QPaint over Qlabel ?

[eth0]

Thanks for the ideas! I appreciate it.
aamer4yu, I have implemented your mousePressEvent idea, thanks!

tbcope, you said:

The painting should be done in your label or glwidget

I would like to futher this idea.
How exactly would I pass the paint event to the label?
Currently I have:

void Planning::paintEvent(QPaintEvent *event)
{
	QPainter paintme(this);
	paintme.drawLine(QLineF(10.0, 80.0, 90.0, 20.0));
}

void Planning::paintEvent(QPaintEvent *event)
{
	QPainter paintme(this);
	paintme.drawLine(QLineF(10.0, 80.0, 90.0, 20.0));
}

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I tried adding the following to the end of the paintEvent, but it doesn't seem to work:

QLabel::paintEvent(event);

QLabel::paintEvent(event);

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How exactly would I pass the paint operation to take place on the QLabel so that it appears on the pixmap?