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src/java.desktop/unix/classes/sun/awt/X11/XDnDDropTargetProtocol.java

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  53     private int sourceProtocolVersion = 0;
  54     private int sourceActions = DnDConstants.ACTION_NONE;
  55     private long[] sourceFormats = null;
  56     private boolean trackSourceActions = false;
  57     private int userAction = DnDConstants.ACTION_NONE;
  58     private int sourceX = 0;
  59     private int sourceY = 0;
  60     private XWindow targetXWindow = null;
  61 
  62     // XEmbed stuff.
  63     private long prevCtxt = 0;
  64     private boolean overXEmbedClient = false;
  65 
  66     protected XDnDDropTargetProtocol(XDropTargetProtocolListener listener) {
  67         super(listener);
  68     }
  69 
  70     /**
  71      * Creates an instance associated with the specified listener.
  72      *
  73      * @throws NullPointerException if listener is <code>null</code>.
  74      */
  75     static XDropTargetProtocol createInstance(XDropTargetProtocolListener listener) {
  76         return new XDnDDropTargetProtocol(listener);
  77     }
  78 
  79     public String getProtocolName() {
  80         return XDragAndDropProtocols.XDnD;
  81     }
  82 
  83     public void registerDropTarget(long window) {
  84         assert XToolkit.isAWTLockHeldByCurrentThread();
  85 
  86         long data = Native.allocateLongArray(1);
  87 
  88         try {
  89             Native.putLong(data, 0, XDnDConstants.XDND_PROTOCOL_VERSION);
  90 
  91             XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance());
  92             XDnDConstants.XA_XdndAware.setAtomData(window, XAtom.XA_ATOM, data, 1);
  93             XErrorHandlerUtil.RESTORE_XERROR_HANDLER();




  53     private int sourceProtocolVersion = 0;
  54     private int sourceActions = DnDConstants.ACTION_NONE;
  55     private long[] sourceFormats = null;
  56     private boolean trackSourceActions = false;
  57     private int userAction = DnDConstants.ACTION_NONE;
  58     private int sourceX = 0;
  59     private int sourceY = 0;
  60     private XWindow targetXWindow = null;
  61 
  62     // XEmbed stuff.
  63     private long prevCtxt = 0;
  64     private boolean overXEmbedClient = false;
  65 
  66     protected XDnDDropTargetProtocol(XDropTargetProtocolListener listener) {
  67         super(listener);
  68     }
  69 
  70     /**
  71      * Creates an instance associated with the specified listener.
  72      *
  73      * @throws NullPointerException if listener is {@code null}.
  74      */
  75     static XDropTargetProtocol createInstance(XDropTargetProtocolListener listener) {
  76         return new XDnDDropTargetProtocol(listener);
  77     }
  78 
  79     public String getProtocolName() {
  80         return XDragAndDropProtocols.XDnD;
  81     }
  82 
  83     public void registerDropTarget(long window) {
  84         assert XToolkit.isAWTLockHeldByCurrentThread();
  85 
  86         long data = Native.allocateLongArray(1);
  87 
  88         try {
  89             Native.putLong(data, 0, XDnDConstants.XDND_PROTOCOL_VERSION);
  90 
  91             XErrorHandlerUtil.WITH_XERROR_HANDLER(XErrorHandler.VerifyChangePropertyHandler.getInstance());
  92             XDnDConstants.XA_XdndAware.setAtomData(window, XAtom.XA_ATOM, data, 1);
  93             XErrorHandlerUtil.RESTORE_XERROR_HANDLER();


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