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1 ;;!emacs
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2 ;;
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3 ;; FILE: hinit.el
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4 ;; SUMMARY: Standard initializations for Hyperbole hypertext system.
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5 ;; USAGE: GNU Emacs Lisp Library
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6 ;; KEYWORDS: hypermedia
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7 ;;
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8 ;; AUTHOR: Bob Weiner
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9 ;; ORG: Brown U.
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10 ;;
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11 ;; ORIG-DATE: 1-Oct-91 at 02:32:51
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12 ;; LAST-MOD: 22-Oct-95 at 00:27:13 by Bob Weiner
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13 ;;
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14 ;; This file is part of Hyperbole.
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15 ;; Available for use and distribution under the same terms as GNU Emacs.
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16 ;;
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17 ;; Copyright (C) 1991-1995, Free Software Foundation, Inc.
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18 ;; Developed with support from Motorola Inc.
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19 ;;
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20 ;; DESCRIPTION:
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21 ;; DESCRIP-END.
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22
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23 ;;; ************************************************************************
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24 ;;; Public variables
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25 ;;; ************************************************************************
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26
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27 (defvar hyperb:host-domain nil
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28 "<@domain-name> for current host. Set automatically by 'hyperb:init'.")
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29
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30 ;;; ************************************************************************
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31 ;;; Other required Elisp libraries
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32 ;;; ************************************************************************
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33
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34 (require 'hvar)
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35
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36 (mapcar 'require '(hui-mouse hypb hui hui-mini hbmap hibtypes))
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37
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38 ;;; ************************************************************************
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39 ;;; Public functions
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40 ;;; ************************************************************************
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41
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42 (if (not (fboundp 'br-in-browser))
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43 ;; Then the OO-Browser is not loaded, so we can never be within the
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44 ;; browser. Define this as a dummy function that always returns nil
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45 ;; until the OO-Browser is ever loaded.
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46 (defun br-in-browser ()
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47 "Always returns nil since the OO-Browser is not loaded."
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48 nil))
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49
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50 (defun hyperb:init ()
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51 "Standard configuration routine for Hyperbole."
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52 (interactive)
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53 (run-hooks 'hyperb:init-hook)
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54 (hyperb:check-dir-user)
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55 (or hyperb:host-domain (setq hyperb:host-domain (hypb:domain-name)))
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56 (hyperb:act-set)
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57 ;;
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58 ;; Save button attribute file whenever same dir file is saved and
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59 ;; 'ebut:hattr-save' is non-nil.
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60 ;;
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61 (var:append 'write-file-hooks '(hattr:save))
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62 ;;
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63 (hyperb:init-menubar))
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64
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65 (defun hyperb:init-menubar ()
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66 "Add a pulldown menu for Hyperbole, if appropriate."
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67 (and hyperb:window-system
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68 (or hyperb:lemacs-p
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69 (if hyperb:emacs19-p
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70 (require 'lmenu)))
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71 (require 'hui-menu)
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72 ;; XEmacs or Emacs19 under a window system; add Hyperbole menu to
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73 ;; menubar.
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74 (hyperbole-menubar-menu)))
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75
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76 (defun hyperb:act-set ()
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77 "COORDINATION IS NOT YET OPERATIONAL. hui-coord.el IS NOT INCLUDED.
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78 Sets Hyperbole action command to uncoordinated or coordinated operation.
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79 Coordinated is used when 'hcoord:hosts' is a non-nil list.
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80 See \"hui-coord.el\"."
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81 (interactive)
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82 (fset 'hyperb:act (if (and (boundp 'hcoord:hosts) hcoord:hosts)
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83 'hcoord:act 'hbut:act)))
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84
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85
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86 ;;; ************************************************************************
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87 ;;; Private functions
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88 ;;; ************************************************************************
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89
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90 (defun hyperb:check-dir-user ()
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91 "Ensures 'hbmap:dir-user' exists and is writable or signals an error."
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92 (if (or (null hbmap:dir-user) (not (stringp hbmap:dir-user))
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93 (and (setq hbmap:dir-user (file-name-as-directory
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94 (expand-file-name hbmap:dir-user)))
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95 (file-directory-p hbmap:dir-user)
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96 (not (file-writable-p (directory-file-name hbmap:dir-user)))))
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97 (error
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98 "(hyperb:init): 'hbmap:dir-user' must be a writable directory name."))
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99 (let ((hbmap:dir-user (directory-file-name hbmap:dir-user)))
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100 (or (file-directory-p hbmap:dir-user) ;; Exists and is writable.
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101 (let* ((parent-dir (file-name-directory
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102 (directory-file-name hbmap:dir-user))))
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103 (cond
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104 ((not (file-directory-p parent-dir))
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105 (error
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106 "(hyperb:init): 'hbmap:dir-user' parent dir does not exist."))
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107 ((not (file-writable-p parent-dir))
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108 (error
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109 "(hyperb:init): 'hbmap:dir-user' parent directory not writable."))
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110 ((or (if (fboundp 'make-directory)
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111 (progn (make-directory hbmap:dir-user) t))
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112 (hypb:call-process-p "mkdir" nil nil hbmap:dir-user))
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113 (or (file-writable-p hbmap:dir-user)
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114 (or (progn (hypb:chmod '+ 700 hbmap:dir-user)
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115 (file-writable-p hbmap:dir-user))
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116 (error "(hyperb:init): Can't write to 'hbmap:dir-user'.")
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117 )))
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118 (t (error "(hyperb:init): 'hbmap:dir-user' create failed."))))))
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119 t)
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120
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121 (provide 'hinit)
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122
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