Russian Qt Forum

C++ (Qt)
#ifndef WIDGET_H
#define WIDGET_H
 
#include <QDialog>
#include <QtGui>
#include <QtNetwork/QTcpSocket>
 
class QTcpSocket;
 
class Widget : public QDialog
{
    Q_OBJECT
 
public:
    Widget(QWidget *parent = 0);
    ~Widget();
 
private:
    QTextEdit* m_text_mess;
    QPushButton* m_send_push;
    QHBoxLayout* layout;
 
    QTcpSocket *m_tcpSocket;
    quint16 blockSize;
 
private slots:
    void slotConnected();
};
 
#endif // WIDGET_H
 

C++ (Qt)
#include "widget.h"
 
Widget::Widget(QWidget *parent)
    : QDialog(parent),m_tcpSocket(0)
{
    m_tcpSocket = new QTcpSocket(this);
    m_text_mess = new QTextEdit(this);
    m_send_push = new QPushButton(this);
    layout = new QHBoxLayout(this);
 
    connect(m_send_push,SIGNAL(clicked()),this,SLOT(slotConnected()));
 
 
 
    layout->addWidget(m_text_mess);
    layout->addWidget(m_send_push);
    setLayout(layout);
 
 
 
}
 
void Widget::slotConnected(){
    if(!m_tcpSocket){
        blockSize = 0;
        m_tcpSocket->connectToHost("mail.ru",110);
            if(m_tcpSocket->isOpen()){
                m_text_mess->append("1111111111111");
            }
    }
}
 
Widget::~Widget()
{
 
}
 

D:\QT\projects\post\post-build-desktop-Qt_4_8_0__4_8_0_________\..\post\widget.cpp:6: ошибка: undefined reference to `_imp___ZN10QTcpSocketC1EP7QObject'
D:\QT\projects\post\post-build-desktop-Qt_4_8_0__4_8_0_________\..\post\widget.cpp:6: ошибка: undefined reference to `_imp___ZN10QTcpSocketC1EP7QObject'
D:\QT\projects\post\post-build-desktop-Qt_4_8_0__4_8_0_________\..\post\widget.cpp:26: ошибка: undefined reference to `_imp___ZN15QAbstractSocket13connectToHostERK7QStringt6QFlagsIN9QIODevice12OpenModeFlagEE'
:-1: ошибка: collect2: ld returned 1 exit status