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

*** 45,54 ****
--- 45,55 ----
  import com.apple.laf.*;
  import com.apple.laf.ClientPropertyApplicator.Property;
  import com.sun.awt.AWTUtilities;
  
  public class CPlatformWindow extends CFRetainedResource implements PlatformWindow {
+     private native static void nativeActivateApp();
      private native long nativeCreateNSWindow(long nsViewPtr,long ownerPtr, long styleBits, double x, double y, double w, double h);
      private static native void nativeSetNSWindowStyleBits(long nsWindowPtr, int mask, int data);
      private static native void nativeSetNSWindowMenuBar(long nsWindowPtr, long menuBarPtr);
      private static native Insets nativeGetNSWindowInsets(long nsWindowPtr);
      private static native void nativeSetNSWindowBounds(long nsWindowPtr, double x, double y, double w, double h);
*** 671,680 ****
--- 672,687 ----
      }
  
      @Override  // PlatformWindow
      public void toFront() {
          final long nsWindowPtr = getNSWindowPtr();
+         Container parent = getPeer().getTarget().getParent();
+         if(DefaultKeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow()
+                 instanceof CEmbeddedFrame
+                 && !((LWCToolkit)Toolkit.getDefaultToolkit()).isApplicationActive()) {
+             nativeActivateApp();
+         }
          updateFocusabilityForAutoRequestFocus(false);
          nativePushNSWindowToFront(nsWindowPtr);
          updateFocusabilityForAutoRequestFocus(true);
      }