#include <qvalidator.h>#include "hexspinbox.h"HexSpinBox::HexSpinBox(QWidget *parent, const char *name)    : QSpinBox(parent, name){    QRegExp regExp("[0-9A-Fa-f]+");    setValidator(new QRegExpValidator(regExp, this));    setRange(0, 255);}QString HexSpinBox::mapValueToText(int value){    return QString::number(value, 16).upper();}int HexSpinBox::mapTextToValue(bool *ok){    return text().toInt(ok, 16);}