SWING: WindowEvent Class Cheat Sheet - A quick cheatsheet for beginners, with examples

Following is the declaration for java.awt.event.WindowEvent class

public class WindowEvent
   extends ComponentEvent

Table of Contents

Following are the fields for java.awt.event.WindowEvent class

static int WINDOW_ACTIVATED − The window-activated event type.
static int WINDOW_CLOSED − The window closed the event.
static int WINDOW_CLOSING − The “window is closing” event.
static int WINDOW_DEACTIVATED − The window-deactivated event type.
static int WINDOW_DEICONIFIED − The window iconified event type.
static int WINDOW_FIRST − The first number in the range of IDs used for window events.
static int WINDOW_GAINED_FOCUS − The window-gained-focus event type.
static int WINDOW_ICONIFIED − The window iconified event.
static int WINDOW_LAST − The last number in the range of IDs used for window events.
static int WINDOW_LOST_FOCUS − The window-lost-focus event type.
static int WINDOW_OPENED − The window opened the event.
static int WINDOW_STATE_CHANGED − The window-state-changed event type.

`WindowEvent(Window source, int id)`	Constructs a WindowEvent object.
`WindowEvent(Window source, int id, int oldState, int newState)`	Constructs a WindowEvent object with the specified previous and new window states.
`WindowEvent(Window source, int id, Window opposite)`	Constructs a WindowEvent object with the specified opposite Window.
`WindowEvent(Window source, int id, Window opposite, int oldState, int newState)`	Constructs a WindowEvent object.

`int getNewState()`	For WINDOW_STATE_CHANGED events returns the new state of the window.
`int getOldState()`	For WINDOW_STATE_CHANGED events returns the previous state of the window.
`Window getOppositeWindow()`	Returns the other Window involved in this focus or activation change.
`Window getWindow()`	Returns the originator of the event.
`String paramString()`	Returns a parameter string identifying this event.

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