* java/org/gnu/emacs/EmacsActivity.java (invalidateFocus1): New argument resetWhenChildless. (invalidateFocus): If a toplevel window has no focus window, transfer focus to the toplevel itself.
* java/org/gnu/emacs/EmacsActivity.java (invalidateFocus1): New argument resetWhenChildless. (invalidateFocus): If a toplevel window has no focus window, transfer focus to the toplevel itself.