annotate lisp/objects.el @ 814:a634e3b7acc8

[xemacs-hg @ 2002-04-14 12:41:59 by ben] latest changes TODO.ben-mule-21-5: Update. make-docfile.c: Add basic support for handling ISO 2022 doc strings -- we parse the basic charset designation sequences so we know whether we're in ASCII and have to pay attention to end quotes and such. Reformat code according to coding standards. abbrev.el: Add `global-abbrev-mode', which turns on or off abbrev-mode in all buffers. Added `defining-abbrev-turns-on-abbrev-mode' -- if non-nil, defining an abbrev through an interactive function will automatically turn on abbrev-mode, either globally or locally depending on the command. This is the "what you'd expect" behavior. indent.el: general function for indenting a balanced expression in a mode-correct way. Works similar to indent-region in that a mode can specify a specific command to do the whole operation; if not, figure out the region using forward-sexp and indent each line using indent-according-to-mode. keydefs.el: Removed. Modify M-C-backslash to do indent-region-or-balanced-expression. Make S-Tab just insert a TAB char, like it's meant to do. make-docfile.el: Now that we're using the call-process-in-lisp, we need to load an extra file win32-native.el because we're running a bare temacs. menubar-items.el: Totally redo the Cmds menu so that most used commands appear directly on the menu and less used commands appear in submenus. The old way may have been very pretty, but rather impractical. process.el: Under Windows, don't ever use old-call-process-internal, even in batch mode. We can do processes in batch mode. subr.el: Someone recoded truncate-string-to-width, saying "the FSF version is too complicated and does lots of hard-to-understand stuff" but the resulting recoded version was *totally* wrong! it misunderstood the basic point of this function, which is work in *columns* not chars. i dumped ours and copied the version from FSF 21.1. Also added truncate-string-with-continuation-dots, since this idiom is used often. config.inc.samp, xemacs.mak: Separate out debug and optimize flags. Remove all vestiges of USE_MINIMAL_TAGBITS, USE_INDEXED_LRECORD_IMPLEMENTATION, and GUNG_HO, since those ifdefs have long been removed. Make error-checking support actually work. Some rearrangement of config.inc.samp to make it more logical. Remove callproc.c and ntproc.c from xemacs.mak, no longer used. Make pdump the default. lisp.h: Add support for strong type-checking of Bytecount, Bytebpos, Charcount, Charbpos, and others, by making them classes, overloading the operators to provide integer-like operation and carefully controlling what operations are allowed. Not currently enabled in C++ builds because there are still a number of compile errors, and it won't really work till we merge in my "8-bit-Mule" workspace, in which I make use of the new types Charxpos, Bytexpos, Memxpos, representing a "position" either in a buffer or a string. (This is especially important in the extent code.) abbrev.c, alloc.c, eval.c, buffer.c, buffer.h, editfns.c, fns.c, text.h: Warning fixes, some of them related to new C++ strict type checking of Bytecount, Charbpos, etc. dired.c: Caught an actual error due to strong type checking -- char len being passed when should be byte len. alloc.c, backtrace.h, bytecode.c, bytecode.h, eval.c, sysdep.c: Further optimize Ffuncall: -- process arg list at compiled-function creation time, converting into an array for extra-quick access at funcall time. -- rewrite funcall_compiled_function to use it, and inline this function. -- change the order of check for magic stuff in SPECBIND_FAST_UNSAFE to be faster. -- move the check for need to garbage collect into the allocation code, so only a single flag needs to be checked in funcall. buffer.c, symbols.c: add debug funs to check on mule optimization info in buffers and strings. eval.c, emacs.c, text.c, regex.c, scrollbar-msw.c, search.c: Fix evil crashes due to eistrings not properly reinitialized under pdump. Redo a bit some of the init routines; convert some complex_vars_of() into simple vars_of(), because they didn't need complex processing. callproc.c, emacs.c, event-stream.c, nt.c, process.c, process.h, sysdep.c, sysdep.h, syssignal.h, syswindows.h, ntproc.c: Delete. Hallelujah, praise the Lord, there is no god but Allah!!! fix so that processes can be invoked in bare temacs -- thereby eliminating any need for callproc.c. (currently only eliminated under NT.) remove all crufty and unnecessary old process code in ntproc.c and elsewhere. move non-callproc-specific stuff (mostly environment) into process.c, so callproc.c can be left out under NT. console-tty.c, doc.c, file-coding.c, file-coding.h, lstream.c, lstream.h: fix doc string handling so it works with Japanese, etc docs. change handling of "character mode" so callers don't have to manually set it (quite error-prone). event-msw.c: spacing fixes. lread.c: eliminate unused crufty vintage-19 "FSF defun hack" code. lrecord.h: improve pdump description docs. buffer.c, ntheap.c, unexnt.c, win32.c, emacs.c: Mule-ize some unexec and startup code. It was pseudo-Mule-ized before by simply always calling the ...A versions of functions, but that won't cut it -- eventually we want to be able to run properly even if XEmacs has been installed in a Japanese directory. (The current problem is the timing of the loading of the Unicode tables; this will eventually be fixed.) Go through and fix various other places where the code was not Mule-clean. Provide a function mswindows_get_module_file_name() to get our own name without resort to PATH_MAX and such. Add a big comment in main() about the problem with Unicode table load timing that I just alluded to. emacs.c: When error-checking is enabled (interpreted as "user is developing XEmacs"), don't ask user to "pause to read messages" when a fatal error has occurred, because it will wedge if we are in an inner modal loop (typically when a menu is popped up) and make us unable to get a useful stack trace in the debugger. text.c: Correct update_entirely_ascii_p_flag to actually work. lisp.h, symsinit.h: declarations for above changes.
author ben
date Sun, 14 Apr 2002 12:43:31 +0000
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children e1bc252950d9
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1 ;;; objects.el --- Lisp interface to C window-system objects
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2
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3 ;; Copyright (C) 1994, 1997 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1995 Ben Wing
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5
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6 ;; Author: Chuck Thompson <cthomp@xemacs.org>
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7 ;; Author: Ben Wing <ben@xemacs.org>
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8 ;; Maintainer: XEmacs Development Team
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9 ;; Keywords: faces, internal, dumped
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10
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11 ;; This file is part of XEmacs.
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12
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13 ;; XEmacs is free software; you can redistribute it and/or modify it
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14 ;; 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 ;; XEmacs is distributed in the hope that it will be useful, but
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19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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21 ;; 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 XEmacs; see the file COPYING. If not, write to the
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25 ;; Free Software Foundation, 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 ;;; Synched up with: Not in FSF.
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29
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30 ;;; Commentary:
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31
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32 ;; This file is dumped with XEmacs.
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33
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34 ;;; Code:
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35
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36 (defun ws-object-property-1 (function object domain &optional matchspec)
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37 (let ((instance (if matchspec
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38 (specifier-matching-instance object matchspec domain)
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39 (specifier-instance object domain))))
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40 (and instance (funcall function instance))))
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41
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42 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; font specifiers
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44 (defun make-font-specifier (spec-list)
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45 "Return a new `font' specifier object with the given specification list.
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46 SPEC-LIST can be a list of specifications (each of which is a cons of a
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47 locale and a list of instantiators), a single instantiator, or a list
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48 of instantiators. See `make-specifier' for more information about
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49 specifiers.
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50
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51 Valid instantiators for font specifiers are:
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52
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53 -- a string naming a font (e.g. under X this might be
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54 \"-*-courier-medium-r-*-*-*-140-*-*-*-*-iso8859-*\" for a 14-point
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55 upright medium-weight Courier font)
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56 -- a font instance (use that instance directly if the device matches,
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57 or use the string that generated it)
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58 -- a vector of no elements (only on TTY's; this means to set no font
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59 at all, thus using the \"natural\" font of the terminal's text)
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60 -- a vector of one element (a face to inherit from)
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61 "
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62 (make-specifier-and-init 'font spec-list))
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63
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64 (defun font-name (font &optional domain charset)
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65 "Return the name of the FONT in the specified DOMAIN, if any.
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66 FONT should be a font specifier object and DOMAIN is normally a window
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67 and defaults to the selected window if omitted. This is equivalent
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68 to using `specifier-instance' and applying `font-instance-name' to
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69 the result. See `make-specifier' for more information about specifiers."
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70 (ws-object-property-1 'font-instance-name font domain charset))
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71
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72 (defun font-ascent (font &optional domain charset)
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73 "Return the ascent of the FONT in the specified DOMAIN, if any.
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74 FONT should be a font specifier object and DOMAIN is normally a window
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75 and defaults to the selected window if omitted. This is equivalent
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76 to using `specifier-instance' and applying `font-instance-ascent' to
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77 the result. See `make-specifier' for more information about specifiers."
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78 (ws-object-property-1 'font-instance-ascent font domain charset))
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79
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80 (defun font-descent (font &optional domain charset)
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81 "Return the descent of the FONT in the specified DOMAIN, if any.
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82 FONT should be a font specifier object and DOMAIN is normally a window
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83 and defaults to the selected window if omitted. This is equivalent
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84 to using `specifier-instance' and applying `font-instance-descent' to
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85 the result. See `make-specifier' for more information about specifiers."
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86 (ws-object-property-1 'font-instance-descent font domain charset))
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87
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88 (defun font-width (font &optional domain charset)
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89 "Return the width of the FONT in the specified DOMAIN, if any.
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90 FONT should be a font specifier object and DOMAIN is normally a window
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91 and defaults to the selected window if omitted. This is equivalent
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92 to using `specifier-instance' and applying `font-instance-width' to
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93 the result. See `make-specifier' for more information about specifiers."
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94 (ws-object-property-1 'font-instance-width font domain charset))
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95
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96 (defun font-height (font &optional domain charset)
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97 "Return the height of the FONT in the specified DOMAIN, if any.
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98 FONT should be a font specifier object and DOMAIN is normally a window
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99 and defaults to the selected window if omitted. This is equivalent
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100 to using `specifier-instance' and applying `font-instance-height' to
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101 the result. See `make-specifier' for more information about specifiers."
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102 (ws-object-property-1 'font-instance-height font domain charset))
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103
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104 (defun font-proportional-p (font &optional domain charset)
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105 "Return whether FONT is proportional in the specified DOMAIN, if known.
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106 FONT should be a font specifier object and DOMAIN is normally a window
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107 and defaults to the selected window if omitted. This is equivalent
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108 to using `specifier-instance' and applying `font-instance-proportional-p' to
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109 the result. See `make-specifier' for more information about specifiers."
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110 (ws-object-property-1 'font-instance-proportional-p font domain charset))
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111
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112 (defun font-properties (font &optional domain charset)
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113 "Return the properties of the FONT in the specified DOMAIN, if any.
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114 FONT should be a font specifier object and DOMAIN is normally a window
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115 and defaults to the selected window if omitted. This is equivalent
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116 to using `specifier-instance' and applying `font-instance-properties'
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117 to the result. See `make-specifier' for more information about specifiers."
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118 (ws-object-property-1 'font-instance-properties font domain charset))
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119
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120 (defun font-truename (font &optional domain charset)
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121 "Return the truename of the FONT in the specified DOMAIN, if any.
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122 FONT should be a font specifier object and DOMAIN is normally a window
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123 and defaults to the selected window if omitted. This is equivalent
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124 to using `specifier-instance' and applying `font-instance-truename'
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125 to the result. See `make-specifier' for more information about specifiers."
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126 (ws-object-property-1 'font-instance-truename font domain charset))
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127
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128 (defun font-instance-height (font-instance)
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129 "Return the height in pixels of FONT-INSTANCE.
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130 The returned value is the maximum height for all characters in the font,\n\
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131 and is equivalent to the sum of the font instance's ascent and descent."
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132 (+ (font-instance-ascent font-instance)
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133 (font-instance-descent font-instance)))
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134
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135 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; color specifiers
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136
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137 (defun make-color-specifier (spec-list)
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138 "Return a new `color' specifier object with the given specification list.
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139 SPEC-LIST can be a list of specifications (each of which is a cons of a
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140 locale and a list of instantiators), a single instantiator, or a list
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141 of instantiators. See `make-specifier' for a detailed description of
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142 how specifiers work.
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143
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144 Valid instantiators for color specifiers are:
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145
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146 -- a string naming a color (e.g. under X this might be \"lightseagreen2\"
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147 or \"#F534B2\")
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148 -- a color instance (use that instance directly if the device matches,
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149 or use the string that generated it)
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150 -- a vector of no elements (only on TTY's; this means to set no color
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151 at all, thus using the \"natural\" color of the terminal's text)
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152 -- a vector of one or two elements: a face to inherit from, and
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153 optionally a symbol naming which property of that face to inherit,
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154 either `foreground' or `background' (if omitted, defaults to the same
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155 property that this color specifier is used for; if this specifier is
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156 not part of a face, the instantiator would not be valid)."
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157 (make-specifier-and-init 'color spec-list))
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158
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159 (defun color-name (color &optional domain)
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160 "Return the name of the COLOR in the specified DOMAIN, if any.
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161 COLOR should be a color specifier object and DOMAIN is normally a window
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162 and defaults to the selected window if omitted. This is equivalent
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163 to using `specifier-instance' and applying `color-instance-name' to
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164 the result. See `make-specifier' for more information about specifiers."
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165 (ws-object-property-1 'color-instance-name color domain))
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166
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167 (defun color-rgb-components (color &optional domain)
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168 "Return the RGB components of the COLOR in the specified DOMAIN, if any.
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169 COLOR should be a color specifier object and DOMAIN is normally a window
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170 and defaults to the selected window if omitted. This is equivalent
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171 to using `specifier-instance' and applying `color-instance-rgb-components'
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172 to the result. See `make-specifier' for more information about specifiers."
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173 (ws-object-property-1 'color-instance-rgb-components color domain))
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174
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175 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; face-boolean specifiers
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176
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177 (defun make-face-boolean-specifier (spec-list)
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178 "Return a new `face-boolean' specifier object with the given spec list.
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179 SPEC-LIST can be a list of specifications (each of which is a cons of a
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180 locale and a list of instantiators), a single instantiator, or a list
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181 of instantiators. See `make-specifier' for a detailed description of
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182 how specifiers work.
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183
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184 Valid instantiators for face-boolean specifiers are
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185
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186 -- t or nil
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187 -- a vector of two or three elements: a face to inherit from,
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188 optionally a symbol naming the property of that face to inherit from
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189 (if omitted, defaults to the same property that this face-boolean
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190 specifier is used for; if this specifier is not part of a face,
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191 the instantiator would not be valid), and optionally a value which,
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192 if non-nil, means to invert the sense of the inherited property."
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193 (make-specifier-and-init 'color spec-list))
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194
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195 ;;; objects.el ends here.