fixed few critical bugs

ad_graphics.h

@@ -10,44 +10,44 @@
 
 class AD_Graphics: public QGraphicsView
 {
-	Q_OBJECT
-	Q_PROPERTY(bool building READ building WRITE setBuilding)
+    Q_OBJECT
+    Q_PROPERTY(bool building READ building WRITE setBuilding)
 public:
-	explicit AD_Graphics(AD_Core * core, QWidget * parent = 0);
-	~AD_Graphics();
+    explicit AD_Graphics(AD_Core * core, QWidget * parent = 0);
+    ~AD_Graphics();
 
-	bool building() const
-	{
-		return m_building;
-	}
+    bool building() const
+    {
+        return m_building;
+    }
 
 public slots:
-	void setBuilding(bool arg)
-	{
-		m_building = arg;
-	}
+    void setBuilding(bool arg)
+    {
+        m_building = arg;
+    }
 
 private:
     void drawBackground(QPainter * p, const QRectF &);
-	void drawForeground(QPainter *painter, const QRectF &rect);
-	void mousePressEvent(QMouseEvent *event);
+    void drawForeground(QPainter *painter, const QRectF &rect);
+    void mousePressEvent(QMouseEvent *event);
 
-	QGraphicsScene * scene;
-	AD_Core * core;
-	QImage * mapimg;
-	Game_Data * data;
+    QGraphicsScene * scene;
+    AD_Core * core;
+    QImage * mapimg;
+    Game_Data * data;
 
-	bool m_building;
+    bool m_building;
 
 private slots:
 
 protected:
 
-//	void timerEvent(QTimerEvent * );
+    void timerEvent(QTimerEvent * );
 signals:
 
-	void cancel();
-	void add_tow(QPoint pnt);
+    void cancel();
+    void add_tow(QPoint pnt);
     void tower_select(QPoint id);
     void alien_select(int id);
 };