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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CUSTOMGESTURERECOGNIZER_H
#define CUSTOMGESTURERECOGNIZER_H
#include "qgesturerecognizer.h"
#include "qgesture.h"
#include "qevent.h"
class SingleshotEvent : public QEvent
{
public:
static const int Type = QEvent::User + 1;
QPoint point;
explicit SingleshotEvent(int x = 0, int y = 0)
: QEvent(QEvent::Type(Type)), point(x, y) { }
};
class SingleshotGesture : public QGesture
{
Q_OBJECT
public:
SingleshotGesture(QObject *parent, const QString &type)
: QGesture(parent, type) { }
QPoint offset;
protected:
void translate(const QPoint &pt)
{
offset += pt;
}
};
class SingleshotGestureRecognizer : public QGestureRecognizer
{
Q_OBJECT
public:
static const char *Name;
SingleshotGestureRecognizer(QObject *parent = 0);
QGestureRecognizer::Result filterEvent(const QEvent *event);
QGesture* getGesture() { return gesture; }
void reset();
private:
SingleshotGesture *gesture;
};
struct TouchPoint {
enum State
{
None = 0,
Begin = Qt::TouchPointPressed,
Update = Qt::TouchPointMoved,
End = Qt::TouchPointReleased
};
int id;
QPoint pt;
State state;
TouchPoint() : id(0), state(None) { }
TouchPoint(int id_, int x_, int y_, State state_) : id(id_), pt(x_, y_), state(state_) { }
};
class TouchEvent : public QEvent
{
public:
static const int Type = QEvent::User + 2;
TouchEvent()
: QEvent(QEvent::Type(Type))
{
}
TouchPoint points[2];
};
class PinchGesture : public QGesture
{
Q_OBJECT
public:
PinchGesture(QObject *parent, const QString &type)
: QGesture(parent, type) { }
TouchPoint startPoints[2];
TouchPoint lastPoints[2];
TouchPoint points[2];
QPoint offset;
protected:
void translate(const QPoint &pt)
{
offset += pt;
}
};
class PinchGestureRecognizer : public QGestureRecognizer
{
Q_OBJECT
public:
static const char *Name;
PinchGestureRecognizer(QObject *parent = 0);
QGestureRecognizer::Result filterEvent(const QEvent *event);
QGesture* getGesture() { return gesture; }
void reset();
private:
PinchGesture *gesture;
};
class SecondFingerGesture : public QGesture
{
Q_OBJECT
public:
SecondFingerGesture(QObject *parent, const QString &type)
: QGesture(parent, type) { }
TouchPoint startPoint;
TouchPoint lastPoint;
TouchPoint point;
QPoint offset;
protected:
void translate(const QPoint &pt)
{
offset += pt;
}
};
class SecondFingerGestureRecognizer : public QGestureRecognizer
{
Q_OBJECT
public:
static const char *Name;
SecondFingerGestureRecognizer(QObject *parent = 0);
QGestureRecognizer::Result filterEvent(const QEvent *event);
QGesture* getGesture() { return gesture; }
void reset();
private:
SecondFingerGesture *gesture;
};
class PanGesture : public QGesture
{
Q_OBJECT
public:
PanGesture(QObject *parent, const QString &type)
: QGesture(parent, type) { }
TouchPoint startPoints[2];
TouchPoint lastPoints[2];
TouchPoint points[2];
QPoint offset;
protected:
void translate(const QPoint &pt)
{
offset += pt;
}
};
class PanGestureRecognizer : public QGestureRecognizer
{
Q_OBJECT
public:
static const char *Name;
PanGestureRecognizer(QObject *parent = 0);
QGestureRecognizer::Result filterEvent(const QEvent *event);
QGesture* getGesture() { return gesture; }
void reset();
private:
PanGesture *gesture;
};
#endif
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