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124 lines
3.8 KiB
124 lines
3.8 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QMOUSE_QWS_H
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#define QMOUSE_QWS_H
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#include <QtCore/qobject.h>
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#include <QtGui/qpolygon.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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class QWSMouseHandlerPrivate;
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class QScreen;
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class Q_GUI_EXPORT QWSPointerCalibrationData
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{
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public:
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enum Location { TopLeft = 0, BottomLeft = 1, BottomRight = 2, TopRight = 3,
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Center = 4, LastLocation = Center };
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QPoint devPoints[5];
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QPoint screenPoints[5];
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};
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class Q_GUI_EXPORT QWSMouseHandler
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{
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public:
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explicit QWSMouseHandler(const QString &driver = QString(),
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const QString &device = QString());
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virtual ~QWSMouseHandler();
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virtual void clearCalibration() {}
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virtual void calibrate(const QWSPointerCalibrationData *) {}
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virtual void getCalibration(QWSPointerCalibrationData *) const {}
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virtual void resume() = 0;
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virtual void suspend() = 0;
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void limitToScreen(QPoint &pt);
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void mouseChanged(const QPoint& pos, int bstate, int wheel = 0);
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const QPoint &pos() const { return mousePos; }
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void setScreen(const QScreen *screen);
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protected:
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QPoint &mousePos;
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QWSMouseHandlerPrivate *d_ptr;
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};
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class Q_GUI_EXPORT QWSCalibratedMouseHandler : public QWSMouseHandler
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{
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public:
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explicit QWSCalibratedMouseHandler(const QString &driver = QString(),
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const QString &device = QString());
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virtual void clearCalibration();
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virtual void calibrate(const QWSPointerCalibrationData *);
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virtual void getCalibration(QWSPointerCalibrationData *) const;
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protected:
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bool sendFiltered(const QPoint &, int button);
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QPoint transform(const QPoint &);
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void readCalibration();
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void writeCalibration();
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void setFilterSize(int);
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private:
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int a, b, c;
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int d, e, f;
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int s;
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QPolygon samples;
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int currSample;
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int numSamples;
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QMOUSE_QWS_H
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