Re: custom treemodel and cell renderers

[eric jrdn2 <eric_jrdn2 yahoo fr>]

Sorry for the noise.
1) is for the Treeview to access the treemodel
2) is for the treemodel to access the data

eric jrdn2 wrote:
> Hi all,
> i'm building a treeview on a custom treemodel based on std::vector.
> My wish is to build it without knowing the number and the type of the 
> treecolumns at build time.
> I decided to come back to more fondamental widgets to do it, i.e. 
> implementing this with cellrenderers.
> My question is this one. I don't know if i give you enough informations 
> to have an answer. Sorry for my misunderstanding. I'm lost in the 
> documentation.
>
> Why does the data access must be implemented in two methods?
>
> 1) 
> m_TreeviewColum.set_cell_data_func(m_CellRendererText,sigc::mem_fun(*this,&class::access));
> for each CellRenderer to access the data
>
>
> and
> 2) virtual void get_value_vfunc(const TreeModel::iterator& iter, int 
> column, Glib::ValueBase& value) const;
> which should be overwritten when implementing a customtreemodel?
>
> Eric
>
>
> 	
>
> 	
> 		
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