I haven't looked at your source code - on dial up from home and doesn't
support... yada yada yada...
But, in AWT, the trick to this was to override the "public void update(
Graphics g )" method to do nothing, or to call the paint method, e.g.
public void update( Graphics g ) {
paint( g );
}
However, I don't know if you're still meant to do this or whether Opaque
does it for you.
BTW - it occurs to me, that it might be better if you had a third
component, which was the parent of the both the components. You
would^H^H^H^H^Hshould have much more control then.
*shrug*
Sorry if I'm talking a load of tosh.
Best Regards
Nicholas
> On Wed, 2 May 2001, Vella, John wrote:
> I have a repaint problem that involves needing to manage the repaint of one
> component entirely from the repaint code of another component. For
> architectural reasons of my app, I have the following layout
> configuration(both components are just extended JPanels):
> ______________________________
> [ Comp A | Comp B ]
> [__________|___________________]
>
> In the figure above, Comp B draws various text strings, some of which need
> to straddle the boundary between Comp A and itself. This means Comp B has to
> draw "outside" of itself. I can't seem to figure out how to prevent Swing's
> RepaintManager from clearing the background of Comp A(even after setting
> Comp A to being opaque).
>
> I've attached a simple test app that shows this problem. The goal is to
> modify the code to allow the text strings that are drawn outside of the
> middle component to be updated while you drag the scrollbar.
>
> IS ANYONE UP TO THIS CHALLENGE?
>
> Thanks,
>
> John
> <<foo.java>>
>
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