+        default:
+            wxFAIL_MSG( "unknown socket event" );
+            return wxFDIOManager::INPUT; // we must return something
+
+        case wxSOCKET_LOST:
+            wxFAIL_MSG( "unexpected socket event" );
+            return wxFDIOManager::INPUT; // as above
+
+        case wxSOCKET_INPUT:
+            return wxFDIOManager::INPUT;
+
+        case wxSOCKET_OUTPUT:
+            return wxFDIOManager::OUTPUT;
+
+        case wxSOCKET_CONNECTION:
+            // for server sockets we're interested in events indicating
+            // that a new connection is pending, i.e. that accept() will
+            // succeed and this is indicated by socket becoming ready for
+            // reading, while for the other ones we're interested in the
+            // completion of non-blocking connect() which is indicated by
+            // the socket becoming ready for writing
+            return socket->IsServer() ? wxFDIOManager::INPUT
+                                      : wxFDIOManager::OUTPUT;