Re: Migrating to gtkmm 2.4, cellrenderer problems

[Murray Cumming <murrayc murrayc com>]

On Fri, 2005-03-04 at 14:01 -0300, Leandro Fanzone wrote:
> I am migrating code from gtkmm 2.0 to gtkmm 2.4, and I have some custom 
> cellrenderer code that I copied from someone of this list without 
> understanding quite completely the inner working of it. It's a 
> cellrenderer to show a fixed point number in a TreeView.

append_numerical() might do what you want more easily.

>  I managed to 
> understand that generate_cellrenderer was moved from 
> TreeViewColumn_CellRendererGeneration to CellRenderer_Generation, but 
> the last line from this following code still puzzles me:
> 
> unsigned  n = TreeView.append_column("Precio", RendererPrecio); // 
> RendererPrecio => custom cellrenderer for fixed point numbers, based on 
> CellRendererText
> Gtk::TreeViewColumn *pColumn = TreeView.get_column(n-1);
> pColumn->add_attribute(RendererPrecio.property_amount(), cols.Precio);
> RendererPrecio.property_editable() = true;
> RendererPrecio.signal_edited().connect(SigC::bind(SigC::slot(TreeView,
>       
> &Gtk::TreeView::_auto_store_on_cellrenderer_text_edited_numerical<Util::Amount>),
>       cols.Precio.index()) );

You should not be using this in your own code. Methods that start with _
are private and will change whenever we like.

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