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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // Copyright (C) 2019 Alexey Edelev <semlanik@gmail.com>
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "chatengine.h"
++
++ #include <QtProtobufQtCoreTypes>
++
++ #include <QtQml/QQmlApplicationEngine>
++
++ #include <QtGui/QFontDatabase>
++ #include <QtGui/QGuiApplication>
++ #include <QtGui/QIcon>
++
++ int main(int argc, char *argv[])
++ {
++ QtProtobuf::registerProtobufQtCoreTypes();
++
++ QGuiApplication app(argc, argv);
++ QGuiApplication::setWindowIcon(QIcon(":/res/qtchat_logo.png"));
++ QGuiApplication::setApplicationName("QtGrpcChat");
++ QGuiApplication::setOrganizationName("The Qt Company");
++ QGuiApplication::setOrganizationDomain("qt.io");
++ #ifdef USE_EMOJI_FONT
++ QFontDatabase::addApplicationFont(":/NotoColorEmoji.ttf");
++ #endif
++
++ QQmlApplicationEngine engine;
++ engine.loadFromModule("QtGrpcChat", "Main");
++ if (engine.rootObjects().isEmpty())
++ return -1;
++
++ // Install the engine as event filter. We use it to detect inactivity
++ auto *chatEngine = engine.singletonInstance<ChatEngine*>("QtGrpcChat", "ChatEngine");
++ app.installEventFilter(chatEngine);
++
++ return QGuiApplication::exec();
++ }