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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSCROLLERPROPERTIES_H
+#define QSCROLLERPROPERTIES_H
+
+#include <QtCore/QScopedPointer>
+#include <QtCore/QMetaType>
+#include <QtCore/QVariant>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QScroller;
+class QScrollerPrivate;
+class QScrollerPropertiesPrivate;
+
+class Q_WIDGETS_EXPORT QScrollerProperties
+{
+public:
+ QScrollerProperties();
+ QScrollerProperties(const QScrollerProperties &sp);
+ QScrollerProperties &operator=(const QScrollerProperties &sp);
+ virtual ~QScrollerProperties();
+
+ bool operator==(const QScrollerProperties &sp) const;
+ bool operator!=(const QScrollerProperties &sp) const;
+
+ static void setDefaultScrollerProperties(const QScrollerProperties &sp);
+ static void unsetDefaultScrollerProperties();
+
+ enum OvershootPolicy
+ {
+ OvershootWhenScrollable,
+ OvershootAlwaysOff,
+ OvershootAlwaysOn
+ };
+
+ enum FrameRates {
+ Standard,
+ Fps60,
+ Fps30,
+ Fps20
+ };
+
+ enum ScrollMetric
+ {
+ MousePressEventDelay, // qreal [s]
+ DragStartDistance, // qreal [m]
+ DragVelocitySmoothingFactor, // qreal [0..1/s] (complex calculation involving time) v = v_new* DASF + v_old * (1-DASF)
+ AxisLockThreshold, // qreal [0..1] atan(|min(dx,dy)|/|max(dx,dy)|)
+
+ ScrollingCurve, // QEasingCurve
+ DecelerationFactor, // slope of the curve
+
+ MinimumVelocity, // qreal [m/s]
+ MaximumVelocity, // qreal [m/s]
+ MaximumClickThroughVelocity, // qreal [m/s]
+
+ AcceleratingFlickMaximumTime, // qreal [s]
+ AcceleratingFlickSpeedupFactor, // qreal [1..]
+
+ SnapPositionRatio, // qreal [0..1]
+ SnapTime, // qreal [s]
+
+ OvershootDragResistanceFactor, // qreal [0..1]
+ OvershootDragDistanceFactor, // qreal [0..1]
+ OvershootScrollDistanceFactor, // qreal [0..1]
+ OvershootScrollTime, // qreal [s]
+
+ HorizontalOvershootPolicy, // enum OvershootPolicy
+ VerticalOvershootPolicy, // enum OvershootPolicy
+ FrameRate, // enum FrameRates
+
+ ScrollMetricCount
+ };
+
+ QVariant scrollMetric(ScrollMetric metric) const;
+ void setScrollMetric(ScrollMetric metric, const QVariant &value);
+
+protected:
+ QScopedPointer<QScrollerPropertiesPrivate> d;
+
+private:
+ QScrollerProperties(QScrollerPropertiesPrivate &dd);
+
+ friend class QScrollerPropertiesPrivate;
+ friend class QScroller;
+ friend class QScrollerPrivate;
+};
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QScrollerProperties::OvershootPolicy)
+Q_DECLARE_METATYPE(QScrollerProperties::FrameRates)
+
+QT_END_HEADER
+
+#endif // QSCROLLERPROPERTIES_H