Скачать или смотреть How to Make a RadioButton Switch Values with File Browse in PySimpleGUI

Discover how to automatically change `RadioButton` values when using the File Browser in PySimpleGUI. Step-by-step guide included!
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This video is based on the question https://stackoverflow.com/q/74822072/ asked by the user 'dcpetit' ( https://stackoverflow.com/u/19504043/ ) and on the answer https://stackoverflow.com/a/74822324/ provided by the user 'Jason Yang' ( https://stackoverflow.com/u/11936135/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Switching RadioButton Values with File Browse in PySimpleGUI

If you're working with UI elements in Python's PySimpleGUI, you may have encountered a scenario where you want to allow users to select a file and automatically switch their radio button selection based on that input. In this guide, we'll explore how to achieve this functionality.

The Problem

Let's say you have two radio button options in your application:

Use the default file location.

Use a specified file selected via the file browser.

When the user selects a file using the FileBrowse option, you want the program to automatically switch the selection from the first radio button (the default) to the second one (the specified file).

This behavior enhances user experience by providing immediate feedback to the selection made. However, implementing it requires a little bit of code adjustment.

Step-by-Step Solution

To implement this feature, you can follow these steps:

Step 1: Update FileBrowse Parameters

Add enable_events=True and key='Browse' to the sg.FileBrowse button. This allows you to capture the event when a file is selected.

Here’s how to modify your sg.FileBrowse code:

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

Step 2: Handle the Event

In the event loop of your application, check for the 'Browse' event. When this event occurs, you will update the state of the second radio button (R2) to True, indicating that it has been selected.

Here’s the code snippet to do this:

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

Complete Example

Here’s how your complete code would look after making these adjustments:

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

Conclusion

By following the steps outlined above, you can create a seamless user experience that automatically adjusts radio button selections based on user input. Implementing the enable_events parameter and correctly handling the 'Browse' event ensures your application behaves intuitively.

Try this approach in your own PySimpleGUI projects, and enhance your user interface to make it more responsive and user-friendly.