From: Chris C. <ca...@al...> - 2005-12-20 10:53:39
|
On Tuesday 20 Dec 2005 10:48, Guillaume Laurent wrote: > I think you have the guarantee that when you update(rect), the rect will be > among the ones in the QRegion of the next paint event, so it should work > correctly. I think scrolling may sometimes bugger that one up, for the viewport. I think I remember seeing situations in which two paint requests happened immediately after one another -- one for a scroll and one for an expose -- in an apparently unpredictable order, if scrolling while something that could cause exposures was also happening. But I can't remember the details, and I may be mistaken. Chris |