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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 QSCROLLBAR_H
#define QSCROLLBAR_H
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qwidget.h>
#include <QtWidgets/qabstractslider.h>
QT_BEGIN_NAMESPACE
#ifndef QT_NO_SCROLLBAR
class QScrollBarPrivate;
class QStyleOptionSlider;
class Q_WIDGETS_EXPORT QScrollBar : public QAbstractSlider
{
Q_OBJECT
public:
explicit QScrollBar(QWidget *parent = Q_NULLPTR);
explicit QScrollBar(Qt::Orientation, QWidget *parent = Q_NULLPTR);
~QScrollBar();
QSize sizeHint() const Q_DECL_OVERRIDE;
bool event(QEvent *event) Q_DECL_OVERRIDE;
protected:
#ifndef QT_NO_WHEELEVENT
void wheelEvent(QWheelEvent *) Q_DECL_OVERRIDE;
#endif
void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
void mousePressEvent(QMouseEvent *) Q_DECL_OVERRIDE;
void mouseReleaseEvent(QMouseEvent *) Q_DECL_OVERRIDE;
void mouseMoveEvent(QMouseEvent *) Q_DECL_OVERRIDE;
void hideEvent(QHideEvent*) Q_DECL_OVERRIDE;
void sliderChange(SliderChange change) Q_DECL_OVERRIDE;
#ifndef QT_NO_CONTEXTMENU
void contextMenuEvent(QContextMenuEvent *) Q_DECL_OVERRIDE;
#endif
void initStyleOption(QStyleOptionSlider *option) const;
private:
friend class QAbstractScrollAreaPrivate;
friend Q_WIDGETS_EXPORT QStyleOptionSlider qt_qscrollbarStyleOption(QScrollBar *scrollBar);
Q_DISABLE_COPY(QScrollBar)
Q_DECLARE_PRIVATE(QScrollBar)
#ifndef QT_NO_ITEMVIEWS
friend class QTableView;
friend class QTreeViewPrivate;
friend class QCommonListViewBase;
friend class QListModeViewBase;
friend class QAbstractItemView;
#endif
};
#endif // QT_NO_SCROLLBAR
QT_END_NAMESPACE
#endif // QSCROLLBAR_H
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