FULE: Functional UI Layout Engine

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Please see the README on GitHub at https://github.com/pschnapp/FULE#readme

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Modules

[Last Documentation]

FULE
- FULE.Component
- FULE.Container
  - FULE.Container.Arrayed
  - FULE.Container.Clipped
  - FULE.Container.Config
    - FULE.Container.Config.Orientation
    - FULE.Container.Config.Padding
    - FULE.Container.Config.SizedContent
  - FULE.Container.Divided
  - FULE.Container.Grid
  - FULE.Container.Item
  - FULE.Container.Layered
  - FULE.Container.Padded
  - FULE.Container.Positioned
  - FULE.Container.Sized
  - FULE.Container.Unreckoned
  - FULE.Container.Window
- Internal
  - FULE.Internal.Sparse
  - FULE.Internal.Util
- FULE.Layout
- FULE.LayoutOp
- FULE.Reactor

Downloads

FULE-0.3.1.3.tar.gz [browse] (Cabal source package)
Package description (as included in the package)

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pschnapp

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Candidates

0.3.0, 0.3.1

Versions [RSS]	0.3.0, 0.3.1, 0.3.1.1, 0.3.1.2, 0.3.1.3
Change log	CHANGELOG.md
Dependencies	base (>=4.7 && <5), containers (>=0.6.5 && <0.9), deepseq (>=1.4.6 && <1.6), mtl (>=2.2.2 && <2.4), transformers (>=0.5.6 && <0.7) [details]
License	BSD-3-Clause
Copyright	2022-2025 Paul Schnapp
Author	Paul Schnapp
Maintainer	paul.schnapp@gmail.com
Uploaded	by pschnapp at 2026-11-14T21:49:34Z
Category	GUI
Home page	https://github.com/pschnapp/FULE#readme
Bug tracker	https://github.com/pschnapp/FULE/issues
Source repo	head: git clone https://github.com/pschnapp/FULE
Distributions
Downloads	285 total (21 in the last 30 days)
Rating	(no votes yet) [estimated by Bayesian average]
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Status	Docs pending Build status unknown [no reports yet]

Readme for FULE-0.3.1.3

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FULE

The Functional UI Layout Engine (FULE - pronounced "fuel") is an experimental Haskell library for positioning UI elements on-screen. The layout will react dynamically to changes in window-size or manipulations by the user, but it is up to you to wire these events from the GUI framework to the FULE layout and to draw the components themselves on the screen.

Check out the usage documentation and examples for more information, or if curious you can dive into the theory behind it.

The osabe project can be referenced as an example use of the library -- it is for this appliction that FULE was written in the first place.

If you have any questions or issues feel free to contact me. I'd also be interested to hear about any uses of this library.

Features

Pre-defined containers (more to come!)
Easy centering of content
Dynamic, responsive layout
Flat data-structures
Monad-friendly API