src/java.desktop/macosx/native/libawt_lwawt/awt/CTrayIcon.m

@@ -168,14 +168,30 @@
     self = [super initWithFrame:NSMakeRect(0, 0, 1, 1)];
 
     [self setTrayIcon: theTrayIcon];
     isHighlighted = NO;
     image = nil;
+    [self addTrackingArea];
 
     return self;
 }
 
+- (void)addTrackingArea {
+    if (trackingArea) {
+        [self removeTrackingArea:trackingArea];
+    }
+        
+    NSTrackingAreaOptions options = NSTrackingMouseMoved | 
+                                    NSTrackingInVisibleRect | 
+                                    NSTrackingActiveAlways;
+    trackingArea = [[NSTrackingArea alloc] initWithRect: CGRectZero
+                                                options: options
+                                                owner: self
+                                                userInfo: nil];
+    [self addTrackingArea:trackingArea];
+}
+
 -(void) dealloc {
     [image release];
     [super dealloc];
 }
 

@@ -266,10 +282,14 @@
 
 - (void) mouseDragged:(NSEvent *)event {
     [trayIcon deliverJavaMouseEvent: event];
 }
 
+- (void) mouseMoved: (NSEvent *)event {
+    [trayIcon deliverJavaMouseEvent: event];
+}
+
 - (void) rightMouseDown:(NSEvent *)event {
     [trayIcon deliverJavaMouseEvent: event];
 }
 
 - (void) rightMouseUp:(NSEvent *)event {