Re: [E-devel] Ecore X: what if event.window == DefaultRootWindow()?

[Tilman S. <ti...@co...>]

Carsten Haitzler <ra...@ra...> [2004-08-23 10:43]:
> > the subject sucks, couldn't think of anything better, sorry :)
> > 
> > AFAIK, Ecore X users should *not* need to know the value of
> > DefaulRootWindow(...), since all the window handling functions provide
> > the "root window fallback" (if the passed window is zero, use the root
> > window instead).
> > 
> > Now basically, this works nicely, but there's a problem with the event
> > structures. Imagine an Ecore_X_Event_Mouse_Button_Down event occurs on
> > the root window:
> > 
> > The window variable in the event structure will contain the *real* value
> > of the default root window, not zero.
> > 
> > So if I want to check for events on the root window, I still need to
> > know the value of DefaultRootWindow(...), I cannot just check for zero.
> > 
> > Should this issue be addressed?
> > 
> > I'd just check whether event.window equals our root window, if the check
> > succeeds, replace it with zero.
> > 
> > Comments? :)
> 
> here's the problem. you DO need to know root window values as in multihead (NOT
> xinerama) you have multiple root windows. sure - there's a default root, but you
> need to know all. :)

Mmmmh yeah, okay. IMHO this makes the default root fallback kinda
useless, though ;)

-- 
Regards,
Tilman