Re: Gtk::TreeView cell background color

[Jason Burchfield <jason burchfield cas-inc com>]

luca wrote:

> Hello,
>
> Jason Burchfield wrote:
>
> > When I add a Gtk::TreeModelColumn<bool>, which uses a 
> > Gtk::CellRendererToggle, to a Gtk::TreeView and try to change the 
> > cell color I get a seg fault.
> > Is this a bug or am I doing something wrong.  All other columns work...
> >
> >
> > tv->append_column_editable( "Test", Columns.m_col_test );
> >
> >
> > void ColorRows( Gtk::TreeView* treeview ){
> >
> >    Gtk::CellRendererText* cell_renderer_text;
> >    Gtk::TreeViewColumn* color_column;
> >    vector<Gtk::TreeViewColumn*> columns = treeview->get_columns();
> >    Gtk::TreeModel::Children children = 
> > treeview->get_model()->children();
> >    Gtk::TreeModel::Row row;
> >    CModelColumns ModelColumns;
> >      for( int x = 0; x < children.size(); x++ ){
> >          row = *(children[x]);
> >              if( (x % 2) == 0 )                      
> > row[ModelColumns.m_col_color] = "grey";
> >                  else
> >            row[ModelColumns.m_col_color] = "white";
> >              for( int y = 0; y < columns.size(); y++ ){
> >                      color_column = treeview->get_column(y);
> >            Gtk::CellRenderer* cell_renderer = 
> > color_column->get_first_cell_renderer();
> >                              cell_renderer_text =
> >                        
> > dynamic_cast<Gtk::CellRendererText*>(cell_renderer);
>
>
> Here the dyn_cast will return 0, since the CellRendererToggle is not 
> related to CellRedererText in any way. I guess that you have simply to 
> replace CellRendererText with CellRendererToggle for the definition of 
> cell_renderer_text and in the dyn_cast too.
>
> Greetings,
> Luca
> _______________________________________________
> gtkmm-list mailing list
> gtkmm-list gnome org
> http://mail.gnome.org/mailman/listinfo/gtkmm-list
Thanks everyone

I just took out the dynamic_cast... don't know why I had it in there to 
begin with

Jason

--
Jason Burchfield
CAS, Inc.
(256) 971-6096
Jason Burchfield cas-inc com