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

*** 4952,4969 ****
      }
      if (env->EnsureLocalCapacity(2) < 0) {
          return;
      }
      jobject target = GetTarget(env);
      DTRACE_PRINTLN("creating MWE in JNI");
  
      jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
                                               mouseWheelEventConst,
                                               target,
                                               id, when, modifiers,
                                               x+insets.left, y+insets.top,
!                                              0, 0,
                                               clickCount, popupTrigger,
                                               scrollType, scrollAmount,
                                               roundedWheelRotation, preciseWheelRotation);
  
      DASSERT(mouseWheelEvent != NULL);
--- 4952,4973 ----
      }
      if (env->EnsureLocalCapacity(2) < 0) {
          return;
      }
      jobject target = GetTarget(env);
+     DWORD curMousePos = ::GetMessagePos();
+     int xAbs = GET_X_LPARAM(curMousePos);
+     int yAbs = GET_Y_LPARAM(curMousePos);
+ 
      DTRACE_PRINTLN("creating MWE in JNI");
  
      jobject mouseWheelEvent = env->NewObject(mouseWheelEventCls,
                                               mouseWheelEventConst,
                                               target,
                                               id, when, modifiers,
                                               x+insets.left, y+insets.top,
!                                              xAbs, yAbs,
                                               clickCount, popupTrigger,
                                               scrollType, scrollAmount,
                                               roundedWheelRotation, preciseWheelRotation);
  
      DASSERT(mouseWheelEvent != NULL);