QML: switch to ViewerPage on connection established

src/desktop/qml/MainPage.qml

-import LomiriVNC 1.0
 import QtQuick 2.7
 import QtQuick.Controls 2.2
 import QtQuick.Layouts 1.3
@@ -6,6 +5,8 @@ import QtQuick.Layouts 1.3
 Page {
     id: root
 
+    signal connectionRequested(string host)
+
     title: qsTr("VNC Client")
 
     ColumnLayout {
@@ -25,7 +26,7 @@ Page {
             onAccepted: activate()
 
             function activate() {
-                vncClient.connectToServer(text);
+                root.connectionRequested(text)
             }
         }
 
@@ -36,9 +37,4 @@ Page {
             onClicked: urlField.activate()
         }
     }
-
-    VncClient {
-        id: vncClient
-        onConnectedChanged: console.log("Connected: " + connected)
-    }
 }

src/desktop/qml/main.qml

+import LomiriVNC 1.0
 import QtQml 2.2
 import QtQuick 2.7
 import QtQuick.Controls 2.2
@@ -19,6 +20,20 @@ ApplicationWindow {
 
     Component {
         id: mainPageComponent
-        MainPage {}
+        MainPage {
+            onConnectionRequested: {
+                vncClient.connectToServer(host);
+            }
+        }
+    }
+
+    VncClient {
+        id: vncClient
+
+        onConnectedChanged: if (connected) {
+            pageStack.push(Qt.resolvedUrl("ViewerPage.qml"), {
+                "vncClient": vncClient
+            })
+        }
     }
 }