Re: Custom Widget, how to paint standard button backgrounds?

[Murray Cumming <murrayc murrayc com>]

On Tue, 2009-03-31 at 21:47 -0700, gafferuk wrote:
> I comes up with the following error; Gdk-CRITICAL **: gdk_draw_drawable:
> assertion `src != NULL' failed
> 
> nothing shows up.
> 
> any ideas?

Check for null pointers (or Glib::RefPtrs). Use valgrind. Use a
debugger. The usual stuff.

> 
> Murray Cumming wrote:
> > 
> > On Tue, 2009-03-31 at 01:18 -0700, gafferuk wrote:
> >> i have the following but does not work,
> > 
> > What exactly does not work?
> > 
> >>  any ideas?
> >> 
> >> bool MyWidget::on_expose_event(GdkEventExpose *event)
> >> {
> >> 
> >> Glib::RefPtr<Gdk::Pixmap> pixmap =
> >> get_style()->get_bg_pixmap(Gtk::STATE_NORMAL);
> >>         get_window()->draw_drawable
> >>         (
> >>                 get_style()->get_fg_gc(get_state()),
> >>   pixmap,
> >>                 event->area.x, event->area.y,
> >>                 event->area.x, event->area.y,
> >>                 event->area.width, event->area.height
> >>         );
> >>        
> >>         return false;
> >> } 
> >> 
> > -- 
> > murrayc murrayc com
> > www.murrayc.com
> > www.openismus.com
> > 
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> > 
> > 
> 
-- 
murrayc murrayc com
www.murrayc.com
www.openismus.com