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Java AWT

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java.awt Reference
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Window

Name

Window

[Graphic: Figure from the text]

Description

The Window class serves as a top-level display area that exists outside the browser or applet area you may be working in. A window must have a parent Frame.

Class Definition

public class java.awt.Window
    extends java.awt.Container {
  
  // Constructors
  public Window (Frame parent);
  
  // Instance Methods
  public void addNotify();
  public synchronized void addWindowListener (WindowListener l); (New)
  public void dispose();
  public Component getFocusOwner(); (New)
  public Locale getLocale(); (New)
  public Toolkit getToolkit();
  public final String getWarningString();
  public boolean isShowing(); (New)
  public void pack();
  public boolean postEvent (Event e); (Deprecated)
  public synchronized void remove WindowListener (WindowListener l); (New)
  public void show();
  public void toBack();
  public void toFront();
//Protected Instance Methods
  protected void processEvent (AWTEvent e); (New)
  protected void processWindowEvent (WindowEvent e); (New)
}

Constructors

Window

public Window (Frame parent)

Parameters

parent

Frame that is to act as the parent of Window.

Description

Constructs a Window object.

Instance Methods

addNotify

public void addNotify()

Overrides

Container.addNotify()

Description

Creates Window's peer and peers of contained components.

removeWindowListener

public synchronized void removeWindowListener(WindowListener l) (New)

Parameters

l

One of this Frame's WindowListeners.

Description

Remove an event listener.

addWindowListener

public synchronized void addWindowListener (WindowListener l) (New)

Parameters

l

An object that implements the WindowListener interface.

Description

Add a listener for windowing events.

dispose

public void dispose()

Returns

Releases the resources of the Window.

getFocusOwner

public Component getFocusOwner() (New)

Returns

The child component that currently has the input focus.

getLocale

public Locale getLocale() (New)

Returns

The locale for this Window.

Overrides

Window.getLocale()

getToolkit

public Toolkit getToolkit()

Returns

Toolkit of Window.

Overrides

Component.getToolkit()

getWarningString

public final String getWarningString()

Returns

String that will be displayed on the bottom of insecure Window instances.

isShowing

public boolean isShowing()

Returns

true if the Window is showing on the screen, false otherwise.

pack

public void pack()

Description

Resizes Window to getPreferredSize() of contained components.

postEvent

public boolean postEvent (Event e) (Deprecated)

Parameters

e

Event instance to post to window.

Returns

If Event is handled, true is returned. Otherwise, false is returned.

Description

Tells the Window to deal with Event.

removeWindowListener

public synchronized void removeWindowListener (WindowListener l) (New)

Parameters

l

One of this Frame's WindowListeners.

Description

Remove an event listener.

show

public void show()

Description

Show the Window and validate its components.

Overrides

Component.show()

toBack

public void toBack()

Description

Puts the Window in the background of the display.

toFront

public void toFront()

Description

Brings the Window to the foreground of the display.

Protected Instance Methods

processEvent

protected void processEvent (AWTEvent e) (New)

Parameters

e

The event to process.

Description

Low level AWTEvents are passed to this method for processing.

processWindowEvent

protected void processWindowEvent (WindowEvent e) (New)

Parameters

e

The event to process.

Description

Window events are passed to this method for processing. Normally, this method is called by processEvent().

See Also

Component, Container, Dialog, Frame, String, Toolkit


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