add book

Qt6QMLBeginnersCode/2.DissectingQmlSyntax/5-PropertyHandlers/CMakeLists.txt

@@ -0,0 +1,40 @@
+# Copyright (c) Daniel Gakwaya.
+# SPDX-License-Identifier: MIT
+
+cmake_minimum_required(VERSION 3.16)
+
+project(5-PropertyHandlers 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(app5-PropertyHandlers
+    main.cpp
+)
+
+qt_add_qml_module(app5-PropertyHandlers
+    URI 5-PropertyHandlers
+    VERSION 1.0
+    QML_FILES Main.qml
+)
+
+set_target_properties(app5-PropertyHandlers 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(app5-PropertyHandlers
+    PRIVATE Qt6::Quick
+)
+
+install(TARGETS app5-PropertyHandlers
+    BUNDLE DESTINATION .
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)

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)
+    }
+}

Qt6QMLBeginnersCode/2.DissectingQmlSyntax/5-PropertyHandlers/main.cpp

@@ -0,0 +1,21 @@
+// 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("5-PropertyHandlers", "Main");
+
+    return app.exec();
+
+}