qmouse_qws.h
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html.
- **
- ** Qt for Windows(R) Licensees
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- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
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- ****************************************************************************/
- #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