#include "monitor.h"
#include <QPainter>

Monitor::Monitor(QWidget *parent) : QWidget(parent)
{
    resize(800, 600);
}

void Monitor::paintEvent(QPaintEvent *) {
    QPainter painter(this);
    painter.drawLine(80, 100, 650, 500);
    painter.setPen(Qt::red);
    painter.drawRect(10, 10, 100, 400);
    painter.setPen(QPen(Qt::green, 5));
    painter.setBrush(Qt::blue);
    painter.drawEllipse(50, 150, 400, 200);
}