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diff --git a/basicsuite/qtwebbrowser/tqtc-qtwebbrowser/src/touchtracker.h b/basicsuite/qtwebbrowser/tqtc-qtwebbrowser/src/touchtracker.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtBrowser project.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPLv2 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
+**
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TOUCHTRACKER_H
+#define TOUCHTRACKER_H
+
+#include <QObject>
+#include <QQuickItem>
+
+class TouchTracker : public QQuickItem
+{
+ Q_OBJECT
+ Q_PROPERTY(qreal touchX READ touchX NOTIFY touchChanged)
+ Q_PROPERTY(qreal touchY READ touchY NOTIFY touchChanged)
+ Q_PROPERTY(int xVelocity READ xVelocity NOTIFY velocityChanged)
+ Q_PROPERTY(int yVelocity READ yVelocity NOTIFY velocityChanged)
+ Q_PROPERTY(bool blockEvents READ blockEvents WRITE setBlockEvents NOTIFY blockEventsChanged)
+ Q_PROPERTY(QQuickItem* target READ target WRITE setTarget NOTIFY targetChanged)
+
+ struct PositionInfo
+ {
+ QPointF pos;
+ qint64 ts;
+ qreal x() const { return pos.x(); }
+ qreal y() const { return pos.y(); }
+ };
+
+public:
+ TouchTracker(QQuickItem *parent = 0);
+
+ qreal touchX() const;
+ qreal touchY() const;
+ int xVelocity() const;
+ int yVelocity() const;
+ QQuickItem* target() const;
+ bool blockEvents() const;
+ void setBlockEvents(bool shouldBlock);
+ void setTarget(QQuickItem * target);
+
+signals:
+ void touchChanged();
+ void blockEventsChanged();
+ void targetChanged();
+ void touchBegin();
+ void touchEnd();
+ void velocityChanged();
+ void scrollDirectionChanged();
+
+protected:
+ bool eventFilter(QObject *obj, QEvent *event);
+ void touchEvent(QTouchEvent *event) override;
+
+private:
+ bool m_blockEvents;
+ int m_diff;
+ int m_previousY;
+ PositionInfo m_startPoint;
+ PositionInfo m_currentPoint;
+ QQuickItem *m_target;
+ QQuickItem *m_delegate;
+};
+
+#endif // TOUCHTRACKER_H