calibration.h Example File
qws/mousecalibration/calibration.h

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 #ifndef CALIBRATION_H
 #define CALIBRATION_H

 #include <QDialog>
 #include <QWSPointerCalibrationData>

 class Calibration : public QDialog
 {
 public:
     Calibration();
     ~Calibration();
     int exec();

 protected:
     void paintEvent(QPaintEvent*);
     void mouseReleaseEvent(QMouseEvent*);
     void accept();

 private:
     QWSPointerCalibrationData data;
     int pressCount;
 };

 #endif