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1 ;;!emacs
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2 ;;
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3 ;; FILE: hui-ep-but.el
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4 ;; SUMMARY: Support for highlighting/flashing buttons under Epoch.
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5 ;; USAGE: Epoch V4 Lisp Library
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6 ;; KEYWORDS: faces, 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: 27-Apr-91 at 05:37:10
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12 ;; LAST-MOD: 14-Apr-95 at 16:10:47 by Bob Weiner
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13 ;;
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14 ;; This file is part of Hyperbole.
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15 ;; It is for use with Epoch, a modified version of GNU Emacs.
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16 ;; Available for use and distribution under the same terms as GNU Emacs.
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17 ;;
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18 ;; Copyright (C) 1990-1995, Free Software Foundation, Inc.
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19 ;; Developed with support from Motorola Inc.
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20 ;;
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21 ;; DESCRIPTION:
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22 ;;
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23 ;; This is truly prototype code.
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24 ;;
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25 ;; Can't use epoch read-only buttons here because then outline-mode
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26 ;; becomes unusable; when it tries to do a 'subst-char-in-region'
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27 ;; epoch triggers a read-only error.
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28 ;;
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29 ;; DESCRIP-END.
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30
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31 (if (and (boundp 'epoch::version) (stringp epoch::version)
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32 (or noninteractive (string-lessp epoch::version "Epoch 4")))
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33 nil
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34 (error "(hui-ep-but.el): Load only under Epoch version 3 or lower."))
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35
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36 ;;; ************************************************************************
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37 ;;; Other required Elisp libraries
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38 ;;; ************************************************************************
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39
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40 (require 'hbut)
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41
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42 ;;; ************************************************************************
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43 ;;; Public variables
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44 ;;; ************************************************************************
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45
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46 ;;; ************************************************************************
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47 ;;; Public functions
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48 ;;; ************************************************************************
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49
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50 (fset 'hproperty:but-add 'epoch::add-button)
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51
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52 (defun hproperty:but-color ()
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53 "Return current color of buffer's buttons."
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54 (if hproperty:color-ptr
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55 (car hproperty:color-ptr)
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56 (epoch::foreground)))
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57
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58 (defun hproperty:but-create-all (&optional start-delim end-delim regexp-match)
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59 "Mark all hyper-buttons in buffer as Epoch buttons, for later highlighting.
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60 Will use optional strings START-DELIM and END-DELIM instead of default values.
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61 If END-DELIM is a symbol, e.g. t, then START-DELIM is taken as a regular
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62 expression which matches an entire button string.
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63 If REGEXP-MATCH is non-nil, only buttons matching this argument are
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64 highlighted."
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65 (ebut:map (function (lambda (lbl start end)
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66 (hproperty:but-add start end hproperty:but)))
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67 start-delim end-delim regexp-match 'include-delims))
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68
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69 (defun hproperty:but-delete (&optional pos)
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70 (epoch::delete-button-at (or pos (point))))
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71
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72 ;;; ************************************************************************
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73 ;;; Private functions
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74 ;;; ************************************************************************
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75
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76 (defmacro hproperty:list-cycle (list-ptr list)
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77 "Move LIST-PTR to next element in LIST or when at end to first element."
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78 (` (or (and (, list-ptr)
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79 (setq (, list-ptr) (cdr (, list-ptr))))
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80 (setq (, list-ptr) (, list)))))
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81
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82 ;;; ************************************************************************
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83 ;;; Private variables
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84 ;;; ************************************************************************
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85
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86 (defconst hproperty:color-list '( "red" "blue" "paleturquoise4" "mediumpurple2"
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87 "lightskyblue3" "springgreen2" "salmon" "yellowgreen" "darkorchid2"
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88 "aquamarine4" "slateblue4" "slateblue1" "olivedrab1" "goldenrod4"
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89 "goldenrod3" "cadetblue2" "burlywood1" "slategrey" "mistyrose"
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90 "limegreen" "lightcyan" "goldenrod" "gainsboro" "skyblue1" "honeydew"
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91 "yellow2" "tomato3" "skyblue" "purple4" "orange3" "bisque3" "bisque2"
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92 "grey34" "gray99" "gray63" "gray44" "gray37" "gray33" "gray26" "azure1"
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93 "snow4" "peru" "red" "lightgoldenrod4" "mediumseagreen" "blush"
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94 "mediumorchid2" "lightskyblue1" "darkslateblue" "midnightblue"
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95 "lightsalmon1" "lemonchiffon" "yellow" "lightsalmon" "coral"
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96 "dodgerblue3" "darkorange4" "blue" "royalblue4" "red" "green" "cyan"
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97 "darkviolet" "darksalmon" "darkorange" "blue" "pink" "magenta2"
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98 "sienna4" "khaki2" "grey75" "grey74" "grey73" "grey69" "grey68" "grey35"
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99 "grey13" "gray90" "gray81" "gray55" "gray51" "gray31" "snow2" "pink3"
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100 "grey7" "gray1" "red4" "red3" "tan" "red" "yellow" "mediumvioletred"
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101 "lightslategrey" "lavenderblush4" "turquoise" "darkturquoise"
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102 "darkslategrey" "lightskyblue" "lightsalmon4" "lightsalmon3"
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103 "forestgreen" "dodgerblue4" "orchid" "rosybrown4" "brown" "peachpuff3"
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104 "palegreen3" "orangered2" "rose" "lightcyan4" "indianred4" "indianred3"
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105 "seagreen2" "indianred" "deeppink1" "navyblue" "lavender" "grey"
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106 "deeppink" "salmon4" "salmon3" "oldlace" "grey78" "grey77" "grey54"
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107 "grey45" "grey21" "gray97" "gray96" "gray95" "gray88" "gray87" "gray86"
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108 "gray70" "gray57" "gray38" "gray12" "gray11" "plum3" "linen" "gray9"
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109 "gray8" "blue4" "beige" "turquoise" "blue" "lemonchiffon4"
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110 "darkseagreen1" "antiquewhite3" "mediumorchid" "springgreen"
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111 "turquoise4" "steelblue3" "mistyrose2" "lightcyan2" "red" "firebrick2"
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112 "royalblue" "cadetblue" "skyblue3" "yellow3" "salmon1" "orange4"
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113 "hotpink" "grey90" "gray56" "gray39" "gray18" "gray14" "plum4" "grey6"
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114 "gray6" "gold3" "gold1" "blue2" "tan2" "cyan" "mediumspringgreen"
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115 "darkolivegreen2" "goldenrod" "lightsteelblue" "brown" "whip"
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116 "chartreuse3" "violetred4" "royalblue2" "royalblue1" "papayawhip"
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117 "mistyrose3" "lightcyan1" "aquamarine" "skyblue4" "hotpink4" "hotpink3"
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118 "hotpink2" "dimgray" "tomato" "grey66" "grey65" "grey64" "grey33"
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119 "grey27" "gray76" "gray69" "gray68" "grey0" "azure" "green"
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120 "darkgoldenrod4" "darkgoldenrod3" "darkgoldenrod2" "darkgoldenrod"
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121 "brown" "lightsalmon2" "deepskyblue4" "deepskyblue3" "deepskyblue2"
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122 "deepskyblue" "darkorange1" "violetred3" "violetred2" "violetred1"
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123 "slateblue3" "slateblue2" "drab" "indianred1" "firebrick1" "cadetblue4"
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124 "violetred" "rosybrown" "blue" "firebrick" "grey100" "wheat4" "grey79"
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125 "grey76" "grey61" "gray93" "gray84" "gray65" "gray36" "gray32" "gray13"
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126 "gray10" "azure3" "snow1" "tan1" "gray" "darkolivegreen1" "blue"
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127 "almond" "lavenderblush3" "lavenderblush2" "lavenderblush1"
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128 "darkolivegreen" "lavenderblush" "aquamarine2" "red" "olivedrab2"
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129 "mistyrose4" "mistyrose1" "lightcyan3" "lightcoral" "chartreuse"
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130 "peachpuff" "palegreen" "mintcream" "skyblue2" "moccasin" "tomato1"
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131 "orchid3" "maroon3" "salmon" "grey81" "grey62" "grey39" "grey38"
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132 "grey37" "gray92" "gray83" "gray66" "gray54" "gray50" "gray30" "gray19"
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133 "gray15" "azure4" "grey3" "tan3" "pink" "gray" "blue" "lightsteelblue2"
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134 "lightsteelblue1" "green" "lightslategray" "lemonchiffon2"
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135 "springgreen1" "greenyellow" "chartreuse2" "grey" "royalblue3"
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136 "powderblue" "peachpuff2" "palegreen2" "cream" "slateblue" "seashell2"
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137 "deeppink2" "darkkhaki" "maroon4" "sienna" "grey71" "grey67" "grey18"
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138 "gray59" "gray43" "gray25" "bisque" "red1" "mediumslateblue"
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139 "lightgoldenrod1" "goldenrod" "paleturquoise3" "lightskyblue4" "green"
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140 "yellow" "smoke" "blue" "white" "steelblue4" "rosybrown3" "peachpuff1"
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141 "palegreen1" "blueviolet" "seashell4" "sienna3" "grey40" "gray91"
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142 "gray82" "gray5" "cyan2" "cyan1" "blue1" "snow" "lightgoldenrod2"
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143 "lightslateblue" "mediumorchid3" "darkseagreen4" "springgreen3" "green"
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144 "slategray4" "slategray3" "slategray2" "blue" "peachpuff4" "palegreen4"
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145 "green" "orangered3" "goldenrod1" "ghostwhite" "firebrick4" "firebrick3"
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146 "cadetblue3" "slategray" "seashell3" "honeydew3" "cornsilk4" "cornsilk2"
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147 "purple1" "dimgrey" "khaki1" "ivory3" "grey70" "grey60" "grey32"
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148 "grey22" "grey12" "gray98" "gray89" "gray71" "gray64" "gray60" "gray49"
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149 "azure2" "gray3" "paleturquoise1" "mediumpurple1" "purple"
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150 "lemonchiffon1" "blue" "navajowhite3" "darkorchid1" "orange"
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151 "goldenrod2" "khaki" "chocolate2" "burlywood2" "honeydew1" "darkgreen"
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152 "thistle3" "thistle2" "thistle1" "thistle" "maroon2" "maroon1" "grey53"
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153 "grey44" "grey25" "gray74" "gray45" "gray41" "gray35" "gray27" "gray23"
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154 "gray16" "brown4" "wheat" "coral" "tan4" "lightgoldenrodyellow" "blue"
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155 "green" "gray" "palevioletred3" "mediumpurple4" "mediumpurple3"
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156 "saddlebrown" "blue" "darkorchid4" "darkorchid3" "puff" "olivedrab4"
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157 "lightblue4" "lightpink" "lightgray" "honeydew2" "cornsilk1" "lace"
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158 "sienna1" "bisque4" "orchid" "khaki3" "grey84" "grey83" "grey82"
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159 "grey72" "grey52" "grey43" "grey26" "grey14" "grey10" "gray75" "gray53"
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160 "gray21" "gray20" "brown3" "grey8" "red2" "navy" "grey" "gold"
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161 "mediumaquamarine" "lightgoldenrod" "darkslategray4" "darkseagreen3"
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162 "darkseagreen2" "antiquewhite4" "white" "springgreen4" "lightyellow4"
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163 "white" "aquamarine1" "turquoise3" "steelblue2" "rosybrown2" "pink"
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164 "gray" "indianred2" "dodgerblue" "green" "seagreen1" "deeppink4"
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165 "aliceblue" "magenta1" "pink" "sienna2" "orchid1" "gray100" "grey97"
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166 "grey94" "grey87" "grey86" "grey51" "grey42" "grey19" "gray94" "gray85"
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167 "gray61" "brown2" "khaki" "grey1" "gold4" "blue" "green" "grey"
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168 "turquoise" "paleturquoise" "mediumorchid4" "antiquewhite2"
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169 "lightyellow2" "violet" "salmon" "chartreuse1" "turquoise1" "sandybrown"
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170 "orangered1" "lightpink1" "lightblue2" "lightblue1" "grey" "seagreen4"
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171 "seagreen3" "lightblue" "deeppink3" "burlywood" "seashell" "hotpink1"
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172 "gray" "yellow4" "yellow" "purple" "orange" "ivory4" "grey99" "grey89"
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173 "grey63" "grey58" "grey49" "grey31" "grey24" "grey20" "green4" "green1"
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174 "gray73" "gray67" "coral3" "coral2" "plum2" "pink4" "ivory" "gray4"
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175 "gray2" "gold2" "aquamarine" "grey" "lightgoldenrod3" "darkolivegreen3"
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176 "darkgoldenrod1" "goldenrod" "orchid" "chiffon" "navajowhite4"
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177 "deepskyblue1" "lightyellow" "floralwhite" "blue" "mediumblue"
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178 "chocolate4" "chocolate3" "burlywood4" "turquoise" "steelblue" "green"
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179 "lawngreen" "honeydew4" "seagreen" "orchid4" "wheat1" "violet" "ivory1"
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180 "grey88" "grey85" "grey57" "grey56" "grey55" "grey48" "grey47" "grey46"
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181 "grey30" "grey17" "gray47" "gray29" "pink2" "grey5" "grey4" "green"
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182 "gray0" "brown" "lightsteelblue4" "darkolivegreen4" "palevioletred4"
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183 "blue" "darkslategray3" "darkslategray2" "darkslategray1"
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184 "blanchedalmond" "palegoldenrod" "blue" "lightseagreen" "lemonchiffon3"
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185 "darkslategray" "green" "darkseagreen" "antiquewhite" "darkorange2"
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186 "chartreuse4" "blue" "rosybrown1" "olivedrab3" "lightpink2" "orangered"
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187 "thistle4" "blue" "cornsilk" "salmon2" "orchid2" "ivory2" "grey93"
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188 "grey92" "grey91" "grey36" "grey29" "grey28" "grey16" "gray79" "gray78"
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189 "gray77" "gray48" "gray17" "coral4" "coral1" "plum1" "pink1" "grey9"
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190 "grey2" "gray7" "cyan4" "blue3" "plum" "cornflowerblue" "lightskyblue2"
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191 "antiquewhite1" "navajowhite2" "navajowhite1" "lightyellow3"
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192 "navajowhite" "darkorange3" "whitesmoke" "turquoise2" "steelblue1"
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193 "lightpink4" "lightblue3" "green" "chocolate1" "blue" "olivedrab"
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194 "lightgrey" "chocolate" "magenta4" "magenta3" "yellow1" "purple3"
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195 "purple2" "orange2" "orange1" "magenta" "bisque1" "wheat2" "maroon"
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196 "khaki4" "grey96" "grey95" "grey80" "grey50" "grey41" "grey15" "grey11"
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197 "gray80" "gray58" "gray40" "gray34" "gray22" "brown1" "snow3"
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198 "mediumturquoise" "lightsteelblue3" "palevioletred2" "palevioletred1"
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199 "paleturquoise2" "green" "palevioletred" "mediumorchid1" "white"
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200 "mediumpurple" "lightyellow1" "dodgerblue2" "dodgerblue1" "violet"
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201 "aquamarine3" "slategray1" "gray" "orangered4" "lightpink3" "blue"
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202 "darkorchid" "cadetblue1" "burlywood3" "seashell1" "cornsilk3" "tomato4"
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203 "tomato2" "wheat3" "grey98" "grey59" "grey23" "green3" "green2" "gray72"
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204 "gray62" "gray52" "gray46" "gray42" "gray28" "gray24" "white" "cyan3"
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205 "black" ))
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206
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207 (defvar hproperty:color-ptr nil
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208 "Pointer to current color name table to use for Hyperbole buttons in Epoch.")
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209
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210 (defconst hproperty:good-colors
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211 '(
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212 "medium violet red" "indianred4" "firebrick1" "DarkGoldenrod" "NavyBlue"
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213 "darkorchid" "tomato3" "mediumseagreen" "deeppink" "forestgreen"
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214 "mistyrose4" "slategrey" "purple4" "dodgerblue3" "mediumvioletred"
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215 "lightsalmon3" "orangered2" "turquoise4" "Gray55"
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216 )
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217 "Good colors for contrast against wheat background and black foreground.")
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218
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219 (provide 'hui-ep-but)
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220
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