Segmentation fault

app.h

@@ -7,12 +7,12 @@
 
 class App : public QObject, public interface::iStompObserver {
 public:
-    App();
+    App(Stomp* st);
     ~App() = default;
 
     // iStompObserver interface
 private:
-    void connectConfirmation(bool success, int version);
+    void connectConfirmation(bool success, QString version);
     void sendConfirmation(bool success);
     void subscribeConfirmation(bool success);
     void receiveIndication(int id, QString destination, QString body);
@@ -20,7 +20,25 @@ private:
     void disconnectIndication();
 
 private:
-    Stomp st;
+    Stomp* st_;
+
+    typedef struct {
+        int x;
+        int y;
+        int pts;
+    } Gem;
+
+    typedef struct {
+        int x;
+        int y;
+        bool me;
+    } Vehicle;
+
+    QVector<Gem> gems_;
+    Vehicle myVehicle_;
+    void addGem(int x, int y, int pts);
+    void fillField(QString body);
+
 };
 
 #endif // APP_H