adding background image

interface/resources/qml/LoginDialog.qml

@@ -20,7 +20,8 @@ FocusScope {
     id: root
     HifiStylesUit.HifiConstants { id: hifi }
     objectName: "LoginDialog"
-    visible: true
+    property bool shown: true
+    visible: shown
 
     anchors.fill: parent
 
@@ -49,6 +50,13 @@ FocusScope {
         }
     }
 
+    Image {
+        id: loginDialogBackground
+        source: "LoginDialog/background.png"
+        anchors.fill: parent
+        z: -2
+    }
+
     Keys.onPressed: {
         if (!visible) {
             return

interface/resources/qml/LoginDialog/SignInBody.qml

@@ -215,6 +215,7 @@ Item {
                 }
                 onFocusChanged: {
                     root.text = "";
+                    root.isPassword = false;
                 }
             }
 
@@ -263,6 +264,7 @@ Item {
                 }
                 onFocusChanged: {
                     root.text = "";
+                    root.isPassword = false;
                 }
             }
             HifiControlsUit.TextField {

interface/resources/qml/OverlayLoginDialog.qml

@@ -50,6 +50,13 @@ FocusScope {
         }
     }
 
+    Image {
+        id: loginDialogBackground
+        source: "LoginDialog/background.png"
+        anchors.fill: parent
+        z: -2
+    }
+
     Timer {
         id: keyboardTimer
         repeat: false

interface/resources/qml/dialogs/TabletLoginDialog.qml

@@ -89,6 +89,13 @@ FocusScope {
         }
     }
 
+    Image {
+        id: loginDialogBackground
+        source: "../LoginDialog/background.png"
+        anchors.fill: parent
+        z: -2
+    }
+
     HifiControlsUit.Keyboard {
         id: loginKeyboard
         raised: root.keyboardEnabled && root.keyboardRaised