Re: Enable drag and drop for treeview?

[Jef Driesen <jefdriesen hotmail com>]

Chris Vine wrote:
> On Fri, 2007-05-04 at 09:20 +0200, Jef Driesen wrote:
> > Does this method also work well with a sorted treemodel? Because the 
> > simple set_reorderable() does not seem to work in that case. Once the 
> > model is sorted (by clicking on a treeview column header), drag and drop 
> > is not possible anymore.
>
> You cannot drag and drop within any one sorted tree view, because it is
> meaningless (you cannot change the order of one row against another in a
> sorted view).  The same constraint would not arise when dragging between
> widgets and should not be an issue, I imagine.  You could try it out
> using Paul's approach.

I understand, but I was more thinking about a Gtk::TreeStore, where I 
want to allow moving a subtree under another parent. Even if the model 
is sorted, this type of move is still not mutually exclusive with the 
sorting.