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+/****************************************************************
+**
+** Definition of CannonField class, TQt tutorial 11
+**
+****************************************************************/
+
+#ifndef CANNON_H
+#define CANNON_H
+
+class TQTimer;
+
+
+#include <qwidget.h>
+
+
+class CannonField : public TQWidget
+{
+ Q_OBJECT
+public:
+ CannonField( TQWidget *parent=0, const char *name=0 );
+
+ int angle() const { return ang; }
+ int force() const { return f; }
+ TQSizePolicy sizePolicy() const;
+
+public slots:
+ void setAngle( int degrees );
+ void setForce( int newton );
+ void shoot();
+
+private slots:
+ void moveShot();
+
+signals:
+ void angleChanged( int );
+ void forceChanged( int );
+
+protected:
+ void paintEvent( TQPaintEvent * );
+
+private:
+ void paintShot( TQPainter * );
+ void paintCannon( TQPainter * );
+ TQRect cannonRect() const;
+ TQRect shotRect() const;
+
+ int ang;
+ int f;
+
+ int timerCount;
+ TQTimer * autoShootTimer;
+ float shoot_ang;
+ float shoot_f;
+};
+
+
+#endif // CANNON_H