Tkinter – On Enter/Return Key Event

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Tkinter Entry – On Enter/Return

In Tkinter, you can handle On Enter/Return key event in an Entry widget.

To handle On Enter/Return key event in an Entry widget in Tkinter, bind the Entry widget with Return key and specify the event handler function using Entry.bind() method, as shown below.

entry_1.bind('<Return>', entry_1_return_key_event)

Now, inside the event handler function entry_1_return_key_event, you can write your code on how to handle this event, or what to happen on this event. In this tutorial, we shall just print a statement that the event has happened.

def entry_1_return_key_event(event):
    print('Enter key pressed in entry_1 widget.')

In this tutorial, you will learn how to set an event handler function for On Enter/Return key event in Entry widget, with examples.

Examples

1. Set event handler for Return key event in Entry widget

In this example, we create a basic Tk window with an Entry widget entry_1. We bind the <Return> key event to the Entry widget. If the user clicks Enter or Return key while entering a value in first Entry widget, the event is triggered and executes entry_1_return_key_event function.

Python Program

import tkinter as tk

def entry_1_return_key_event(event):
    print('Enter key pressed in entry_1 widget.')

# Create the main window
window = tk.Tk()
window.title("PythonExamples.org")
window.geometry("300x200")

label = tk.Label(window, text="Enter input")
label.pack()

# First Entry widget
entry_1 = tk.Entry(window)
entry_1.bind('<Return>', entry_1_return_key_event)
entry_1.pack()

# Run the application
window.mainloop()