--- a/urwid_satext/sat_widgets.py	Mon Sep 08 15:42:25 2014 +0200
+++ b/urwid_satext/sat_widgets.py	Mon Sep 08 15:42:25 2014 +0200
@@ -28,6 +28,22 @@
 FOCUS_KEYS = (a_key['FOCUS_SWITCH'], a_key['FOCUS_UP'], a_key['FOCUS_DOWN'])
 
 
+def getFocusDirection(key, inversed=False):
+    """Return direction and rotate boolean depending on key
+    @param key: one of FOCUS_KEYS
+    @param inversed: inverse directions if True
+    @return (tuple): (direction, rotate) where
+        - direction is 1 or -1
+        - rotate is False if we should stop at the begin/end of the widgets list
+    """
+    if not inversed:
+        direction = 1 if key in (a_key['FOCUS_SWITCH'], a_key['FOCUS_UP']) else -1
+    else:
+        direction = -1 if key in (a_key['FOCUS_SWITCH'], a_key['FOCUS_DOWN']) else 1
+    rotate = key == a_key['FOCUS_SWITCH']
+    return direction, rotate
+
+
 class AdvancedEdit(urwid.Edit):
     """Edit box with some custom improvments
     new chars:
@@ -1119,7 +1135,7 @@
 
 
 class FocusFrame(urwid.Frame):
-    """Frame-like which manage 'tab' key"""
+    """Frame-like which manage SàT Focus Keys"""
 
     def keypress(self, size, key):
         ret = super(FocusFrame, self).keypress(size, key)
@@ -1127,8 +1143,7 @@
             return
 
         if key in FOCUS_KEYS:
-            direction = 1 if key in (a_key['FOCUS_SWITCH'], a_key['FOCUS_UP']) else -1
-            rotate = key == a_key['FOCUS_SWITCH']
+            direction, rotate = getFocusDirection(key, inversed=True)
 
             selectables = [] # keep positions which exists and have a selectable widget
             for position in reversed(self):