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Clarify event subscriptions in ROADMAP

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Héctor Ramón 2019-10-25 23:21:50 +02:00 • committed by GitHub
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@ -191,7 +191,7 @@ Besides performing async actions on demand, most applications also need to liste
The idea here is to also follow [Elm]'s footsteps. We can add a method `subscriptions(&self) -> Subscription<Message>` to `Application` and keep the subscriptions alive in the runtime.
The challenge here is designing the public API of subscriptions, so users can build their own, and _subscription diffing_, or basically detecting when a subscription is added/changed/removed. For this, we can take a look at the source code of [Elm] for inspiration.
The challenge here is designing the public API of subscriptions. Ideally, users should be able to create their own subscriptions and the GUI runtime should keep them alive by performing _subscription diffing_ (i.e. detecting when a subscription is added, changed, or removed). For this, we can take a look at [Elm] for inspiration.
### Layers
Currently, Iced assumes widgets cannot be laid out on top of each other. We should implement support for multiple layers of widgets.