Slider¶

The Slider widget looks like a scrollbar. It supports horizontal and vertical orientation, min/max and a default value.
To create a slider from -100 to 100 starting at 25:
from kivy.uix.slider import Slider
s = Slider(min=-100, max=100, value=25)
To create a vertical slider:
from kivy.uix.slider import Slider
s = Slider(orientation='vertical')
- class kivy.uix.slider.Slider(**kwargs)¶
Bases: kivy.uix.widget.Widget
Class for creating Slider widget.
Check module documentation for more details.
- max¶
Maximum value allowed for value.
max is a NumericProperty, default to 100.
- min¶
Minimum value allowed for value.
min is a NumericProperty, default to 0.
- orientation¶
Orientation of the slider.
orientation is an OptionProperty, default to ‘horizontal’. Can take a value of ‘vertical’ or ‘horizontal’.
- padding¶
Padding of the slider. The padding is used for graphical representation and interaction. It prevents the cursor from going out of the bounds of the slider bounding box.
By default, padding is 10. The range of the slider is reduced from padding * 2 on the screen. It allows drawing a cursor of 20px width, without having the cursor going out of the widget.
padding is a NumericProperty, default to 10.
- range¶
Range of the slider, in the format (minimum value, maximum value):
>>> slider = Slider(min=10, max=80) >>> slider.range [10, 80] >>> slider.range = (20, 100) >>> slider.min 20 >>> slider.max 100
range is a ReferenceListProperty of (min, max)
- step¶
Step size of the slider.
New in version 1.4.0.
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
step is a NumericProperty, default to 1.
- value¶
Current value used for the slider.
value is a NumericProperty, default to 0.
- value_normalized¶
Normalized value inside the range (min/max) to 0-1 range:
>>> slider = Slider(value=50, min=0, max=100) >>> slider.value 50 >>> slider.value_normalized 0.5 >>> slider.value = 0 >>> slider.value_normalized 0 >>> slider.value = 1 >>> slider.value_normalized 1
You can also use it for setting the real value without knowing the minimum and maximum:
>>> slider = Slider(min=0, max=200) >>> slider.value_normalized = .5 >>> slider.value 100 >>> slider.value_normalized = 1. >>> slider.value 200
value_normalized is an AliasProperty.
- value_pos¶
Position of the internal cursor, based on the normalized value.
value_pos is an AliasProperty.