Russian Qt Forum

void Glass::paintEvent(QPaintEvent *event)
{
    QPainter painter(this);
    painter.setRenderHint(QPainter::Antialiasing, true);
    painter.setBrush(QBrush(Qt::red, Qt::DiagCrossPattern));
    painter.setPen(QPen(Qt::blue, 3, Qt::DashLine));
    painter.drawRect(QRect(10, 10, 110, 70));
}

void Glass::paintEvent(QPaintEvent *event)
{
    QPainter painter(this);
    painter.setRenderHint(QPainter::Antialiasing, true);
    painter.setBrush(QBrush(Qt::red, Qt::DiagCrossPattern));
    painter.setPen(QPen(Qt::blue, 3, Qt::DashLine));
    int x=10;
    int y = 10;
    painter.drawRect(QRect(x, y, 110, 70));
    for (int i=0; i<10; i++){
        x = x + 10;
        y = y + 10;
        painter.drawRect(QRect(x, y, 110, 70));
    }
}

#include "glass.h"
int i = 1;

Glass::Glass(){
    timer = new QTimer(this);
    connect(timer, SIGNAL(timeout()), this, SLOT(mover()));
    timer->start(50);
}

void Glass::paintEvent(QPaintEvent *event)
{
    QPainter painter(this);
    painter.setRenderHint(QPainter::Antialiasing, true);
    painter.setBrush(QBrush(Qt::red, Qt::DiagCrossPattern));
    painter.setPen(QPen(Qt::blue, 3, Qt::DashLine));
    int x=10;
    int y = 10;
    painter.drawRect(showRect());
}

QRect Glass::showRect(){
    QRect rect(20, 20, 20, 20);
    double x = i;
    double y = i;
    i = i + 2;
    rect.moveBottomRight(QPoint(x, y));
    return rect;
}

void Glass::mover(){
    update();
}