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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QLabel>
#include <QPushButton>
#include "qtcast.h"
MyWidget::MyWidget()
{
//! [0]
QObject *obj = new MyWidget;
//! [0]
//! [1]
QWidget *widget = qobject_cast<QWidget *>(obj);
//! [1]
//! [2]
MyWidget *myWidget = qobject_cast<MyWidget *>(obj);
//! [2]
//! [3]
QLabel *label = qobject_cast<QLabel *>(obj);
//! [3] //! [4]
// label is nullptr
//! [4]
//! [5]
if (QLabel *label = qobject_cast<QLabel *>(obj)) {
//! [5] //! [6]
label->setText(tr("Ping"));
} else if (QPushButton *button = qobject_cast<QPushButton *>(obj)) {
button->setText(tr("Pong!"));
}
//! [6]
}
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