Modifier and Type	Class and Description
private class	BasicButtonUI.ButtonGroupInfo ButtonGroupInfo, used to get related info in button group for given toggle button
private class	BasicButtonUI.KeyHandler Togglebutton KeyListener
private class	BasicButtonUI.SelectNextBtn
private class	BasicButtonUI.SelectPreviousBtn

Modifier and Type	Field and Description
protected int	defaultTextIconGap The default gap between a text and an icon.
protected int	defaultTextShiftOffset The default offset of a text.
private static Rectangle	iconRect
private KeyListener	keyListener
private static final String	propertyPrefix
private int	shiftOffset
private static Rectangle	textRect
private static final ComponentUI	UI
private static Rectangle	viewRect

Access	Constructor and Description
public	BasicButtonUI() Constructs a `BasicButtonUI`.

Method Summary

Modifier and Type	Method and Description
protected void	clearTextShiftOffset() Clears the offset of the text.
protected BasicButtonListener	Returns: a new instance of `BasicButtonListener` createButtonListener(AbstractButton an abstract button b) Returns a new instance of `BasicButtonListener`.
private KeyListener	createKeyListener() Creates the key listener to handle tab navigation in JToggleButton Group.
public static ComponentUI	Returns: an instance of `BasicButtonUI` createUI(JComponent a component c) Hides javax.swing.plaf.ComponentUI.createUI. Returns an instance of `BasicButtonUI`.
public int	getBaseline(JComponent c, int width, int height) Overrides javax.swing.plaf.ComponentUI.getBaseline. Returns the baseline.
public Component.BaselineResizeBehavior	getBaselineResizeBehavior(JComponent c) Overrides javax.swing.plaf.ComponentUI.getBaselineResizeBehavior. Returns an enum indicating how the baseline of the component changes as the size changes.
private BasicButtonListener	getButtonListener(AbstractButton b) Returns the ButtonListener for the passed in Button, or null if one could not be found.
public int	Returns: the default gap between text and an icon getDefaultTextIconGap(AbstractButton an abstract button b) Returns the default gap between a text and an icon.
public Dimension	getMaximumSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getMaximumSize. Returns the specified component's maximum size appropriate for the look and feel.
public Dimension	getMinimumSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getMinimumSize. Returns the specified component's minimum size appropriate for the look and feel.
public Dimension	getPreferredSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getPreferredSize. Returns the specified component's preferred size appropriate for the look and feel.
protected String	Returns: the property prefix getPropertyPrefix() Returns the property prefix.
protected int	Returns: the offset of the text getTextShiftOffset() Returns the offset of the text.
protected void	installDefaults(AbstractButton an abstract button b) Installs default properties.
protected void	installKeyboardActions(AbstractButton an abstract button b) Registers keyboard actions.
protected void	installListeners(AbstractButton an abstract button b) Registers listeners.
public void	installUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.installUI. Configures the specified component appropriately for the look and feel.
private boolean	isValidToggleButtonObj(Object obj)
private String	layout(AbstractButton b, FontMetrics fm, int width, int height)
public void	paint(Graphics g, JComponent c) Overrides javax.swing.plaf.ComponentUI.paint. Paints the specified component appropriately for the look and feel.
protected void	paintButtonPressed(Graphics an instance of `Graphics` g, AbstractButton an abstract button b) Paints a pressed button.
protected void	paintFocus(Graphics an instance of `Graphics` g, AbstractButton an abstract button b, Rectangle a bounding rectangle to render the button viewRect, Rectangle a bounding rectangle to render the text textRect, Rectangle a bounding rectangle to render the icon iconRect) Paints a focused button.
protected void	paintIcon(Graphics an instance of `Graphics` g, JComponent a component c, Rectangle a bounding rectangle to render the icon iconRect) Paints an icon of the current button.
protected void	paintText(Graphics an instance of `Graphics` g, JComponent a component c, Rectangle a bounding rectangle to render the text textRect, String a string to render text) Method which renders the text of the current button.
protected void	paintText(Graphics Graphics context g, AbstractButton Current button to render b, Rectangle Bounding rectangle to render the text textRect, String String to render text) Method which renders the text of the current button.
private void	selectToggleButton(ActionEvent event, boolean next) Select toggle button based on "Previous" or "Next" operation
protected void	setTextShiftOffset() Sets the offset of the text.
protected void	uninstallDefaults(AbstractButton an abstract button b) Uninstalls default properties.
protected void	uninstallKeyboardActions(AbstractButton an abstract button b) Unregisters keyboard actions.
protected void	uninstallListeners(AbstractButton an abstract button b) Unregisters listeners.
public void	uninstallUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.uninstallUI. Reverses configuration which was done on the specified component during `installUI`.

Field Detail

defaultTextIconGap	back to summary
protected int defaultTextIconGap The default gap between a text and an icon.

defaultTextShiftOffset	back to summary
protected int defaultTextShiftOffset The default offset of a text.

iconRect	back to summary
private static Rectangle iconRect

keyListener	back to summary
private KeyListener keyListener

propertyPrefix	back to summary
private static final String propertyPrefix

shiftOffset	back to summary
private int shiftOffset

textRect	back to summary
private static Rectangle textRect

UI	back to summary
private static final ComponentUI UI

viewRect	back to summary
private static Rectangle viewRect

Constructor Detail

BasicButtonUI	back to summary
public BasicButtonUI() Constructs a `BasicButtonUI`.

Method Detail

clearTextShiftOffset	back to summary
protected void clearTextShiftOffset() Clears the offset of the text.

createButtonListener back to summary

createButtonListener	back to summary
protected BasicButtonListener createButtonListener(AbstractButton b) Returns a new instance of `BasicButtonListener`. Parameters b:AbstractButton an abstract button Returns:BasicButtonListener a new instance of `BasicButtonListener`

protected BasicButtonListener createButtonListener(AbstractButton b)

Returns a new instance of BasicButtonListener.

Parameters

b:AbstractButton: an abstract button

Returns:BasicButtonListener

a new instance of BasicButtonListener

createKeyListener	back to summary
private KeyListener createKeyListener() Creates the key listener to handle tab navigation in JToggleButton Group.

createUI back to summary

createUI	back to summary
public static ComponentUI createUI(JComponent c) Hides javax.swing.plaf.ComponentUI.createUI. Returns an instance of `BasicButtonUI`. Parameters c:JComponent a component Returns:ComponentUI an instance of `BasicButtonUI`

public static ComponentUI createUI(JComponent c)

Hides javax.swing.plaf.ComponentUI.createUI.

Returns an instance of BasicButtonUI.

Parameters

c:JComponent: a component

Returns:ComponentUI

an instance of BasicButtonUI

getBaseline back to summary

getBaseline	back to summary
public int getBaseline(JComponent c, int width, int height) Overrides javax.swing.plaf.ComponentUI.getBaseline. Returns the baseline. Exceptions NullPointerException: if `c` is `null` IllegalArgumentException: if width or height is < 0 Since 1.6 See Also `javax.swing.JComponent#getBaseline(int, int)`

public int getBaseline(JComponent c, int width, int height)

Overrides javax.swing.plaf.ComponentUI.getBaseline.

Returns the baseline.

Exceptions

NullPointerException:: if c is null
IllegalArgumentException:: if width or height is < 0

Since

1.6

getBaselineResizeBehavior back to summary

getBaselineResizeBehavior	back to summary
public Component.BaselineResizeBehavior getBaselineResizeBehavior(JComponent c) Overrides javax.swing.plaf.ComponentUI.getBaselineResizeBehavior. Returns an enum indicating how the baseline of the component changes as the size changes. Exceptions NullPointerException: if `c` is `null` Since 1.6 See Also `javax.swing.JComponent#getBaseline(int, int)`

public Component.BaselineResizeBehavior getBaselineResizeBehavior(JComponent c)

Overrides javax.swing.plaf.ComponentUI.getBaselineResizeBehavior.

Returns an enum indicating how the baseline of the component changes as the size changes.

Exceptions

NullPointerException:: if c is null

Since

1.6

getButtonListener	back to summary
private BasicButtonListener getButtonListener(AbstractButton b) Returns the ButtonListener for the passed in Button, or null if one could not be found.

getDefaultTextIconGap	back to summary
public int getDefaultTextIconGap(AbstractButton b) Returns the default gap between a text and an icon. Parameters b:AbstractButton an abstract button Returns:int the default gap between text and an icon

getDefaultTextIconGap

back to summary

public int getDefaultTextIconGap(AbstractButton b)

Returns the default gap between a text and an icon.

Parameters

b:AbstractButton: an abstract button

Returns:int

the default gap between text and an icon

getMaximumSize back to summary

getMaximumSize	back to summary
public Dimension getMaximumSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getMaximumSize. Doc from javax.swing.plaf.ComponentUI.getMaximumSize. Returns the specified component's maximum size appropriate for the look and feel. If `null` is returned, the maximum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes `getPreferredSize` and returns that value.

public Dimension getMaximumSize(JComponent c)

Overrides javax.swing.plaf.ComponentUI.getMaximumSize.

Doc from javax.swing.plaf.ComponentUI.getMaximumSize.

Returns the specified component's maximum size appropriate for the look and feel. If null is returned, the maximum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes getPreferredSize and returns that value.

getMinimumSize back to summary

getMinimumSize	back to summary
public Dimension getMinimumSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getMinimumSize. Doc from javax.swing.plaf.ComponentUI.getMinimumSize. Returns the specified component's minimum size appropriate for the look and feel. If `null` is returned, the minimum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes `getPreferredSize` and returns that value.

public Dimension getMinimumSize(JComponent c)

Overrides javax.swing.plaf.ComponentUI.getMinimumSize.

Doc from javax.swing.plaf.ComponentUI.getMinimumSize.

Returns the specified component's minimum size appropriate for the look and feel. If null is returned, the minimum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokes getPreferredSize and returns that value.

getPreferredSize back to summary

getPreferredSize	back to summary
public Dimension getPreferredSize(JComponent c) Overrides javax.swing.plaf.ComponentUI.getPreferredSize. Doc from javax.swing.plaf.ComponentUI.getPreferredSize. Returns the specified component's preferred size appropriate for the look and feel. If `null` is returned, the preferred size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method returns `null`.

public Dimension getPreferredSize(JComponent c)

Overrides javax.swing.plaf.ComponentUI.getPreferredSize.

Doc from javax.swing.plaf.ComponentUI.getPreferredSize.

Returns the specified component's preferred size appropriate for the look and feel. If null is returned, the preferred size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method returns null.

getPropertyPrefix	back to summary
protected String getPropertyPrefix() Returns the property prefix. Returns:String the property prefix

getPropertyPrefix

back to summary

protected String getPropertyPrefix()

Returns the property prefix.

Returns:String: the property prefix

getTextShiftOffset	back to summary
protected int getTextShiftOffset() Returns the offset of the text. Returns:int the offset of the text

getTextShiftOffset

back to summary

protected int getTextShiftOffset()

Returns the offset of the text.

Returns:int: the offset of the text

installDefaults	back to summary
protected void installDefaults(AbstractButton b) Installs default properties. Parameters b:AbstractButton an abstract button

installDefaults

back to summary

protected void installDefaults(AbstractButton b)

Installs default properties.

Parameters

b:AbstractButton: an abstract button

installKeyboardActions	back to summary
protected void installKeyboardActions(AbstractButton b) Registers keyboard actions. Parameters b:AbstractButton an abstract button

installKeyboardActions

back to summary

protected void installKeyboardActions(AbstractButton b)

Registers keyboard actions.

Parameters

b:AbstractButton: an abstract button

installListeners	back to summary
protected void installListeners(AbstractButton b) Registers listeners. Parameters b:AbstractButton an abstract button

installListeners

back to summary

protected void installListeners(AbstractButton b)

Registers listeners.

Parameters

b:AbstractButton: an abstract button

installUI back to summary

installUI	back to summary
public void installUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.installUI. Doc from javax.swing.plaf.ComponentUI.installUI. Configures the specified component appropriately for the look and feel. This method is invoked when the `ComponentUI` instance is being installed as the UI delegate on the specified component. This method should completely configure the component for the look and feel, including the following: Install default property values for color, fonts, borders, icons, opacity, etc. on the component. Whenever possible, property values initialized by the client program should not be overridden. Install a `LayoutManager` on the component if necessary. Create/add any required sub-components to the component. Create/install event listeners on the component. Create/install a `PropertyChangeListener` on the component in order to detect and respond to component property changes appropriately. Install keyboard UI (mnemonics, traversal, etc.) on the component. Initialize any appropriate instance data.

public void installUI(JComponent c)

Overrides javax.swing.plaf.ComponentUI.installUI.

Doc from javax.swing.plaf.ComponentUI.installUI.

Configures the specified component appropriately for the look and feel. This method is invoked when the ComponentUI instance is being installed as the UI delegate on the specified component. This method should completely configure the component for the look and feel, including the following:

Install default property values for color, fonts, borders, icons, opacity, etc. on the component. Whenever possible, property values initialized by the client program should not be overridden.
Install a LayoutManager on the component if necessary.
Create/add any required sub-components to the component.
Create/install event listeners on the component.
Create/install a PropertyChangeListener on the component in order to detect and respond to component property changes appropriately.
Install keyboard UI (mnemonics, traversal, etc.) on the component.
Initialize any appropriate instance data.

isValidToggleButtonObj	back to summary
private boolean isValidToggleButtonObj(Object obj)

layout	back to summary
private String layout(AbstractButton b, FontMetrics fm, int width, int height)

layout

back to summary

private String layout(AbstractButton b, FontMetrics fm, int width, int height)

paint back to summary

paint	back to summary
public void paint(Graphics g, JComponent c) Overrides javax.swing.plaf.ComponentUI.paint. Doc from javax.swing.plaf.ComponentUI.paint. Paints the specified component appropriately for the look and feel. This method is invoked from the `ComponentUI.update` method when the specified component is being painted. Subclasses should override this method and use the specified `Graphics` object to render the content of the component.

public void paint(Graphics g, JComponent c)

Overrides javax.swing.plaf.ComponentUI.paint.

Doc from javax.swing.plaf.ComponentUI.paint.

Paints the specified component appropriately for the look and feel. This method is invoked from the ComponentUI.update method when the specified component is being painted. Subclasses should override this method and use the specified Graphics object to render the content of the component.

paintButtonPressed back to summary

paintButtonPressed	back to summary
protected void paintButtonPressed(Graphics g, AbstractButton b) Paints a pressed button. Parameters g:Graphics an instance of `Graphics` b:AbstractButton an abstract button

protected void paintButtonPressed(Graphics g, AbstractButton b)

Paints a pressed button.

Parameters

g:Graphics: an instance of Graphics
b:AbstractButton: an abstract button

paintFocus back to summary

paintFocus	back to summary
protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect, Rectangle iconRect) Paints a focused button. Parameters g:Graphics an instance of `Graphics` b:AbstractButton an abstract button viewRect:Rectangle a bounding rectangle to render the button textRect:Rectangle a bounding rectangle to render the text iconRect:Rectangle a bounding rectangle to render the icon

protected void paintFocus(Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect, Rectangle iconRect)

Paints a focused button.

Parameters

g:Graphics: an instance of Graphics
b:AbstractButton: an abstract button
viewRect:Rectangle: a bounding rectangle to render the button
textRect:Rectangle: a bounding rectangle to render the text
iconRect:Rectangle: a bounding rectangle to render the icon

paintIcon back to summary

paintIcon	back to summary
protected void paintIcon(Graphics g, JComponent c, Rectangle iconRect) Paints an icon of the current button. Parameters g:Graphics an instance of `Graphics` c:JComponent a component iconRect:Rectangle a bounding rectangle to render the icon

protected void paintIcon(Graphics g, JComponent c, Rectangle iconRect)

Paints an icon of the current button.

Parameters

g:Graphics: an instance of Graphics
c:JComponent: a component
iconRect:Rectangle: a bounding rectangle to render the icon

paintText back to summary

paintText	back to summary
protected void paintText(Graphics g, JComponent c, Rectangle textRect, String text) Method which renders the text of the current button. As of Java 2 platform v 1.4 this method should not be used or overridden. Use the paintText method which takes the AbstractButton argument. Parameters g:Graphics an instance of `Graphics` c:JComponent a component textRect:Rectangle a bounding rectangle to render the text text:String a string to render

protected void paintText(Graphics g, JComponent c, Rectangle textRect, String text)

Method which renders the text of the current button. As of Java 2 platform v 1.4 this method should not be used or overridden. Use the paintText method which takes the AbstractButton argument.

Parameters

g:Graphics: an instance of Graphics
c:JComponent: a component
textRect:Rectangle: a bounding rectangle to render the text
text:String: a string to render

paintText	back to summary
protected void paintText(Graphics g, AbstractButton b, Rectangle textRect, String text) Method which renders the text of the current button. Parameters g:Graphics Graphics context b:AbstractButton Current button to render textRect:Rectangle Bounding rectangle to render the text text:String String to render Since 1.4

paintText

back to summary

protected void paintText(Graphics g, AbstractButton b, Rectangle textRect, String text)

Method which renders the text of the current button.

Parameters

g:Graphics: Graphics context
b:AbstractButton: Current button to render
textRect:Rectangle: Bounding rectangle to render the text
text:String: String to render

Since

1.4

selectToggleButton	back to summary
private void selectToggleButton(ActionEvent event, boolean next) Select toggle button based on "Previous" or "Next" operation

setTextShiftOffset	back to summary
protected void setTextShiftOffset() Sets the offset of the text.

uninstallDefaults	back to summary
protected void uninstallDefaults(AbstractButton b) Uninstalls default properties. Parameters b:AbstractButton an abstract button

uninstallDefaults

back to summary

protected void uninstallDefaults(AbstractButton b)

Uninstalls default properties.

Parameters

b:AbstractButton: an abstract button

uninstallKeyboardActions	back to summary
protected void uninstallKeyboardActions(AbstractButton b) Unregisters keyboard actions. Parameters b:AbstractButton an abstract button

uninstallKeyboardActions

back to summary

protected void uninstallKeyboardActions(AbstractButton b)

Unregisters keyboard actions.

Parameters

b:AbstractButton: an abstract button

uninstallListeners	back to summary
protected void uninstallListeners(AbstractButton b) Unregisters listeners. Parameters b:AbstractButton an abstract button

uninstallListeners

back to summary

protected void uninstallListeners(AbstractButton b)

Unregisters listeners.

Parameters

b:AbstractButton: an abstract button

uninstallUI back to summary

uninstallUI	back to summary
public void uninstallUI(JComponent c) Overrides javax.swing.plaf.ComponentUI.uninstallUI. Doc from javax.swing.plaf.ComponentUI.uninstallUI. Reverses configuration which was done on the specified component during `installUI`. This method is invoked when this `UIComponent` instance is being removed as the UI delegate for the specified component. This method should undo the configuration performed in `installUI`, being careful to leave the `JComponent` instance in a clean state (no extraneous listeners, look-and-feel-specific property objects, etc.). This should include the following: Remove any UI-set borders from the component. Remove any UI-set layout managers on the component. Remove any UI-added sub-components from the component. Remove any UI-added event/property listeners from the component. Remove any UI-installed keyboard UI from the component. Nullify any allocated instance data objects to allow for GC.

public void uninstallUI(JComponent c)

Overrides javax.swing.plaf.ComponentUI.uninstallUI.

Doc from javax.swing.plaf.ComponentUI.uninstallUI.

Reverses configuration which was done on the specified component during installUI. This method is invoked when this UIComponent instance is being removed as the UI delegate for the specified component. This method should undo the configuration performed in installUI, being careful to leave the JComponent instance in a clean state (no extraneous listeners, look-and-feel-specific property objects, etc.). This should include the following:

Remove any UI-set borders from the component.
Remove any UI-set layout managers on the component.
Remove any UI-added sub-components from the component.
Remove any UI-added event/property listeners from the component.
Remove any UI-installed keyboard UI from the component.
Nullify any allocated instance data objects to allow for GC.

javax.swing.plaf.basic back to summary

private Class BasicButtonUI.ButtonGroupInfo

Class Inheritance

extends Object

java.lang.Object
javax.swing.plaf.basic.BasicButtonUI.ButtonGroupInfo

ButtonGroupInfo, used to get related info in button group for given toggle button

Field Summary

Modifier and Type	Field and Description
pack-priv JToggleButton	activeBtn
pack-priv HashSet<JToggleButton>	btnsInGroup
pack-priv JToggleButton	firstBtn
pack-priv JToggleButton	lastBtn
pack-priv JToggleButton	nextBtn
pack-priv JToggleButton	previousBtn
pack-priv boolean	srcFound

Constructor Summary

Access	Constructor and Description
public	ButtonGroupInfo(JToggleButton btn)

Method Summary

Modifier and Type	Method and Description
pack-priv boolean	containsInGroup(Object obj)
pack-priv boolean	getButtonGroupInfo()
pack-priv Component	getFocusTransferBaseComponent(boolean next)
pack-priv void	jumpToNextComponent(boolean next) Find the button group the passed in JToggleButton belongs to, and move focus to next component of the last button in the group or previous component of first button
pack-priv void	selectNewButton(boolean next) Find the new toggle/radio button that focus needs to be moved to in the group, select the button In case of radio button, setPressed and setArmed is called on the button model, so that Action set on button is performed on selecting the button

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

activeBtn	back to summary
pack-priv JToggleButton activeBtn

btnsInGroup	back to summary
pack-priv HashSet<JToggleButton> btnsInGroup

firstBtn	back to summary
pack-priv JToggleButton firstBtn

lastBtn	back to summary
pack-priv JToggleButton lastBtn

nextBtn	back to summary
pack-priv JToggleButton nextBtn

previousBtn	back to summary
pack-priv JToggleButton previousBtn

srcFound	back to summary
pack-priv boolean srcFound

Constructor Detail

ButtonGroupInfo	back to summary
public ButtonGroupInfo(JToggleButton btn)

Method Detail

containsInGroup	back to summary
pack-priv boolean containsInGroup(Object obj)

getButtonGroupInfo	back to summary
pack-priv boolean getButtonGroupInfo()

getFocusTransferBaseComponent	back to summary
pack-priv Component getFocusTransferBaseComponent(boolean next)

jumpToNextComponent	back to summary
pack-priv void jumpToNextComponent(boolean next) Find the button group the passed in JToggleButton belongs to, and move focus to next component of the last button in the group or previous component of first button

selectNewButton	back to summary
pack-priv void selectNewButton(boolean next) Find the new toggle/radio button that focus needs to be moved to in the group, select the button In case of radio button, setPressed and setArmed is called on the button model, so that Action set on button is performed on selecting the button

public Class BasicButtonUI

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class BasicButtonUI.ButtonGroupInfo

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class BasicButtonUI.KeyHandler

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private Class BasicButtonUI.SelectNextBtn

Field Summary

Constructor Summary

Method Summary

Constructor Detail

Method Detail

private Class BasicButtonUI.SelectPreviousBtn

Field Summary

Constructor Summary

Method Summary

Constructor Detail

Method Detail

Modifier and Type	Method and Description
private boolean	isFocusTraversalKey(JComponent c, int id, AWTKeyStroke stroke)
public void	keyPressed(KeyEvent e) Implements java.awt.event.KeyListener.keyPressed. Invoked when a key has been pressed.
public void	keyReleased(KeyEvent e) Implements java.awt.event.KeyListener.keyReleased. Invoked when a key has been released.
public void	keyTyped(KeyEvent e) Implements java.awt.event.KeyListener.keyTyped. Invoked when a key has been typed.