void SimpleExampleWidget::paintEvent(QPaintEvent *){ QPainter painter(this); painter.setPen(Qt::blue); painter.setFont(QFont("Arial", 30)); painter.drawText(rect(), Qt::AlignCenter, "Qt");}
QWidget::paintEngine: Should no longer be calledQPainter::begin: Paint device returned engine == 0, type: 1QPainter::setPen: Painter not activeQPainter::setFont: Painter not active
QPainter painter( viewport() );