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sunnypilot/system/ui/README.md
Shane Smiskol 3aaf249236 comma four (#36639)
* squash squash squash

* scroller tici
2025-11-18 22:27:45 -08:00

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# ui
The user interfaces here are built with [raylib](https://www.raylib.com/).
Quick start:
* set `BIG=1` to run the comma 3X UI (comma four UI runs by default)
* set `SHOW_FPS=1` to show the FPS
* set `STRICT_MODE=1` to kill the app if it drops too much below 60fps
* set `SCALE=1.5` to scale the entire UI by 1.5x
* set `BURN_IN=1` to get a burn-in heatmap version of the UI
* set `GRID=50` to show a 50-pixel alignment grid overlay
* https://www.raylib.com/cheatsheet/cheatsheet.html
* https://electronstudio.github.io/raylib-python-cffi/README.html#quickstart
Style guide:
* All graphical elements should subclass [`Widget`](/system/ui/widgets/__init__.py).
* Prefer a stateful widget over a function for easy migration from QT
* All internal class variables and functions should be prefixed with `_`