qmouse_qws.h Include File

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# qmouse_qws.h

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

    /****************************************************************************
    ** $Id: qt/qmouse_qws.h   3.3.5   edited Aug 31 12:17 $
    **
    ** Definition of Qt/Embedded mouse driver
    **
    ** Created : 20020220
    **
    ** Copyright (C) 1992-2005 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
    ** not clear to you.
    **
    **********************************************************************/

    #ifndef QMOUSE_QWS_H
    #define QMOUSE_QWS_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:
        QWSMouseHandler( const QString &driver = QString::null, const QString &device = QString::null );
        virtual ~QWSMouseHandler();

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

        void limitToScreen( QPoint &pt );
        void mouseChanged(const QPoint& pos, int bstate);
        const QPoint &pos() const { return mousePos; }

    protected:
        QPoint &mousePos;
    };

    class QWSCalibratedMouseHandler : public QWSMouseHandler
    {
    public:
        QWSCalibratedMouseHandler( const QString &driver = QString::null, const QString &device = QString::null );

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

        bool sendFiltered( const QPoint &, int button );
        QPoint transform( const QPoint & );

    protected:
        void readCalibration();
        void writeCalibration();
        void setFilterSize( int );

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

    #endif // QMOUSE_QWS_H