qbuttongroup.h

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// Copyright (C) 2020 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
 
#ifndef QBUTTONGROUP_H
#define QBUTTONGROUP_H
 
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtCore/qobject.h>
 
QT_REQUIRE_CONFIG(buttongroup);
 
QT_BEGIN_NAMESPACE
 
class QAbstractButton;
class QAbstractButtonPrivate;
class QButtonGroupPrivate;
 
class Q_WIDGETS_EXPORT QButtonGroup : public QObject
{
    Q_OBJECT
 
    Q_PROPERTY(bool exclusive READ exclusive WRITE setExclusive)
public:
    explicit QButtonGroup(QObject *parent = nullptr);
    ~QButtonGroup();
 
    void setExclusive(bool);
    bool exclusive() const;
 
    void addButton(QAbstractButton *, int id = -1);
    void removeButton(QAbstractButton *);
 
    QList<QAbstractButton*> buttons() const;
 
    QAbstractButton * checkedButton() const;
    // no setter on purpose!
 
    QAbstractButton *button(int id) const;
    void setId(QAbstractButton *button, int id);
    int id(QAbstractButton *button) const;
    int checkedId() const;
 
Q_SIGNALS:
    void buttonClicked(QAbstractButton *);
    void buttonPressed(QAbstractButton *);
    void buttonReleased(QAbstractButton *);
    void buttonToggled(QAbstractButton *, bool);
    void idClicked(int);
    void idPressed(int);
    void idReleased(int);
    void idToggled(int, bool);
 
private:
    Q_DISABLE_COPY(QButtonGroup)
    Q_DECLARE_PRIVATE(QButtonGroup)
    friend class QAbstractButton;
    friend class QAbstractButtonPrivate;
};
 
QT_END_NAMESPACE
 
#endif // QBUTTONGROUP_H