Python Scrollbar widget allows you to view all areas of your content by scrolling vertically or horizontally across it. This widget is often used when the presented content exceeds the allotted space.
It should be noted that the Tkinter scrollbar widget is not a component of other widgets such as a Listbox, message, or text widgets; rather, it is a distinct widget on its own.
In this tutorial, we will learn how to make a Tkinter scrollbar widget.
Syntax
The syntax for generating a Tkinter scrollbar is very simple:
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w = Scrollbar(master, options) |
The root represents the parent window, and the options represent the widget properties.
Tkinter Scrollbar Options
Activebackground- defines the color of the widget's background when it focuses.
Bg- defines the color of the background.
Bd- specifies the size of the scrollbar's border.
Command- used to set up an action linked with the scrollbar's action, such as moving the scrollbar.
Cursor- determines how the mouse pointer behaves as it moves across the screen.
Element
Borderwidth- represents the width of the border surrounding the arrowhead or slider.
Highlightbackground- When the widget is not focused, highlightbackground focuses on the highlight color.
Highlightcolor- defines the color of the widget's highlight when it is focused.
Jump- determines how the scroll jump behaves.
Orient- either horizontally or vertically orients the scrollbar.
Repeatdelay- defines how long a button is pushed for.
Repeatinterval-the repetition interval is set to 100 by default.
Takefocus- tabs the widget's focus.
Troughcolor- specifies the trough's color.
Width-The width of the scrollbar is defined by this option.
Tkinter Scrollbar Examples
Vertical Scrollbar
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from tkinter import * root = Tk() scrollbar = Scrollbar(root) scrollbar.pack( side = RIGHT, fill = Y ) mylist = Listbox(root, yscrollcommand = scrollbar.set ) for line in range(100): mylist.insert(END, "There are many programming languages " + str(line)) mylist.pack( side = LEFT, fill = BOTH ) scrollbar.config( command = mylist.yview ) mainloop()
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Python Horizontal Scrollbar example
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from tkinter import * root = Tk() scrollbar = Scrollbar(root) scrollbar.pack( side = BOTTOM, fill = X ) mylist = Listbox(root, xscrollcommand = scrollbar.set ) for line in range(100): mylist.insert(END, "There are many programming languages " + str(line)) mylist.pack( side = TOP, fill = BOTH ) scrollbar.config( command = mylist.yview ) mainloop()
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output:
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