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David Faure
29 August 2024
Desktop software has many differences from mobile and embedded applications but one of the biggest and most obvious is the screen. How can you take advantage of all that real estate for your application?
Use a flexible GUI framework that easily supports building apps with differing resolutions. The less hand-tweaking you need for your dialogs, graphical assets, and interface across a wide spectrum of resolutions, the better.
Make sure you have a wide range of monitors to test your app against. It’s easy to assume everything works perfectly when your app is tested on a uniform configuration provided by IT. However, visual issues may arise when your app runs on smaller, larger, or different monitors.
Set a clear minimum resolution that supports your application’s features effectively. Ensure all dialogs fit on screen, scrollbars function properly, nothing is off-screen. Also, test against ultra-high-resolution monitors (like 4K and 8K) to ensure clarity and usability at high DPI settings. Verify that text is legible, controls are noticeable, and clickable regions are big enough to target accurately.
Ensure that your application's user interface is not only scalable but also adaptable. It should reconfigure itself based on the resolution, maintaining a balance between functionality and aesthetics. Dialog boxes should be resizable, and layout managers should dynamically adjust component placement based on the available screen real estate.
Multi-monitor setups aren’t just for developers anymore. Many people use laptops along with a larger monitor. In fact, a two-screen configuration may be even more popular than single screens. Make sure your application handles this flexibility intelligently by allowing spawning windows or panels that can be moved to the monitor that best works for the user.
With features such as dockable toolbars, multiple document interfaces, or floating inspectors, you can allow users to customize their workspace. This is particularly handy for apps like graphic design, audio/video editing, and software development, where distributing a wide variety of tools, dialogs, controls, and views across the entire screen real estate is essential.
Designing and testing for multiple screen resolutions and configurations is part of making a great application. As screen technology evolves and user expectations rise, your applications’ ability to harness the full potential of ultra resolution and multi-monitor setups might just set it apart from the crowd. If you’re interested in more tips for building desktop applications, you may want to read our related best practice guide.
About KDAB
The KDAB Group is a globally recognized provider for software consulting, development and training, specializing in embedded devices and complex cross-platform desktop applications. In addition to being leading experts in Qt, C++ and 3D technologies for over two decades, KDAB provides deep expertise across the stack, including Linux, Rust and modern UI frameworks. With 100+ employees from 20 countries and offices in Sweden, Germany, USA, France and UK, we serve clients around the world.