[pitivi] curve.py,utils.py: move between() function to utils

[Edward Hervey <edwardrv src gnome org>]

commit 2c09a610000d076be0a1ae0af38de9ea667ff8ad
Author: Brandon Lewis <brandon_lewis alum berkeley edu>
Date:   Fri Dec 18 12:54:14 2009 -0800

    curve.py,utils.py: move between() function to utils

 pitivi/ui/curve.py |    4 +---
 pitivi/utils.py    |    3 +++
 2 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/ui/curve.py b/pitivi/ui/curve.py
index 96e5029..5eedc92 100644
--- a/pitivi/ui/curve.py
+++ b/pitivi/ui/curve.py
@@ -33,9 +33,7 @@ from pitivi.ui.view import View
 from pitivi.ui.controller import Controller
 from pitivi.ui.common import LAYER_HEIGHT_EXPANDED
 import pitivi.ui.point as point
-
-def between(a, b, c):
-    return (a <= b) and (b <= c)
+from pitivi.utils import between
 
 def intersect(b1, b2):
     return goocanvas.Bounds(max(b1.x1, b2.x1), max(b1.y1, b2.y1),
diff --git a/pitivi/utils.py b/pitivi/utils.py
index ef6ef49..4f6e3fc 100644
--- a/pitivi/utils.py
+++ b/pitivi/utils.py
@@ -34,6 +34,9 @@ import cProfile
 
 UNKNOWN_DURATION = 2 ** 63 - 1
 
+def between(a, b, c):
+    return (a <= b) and (b <= c)
+
 def time_to_string(value):
     """
     Converts the given time in nanoseconds to a human readable string