Resolved: Gnome::Canvas my derived group won't display

[Martin Metzker <martinmetzker gmx net>]

Just in case people care:

I figured it out. These two lines

Gnome::Canvas::Pixbuf(m_group,0,0, /*(CCanvasGroupCounter++ & 1) ? whitetux:*/blacktux);
Gnome::Canvas::Text(m_group,0,whitetux->get_height(),"Hello world");

each need a new prepended. Could and should have seen that ...



Martin Metzker schrieb:
> Hi!
>
> I wrote this:
>
> class CCanvasGroup: public Gnome::Canvas::Group 
> {
> public:
> 	CCanvasGroup(Gnome::Canvas::Group&, double, double);
> protected:
>  
> private:
> 	Glib::RefPtr<Gdk::Pixbuf> whitetux;
> 	Glib::RefPtr<Gdk::Pixbuf> blacktux;
> 	Gnome::Canvas::Group m_group;
> };
>  
> CCanvasGroup::CCanvasGroup(Gnome::Canvas::Group& parent, double x, double y)
> :m_group(parent,x,y)
> {	
> 	std::cout << "CCanvasGroup";
> 	whitetux = Gdk::Pixbuf::create_from_file(STONE_WHITE);
> 	blacktux = Gdk::Pixbuf::create_from_file(STONE_BLACK);
>  
> 	Gnome::Canvas::Pixbuf(m_group,0,0, /*(CCanvasGroupCounter++ & 1) ? whitetux:*/blacktux);
> 	Gnome::Canvas::Text(m_group,0,whitetux->get_height(),"Hello world");
> 	std::cout << " done" << std::endl;
> }
>
> My mainwindow consists of a canvas and two buttons. One button simply places a Gnome::Canvas::Pixbuf, which works quite well. The other button is supposed to place a CCanvasGroup Object on the canvas. When i push the button i do get the output from the constructor, but nothing is displayed on the canvas. What did i forget?
>
>
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