[Plasma Media Center] some advice request

[Aaron J. Seigo]

On June 4, 2010, Alessandro Diaferia wrote:
> At the very beginning we had the idea to put a plain VideoWidget behind the
> transparent-made containment (really, the Plasma::View)
> but IIRC this is not possible as long as there is a window registered as
> desktop in the WM.

the PMC (plasma media center) window isn't a desktop window, so this isn't an 
issue. PMC is a "stays on top", fullscreen window. the video just needs to be 
stack beneath it without any other windows in between. (really, a job for the 
window manager, but for now we'll have to manage that on our own ... it also 
means that PMC will not work non-full screen very well since the geometry of 
the windows would need to be sync'd.) this, btw,  is exactly what LinuxMCE 
does.

another approach might be to make it a kwin plugin, and have the video window 
rendered beneath the PMC window using a compositing plugin. this plugin would 
need to know what the video window is and what the PMC window is (can be done 
using XAtoms specific to the plugin) and then render the video window under 
the PMC window and not using the normal rendering. one of the KWin people 
might be able to help guide us here in how best to make that happen, and the 
plugin could probably ship with PMC itself. this would tie PMC to kwin, but it 
would also mean that it would work just great non-fullscreen and without any 
window management hacks in PMC itself.

CC'ing the kwin list to see what they think of that.

> How should I handle such events in order to allow further extension via
> other kind of input devices? Any hint for me?

QGesture may be of help here.

-- 
Aaron J. Seigo
humru othro a kohnu se
GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA  EE75 D6B7 2EB1 A7F1 DB43

KDE core developer sponsored by Qt Development Frameworks
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