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Learn how to *automatically maximize* your LWJGL window programmatically by calculating the correct size while maintaining visibility of the taskbar and top panel.
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This video is based on the question https://stackoverflow.com/q/74758468/ asked by the user 'Sevoos' ( https://stackoverflow.com/u/19602475/ ) and on the answer https://stackoverflow.com/a/74822775/ provided by the user 'Sevoos' ( https://stackoverflow.com/u/19602475/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Automatically Maximize Your LWJGL Window with Code

When developing applications using the Lightweight Java Game Library (LWJGL), you might find yourself needing to dynamically adjust your window size. A common question that arises is: How can I automatically maximize my window through code? This is particularly important for ensuring that users can interact with the taskbar and other essential interface elements without entering fullscreen mode.

Understanding the Problem

In your LWJGL application, managing the window size is crucial for a good user experience. While users can easily maximize or resize the window manually, automating this process can enhance your application's usability. Specifically, you might want your application window to occupy the maximum possible space while still leaving visible the taskbar and the window's top panel.

To accomplish this programmatically, you first need to understand how to access the dimensions of the maximized window. Setting the display mode can be done with Display.setDisplayMode(new DisplayMode(width, height)), but you need to figure out the correct dimensions first.

The Solution

Thanks to contributions from the community, we have a practical solution to automatically retrieve the maximum size of your window while respecting the boundaries of your operating system’s environment. Here’s how we can achieve this in a few straightforward steps:

Step 1: Get the Maximum Window Bounds

You can utilize the Java AWT library to get the dimensions that the maximum window can occupy. The following method retrieves the rectangle that defines the maximum allowable bounds of the window:

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Step 2: Retrieve the Width and Height

Once you have the rectangle representing the maximum window size, you can easily extract the width and height. Add these two simple methods:

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Step 3: Create the Display Mode

Now that you have the width and height, you can define a display mode that uses these values. This ensures that your window will maximize correctly without going into fullscreen mode:

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Putting It All Together

Finally, you can call these methods in your application’s initialization routine to maximize your LWJGL window programmatically. Here’s an example of how you might do this:

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

Conclusion

By following these steps, you can seamlessly maximize your LWJGL window through code, ensuring that users can interact comfortably with their operating system’s interface. This not only enhances usability but also solidifies your application's reputation for being thoughtfully developed.

Now you have the knowledge to implement this feature and improve your project's user experience significantly!

Feel free to reach out in the comments if you have further questions or if you want to share your experiences with LWJGL and window management!