Hello,

On Friday, December 31, 2010 03:23:39 am Rubanov Ivan wrote:
> I would like to understand a graphical architecture of
> MeeGo handset. Actually, I'm trying to analyze

Graphical architecture is handled by the kernel, with 
several API's (esp. Qt) to access it.

> how a graphical subsystem works? My main aim is to have
> clear vision of components hierarchy, relation between
> components and what should be done to replace default
> home screen application completely. Thanks,

I don't know what you're looking for WRT to "components 
hierarchy" -- but if you're just trying to replace the GUI 
front-end (called the UX, or User eXperience)... it works 
like this:

* init starts an application called `uxlaunch`

* uxlaunch starts the UX configured in
  /etc/sysconfig/uxlaunch

* uxlaunch also scans the folder /etc/xdg/autostart
  and launches many of the .desktop files found 
  there.  Some of those will (or will not) fire
  depending on what the top-level UX is.

-gabriel
  
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