More QML!

Day1-IntroductionGUIFrameworks/HelloWorlds/qml_helloworld/qml_hello/countermanager.h

@@ -6,13 +6,14 @@
 class CounterManager : public QObject
 {
     Q_OBJECT
+
 public:
     explicit CounterManager(QObject *parent = nullptr);
 
+    int counter() const;
 
 signals:
 
-
 protected:
 private:
     int m_counter;

Day1-IntroductionGUIFrameworks/HelloWorlds/qml_helloworld/qml_hello/main.cpp

@@ -13,6 +13,7 @@ int main(int argc, char *argv[])
     QQmlApplicationEngine engine;
     auto counterManager = new  CounterManager();
     engine.rootContext()->setContextProperty("_counterManager", counterManager);
+
     const QUrl url(QStringLiteral("qrc:/main.qml"));
     QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
         &app, [url](QObject *obj, const QUrl &objUrl) {

Day1-IntroductionGUIFrameworks/HelloWorlds/qml_helloworld/qml_hello/main.qml

@@ -7,12 +7,12 @@ Window {
     visible: true
     title: qsTr("Hello World")
 
-    Text {
-        text: "Counter is " + _counterManager.counter;
-        anchors.centerIn: parent
-        MouseArea{
-            anchors.fill: parent
-            onClicked: {_counterManager.increase()}
+    Item {
+        anchors.fill: parent
+
+        Text {
+            id: text
+            text: "Hello, World!"
         }
     }
 }