KWin Dashboard effect

[Alexis Ménard]

Qt Animation can animate our Dashboard without pain...

2009/2/10 Martin Gräßlin <kde at martin-graesslin.com>

> Hi plasma-devs,
>
> I had the idea to improve the appearance of the plasma dashboard by using a
> KWin effect for it. Currently I have some proof-of-concept code, but there
> are
> still some issues ;-)
>
> The effect changes the brightness and satuation of all windows on the same
> screen as the dashboard (causing some problems for multi-screen setups, but
> I
> have some ideas to solve them ;-) ). That's the same way as dim inactive or
> dim screen for administration mode works. So we can have a nice animation
> instead of "it's just there".
>
> I changed the background of dashboard to be transparent, but nevertheless
> there is some black background. I have no idea where that comes from :-(
>
> My idea for the effect does not only include the way the background is
> changed.
> I would like to have a smooth transition. I have not yet tried anything but
> I
> would like to paint the windows transparent and raise the dashboard from
> desktop to the top and when deactivating the other way around. I think that
> could be a nice animation. If someone has a better idea please provide it
> ;-)
>
> But here is the next problem: the white flash when opening the dashboard.
> As
> long as there is this white flash an animation does not make any sense. So
> we
> have to get rid of it. What about never closing the dashboard widget? It is
> created during startup and just put behind the desktop. We could also use
> the
> existing effect to always hide it. Or just have it on top of the desktop
> and
> have the plasmoids live in there. That way we could also benefit in other
> effects. We already had requests to hide the plasmoids in e.g. coverswitch.
>
> Ah and we can use the effect to block things like present windows and
> desktop
> grid. Alt+Tab is not that easy to block but it would be possible as well.
> We
> just have to try hard enough ;-)
>
> Attached you find the current patch for dashboard and kwin. The kwin code
> is
> also available in my git branch
> (http://github.com/mgraesslin/kwin/tree/dashboard). The dashboard code is
> really just proof-of-concept ;-) Please give it a try and provide some
> feedback.
>
> Regards
> Martin
>
>
>
>
>
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