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

*** 667,676 ****
--- 667,678 ----
                  }
                  lastMouseEventPeer = null;
              }
          } else {
              if (targetPeer != lastMouseEventPeer) {
+ 
+                 if(id != MouseEvent.MOUSE_DRAGGED){
                      // lastMouseEventPeer may be null if mouse was out of Java windows
                      if (lastMouseEventPeer != null && lastMouseEventPeer.isEnabled()) {
                          // Sometimes, MOUSE_EXITED is not sent by delegate (or is sent a bit
                          // later), in which case lastWindowPeer is another window
                          if (lastWindowPeer != this) {
*** 691,710 ****
                                                   when, modifiers,
                                                   oldp.x, oldp.y, screenX, screenY,
                                                   clickCount, popupTrigger, button));
                      }
                  }
-                 lastMouseEventPeer = targetPeer;
                  if (targetPeer != null && targetPeer.isEnabled() && id != MouseEvent.MOUSE_ENTERED) {
                      Point newp = targetPeer.windowToLocal(x, y, curWindowPeer);
                      postEvent(new MouseEvent(targetPeer.getTarget(),
                                               MouseEvent.MOUSE_ENTERED,
                                               when, modifiers,
                                               newp.x, newp.y, screenX, screenY,
                                               clickCount, popupTrigger, button));
                  }
              }
              // TODO: fill "bdata" member of AWTEvent
  
              int eventButtonMask = (button > 0)? MouseEvent.getMaskForButton(button) : 0;
              int otherButtonsPressed = modifiers & ~eventButtonMask;
  
--- 693,713 ----
                                                       when, modifiers,
                                                       oldp.x, oldp.y, screenX, screenY,
                                                       clickCount, popupTrigger, button));
                          }
                      }
                      if (targetPeer != null && targetPeer.isEnabled() && id != MouseEvent.MOUSE_ENTERED) {
                          Point newp = targetPeer.windowToLocal(x, y, curWindowPeer);
                          postEvent(new MouseEvent(targetPeer.getTarget(),
                                                   MouseEvent.MOUSE_ENTERED,
                                                   when, modifiers,
                                                   newp.x, newp.y, screenX, screenY,
                                                   clickCount, popupTrigger, button));
                      }
                  }
+                 lastMouseEventPeer = targetPeer;
+             }
              // TODO: fill "bdata" member of AWTEvent
  
              int eventButtonMask = (button > 0)? MouseEvent.getMaskForButton(button) : 0;
              int otherButtonsPressed = modifiers & ~eventButtonMask;