Files
Bubberstation/code/datums/components
_0Steven 4c66974dbc Add alt-click usage context to toggle_icon component (#83123)
## About The Pull Request

There is not much to this.
We make `toggle_icon` register an additional signal
`COMSIG_ATOM_REQUESTING_CONTEXT_FROM_ITEM` upon which we set the
alt-click usage context, and just add the `HAS_CONTEXTUAL_SCREENTIPS_1`
flag to the parent ourselves as we don't want the other effects of
`register_context()`.
## Why It's Good For The Game

Having working screentips is helpful.
## Changelog
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qol: Added alt-click usage context to toggle_icon component
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Datum Component System (DCS)

Concept

Loosely adapted from /vg/. This is an entity component system for adding behaviours to datums when inheritance doesn't quite cut it. By using signals and events instead of direct inheritance, you can inject behaviours without hacky overloads. It requires a different method of thinking, but is not hard to use correctly. If a behaviour can have application across more than one thing. Make it generic, make it a component. Atom/mob/obj event? Give it a signal, and forward it's arguments with a SendSignal() call. Now every component that want's to can also know about this happening.

HackMD page for an introduction to the system as a whole.

See/Define signals and their arguments in __DEFINES\components.dm