add book

Qt6QMLBeginnersCode/6.Javascript/3-FunctionsAndScope/CMakeLists.txt

@@ -0,0 +1,40 @@
+# Copyright (c) Daniel Gakwaya.
+# SPDX-License-Identifier: MIT
+
+cmake_minimum_required(VERSION 3.16)
+
+project(3-FunctionsAndScope 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(app3-FunctionsAndScope
+    main.cpp
+)
+
+qt_add_qml_module(app3-FunctionsAndScope
+    URI 3-FunctionsAndScope
+    VERSION 1.0
+    QML_FILES Main.qml
+)
+
+set_target_properties(app3-FunctionsAndScope 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(app3-FunctionsAndScope
+    PRIVATE Qt6::Quick
+)
+
+install(TARGETS app3-FunctionsAndScope
+    BUNDLE DESTINATION .
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)

Qt6QMLBeginnersCode/6.Javascript/3-FunctionsAndScope/Main.qml

@@ -0,0 +1,45 @@
+// Copyright (c) Daniel Gakwaya.
+// SPDX-License-Identifier: MIT
+
+import QtQuick
+
+Window {
+    visible: true
+    width: 640
+    height: 480
+    title: qsTr("Functions and Scope Demo")
+
+    function min ( a ,b)
+    {
+        return Math.min(a,b)
+    }
+
+    Rectangle {
+        id: mRectId
+        width: min( 500,400)
+        height: 100
+        anchors.centerIn: parent
+        color: "blue"
+    }
+
+    MouseArea {
+        id: mMouseAreaId
+        anchors.fill: parent
+
+        function sayMessage()
+        {
+            console.log("Hello there")
+        }
+
+        onClicked: {
+            sayMessage()
+            console.log(min(10,12))
+
+        }
+    }
+
+    Component.onCompleted: {
+        console.log("The width of the rect is: "+ min(500,400))
+        mMouseAreaId.sayMessage()
+    }
+}

Qt6QMLBeginnersCode/6.Javascript/3-FunctionsAndScope/main.cpp

@@ -0,0 +1,20 @@
+// 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("3-FunctionsAndScope", "Main");
+
+    return app.exec();
+}