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# Objective Define a framework for handling keyboard focus and bubbled keyboard events, as discussed in #15374. ## Solution Introduces a new crate, `bevy_input_focus`. This crate provides: * A resource for tracking which entity has keyboard focus. * Methods for getting and setting keyboard focus. * Event definitions for triggering bubble-able keyboard input events to the focused entity. * A system for dispatching keyboard input events to the focused entity. This crate does *not* provide any integration with UI widgets, or provide functions for tab navigation or gamepad-based focus navigation, as those are typically application-specific. ## Testing Most of the code has been copied from a different project, one that has been well tested. However, most of what's in this module consists of type definitions, with relatively small amounts of executable code. That being said, I expect that there will be substantial bikeshedding on the design, and I would prefer to hold off writing tests until after things have settled. I think that an example would be appropriate, however I'm waiting on a few other pending changes to Bevy before doing so. In particular, I can see a simple example with four buttons, with focus navigation between them, and which can be triggered by the keyboard. @alice-i-cecile
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635 B
Bevy Input Focus
