(mouse-show-mark): Handle switch-frame events in the loop.

diff --git a/lisp/mouse.el b/lisp/mouse.el
index 41b543e38926b11297b1ff16171f106d1ea4c002..07b525546cfe8eda07a1f65ceb01e1263dca4134 100644 (file)
--- a/lisp/mouse.el
+++ b/lisp/mouse.el
@@ -759,12 +759,14 @@ If DIR is positive skip forward; if negative, skip backward."
                                  (throw 'mouse-show-mark t)))))
          (move-overlay mouse-drag-overlay (point) (mark t))
          (catch 'mouse-show-mark
-           ;; In this loop, read and execute scroll bar events.
-           ;; Otherwise, if we 
+           ;; In this loop, execute scroll bar and switch-frame events.
+           ;; Also ignore down-events that are undefined.
            (while (progn (setq event (read-event))
                          (setq events (append events (list event)))
                          (setq key (apply 'vector events))
                          (or (and (consp event)
+                                  (eq (car event) 'switch-frame))
+                             (and (consp event)
                                   (eq (posn-point (event-end event))
                                       'vertical-scroll-bar))
                              (and (memq 'down (event-modifiers event))
@@ -772,8 +774,9 @@ If DIR is positive skip forward; if negative, skip backward."
                                   (not (mouse-undouble-last-event events))
                                   (not (member key mouse-region-delete-keys)))))
              (and (consp event)
-                  (eq (posn-point (event-end event))
-                      'vertical-scroll-bar)
+                  (or (eq (car event) 'switch-frame)
+                      (eq (posn-point (event-end event))
+                          'vertical-scroll-bar))
                   (let ((keys (vector 'vertical-scroll-bar event)))
                     (and (key-binding keys)
                          (progn