add book

Qt6QMLBeginnersCode/4.SignalsSlots/7-ConnectSignalToMethod/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("Connect Signal to Method")
+
+    Rectangle{
+        id: rectId
+        width: 300
+        height: 300
+        color: "dodgerblue"
+
+        //Set up the signal
+        signal greet(string message)
+
+        //WE DON'T WANT TO USE THIS THIS TIME.
+        // Once you set up the signal, Qt setup a signal handler automatically
+        /*
+        onGreet: function(message){
+            console.log("Greeting with message: "+ message)
+        }
+        */
+
+        //We want to connect, not to a built in signal handler, but to a custom
+        //regular function
+        function respond_your_way(message){
+            console.log("Responding our way; 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")
+            }
+        }
+        Component.onCompleted: {
+            //Make the connection explicitly
+            rectId.greet.connect(rectId.respond_your_way)
+        }
+    }
+}