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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>t11/cannon.h Example File</h1>
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| 33 |
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| 34 |
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| 35 | <pre>/****************************************************************
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| 36 | **
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| 37 | ** Definition of CannonField class, Qt tutorial 11
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| 38 | **
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| 39 | ****************************************************************/
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| 40 |
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| 41 | #ifndef CANNON_H
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| 42 | #define CANNON_H
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| 43 |
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| 44 | class QTimer;
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| 45 |
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| 46 |
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| 47 | #include <<a href="qwidget-h.html">qwidget.h</a>>
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| 48 |
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| 49 |
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| 50 | class CannonField : public <a href="qwidget.html">QWidget</a>
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| 51 | {
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| 52 | Q_OBJECT
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| 53 | public:
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| 54 | CannonField( <a href="qwidget.html">QWidget</a> *parent=0, const char *name=0 );
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| 55 |
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| 56 | int angle() const { return ang; }
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| 57 | int force() const { return f; }
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| 58 | <a href="qsizepolicy.html">QSizePolicy</a> sizePolicy() const;
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| 59 |
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| 60 | public slots:
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| 61 | void setAngle( int degrees );
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| 62 | void setForce( int newton );
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| 63 | void shoot();
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| 64 |
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| 65 | private slots:
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| 66 | void moveShot();
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| 67 |
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| 68 | signals:
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| 69 | void angleChanged( int );
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| 70 | void forceChanged( int );
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| 71 |
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| 72 | protected:
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| 73 | void paintEvent( <a href="qpaintevent.html">QPaintEvent</a> * );
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| 74 |
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| 75 | private:
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| 76 | void paintShot( <a href="qpainter.html">QPainter</a> * );
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| 77 | void paintCannon( <a href="qpainter.html">QPainter</a> * );
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| 78 | <a href="qrect.html">QRect</a> cannonRect() const;
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| 79 | <a href="qrect.html">QRect</a> shotRect() const;
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| 80 |
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| 81 | int ang;
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| 82 | int f;
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| 83 |
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| 84 | int timerCount;
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| 85 | <a href="qtimer.html">QTimer</a> * autoShootTimer;
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| 86 | float shoot_ang;
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| 87 | float shoot_f;
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| 88 | };
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| 89 |
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| 90 |
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| 91 | #endif // CANNON_H
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| 92 | </pre><!-- eof -->
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| 97 | <td align=right><div align=right>Qt 3.3.8</div>
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