How to Easily Put Multiple Windows in Fullscreen at Once in PySimpleGUI

Discover how to implement multiple fullscreen windows in `PySimpleGUI` with simple code examples and step-by-step guidance.
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This video is based on the question https://stackoverflow.com/q/69442457/ asked by the user 'Iván Mauricio Paz' ( https://stackoverflow.com/u/17074630/ ) and on the answer https://stackoverflow.com/a/69444590/ 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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How to Easily Put Multiple Windows in Fullscreen at Once in PySimpleGUI

Creating applications with multiple fullscreen windows can seem like a daunting task, especially if you're unfamiliar with GUI frameworks like PySimpleGUI. You may find yourself struggling to get your created windows to display in fullscreen mode, even when you think you've utilized the .Maximize() method correctly. In this guide, we'll explore how to effectively manage multiple windows in fullscreen using PySimpleGUI.

Understanding the Problem

When you create a GUI with multiple windows in PySimpleGUI, you might want all of them to launch in fullscreen. While .Maximize() is the method that makes a window fill the screen, you might find that using it inside the main loop or at the wrong point in time doesn’t yield the desired outcome.

Solution Breakdown

To help you overcome this issue, let’s break down the processes into clear, manageable steps. Here are a few strategies for managing fullscreen windows in PySimpleGUI.

1. Maximize Each Window After Finalizing

When you create a window, the first thing you can do is maximize it right after it has been finalized. Here’s how you can do that:

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2. Create Multiple Windows Simultaneously

Another effective approach is to create both windows upfront and decide which one is shown on the screen at any given time:

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3. Leveraging sg.Column for Visibility

Using the sg.Column element can also control which part of your interface is visible at any one time:

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4. Utilizing sg.TabGroup

If your interface consists of different tabs, you can utilize the sg.TabGroup feature for a more organized layout:

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Conclusion

By following the steps outlined in this guide, you will have the ability to confidently manage multiple fullscreen windows in your PySimpleGUI applications. Remember to always call maximize() after finalizing your windows, whether you create them all at once or switch between them dynamically. Happy coding!

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