int main(int argc, char **argv)
{
QApplication app(argc, argv, QApplication::GuiServer);
if (!QWSServer::mouseHandler())
qFatal("No mouse handler installed");
{
QMessageBox message;
message.setText("<p>Please press once at each of the marks "
"shown in the next screen.</p>"
"<p>This messagebox will timout after 10 seconds "
"if you are unable to close it.</p>");
QTimer::singleShot(10 * 1000, &message, SLOT(accept()));
message.exec();
}
Calibration cal;
cal.exec();
{
QMessageBox message;
message.setText("<p>The next screen will let you test the calibration "
"by drawing into a widget.</p><p>This program will "
"automatically close after 20 seconds.<p>");
QTimer::singleShot(10 * 1000, &message, SLOT(accept()));
message.exec();
}
ScribbleWidget scribble;
scribble.showMaximized();
scribble.show();
app.setActiveWindow(&scribble);
QTimer::singleShot(20 * 1000, &app, SLOT(quit()));
return app.exec();
}
class Calibration : public QDialog
{
public:
Calibration();
~Calibration();
int exec();
protected:
void paintEvent(QPaintEvent*);
void mouseReleaseEvent(QMouseEvent*);
void accept();
private:
QWSPointerCalibrationData data;
int pressCount;
};
Calibration::Calibration()
{
QRect desktop = QApplication::desktop()->geometry();
desktop.moveTo(QPoint(0, 0));
setGeometry(desktop);
setFocusPolicy(Qt::StrongFocus);
setFocus();
setModal(true);
int width = qt_screen->deviceWidth();
int height = qt_screen->deviceHeight();
int dx = width / 10;
int dy = height / 10;
QPoint *points = data.screenPoints;
points[QWSPointerCalibrationData::TopLeft] = QPoint(dx, dy);
points[QWSPointerCalibrationData::BottomLeft] = QPoint(dx, height - dy);
points[QWSPointerCalibrationData::BottomRight] = QPoint(width - dx, height - dy);
points[QWSPointerCalibrationData::TopRight] = QPoint(width - dx, dy);
points[QWSPointerCalibrationData::Center] = QPoint(width / 2, height / 2);
pressCount = 0;
}
Calibration::~Calibration()
{
}
int Calibration::exec()
{
QWSServer::mouseHandler()->clearCalibration();
grabMouse();
activateWindow();
int ret = QDialog::exec();
releaseMouse();
return ret;
}
void Calibration::paintEvent(QPaintEvent*)
{
QPainter p(this);
p.fillRect(rect(), Qt::white);
QPoint point = data.screenPoints[pressCount];
QSize screenSize(qt_screen->deviceWidth(), qt_screen->deviceHeight());
point = qt_screen->mapFromDevice(point, screenSize);
p.fillRect(point.x() - 6, point.y() - 1, 13, 3, Qt::black);
p.fillRect(point.x() - 1, point.y() - 6, 3, 13, Qt::black);
}
void Calibration::mouseReleaseEvent(QMouseEvent *event)
{
QSize screenSize(qt_screen->width(), qt_screen->height());
QPoint p = qt_screen->mapToDevice(event->pos(), screenSize);
data.devPoints[pressCount] = p;
if (++pressCount < 5)
repaint();
else
accept();
}
void Calibration::accept()
{
Q_ASSERT(pressCount == 5);
QWSServer::mouseHandler()->calibrate(&data);
QDialog::accept();
}
