fixed button up, down issue

src/main.js

@@ -5,8 +5,8 @@ const config = {
   controls: {
     mouse: true,
     button: true,
-    voice: true,
-    motion: true,
+    voice: false,
+    motion: false,
   },
 };
 
@@ -105,7 +105,7 @@ const navigation = {
 let logId = 0;
 
 // Create WebSocket connection.
-const socket = new WebSocket(`wss://192.168.27.52:443`);
+const socket = new WebSocket(`wss://192.168.151.52:443`);
 
 // init application
 function init() {
@@ -325,8 +325,11 @@ function focusNextNavigationItem() {
 
   if (!currentItem) focusNavigationItem(1);
   else if (currentItem.nextSibling) {
+    let nextItem = currentItem.nextSibling;
     delete currentItem.dataset.selected;
-    currentItem.nextSibling.dataset.selected = "";
+    nextItem.dataset.selected = "";
+    let index = Array.from(currentItem.parentNode.children).indexOf(nextItem);
+    focusNavigationItem(index + 1);
   } else focusNavigationItem(1);
 }
 
@@ -339,8 +342,11 @@ function focusPreviousNavigationItem() {
 
   if (!currentItem) focusNavigationItem(1);
   else if (currentItem.previousSibling) {
+    let prevItem = currentItem.previousSibling;
     delete currentItem.dataset.selected;
-    currentItem.previousSibling.dataset.selected = "";
+    prevItem.dataset.selected = "";
+    let index = Array.from(currentItem.parentNode.children).indexOf(prevItem);
+    focusNavigationItem(index + 1);
   } else {
     let childCount = document.querySelector("#navigation > ul").children.length;
     focusNavigationItem(childCount);
@@ -486,7 +492,8 @@ function addButtonControls() {
     if (event.code === "Tab" || event.code === "ArrowDown")
       focusNextNavigationItem();
     else if (event.code === "ArrowUp") focusPreviousNavigationItem();
-    else if (event.code === "Enter" || event.code === "ShiftRight") navigateToSelected();
+    else if (event.code === "Enter" || event.code === "ShiftRight")
+      navigateToSelected();
     else if (event.code === "ArrowRight") moveDownNavigationLevel();
     else if (event.code === "ArrowLeft" || event.code === "Escape")
       moveUpNavigationLevel();
@@ -612,8 +619,8 @@ function addMotionControls() {
   let screenCenter = new Point(window.innerWidth / 2, window.innerHeight / 2);
   let idleTimeout;
   let idleDelay = 4000; //idle time before reseting reference point
-  let autoSelect = true; // selecting items with time delay
-  let drawMotionFlag = true; // draw motion values for debugging
+  let autoSelect = false; // selecting items with time delay
+  let drawMotionFlag = false; // draw motion values for debugging
 
   // motion buffer stuff
   let motionBuffer = []; // motion value buffer