mainwindow.h Example File

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 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H

 #include <QMainWindow>

 #include "ui_schema.h"

 class MainWindow : public QMainWindow,
                    private Ui::SchemaMainWindow
 {
     Q_OBJECT

   public:
     MainWindow();

   private Q_SLOTS:
     void schemaSelected(int index);
     void instanceSelected(int index);
     void validate();
     void textChanged();

   private:
     void moveCursor(int line, int column);
 };
 #endif