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/****************************************************************************
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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** This file is part of the QtGui module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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****************************************************************************/
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#ifndef QABSTRACTSCROLLAREA_P_H
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#define QABSTRACTSCROLLAREA_P_H
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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#include "private/qframe_p.h"
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#include "qabstractscrollarea.h"
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#ifndef QT_NO_SCROLLAREA
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class QAbstractScrollAreaScrollBarContainer;
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class Q_WIDGETS_EXPORT QAbstractScrollAreaPrivate: public QFramePrivate
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Q_DECLARE_PUBLIC(QAbstractScrollArea)
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QAbstractScrollAreaPrivate();
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void replaceScrollBar(QScrollBar *scrollBar, Qt::Orientation orientation);
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QAbstractScrollAreaScrollBarContainer *scrollBarContainers[Qt::Vertical + 1];
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QScrollBar *hbar, *vbar;
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Qt::ScrollBarPolicy vbarpolicy, hbarpolicy;
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QWidget *cornerWidget;
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QRect cornerPaintingRect;
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QRect reverseCornerPaintingRect;
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int left, top, right, bottom; // viewport margin
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void layoutChildren();
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// ### Fix for 4.4, talk to Bjoern E or Girish.
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virtual void scrollBarPolicyChanged(Qt::Orientation, Qt::ScrollBarPolicy) {}
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bool canStartScrollingAt( const QPoint &startPos );
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void flashScrollBars();
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void setScrollBarTransient(QScrollBar *scrollBar, bool transient);
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void _q_showOrHideScrollBars();
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virtual QPoint contentsOffset() const;
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inline bool viewportEvent(QEvent *event)
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{ return q_func()->viewportEvent(event); }
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QScopedPointer<QObject> viewportFilter;
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bool singleFingerPanEnabled;
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void setSingleFingerPanEnabled(bool on = true);
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class QAbstractScrollAreaFilter : public QObject
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QAbstractScrollAreaFilter(QAbstractScrollAreaPrivate *p) : d(p)
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{ setObjectName(QLatin1String("qt_abstractscrollarea_filter")); }
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bool eventFilter(QObject *o, QEvent *e)
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{ return (o == d->viewport ? d->viewportEvent(e) : false); }
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QAbstractScrollAreaPrivate *d;
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class QAbstractScrollAreaScrollBarContainer : public QWidget
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enum LogicalPosition { LogicalLeft = 1, LogicalRight = 2 };
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QAbstractScrollAreaScrollBarContainer(Qt::Orientation orientation, QWidget *parent);
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void addWidget(QWidget *widget, LogicalPosition position);
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QWidgetList widgets(LogicalPosition position);
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void removeWidget(QWidget *widget);
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QScrollBar *scrollBar;
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int scrollBarLayoutIndex() const;
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Qt::Orientation orientation;
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#endif // QT_NO_SCROLLAREA
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#endif // QABSTRACTSCROLLAREA_P_H