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diff --git a/src/quick/handlers/qquickwheelhandler_p_p.h b/src/quick/handlers/qquickwheelhandler_p_p.h
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+// Copyright (C) 2019 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QQUICKWHEELHANDLER_P_P_H
+#define QQUICKWHEELHANDLER_P_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qquicksinglepointhandler_p_p.h"
+#include "qquickwheelhandler_p.h"
+#include <QtCore/qbasictimer.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_QUICK_EXPORT QQuickWheelHandlerPrivate : public QQuickSinglePointHandlerPrivate
+{
+ Q_DECLARE_PUBLIC(QQuickWheelHandler)
+
+public:
+ static QQuickWheelHandlerPrivate* get(QQuickWheelHandler *q) { return q->d_func(); }
+ static const QQuickWheelHandlerPrivate* get(const QQuickWheelHandler *q) { return q->d_func(); }
+
+ QQuickWheelHandlerPrivate();
+
+ QMetaProperty &targetMetaProperty() const;
+
+ QBasicTimer deactivationTimer;
+ qreal activeTimeout = 0.1;
+ qreal rotationScale = 1;
+ qreal rotation = 0; // in units of degrees
+ qreal targetScaleMultiplier = 1.25992104989487; // qPow(2, 1/3)
+ QString propertyName;
+ mutable QMetaProperty metaProperty;
+ Qt::Orientation orientation = Qt::Vertical;
+ mutable bool metaPropertyDirty = true;
+ bool invertible = true;
+ bool targetTransformAroundCursor = true;
+ bool blocking = true;
+ QQuickWheelEvent wheelEvent;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKWHEELHANDLER_P_P_H