fixed input duplication

test.c

@@ -118,7 +118,7 @@ _init(void)
     	xcb_input_xi_event_mask_t mask;
 	} mask;
 
-	mask.head.deviceid = XCB_INPUT_DEVICE_ALL;
+	mask.head.deviceid = XCB_INPUT_DEVICE_ALL_MASTER;
 	mask.head.mask_len = 1;
 	
 	mask.mask =