dummy.h

#ifndef _PROGRAM_H
#define _PROGRAM_H


#include <QApplication>
#include <QMainWindow>
#include <QVBoxLayout>
#include <QSlider>
#include <QLineEdit>
#include <QMessageBox>
#include <QtCore/QDebug>

class MainWindow: public QMainWindow {
    Q_OBJECT
    QSlider *slider;
    QLineEdit *lineEdit;

public:
    MainWindow();
    ~MainWindow();

private slots:
    void onValueChanged(int value);
};

#endif