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List:       kde-devel
Subject:    Re: Kde3 suggestion -- alpha channel use
From:       Joerg Walter <ehrlich () ich ! bin ! kein ! hoschi ! de>
Date:       2001-10-22 15:43:57
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On Tue, Oct 16, 2001 at 08:02:11PM +0100, Rik Hemsley wrote:

> > What would work *very* well, although that is even less trivial, is to have 
> > "decent" transparency - say 50% for all windows, but make all non-foreground 
> > windows out-of-focus (ie. pass through a slight low-pass filter, like 5 point 
> > weighted average, or similar). That would work miracles, and I would buy a 
> > 24-pack of decent beer of choice to anybody who does that.
> 
> We tried to do something like this last year, where unfocussed windows
> were 'greyed out' (contrast reduced).
> 
> It looked beautiful, and made it much more obvious which was the active
> window, also reducing distraction of the eye.
> 
> I don't know what happened to this. Perhaps M. Ettrich knows, I think
> I was talking to him about it.

This sounds VERY interesting. Suppose I would try to add something like
that (I like the low-pass filter idea), wouldn't it be easiest to do it
in QWidget? I didn't do KDE/Qt programming for a long time, and I don't
know if I have time for that now, but just to estimate the neccessary work,
how were it done best? (Not counting the 'real' transparency stuff, which
we have to wait for)

-- 
CU
	Joerg

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