Mi a hiba? (c++, Qt) (Dialógus ablak Emil, név bekérése)

//main.cpp

#include "contactdialog.h"

#include <QApplication>

#include<QtGui>

#include<QString>

#include<QGroupBox>

#include<QLabel>

#include<QLineEdit>

#include <QPushButton>

#include<QGridLayout>

#include<QVBoxLayout>

#include<QHBoxLayout>

#include<QMessageBox>

#include<QStringBuilder>

int main(int argc, char *argv[])

{

QApplication app(argc, argv);

ContactDialog *dlg = new ContactDialog();

dlg->exec();

QMessageBox msg;

msg.setWindowTitle("Eredmény:");

QString message =

"Név: " % dlg->getName() %

", email: " % dlg->getEmail() %

(dlg->result()==QDialog::Accepted

?"(jóváhagva)"

:"(nincs jóváhagyva)");

msg.setText(message);

msg.show();

return app.exec();

}

//contactdialog.cpp

#include "contactdialog.h"

#include<QtGui>

#include<QString>

#include<QGroupBox>

#include<QLabel>

#include<QLineEdit>

#include <QPushButton>

#include<QGridLayout>

#include<QVBoxLayout>

#include<QHBoxLayout>

ContactDialog::ContactDialog(QWidget *parent)

: QDialog(parent)

{

this->setWindowTitle("Új bejegyzés");

group =new QGroupBox;

lblName = new QLabel("NÉV:");

lblEmail =new QLabel("Emil:");

txtName = new QLineEdit();

txtEmail = new QLineEdit();

grid = new QGroupBox("Adatok:");

grid->addWidget(lblName, 0,0);

grid->addWidget(txtName, 0,1);

grid->addWidget(lblEmail,1,0);

grid->addWidget(txtEmail, 1,1);

gruop->setLayout(grid);

btnOk= new QPushButton("Rendben:");

btnCancel = new QPushButton("Mégsem");

buttonLayout = new QHBoxLayout;

buttonLayout-> addStretch();

buttonLayout->addWidget(btnOk);

buttonLayout->addWidget(btnCancel);

mainLayout = new QVBoxLayout;

this->setLayout(mainLayout);

mainLayout->addWidget(group);

mainLayout->addStretch();

mainLayout->addLayout(buttonLayout);

connect(btnOk, SIGNAL(clicked()),this, SLOT(accept()));

connect(btnCancel, SIGNAL(clicked()),this, SLOT(reject()));

}

QString ContactDialog::getName()

{return txtName->text();}

QString ContactDialog::getEmail()

{return txtEmail->text();}

//contactdialog.h

#ifndef CONTACTDIALOG_H

#define CONTACTDIALOG_H

#include<QtGui>

#include<QString>

#include<QGroupBox>

#include<QLabel>

#include<QLineEdit>

#include <QPushButton>

#include<QGridLayout>

#include<QVBoxLayout>

#include<QHBoxLayout>

class ContactDialog : public QDialog

{

Q_OBJECT

public:

ContactDialog(QWidget *parent = 0);

QString getName();

QString getEmail();

private:

QGroupBox *group;

QLabel *lblName;

QLabel *lblEmail;

QLineEdit *txtName;

QLineEdit *txtEmail;

QPushButton *btnOk;

QPushButton *btnCancel;

QGridLayout *grid;

QVBoxLayout *mainLayout;

QHBoxLayout *buttonLayout;

};

#endif // CONTACTDIALOG_H