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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