src/java.desktop/macosx/classes/sun/lwawt/LWWindowPeer.java

*** 121,130 ****
--- 121,132 ----
      {
          super(target, platformComponent);
          this.platformWindow = platformWindow;
          this.peerType = peerType;
  
+         targetFocusable = target.isFocusableWindow();
+ 
          Window owner = target.getOwner();
          LWWindowPeer ownerPeer = owner == null ? null :
               (LWWindowPeer) AWTAccessor.getComponentAccessor().getPeer(owner);
          PlatformWindow ownerDelegate = (ownerPeer != null) ? ownerPeer.getPlatformWindow() : null;