#include "mainwindow.h" #include "gamewindow.h" #include "ui_mainwindow.h" int difficulty=1; MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); setFixedSize(1500, 720); setWindowTitle("Sudoku Game"); } MainWindow::~MainWindow() { delete ui; } void MainWindow::on_pushButton_clicked() { this->hide(); temp=new GameWindow(); temp->show(); temp->exec(); this->show(); } void MainWindow::on_pushButton_2_clicked() { this->close(); } void MainWindow::on_pushButton_3_clicked() { diy=new GameWindow3(0); this->hide(); diy->on_pushButton_7_clicked(); diy->show(); diy->exec(); this->show(); }