Mercurial > hg > xemacs-beta
diff lisp/prim/help-nomule.el @ 207:e45d5e7c476e r20-4b2
Import from CVS: tag r20-4b2
author | cvs |
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date | Mon, 13 Aug 2007 10:03:52 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lisp/prim/help-nomule.el Mon Aug 13 10:03:52 2007 +0200 @@ -0,0 +1,99 @@ +;;; help-nomule.el --- Help functions when not in Mule + +;; Copyright (C) 1997 by Free Software Foundation, Inc. + +;; Maintainer: XEmacs Development Team +;; Keywords: help, internal + +;; This file is part of XEmacs. + +;; XEmacs 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. + +;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the Free +;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +;; 02111-1307, USA. + +;;; Synched up with: Not in FSF + +;;; Commentary: + +;; + +;;; Code: + +(defconst tutorial-supported-languages + '(("French" fr iso-8859-1) + ("German" de iso-8859-1) + ("Norwegian" no iso-8859-1) + ("Croatian" hr iso-8859-2)) + "Alist of supported languages in TUTORIAL files. +Add languages here, as more are translated.") + +;; TUTORIAL arg is XEmacs addition +(defun help-with-tutorial (&optional tutorial language) + "Select the XEmacs learn-by-doing tutorial. +Optional arg TUTORIAL specifies the tutorial file; default is \"TUTORIAL\". +With a prefix argument, choose the language." + (interactive "i\nP") + (or tutorial + (setq tutorial "TUTORIAL")) + (when (and language (consp language)) + (let ((completion-ignore-case t)) + (setq language (assoc (completing-read "Language: " + tutorial-supported-languages + nil t) + tutorial-supported-languages)))) + (when language + (setq tutorial (format "%s.%s" tutorial (cadr language)))) + (let ((file (expand-file-name tutorial "~"))) + (delete-other-windows) + (let ((buffer (or (get-file-buffer file) + (create-file-buffer file))) + (window-configuration (current-window-configuration))) + (condition-case error-data + (progn + (switch-to-buffer buffer) + (setq buffer-file-name file) + (setq default-directory (expand-file-name "~/")) + (setq buffer-auto-save-file-name nil) + ;; Because of non-Mule users, TUTORIALs are not coded + ;; independently, so we must guess the coding according to + ;; the language. + (let ((coding-system-for-read (nth 2 language))) + (insert-file-contents (expand-file-name tutorial + data-directory))) + (goto-char (point-min)) + (search-forward "\n<<") + (delete-region (point-at-bol) (point-at-eol)) + (let ((n (- (window-height (selected-window)) + (count-lines (point-min) (point)) + 6))) + (if (< n 12) + (newline n) + ;; Some people get confused by the large gap. + (newline (/ n 2)) + (insert "[Middle of page left blank for didactic purposes. " + "Text continues below]") + (newline (- n (/ n 2))))) + (goto-char (point-min)) + (set-buffer-modified-p nil)) + ;; TUTORIAL was not found: kill the buffer and restore the + ;; window configuration. + (file-error (kill-buffer buffer) + (set-window-configuration window-configuration) + ;; Now, signal the error + (signal (car error-data) (cdr error-data))))))) + + +(provide 'help-nomule) + +;;; help-nomule.el ends here \ No newline at end of file