Re: Treeview with editable checkboxes besides items?

[Jef Driesen <jefdriesen hotmail com>]

Murray Cumming wrote:
> On Tue, 2007-06-19 at 16:18 +0200, Jef Driesen wrote:
> > Murray Cumming wrote:
> > > On Tue, 2007-06-19 at 12:03 +0200, Jef Driesen wrote:
> > > > I still don't understand why I need to update the model myself with a 
> > > > CellRendererToggle. Because for a CellRendererText, all I need is:
> > > >
> > > > renderer->property_editable() = true; 
> > > No, that won't be enough.
> > >
> > > This is why we have the append_column_editable() helper methods:
> > > http://www.gtkmm.org/docs/gtkmm-2.4/docs/reference/html/classGtk_1_1TreeView.html#83d537226bbbb054aa792c03248e619f
> > I don't know why, but it *does* work here. I modified one of the 
> > examples of the gtkmm book to illustrate what I'm doing (see code below).
>
> It's possible that the cellrenderer is changing its appearance without
> causing the data in the model to change.

You were right. The model was never changed and I didn't noticed that.

Now I still wonder why I can make the CellRendererToggle editable 
without changing "property_activatable". Because for making a 
CellRendererText editable, "property_editable" is really required.