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comparison lisp/prim/help-nomule.el @ 207:e45d5e7c476e r20-4b2

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Import from CVS: tag r20-4b2
author cvs
date Mon, 13 Aug 2007 10:03:52 +0200
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206:d3e9274cbc4e 207:e45d5e7c476e
1 ;;; help-nomule.el --- Help functions when not in Mule
2
3 ;; Copyright (C) 1997 by Free Software Foundation, Inc.
4
5 ;; Maintainer: XEmacs Development Team
6 ;; Keywords: help, internal
7
8 ;; This file is part of XEmacs.
9
10 ;; XEmacs is free software; you can redistribute it and/or modify it
11 ;; under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
13 ;; any later version.
14
15 ;; XEmacs is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
19
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 ;; 02111-1307, USA.
24
25 ;;; Synched up with: Not in FSF
26
27 ;;; Commentary:
28
29 ;;
30
31 ;;; Code:
32
33 (defconst tutorial-supported-languages
34 '(("French" fr iso-8859-1)
35 ("German" de iso-8859-1)
36 ("Norwegian" no iso-8859-1)
37 ("Croatian" hr iso-8859-2))
38 "Alist of supported languages in TUTORIAL files.
39 Add languages here, as more are translated.")
40
41 ;; TUTORIAL arg is XEmacs addition
42 (defun help-with-tutorial (&optional tutorial language)
43 "Select the XEmacs learn-by-doing tutorial.
44 Optional arg TUTORIAL specifies the tutorial file; default is \"TUTORIAL\".
45 With a prefix argument, choose the language."
46 (interactive "i\nP")
47 (or tutorial
48 (setq tutorial "TUTORIAL"))
49 (when (and language (consp language))
50 (let ((completion-ignore-case t))
51 (setq language (assoc (completing-read "Language: "
52 tutorial-supported-languages
53 nil t)
54 tutorial-supported-languages))))
55 (when language
56 (setq tutorial (format "%s.%s" tutorial (cadr language))))
57 (let ((file (expand-file-name tutorial "~")))
58 (delete-other-windows)
59 (let ((buffer (or (get-file-buffer file)
60 (create-file-buffer file)))
61 (window-configuration (current-window-configuration)))
62 (condition-case error-data
63 (progn
64 (switch-to-buffer buffer)
65 (setq buffer-file-name file)
66 (setq default-directory (expand-file-name "~/"))
67 (setq buffer-auto-save-file-name nil)
68 ;; Because of non-Mule users, TUTORIALs are not coded
69 ;; independently, so we must guess the coding according to
70 ;; the language.
71 (let ((coding-system-for-read (nth 2 language)))
72 (insert-file-contents (expand-file-name tutorial
73 data-directory)))
74 (goto-char (point-min))
75 (search-forward "\n<<")
76 (delete-region (point-at-bol) (point-at-eol))
77 (let ((n (- (window-height (selected-window))
78 (count-lines (point-min) (point))
79 6)))
80 (if (< n 12)
81 (newline n)
82 ;; Some people get confused by the large gap.
83 (newline (/ n 2))
84 (insert "[Middle of page left blank for didactic purposes. "
85 "Text continues below]")
86 (newline (- n (/ n 2)))))
87 (goto-char (point-min))
88 (set-buffer-modified-p nil))
89 ;; TUTORIAL was not found: kill the buffer and restore the
90 ;; window configuration.
91 (file-error (kill-buffer buffer)
92 (set-window-configuration window-configuration)
93 ;; Now, signal the error
94 (signal (car error-data) (cdr error-data)))))))
95
96
97 (provide 'help-nomule)
98
99 ;;; help-nomule.el ends here