Qt-interest Archive, September 1998
Re: flicker during resizing
Message 1 in thread
Marko Macek <markom@stealth.fri.uni-lj.si>
>
> This IS a Qt problem. The problem is that Qt sets the background
> color of the window. This means that the X server will always clear the
> window background before sending the expose event to the application,
> thus causing unavoidable flickering. Situation could be slightly improved
> if Qt did not set the window background color and manually cleared the
> window in situations where the redraw cannot be optimized not to require
> the clearing the background.
You can use QWidget::setBackgroundMode( NoBackground ) to avoid having
a background color in the Window.
- Eirik Aa.
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