src/java.desktop/windows/native/libawt/windows/awt_TrayIcon.cpp

@@ -409,16 +409,19 @@
     return mrConsume;
 }
 
 MsgRouting AwtTrayIcon::WmBalloonUserClick(UINT flags, int x, int y)
 {
-    if (AwtComponent::GetJavaModifiers() & java_awt_event_InputEvent_BUTTON1_DOWN_MASK) {
+    // The windows api GetKeyState() when read would provide the key state of the requrested key 
+    // but it is not guaranteed to receive the same as it is stored in the thread message queue and 
+    // unless the thread runs faster. 
+    // Event NIN_BALLOONUSERCLICK is received only upon left mouse click. Hence the additional check
+    // is not required.
         MSG msg;
         AwtComponent::InitMessage(&msg, lastMessage, flags, MAKELPARAM(x, y), x, y);
         SendActionEvent(java_awt_event_ActionEvent_ACTION_PERFORMED, ::JVM_CurrentTimeMillis(NULL, 0),
                         AwtComponent::GetActionModifiers(), &msg);
-    }
     return mrConsume;
 }
 
 MsgRouting AwtTrayIcon::WmKeySelect(UINT flags, int x, int y)
 {