# Class MetalButtonUI

java.lang.Object
javax.swing.plaf.ComponentUI
javax.swing.plaf.ButtonUI
javax.swing.plaf.basic.BasicButtonUI
javax.swing.plaf.metal.MetalButtonUI

public class MetalButtonUI extends BasicButtonUI
MetalButtonUI implementation

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the `java.beans` package. Please see `XMLEncoder`.

## Field Summary

Fields
Modifier and Type
Field
Description
`protected Color`
`disabledTextColor`
The color of the disabled color.
`protected Color`
`focusColor`
The color of the focused button.
`protected Color`
`selectColor`
The color of the selected button.

### Fields declared in class BasicButtonUI

`defaultTextIconGap, defaultTextShiftOffset`

## Constructor Summary

Constructors
Constructor
Description
`MetalButtonUI()`
Constructs a `MetalButtonUI`.

## Method Summary

Modifier and Type
Method
Description
`static ComponentUI`
`createUI(JComponent c)`
Returns an instance of `MetalButtonUI`.
`protected Color`
`getDisabledTextColor()`
Returns the color of a disabled text.
`protected Color`
`getFocusColor()`
Returns the color of the focused button.
`protected Color`
`getSelectColor()`
Returns the color of the selected button.
`void`
`installDefaults(AbstractButton b)`
Installs default properties.
`void`
`uninstallDefaults(AbstractButton b)`
Uninstalls default properties.
`void`
`update(Graphics g, JComponent c)`
If necessary paints the background of the component, then invokes `paint`.

### Methods declared in class BasicButtonUI

`clearTextShiftOffset, createButtonListener, getBaseline, getBaselineResizeBehavior, getDefaultTextIconGap, getPropertyPrefix, getTextShiftOffset, installKeyboardActions, installListeners, paintButtonPressed, paintFocus, paintIcon, paintText, paintText, setTextShiftOffset, uninstallKeyboardActions, uninstallListeners`

### Methods declared in class ComponentUI

`contains, getAccessibleChild, getAccessibleChildrenCount, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI`

### Methods declared in class Object

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

## Field Details

### focusColor

protected Color focusColor
The color of the focused button.

### selectColor

protected Color selectColor
The color of the selected button.

### disabledTextColor

protected Color disabledTextColor
The color of the disabled color.

## Constructor Details

### MetalButtonUI

public MetalButtonUI()
Constructs a `MetalButtonUI`.

## Method Details

### createUI

public static ComponentUI createUI(JComponent c)
Returns an instance of `MetalButtonUI`.

Parameters:
  `c` - a component
Returns:
  an instance of `MetalButtonUI`

### installDefaults

public void installDefaults(AbstractButton b)
Description copied from class: `BasicButtonUI`
Installs default properties.

Overrides:
  `installDefaults` in class `BasicButtonUI`
Parameters:
  `b` - an abstract button

### uninstallDefaults

public void uninstallDefaults(AbstractButton b)
Description copied from class: `BasicButtonUI`
Uninstalls default properties.

Overrides:
  `uninstallDefaults` in class `BasicButtonUI`
Parameters:
  `b` - an abstract button

### getSelectColor

protected Color getSelectColor()
Returns the color of the selected button.

Returns:
  the color of the selected button

### getDisabledTextColor

protected Color getDisabledTextColor()
Returns the color of a disabled text.

Returns:
  the color of a disabled text

### getFocusColor

protected Color getFocusColor()
Returns the color of the focused button.

Returns:
  the color of the focused button

### update

public void update(Graphics g, JComponent c)
If necessary paints the background of the component, then invokes `paint`.

Overrides:
  `update` in class `ComponentUI`
Parameters:
  `g` - Graphics to paint to
  `c` - JComponent painting on
Throws:
  `NullPointerException` - if `g` or `c` is null
Since:
  1.5
See Also:
  - `ComponentUI.update(Graphics, JComponent)`
  - `ComponentUI.paint(Graphics, JComponent)`