In this tutorial, we will learn about Python Tkinter Scale. Tkinter Scale widget is used to create a graphical slider on the screen. This widget allows user to move scale and to select a particular value on the scale.
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Syntax of the Python Tkinter Scale:
w = Scale (master, options)
- master: This represents the parent window.
- options: Here is the list of most commonly used options for this widget.
Example of the Tkinter Scale:
# importing tkinter lib
from tkinter import *
def show():
value = "Value is = " + str(svar.get())
label.config(text = value)
mainWindow = Tk()
mainWindow.geometry("320x180")
svar = DoubleVar()
scale = Scale(mainWindow, variable = svar )
scale.pack(anchor=CENTER)
button = Button(mainWindow, text="Show Selected Value", command=show)
button.pack(anchor=CENTER)
label = Label(mainWindow,pady=10)
label.pack()
mainWindow.mainloop()
Various possible options in Python Tkinter Scale:
| Option | Description |
|---|---|
| activebackground | This option is used to set background color of widget under focus. |
| bg | This option helps us to set the normal background colour of the widget. |
| bd | This option is used to set the size of border around the widget. |
| command | This option helps us to mention a function to every time when RadioButton will change its state. |
| cursor | This option helps us to set the style of cursor like an arrow, dot etc |
| font | This option is used to set font type in the widget. |
| fg | This option helps us to set the normal foreground colour of the widget. |
| from_ | This option id used to start point of scale’s range. |
| highlightbackground | This option is used to set the color of the focus highlight when the widget is not having the focus. |
| highlightcolor | This option is used to set highlight colour shown to the widget under focus. |
| label | This option is used to show a label with scale. |
| length | This option is used to set length of the scale widget.By default 100px. |
| orient | This option is used to set the orientation of Scale. |
| relief | This helps us to set the style of the border by which is default Flat. |
| sliderlength | This option is used to set length of scale slider which is normally 30px you can change it. |
| state | This option is used to set state or Scale. By default it is NORMAL. You can also set it DISABLE. |
| tickinterval | This option is used to set a tick interval in scale. |
| to | This option is used ending point of scale’s range. |
| troughcolor | This option is used to set the colour of the trough. |
| variable | This option is used to set a variable in Scale. |
| width | This helps us to set the width of the widget. |
Tkinter Scale Methods:
After learning about various available options in Python Tkinter Scale. Its time to check out some available methods for Tkinter Scale widget.
| Method | Description |
|---|---|
| get() | This method returns the current value of scale. |
| set ( value ) | This method helps us to set the value of scale. |
Parvesh Sandila is a results-driven tech professional with 8+ years of experience in web and mobile development, leadership, and emerging technologies.
After completing his Master’s in Computer Applications (MCA), he began his journey as a programming mentor, guiding 100+ students and helping them build strong foundations in coding. In 2019, he founded Owlbuddy.com, a platform dedicated to providing free, high-quality programming tutorials for aspiring developers.
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