#include #include "aboutwindow.h" #include "ui_aboutwindow.h" AboutWindow::AboutWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::AboutWindow) { ui->setupUi(this); } AboutWindow::~AboutWindow() { delete ui; } // ESC press event void AboutWindow::keyPressEvent(QKeyEvent *pressedKey) { if (pressedKey->key() == Qt::Key_Escape) close(); }