Re: drawing area and expose event

[Havoc Pennington <hp redhat com>]

<hunchback netcabo pt> writes:
> >  Then I  attached an "expose-event"  to the drawing area and in the callback I put >the same
> >  function(drawing fuction) and  it draws properly .
> >  Do we always need to attach the expose event to the drawing area to draw >anything on it .
> >  Is there any other way where I can force the drawing .
> 
> i also did something similar, and the only way it worked was connecting to 
> expose-event, i think that it is always necessary to do that because the area is only 
> showed when gtk_main_init starts, so when you try to paint on the area before that 
> you are painting on something that does not exist... so in order to it happear, it is 
> only painted when the drawing-area is exposed.
> 
> Somebody correct me if i'm wrong...
> 

You're exactly right.

Havoc