simplify cpp usage in wait_reading_process_output

[bpt/emacs.git] / lisp / facemenu.el

diff --git a/lisp/facemenu.el b/lisp/facemenu.el
index e86c1c2..24613ec 100644 (file)
--- a/lisp/facemenu.el
+++ b/lisp/facemenu.el
@@ -1,6 +1,6 @@
 ;;; facemenu.el --- create a face menu for interactively adding fonts to text
 
-;; Copyright (C) 1994-1996, 2001-2013 Free Software Foundation, Inc.
+;; Copyright (C) 1994-1996, 2001-2014 Free Software Foundation, Inc.
 
 ;; Author: Boris Goldowsky <boris@gnu.org>
 ;; Keywords: faces
@@ -329,7 +329,7 @@ This command can also add FACE to the menu of faces,
 if `facemenu-listed-faces' says to do that."
   (interactive (list (progn
                       (barf-if-buffer-read-only)
-                      (read-face-name "Use face"))
+                      (read-face-name "Use face" (face-at-point t)))
                     (if (and mark-active (not current-prefix-arg))
                         (region-beginning))
                     (if (and mark-active (not current-prefix-arg))
@@ -513,12 +513,23 @@ filter out the color from the output."
         (* (nth 1 c-rgb) 0.7151522)
         (* (nth 2 c-rgb) 0.0721750))))))
 
+(defvar list-colors-callback nil
+  "Value of CALLBACK arg passed to `list-colors-display'; internal use.")
+
+(defun list-colors-redisplay (_ignore-auto _noconfirm)
+  "Redisplay the colors using `list-colors-sort'.
+
+This is installed as a `revert-buffer-function' in the *Colors* buffer."
+  (list-colors-display nil (buffer-name) list-colors-callback))
+
 (defun list-colors-display (&optional list buffer-name callback)
   "Display names of defined colors, and show what they look like.
 If the optional argument LIST is non-nil, it should be a list of
 colors to display.  Otherwise, this command computes a list of
 colors that the current display can handle.  Customize
 `list-colors-sort' to change the order in which colors are shown.
+Type `g' or \\[revert-buffer] after customizing `list-colors-sort'
+to redisplay colors in the new order.
 
 If the optional argument BUFFER-NAME is nil, it defaults to *Colors*.
 
@@ -566,7 +577,9 @@ color.  The function should accept a single argument, the color name."
       (erase-buffer)
       (list-colors-print list callback)
       (set-buffer-modified-p nil)
-      (setq truncate-lines t)))
+      (setq truncate-lines t)
+      (setq-local list-colors-callback callback)
+      (setq revert-buffer-function 'list-colors-redisplay)))
   (when callback
     (pop-to-buffer buffer-name)
     (message "Click on a color to select it.")))