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58 lines
1.0 KiB
58 lines
1.0 KiB
14 years ago
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/****************************************************************
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**
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** Definition of CannonField class, Qt tutorial 11
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**
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****************************************************************/
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#ifndef CANNON_H
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#define CANNON_H
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class QTimer;
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#include <qwidget.h>
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class CannonField : public QWidget
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{
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Q_OBJECT
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public:
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CannonField( QWidget *parent=0, const char *name=0 );
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int angle() const { return ang; }
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int force() const { return f; }
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QSizePolicy sizePolicy() const;
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public slots:
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void setAngle( int degrees );
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void setForce( int newton );
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void shoot();
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private slots:
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void moveShot();
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signals:
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void angleChanged( int );
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void forceChanged( int );
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protected:
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void paintEvent( QPaintEvent * );
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private:
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void paintShot( QPainter * );
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void paintCannon( QPainter * );
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QRect cannonRect() const;
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QRect shotRect() const;
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int ang;
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int f;
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int timerCount;
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QTimer * autoShootTimer;
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float shoot_ang;
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float shoot_f;
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};
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#endif // CANNON_H
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