(gnus-simplify-mode-line): New function to simplify the

mode line in a safer manner.
(gnus-group-mode, gnus-browse-mode, gnus-summary-mode,
gnus-article-mode, gnus-server-mode): Use the function.

diff --git a/lisp/gnus.el b/lisp/gnus.el
index d12951e9d4fb1155dd1f9a0f89f6f48223b286e6..92aeed5e56d96aa3c6d51d194cd51b4fbf18529e 100644 (file)
--- a/lisp/gnus.el
+++ b/lisp/gnus.el
@@ -2842,6 +2842,16 @@ that that variable is buffer-local to the summary buffers."
   "Return the quit-config of GROUP."
   (nth 1 (assoc 'quit-config (gnus-find-method-for-group group))))
 
+(defun gnus-simplify-mode-line ()
+  "Make mode lines a bit simpler."
+  (setq mode-line-modified "-- ")
+  (if (listp mode-line-format)
+      (progn
+       (make-local-variable 'mode-line-format)
+       (setq mode-line-format (copy-sequence mode-line-format))
+       (and (equal (nth 3 mode-line-format) "   ")
+            (setcar (nthcdr 3 mode-line-format) "")))))
+
 ;;; List and range functions
 
 (defun gnus-last-element (list)
@@ -3218,11 +3228,7 @@ The following commands are available:
   (interactive)
   (if gnus-visual (gnus-group-make-menu-bar))
   (kill-all-local-variables)
-  (setq mode-line-modified "-- ")
-  (make-local-variable 'mode-line-format)
-  (setq mode-line-format (copy-sequence mode-line-format))
-  (and (equal (nth 3 mode-line-format) "   ")
-       (setcar (nthcdr 3 mode-line-format) ""))
+  (gnus-simplify-mode-line)
   (setq major-mode 'gnus-group-mode)
   (setq mode-name "Group")
   (gnus-group-set-mode-line)
@@ -5158,11 +5164,7 @@ buffer.
   (interactive)
   (kill-all-local-variables)
   (if gnus-visual (gnus-browse-make-menu-bar))
-  (setq mode-line-modified "-- ")
-  (make-local-variable 'mode-line-format)
-  (setq mode-line-format (copy-sequence mode-line-format))
-  (and (equal (nth 3 mode-line-format) "   ")
-       (setcar (nthcdr 3 mode-line-format) ""))
+  (gnus-simplify-mode-line)
   (setq major-mode 'gnus-browse-mode)
   (setq mode-name "Browse Server")
   (setq mode-line-process nil)
@@ -5643,11 +5645,7 @@ The following commands are available:
        (set (car locals) nil))
       (setq locals (cdr locals))))
   (gnus-make-thread-indent-array)
-  (setq mode-line-modified "-- ")
-  (make-local-variable 'mode-line-format)
-  (setq mode-line-format (copy-sequence mode-line-format))
-  (and (equal (nth 3 mode-line-format) "   ")
-       (setcar (nthcdr 3 mode-line-format) ""))
+  (gnus-simplify-mode-line)
   (setq major-mode 'gnus-summary-mode)
   (setq mode-name "Summary")
   (make-local-variable 'minor-mode-alist)
@@ -10769,11 +10767,7 @@ The following commands are available:
   (interactive)
   (if gnus-visual (gnus-article-make-menu-bar))
   (kill-all-local-variables)
-  (setq mode-line-modified "-- ")
-  (make-local-variable 'mode-line-format)
-  (setq mode-line-format (copy-sequence mode-line-format))
-  (and (equal (nth 3 mode-line-format) "   ")
-       (setcar (nthcdr 3 mode-line-format) ""))
+  (gnus-simplify-mode-line)
   (setq mode-name "Article")
   (setq major-mode 'gnus-article-mode)
   (make-local-variable 'minor-mode-alist)
@@ -13617,11 +13611,7 @@ The following commands are available:
   (interactive)
   (if gnus-visual (gnus-server-make-menu-bar))
   (kill-all-local-variables)
-  (setq mode-line-modified "-- ")
-  (make-local-variable 'mode-line-format)
-  (setq mode-line-format (copy-sequence mode-line-format))
-  (and (equal (nth 3 mode-line-format) "   ")
-       (setcar (nthcdr 3 mode-line-format) ""))
+  (gnus-simplify-mode-line)
   (setq major-mode 'gnus-server-mode)
   (setq mode-name "Server")
                                        ;  (gnus-group-set-mode-line)