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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
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**
**
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**
******************************************************************************/
#ifndef QSCROLLBAR_H
#define QSCROLLBAR_H
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qwidget.h>
#include <QtWidgets/qabstractslider.h>
QT_REQUIRE_CONFIG(scrollbar);
QT_BEGIN_NAMESPACE
class QScrollBarPrivate;
class QStyleOptionSlider;
class Q_WIDGETS_EXPORT QScrollBar : public QAbstractSlider
{
Q_OBJECT
public:
explicit QScrollBar(QWidget *parent = nullptr);
explicit QScrollBar(Qt::Orientation, QWidget *parent = nullptr);
~QScrollBar();
QSize sizeHint() const override;
bool event(QEvent *event) override;
protected:
#if QT_CONFIG(wheelevent)
void wheelEvent(QWheelEvent *) override;
#endif
void paintEvent(QPaintEvent *) override;
void mousePressEvent(QMouseEvent *) override;
void mouseReleaseEvent(QMouseEvent *) override;
void mouseMoveEvent(QMouseEvent *) override;
void hideEvent(QHideEvent*) override;
void sliderChange(SliderChange change) override;
#ifndef QT_NO_CONTEXTMENU
void contextMenuEvent(QContextMenuEvent *) override;
#endif
virtual 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)
#if QT_CONFIG(itemviews)
friend class QTableView;
friend class QTreeViewPrivate;
friend class QCommonListViewBase;
friend class QListModeViewBase;
friend class QAbstractItemView;
#endif
};
QT_END_NAMESPACE
#endif // QSCROLLBAR_H
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