Create function, add path data and interaction

mainwindow.h

@@ -3,6 +3,8 @@
 
 #include <QMainWindow>
 
+#include "path.h"
+
 QT_BEGIN_NAMESPACE
 namespace Ui {
 class MainWindow;
@@ -24,9 +26,14 @@ public:
     void addNewStep();
     void exportHTMLMap();
 
+private slots:
+    void on_pushButton_clicked();
+
 private:
     Ui::MainWindow *ui;
     QString currentFile;
     bool textChanged;
+    QList<Path*> path;
+    Path* currentPath;
 };
 #endif // MAINWINDOW_H