Widget::Widget(QWidget *parent) : QWidget(parent),

    ui(new Ui::Widget), data(new WidgetPrivate) {

    ui->setupUi(this);

    QGraphicsBlurEffect *effect = new QGraphicsBlurEffect(this);

    effect->setBlurRadius(1.5);

    QGraphicsDropShadowEffect *shadowEffect = new QGraphicsDropShadowEffect(this);

    shadowEffect->setBlurRadius(5);

    shadowEffect->setXOffset(2);

    shadowEffect->setYOffset(2);

    ui->checkBox->setGraphicsEffect(shadowEffect);

}