(calendar-mode-map): Make mouse-1 and 3 clicks on the scroll-bar

scroll the calendar window rather than the buffer.

lisp/ChangeLog

 2009-09-22  Glenn Morris  <rgm@gnu.org>
 
+	* calendar/calendar.el (calendar-mode-map): Make mouse-1 and 3 clicks on
+	the scroll-bar scroll the calendar window rather than the buffer.
+
 	* calendar/cal-menu.el (cal-menu-scroll-menu): Add a sub-section with
 	commands that move point (as opposed to scrolling).
 

lisp/calendar/calendar.el

@@ -1594,6 +1594,14 @@ line."
     (define-key map [down-mouse-2]
       (easy-menu-binding cal-menu-global-mouse-menu))
 
+    ;; Left-click moves us forward in time, right-click backwards.
+    ;; cf scroll-bar.el.
+    (define-key map [vertical-scroll-bar mouse-1] 'calendar-scroll-left)
+    (define-key map [vertical-scroll-bar drag-mouse-1] 'calendar-scroll-left)
+    ;; down-mouse-2 stays as scroll-bar-drag.
+    (define-key map [vertical-scroll-bar mouse-3] 'calendar-scroll-right)
+    (define-key map [vertical-scroll-bar drag-mouse-3] 'calendar-scroll-right)
+
     map)
   "Keymap for `calendar-mode'.")