From 4c9c1a5aac721184c7a33d2aa532e798137b5fe1 Mon Sep 17 00:00:00 2001
From: legikaloz <zegasys@gmail.com>
Date: Thu, 2 Aug 2012 16:23:22 +0300
Subject: [PATCH] Step property to use slider with fixed intervals

---
 kivy/uix/slider.py | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/kivy/uix/slider.py b/kivy/uix/slider.py
index 90e31f660..b0d3ef7cd 100644
--- a/kivy/uix/slider.py
+++ b/kivy/uix/slider.py
@@ -86,6 +86,15 @@ class Slider(Widget):
     (:data:`min`, :data:`max`)
     '''
 
+    step = NumericProperty(1)
+    '''Step size of the slider
+        Determines the size of each interval or step the slider takes between
+        min and max. If the value range can't be evenly divisible by step the
+        last step will be capped by slider.max
+    :data:`step` is a :class:`~kivy.properties.NumericProperty`, default to
+        1.
+    '''
+
     def get_norm_value(self):
         vmin = self.min
         d = self.max - vmin
@@ -95,7 +104,11 @@ class Slider(Widget):
 
     def set_norm_value(self, value):
         vmin = self.min
-        self.value = value * (self.max - vmin) + vmin
+        val = value * (self.max - vmin) + vmin
+        if self.step == 1:
+            self.value = val
+        else:
+            self.value = min(round((val-vmin)/self.step)*self.step,self.max)
     value_normalized = AliasProperty(get_norm_value, set_norm_value,
                                      bind=('value', 'min', 'max'))
     '''Normalized value inside the :data:`range` (min/max) to 0-1 range::