JustUI

Welcome to the JustUI documentation! JustUI is a powerful, event-driven user interface library designed for Casio calculators running gint. It abstracts away pixel-by-pixel rendering and provides elegant, flexible layouts using VBoxes, HBoxes, and Stacks, alongside interactive touch-friendly components.

The library is also used on other calculator, so you may already be familiar with its syntax.

Start Learning

If you are new to JustUI, we highly recommend starting with the tutorial. It will guide you step-by-step from an empty screen to a fully functioning multi-tab graphical application.

🎓 JustUI Tutorial Learn the basics of JustUI by building a multi-tab application from scratch with code examples.

📚 Reference Manual Deep dive into JustUI's layout engine, event dispatching, focus hierarchy, touchscreen support, and custom widgets.

Project Templates

The quickest way to start building your own JustUI add-in for HollyHock-3 (V3) is by using our ready-made template. It includes all the necessary CMake links so you can start writing layout code instantly.

🚀 JustUI V3 Template A complete starter template configured for JustUI on HollyHock-3. Clone this to jumpstart your development!