Toplevel Tkinter | Python 3

In this tutorial, we are going to see how to use Toplevel in Tkinter. The Toplevel widget works much like Frame, but it is displayed in a different top-level window. These windows usually have title bars, borders and other “decorations”.

Your application can use any number of top-level windows.
 

 

 

Syntax:

Here is the syntax to create this widget:

w = Toplevel ( option = value, ... )

 

Parameters:

• options : See below for a list of the most commonly used options for this widget. These options can be used as comma separated key-value pairs.

 

 

Example:

from tkinter import *

gui = Tk()
w = Toplevel()
w.mainloop()

Output:

 

Toplevel widget’s options

Option	Description
bd	Border width in pixels. The default value is 0.
bg	Background color of the window.
cursor	The cursor that shows up when the mouse hovers over the window.
font	The default font of the text inserted in the widget.
fg	The color used for the text (and bitmaps) in the widget. You can change the color of the highlighted regions.
height	Window height.
relief	Relief represent the type of border. Some of the values are SUNKEN, RAISED, GROOVE and RIDGE.
width	Desired width of the window.

 

 

Methods:

Here are the commonly used methods for this widget:

Method	Description
frame()	Returns a system-specific window identifier.
deiconify()	Display the window, after using the iconify or remove methods.
group(window)	Adds the window to the group of windows managed by the given window.
iconify()	Turns the window into an icon, without destroying it.
protocol(name, function)	Save a function that will be called for the given protocol.
state()	Returns the current state of the window. The possible values are normal, iconic, withdrawn and icon.
title(string)	Sets the window title.
sizefrom(who)	Sets the size controller.
resizable(width, height)	Sets the resize flags, which control whether the window can be resized.
positionfrom(who)	Sets the position controller.
minsize(width, height)	Sets the minimum size of the window.
maxsize(width, height)	Sets the maximum size of the window.
withdraw()	Removes the window from the screen without destroying it.

 

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