FreeLists / haiku-appserver / [haiku-appserver] Re: DisableUpdates() / EnableUpdates()

[Adi Oanca <adioanca@xxxxxxxxx>]

DarkWyrm wrote:
> > Hi,
> >
> >
> >     I have a problem with these methods:
> >
> > DisableUpdates() , EnableUpdates()
> > 	These functions disable automatic updating within the window, and 
> > re-enable it again. Any drawing that's done while updates are 
> > disabled 
> > is suppressed until updates are re-enabled. If you're doing a lot of 
> > drawing within the window, and you want the results of the drawing to 
> > appear all at once, you should disable updates, draw, and then re-
> > enable 
> > updates.
> >
> > 	How do you think we should implement this? Do you how this is 
> > implemented in R5? Any other information related to these 2 methods?
> >
> > 	I think that to do what the BeBook says ("the drawing to appear all 
> > at 
> > once") we should draw in a bitmap and when EnableUpdates() is called, 
> > copy/blit that bitmap in window's visible area.
> >
> > 	Thoughts? Opinions?

	Well, I just had a look at Be's sample code, and I think the answer is 
quite simple: Don't send _UPDATE_ message(s) until EnableUpdates() is 
called. Yes... I think it is THAT simple. :-)

> Not that my opinion counts much anymore on the server

    Hm... are left stepping into this day?
        Of course IT COUNTS! You are the Team Leader! ;-)

> (I'm *so* out of the loop)

	Doesn't matter. You can come back at any moment. Things are getting 
simpler and simpler in the server. :-)



Have a fun night! (I will! I'm going to the 6th wedding this year! :-) )
Adi.