On Thu, Jan 2, 2014 at 1:53 AM, wrote:
> I find that I have to re-paint the whole widget every time I call an
> update(), as I have create a new QPainter() instance. Is there a way to
> update only a small part of the widget, while retaining the rest of the
> widget?
In general, it would help
Hi all,
I am sub-classing the paintevent at the moment to create a 2D plot.
I find that I have to re-paint the whole widget every time I call an update(),
as I have create a new QPainter() instance. Is there a way to update only a
small part of the widget, while retaining the rest of the widget
