[Qt-interest] Model/View speed of Models with many many itemsand item changes

Scott Aron Bloom Scott.Bloom at sabgroup.com
Sat Jun 13 18:55:00 CEST 2009


> On Saturday 13 June 2009 01:09:04 RZ wrote:
> > But the block signals effect was quite overwhelming and sufficient -
> > so I stopped optimizing everything else ;-)
> 
> As far as I know this means all the update signals are then send
afterwards.
> Which mean after changing 10.000 data points, instead of a continuous
stream
> of 10.000 dataChanged(index) signals, you will get them all after the
signals
> are unblocked again. 

This is simply not true...  Blocked signals are lost for good.  You are
thinking events.





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