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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 QABSTRACTBUTTON_H
#define QABSTRACTBUTTON_H

#include <QtGui/qicon.h>
#include <QtGui/qkeysequence.h>
#include <QtWidgets/qwidget.h>

QT_BEGIN_NAMESPACE


class QButtonGroup;
class QAbstractButtonPrivate;

class Q_WIDGETS_EXPORT QAbstractButton : public QWidget
{
    Q_OBJECT

    Q_PROPERTY(QString text READ text WRITE setText)
    Q_PROPERTY(QIcon icon READ icon WRITE setIcon)
    Q_PROPERTY(QSize iconSize READ iconSize WRITE setIconSize)
#ifndef QT_NO_SHORTCUT
    Q_PROPERTY(QKeySequence shortcut READ shortcut WRITE setShortcut)
#endif
    Q_PROPERTY(bool checkable READ isCheckable WRITE setCheckable)
    Q_PROPERTY(bool checked READ isChecked WRITE setChecked DESIGNABLE isCheckable NOTIFY toggled USER true)
    Q_PROPERTY(bool autoRepeat READ autoRepeat WRITE setAutoRepeat)
    Q_PROPERTY(bool autoExclusive READ autoExclusive WRITE setAutoExclusive)
    Q_PROPERTY(int autoRepeatDelay READ autoRepeatDelay WRITE setAutoRepeatDelay)
    Q_PROPERTY(int autoRepeatInterval READ autoRepeatInterval WRITE setAutoRepeatInterval)
    Q_PROPERTY(bool down READ isDown WRITE setDown DESIGNABLE false)

public:
    explicit QAbstractButton(QWidget *parent = Q_NULLPTR);
    ~QAbstractButton();

    void setText(const QString &text);
    QString text() const;

    void setIcon(const QIcon &icon);
    QIcon icon() const;

    QSize iconSize() const;

#ifndef QT_NO_SHORTCUT
    void setShortcut(const QKeySequence &key);
    QKeySequence shortcut() const;
#endif

    void setCheckable(bool);
    bool isCheckable() const;

    bool isChecked() const;

    void setDown(bool);
    bool isDown() const;

    void setAutoRepeat(bool);
    bool autoRepeat() const;

    void setAutoRepeatDelay(int);
    int autoRepeatDelay() const;

    void setAutoRepeatInterval(int);
    int autoRepeatInterval() const;

    void setAutoExclusive(bool);
    bool autoExclusive() const;

#ifndef QT_NO_BUTTONGROUP
    QButtonGroup *group() const;
#endif

public Q_SLOTS:
    void setIconSize(const QSize &size);
    void animateClick(int msec = 100);
    void click();
    void toggle();
    void setChecked(bool);

Q_SIGNALS:
    void pressed();
    void released();
    void clicked(bool checked = false);
    void toggled(bool checked);

protected:
    void paintEvent(QPaintEvent *e) Q_DECL_OVERRIDE = 0;
    virtual bool hitButton(const QPoint &pos) const;
    virtual void checkStateSet();
    virtual void nextCheckState();

    bool event(QEvent *e) Q_DECL_OVERRIDE;
    void keyPressEvent(QKeyEvent *e) Q_DECL_OVERRIDE;
    void keyReleaseEvent(QKeyEvent *e) Q_DECL_OVERRIDE;
    void mousePressEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
    void mouseReleaseEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
    void mouseMoveEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
    void focusInEvent(QFocusEvent *e) Q_DECL_OVERRIDE;
    void focusOutEvent(QFocusEvent *e) Q_DECL_OVERRIDE;
    void changeEvent(QEvent *e) Q_DECL_OVERRIDE;
    void timerEvent(QTimerEvent *e) Q_DECL_OVERRIDE;


protected:
    QAbstractButton(QAbstractButtonPrivate &dd, QWidget* parent = Q_NULLPTR);

private:
    Q_DECLARE_PRIVATE(QAbstractButton)
    Q_DISABLE_COPY(QAbstractButton)
    friend class QButtonGroup;
};

QT_END_NAMESPACE

#endif // QABSTRACTBUTTON_H