replaced pointer by smart pointers

windowrace.h

@@ -23,9 +23,10 @@ class WindowRace : public QMainWindow {
     Q_OBJECT
 
   public:
-    explicit WindowRace(DataBase * db, QWidget * parent = 0);
+    explicit WindowRace(std::shared_ptr<DataBase> db,
+                        QWidget * parent = nullptr);
     ~WindowRace();
-    void setWindowRennliste(WindowRennliste * ptrInstance);
+    void setWindowRennliste(std::shared_ptr<WindowRennliste> ptrInstance);
     void setDriverAndCar(vector<QString> vec);
     void setDriverAndCarId(vector<QString> vec);
 
@@ -37,8 +38,8 @@ class WindowRace : public QMainWindow {
 
     void closeEvent(QCloseEvent * event);
     bool started;
-    Countdown * countdown;
-    HardwareSetup * Hardware;
+    std::shared_ptr<Countdown> countdown;
+    std::shared_ptr<HardwareSetup> Hardware;
     Ui::WindowRace * ui;
     Counter counterShell;
     Counter counterDea;
@@ -51,12 +52,12 @@ class WindowRace : public QMainWindow {
     long getMinimum(std::vector<long> a);
     QString timeWrapper(long zahl);
     long countdownValue; // in sec
-    Ampel * startAmpelThread;
+    std::shared_ptr<Ampel> startAmpelThread;
     int ampelCounter;
     bool paused;
-    DataBase * db;
+    std::shared_ptr<DataBase> db;
     bool finished;
-    WindowRennliste * wRennliste;
+    std::shared_ptr<WindowRennliste> wRennliste;
     bool wRennlisteSeted;
     int fahrzeit;
     int renn_id;