Havoc Pennington wrote:
>
> John Cupitt <[EMAIL PROTECTED]> writes:
> > I looked at gdk, and I think gdk_window_set_background() does
> > XSetWindowBackground( color->pixel ), so I'm not sure this will work :-(
> >
> > You can give NULL to gdk_window_set_back_pixmap(), but that doesn't seem
> > to help me either.
>
> It looks like set_back_pixmap(window, NULL) should work. Doesn't it
> work for you?
>
> Havoc
Ooops, yes it does, I was setting the wrong window :-( Thanks very much
for checking.
Anyway, it works now. I found three techniques ... subclass
drawing_area, implement widget->realize(), and either:
- gdk_window_set_back_pixmap( widget->window, NULL, FALSE );
- gdk_window_set_static_gravities( widget->window, TRUE );
(I think this only works if the server correctly implements
the gravity tricks used for guffaw scrolling)
- include <gdk/gdkx.h>, and call XChangeWindowAttributes() to turn
on NorthWest bit_gravity
(I think this works everywhere, but obviously makes it rather
X-specific)
John
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