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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSTACKEDWIDGET_H
#define QSTACKEDWIDGET_H

#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qframe.h>

QT_REQUIRE_CONFIG(stackedwidget);

QT_BEGIN_NAMESPACE

class QStackedWidgetPrivate;

class Q_WIDGETS_EXPORT QStackedWidget : public QFrame
{
    Q_OBJECT

    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentChanged)
    Q_PROPERTY(int count READ count)
public:
    explicit QStackedWidget(QWidget *parent = Q_NULLPTR);
    ~QStackedWidget();

    int addWidget(QWidget *w);
    int insertWidget(int index, QWidget *w);
    void removeWidget(QWidget *w);

    QWidget *currentWidget() const;
    int currentIndex() const;

    int indexOf(QWidget *) const;
    QWidget *widget(int) const;
    int count() const;

public Q_SLOTS:
    void setCurrentIndex(int index);
    void setCurrentWidget(QWidget *w);

Q_SIGNALS:
    void currentChanged(int);
    void widgetRemoved(int index);

protected:
    bool event(QEvent *e) Q_DECL_OVERRIDE;

private:
    Q_DISABLE_COPY(QStackedWidget)
    Q_DECLARE_PRIVATE(QStackedWidget)
};

QT_END_NAMESPACE

#endif // QSTACKEDWIDGET_H