Re: gnome canvas item apears black on GTK-DirectFB
- From: Paul Davis <paul linuxaudiosystems com>
- To: svalbard colaco <svalbardcolaco gmail com>
- Cc: gtk-devel-list gnome org, gtk-app-devel-list gnome org
- Subject: Re: gnome canvas item apears black on GTK-DirectFB
- Date: Mon, 09 Jun 2008 07:44:55 -0400
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().
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