texteditex.h

#ifndef TEXTEDITEX_H
#define TEXTEDITEX_H

#include <QTextEdit>

class TextEditEx : public QTextEdit {
    Q_OBJECT
public:
    TextEditEx(QWidget* parent = 0);
    void setPlainTextEx(const QString &text);
    const QString& getPreviousValue();
    const QString& getPlainTextEx();
signals:
    void updateSelf();
private slots:
    void updateInternals();
    void updateText();
private:
    QString previousText;
    QString text;
};

#endif // TEXTEDITEX_H