add book

Qt6QMLBeginnersCode/2.DissectingQmlSyntax/5-PropertyHandlers/Main.qml

@@ -0,0 +1,40 @@
+// Copyright (c) Daniel Gakwaya.
+// SPDX-License-Identifier: MIT
+
+import QtQuick
+
+Window {
+    id: rootId
+    visible: true
+    width: 640
+    height: 480
+    title: qsTr("Properties and Handlers Demo")
+
+    property string firstName: "Daniel"
+    onFirstNameChanged: {
+        console.log("The firstname changed to: " + firstName)
+    }
+
+    onTitleChanged: {
+        console.log("The new title is: " + rootId.title)
+    }
+
+    Rectangle {
+        width: 300
+        height: 100
+        color: "greenyellow"
+        anchors.centerIn: parent
+
+        MouseArea {
+            anchors.fill: parent
+            onClicked: {
+                firstName = "John"
+                rootId.title = "The sky is blue"
+            }
+        }
+    }
+
+    Component.onCompleted: {
+        console.log("The firstname is: " + firstName)
+    }
+}