import pygtk$
pygtk.require("2.0")$
import gtk$
$
items = ['a', 'b', 'c', 'd']$
$
def callback(*params):$
    print params$
$
model = gtk.ListStore(str)$
model.connect("rows-reordered", callback)$
#model.connect("row-changed", callback)$
for i in items:$
    model.append((i,))$
$
w = gtk.Window()$
w.connect("destroy", gtk.main_quit)$
v = gtk.TreeView(model)$
v.set_size_request(300, 200)$
v.set_reorderable(True)$
c = gtk.TreeViewColumn("File", gtk.CellRendererText(), text=0)$
v.append_column(c)$
$
w.add(v)$
w.show_all()$
gtk.main()$