* gnus-art.el (gnus-treat-body-boundary): New variable.

[gnus] / lisp / gnus-ems.el

diff --git a/lisp/gnus-ems.el b/lisp/gnus-ems.el
index 06bdfa2..4649306 100644 (file)
--- a/lisp/gnus-ems.el
+++ b/lisp/gnus-ems.el
@@ -1,5 +1,5 @@
 ;;; gnus-ems.el --- functions for making Gnus work under different Emacsen
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001
 ;;        Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
@@ -26,7 +26,9 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl))
+(eval-when-compile
+  (require 'cl)
+  (require 'ring))
 
 ;;; Function aliases later to be redefined for XEmacs usage.
 
@@ -47,8 +49,15 @@
 
 (if (featurep 'xemacs)
     (autoload 'gnus-smiley-display "smiley")
-  (autoload 'gnus-smiley-display "smiley-ems") ; override XEmacs version
-)
+  (autoload 'gnus-smiley-display "smiley-ems")) ; override XEmacs version
+
+(defun gnus-kill-all-overlays ()
+  "Delete all overlays in the current buffer."
+  (let* ((overlayss (overlay-lists))
+        (buffer-read-only nil)
+        (overlays (delq nil (nconc (car overlayss) (cdr overlayss)))))
+    (while overlays
+      (delete-overlay (pop overlays)))))
 
 ;;; Mule functions.
 
@@ -60,6 +69,12 @@
         (truncate-string-to-width valstr ,max-width)
        valstr)))
 
+(eval-and-compile
+  (defalias 'gnus-char-width
+    (if (fboundp 'char-width)
+       'char-width
+      (lambda (ch) 1)))) ;; A simple hack.
+
 (eval-and-compile
   (if (featurep 'xemacs)
       (gnus-xmas-define)
@@ -75,7 +90,10 @@
            (append nnheader-file-name-translation-alist
                    (mapcar (lambda (c) (cons c ?_))
                            '(?: ?* ?\" ?< ?> ??))
-                   '((?+ . ?-))))))))
+                   (if (string-match "windows-nt\\|cygwin32"
+                                     (symbol-name system-type))
+                       nil
+                     '((?+ . ?-)))))))))
 
 (defvar gnus-tmp-unread)
 (defvar gnus-tmp-replied)
@@ -86,6 +104,7 @@
 (defvar gnus-tmp-name)
 (defvar gnus-tmp-closing-bracket)
 (defvar gnus-tmp-subject-or-nil)
+(defvar gnus-check-before-posting)
 
 (defun gnus-ems-redefine ()
   (cond
@@ -198,12 +217,15 @@
   "Length of the ring used for `gnus-article-xface-ring-internal'.")
 
 (defvar gnus-article-compface-xbm
-  (eq 0 (string-match "#define" (shell-command-to-string "uncompface -X")))
+  (condition-case ()
+      (eq 0 (string-match "#define"
+                         (shell-command-to-string "uncompface -X")))
+    (error nil))
   "Non-nil means the compface program supports the -X option.
 That produces XBM output.")
 
-(defun gnus-article-display-xface (beg end)
-  "Display an XFace header from between BEG and END in the current article.
+(defun gnus-article-display-xface (beg end &optional buffer)
+  "Display an XFace header from between BEG and END in BUFFER.
 Requires support for images in your Emacs and the external programs
 `uncompface', and `icontopbm'.  On a GNU/Linux system these
 might be in packages with names like `compface' or `faces-xface' and
@@ -221,7 +243,10 @@ for XEmacs."
            (make-ring gnus-article-xface-ring-size)))
     (save-excursion
       (let* ((cur (current-buffer))
-            (data (buffer-substring beg end))
+            (data (if buffer
+                      (with-current-buffer buffer
+                        (buffer-substring beg end))
+                    (buffer-substring beg end)))
             (image (cdr-safe (assoc data (ring-elements
                                           gnus-article-xface-ring-internal))))
             default-enable-multibyte-characters)
@@ -262,12 +287,22 @@ for XEmacs."
        (when image
          (goto-char (point-min))
          (re-search-forward "^From:" nil 'move)
+         (while (get-text-property (point) 'display)
+           (goto-char (next-single-property-change (point) 'display)))
          (insert-image image))))))
 
-(provide 'gnus-ems)
+;;; Image functions.
 
-;; Local Variables:
-;; byte-compile-warnings: '(redefine callargs)
-;; End:
+(defun gnus-image-type-available-p (type)
+  (and (fboundp 'image-type-available-p)
+       (image-type-available-p type)))
+
+(defun gnus-create-image (file)
+  (create-image file))
+
+(defun gnus-put-image (glyph)
+  (put-image glyph (point)))
+
+(provide 'gnus-ems)
 
 ;;; gnus-ems.el ends here