/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
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** This file is part of the Qt Labs Templates module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL3$
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** accordance with the commercial license agreement provided with the
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** packaging of this file. Please review the following information to
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
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** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
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****************************************************************************/

#ifndef QQUICKBUTTONGROUP_P_H
#define QQUICKBUTTONGROUP_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtCore/qobject.h>
#include <QtLabsTemplates/private/qtlabstemplatesglobal_p.h>
#include <QtQml/qqml.h>

QT_BEGIN_NAMESPACE

class QQuickAbstractButton;
class QQuickButtonGroupPrivate;
class QQuickButtonGroupAttached;
class QQuickButtonGroupAttachedPrivate;

class Q_LABSTEMPLATES_EXPORT QQuickButtonGroup : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QQuickAbstractButton *checkedButton READ checkedButton WRITE setCheckedButton NOTIFY checkedButtonChanged)
    Q_PROPERTY(QQmlListProperty<QQuickAbstractButton> buttons READ buttons NOTIFY buttonsChanged FINAL)

public:
    explicit QQuickButtonGroup(QObject *parent = Q_NULLPTR);
    ~QQuickButtonGroup();

    static QQuickButtonGroupAttached *qmlAttachedProperties(QObject *object);

    QQuickAbstractButton *checkedButton() const;
    void setCheckedButton(QQuickAbstractButton *checkedButton);

    QQmlListProperty<QQuickAbstractButton> buttons();

public Q_SLOTS:
    void addButton(QQuickAbstractButton *button);
    void removeButton(QQuickAbstractButton *button);

Q_SIGNALS:
    void checkedButtonChanged();
    void buttonsChanged();

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

class Q_LABSTEMPLATES_EXPORT QQuickButtonGroupAttached : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QQuickButtonGroup *group READ group WRITE setGroup NOTIFY groupChanged FINAL)

public:
    explicit QQuickButtonGroupAttached(QObject *parent = Q_NULLPTR);

    QQuickButtonGroup *group() const;
    void setGroup(QQuickButtonGroup *group);

Q_SIGNALS:
    void groupChanged();

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

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickButtonGroup)
QML_DECLARE_TYPEINFO(QQuickButtonGroup, QML_HAS_ATTACHED_PROPERTIES)

#endif // QQuickButtonGroup_H
