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< pre > /****************************************************************
**
** Definition of CannonField class, TQt tutorial 10
**
****************************************************************/
#ifndef CANNON_H
#define CANNON_H
#include < < a href = "qwidget-h.html" > ntqwidget.h< / a > >
class CannonField : public < a href = "ntqwidget.html" > TQWidget< / a >
{
Q_OBJECT
public:
CannonField( < a href = "ntqwidget.html" > TQWidget< / a > *parent=0, const char *name=0 );
< a href = "ntqsizepolicy.html" > TQSizePolicy< / a > sizePolicy() const;
int angle() const { return ang; }
int force() const { return f; }
public slots:
void setAngle( int degrees );
void setForce( int newton );
signals:
void angleChanged( int );
void forceChanged( int );
protected:
void paintEvent( < a href = "qpaintevent.html" > TQPaintEvent< / a > * );
private:
< a href = "ntqrect.html" > TQRect< / a > cannonRect() const;
int ang;
int f;
};
#endif // CANNON_H
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