--- a/mainwindow.h	Sun Jan 22 22:53:56 2012 +0100
+++ b/mainwindow.h	Tue Jan 24 01:38:43 2012 +0100
@@ -12,15 +12,15 @@
   public:
    MainWindow(QWidget *parent = 0);
    ~MainWindow();
-  protected slots:
-   void open();
+  public slots:
+   void open(const QString& = "");
   private:
 
    Ui::MainWindow *ui; 
-   QFile currentFile;
-   QTextStream input;
+   QFile currentFile_;
+   QTextStream input_;
 
-   IGC	igc;
+   IGC	igc_;
 
 };