))
+ (this-buffer (nth 2 (car tail)))
+ (buffers
+ (mapcar (function (lambda (elt) (nth 2 elt)))
+ talk-display-alist)))
+ ;; Put this display's own talk buffer
+ ;; at the front of the list.
+ (setq buffers (cons this-buffer (delq this-buffer buffers)))
+ (talk-split-up-frame frame buffers))
+ (setq tail (cdr tail)))))
+
+ (defun talk-split-up-frame (frame buffers)
+ "Split FRAME into equal-sized windows displaying the buffers in BUFFERS.
+ Select the first of these windows, displaying the first of the buffers."
+ (let ((lines-per-buffer (/ (frame-height frame) (length buffers)))
+ (old-frame (selected-frame)))
+ (unwind-protect
+ (progn
+ (select-frame frame)
+ (select-window (frame-first-window frame))
+ (delete-other-windows)
+ (while (progn
+ (switch-to-buffer (car buffers))
+ (setq buffers (cdr buffers)))
+ (split-window-vertically lines-per-buffer)
+ (other-window 1))
+ (select-window (frame-first-window frame)))
+ (select-frame old-frame))))
+
+ (provide 'talk)
+
+ ;;; arch-tag: 7ab0ad88-1788-4886-a44c-ae685e6f8a1a
+ ;;; talk.el ends here
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Miles Bader <=