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Vendor php-tui Package cassowary Short Description PHP TUI License
MIT
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Implementation of the Cassowary constraint solving algorithm. Based heavily on
cassowary-rs which is based on
kiwi.
This library can be used to specify and resolve constraints for user
interfaces.
Status
I've ported just enough of the code to support solving constraints. I have
not ported support for edit variables or changing constraints. PRs welcome.
Installation
What does it do?
Given we want to render a layout on a screen with a defined size. The layout
have two two sections:
We would need to introduce variables for each of the points in sections a and b:
And then specify the constraints that must be maintained:
There are two interesting things:
Constraints can relate to each other
Constraints have a strength which determines which constraint to take into
account if there is a conflict.
The constraint solver is able to resolve such constraints into an optimal
solution.
Usage
Using the above example:
Note that $changes only contains values that have changed and by default variables start at 0.0. This API is more relevant for when variables can be updated.
How does it work?
I have no idea, but it does! I just ported the code and debugged it with great
determination until it worked.
Composer command for our command line client (download client)This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free.Standard composer command
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