Re: Treeview with editable checkboxes besides items?

[Jef Driesen <jefdriesen hotmail com>]

Jef Driesen wrote:
> Milosz Derezynski wrote:
> > That's not really how this works. Instead:
> >
> > - You associate the renderer with an e.g. boolean column:
> > column->add_property (*cell, "active",
> > your_column_record_instance.bool_col);
> > - You connect to the toggled() signal: cell->signal_toggled().connect
> > (sigc::mem_fun (*this, &YourClass::callback_toggled))
> > - In the handler you do something like:
> >
> > void
> > callback_toggled (Glib::ustring const& string_path)
> > {
> >   TreeIter iter = your_model->get_iter (string_path);
> >   (*iter)[your_column_instance.bool_col] = !bool
> > ((*iter)[your_column_instance.bool_col]));
> > }
>
> This approach works fine. Thanks!
>
> There is one minor issue now. Clicking the name (not the checkbox!) also 
> toggles the checkbox. This is annoying if the user only wants to change 
> the selection. Is there a way to prevent this? Changing the name works 
> more intuitive: the first click changes the selection and editing starts 
> with another click.

To answer my own question: This effect can be obtained by changing the 
mode for the CellRendererText:

renderer->property_mode() = Gtk::CELL_RENDERER_MODE_ACTIVATABLE;