A set of graphical controls such as tree views and buttons implemented in Squeak/Smalltalk using the Signals observer pattern.
# Widgets [](http://travis-ci.org/hpi-swa/widgets) Interactive, graphical controls for Squeak/Smalltalk.  See also [Signals](../../../signals) and [Animations](../../../animations). ## How to Install 1. Get [Squeak 4.6 or later](http://www.squeak.org) with a recent [CogVM](http://www.mirandabanda.org/files/Cog/VM/) for your operating system. 2. If not already integrated, load [Metacello](https://github.com/dalehenrich/metacello-work). Learn how it [works](https://github.com/dalehenrich/metacello-work/blob/master/docs/MetacelloUserGuide.md). 3. Finally, load the project into your Squeak image: ```Smalltalk Metacello new baseline: 'Widgets'; repository: 'github://hpi-swa/widgets/repository'; load. ```