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1 ;;; w3-cus.el --- Customization support for Emacs-W3
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2 ;; Author: wmperry
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116
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3 ;; Created: 1997/03/24 06:35:57
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4 ;; Version: 1.7
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5 ;; Keywords: comm, help, hypermedia
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6
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7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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8 ;;; Copyright (c) 1993 - 1996 by William M. Perry (wmperry@cs.indiana.edu)
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9 ;;; Copyright (c) 1996, 1997 Free Software Foundation, Inc.
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10 ;;;
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11 ;;; This file is part of GNU Emacs.
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12 ;;;
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13 ;;; GNU Emacs is free software; you can redistribute it and/or modify
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14 ;;; it under the terms of the GNU General Public License as published by
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15 ;;; the Free Software Foundation; either version 2, or (at your option)
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16 ;;; any later version.
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17 ;;;
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18 ;;; GNU Emacs is distributed in the hope that it will be useful,
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19 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 ;;; GNU General Public License for more details.
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22 ;;;
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23 ;;; You should have received a copy of the GNU General Public License
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24 ;;; along with GNU Emacs; see the file COPYING. If not, write to the
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25 ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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26 ;;; Boston, MA 02111-1307, USA.
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27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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28 (eval-and-compile
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29 (condition-case ()
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30 (require 'custom)
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31 (error nil))
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32 (if (and (featurep 'custom) (fboundp 'custom-declare-variable))
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33 nil ;; We've got what we needed
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34 ;; We have the old custom-library, hack around it!
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114
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35 (defmacro defgroup (&rest args)
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36 nil)
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32
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37 (defmacro defcustom (var value doc &rest args)
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38 (` (defvar (, var) (, value) (, doc))))))
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39
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114
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40 (defgroup w3 nil
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41 "Emacs-W3 - the web browser of choice."
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42 :group 'hypermedia)
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43
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44 (defgroup w3-files nil
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45 "Emacs-W3 configuration files."
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46 :group 'w3)
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47
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48 (defgroup w3-images nil
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49 "Controlling image handling."
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50 :group 'w3)
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51
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52 (defgroup w3-printing nil
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53 "Various options for hardcopy from web pages."
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54 :group 'w3)
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55
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56 (defgroup w3-menus nil
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57 "The look of menus in Emacs-W3"
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58 :group 'w3)
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59
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60 (defgroup w3-parsing nil
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61 "Options relating to HTML parsing"
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62 :group 'w3)
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63
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64 (defgroup w3-display nil
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65 "Variables relating to how web pages are displayed."
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66 :group 'w3)
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67
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68 (defgroup w3-hooks nil
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69 "Hooks relating to Emacs-W3."
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70 :group 'w3)
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71
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32
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72 ;;; File related variables
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73 (defcustom w3-configuration-directory "~/.w3/"
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74 "*Directory where Emacs-w3 can find its configuration files"
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75 :group 'w3-files
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76 :type 'directory)
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77
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78 (defcustom w3-default-configuration-file nil
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79 "*Where per-user customizations of w3 are kept."
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80 :group 'w3-files
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81 :type 'file)
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82
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83 (defcustom w3-default-homepage nil
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84 "*The url to open at startup. It can be any valid URL.
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85 This will default to the environment variable WWW_HOME if you do not
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86 set it in your .emacs file. If WWW_HOME is undefined, then it will
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87 default to the hypertext documentation for W3 at Indiana University."
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88 :group 'w3-files
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89 :type 'string)
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90
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91 (defcustom w3-default-stylesheet nil
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92 "*The filename of the users default stylesheet."
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93 :group 'w3-files
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94 :type 'file)
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95
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96 (defcustom w3-hotlist-file nil
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97 "*Hotlist filename.
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98 This should be the name of a file that is stored in either
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99 NCSA's Mosaic/X or Netscape/X format. It is used to keep a listing
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100 of commonly accessed URL's without having to go through 20 levels of
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101 menus to get to them."
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102 :group 'w3-files
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103 :type 'file)
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104
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116
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105 (defcustom w3-documentation-root "http://www.cs.indiana.edu/elisp/w3/"
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32
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106 "*Where the w3 documentation lives. This MUST end in a slash."
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107 :group 'w3-files
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108 :type 'string)
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109
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110 (defcustom w3-temporary-directory (or (getenv "TMPDIR") "/tmp")
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111 "*Where temporary files go."
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112 :group 'w3-files
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113 :type 'directory)
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114
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115 ;;; Display related variables
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116 (defcustom w3-display-frames nil
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114
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117 "*Fetch frames - can be:
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118 nil no frame display whatsoever
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119 'as-links display frame hyperlinks, but do not fetch them
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120 'ask display frame hyperlinks and ask whether to fetch them
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121 t display frame hyperlinks and fetch them."
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32
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122 :group 'w3-display
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114
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123 :type '(choice (const :tag "Do not display frames" :value nil)
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124 (const :tag "Show hyperlinks" :value as-links)
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125 (const :tag "Show hyperlinks, ask whether to retrieve them" :value ask)
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126 (const :tag "Automatically retrieve frames" :value t)))
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32
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127
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116
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128 (defcustom w3-bullets
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129 '((disc . ?*)
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130 (circle . ?o)
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131 (square . ?#)
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132 (none . ? )
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133 )
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134 "*An assoc list of unordered list types mapping to characters to use
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135 as the bullet character."
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32
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136 :group 'w3-display
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116
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137 :type 'list)
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32
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138
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139 (defcustom w3-echo-link '(title url text name)
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140 "*Whether to display the URL of a link when tabbing through links.
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141 Value is a list of one or more of the following symbols:
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142
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143 url == url of the target
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144 text == text of the link
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145 title == title attribute of the link
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146 name == name or id attribute of the link
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147
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148 If none of the information is available, nothing will be shown for the link
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149 in menus, etc."
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150 :group 'w3-display
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151 :type '(set (const :tag "URL" :value url)
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152 (const :tag "Link Text" :value text)
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153 (const :tag "Title of the link as defined in the HTML tag"
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154 :value title)
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155 (const :tag "Name of the link as defined in the HTML tag"
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156 :value name)))
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157
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116
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158 (defcustom w3-horizontal-rule-char nil
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32
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159 "*The character to use to create a horizontal rule.
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160 Must be the character's code, not a string. This character is
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116
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161 replicated across the screen to create a division.
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162 If nil W3 will use a terminal graphic character if possible."
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163 :group 'w3-display
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164 :type '(choice (const :tag "Best possible" :value nil)
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165 (character)))
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166
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167 ;;; these three variables control how w3-setup-terminal-chars works
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168 (defcustom w3-use-terminal-characters t
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169 "*Use terminal graphics characters for drawing tables and rules if available"
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170 :group 'w3-display
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171 :type 'boolean)
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172
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173 (defcustom w3-use-terminal-characters-on-tty nil
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174 "*Use terminal graphics characters for tables and rules even on a tty.
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175 This triggers display bugs on both FSF Emacs and XEmacs.
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176 (Though it's usually tolerable at least on FSF Emacs.)"
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32
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177 :group 'w3-display
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116
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178 :type 'boolean)
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179
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180 (defcustom w3-use-terminal-glyphs t
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181 "*Use glyphs if possible rather than properties for terminal graphics characters
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182
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183 Glyphs are probably more efficient but don't work with the most recent versions
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184 of XEmacs and there are some cute tricks we can play with text-properties that
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185 glyphs won't let us do. It may be possible someday to make XEmacs automagically
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186 translate the characters back to ascii characters when pasted into another
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187 buffer. (On the other hand, right now w3-excise-terminal-characters doesn't
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188 work at all if we're using text-properties)."
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189 :group 'w3-display
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190 :type '(choice (const :tag "Use Glyphs" :value t)
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191 (const :tag "Use Text Properties" :value nil)))
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192
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193 (defcustom w3-do-incremental-display nil
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194 "*Whether to do incremental display of pages or not."
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195 :group 'w3-display
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196 :type 'boolean)
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32
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197
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198 (defcustom w3-defined-link-types
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199 ;; This is the HTML3.0 list (downcased) plus "made".
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200 '("previous" "next" "up" "down" "home" "toc" "index" "glossary"
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201 "copyright" "bookmark" "help" "made")
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202 "A list of the (lower-case) names which have special significance
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203 as the values of REL or REV attributes of <link> elements. They will
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204 be presented on the toolbar or the links menu, for instance."
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205 :group 'w3-display
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206 :type '(repeat string))
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207
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208 ;;; Parsing related variables
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209 (defcustom w3-debug-html nil
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210 "*Whether to gripe about bad HTML or not."
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211 :group 'w3-parsing
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212 :type '(choice (const :tag "HTML Errors" :value t)
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213 (const :tag "Errors and stylistic issues" :value style)
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214 (const :tag "None" :value nil)))
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215
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216 (defcustom w3-debug-buffer "*HTML Debug*"
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217 "*Name of buffer to store debugging information in."
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218 :group 'w3-parsing
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219 :type 'string)
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220
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221 ;;; Image related variables
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222 (defcustom w3-auto-image-alt t
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223 "*Whether emacs-w3 should create an alt attribute for an image that
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224 is missing it.
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225 If nil, emacs-w3 will not automatically create an ALT attribute.
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226 If t, the alt attribute will be [IMAGE(nameofimage)]
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227 If a string, it should be a string suitable for running through format,
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228 with only one %s, which will be replaced with just the filename of the
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229 graphic that is not loaded."
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230 :group 'w3-images
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231 :type '(choice (const :tag "None" :value nil)
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232 (const :tag "Default" :value t)
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233 string))
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234
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235 (defcustom w3-icon-directory "http://cs.indiana.edu/elisp/w3/icons/"
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236 "*Where to find standard icons. Must end in a /!"
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237 :group 'w3-images
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238 :type 'string)
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239
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240 (defcustom w3-icon-format 'gif
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241 "*Image format the default icons are expected to be in.
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242 This is a symbol, string or nil, specifing what file extension to use.
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243 If nil, then no file extension is used."
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244 :group 'w3-images
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245 :type '(choice (const :tag "GIF Image" :value gif)
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246 (const :tag "XPM Image" :value xpm)
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247 (const :tag "XBM Image" :value xbm)
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248 (const :tag "Let the server decide" :value nil)
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249 (string :tag "Other")))
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250
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251 (defcustom w3-delay-image-loads nil
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252 "*Whether to delay image loading, or automatically retrieve them."
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253 :group 'w3-images
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254 :type 'boolean)
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255
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256 (defcustom w3-image-mappings
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257 '(
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258 ("image/x-xbitmap" . xbm)
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259 ("image/xbitmap" . xbm)
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260 ("image/xbm" . xbm)
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261 ("image/jpeg" . jpeg)
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262 ("image/gif" . gif)
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263 ("image/png" . png)
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264 ("image/x-fax" . g3fax)
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265 ("image/x-raster" . rast)
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266 ("image/windowdump" . xwd)
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267 ("image/x-icon" . icon)
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268 ("image/portable-graymap" . pgm)
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269 ("image/portable-pixmap" . ppm)
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270 ("image/x-pixmap" . xpm)
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271 ("image/x-xpixmap" . xpm)
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272 ("image/pict" . pict)
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273 ("image/x-rgb" . sgi)
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274 ("image/x-sgi" . sgi)
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275 ("image/x-macpaint" . macpt)
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276 ("image/x-targa" . tga)
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277 ("image/tiff" . tiff)
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278 )
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279 "*How to map MIME types to image types for the `image' package.
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280 Each entry is a cons cell of MIME types and image-type symbols."
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281 :group 'w3-images
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282 :type '(repeat cons))
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283
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284 ;;; Printing variables
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285 (defcustom w3-latex-docstyle "{article}"
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286 "*The documentstyle to use when printing or mailing files as LaTeX.
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287 Good defaults are: {article}, [psfig,twocolumn]{article}, etc."
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288 :group 'w3-printing
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289 :type 'string)
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290
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291 (defcustom w3-latex-print-links nil
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292 "*If non-nil, prints the URLs of hypertext links as endnotes at the end of
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293 the document. If `footnote', prints the URL's as footnotes on a page."
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294 :group 'w3-printing
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295 :type '(choice (const :tag "As endnotes" :value t)
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296 (const :tag "As footnotes" :value footnote)
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297 (const :tag "Do not print" :value nil)))
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298
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299 (defcustom w3-latex-use-latex2e nil
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300 "*If non-nil, configures LaTeX parser to use LaTeX2e syntax. A `nil'
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301 value indicates that LaTeX 2.0.9 compatibility will be used instead."
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302 :group 'w3-printing
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303 :type 'boolean)
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304
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305 (defcustom w3-latex-packages nil
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306 "*List of LaTeX packages to include when converting HTML to LaTeX.
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307 Currently this is only used if `w3-latex-use-latex2e' is non-nil."
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308 :group 'w3-printing
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309 :type '(repeat string))
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310
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311 (defcustom w3-latex-use-maketitle nil
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312 "*Non-nil makes the LaTeX parser use real LaTeX title pages."
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313 :group 'w3-printing
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314 :type 'boolean)
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315
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316 ;;; Menus
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317 (defcustom w3-max-menu-length 35
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318 "*The maximum length of a pulldown menu before it will be split into
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319 smaller chunks, with the first part as a submenu, followed by the rest
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320 of the menu."
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321 :group 'w3-menus
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322 :type 'integer)
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323
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324 (defcustom w3-max-menu-width 40
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325 "*The maximum width of a pulldown menu choice."
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326 :group 'w3-menus
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327 :type 'integer)
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328
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329 ;;; Advanced stuff
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330 (defcustom w3-modeline-format
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331 '(" " ("W3"
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332 (w3-netscape-emulation-minor-mode
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333 " (NS)")
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334 (w3-lynx-emulation-minor-mode
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335 " (Lynx)")
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336 ": "
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337 (40 (-40 "%b"))
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338 " "
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339 (w3-current-isindex "[Searchable] ")
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340 "%p" " " global-mode-string))
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341 "*The modeline format string when in w3 mode"
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342 :group 'w3-advanced
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343 :type 'list)
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344
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345 (defcustom w3-netscape-compatible-comments t
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346 "*Whether to honor netscape-style <! > comments.
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347 Ye gods I wish I could turn this off by default."
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348 :group 'w3-parsing
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349 :type 'boolean)
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350
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351 (defcustom w3-notify 'semibully
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352 "*Selects the behavior when w3 page is ready.
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353 This variable may have one of the following values:
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354
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355 newframe -- put the w3 page in its own frame
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356 bully -- make the w3 page the current buffer and only window
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357 semibully -- make the w3 page the current buffer in the same window
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358 aggressive -- make the w3 page the current buffer in the other window
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359 friendly -- display w3page in other window but don't make current
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360 polite -- don't display w3 page, but prints message when ready (beeps)
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361 quiet -- like `polite', but don't beep
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362 meek -- make no indication that page is ready
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363
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364 Any other value of `w3-notify' is equivalent to `meek'."
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365 :group 'w3-display
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366 :type '(choice (const :tag "Display in a new frame"
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367 :value newframe)
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368 (const :tag "Display in the current window, select buffer, and kill other windows"
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369 :value bully)
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370 (const :tag "Display in the current window, select buffer"
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371 :value semibully)
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372 (const :tag "Display in another window, select buffer"
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373 :value aggressive)
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374 (const :tag "Display in another window, but do not select it"
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375 :value friendly)
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376 (const :tag "Do not display page, but show a message and beep"
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377 :value polite)
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378 (const :tag "Do not display page, but show a message (no beep)"
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379 :value quiet)
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380 (const :tag "Do not indicate that the page has been retrieved"
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381 :value meek)))
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382
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383 (defcustom w3-popup-menu-on-mouse-3 t
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384 "*Non-nil value means W3 should provide context-sensitive menus on mouse-3.
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385 A nil value means W3 should not change the binding of mouse-3."
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386 :group 'w3-display
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387 :type 'boolean)
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388
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389 (defcustom w3-print-command "lpr -h -d"
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390 "*Print command for dvi files.
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391 This is usually 'lpr -h -d' to send it to a postscript printer, but you can set
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392 it up so that it is any command that takes a dvi file as its last argument."
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393 :group 'w3-printing
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394 :type 'string)
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395
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396 (defcustom w3-reuse-buffers 'yes
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397 "What to do when following a link will re-fetch a document that has
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398 already been fetched into a W3 buffer. Possible values are: nil,
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399 'yes, and 'no. Nil means ask the user if we should reuse the buffer.
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400 A value of 'yes means assume the user wants us to reuse the buffer.
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401 A value of 'no means assume the user wants us to re-fetch the document.
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402
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403 This will also accept:
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404 'no ==> always reload
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405 'yes ==> always reuse
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406 'ask ==> always ask"
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407 :group 'w3-display
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408 :type '(choice (const :tag "Always reload" :value no)
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409 (const :tag "Always reuse" :value yes)
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410 (const :tag "Always ask" :value ask)))
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411
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412 (defcustom w3-right-margin 2
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413 "*Default right margin for Emacs-W3 buffers.
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414 This amount is subtracted from (window-width) for each new WWW buffer
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415 and used as the new fill-column."
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416 :group 'w3-display
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417 :type 'integer)
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418
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419 (defcustom w3-maximum-line-length nil
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420 "*Maximum length of a line.
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421 If nil, then lines can extend all the way to the window margin."
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422 :group 'w3-display
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423 :type 'integer)
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424
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425 (defcustom w3-track-mouse t
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426 "*Whether to track the mouse and message the url under the mouse."
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427 :group 'w3-display
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428 :type 'boolean)
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429
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430 (defcustom w3-honor-stylesheets t
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431 "*Whether to let a document specify a CSS stylesheet."
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432 :group 'w3-display
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433 :type 'boolean)
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434
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435 (defcustom w3-user-colors-take-precedence nil
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436 "*Whether to let a document define certain colors about itself.
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437 Like foreground and background colors and pixmaps, color of links and
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438 visited links, etc."
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439 :group 'w3-display
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440 :type 'boolean)
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441
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442 ;;; Hook Variables
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443 (defcustom w3-load-hook nil
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444 "*Hooks to be run after loading w3."
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445 :group 'w3-hooks
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446 :type 'hook)
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447
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448 (defcustom w3-mode-hook nil
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449 "*Hooks to be run after entering w3-mode."
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450 :group 'w3-hooks
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451 :type 'hook)
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452
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453 (defcustom w3-source-file-hook nil
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454 "*Hooks to be run after getting document source."
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455 :group 'w3-hooks
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456 :type 'hook)
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457
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458 (provide 'w3-cus)
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