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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVEPINCHGENERATOR_H
#define QDECLARATIVEPINCHGENERATOR_H
#include <QtQuick/QQuickItem>
#include <QtQuick/QQuickWindow>
#include <QtGui/QMouseEvent>
#include <QtGui/QTouchEvent>
#include <QtGui/QKeyEvent>
#include <QtGui/QPointingDevice>
#include <QtCore/QElapsedTimer>
#include <QtCore/QList>
#include <QtCore/QPoint>
#include <QDebug>
#define SWIPES_REQUIRED 2
QT_BEGIN_NAMESPACE
typedef struct {
QList<QPoint> touchPoints;
QList<int> durations;
} Swipe;
class QDeclarativePinchGenerator : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)
Q_PROPERTY(QString state READ state NOTIFY stateChanged)
Q_PROPERTY(qreal replaySpeedFactor READ replaySpeedFactor WRITE setReplaySpeedFactor NOTIFY replaySpeedFactorChanged)
Q_PROPERTY(QQuickItem* target READ target WRITE setTarget NOTIFY targetChanged)
Q_INTERFACES(QQmlParserStatus)
public:
QDeclarativePinchGenerator();
~QDeclarativePinchGenerator();
QString state() const;
QQuickItem* target() const;
void setTarget(QQuickItem* target);
qreal replaySpeedFactor() const;
void setReplaySpeedFactor(qreal factor);
bool enabled() const;
void setEnabled(bool enabled);
Q_INVOKABLE void replay();
Q_INVOKABLE void clear();
Q_INVOKABLE void stop();
Q_INVOKABLE int startDragDistance();
// programmatic interface, useful for autotests
Q_INVOKABLE void pinch(QPoint point1From,
QPoint point1To,
QPoint point2From,
QPoint point2To,
int interval1 = 20,
int interval2 = 20,
int samples1 = 10,
int samples2 = 10);
Q_INVOKABLE void pinchPress(QPoint point1From, QPoint point2From);
Q_INVOKABLE void pinchMoveTo(QPoint point1To, QPoint point2To);
Q_INVOKABLE void pinchRelease(QPoint point1To, QPoint point2To);
signals:
void stateChanged();
void targetChanged();
void replaySpeedFactorChanged();
void enabledChanged();
public:
enum GeneratorState {
Invalid = 0,
Idle = 1,
Recording = 2,
Replaying = 3
};
// from QQmlParserStatus
void componentComplete() override;
// from QQuickItem
void itemChange(ItemChange change, const ItemChangeData &data) override;
protected:
void mousePressEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void mouseDoubleClickEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void timerEvent(QTimerEvent *event) override;
private:
void setState(GeneratorState state);
private:
QQuickItem* target_;
GeneratorState state_;
QQuickWindow* window_;
QList<Swipe*> swipes_;
Swipe* activeSwipe_;
QElapsedTimer swipeTimer_;
int replayTimer_;
int replayBookmark_;
int masterSwipe_;
qreal replaySpeedFactor_;
bool enabled_;
QPointingDevice *device_;
};
QT_END_NAMESPACE
#endif
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