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    41 

    42 #include "calibration.h"

    43 

    44 #include <QWSPointerCalibrationData>

    45 #include <QPainter>

    46 #include <QFile>

    47 #include <QTimer>

    48 #include <QApplication>

    49 #include <QDesktopWidget>

    50 #include <QMouseEvent>

    51 #include <QScreen>

    52 #include <QWSServer>

    53 

    54 //! [0]

    55 Calibration::Calibration()

    56 {

    57     QRect desktop = QApplication::desktop()->geometry();

    58     desktop.moveTo(QPoint(0, 0));

    59     setGeometry(desktop);

    60 

    61     setFocusPolicy(Qt::StrongFocus);

    62     setFocus();

    63     setModal(true);

    64 //! [0]

    65 

    66 //! [1]

    67     int width = qt_screen->deviceWidth();

    68     int height = qt_screen->deviceHeight();

    69 

    70     int dx = width / 10;

    71     int dy = height / 10;

    72 

    73     QPoint *points = data.screenPoints;

    74     points[QWSPointerCalibrationData::TopLeft] = QPoint(dx, dy);

    75     points[QWSPointerCalibrationData::BottomLeft] = QPoint(dx, height - dy);

    76     points[QWSPointerCalibrationData::BottomRight] = QPoint(width - dx, height - dy);

    77     points[QWSPointerCalibrationData::TopRight] = QPoint(width - dx, dy);

    78     points[QWSPointerCalibrationData::Center] = QPoint(width / 2, height / 2);

    79 //! [1]

    80 

    81 //! [2]

    82     pressCount = 0;

    83 }

    84 //! [2]

    85 

    86 //! [3]

    87 Calibration::~Calibration()

    88 {

    89 }

    90 //! [3]

    91 

    92 //! [4]

    93 int Calibration::exec()

    94 {

    95     QWSServer::mouseHandler()->clearCalibration();

    96     grabMouse();

    97     activateWindow();

    98     int ret = QDialog::exec();

    99     releaseMouse();

   100     return ret;

   101 }

   102 //! [4]

   103 

   104 //! [5]

   105 void Calibration::paintEvent(QPaintEvent*)

   106 {

   107     QPainter p(this);

   108     p.fillRect(rect(), Qt::white);

   109 

   110     QPoint point = data.screenPoints[pressCount];

   111 

   112     // Map to logical coordinates in case the screen is transformed

   113     QSize screenSize(qt_screen->deviceWidth(), qt_screen->deviceHeight());

   114     point = qt_screen->mapFromDevice(point, screenSize);

   115 

   116     p.fillRect(point.x() - 6, point.y() - 1, 13, 3, Qt::black);

   117     p.fillRect(point.x() - 1, point.y() - 6, 3, 13, Qt::black);

   118 }

   119 //! [5]

   120 

   121 //! [6]

   122 void Calibration::mouseReleaseEvent(QMouseEvent *event)

   123 {

   124     // Map from device coordinates in case the screen is transformed

   125     QSize screenSize(qt_screen->width(), qt_screen->height());

   126     QPoint p = qt_screen->mapToDevice(event->pos(), screenSize);

   127 

   128     data.devPoints[pressCount] = p;

   129 

   130     if (++pressCount < 5)

   131         repaint();

   132     else

   133         accept();

   134 }

   135 //! [6]

   136 

   137 //! [7]

   138 void Calibration::accept()

   139 {

   140     Q_ASSERT(pressCount == 5);

   141     QWSServer::mouseHandler()->calibrate(&data);

   142     QDialog::accept();

   143 }

   144 //! [7]

   145