🚀 go-pugleaf

Problem: 
 A textfield needs it's contents verified as soon as it loses focus.

Focus listener has two possible focus lost types: temporary and permanent.

Temporary events are fine - no need to verify on them, since I do not want
to warn the user if they have just alt-tabbed away to another window for a 
moment.

So, I verify on focus lost permanent events.

However, if a focus lost temporary is thrown, then the user returns to the
view and selects another component, then no focus lost permanent is thrown.

I can see two ways of kludging around this, neither particularly pleasant:

1 - add a focus listener to all components on the view (may be dozens, and
dozens of views). This checks for unverified textfields, and returns focus
to them, or whatever.

2 - subclass all components to do this automatically when they get focus.

Is there a more pleasant way of reliably detecting that a component has
lost focus to another component on the same view?