webclient.cpp

#include "webclient.h"

Webclient::Webclient(QWidget *parent) :
    QWidget(parent)
{
    setupUi(this);

    m_socket = new QTcpSocket(this);
    connect(m_socket, &QTcpSocket::connected, this, &Webclient::connected);
    connect(m_socket, &QTcpSocket::readyRead, this, &Webclient::readyRead);
}

void Webclient::connected()
{
    m_socket->write(QString("GET / HTTP/1.1\r\nHost:" + m_hostname + "\r\n\r\n").toLocal8Bit());
}

void Webclient::readyRead()
{
   output->setText(m_socket->readAll());
   m_socket->disconnectFromHost();
}

void Webclient::on_startButton_clicked()
{
    output->clear();

    m_hostname = hostname->text();

    m_socket->connectToHost(m_hostname,m_port);

    if(!m_socket->waitForConnected(5000))
    {
        output->setText("connection not available");
    }
}