op/MainWindow.cpp

#include "MainWindow.h"
#include "ui_MainWindow.h"
#include <QKeyEvent>

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

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

void MainWindow::keyPressEvent(QKeyEvent* event)
{
    if(event->key() == Qt::Key_1)
    {
        std::cout << "Simulating system suspend..." << std::endl;
        openCLManager->handleSuspendResume(true); //Simulate suspend
    }
    else if(event->key() == Qt::Key_2)
    {
        std::cout << "Simulating system resume..." << std::endl;
        openCLManager->handleSuspendResume(false); //Simulate resume
    }
}