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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtWidgets module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTSCROLLAREA_H
#define QABSTRACTSCROLLAREA_H
#include <QtWidgets/qframe.h>
QT_BEGIN_NAMESPACE
#ifndef QT_NO_SCROLLAREA
class QMargins;
class QScrollBar;
class QAbstractScrollAreaPrivate;
class Q_WIDGETS_EXPORT QAbstractScrollArea : public QFrame
{
Q_OBJECT
Q_PROPERTY(Qt::ScrollBarPolicy verticalScrollBarPolicy READ verticalScrollBarPolicy WRITE setVerticalScrollBarPolicy)
Q_PROPERTY(Qt::ScrollBarPolicy horizontalScrollBarPolicy READ horizontalScrollBarPolicy WRITE setHorizontalScrollBarPolicy)
Q_PROPERTY(SizeAdjustPolicy sizeAdjustPolicy READ sizeAdjustPolicy WRITE setSizeAdjustPolicy)
public:
explicit QAbstractScrollArea(QWidget* parent=0);
~QAbstractScrollArea();
enum SizeAdjustPolicy {
AdjustIgnored,
AdjustToContentsOnFirstShow,
AdjustToContents
};
Q_ENUM(SizeAdjustPolicy)
Qt::ScrollBarPolicy verticalScrollBarPolicy() const;
void setVerticalScrollBarPolicy(Qt::ScrollBarPolicy);
QScrollBar *verticalScrollBar() const;
void setVerticalScrollBar(QScrollBar *scrollbar);
Qt::ScrollBarPolicy horizontalScrollBarPolicy() const;
void setHorizontalScrollBarPolicy(Qt::ScrollBarPolicy);
QScrollBar *horizontalScrollBar() const;
void setHorizontalScrollBar(QScrollBar *scrollbar);
QWidget *cornerWidget() const;
void setCornerWidget(QWidget *widget);
void addScrollBarWidget(QWidget *widget, Qt::Alignment alignment);
QWidgetList scrollBarWidgets(Qt::Alignment alignment);
QWidget *viewport() const;
void setViewport(QWidget *widget);
QSize maximumViewportSize() const;
QSize minimumSizeHint() const Q_DECL_OVERRIDE;
QSize sizeHint() const Q_DECL_OVERRIDE;
virtual void setupViewport(QWidget *viewport);
SizeAdjustPolicy sizeAdjustPolicy() const;
void setSizeAdjustPolicy(SizeAdjustPolicy policy);
protected:
QAbstractScrollArea(QAbstractScrollAreaPrivate &dd, QWidget *parent = 0);
void setViewportMargins(int left, int top, int right, int bottom);
void setViewportMargins(const QMargins &margins);
QMargins viewportMargins() const;
bool eventFilter(QObject *, QEvent *) Q_DECL_OVERRIDE;
bool event(QEvent *) Q_DECL_OVERRIDE;
virtual bool viewportEvent(QEvent *);
void resizeEvent(QResizeEvent *) Q_DECL_OVERRIDE;
void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
void mousePressEvent(QMouseEvent *) Q_DECL_OVERRIDE;
void mouseReleaseEvent(QMouseEvent *) Q_DECL_OVERRIDE;
void mouseDoubleClickEvent(QMouseEvent *) Q_DECL_OVERRIDE;
void mouseMoveEvent(QMouseEvent *) Q_DECL_OVERRIDE;
#ifndef QT_NO_WHEELEVENT
void wheelEvent(QWheelEvent *) Q_DECL_OVERRIDE;
#endif
#ifndef QT_NO_CONTEXTMENU
void contextMenuEvent(QContextMenuEvent *) Q_DECL_OVERRIDE;
#endif
#ifndef QT_NO_DRAGANDDROP
void dragEnterEvent(QDragEnterEvent *) Q_DECL_OVERRIDE;
void dragMoveEvent(QDragMoveEvent *) Q_DECL_OVERRIDE;
void dragLeaveEvent(QDragLeaveEvent *) Q_DECL_OVERRIDE;
void dropEvent(QDropEvent *) Q_DECL_OVERRIDE;
#endif
void keyPressEvent(QKeyEvent *) Q_DECL_OVERRIDE;
virtual void scrollContentsBy(int dx, int dy);
virtual QSize viewportSizeHint() const;
private:
Q_DECLARE_PRIVATE(QAbstractScrollArea)
Q_DISABLE_COPY(QAbstractScrollArea)
Q_PRIVATE_SLOT(d_func(), void _q_hslide(int))
Q_PRIVATE_SLOT(d_func(), void _q_vslide(int))
Q_PRIVATE_SLOT(d_func(), void _q_showOrHideScrollBars())
friend class QStyleSheetStyle;
friend class QWidgetPrivate;
};
#endif // QT_NO_SCROLLAREA
QT_END_NAMESPACE
#endif // QABSTRACTSCROLLAREA_H
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