de.schlichtherle.awt
Class Windows

java.lang.Object
  de.schlichtherle.awt.Windows

public class Windows
extends Object

A utility class for window management. You cannot instantiate this class.

Since:

TrueZIP 6.4

Version:

$Id: Windows.java 06f3ba684701 2010/11/04 01:15:55 christian $

Author:

Christian Schlichtherle

Field Summary

private static PropertyChangeListener	focusListener
private static Reference	lastFocusedWindow
private static Reference	lastFocusManager
private static Reference	parent
private static String	PROPERTY_FOCUSED_WINDOW

Constructor Summary

Windows()

Method Summary

private static Window	findFirstShowingWindow(Window w) Search the containment hierarchy updwards for the first showing window.
private static Window	getAnyShowingWindow()
private static Window	getAnyShowingWindow(Window[] windows)
static Window	getLastFocusedWindow() Returns the last window which received the focus.
static Window	getParentWindow() Returns a suitable parent window, which is the last explicitly set and still showing parent window or any of its showing parent windows, the last focused and still showing window or any of its showing parent windows or any other showing window - whichever is found first.
private static void	observeFocusedWindow() Ensures that the focused window managed by the current keyboard focus manager is observed.
private static void	setLastFocusedWindow(Window w)
private static void	setLastFocusedWindow0(Window w)
static void	setParentWindow(Window w) Deprecated. You shouldn't use this method any more, but rely on the implementation in getParentWindow().

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PROPERTY_FOCUSED_WINDOW

private static final String PROPERTY_FOCUSED_WINDOW

See Also:

Constant Field Values

lastFocusManager

private static Reference lastFocusManager

lastFocusedWindow

private static Reference lastFocusedWindow

parent

private static Reference parent

focusListener

private static PropertyChangeListener focusListener

Constructor Detail

Windows

Windows()

Method Detail

getParentWindow

public static Window getParentWindow()

Returns a suitable parent window, which is the last explicitly set and still showing parent window or any of its showing parent windows, the last focused and still showing window or any of its showing parent windows or any other showing window - whichever is found first. If no showing window is found, JOptionPane's root frame is returned.

findFirstShowingWindow

private static Window findFirstShowingWindow(Window w)

Search the containment hierarchy updwards for the first showing window.

setParentWindow

public static void setParentWindow(Window w)

Deprecated. You shouldn't use this method any more, but rely on the implementation in getParentWindow().

getLastFocusedWindow

public static Window getLastFocusedWindow()

Returns the last window which received the focus. If no window received the focus yet or is already made eligible for finalization, null is returned instead. Note that this is not the same as Windows.getCurrentKeyboardFocusManager().getFocusedWindow(): The latter may return null if no window in this JVM has the focus, while this method will return the last window in this JVM which had the focus (unless this is also the first call to this method).

observeFocusedWindow

private static void observeFocusedWindow()

Ensures that the focused window managed by the current keyboard focus manager is observed.

setLastFocusedWindow

private static void setLastFocusedWindow(Window w)

setLastFocusedWindow0

private static void setLastFocusedWindow0(Window w)

getAnyShowingWindow

private static Window getAnyShowingWindow()

getAnyShowingWindow

private static Window getAnyShowingWindow(Window[] windows)