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1 ;;!emacs
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2 ;;
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3 ;; FILE: hui-mini.el
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4 ;; SUMMARY: One line command menus for Hyperbole
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5 ;; USAGE: GNU Emacs Lisp Library
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6 ;; KEYWORDS: hypermedia, mouse
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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: 15-Oct-91 at 20:13:17
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12 ;; LAST-MOD: 3-Nov-95 at 04:02:02 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 ;;; Other required Elisp libraries
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25 ;;; ************************************************************************
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26
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27 (require 'hypb)
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28
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29 ;;; ************************************************************************
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30 ;;; Public variables
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31 ;;; ************************************************************************
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32
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33 (defvar hui:menu-select "\C-m"
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34 "*Upper case char-string which selects the Hyperbole menu item at point.")
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35 (defvar hui:menu-quit "Q"
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36 "*Upper case char-string which quits selecting from a Hyperbole menu item.")
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37 (defvar hui:menu-abort "\C-g"
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38 "*Same function as 'hui:menu-quit'.")
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39 (defvar hui:menu-top "\C-t"
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40 "*Character which returns to top Hyperbole menu.")
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41
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42 (defvar hui:menu-p nil
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43 "Non-nil iff a current Hyperbole menu activation exists.")
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44
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45 (defvar hui:menus nil
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46 "Command menus for use with the default Hyperbole user interface.")
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47 (setq
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48 hui:menus
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49 (delq nil
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50 (list (cons
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51 'hyperbole
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52 (append
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53 (let ((version (if (= (aref hyperb:version 0) ?0)
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54 (substring hyperb:version 1)
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55 hyperb:version)))
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56 (list (list (concat "Hy" version ">"))))
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57 (delq nil
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58 (list
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59 '("Act" hui:hbut-act
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60 "Activates button at point or prompts for explicit button.")
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61 '("Butfile/" (menu . butfile)
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62 "Quick access button files menus.")
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63 '("Doc/" (menu . doc)
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64 "Quick access to Hyperbole documentation.")
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65 '("Ebut/" (menu . ebut)
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66 "Explicit button commands.")
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67 '("Gbut/" (menu . gbut)
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68 "Global button commands.")
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69 '("Hist" (hhist:remove current-prefix-arg)
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70 "Jumps back to location prior to last Hyperbole button follow.")
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71 '("Ibut/" (menu . ibut)
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72 "Implicit button and button type commands.")
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73 '("Msg/" (menu . msg)
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74 "Mail and News messaging facilities.")
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75 (if hyperb:kotl-p
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76 '("Otl/" (menu . otl)
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77 "Autonumbered outlining and hyper-node facilities."))
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78 '("Rolo/" (menu . rolo)
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79 "Hierarchical, multi-file rolodex lookup and edit commands.")
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80 '("Win/" (menu . win)
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81 "Window configuration management command.")
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82 ))))
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83 '(butfile .
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84 (("Butfile>")
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85 ("DirFile" (find-file hbmap:filename)
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86 "Edits directory-specific button file.")
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87 ("Info"
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88 (id-info "(hyperbole.info)Button Files")
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89 "Displays manual section on button files.")
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90 ("PersonalFile" (find-file
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91 (expand-file-name hbmap:filename hbmap:dir-user))
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92 "Edits user-specific button file.")
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93 ))
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94 '(doc .
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95 (("Doc>")
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96 ("Demo" (find-file-read-only
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97 (expand-file-name "DEMO" hyperb:dir))
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98 "Demonstrates Hyperbole features.")
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99 ("Files" (find-file-read-only
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100 (expand-file-name "MANIFEST" hyperb:dir))
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101 "Summarizes Hyperbole system files. Click on an entry to view it.")
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102 ("Glossary"
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103 (id-info "(hyperbole.info)Glossary")
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104 "Glossary of Hyperbole terms.")
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105 ("HypbCopy" (id-info "(hyperbole.info)Top")
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106 "Displays general Hyperbole copyright and license details.")
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107 ("Info" (id-info "(hyperbole.info)Top")
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108 "Online Info version of Hyperbole manual.")
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109 ("MailLists" (id-info "(hyperbole.info)Mail Lists")
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110 "Details on Hyperbole mail list subscriptions.")
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111 ("New" (progn
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112 (hact 'link-to-regexp-match
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113 "\\*[ \t]+What's New" 2
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114 (expand-file-name "README" hyperb:dir))
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115 (setq buffer-read-only nil)
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116 (toggle-read-only))
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117 "Recent changes to Hyperbole.")
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118 ("SmartKy" (find-file-read-only (hypb:mouse-help-file))
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119 "Summarizes Smart Key mouse or keyboard handling.")
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120 ("Types/" (menu . types)
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121 "Provides documentation on Hyperbole types.")
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122 ))
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123 '(ebut .
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124 (("EButton>")
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125 ("Act" hui:hbut-act
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126 "Activates button at point or prompts for explicit button.")
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127 ("Create" hui:ebut-create)
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128 ("Delete" hui:ebut-delete)
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129 ("Edit" hui:ebut-modify "Modifies any desired button attributes.")
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130 ("Help/" (menu . ebut-help) "Summarizes button attributes.")
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131 ("Info"
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132 (id-info "(hyperbole.info)Explicit Buttons")
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133 "Displays manual section on explicit buttons.")
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134 ("Modify" hui:ebut-modify "Modifies any desired button attributes.")
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135 ("Rename" hui:ebut-rename "Relabels an explicit button.")
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136 ("Search" hui:ebut-search
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137 "Locates and displays personally created buttons in context.")
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138 ))
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139 '(ebut-help .
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140 (("Help on>")
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141 ("BufferButs" (hui:hbut-report -1)
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142 "Summarizes all explicit buttons in buffer.")
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143 ("CurrentBut" (hui:hbut-report)
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144 "Summarizes only current button in buffer.")
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145 ("OrderedButs" (hui:hbut-report 1)
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146 "Summarizes explicit buttons in lexicographically order.")
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147 ))
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148 '(gbut .
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149 (("GButton>")
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150 ("Act" gbut:act "Activates global button by name.")
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151 ("Create" hui:gbut-create "Adds a global button to gbut:file.")
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152 ("Edit" hui:gbut-modify "Modifies global button attributes.")
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153 ("Help" gbut:help "Reports on a global button by name.")
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154 ("Info" (id-info "(hyperbole.info)Global Buttons")
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155 "Displays manual section on global buttons.")
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156 ("Modify" hui:gbut-modify "Modifies global button attributes.")
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157 ))
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158 '(ibut .
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159 (("IButton>")
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160 ("Act" hui:hbut-act "Activates implicit button at point.")
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161 ("DeleteIButType" (hui:htype-delete 'ibtypes)
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162 "Deletes specified button type.")
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163 ("Help" hui:hbut-help "Reports on button's attributes.")
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164 ("Info" (id-info "(hyperbole.info)Implicit Buttons")
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165 "Displays manual section on implicit buttons.")
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166 ("Types" (hui:htype-help 'ibtypes 'no-sort)
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167 "Displays documentation for one or all implicit button types.")
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168 ))
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169 '(msg .
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170 (("Msg>")
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171 ("Compose-Hypb-Mail"
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172 (hmail:compose "hyperbole@hub.ucsb.edu" '(hact 'hyp-config))
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173 "Send a message to the Hyperbole discussion list.")
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174 ("Edit-Hypb-List-Entry"
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175 (hmail:compose "hyperbole-request@hub.ucsb.edu"
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176 '(hact 'hyp-request))
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177 "Add, remove or change your entry on a the Hyperbole mail list.")
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178 ("Modify-Hypb-Announce-Entry"
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179 (hmail:compose "hyperbole-announce-request@hub.ucsb.edu"
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180 '(hact 'hyp-request))
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181 "Add, remove or change your entry on the Hyperbole Announce mail list.")
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182 ))
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183 (if hyperb:kotl-p
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184 '(otl
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185 . (("Otl>")
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186 ("All" kotl-mode:show-all "Expand all collapsed cells.")
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187 ("Blanks" kvspec:toggle-blank-lines
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188 "Toggle blank lines between cells on or off.")
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189 ("Create" kfile:find "Create or edit an outline file.")
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190 ("Downto" kotl-mode:hide-sublevels
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191 "Hide all cells in outline deeper than a particular level.")
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192 ("Examp" (find-file-read-only
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193 (expand-file-name
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194 "EXAMPLE.kotl" (concat hyperb:dir "kotl/")))
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195 "Display a self-descriptive example outline file.")
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196 ("Hide" (progn (kotl-mode:is-p)
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197 (kotl-mode:hide-tree (kcell-view:label)))
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198 "Collapse tree rooted at point.")
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199 ("Info"
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200 (id-info "(hyperbole.info)Outliner")
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201 "Display manual section on Hyperbole outliner.")
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202 ("Kill" kotl-mode:kill-tree
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203 "Kill ARG following trees starting from point.")
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204 ("Link" klink:create
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205 "Create and insert an implicit link at point.")
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206 ("Overvw" kotl-mode:overview
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207 "Show first line of each cell.")
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208 ("Show" (progn (kotl-mode:is-p)
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209 (kotl-mode:show-tree (kcell-view:label)))
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210 "Expand tree rooted at point.")
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211 ("Top" kotl-mode:top-cells
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212 "Hide all but top-level cells.")
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213 ("Vspec" kvspec:activate
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214 "Prompt for and activate a view specifiction.")
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215 )))
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216 '(rolo .
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217 (("Rolo>")
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218 ("Add" rolo-add "Add a new rolo entry.")
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219 ("Display" rolo-display-matches
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220 "Display last found rolodex matches again.")
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221 ("Edit" rolo-edit "Edit an existing rolo entry.")
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222 ("Info" (id-info "(hyperbole.info)Rolodex")
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223 "Displays manual section on Hyperbole rolodex.")
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224 ("Kill" rolo-kill "Kill an existing rolo entry.")
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225 ("Mail" rolo-mail-to "Mail to address following point.")
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226 ("Order" rolo-sort "Order rolo entries in a file.")
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227 ("RegexFind" rolo-grep "Find entries containing a regexp.")
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228 ("StringFind" rolo-fgrep "Find entries containing a string.")
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229 ("WordFind" rolo-word "Find entries containing words.")
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230 ("Yank" rolo-yank
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231 "Find an entry containing a string and insert it at point.")
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232 ))
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233 '(types .
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234 (("Types>")
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235 ("ActionTypes" (hui:htype-help 'actypes)
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236 "Displays documentation for one or all action types.")
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237 ("IButTypes" (hui:htype-help 'ibtypes 'no-sort)
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238 "Displays documentation for one or all implicit button types.")
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239 ))
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240 '(win .
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241 (("WinConfig>")
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242 ("AddName" wconfig-add-by-name
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243 "Name current window configuration.")
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244 ("DeleteName" wconfig-delete-by-name
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245 "Delete named window configuration.")
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246 ("RestoreName" wconfig-restore-by-name
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247 "Restore frame to window configuration given by name.")
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248 ("PopRing" (progn (wconfig-delete-pop)
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249 (hyperbole 'win))
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250 "Restores window configuration from ring and removes it from ring.")
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251 ("SaveRing" (wconfig-ring-save)
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252 "Saves current window configuration to ring.")
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253 ("YankRing" (progn (call-interactively 'wconfig-yank-pop)
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254 (hyperbole 'win))
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255 "Restores next window configuration from ring.")
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256 ))
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257 )))
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258
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259 ;;; ************************************************************************
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260 ;;; Public functions
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261 ;;; ************************************************************************
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262
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263 ;;; Old name
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264 (fset 'hui:menu 'hyperbole)
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265
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266 ;;; Used as autoloaded main entry point to Hyperbole (but hsite.el) is the
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267 ;;; file that is autoloaded when this is invoked.
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268 ;;; It brings up a menu of commands.
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269 (defun hyperbole (&optional menu menu-list)
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270 "Invokes default Hyperbole menu user interface when not already active.
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271 Suitable for binding to a key, e.g. {C-h h}.
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272 Non-interactively, returns t if menu is actually invoked by call, else nil.
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273
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274 Two optional arguments may be given to invoke alternative menus.
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275 MENU (a symbol) specifies the menu to invoke from MENU-LIST, (a
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276 Hyperbole menu list structure). MENU defaults to 'hyperbole and MENU-LIST
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277 to `hui:menus'. See `hui:menus' definition for the format of the menu list
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278 structure."
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279
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280 (interactive)
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281 (if (and hui:menu-p (> (minibuffer-depth) 0))
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282 (progn (beep) nil)
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283 (unwind-protect
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284 (progn
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285 (require 'hsite) ;; Since "hui-mini" may be loaded without loading
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286 ;; all of Hyperbole.
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287 (hyperb:init-menubar)
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288 (setq hui:menu-p t)
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289 (hui:menu-act (or menu 'hyperbole) menu-list)
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290 t)
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291 (setq hui:menu-p nil))))
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292
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293 (defun hui:menu-act (menu &optional menu-list)
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294 "Prompts user with Hyperbole MENU (a symbol) and performs selected item.
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295 Optional second argument MENU-LIST is a Hyperbole menu list structure from
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296 which to extract MENU. It defaults to `hui:menus'. See its definition for
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297 the menu list structure."
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298 (let ((set-menu '(or (and menu (symbolp menu)
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299 (setq menu-alist
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300 (cdr (assq menu (or menu-list hui:menus)))))
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301 (hypb:error "(menu-act): Invalid menu symbol arg: %s"
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302 menu)))
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303 (show-menu t)
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304 (rtn)
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305 menu-alist act-form)
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306 (while (and show-menu (eval set-menu))
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307 (cond ((and (consp (setq act-form (hui:menu-select menu-alist)))
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308 (cdr act-form)
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309 (symbolp (cdr act-form)))
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310 ;; Display another menu
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311 (setq menu (cdr act-form)))
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312 (act-form
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313 (let ((prefix-arg current-prefix-arg))
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314 (cond ((symbolp act-form)
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315 (if (eq act-form t)
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316 nil
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317 (setq show-menu nil
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318 rtn (call-interactively act-form))))
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319 ((stringp act-form)
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320 (hui:menu-help act-form)
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321 ;; Loop and show menu again.
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322 )
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323 (t (setq show-menu nil
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324 rtn (eval act-form))))))
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325 (t (setq show-menu nil))))
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326 rtn))
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327
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328 (defun hui:menu-enter (&optional char-str)
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329 "Uses CHAR-STR or last input character as minibuffer argument."
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330 (interactive)
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331 (let ((input (or char-str (aref (recent-keys) (1- (length (recent-keys)))))))
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332 (cond (hyperb:emacs19-p
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333 (and (not (integerp input))
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334 (eventp input)
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335 (setq input (event-basic-type input))))
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336 (hyperb:lemacs-p
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337 (if (eventp input)
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338 (setq input (event-to-character input)))))
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339 (if (or (symbolp input)
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340 (and (integerp input)
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341 (= input ?\r)))
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342 (setq input (hargs:at-p)))
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343 (erase-buffer)
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344 (or (symbolp input) (insert input)))
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345 (exit-minibuffer))
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346
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347 (defun hui:menu-help (help-str)
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348 "Displays HELP-STR in a small window. HELP-STR must be a string."
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349 (let* ((window-min-height 2)
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350 (owind (selected-window))
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351 (buf-name (hypb:help-buf-name "Menu")))
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352 (unwind-protect
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353 (progn
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354 (save-window-excursion
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355 (hkey-help-show buf-name)) ;; Needed to save wconfig.
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356 (if (eq (selected-window) (minibuffer-window))
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357 (other-window 1))
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358 (if (= (length (hypb:window-list 'no-mini)) 1)
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359 (split-window-vertically nil))
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360 (select-window (hui:bottom-window))
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361 (switch-to-buffer (get-buffer-create buf-name))
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362 (setq buffer-read-only nil)
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363 (erase-buffer)
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364 (insert "\n" help-str)
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365 (set-buffer-modified-p nil)
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366 (shrink-window
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367 (- (window-height)
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368 (+ 3 (length
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369 (delq nil
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370 (mapcar (function
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371 (lambda (chr) (= chr ?\n)))
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372 help-str)))))))
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373 (select-window owind))))
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374
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375 (defun hui:menu-xemacs (&optional menu menu-list)
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376 "Returns an XEmacs menu built from Hyperbole type menus.
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377 Optional MENU (a symbol) specifies a specific submenu of optional MENU-LIST.
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378 a Hyperbole menu list structure. Otherwise, all menus are used.
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379 MENU defaults to 'hyperbole and MENU-LIST to `hui:menus'. See `hui:menus'
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380 definition for the format of the menu list structure."
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381 (mapcar
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382 (function
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383 (lambda (entry)
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384 (or (consp entry)
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385 (error "(hui:menu-xemacs): Invalid menu entry: %s" entry))
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386 (let ((label (car entry))
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387 (content (car (cdr entry))))
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388 (cond ((null content) (hypb:replace-match-string ">$" label "" t))
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389 ((and (consp content) (eq (car content) 'menu))
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390 (hui:menu-xemacs (cdr content)))
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391 (t (vector label content 't))))))
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392 (cdr (assq (or menu 'hyperbole) (or menu-list hui:menus)))))
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393
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394 (defun hui:menu-select (menu-alist)
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395 "Prompts user to choose the first character of any item from MENU-ALIST.
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396 Case is not significant. If chosen by direct selection with the Assist Key,
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397 returns any help string for item, else returns the action form for the item."
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398 (let* ((menu-line (hui:menu-line menu-alist))
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399 (set:equal-op 'eq)
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400 (select-char (string-to-char hui:menu-select))
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401 (quit-char (string-to-char hui:menu-quit))
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402 (abort-char (string-to-char hui:menu-abort))
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403 (top-char (string-to-char hui:menu-top))
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404 (item-keys (mapcar (function
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405 (lambda (item) (aref item 0)))
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406 (mapcar 'car (cdr menu-alist))))
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407 (keys (apply 'list select-char quit-char abort-char
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408 top-char item-keys))
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409 (key 0)
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410 (hargs:reading-p 'hmenu)
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411 sublist)
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412 (while (not (memq (setq key (upcase
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413 (string-to-char
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414 (read-from-minibuffer
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415 "" menu-line hui:menu-mode-map))))
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416 keys))
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417 (beep)
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418 (setq hargs:reading-p 'hmenu)
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419 (discard-input))
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420 (cond ((eq key quit-char) nil)
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421 ((eq key abort-char) (beep) nil)
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422 ((eq key top-char) '(menu . hyperbole))
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423 ((and (eq key select-char)
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424 (save-excursion
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425 (if (search-backward " " nil t)
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426 (progn (skip-chars-forward " ")
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427 (setq key (following-char))
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428 nil) ;; Drop through.
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429 t))))
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430 (t (if (setq sublist (memq key item-keys))
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431 (let* ((label-act-help-list
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432 (nth (- (1+ (length item-keys)) (length sublist))
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433 menu-alist))
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434 (act-form (car (cdr label-act-help-list))))
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435 (if (eq hargs:reading-p 'hmenu-help)
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436 (let ((help-str
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437 (or (car (cdr (cdr label-act-help-list)))
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438 "No help documentation for this item.")))
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439 (concat (car label-act-help-list) "\n "
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440 help-str "\n Action: "
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441 (prin1-to-string act-form)))
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442 act-form)))))))
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443
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444 ;;; ************************************************************************
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445 ;;; Private functions
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446 ;;; ************************************************************************
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447
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448 (if (fboundp 'window-lowest-p)
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449 (defun hui:bottom-window ()
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450 "Return a window that is at the bottom of the selected frame."
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451 (let ((winds (hypb:window-list 'no-mini))
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452 (window))
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453 (while (and (not window) winds)
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454 (if (window-lowest-p (car winds))
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455 (setq window (car winds))
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456 (setq winds (cdr winds))))
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457 window))
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458 (defun hui:bottom-window ()
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459 "Return a window that is at the bottom of the selected frame."
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460 (let* ((winds (hypb:window-list 'no-mini))
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461 (bot-list (mapcar
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462 (function
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463 (lambda (wind)
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464 (nth 3 (window-edges wind))))
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465 winds))
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466 (bot (apply 'max bot-list)))
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467 (nth (- (length winds) (length (memq bot bot-list))) winds))))
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468
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469 (defun hui:menu-line (menu-alist)
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470 "Returns a menu line string built from MENU-ALIST."
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471 (let ((menu-prompt (concat (car (car menu-alist)) " "))
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472 (menu-items (mapconcat 'car (cdr menu-alist) " "))
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473 menu-line)
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474 (setq menu-line (concat menu-prompt menu-items))
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475 ;; Narrow menu by changing 2 spaces to 1 if too wide for current frame.
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476 (if (>= (length menu-line) (1- (frame-width)))
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477 (concat menu-prompt (mapconcat 'car (cdr menu-alist) " "))
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478 menu-line)))
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479
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480 ;;; ************************************************************************
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481 ;;; Private variables
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482 ;;; ************************************************************************
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483
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484 ;; Hyperbole menu mode is suitable only for specially formatted data.
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485 (put 'hui:menu-mode 'mode-class 'special)
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486
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487 (defvar hui:menu-mode-map nil
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488 "Keymap containing hui:menu commands.")
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489 (if hui:menu-mode-map
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490 nil
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491 (setq hui:menu-mode-map (make-keymap))
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492 (suppress-keymap hui:menu-mode-map)
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493 (define-key hui:menu-mode-map hui:menu-quit 'hui:menu-enter)
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494 (define-key hui:menu-mode-map hui:menu-abort 'hui:menu-enter)
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495 (define-key hui:menu-mode-map hui:menu-top 'hui:menu-enter)
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496 (define-key hui:menu-mode-map hui:menu-select 'hui:menu-enter)
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497 ;;
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498 ;; This next binding is necessary since the default button1 binding under
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499 ;; XEmacs, mouse-track, is broken under XEmacs V19.8.
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500 (and hyperb:lemacs-p window-system
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501 (define-key hui:menu-mode-map 'button1 'mouse-set-point))
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502 (let ((i 32))
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503 (while (<= i 126)
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504 (define-key hui:menu-mode-map (char-to-string i) 'hui:menu-enter)
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505 (setq i (1+ i)))))
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506
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507 (provide 'hui-mini)
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