mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QMessageBox>
#include "login.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::on_pushButton_2_clicked()
{
    QString login_reg = ui->reg_login->text();
    QString password_reg = ui->reg_password->text();
    QString password_reg_ref = ui->reg_password_ref->text();


    if( password_reg == password_reg_ref) {
        QMessageBox::information(this,"Регистрация", "Вы успешно зарегистрировались!");
        hide();
        windowe = new login(this);
        windowe->show();
    } else {
        QMessageBox::warning(this,"Регистрация", "Пароли не совпадают!");
    }
}