Re: Drawing on top of GnomeCanvas?

[Gustavo Carneiro <gjc inescporto pt>]

On Mon, 2002-05-13 at 16:04, Chris Nystrom wrote:
> On 11 May 2002, Gustavo J A M Carneiro wrote:
>
> > Later, I draw a rectangle with:
> >     gdk_gc_set_line_attributes(gc, 3, self->line_style,                           
> > GDK_CAP_NOT_LAST,
> >                            GDK_JOIN_MITER);
> >     gdk_draw_rectangle(drawable, gc, FALSE, x, y, width, height);
> >
> >   However, I can't see anything at all!
>
> Where later?
>
> I think you need to draw in the expose event.

  No no! I want to perform a rubber-banding effect using XOR lines. I
*have* to draw at any time, in response to mouse events. I'm drawing but
I cannot see anything. Any suggestion?

> Hope that helps.
>
> Chris
> ccn olenska hn org
>
>
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-- 
Gustavo João Alves Marques Carneiro
<gjc inescporto pt> <gustavo users sourceforge net>