src/macosx/native/sun/awt/AWTWindow.m

*** 236,303 ****
      [self setPropertiesForStyleBits:styleBits mask:MASK(_METHOD_PROP_BITMASK)];
  
      return self;
  }
  
! // checks that this window is under the mouse cursor and this point is not overlapped by others windows
! - (BOOL) isTopmostWindowUnderMouse {
  
!     int currentWinID = [self.nsWindow windowNumber];
  
      NSRect screenRect = [[NSScreen mainScreen] frame];
      NSPoint nsMouseLocation = [NSEvent mouseLocation];
      CGPoint cgMouseLocation = CGPointMake(nsMouseLocation.x, screenRect.size.height - nsMouseLocation.y);
  
      NSMutableArray *windows = (NSMutableArray *)CGWindowListCopyWindowInfo(kCGWindowListOptionOnScreenOnly | kCGWindowListExcludeDesktopElements, kCGNullWindowID);
  
- 
      for (NSDictionary *window in windows) {
!         int layer = [[window objectForKey:(id)kCGWindowLayer] intValue];
          if (layer == 0) {
-             int winID = [[window objectForKey:(id)kCGWindowNumber] intValue];
              CGRect rect;
              CGRectMakeWithDictionaryRepresentation((CFDictionaryRef)[window objectForKey:(id)kCGWindowBounds], &rect);
              if (CGRectContainsPoint(rect, cgMouseLocation)) {
!                 return currentWinID == winID;
!             } else if (currentWinID == winID) {
!                 return NO;
              }
          }
      }
!     return NO;
  }
  
! - (void) synthesizeMouseEnteredExitedEvents {
  
!     int eventType = 0;
!     BOOL isUnderMouse = [self isTopmostWindowUnderMouse];
!     BOOL mouseIsOver = [[self.nsWindow contentView] mouseIsOver];
  
!     if (isUnderMouse && !mouseIsOver) {
!         eventType = NSMouseEntered;
!     } else if (!isUnderMouse && mouseIsOver) {
!         eventType = NSMouseExited;
!     } else {
!         return;
      }
  
!     NSPoint screenLocation = [NSEvent mouseLocation];
!     NSPoint windowLocation = [self.nsWindow convertScreenToBase: screenLocation];
!     int modifierFlags = (eventType == NSMouseEntered) ? NSMouseEnteredMask : NSMouseExitedMask;
  
!     NSEvent *mouseEvent = [NSEvent enterExitEventWithType: eventType
!                                                   location: windowLocation
!                                              modifierFlags: modifierFlags
                                                   timestamp: 0
!                                               windowNumber: [self.nsWindow windowNumber]
                                                     context: nil
                                                 eventNumber: 0
                                              trackingNumber: 0
                                                    userData: nil
                              ];
  
!     [[self.nsWindow contentView] deliverJavaMouseEvent: mouseEvent];
  }
  
  - (void) dealloc {
  AWT_ASSERT_APPKIT_THREAD;
  
--- 236,343 ----
      [self setPropertiesForStyleBits:styleBits mask:MASK(_METHOD_PROP_BITMASK)];
  
      return self;
  }
  
! + (BOOL) isAWTWindow:(NSWindow *)window {
!     return [window isKindOfClass: [AWTWindow_Panel class]] || [window isKindOfClass: [AWTWindow_Normal class]];
! }
  
! // returns id for the topmost window under mouse
! + (NSInteger) getTopmostWindowUnderMouseID {
  
      NSRect screenRect = [[NSScreen mainScreen] frame];
      NSPoint nsMouseLocation = [NSEvent mouseLocation];
      CGPoint cgMouseLocation = CGPointMake(nsMouseLocation.x, screenRect.size.height - nsMouseLocation.y);
  
      NSMutableArray *windows = (NSMutableArray *)CGWindowListCopyWindowInfo(kCGWindowListOptionOnScreenOnly | kCGWindowListExcludeDesktopElements, kCGNullWindowID);
  
      for (NSDictionary *window in windows) {
!         NSInteger layer = [[window objectForKey:(id)kCGWindowLayer] integerValue];
          if (layer == 0) {
              CGRect rect;
              CGRectMakeWithDictionaryRepresentation((CFDictionaryRef)[window objectForKey:(id)kCGWindowBounds], &rect);
              if (CGRectContainsPoint(rect, cgMouseLocation)) {
!                 return [[window objectForKey:(id)kCGWindowNumber] integerValue];
              }
          }
      }
!     return -1;
  }
  
! // checks that this window is under the mouse cursor and this point is not overlapped by others windows
! - (BOOL) isTopmostWindowUnderMouse {
!     return [self.nsWindow windowNumber] == [AWTWindow getTopmostWindowUnderMouseID];
! }
  
! + (AWTWindow *) getTopmostWindowUnderMouse {    
!     NSEnumerator *windowEnumerator = [[NSApp windows] objectEnumerator];
!     NSWindow *window;
      
!     NSInteger topmostWindowUnderMouseID = [AWTWindow getTopmostWindowUnderMouseID];
!     
!     while ((window = [windowEnumerator nextObject]) != nil) {
!         if ([window windowNumber] == topmostWindowUnderMouseID) {
!             BOOL isAWTWindow = [AWTWindow isAWTWindow: window]; 
!             return isAWTWindow ? (AWTWindow *) [window delegate] : nil;
!         }
      }     
+     return nil;
+ }
  
! + (void) synthesizeMouseEnteredExitedEventsForAllWindows {
  
!     NSPoint screenLocation = [NSEvent mouseLocation];
!     NSInteger topmostWindowUnderMouseID = [AWTWindow getTopmostWindowUnderMouseID];    
!     NSArray *windows = [NSApp windows];
!     NSWindow *window;
! 
!     // synthesize mouse exited event
!     NSEnumerator *windowEnumerator = [windows objectEnumerator];
!     while ((window = [windowEnumerator nextObject]) != nil) {
!         if ([AWTWindow isAWTWindow: window]) {
!             NSInteger windowID = [window windowNumber];
!             BOOL isUnderMouse = (windowID == topmostWindowUnderMouseID);
!             BOOL mouseIsOver = [[window contentView] mouseIsOver];
!             if (!isUnderMouse && mouseIsOver) {
!                 NSEvent *mouseEvent = [NSEvent enterExitEventWithType: NSMouseExited
!                                                              location: [window convertScreenToBase: screenLocation]
!                                                         modifierFlags: NSMouseExitedMask
                                                   timestamp: 0
!                                                          windowNumber: windowID
                                                     context: nil
                                                 eventNumber: 0
                                              trackingNumber: 0
                                                    userData: nil
                              ];
+                 [[window contentView] deliverJavaMouseEvent: mouseEvent];                
+             }
+         }
+     }
  
!     // synthesize mouse entered event
!     windowEnumerator = [windows objectEnumerator];
!     while ((window = [windowEnumerator nextObject]) != nil) {
!         if ([AWTWindow isAWTWindow: window]) {
!             NSInteger windowID = [window windowNumber];
!             BOOL isUnderMouse = (windowID == topmostWindowUnderMouseID);
!             BOOL mouseIsOver = [[window contentView] mouseIsOver];
!             if (isUnderMouse && !mouseIsOver) {
!                 NSEvent *mouseEvent = [NSEvent enterExitEventWithType: NSMouseEntered
!                                                              location: [window convertScreenToBase: screenLocation]
!                                                         modifierFlags: NSMouseEnteredMask
!                                                             timestamp: 0
!                                                          windowNumber: windowID
!                                                               context: nil
!                                                           eventNumber: 0
!                                                        trackingNumber: 0
!                                                              userData: nil
!                                        ];
!                 [[window contentView] deliverJavaMouseEvent: mouseEvent];                
!             }
!         }
!     }
  }
  
  - (void) dealloc {
  AWT_ASSERT_APPKIT_THREAD;
  
*** 823,833 ****
  
          // ensure we repaint the whole window after the resize operation
          // (this will also re-enable screen updates, which were disabled above)
          // TODO: send PaintEvent
  
!         [window synthesizeMouseEnteredExitedEvents];
      }];
  
  JNF_COCOA_EXIT(env);
  }
  
--- 863,873 ----
  
          // ensure we repaint the whole window after the resize operation
          // (this will also re-enable screen updates, which were disabled above)
          // TODO: send PaintEvent
  
!         [AWTWindow synthesizeMouseEnteredExitedEventsForAllWindows];
      }];
  
  JNF_COCOA_EXIT(env);
  }
  
*** 1038,1047 ****
--- 1078,1111 ----
  JNF_COCOA_EXIT(env);
  }
  
  /*
   * Class:     sun_lwawt_macosx_CPlatformWindow
+  * Method:    nativeGetTopmostPlatformWindowUnderMouse
+  * Signature: (J)V
+  */
+ JNIEXPORT jobject
+ JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeGetTopmostPlatformWindowUnderMouse
+ (JNIEnv *env, jclass clazz)
+ {
+     jobject topmostWindowUnderMouse = nil;
+     
+     JNF_COCOA_ENTER(env);
+     AWT_ASSERT_APPKIT_THREAD;
+     
+     AWTWindow *awtWindow = [AWTWindow getTopmostWindowUnderMouse];
+     if (awtWindow != nil) {
+         topmostWindowUnderMouse = [awtWindow.javaPlatformWindow jObject];
+     }
+     
+     JNF_COCOA_EXIT(env);
+     
+     return topmostWindowUnderMouse;
+ }
+ 
+ /*
+  * Class:     sun_lwawt_macosx_CPlatformWindow
   * Method:    nativeSynthesizeMouseEnteredExitedEvents
   * Signature: (J)V
   */
  JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CPlatformWindow_nativeSynthesizeMouseEnteredExitedEvents
  (JNIEnv *env, jclass clazz, jlong windowPtr)
*** 1053,1063 ****
      [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^(){
          AWT_ASSERT_APPKIT_THREAD;
  
          AWTWindow *window = (AWTWindow*)[nsWindow delegate];
  
!         [window synthesizeMouseEnteredExitedEvents];
      }];
  
      JNF_COCOA_EXIT(env);
  }
  
--- 1117,1127 ----
      [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^(){
          AWT_ASSERT_APPKIT_THREAD;
  
          AWTWindow *window = (AWTWindow*)[nsWindow delegate];
  
!         [AWTWindow synthesizeMouseEnteredExitedEventsForAllWindows];
      }];
  
      JNF_COCOA_EXIT(env);
  }