Re: Pixbufs in ComboBox columns

[Murray Cumming <murrayc murrayc com>]

On Thu, 2006-03-16 at 20:08 -0700, Rick L Vinyard Jr wrote:
> I have a model that looks like this:
> 
> class ModelColumns: public Gtk::TreeModelColumnRecord {
>   public:
>     ModelColumns() {
>       add(picture);
>       add(name);
>     }
>     
>     Gtk::TreeModelColumn<Glib::RefPtr<Gdk::Pixbuf> > picture;
>     Gtk::TreeModelColumn<Glib::ustring> name;
>   };
> 
> After doing "all the other stuff" like declaring an instance of the
> ColumnRecord, creating a ListStore instance, loading the pixbufs (tested
> the pixbufs in a Gtk::Image and they're fine), filling the model, etc.,
> I'm adding the columns with just:
>   pack_start(columns.picture);
>   pack_start(columns.name);
> 
> 
> But, I'm getting errors like below:
> 
> (process:23146): GLib-GObject-CRITICAL **: gtype.c:2215: initialization
> assertion failed, use IA__g_type_init() prior to this function

That code is somehow running before Gtk::Main runs, I guess. Maybe it's
a static instance, or a member of a static instance.

[snip]
> But, the ComboBox interface doesn't have a method that accepts a
> TreeViewColumn. Any suggestions or examples on how to approach putting a
> pixbuf into a ComboBox column?

That should work fine. Try changing/patching an example in gtkmm to
double-check.

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