com.googlecode.lanterna.gui.listener

Interface WindowListener

All Known Implementing Classes:

WindowAdapter

public interface WindowListener

This listener class is for listening to events happening to a Window. If you want to listen to window events but don't care about all the different event types, you can extend the WindowAdapter class instead.

Author:

Martin

See Also:

Window, WindowAdapter

Method Summary

Methods

Modifier and Type	Method and Description
void	onFocusChanged(Window window, Interactable fromComponent, Interactable toComponent) Called by the window whenever the input focus has changed from one component to another
void	onUnhandledKeyboardInteraction(Window window, Key key) Called by the window when there was a keyboard input event that no component could handle
void	onWindowClosed(Window window) Called by the window when it has been closed and removed from the GUIScreen.
void	onWindowInvalidated(Window window) Called when a window has been internally modified and needs to be repainted by the GUI system.
void	onWindowShown(Window window) Called by the window when it has been added and showed up on a GUIScreen.

Method Detail

onWindowInvalidated

void onWindowInvalidated(Window window)

Called when a window has been internally modified and needs to be repainted by the GUI system.

Parameters:

window - Window that was invalidated

onWindowShown

void onWindowShown(Window window)

Called by the window when it has been added and showed up on a GUIScreen.

Parameters:

window - Window that has been displayed

onWindowClosed

void onWindowClosed(Window window)

Called by the window when it has been closed and removed from the GUIScreen.

Parameters:

window - Window that was closed and removed

onUnhandledKeyboardInteraction

void onUnhandledKeyboardInteraction(Window window,
                                  Key key)

Called by the window when there was a keyboard input event that no component could handle

Parameters:

window - Window that recieved the input event

key - Key that couldn't be handled

onFocusChanged

void onFocusChanged(Window window,
                  Interactable fromComponent,
                  Interactable toComponent)

Called by the window whenever the input focus has changed from one component to another

Parameters:

window - Window that switched input focus

fromComponent - Component that lost focus, or null if no component was previously focused

toComponent - Component that received focus, or null if no component has focus