Re: Size allocation and redrawing issues

[Tim Janik <timj gtk org>]

On 4 Nov 2001, Owen Taylor wrote:

> Soeren Sandmann <sandmann daimi au dk> writes:

> > >  - Invalidation when a widget is resized or moved is "shallow" as 
> > >    described above - only the windows that need to be invalidated
> > >    are invalidated.
> > 
> > There are still some calls to queue_clear that invalidates
> > _everything_ on opaque resize, including one in
> > gtk_widget_queue_resize, so your patch doesn't actually reduce the
> > amount of redrawing. It is easy to remove this invalidation, though.
> 
> I've fixed some places in my commit for reduced invalidation on
> opaque resize.
> 
>  - make queue_resize() invalidate shallowly, not deeply.

i don't like this very much. i can't quite pinpoint my feeling currently,
but i thing queue_resize should at a minimum invalidate the widget and
all its immediate children.

> 
>                                         Owen
> 

---
ciaoTJ