qt_client/mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QTcpSocket>
QT_BEGIN_NAMESPACE
namespace Ui
{
    class MainWindow;
}
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();
public slots:
    void start_connet();
    void stop_connet();
    void connected();
    void send_cmd();
    void receive_cmd();
private:
    Ui::MainWindow *ui;
    QTcpSocket *tcp_socket;
};
#endif // MAINWINDOW_H