Master issue for common events for all controls

[andlabs]

Future possibilities here.

• uiControlOnDestroy()
• uiControlOnFocused(), uiControlOnUnfocused(), uiWindowSetFocus() (TODO would need some semantics for default focus too)
• uiControl mouse and keyboard overrides (maybe)

[AndyObtiva]

+1 for supporting keyboard events in all controls

A user of Glimmer DSL for LibUI just reported needing to be able to submit the contents of an entry using the ENTER key instead of clicking a submit button: AndyObtiva/glimmer-dsl-libui#26

SWT already supports this behavior for example as per the KeyListener

In fact, you can see here all the AddEventListener methods that are common on all controls in SWT:
https://help.eclipse.org/latest/topic/org.eclipse.platform.doc.isv/reference/api/org/eclipse/swt/widgets/Control.html