+(defun menu-bar-menu-frame-live-and-visible-p ()
+ "Return non-nil if the menu frame is alive and visible.
+The menu frame is the frame for which we are updating the menu."
+ (let ((menu-frame (or menu-updating-frame (selected-frame))))
+ (and (frame-live-p menu-frame)
+ (frame-visible-p menu-frame))))
+
+(defun menu-bar-non-minibuffer-window-p ()
+ "Return non-nil if selected window of the menu frame is not a minibuf window.
+
+See the documentation of `menu-bar-menu-frame-live-and-visible-p'
+for the definition of the menu frame."
+ (let ((menu-frame (or menu-updating-frame (selected-frame))))
+ (not (window-minibuffer-p (frame-selected-window menu-frame)))))
+
+(defun kill-this-buffer () ; for the menu bar