Скачать или смотреть How to Show and Hide Text in Tkinter Entry Widget with a Checkbutton

Learn how to manage text visibility in a Tkinter Entry widget using a Checkbutton. Discover clear coding steps for effective GUI applications in Python.
---
This video is based on the question https://stackoverflow.com/q/76792644/ asked by the user 'Jai Krishna Das Saini' ( https://stackoverflow.com/u/22292232/ ) and on the answer https://stackoverflow.com/a/76794312/ provided by the user 'Bryan Oakley' ( https://stackoverflow.com/u/7432/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to show a text in tkinter Entry widget while checkbutton is unchecked

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Show and Hide Text in Tkinter Entry Widget with a Checkbutton

In GUI programming with Python using Tkinter, you may often need to manage user input securely, especially when dealing with passwords. A common feature in password fields is the ability to toggle between showing and hiding the entered text. This guide will address a specific problem: how to show text in a Tkinter Entry widget when a checkbutton is unchecked, and hide the text when it is checked. Let's dive into the solution!

Understanding the Problem

When you're creating a password entry field with a check button for toggling visibility, you might run into an issue where the text doesn't hide again when the check button is unchecked. This can cause confusion for users who expect the password to go back to being obscured when they opt not to view it.

The Solution Overview

To implement the desired functionality, you'll need to set up a Tkinter Entry widget and a Checkbutton that toggles its visibility. The plan is to use a dictionary-like Tkinter variable to manage the visibility state of the entry widget. The key steps are:

Create a Tkinter window.

Use an Entry widget for password input.

Set up a Checkbutton that lets the user toggle visibility.

Write a function that updates the Entry widget's configuration based on the Checkbutton's state.

Implementation Steps

Step 1: Setting up the Tkinter Window

First, you need to create a Tkinter root window. This serves as the main application window.

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Creating the Entry Widget

Next, create the Entry widget where the user can input their password. This widget will initially mask the characters entered.

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Adding a Checkbutton for Visibility Toggle

You will need a Checkbutton that enables users to decide whether or not to see the text in the Entry widget.

[[See Video to Reveal this Text or Code Snippet]]

Step 4: Writing the Show/Hide Function

Define a function that checks the state of the Checkbutton and updates the Entry widget accordingly.

[[See Video to Reveal this Text or Code Snippet]]

Complete Code Example

Here's the entire code brought together:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Implementing a toggle for showing and hiding text in a Tkinter Entry widget can enhance your application's usability, particularly for password fields. By following the steps outlined above, you can easily manage the visibility of user input. This ensures that sensitive information is protected while also allowing for ease of use when needed.

Feel free to try out the code and modify it for your own projects! Happy coding!