1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QMOUSE_QWS_H 43 #define QMOUSE_QWS_H 44 45 #include <QtCore/qobject.h> 46 #include <QtGui/qpolygon.h> 47 48 QT_BEGIN_HEADER 49 50 QT_BEGIN_NAMESPACE 51 52 QT_MODULE(Gui) 53 54 class QWSMouseHandlerPrivate; 55 class QScreen; 56 57 class Q_GUI_EXPORT QWSPointerCalibrationData 58 { 59 public: 60 enum Location { TopLeft = 0, BottomLeft = 1, BottomRight = 2, TopRight = 3, 61 Center = 4, LastLocation = Center }; 62 QPoint devPoints[5]; 63 QPoint screenPoints[5]; 64 }; 65 66 class Q_GUI_EXPORT QWSMouseHandler 67 { 68 public: 69 explicit QWSMouseHandler(const QString &driver = QString(), 70 const QString &device = QString()); 71 virtual ~QWSMouseHandler(); 72 clearCalibration()73 virtual void clearCalibration() {} calibrate(const QWSPointerCalibrationData *)74 virtual void calibrate(const QWSPointerCalibrationData *) {} getCalibration(QWSPointerCalibrationData *)75 virtual void getCalibration(QWSPointerCalibrationData *) const {} 76 77 virtual void resume() = 0; 78 virtual void suspend() = 0; 79 80 void limitToScreen(QPoint &pt); 81 void mouseChanged(const QPoint& pos, int bstate, int wheel = 0); pos()82 const QPoint &pos() const { return mousePos; } 83 84 void setScreen(const QScreen *screen); 85 86 protected: 87 QPoint &mousePos; 88 QWSMouseHandlerPrivate *d_ptr; 89 }; 90 91 92 class Q_GUI_EXPORT QWSCalibratedMouseHandler : public QWSMouseHandler 93 { 94 public: 95 explicit QWSCalibratedMouseHandler(const QString &driver = QString(), 96 const QString &device = QString()); 97 98 virtual void clearCalibration(); 99 virtual void calibrate(const QWSPointerCalibrationData *); 100 virtual void getCalibration(QWSPointerCalibrationData *) const; 101 102 protected: 103 bool sendFiltered(const QPoint &, int button); 104 QPoint transform(const QPoint &); 105 106 void readCalibration(); 107 void writeCalibration(); 108 void setFilterSize(int); 109 110 private: 111 int a, b, c; 112 int d, e, f; 113 int s; 114 QPolygon samples; 115 int currSample; 116 int numSamples; 117 }; 118 119 QT_END_NAMESPACE 120 121 QT_END_HEADER 122 123 #endif // QMOUSE_QWS_H 124