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Step property to use slider with fixed intervals

This commit is contained in:
legikaloz 2012-08-02 16:23:22 +03:00
parent 094d9f97ea
commit 4c9c1a5aac
1 changed files with 14 additions and 1 deletions
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15
kivy/uix/slider.py
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@ -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::