1 ;;; gnus-ems.el --- functions for making Gnus work under different Emacsen
2 ;; Copyright (C) 1995,96 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
28 (eval-when-compile (require 'cl))
30 (defvar gnus-mouse-2 [mouse-2])
32 (defalias 'gnus-make-overlay 'make-overlay)
33 (defalias 'gnus-overlay-put 'overlay-put)
34 (defalias 'gnus-move-overlay 'move-overlay)
35 (defalias 'gnus-overlay-end 'overlay-end)
36 (defalias 'gnus-extent-detached-p 'ignore)
37 (defalias 'gnus-group-remove-excess-properties 'ignore)
38 (defalias 'gnus-topic-remove-excess-properties 'ignore)
39 (defalias 'gnus-extent-start-open 'ignore)
40 (defalias 'gnus-set-text-properties 'set-text-properties)
41 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
42 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
43 (defalias 'gnus-make-local-hook 'make-local-hook)
44 (defalias 'gnus-character-to-event 'identity)
47 (autoload 'gnus-xmas-define "gnus-xmas")
48 (autoload 'gnus-xmas-redefine "gnus-xmas")
49 (autoload 'appt-select-lowest-window "appt.el"))
51 (or (fboundp 'mail-file-babyl-p)
52 (fset 'mail-file-babyl-p 'rmail-file-p))
56 (defun gnus-mule-cite-add-face (number prefix face)
57 ;; At line NUMBER, ignore PREFIX and add FACE to the rest of the line.
59 (let ((inhibit-point-motion-hooks t)
63 (forward-char (chars-in-string prefix))
64 (forward-char (length prefix)))
65 (skip-chars-forward " \t")
68 (skip-chars-backward " \t")
71 (gnus-overlay-put (gnus-make-overlay from to) 'face face)))))
73 (defun gnus-mule-max-width-function (el max-width)
74 (` (let* ((val (eval (, el)))
75 (valstr (if (numberp val)
76 (int-to-string val) val)))
77 (if (> (length valstr) (, max-width))
78 (truncate-string valstr (, max-width))
82 (if (string-match "XEmacs\\|Lucid" emacs-version)
85 (defvar gnus-mouse-face-prop 'mouse-face
86 "Property used for highlighting mouse regions.")
88 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
89 (defvar gnus-display-type
91 (let ((display-resource (x-get-resource ".displayType" "DisplayType")))
92 (cond (display-resource (intern (downcase display-resource)))
93 ((x-display-color-p) 'color)
94 ((x-display-grayscale-p) 'grayscale)
97 "A symbol indicating the display Emacs is running under.
98 The symbol should be one of `color', `grayscale' or `mono'. If Emacs
99 guesses this display attribute wrongly, either set this variable in
100 your `~/.emacs' or set the resource `Emacs.displayType' in your
101 `~/.Xdefaults'. See also `gnus-background-mode'.
103 This is a meta-variable that will affect what default values other
104 variables get. You would normally not change this variable, but
105 pounce directly on the real variables themselves.")
107 (defvar gnus-background-mode
109 (let ((bg-resource (x-get-resource ".backgroundMode"
111 (params (frame-parameters)))
112 (cond (bg-resource (intern (downcase bg-resource)))
113 ((and (cdr (assq 'background-color params))
114 (< (apply '+ (x-color-values
115 (cdr (assq 'background-color params))))
116 (/ (apply '+ (x-color-values "white")) 3)))
120 "A symbol indicating the Emacs background brightness.
121 The symbol should be one of `light' or `dark'.
122 If Emacs guesses this frame attribute wrongly, either set this variable in
123 your `~/.emacs' or set the resource `Emacs.backgroundMode' in your
125 See also `gnus-display-type'.
127 This is a meta-variable that will affect what default values other
128 variables get. You would normally not change this variable, but
129 pounce directly on the real variables themselves."))
132 ((string-match "XEmacs\\|Lucid" emacs-version)
135 ((or (not (boundp 'emacs-minor-version))
136 (< emacs-minor-version 30))
137 ;; Remove the `intangible' prop.
138 (let ((props (and (boundp 'gnus-hidden-properties)
139 gnus-hidden-properties)))
140 (while (and props (not (eq (car (cdr props)) 'intangible)))
141 (setq props (cdr props)))
142 (and props (setcdr props (cdr (cdr (cdr props))))))
143 (or (fboundp 'buffer-substring-no-properties)
144 (defun buffer-substring-no-properties (beg end)
145 (format "%s" (buffer-substring beg end)))))
148 (provide 'gnusutil))))
153 (defun gnus-dummy-func (&rest args))
154 (let ((funcs '(mouse-set-point set-face-foreground
155 set-face-background x-popup-menu)))
157 (or (fboundp (car funcs))
158 (fset (car funcs) 'gnus-dummy-func))
159 (setq funcs (cdr funcs))))))
160 (or (fboundp 'file-regular-p)
161 (defun file-regular-p (file)
162 (and (not (file-directory-p file))
163 (not (file-symlink-p file))
164 (file-exists-p file))))
165 (or (fboundp 'face-list)
166 (defun face-list (&rest args))))
169 (let ((case-fold-search t))
171 ((string-match "windows-nt\\|os/2" (format "%s" system-type))
172 (setq nnheader-file-name-translation-alist
173 (append nnheader-file-name-translation-alist
177 (defvar gnus-tmp-unread)
178 (defvar gnus-tmp-replied)
179 (defvar gnus-tmp-score-char)
180 (defvar gnus-tmp-indentation)
181 (defvar gnus-tmp-opening-bracket)
182 (defvar gnus-tmp-lines)
183 (defvar gnus-tmp-name)
184 (defvar gnus-tmp-closing-bracket)
185 (defvar gnus-tmp-subject-or-nil)
187 (defun gnus-ems-redefine ()
189 ((string-match "XEmacs\\|Lucid" emacs-version)
190 (gnus-xmas-redefine))
194 (defalias 'gnus-truncate-string 'truncate-string)
196 (fset 'gnus-summary-make-display-table (lambda () nil))
197 (fset 'gnus-cite-add-face 'gnus-mule-cite-add-face)
198 (fset 'gnus-max-width-function 'gnus-mule-max-width-function)
200 (if (boundp 'gnus-check-before-posting)
201 (setq gnus-check-before-posting
203 (delq 'control-chars gnus-check-before-posting))))
205 (defun gnus-summary-line-format-spec ()
206 (insert gnus-tmp-unread gnus-tmp-replied
207 gnus-tmp-score-char gnus-tmp-indentation)
212 gnus-tmp-opening-bracket
215 (if (> (length gnus-tmp-name) 20)
216 (truncate-string gnus-tmp-name 20)
218 gnus-tmp-closing-bracket)
220 gnus-mouse-face-prop gnus-mouse-face)
221 (insert " " gnus-tmp-subject-or-nil "\n"))
228 ;; byte-compile-warnings: '(redefine callargs)
231 ;;; gnus-ems.el ends here