i connect this in a (lets say setting.cpp), the slot is in another (lets say node.cpp)

Qt Code: 
  1. connect(ui.EDnameTxt, SIGNAL(textChanged(QString)), Node, SLOT(setText(QString)));
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but when i compile it give me this error,

1>.\settingswindow.cpp(57) : error C2275: 'Node' : illegal use of this type as an expression
1> c:\texas instruments\node.h(62) : see declaration of 'Node'

whats wrong with the declartion of my node.h???

Qt Code: 
  1. class Node : public QGraphicsItem, public QObject
  2. {
  3. 	Q_OBJECT
  4.  
  5. public:
  6.     typedef enum{ACCESS_POINT, END_DEVICE}NODE_TYPE;
  7.     typedef struct
  8.     {
  9.         NODE_TYPE	type;
  10.         int			addr;
  11.         int			xPos;
  12.         int			yPos;
  13. 		int			strength;
  14.         float		temp;
  15.         float		voltage;
  16. 		int			re;
  17.  
  18. 		int			t_time_on;
  19. 		int			fadeNumber;
  20. 		int			fadeTime;
  21. 		int			newNode;
  22. 		int			deletedNode;
  23.  
  24.     }NODE_DATA;
  25.  
  26. 		QBrush fill[40];
  27.     Node(NetworkView *networkView);
  28. 	NODE_DATA nodeData;
  29.     void addEdge(Edge *edge);
  30.     QList<Edge *> edges() const;
  31.  
  32.     enum { Type = UserType + 1 };
  33.     int type() const { return Type; }
  34.  
  35.     bool advance();
  36.  
  37.     QRectF boundingRect() const;
  38.     QPainterPath shape() const;  
  39. 	void EDnamePreset();
  40.     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
  41.  
  42.  
  43.     void setNodeData(int index);
  44.     void updateData(int index);
  45. 	void AlertMessage();
  46.     int getElapsedTime();
  47.     void removeEdge(int childAddr = 0);
  48.     int getAddr() { return nodeData.addr; }
  49.     float getTemp() { return nodeData.temp; }
  50.     int getType() { return nodeData.type; }
  51.     void setTempUnit();
  52.     void setColor(const NODE_TYPE type);
  53. 	int Node::find_active_node();
  54. 	void Node::current_updateData(int index);
  55.  
  56. 	int timerId () const; 
  57.  
  58. 	/*struct colors{
  59. 		int alpha;
  60. 		int r;
  61. 		int g;
  62. 		int b;
  63. 		int newnodeflag;
  64. 		int delnodeflag;
  65. 	};
  66. 	struct colors node_colors[100];*/
  67. public slots:
  68. 	void EDnameChanged(int);
  69. 	void setText(const QString &newText){text = newText;}
  70.  
  71. protected:
  72.     QVariant itemChange(GraphicsItemChange change, const QVariant &value);
  73.  
  74.     void timerEvent(QTimerEvent *);
  75.  
  76.    // NODE_DATA nodeData;
  77.  
  78. private:
  79. 	Ui_SettingsWindow ui;
  80.     QList<Edge *> edgeList;
  81.     QPointF newPos;
  82.     NetworkView *graph;
  83. 	QPixmap pixmap,alpha_pix,back_pix,pixmap2,pix;
  84.  
  85.     QColor nodeColor;
  86.     QColor nodeColorDark;
  87. 	QColor AlertColor;
  88. 	QColor AlertColorDark;
  89. 	QColor DisAlertColorDark;
  90. 	QColor DisAlertColor;
  91.  
  92. 	QFont modeFont;
  93. 	QFont addrFont;
  94. 	QFont tempFont;
  95. 	QFont battFont;
  96. 	QFont strengthFont;
  97.     QFont timeFont;
  98. 	QFont end_deviceFont;
  99. 	QFont keyFont;
  100. 	QFont smallFont;
  101. 	QFont txFont;
  102.  
  103.     QTime timeStamp;
  104. 	QDate dateStamp;
  105.  
  106.     NodeDb *pNodeDb;
  107.  
  108.     // Flag used to highlight node.
  109.     bool updated;
  110.     int updateTimerId,fade_speed,updateTimerId2,updateTimerId3;
  111.  
  112.     bool celsius;
  113. 	qreal arrowSize;
  114. 	double alertTemp;
  115. 	int alertDistance;
  116. 	int edStrength;
  117. 	QString nodeName;
  118. 	QString EDname;
  119. 	QString text;
  120. 	QString EDnameText;
  121. };
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