Widgets or screens should be able to subscribe on events, managed by the panel: when the panel is notified, callback the object subscribed for the event received.
It should be useful when multiple widgets are subscribed to the same event, and save some resources.
Widgets or screens should be able to subscribe on events, managed by the panel: when the panel is notified, callback the object subscribed for the event received.
It should be useful when multiple widgets are subscribed to the same event, and save some resources.