Re: libglademm & derived widgets: "typedef struct GtkHBox Gtk::HBox::BaseObjectType' is inaccessible"

[Murray Cumming <murrayc murrayc com>]

On Sun, 2006-01-22 at 12:22 +0000, John Spray wrote:
> Hello,
> 
> I'm trying to use a derived type (from Gtk::HBox) in a libglademm
> interface.  However, for the line where I call get_widget_derived on the
> xml object, I get an error like:
> 
> GTabular.C:77:   instantiated from here
> /home/jcs116/.local/include/gtkmm-2.4/gtkmm/box.h:498: error: 'typedef
> struct GtkHBox Gtk::HBox::BaseObjectType' is inaccessible
> /home/jcs116/.local/include/libglademm-2.4/libglademm/xml.h:236: error:
> within this context
> 
> My derived type is defined at file scope, and is defined as:
> 
> class GtkLengthEntry : Gtk::HBox {

By default, in C++, inheritance is private (or protected. I forget), not
public. Try

class GtkLengthEntry : public Gtk::HBox {

[snip]

-- 
Murray Cumming
murrayc murrayc com
www.murrayc.com
www.openismus.com