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/***************************************************************************************************
Copyright (C) 2024 The Qt Company Ltd.
SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
***************************************************************************************************/
#pragma once
#ifndef QT_QUICK_LIB
struct IQQmlEngine {};
#else
#include "qdotnetinterface.h"
#include "qdotnetadapter.h"
#ifdef __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wconversion"
#endif
#include <QElapsedTimer>
#include <QQmlEngine>
#include <QThread>
#ifdef __GNUC__
# pragma GCC diagnostic pop
#endif
#include <functional>
struct IQQmlEngine : public QDotNetNativeInterface<QQmlEngine>
{
static inline const QString &AssemblyQualifiedName =
QStringLiteral("Qt.Quick.IQQmlEngine, Qt.DotNet.Adapter");
bool exited = false;
int exitCode = -1;
IQQmlEngine()
: QDotNetNativeInterface<QQmlEngine>(AssemblyQualifiedName,
QDotNetAdapter::instance().qmlEngine(), false)
{
init();
}
void init() {
const auto *engine = QDotNetAdapter::instance().qmlEngine();
if (engine == nullptr)
return;
QObject::connect(engine, &QQmlEngine::exit,
[this](int code)
{
exitCode = code;
exited = true;
});
QObject::connect(engine, &QQmlEngine::quit,
[this]()
{
exitCode = 0;
exited = true;
});
setCallback<void, QString, QString>("LoadFromModule", [this](void *data,
const QString &uri, const QString &typeName)
{
auto *qmlEngine = reinterpret_cast<QQmlEngine *>(data);
if (!qmlEngine)
return;
QMetaObject::invokeMethod(qmlEngine, "loadFromModule", Qt::BlockingQueuedConnection,
Q_ARG(QAnyStringView, uri), Q_ARG(QAnyStringView, typeName));
});
setCallback<bool, int>("WaitForExit", [this](void *data, int timeout)
{
if (timeout == 0)
return false;
QElapsedTimer timer;
timer.start();
while (!timer.hasExpired(timeout) && !IQQmlEngine::exited)
QThread::usleep(100);
return IQQmlEngine::exited;
});
setCallback<void>("ProcessEvents", [this](void *data)
{
QCoreApplication::processEvents();
});
}
static void staticInit(QDotNetInterface *sta)
{
static IQQmlEngine qmlEngine;
sta->setCallback<IQQmlEngine>("QQmlEngine_Get",
[](void *) { return IQQmlEngine(qmlEngine); });
}
};
#endif
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