import project skeleton

.gitignore

+*.orig
+*.rej
+*~
+CMakeLists.txt.user
+CMakeLists.txt.user.*

CMakeLists.txt

+cmake_minimum_required(VERSION 3.14)
+
+project(quick-nested-event-loop LANGUAGES CXX)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# QtCreator supports the following variables for Android, which are identical to qmake Android variables.
+# Check http://doc.qt.io/qt-5/deployment-android.html for more information.
+# They need to be set before the find_package(Qt5 ...) call.
+
+#if(ANDROID)
+#    set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android")
+#    if (ANDROID_ABI STREQUAL "armeabi-v7a")
+#        set(ANDROID_EXTRA_LIBS
+#            ${CMAKE_CURRENT_SOURCE_DIR}/path/to/libcrypto.so
+#            ${CMAKE_CURRENT_SOURCE_DIR}/path/to/libssl.so)
+#    endif()
+#endif()
+
+find_package(QT NAMES Qt6 Qt5 COMPONENTS Core Quick REQUIRED)
+find_package(Qt${QT_VERSION_MAJOR} COMPONENTS Core Quick REQUIRED)
+
+if(ANDROID)
+    add_library(quick-nested-event-loop SHARED
+      main.cpp
+      qml.qrc
+    )
+else()
+    add_executable(quick-nested-event-loop
+      main.cpp
+      qml.qrc
+    )
+endif()
+
+target_compile_definitions(quick-nested-event-loop
+  PRIVATE $<$<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>:QT_QML_DEBUG>)
+target_link_libraries(quick-nested-event-loop
+  PRIVATE Qt${QT_VERSION_MAJOR}::Core Qt${QT_VERSION_MAJOR}::Quick)

main.cpp

+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+
+    QGuiApplication app(argc, argv);
+
+    QQmlApplicationEngine engine;
+    const QUrl url(QStringLiteral("qrc:/main.qml"));
+    QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
+                     &app, [url](QObject *obj, const QUrl &objUrl) {
+        if (!obj && url == objUrl)
+            QCoreApplication::exit(-1);
+    }, Qt::QueuedConnection);
+    engine.load(url);
+
+    return app.exec();
+}

main.qml

+import QtQuick 2.12
+import QtQuick.Window 2.12
+
+Window {
+    width: 640
+    height: 480
+    visible: true
+    title: qsTr("Hello World")
+}

qml.qrc

+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+    </qresource>
+</RCC>