On Sat, 2007-06-02 at 12:26 +0100, Robert Pearce wrote:
> Guys,
>
> I'm sure somebody here recently posted advice about tagging TreeModel entries
> with arbitrary data using a hidden column.
>
> I have an application where a ListStore is shown in a TreeView and each row
> needs to be associated with an instance of a data class. At the moment it's a
> horrid kludge because there is a std::vector of the data instances that needs
> to be kept in the same order as the ListStore. So I tried to take the advice
> I thought I'd read here.
>
> class DLF_ModelColumns : public Gtk::TreeModel::ColumnRecord
> {
> public:
> Gtk::TreeModelColumn<Glib::ustring> varname;
> Gtk::TreeModelColumn<Glib::ustring> value;
> Gtk::TreeModelColumn<Glib::ustring> units;
> Gtk::TreeModelColumn<Glib::ustring> description;
> #ifndef SEPARATE_LIST_OF_ITEMS
> // Gtk::TreeModelColumn< Glib::RefPtr<DLF_ScreenItem> > dataitem;
> Gtk::TreeModelColumn<DLF_ScreenItem*> dataitem;
> // Gtk::TreeModelColumn< Glib::Value<DLF_ScreenItem*> > dataitem;
> #endif
> Gtk::TreeModelColumn<int> objindex;
>
> DLF_ModelColumns() {
> add(varname); add(value); add(units); add(description);
> #ifndef SEPARATE_LIST_OF_ITEMS
> add(dataitem);
> #endif
> add(objindex);
> }
> };
have you tried the obvious:
Gtk::TreeModelColumn<DLF_ScreenItem*> dataitem;
?
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