Progressbar widget in Tkinter | Python (original) (raw)

Last Updated : 01 May, 2019

The purpose of this widget is to reassure the user that something is happening. It can operate in one of two modes –
In determinate mode, the widget shows an indicator that moves from beginning to end under program control.
In indeterminate mode, the widget is animated so the user will believe that something is in progress. In this mode, the indicator bounces back and forth between the ends of the widget.

Syntax:

widget_object = Progressbar(parent, **options)

Code #1 In determinate mode

from tkinter import * from tkinter.ttk import *

root = Tk()

progress = Progressbar(root, orient = HORIZONTAL,

`` length = 100 , mode = 'determinate' )

def bar():

`` import time

`` progress[ 'value' ] = 20

`` root.update_idletasks()

`` time.sleep( 1 )

`` progress[ 'value' ] = 40

`` root.update_idletasks()

`` time.sleep( 1 )

`` progress[ 'value' ] = 50

`` root.update_idletasks()

`` time.sleep( 1 )

`` progress[ 'value' ] = 60

`` root.update_idletasks()

`` time.sleep( 1 )

`` progress[ 'value' ] = 80

`` root.update_idletasks()

`` time.sleep( 1 )

`` progress[ 'value' ] = 100

progress.pack(pady = 10 )

Button(root, text = 'Start' , command = bar).pack(pady = 10 )

mainloop()

Output:

https://media.geeksforgeeks.org/wp-content/uploads/20190430235939/demonstration_of_progressbar_widget.mp4

Code #2: In indeterminate mode

from tkinter import * from tkinter.ttk import *

root = Tk()

progress = Progressbar(root, orient = HORIZONTAL,

`` length = 100 , mode = 'indeterminate' )

def bar():

`` import time

`` progress[ 'value' ] = 20

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 40

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 50

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 60

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 80

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 100

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 80

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 60

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 50

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 40

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 20

`` root.update_idletasks()

`` time.sleep( 0.5 )

`` progress[ 'value' ] = 0

progress.pack(pady = 10 )

Button(root, text = 'Start' , command = bar).pack(pady = 10 )

mainloop()

Output:

https://media.geeksforgeeks.org/wp-content/uploads/20190501001802/progressbar_in_indeterminate_mode.mp4

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