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-extent-start-open 'ignore)
38 (defalias 'gnus-set-text-properties 'set-text-properties)
39 (defalias 'gnus-appt-select-lowest-window 'appt-select-lowest-window)
40 (defalias 'gnus-mail-strip-quoted-names 'mail-strip-quoted-names)
41 (defalias 'gnus-make-local-hook 'make-local-hook)
42 (defalias 'gnus-character-to-event 'identity)
43 (defalias 'gnus-add-text-properties 'add-text-properties)
46 (autoload 'gnus-xmas-define "gnus-xmas")
47 (autoload 'gnus-xmas-redefine "gnus-xmas")
48 (autoload 'appt-select-lowest-window "appt.el"))
50 (or (fboundp 'mail-file-babyl-p)
51 (fset 'mail-file-babyl-p 'rmail-file-p))
55 (defun gnus-mule-cite-add-face (number prefix face)
56 ;; At line NUMBER, ignore PREFIX and add FACE to the rest of the line.
58 (let ((inhibit-point-motion-hooks t)
62 (forward-char (chars-in-string prefix))
63 (forward-char (length prefix)))
64 (skip-chars-forward " \t")
67 (skip-chars-backward " \t")
70 (gnus-overlay-put (gnus-make-overlay from to) 'face face)))))
72 (defun gnus-mule-max-width-function (el max-width)
73 (` (let* ((val (eval (, el)))
74 (valstr (if (numberp val)
75 (int-to-string val) val)))
76 (if (> (length valstr) (, max-width))
77 (truncate-string valstr (, max-width))
81 (if (string-match "XEmacs\\|Lucid" emacs-version)
84 (defvar gnus-mouse-face-prop 'mouse-face
85 "Property used for highlighting mouse regions.")
87 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
88 (defvar gnus-display-type
90 (let ((display-resource (x-get-resource ".displayType" "DisplayType")))
91 (cond (display-resource (intern (downcase display-resource)))
92 ((x-display-color-p) 'color)
93 ((x-display-grayscale-p) 'grayscale)
96 "A symbol indicating the display Emacs is running under.
97 The symbol should be one of `color', `grayscale' or `mono'. If Emacs
98 guesses this display attribute wrongly, either set this variable in
99 your `~/.emacs' or set the resource `Emacs.displayType' in your
100 `~/.Xdefaults'. See also `gnus-background-mode'.
102 This is a meta-variable that will affect what default values other
103 variables get. You would normally not change this variable, but
104 pounce directly on the real variables themselves.")
106 (defvar gnus-background-mode
108 (let ((bg-resource (x-get-resource ".backgroundMode"
110 (params (frame-parameters)))
111 (cond (bg-resource (intern (downcase bg-resource)))
112 ((and (cdr (assq 'background-color params))
113 (< (apply '+ (x-color-values
114 (cdr (assq 'background-color params))))
115 (/ (apply '+ (x-color-values "white")) 3)))
119 "A symbol indicating the Emacs background brightness.
120 The symbol should be one of `light' or `dark'.
121 If Emacs guesses this frame attribute wrongly, either set this variable in
122 your `~/.emacs' or set the resource `Emacs.backgroundMode' in your
124 See also `gnus-display-type'.
126 This is a meta-variable that will affect what default values other
127 variables get. You would normally not change this variable, but
128 pounce directly on the real variables themselves."))
131 ((string-match "XEmacs\\|Lucid" emacs-version)
134 ((or (not (boundp 'emacs-minor-version))
135 (< emacs-minor-version 30))
136 ;; Remove the `intangible' prop.
137 (let ((props (and (boundp 'gnus-hidden-properties)
138 gnus-hidden-properties)))
139 (while (and props (not (eq (car (cdr props)) 'intangible)))
140 (setq props (cdr props)))
141 (and props (setcdr props (cdr (cdr (cdr props))))))
142 (or (fboundp 'buffer-substring-no-properties)
143 (defun buffer-substring-no-properties (beg end)
144 (format "%s" (buffer-substring beg end)))))
147 (provide 'gnusutil))))
152 (defun gnus-dummy-func (&rest args))
153 (let ((funcs '(mouse-set-point set-face-foreground
154 set-face-background x-popup-menu)))
156 (or (fboundp (car funcs))
157 (fset (car funcs) 'gnus-dummy-func))
158 (setq funcs (cdr funcs))))))
159 (or (fboundp 'file-regular-p)
160 (defun file-regular-p (file)
161 (and (not (file-directory-p file))
162 (not (file-symlink-p file))
163 (file-exists-p file))))
164 (or (fboundp 'face-list)
165 (defun face-list (&rest args))))
168 (let ((case-fold-search t))
170 ((string-match "windows-nt\\|os/2" (format "%s" system-type))
171 (setq nnheader-file-name-translation-alist
172 (append nnheader-file-name-translation-alist
176 (defvar gnus-tmp-unread)
177 (defvar gnus-tmp-replied)
178 (defvar gnus-tmp-score-char)
179 (defvar gnus-tmp-indentation)
180 (defvar gnus-tmp-opening-bracket)
181 (defvar gnus-tmp-lines)
182 (defvar gnus-tmp-name)
183 (defvar gnus-tmp-closing-bracket)
184 (defvar gnus-tmp-subject-or-nil)
186 (defun gnus-ems-redefine ()
188 ((string-match "XEmacs\\|Lucid" emacs-version)
189 (gnus-xmas-redefine))
193 (defalias 'gnus-truncate-string 'truncate-string)
195 (fset 'gnus-summary-make-display-table (lambda () nil))
196 (fset 'gnus-cite-add-face 'gnus-mule-cite-add-face)
197 (fset 'gnus-max-width-function 'gnus-mule-max-width-function)
199 (if (boundp 'gnus-check-before-posting)
200 (setq gnus-check-before-posting
202 (delq 'control-chars gnus-check-before-posting))))
204 (defun gnus-summary-line-format-spec ()
205 (insert gnus-tmp-unread gnus-tmp-replied
206 gnus-tmp-score-char gnus-tmp-indentation)
211 gnus-tmp-opening-bracket
214 (if (> (length gnus-tmp-name) 20)
215 (truncate-string gnus-tmp-name 20)
217 gnus-tmp-closing-bracket)
219 gnus-mouse-face-prop gnus-mouse-face)
220 (insert " " gnus-tmp-subject-or-nil "\n"))
227 ;; byte-compile-warnings: '(redefine callargs)
230 ;;; gnus-ems.el ends here