From 191bd7687e73f0b5ea357374b38490cd8dcc07d1 Mon Sep 17 00:00:00 2001
From: Mathieu Virbel <mat@kivy.org>
Date: Tue, 12 Apr 2011 17:28:13 +0200
Subject: [PATCH] lang: Allow binding properties in kvlang for more than one
 level of indirection

---
 kivy/lang.py | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/kivy/lang.py b/kivy/lang.py
index c95805203..d57ab0ccc 100644
--- a/kivy/lang.py
+++ b/kivy/lang.py
@@ -706,11 +706,14 @@ def create_handler(element, key, value, idmap):
     # bind every key.value
     for x in kw:
         k = x.split('.')
-        if len(k) != 2:
-            continue
         f = idmap[k[0]]
-        if hasattr(f, 'bind'):
-            f.bind(**{k[1]: call_fn})
+        try:
+            for x in k[1:-1]:
+                f = getattr(f, x)
+            if hasattr(f, 'bind'):
+                f.bind(**{k[-1]: call_fn})
+        except AttributeError:
+            continue
 
     return eval(value, _eval_globals, idmap)