Creating a Scrollable Message Box in Python with Tkinter

Описание: Learn how to create a robust scrollable message box in Python using Tkinter, complete with buttons for user interaction.
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This video is based on the question https://stackoverflow.com/q/38974383/ asked by the user 'midi' ( https://stackoverflow.com/u/4961048/ ) and on the answer https://stackoverflow.com/a/78033921/ provided by the user 'Manthan Tilva' ( https://stackoverflow.com/u/4635560/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Create a Scrollable Message Box in Python Using Tkinter

Creating user-friendly interfaces is essential in software development, and Python's Tkinter library is a powerful tool for accomplishing this. One common requirement is to display large amounts of text in a message box, which can be made even better with scrolling capabilities. In this guide, we’ll explore how to create a scrollable message box in Python using Tkinter.

The Problem: Multiple Windows with Tkinter

In the initial approach, the user encountered a problem where two separate windows appeared when trying to display text with buttons in a scrollable format. The structure involved utilizing askokcancel() from Tkinter's message box, which inadvertently caused the display of two windows: one for the text and another containing the scroll bar.

Original Code

Here’s a simplified version of the original code that was being used:

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

The Solution: Integrating Everything into a Single Window

To resolve the issue of having two separate windows, we can adopt a new approach using Tkinter’s ScrolledText widget. This allows us to create a single window that includes both text and buttons, enhancing usability. Below, we provide a step-by-step breakdown of the new implementation.

Step 1: Setting Up the Environment

Ensure you have Tkinter and Python configured correctly. The solution provided will work within the Python 3 environment.

Step 2: Implementing the Scrollable Text Box

Here’s the corrected code that integrates a scrollable message box and includes buttons:

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

Breakdown of the Code:

Import Modules: The necessary Tkinter components for creating windows and scrollable text.

SampleDialog Class: This handles the creation of the dialog with a ScrolledText and an OK button.

The scrollable text box allows users to read longer messages without needing to resize the window manually.

MainWindow Class: Contains the main application window with buttons to open the dialog or exit the application.

Execution: At the bottom, we create the root window and start Tkinter's main event loop.

Conclusion

With this new implementation, we have successfully combined the text display and functionality into a single window, providing a better user experience. Users can read the content within a scrollable box and conveniently dismiss the dialog with the OK button.

Feel free to try this updated code and enhance your GUI applications with stylish and functional scrollable message boxes!