[pygobject] Override Gtk.TreeView.get_visible_range to fix return

[Paolo Borelli <pborelli src gnome org>]

commit 8ca828825a2c47080055c5f986979aac8da9a93f
Author: Renà Stadler <rene stadler collabora co uk>
Date:   Mon Mar 5 21:10:55 2012 +0100

    Override Gtk.TreeView.get_visible_range to fix return
    
    Just like IconView.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=671409

 gi/overrides/Gtk.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gi/overrides/Gtk.py b/gi/overrides/Gtk.py
index 2b44282..42d36ac 100644
--- a/gi/overrides/Gtk.py
+++ b/gi/overrides/Gtk.py
@@ -1219,6 +1219,11 @@ class TreeView(Gtk.TreeView, Container):
         if success:
             return (path, column, cell_x, cell_y,)
 
+    def get_visible_range(self):
+        success, start_path, end_path = super(TreeView, self).get_visible_range()
+        if success:
+            return (start_path, end_path,)
+
     def get_dest_row_at_pos(self, drag_x, drag_y):
         success, path, pos = super(TreeView, self).get_dest_row_at_pos(drag_x, drag_y)
         if success: