XDnDDragSourceProtocol.java 文件源码

private boolean processXdndStatus(XClientMessageEvent xclient) {
    int action = DnDConstants.ACTION_NONE;

    /* Ignore XDnD messages from all other windows. */
    if (xclient.get_data(0) != getTargetWindow()) {
        return true;
    }

    if ((xclient.get_data(1) & XDnDConstants.XDND_ACCEPT_DROP_FLAG) != 0) {
        /* This feature is new in XDnD version 2, but we can use it as XDnD
           compliance only requires supporting version 3 and up. */
        action = XDnDConstants.getJavaActionForXDnDAction(xclient.get_data(4));
    }

    getProtocolListener().handleDragReply(action);

    return true;
}