From kfm-devel  Sun Jun 23 22:51:36 2002
From: Dirk Mueller <mueller () kde ! org>
Date: Sun, 23 Jun 2002 22:51:36 +0000
To: kfm-devel
Subject: Re: Text Selection Speed
X-MARC-Message: https://marc.info/?l=kfm-devel&m=102487284904182

On Son, 23 Jun 2002, Koos Vriezen wrote:


> On Sun, 23 Jun 2002, Dirk Mueller wrote:
> 
> > On Son, 23 Jun 2002, Koos Vriezen wrote:
> >
> > > movies. The whole page is repainted all the time when repainting is
> > > delayed to 40 ms (which speed up text selection).
> > > BTW what do you think of not re-rescheduling repainting of rectangles?
> >
> > Sorry ?
> QUpperLeftRect.unite(QLowerRightRect)

Well, collapsing several rectangular repaint requests certainly makes sense, 
thats why we introduced the "scheduling". 

> > But nodeAtPoint is virtual, and is reimplmented in RenderFlow.
> How common is that to have specialObjects? 

Very. There is basically no non-trivial page without dozens of them.  

> Don't use the cache in that
> case or make it a separate function that could be called first.

Possible. but you have to check them in the right order.. just checking the 
specialobjects alone isn't enough. 


Dirk