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https://github.com/Gator96100/ProxSpace.git
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127 lines
4.4 KiB
C++
127 lines
4.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtWidgets module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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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 The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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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 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QSCROLLERPROPERTIES_H
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#define QSCROLLERPROPERTIES_H
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#include <QtCore/QScopedPointer>
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#include <QtCore/QMetaType>
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#include <QtCore/QVariant>
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QT_BEGIN_NAMESPACE
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class QScroller;
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class QScrollerPrivate;
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class QScrollerPropertiesPrivate;
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class Q_WIDGETS_EXPORT QScrollerProperties
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{
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public:
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QScrollerProperties();
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QScrollerProperties(const QScrollerProperties &sp);
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QScrollerProperties &operator=(const QScrollerProperties &sp);
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virtual ~QScrollerProperties();
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bool operator==(const QScrollerProperties &sp) const;
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bool operator!=(const QScrollerProperties &sp) const;
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static void setDefaultScrollerProperties(const QScrollerProperties &sp);
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static void unsetDefaultScrollerProperties();
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enum OvershootPolicy
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{
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OvershootWhenScrollable,
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OvershootAlwaysOff,
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OvershootAlwaysOn
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};
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enum FrameRates {
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Standard,
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Fps60,
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Fps30,
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Fps20
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};
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enum ScrollMetric
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{
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MousePressEventDelay, // qreal [s]
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DragStartDistance, // qreal [m]
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DragVelocitySmoothingFactor, // qreal [0..1/s] (complex calculation involving time) v = v_new* DASF + v_old * (1-DASF)
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AxisLockThreshold, // qreal [0..1] atan(|min(dx,dy)|/|max(dx,dy)|)
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ScrollingCurve, // QEasingCurve
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DecelerationFactor, // slope of the curve
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MinimumVelocity, // qreal [m/s]
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MaximumVelocity, // qreal [m/s]
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MaximumClickThroughVelocity, // qreal [m/s]
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AcceleratingFlickMaximumTime, // qreal [s]
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AcceleratingFlickSpeedupFactor, // qreal [1..]
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SnapPositionRatio, // qreal [0..1]
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SnapTime, // qreal [s]
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OvershootDragResistanceFactor, // qreal [0..1]
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OvershootDragDistanceFactor, // qreal [0..1]
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OvershootScrollDistanceFactor, // qreal [0..1]
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OvershootScrollTime, // qreal [s]
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HorizontalOvershootPolicy, // enum OvershootPolicy
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VerticalOvershootPolicy, // enum OvershootPolicy
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FrameRate, // enum FrameRates
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ScrollMetricCount
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};
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QVariant scrollMetric(ScrollMetric metric) const;
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void setScrollMetric(ScrollMetric metric, const QVariant &value);
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protected:
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QScopedPointer<QScrollerPropertiesPrivate> d;
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private:
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QScrollerProperties(QScrollerPropertiesPrivate &dd);
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friend class QScrollerPropertiesPrivate;
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friend class QScroller;
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friend class QScrollerPrivate;
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};
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QT_END_NAMESPACE
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Q_DECLARE_METATYPE(QScrollerProperties::OvershootPolicy)
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Q_DECLARE_METATYPE(QScrollerProperties::FrameRates)
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#endif // QSCROLLERPROPERTIES_H
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