Скачать или смотреть Perfectly Resize the Text Widget in Tkinter to Show Only the Scroll Bar

Learn how to create a responsive Tkinter Text widget that resizes perfectly with the application window while showing only the scrollbar.
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This video is based on the question https://stackoverflow.com/q/65839180/ asked by the user 'Parvat . R' ( https://stackoverflow.com/u/14785531/ ) and on the answer https://stackoverflow.com/a/65839198/ 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.

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Creating a Responsive Text Widget with Tkinter

Are you looking to recreate a Notepad-like application using Python's Tkinter library? One common issue developers face is ensuring that the text area and scrollbar resize appropriately with the main application window. If you've ever struggled with blank spaces appearing in your layout or found that your components don't expand as you want them to, you’re not alone. In this post, we will address a specific problem and provide a clear solution to ensure your application looks great and functions smoothly.

The Problem

As a budding Tkinter developer, you might have set up your text widget and scrollbar using the place() geometry manager (as shown in the code snippet below). However, this approach often results in components that don't resize correctly when the main application window is adjusted, leading to a less than optimal user experience.

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

In this example, while the scrollbar appears on the right, the text area does not fully utilize the available space and leaves a blank area. Let's explore how we can fix this.

The Solution: Use the pack() Geometry Manager

After reviewing the approach you've taken, the primary recommendation is simple: avoid using place() for this case. Instead, using the pack() geometry manager can streamline your layout and ensure everything resizes correctly. Here’s how to implement it:

Step-by-Step Guide

Remove place() – Stop using the place() method for the text area as it does not allow for responsive resizing.

Organize with pack() – Utilize the pack() method to arrange the widgets neatly.

Updated Code Example

Here's how your code should look after implementing these changes:

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

Explanation of Changes

Scrollbar Configuration: The line text_area.config(yscrollcommand=y_scroll.set) links the scrollbar to the text area, ensuring that when you scroll through the text, the scrollbar will move accordingly.

Expansion and Filling: Using pack(side="left", fill="both", expand=True) allows the text area to occupy all the available space, creating a responsive design that adjusts when the window is resized.

Conclusion

By following this straightforward adjustment in your Tkinter application design, you can eliminate blank areas and ensure a fluid user experience, much like what's seen in traditional applications such as Notepad. Avoiding the place() geometry manager can save you time and create a more elegant and functional interface.

Start implementing these changes today, and enjoy a more responsive application that looks good and works even better!