add onscreen keyboard into 'Calibration' tab of Settings=>Controls dialog

interface/resources/qml/hifi/tablet/ControllerSettings.qml

@@ -9,6 +9,7 @@
 import QtQuick 2.7
 import QtQuick.Controls 2.2
 import QtQuick.Layouts 1.3
+import QtQuick.Window 2.2
 import QtGraphicalEffects 1.0
 import Qt.labs.settings 1.0
 import stylesUit 1.0
@@ -72,6 +73,11 @@ Item {
             initialItem: inputConfiguration
             property alias messageVisible: imageMessageBox.visible
             property string selectedPlugin: ""
+
+            property bool keyboardEnabled: false
+            property bool keyboardRaised: false
+            property bool punctuationMode: false
+
             Rectangle {
                 id: inputConfiguration
                 anchors {
@@ -227,6 +233,8 @@ Item {
                 anchors.right: parent.right
                 anchors.top: inputConfiguration.bottom
                 anchors.bottom: parent.bottom
+                anchors.bottomMargin: keyboard.height
+
                 Loader {
                     id: loader
                     asynchronous: false
@@ -248,6 +256,29 @@ Item {
                 }
             }
 
+            HifiControls.Keyboard {
+                id: keyboard
+                raised: parent.keyboardEnabled && parent.keyboardRaised
+                onRaisedChanged: {
+                    if (raised) {
+                        // delayed execution to allow loader and its content to adjust size
+                        Qt.callLater(function() {
+                            loader.item.bringToView(Window.activeFocusItem);
+                        })
+                    }
+                }
+
+                numeric: parent.punctuationMode
+                anchors {
+                    bottom: parent.bottom
+                    left: parent.left
+                    right: parent.right
+                }
+
+                Component.onCompleted: {
+                    parent.keyboardEnabled = HMD.active;
+                }
+            }
 
             function inputPlugins() {
                 if (checkBox.checked) {

interface/resources/qml/hifi/tablet/OpenVrConfiguration.qml

@@ -32,6 +32,18 @@ Flickable {
         }
     }
 
+    function bringToView(item) {
+        var yTop = item.mapToItem(contentItem, 0, 0).y;
+        var yBottom = yTop + item.height;
+
+        var surfaceTop = contentY;
+        var surfaceBottom = contentY + height;
+
+        if(yTop < surfaceTop || yBottom > surfaceBottom) {
+            contentY = yTop - height / 2 + item.height
+        }
+    }
+
     Component.onCompleted: {
         page = config.createObject(flick.contentItem);
     }
@@ -39,6 +51,8 @@ Flickable {
         id: config
         Rectangle {
             id: openVrConfiguration
+            anchors.fill: parent
+
             property int leftMargin: 75
             property int countDown: 0
             property string pluginName: ""