#include <QtCore>
#include <QtGui>

class TApplication : public QApplication
{
Q_OBJECT
public:
	TApplication(int argc, char *argv[])
		:
		QApplication(argc, argv)
		{
			m_editor.setPlainText("Hello");
			connect(&m_editor, SIGNAL(textChanged()), this, SLOT(OnTextChanged()));
		}

	QPlainTextEdit	m_editor;

public slots:
	void	OnTextChanged()
	{
		QTextCursor tc = m_editor.textCursor();
		tc.movePosition(QTextCursor::Start, QTextCursor::MoveAnchor);
	}
};

int main(int argc, char *argv[])
{
	TApplication a(argc, argv);
	a.m_editor.show();
	return a.exec();
}

#include "main.moc"