Qt Toolkit - qwsmouse_qws.h include file

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# qwsmouse_qws.h

This is the verbatim text of the qwsmouse_qws.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    ** $Id: qt/src/kernel/qwsmouse_qws.h   2.3.0   edited 2001-02-12 $
    **
    ** Definition of Qt/FB central server classes
    **
    ** Created : 991025
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the kernel module of the Qt GUI Toolkit.
    **
    ** This file may be distributed and/or modified under the terms of the
    ** GNU General Public License version 2 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file.
    **
    ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
    ** licenses for Qt/Embedded may use this file in accordance with the
    ** Qt Embedded Commercial License Agreement provided with the Software.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    **   information about Qt Commercial License Agreements.
    ** See http://www.trolltech.com/gpl/ for GPL licensing information.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
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    **********************************************************************/

    #ifndef QWSMOUSE_H
    #define QWSMOUSE_H

    #ifndef QT_H
    #include <qobject.h>
    #include <qpointarray.h>
    #endif // QT_H

    class QWSPointerCalibrationData
    {
    public:
        enum Location { TopLeft = 0, BottomLeft = 1, BottomRight = 2, TopRight = 3,
                        Center = 4, LastLocation = Center };
        QPoint devPoints[5];
        QPoint screenPoints[5];
    };

    class QWSMouseHandler : public QObject {
        Q_OBJECT
    public:
        QWSMouseHandler();
        virtual ~QWSMouseHandler();

        virtual void clearCalibration() {}
        virtual void calibrate( QWSPointerCalibrationData * ) {}

    signals:
        void mouseChanged(const QPoint& pos, int bstate);
    };

    class QCalibratedMouseHandler : public QWSMouseHandler
    {
        Q_OBJECT
    public:
        QCalibratedMouseHandler();

        virtual void clearCalibration();
        virtual void calibrate( QWSPointerCalibrationData * );

    protected:
        void readCalibration();
        void writeCalibration();
        QPoint transform( const QPoint & );
        bool sendFiltered( const QPoint &, int button );
        void setFilterSize( int );

    private:
        int a, b, c;
        int d, e, f;
        int s;
        QPointArray samples;
        unsigned int currSample;
        unsigned int numSamples;
    };

    #endif