C++ (Qt)
#ifndef TEXTEDIT_H
#define TEXTEDIT_H
 
#include <QWidget>
 
class TextEdit : public QWidget
{
    Q_OBJECT
 
private:
    bool firstSourceOpen;
 
public:
    explicit TextEdit(QWidget *parent = 0);
 
signals:
 
public slots:
 
};
 
#endif // TEXTEDIT_H