nxagent: Use SetNotifyFd to receive events.

nx-X11/programs/Xserver/hw/nxagent/Display.c

@@ -2877,7 +2877,7 @@ void nxagentAddXConnection()
               "to the device set.\n", nxagentXConnectionNumber);
   #endif
 
-  AddEnabledDevice(nxagentXConnectionNumber);
+  SetNotifyFd(XConnectionNumber(nxagentDisplay), nxagentNotifyConnection, X_NOTIFY_READ, NULL);
 }
 
 void nxagentRemoveXConnection()
@@ -2887,7 +2887,7 @@ void nxagentRemoveXConnection()
               "from the device set.\n", nxagentXConnectionNumber);
   #endif
 
-  RemoveEnabledDevice(nxagentXConnectionNumber);
+  RemoveNotifyFd(nxagentXConnectionNumber);
 }
 
 /*

nx-X11/programs/Xserver/hw/nxagent/Init.c

@@ -58,6 +58,7 @@ is" without express or implied warranty.
 #include "Pointer.h"
 #include "Keyboard.h"
 #include "Handlers.h"
+#include "Events.h"
 #include "Init.h"
 #include "Args.h"
 #include "Client.h"
@@ -407,6 +408,12 @@ FIXME: These variables, if not removed at all because have probably
   blackRoot = TRUE;
 }
 
+void
+nxagentNotifyConnection(int fd, int ready, void *data)
+{
+    nxagentDispatchEvents(NULL);
+}
+
 void InitInput(argc, argv)
      int argc;
      char *argv[];

nx-X11/programs/Xserver/hw/nxagent/Init.h

@@ -49,4 +49,6 @@ extern int  nxagentX2go;
 
 extern ServerGrabInfoRec nxagentGrabServerInfo;
 
+void nxagentNotifyConnection(int fd, int ready, void *data);
+
 #endif /* __Init_H__ */

nx-X11/programs/Xserver/hw/nxagent/Screen.c

@@ -2781,7 +2781,7 @@ int nxagentShadowInit(ScreenPtr pScreen, WindowPtr pWin)
               "to the device set.\n", fd);
   #endif
 
-  AddEnabledDevice(nxagentShadowXConnectionNumber);
+  SetNotifyFd(nxagentShadowXConnectionNumber, nxagentNotifyConnection, X_NOTIFY_READ, NULL);
 
   accessPixmapID = FakeClientID(serverClient -> index);