Python Tkinter Scale Widget

Python Tkinter Scale

The Scale widget in Python’s Tkinter library provides a graphical slider that allows users to select a value from a defined range. It is particularly useful when the user needs to pick a numerical value within a set limit, offering an intuitive alternative to an Entry widget.

With Tkinter’s Scale, developers can control the minimum and maximum values, resolution, and orientation, ensuring a seamless user experience. The widget is widely used in applications where adjustable values are needed, such as volume control, brightness settings, or data selection.

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Syntax

w = Scale(parent, options)

Here, parent is the root window or frame, and options define the properties of the Scale widget.

Tkinter Scale Widget Options

Below is a list of useful options available for configuring the Scale widget:

Tkinter Scale Widget Methods

Example: Implementing a Scale Widget in Tkinter

from tkinter import *  
  
def select():  
    sel = "Value = " + str(v.get())  
    label.config(text=sel)  
      
top = Tk()  
top.geometry("200x100")  
  
v = DoubleVar()  
scale = Scale(top, variable=v, from_=1, to=50, orient=HORIZONTAL)  
scale.pack(anchor=CENTER)  
  
btn = Button(top, text="Get Value", command=select)  
btn.pack(anchor=CENTER)  
  
label = Label(top)  
label.pack()  
  
top.mainloop()  

Output:

The program creates a Tkinter window with a horizontal slider ranging from 1 to . When the user moves the slider and clicks the “Get Value” button, the selected value is displayed below.