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**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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:
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** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMOUSE_QWS_H
#define QMOUSE_QWS_H
#include <QtCore/qobject.h>
#include <QtGui/qpolygon.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QWSMouseHandlerPrivate;
class QScreen;
class Q_GUI_EXPORT QWSPointerCalibrationData
{
public:
enum Location { TopLeft = 0, BottomLeft = 1, BottomRight = 2, TopRight = 3,
Center = 4, LastLocation = Center };
QPoint devPoints[5];
QPoint screenPoints[5];
};
class Q_GUI_EXPORT QWSMouseHandler
{
public:
explicit QWSMouseHandler(const QString &driver = QString(),
const QString &device = QString());
virtual ~QWSMouseHandler();
virtual void clearCalibration() {}
virtual void calibrate(const QWSPointerCalibrationData *) {}
virtual void getCalibration(QWSPointerCalibrationData *) const {}
virtual void resume() = 0;
virtual void suspend() = 0;
void limitToScreen(QPoint &pt);
void mouseChanged(const QPoint& pos, int bstate, int wheel = 0);
const QPoint &pos() const { return mousePos; }
void setScreen(const QScreen *screen);
protected:
QPoint &mousePos;
QWSMouseHandlerPrivate *d_ptr;
};
class Q_GUI_EXPORT QWSCalibratedMouseHandler : public QWSMouseHandler
{
public:
explicit QWSCalibratedMouseHandler(const QString &driver = QString(),
const QString &device = QString());
virtual void clearCalibration();
virtual void calibrate(const QWSPointerCalibrationData *);
virtual void getCalibration(QWSPointerCalibrationData *) const;
protected:
bool sendFiltered(const QPoint &, int button);
QPoint transform(const QPoint &);
void readCalibration();
void writeCalibration();
void setFilterSize(int);
private:
int a, b, c;
int d, e, f;
int s;
QPolygon samples;
int currSample;
int numSamples;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QMOUSE_QWS_H
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