Qt-Interface For Volume Visualization - pille

#include
class Number : public QObject
{
Q_OBJECT
private:
int _value;
public:
Number() { _ value = 0; }
int value() const { return _value; }
public slots:
void setValue( int value)
{
if( value != _value )
{
_value = value;
emit valueChanged ( value );
}
}
signals:
void valueChanged( int new Value);
};
Qt – Signals & Slots