qt-everywhere-src-5.15.1/qtbase/tests/manual/diaglib/nativewindowdump.cpp

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** This file is part of the test suite of the Qt Toolkit.
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#include "nativewindowdump.h"

#if QT_VERSION >= 0x050000
#  include <QtGui/QGuiApplication>
#  include <qpa/qplatformnativeinterface.h>
#endif

#include <QtCore/QDebug>

namespace QtDiag {

void dumpNativeWindows(WId wid)
{
#if QT_VERSION >= 0x050000
    QPlatformNativeInterface *ni = QGuiApplication::platformNativeInterface();
    QString result;
    QMetaObject::invokeMethod(ni, "dumpNativeWindows", Qt::DirectConnection,
                              Q_RETURN_ARG(QString, result),
                              Q_ARG(WId, wid));
    qDebug().noquote() << result;
#endif // Qt 5
}

void dumpNativeQtTopLevels()
{
}

} // namespace QtDiag