100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
/****************************************************************************
|
|
**
|
|
** 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_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
|
|
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
|