update a wigdet in a thread is no allow?

[lanmanck]

thanks.
could you show me how to use the update() member function(to paint a QImage to my custom widget area)?
it seems like no examples available....
now i use this method:

void WidgetVideoArea::paintEvent(QPaintEvent*pPaintEvent)
{
	if(repaintme)
	{
		target.setX(0);
		target.setY(0);
		target.setWidth(width());
		target.setHeight(height());
 
		painter.begin(this);
		painter.drawImage(target,image);
		painter.end();
 
		repaintme = false;
	}
}

void WidgetVideoArea::paintEvent(QPaintEvent*pPaintEvent)
{
	if(repaintme)
	{
		target.setX(0);
		target.setY(0);
		target.setWidth(width());
		target.setHeight(height());
	
		painter.begin(this);
		painter.drawImage(target,image);
		painter.end();

		repaintme = false;
	}
}

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