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<pre>/****************************************************************
**
** Definition of CannonField class, TQt tutorial 14
**
****************************************************************/

#ifndef CANNON_H
#define CANNON_H

class TQTimer;


#include &lt;<a href="tqwidget-h.html">tqwidget.h</a>&gt;


class CannonField : public <a href="tqwidget.html">TQWidget</a>
{
    TQ_OBJECT
public:
    CannonField( <a href="tqwidget.html">TQWidget</a> *parent=0, const char *name=0 );

    int   angle() const { return ang; }
    int   force() const { return f; }
    bool  gameOver() const { return gameEnded; }
    bool  isShooting() const;
    <a href="tqsize.html">TQSize</a> sizeHint() const;
    <a href="tqsizepolicy.html">TQSizePolicy</a> sizePolicy() const;

public slots:
    void  setAngle( int degrees );
    void  setForce( int newton );
    void  shoot();
    void  newTarget();
    void  setGameOver();
    void  restartGame();

private slots:
    void  moveShot();

signals:
    void  hit();
    void  missed();
    void  angleChanged( int );
    void  forceChanged( int );
    void  canShoot( bool );

protected:
    void  paintEvent( <a href="tqpaintevent.html">TQPaintEvent</a> * );
    void  mousePressEvent( <a href="qmouseevent.html">TQMouseEvent</a> * );
    void  mouseMoveEvent( <a href="qmouseevent.html">TQMouseEvent</a> * );
    void  mouseReleaseEvent( <a href="qmouseevent.html">TQMouseEvent</a> * );

private:
    void  paintShot( <a href="tqpainter.html">TQPainter</a> * );
    void  paintTarget( <a href="tqpainter.html">TQPainter</a> * );
    void  paintBarrier( <a href="tqpainter.html">TQPainter</a> * );
    void  paintCannon( <a href="tqpainter.html">TQPainter</a> * );
    <a href="tqrect.html">TQRect</a> cannonRect() const;
    <a href="tqrect.html">TQRect</a> shotRect() const;
    <a href="tqrect.html">TQRect</a> targetRect() const;
    <a href="tqrect.html">TQRect</a> barrierRect() const;
    bool  barrelHit( const <a href="tqpoint.html">TQPoint</a> &amp; ) const;

    int ang;
    int f;

    int timerCount;
    <a href="tqtimer.html">TQTimer</a> * autoShootTimer;
    float shoot_ang;
    float shoot_f;

    <a href="tqpoint.html">TQPoint</a> target;

    bool gameEnded;
    bool barrelPressed;
};


#endif // CANNON_H
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