How do I create a treeview with treelist that has lines in GTK?

Question

As far as GTK is concern, the tree created is like this:

The code for this tree is obtained from here.

What I want to achieve is this:

This is from Eclipse. Most programs have the lines for trees as well. Those lines are necessary for me as my program will have a large tree.

Answer 1

You can enable these dashed lines with gtk_tree_view_set_enable_tree_lines. So, for Python you would simply call

treeview.set_enable_tree_lines(True)