add book

Qt6QMLBeginnersCode/4.SignalsSlots/6-CustomSignals/Main.qml

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+// Copyright (c) Daniel Gakwaya.
+// SPDX-License-Identifier: MIT
+
+import QtQuick
+
+Window {
+    width: 640
+    height: 480
+    visible: true
+    title: qsTr("Custom Signals")
+
+    Rectangle{
+        id: rectId
+        width : 300
+        height: 300
+        color: "dodgerblue"
+
+        //Set up the signal
+        signal greet(string message)
+
+        //Once you set up the signal, Qt setup a signal handler automatically
+        onGreet: function(message){
+            console.log("Greeting with message: "+ message)
+        }
+
+        MouseArea{
+            anchors.fill: parent
+            onClicked: {
+                //Fire the signal by just calling it like a function
+                rectId.greet("The sky is blue")
+            }
+        }
+    }
+
+
+}