#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QtGui>

class MainWindow : public QWidget
{
    Q_OBJECT

public:
    MainWindow();

private slots:
    void showresult(const QString &);

private:
    QGridLayout *grid;
    QLineEdit *doubleedit;
    QLabel *lbdouble, *lbresult, *result;
    QDoubleValidator *vld;
};

#endif