Re: Changing TreeView Cell Renderers

[Bob Caryl <bob fis-cal com>]

Murray Cumming wrote:
> On Fri, 2005-03-18 at 15:53 -0600, Bob Caryl wrote:
>  
> > Hello all,
> >
> > I'm trying to use a treeview and I would like to have a boolean field in 
> > the data to be rendered as a checkbox and be editable.
> >
> > The code I'm using looks like this:
> >
> >    class ModelColumns : public Gtk::TreeModel::ColumnRecord       
> >    {                                                               
> >    public:
> >        ModelColumns()
> >        {     add(m_disp);
> >            add(m_check);
> >            add(m_tag);
> >            add(m_desg);
> >            add(m_exec);
> >        }
> >        Gtk::TreeModelColumn<Glib::ustring> m_disp;                    
> > // column for menu display text
> >        Gtk::TreeModelColumn<gboolean> m_check; 
> >    
>
> C++ has bool. gboolean is actually an int, used in C because it does not
> have bool.
>
> Just use append_column() with a bool column and you will get a checkbox
> by default.
>               
>  
> > // column for check button
> >        Gtk::TreeModelColumn<Glib::ustring> m_tag;                    // 
> > column for menu xml tag
> >        Gtk::TreeModelColumn<Glib::ustring> m_desg;                    
> > // column for menu designator text
> >        Gtk::TreeModelColumn<Glib::ustring> m_exec;                    
> > // column for menu action text.
> >    };
> >
> >    ModelColumns m_columns;                                            
> > // columns for Gtk::ListStore object
> >    Glib::RefPtr<Gtk::TreeStore> list;                                // 
> > our listore object for the treeview
> >
> >
> >    list = Gtk::TreeStore::create(m_columns);
> >    tree->append_column_editable(" SEL ", m_columns.m_check);   
> >    tree->append_column(" Name ", m_columns.m_disp);   
> >
> >    Gtk::CellRendererToggle *toggle = new Gtk::CellRendererToggle;
> >    Gtk::TreeView::Column *pColumn = tree->get_column(0);
> >    pColumn->clear();
> >    pColumn->pack_start(*toggle);
> >
> >
> > The foregoing code does indeed place a checkbox type renderer in the 
> > column cell, but it does not appropriately display the data, nor is it 
> > editable.  Oh yeah, that code does not appear inline like that in the 
> > app.. just wanted to show all the declarations and definitions.
> >
> > Any ideas on what I'm omitting or doing wrong here?
> >
> > Thanks,
> > Bob Caryl
> >    
>
>  
That did the trick Murray!  You da man!

Thanks!

Bob Caryl