text: #ifndef JAHAN_H
  #define JAHAN_H
  
  #include <QMainWindow>
  #include <QKeyEvent>
  QT_BEGIN_NAMESPACE
  namespace Ui { class Jahan; }
  QT_END_NAMESPACE
  
  class Jahan : public QMainWindow
  {
      Q_OBJECT
  
  public:
      Jahan(QWidget *parent = nullptr);
      ~Jahan();
      void cashTransfer(int _cash, QString _origin, QString _destination,QString _cvv2,int _year,int _month,QString pass);
      QString nameCardchecker(QString _cardNum);
  private slots:
      void on_Find_btn_clicked();
  
      void on_from_line_textChanged(const QString &arg1);
  
      void on_to_line_textChanged(const QString &arg1);
  
      void on_Amount_line_textChanged(const QString &arg1);
  
      void on_CVV2_line_textChanged(const QString &arg1);
  
      void on_Instantpass_line_textChanged(const QString &arg1);
  
  private:
      Ui::Jahan *ui;
      void keyPressEvent(QKeyEvent *q);
  };
  #endif // JAHAN_H
  