add book

Qt6QMLBeginnersCode/4.SignalsSlots/1-SignalHandlers/CMakeLists.txt

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+# Copyright (c) Daniel Gakwaya.
+# SPDX-License-Identifier: MIT
+
+cmake_minimum_required(VERSION 3.16)
+
+project(1-SignalHandlers VERSION 0.1 LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+find_package(Qt6 6.5 REQUIRED COMPONENTS Quick)
+
+qt_standard_project_setup(REQUIRES 6.5)
+
+qt_add_executable(app1-SignalHandlers
+    main.cpp
+)
+
+qt_add_qml_module(app1-SignalHandlers
+    URI 1-SignalHandlers
+    VERSION 1.0
+    QML_FILES Main.qml
+)
+
+set_target_properties(app1-SignalHandlers PROPERTIES
+    MACOSX_BUNDLE_GUI_IDENTIFIER my.example.com
+    MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
+    MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
+    MACOSX_BUNDLE TRUE
+    WIN32_EXECUTABLE TRUE
+)
+
+target_link_libraries(app1-SignalHandlers
+    PRIVATE Qt6::Quick
+)
+
+install(TARGETS app1-SignalHandlers
+    BUNDLE DESTINATION .
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)

Qt6QMLBeginnersCode/4.SignalsSlots/1-SignalHandlers/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("Signal Handlers")
+
+    Rectangle {
+        id: rect
+        width: 150
+        height: 150
+        color: "red"
+
+        MouseArea {
+            anchors.fill: parent
+            //hoverEnabled: true
+
+            onClicked: {
+                console.log("Clicked on the rect")
+            }
+
+            onDoubleClicked: {
+                console.log("Double clicked on the rect")
+            }
+
+            onEntered: {
+                console.log("You're in!")
+            }
+
+            onExited: {
+                console.log("You're out!")
+            }
+
+            onWheel: function(wheel) {
+                console.log("Wheel: " + wheel.x)
+            }
+        }
+    }
+}

Qt6QMLBeginnersCode/4.SignalsSlots/1-SignalHandlers/main.cpp

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+// Copyright (c) Daniel Gakwaya.
+// SPDX-License-Identifier: MIT
+
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+
+int main(int argc, char *argv[])
+{
+    QGuiApplication app(argc, argv);
+
+    QQmlApplicationEngine engine;
+    QObject::connect(&engine, &QQmlApplicationEngine::objectCreationFailed,
+        &app, []() { QCoreApplication::exit(-1); },
+        Qt::QueuedConnection);
+    engine.loadFromModule("1-SignalHandlers", "Main");
+
+    return app.exec();
+}