replaced menu by toolbar

mainwindow.h

@@ -32,6 +32,7 @@
 #include <QCloseEvent>
 #include <unistd.h>
 #include <magic.h>
+#include <QComboBox>
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
@@ -131,8 +132,9 @@ class MainWindow : public QMainWindow
 
         void on_action_Settings_triggered();
 
+        void on_comboBox_currentIndexChanged(int index);
 
-    public slots:
+public slots:
         void on_buttonBox_accepted();
 
     signals: