Package org.eclipse.swt.events
Interface FocusListener
- All Superinterfaces:
EventListener
- All Known Implementing Classes:
FocusAdapter,HyperlinkManager
Classes which implement this interface provide methods
that deal with the events that are generated as controls
gain and lose focus.
After creating an instance of a class that implements
this interface it can be added to a control using the
addFocusListener method and removed using
the removeFocusListener method. When a
control gains or loses focus, the appropriate method
will be invoked.
- See Also:
-
Method Summary
Modifier and TypeMethodDescriptionvoidSent when a control gets focus.static FocusListenerStatic helper method to create aFocusListenerfor thefocusGained(FocusEvent e)) method with a lambda expression.voidSent when a control loses focus.static FocusListenerStatic helper method to create aFocusListenerfor thefocusLost(FocusEvent e)) method with a lambda expression.
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Method Details
-
focusGained
Sent when a control gets focus.- Parameters:
e- an event containing information about the focus change
-
focusLost
Sent when a control loses focus.- Parameters:
e- an event containing information about the focus change
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focusGainedAdapter
Static helper method to create aFocusListenerfor thefocusGained(FocusEvent e)) method with a lambda expression.- Parameters:
c- the consumer of the event- Returns:
- FocusListener
- Since:
- 3.106
-
focusLostAdapter
Static helper method to create aFocusListenerfor thefocusLost(FocusEvent e)) method with a lambda expression.- Parameters:
c- the consumer of the event- Returns:
- FocusListener
- Since:
- 3.106
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