Transmit mouse position info

Ooui/Client.js

@@ -5,6 +5,19 @@ const nodes = {};
 
 let socket = null;
 
+const mouseEvents = {
+    click: true,
+    dblclick: true,
+    mousedown: true,
+    mouseenter: true,
+    mouseleave: true,
+    mousemove: true,
+    mouseout: true,
+    mouseover: true,
+    mouseup: true,
+    wheel: true,
+};
+
 function ooui (rootElementPath) {
     var opened = false;
 
@@ -115,6 +128,12 @@ function msgListen (m) {
                 node.checked :
                 node.value;
         }
+        else if (mouseEvents[m.k]) {
+            em.v = {
+                offsetX: e.offsetX,
+                offsetY: e.offsetY,
+            };
+        }
         const ems = JSON.stringify (em);
         socket.send (ems);
         if (debug) console.log ("Event", em);