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