Re: gnome canvas item apears black on GTK-DirectFB

[Paul Davis <paul linuxaudiosystems com>]

On Mon, 2008-06-09 at 16:00 +0530, svalbard colaco wrote:
> Hi all,
>
> I have an application running on GTK-DirectFB and  its observed
> that  , a part of the window,
> which is a gnome canvas item is not rendered properly rather that
> entire vbox appears black,
> But when i click on , on a click_to_ add canvas item within that vbox
> it appears white as expected.

this happens on the quartz backend too, and is caused by the
non-standard update model used by the canvas. there is a relatively
simply fix on quartz. in the paint() function, the canvas should not be
delivery expose events to itself, but instead should call
gdk_window_invalidate_region().