fixes #6 fixes #7 fixes #8

Only long press implemented other elements where already implemented

UI/Input/Touch/TouchManager.js

@@ -83,7 +83,27 @@
             jsOMS.preventAll(event);
 
             if (elapsedTime > 300 && distY < 3 && distX < 3) {
-                // todo: handle long press here
+                let rightClick = document.createEvent('MouseEvents');
+
+                rightClick.initMouseEvent(
+                    'click',
+                    true,        // canBubble
+                    true,        // cancelable
+                    window,      // view - set to the window object
+                    1,           // detail - # of mouse clicks
+                    touch.pageX, // screenX - the page X coordinate
+                    touch.pageY, // screenY - the page Y coordinate
+                    touch.pageX, // clientX - the window X coordinate
+                    toch.pageY,  // clientY - the window Y coordinate
+                    false,       // ctrlKey
+                    false,       // altKey
+                    false,       // shiftKey
+                    false,       // metaKey
+                    2,           // button - 1 = left, 2 = right
+                    null         // relatedTarget
+                );
+                
+                document.dispatchEvent(rightClick);
             } else if (elapsedTime < 500) {
                 let e = new Event('keyup');