mouse-drag-line changes for mouse-1 in header-line

[gnu-emacs] / lisp / avoid.el

diff --git a/lisp/avoid.el b/lisp/avoid.el
index eb8a4ad23a201f8b086bbab2eb92b40e9e73ec46..c92d456ef0c8589990c81fa8a180b11b6e3f7375 100644 (file)
--- a/lisp/avoid.el
+++ b/lisp/avoid.el
@@ -1,6 +1,6 @@
 ;;; avoid.el --- make mouse pointer stay out of the way of editing
 
-;; Copyright (C) 1993-1994, 2000-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1993-1994, 2000-2013 Free Software Foundation, Inc.
 
 ;; Author: Boris Goldowsky <boris@gnu.org>
 ;; Keywords: mouse
@@ -67,7 +67,7 @@
 
 ;;; Code:
 
-(eval-when-compile (require 'cl))
+(eval-when-compile (require 'cl-lib))
 
 (defgroup avoid nil
   "Make mouse pointer stay out of the way of editing."
@@ -80,7 +80,7 @@
 See function `mouse-avoidance-mode' for possible values.
 Setting this variable directly does not take effect;
 use either \\[customize] or the function `mouse-avoidance-mode'."
-  :set (lambda (symbol value)
+  :set (lambda (_symbol value)
         ;; 'none below prevents toggling when value is nil.
         (mouse-avoidance-mode (or value 'none)))
   :initialize 'custom-initialize-default
@@ -128,6 +128,7 @@ SIDE-POS: Distance from right or left edge of frame or window.
 TOP-OR-BOTTOM: banish the mouse to top or bottom of frame or window.
 TOP-OR-BOTTOM-POS: Distance from top or bottom edge of frame or window."
   :group   'avoid
+  :version "24.3"
   :type    '(alist :key-type symbol :value-type symbol)
   :options '(frame-or-window side (side-pos integer)
              top-or-bottom (top-or-bottom-pos integer)))
@@ -206,30 +207,30 @@ If you want the mouse banished to a different corner set
   (let* ((fra-or-win         (assoc-default
                               'frame-or-window
                               mouse-avoidance-banish-position 'eq))
-         (list-values        (case fra-or-win
-                               (frame (list 0 0 (frame-width) (frame-height)))
-                               (window (window-edges))))
-         (alist              (loop for v in list-values
-                                   for k in '(left top right bottom)
-                                   collect (cons k v)))
+         (list-values        (pcase fra-or-win
+                               (`frame (list 0 0 (frame-width) (frame-height)))
+                               (`window (window-edges))))
+         (alist              (cl-loop for v in list-values
+                                      for k in '(left top right bottom)
+                                      collect (cons k v)))
          (side               (assoc-default
                               'side
-                              mouse-avoidance-banish-position 'eq))
+                              mouse-avoidance-banish-position #'eq))
          (side-dist          (assoc-default
                               'side-pos
-                              mouse-avoidance-banish-position 'eq))
+                              mouse-avoidance-banish-position #'eq))
          (top-or-bottom      (assoc-default
                               'top-or-bottom
-                              mouse-avoidance-banish-position 'eq))
+                              mouse-avoidance-banish-position #'eq))
          (top-or-bottom-dist (assoc-default
                               'top-or-bottom-pos
-                              mouse-avoidance-banish-position 'eq))
-         (side-fn            (case side
-                               (left '+)
-                               (right '-)))
-         (top-or-bottom-fn   (case top-or-bottom
-                               (top '+)
-                               (bottom '-))))
+                              mouse-avoidance-banish-position #'eq))
+         (side-fn            (pcase side
+                               (`left '+)
+                               (`right '-)))
+         (top-or-bottom-fn   (pcase top-or-bottom
+                               (`top '+)
+                               (`bottom '-))))
     (cons (funcall side-fn                        ; -/+
                    (assoc-default side alist 'eq) ; right or left
                    side-dist)                     ; distance from side
@@ -267,7 +268,6 @@ If you want the mouse banished to a different corner set
   ;; For these modes, state keeps track of the total offset that we've
   ;; accumulated, and tries to keep it close to zero.
   (let* ((cur (mouse-position))
-        (cur-frame (car cur))
         (cur-pos (cdr cur))
         (pos (window-edges))
         (wleft (pop pos))