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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef QMOUSE_QWS_H |
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43 #define QMOUSE_QWS_H |
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44 |
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45 #include <QtCore/qobject.h> |
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46 #include <QtGui/qpolygon.h> |
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47 |
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48 QT_BEGIN_HEADER |
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49 |
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50 QT_BEGIN_NAMESPACE |
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51 |
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52 QT_MODULE(Gui) |
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53 |
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54 class QWSMouseHandlerPrivate; |
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55 class QScreen; |
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56 |
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57 class Q_GUI_EXPORT QWSPointerCalibrationData |
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58 { |
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59 public: |
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60 enum Location { TopLeft = 0, BottomLeft = 1, BottomRight = 2, TopRight = 3, |
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61 Center = 4, LastLocation = Center }; |
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62 QPoint devPoints[5]; |
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63 QPoint screenPoints[5]; |
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64 }; |
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65 |
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66 class Q_GUI_EXPORT QWSMouseHandler |
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67 { |
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68 public: |
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69 explicit QWSMouseHandler(const QString &driver = QString(), |
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70 const QString &device = QString()); |
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71 virtual ~QWSMouseHandler(); |
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72 |
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73 virtual void clearCalibration() {} |
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74 virtual void calibrate(const QWSPointerCalibrationData *) {} |
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75 virtual void getCalibration(QWSPointerCalibrationData *) const {} |
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76 |
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77 virtual void resume() = 0; |
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78 virtual void suspend() = 0; |
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79 |
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80 void limitToScreen(QPoint &pt); |
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81 void mouseChanged(const QPoint& pos, int bstate, int wheel = 0); |
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82 const QPoint &pos() const { return mousePos; } |
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83 |
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84 void setScreen(const QScreen *screen); |
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85 |
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86 protected: |
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87 QPoint &mousePos; |
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88 QWSMouseHandlerPrivate *d_ptr; |
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89 }; |
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90 |
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91 |
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92 class Q_GUI_EXPORT QWSCalibratedMouseHandler : public QWSMouseHandler |
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93 { |
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94 public: |
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95 explicit QWSCalibratedMouseHandler(const QString &driver = QString(), |
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96 const QString &device = QString()); |
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97 |
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98 virtual void clearCalibration(); |
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99 virtual void calibrate(const QWSPointerCalibrationData *); |
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100 virtual void getCalibration(QWSPointerCalibrationData *) const; |
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101 |
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102 protected: |
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103 bool sendFiltered(const QPoint &, int button); |
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104 QPoint transform(const QPoint &); |
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105 |
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106 void readCalibration(); |
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107 void writeCalibration(); |
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108 void setFilterSize(int); |
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109 |
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110 private: |
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111 int a, b, c; |
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112 int d, e, f; |
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113 int s; |
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114 QPolygon samples; |
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115 int currSample; |
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116 int numSamples; |
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117 }; |
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118 |
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119 QT_END_NAMESPACE |
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120 |
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121 QT_END_HEADER |
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122 |
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123 #endif // QMOUSE_QWS_H |