Package org.eclipse.swt.events

Interface FocusListener

  • All Superinterfaces:
    EventListener, SWTEventListener
    All Known Implementing Classes:
    FocusAdapter, HyperlinkManager
    public interface FocusListener
extends SWTEventListener
    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:
    FocusAdapter, FocusEvent

    • Method Detail

      • focusGained

        void focusGained​(FocusEvent e)
        Sent when a control gets focus.
        Parameters:
        e - an event containing information about the focus change

      • focusLost

        void focusLost​(FocusEvent e)
        Sent when a control loses focus.
        Parameters:
        e - an event containing information about the focus change

      • focusGainedAdapter

        static FocusListener focusGainedAdapter​(Consumer<FocusEvent> c)
        Static helper method to create a FocusListener for the focusGained(FocusEvent e)) method with a lambda expression.
        Parameters:
        c - the consumer of the event
        Returns:
        FocusListener
        Since:
        3.106

      • focusLostAdapter

        static FocusListener focusLostAdapter​(Consumer<FocusEvent> c)
        Static helper method to create a FocusListener for the focusLost(FocusEvent e)) method with a lambda expression.
        Parameters:
        c - the consumer of the event
        Returns:
        FocusListener
        Since:
        3.106