# Class BasicPopupMenuUI

java.lang.Object
javax.swing.plaf.ComponentUI
javax.swing.plaf.PopupMenuUI
javax.swing.plaf.basic.BasicPopupMenuUI

Direct Known Subclasses:
  `SynthPopupMenuUI`

public class BasicPopupMenuUI extends PopupMenuUI
A Windows L&F implementation of PopupMenuUI. This implementation is a "combined" view/controller.

## Field Summary

Fields
Modifier and Type
Field
Description
`protected JPopupMenu`
`popupMenu`
The instance of `JPopupMenu`.

## Constructor Summary

Constructors
Constructor
Description
`BasicPopupMenuUI()`
Constructs a new instance of `BasicPopupMenuUI`.

## Method Summary

Modifier and Type
Method
Description
`static ComponentUI`
`createUI(JComponent x)`
Constructs a new instance of `BasicPopupMenuUI`.
`void`
`installDefaults()`
Installs default properties.
`protected void`
`installKeyboardActions()`
Registers keyboard actions.
`protected void`
`installListeners()`
Registers listeners.
`protected void`
`uninstallDefaults()`
Uninstalls default properties.
`protected void`
`uninstallKeyboardActions()`
Unregisters keyboard actions.
`protected void`
`uninstallListeners()`
Unregisters listeners.

### Methods declared in class PopupMenuUI

`getPopup, isPopupTrigger`

### Methods declared in class ComponentUI

`contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update`

### Methods declared in class Object

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

## Field Details

### popupMenu

protected JPopupMenu popupMenu
The instance of `JPopupMenu`.

## Constructor Details

### BasicPopupMenuUI

public BasicPopupMenuUI()
Constructs a new instance of `BasicPopupMenuUI`.

## Method Details

### createUI

public static ComponentUI createUI(JComponent x)
Constructs a new instance of `BasicPopupMenuUI`.

Parameters:
  `x` - a component
Returns:
  a new instance of `BasicPopupMenuUI`

### installDefaults

public void installDefaults()
Installs default properties.

### installListeners

protected void installListeners()
Registers listeners.

### installKeyboardActions

protected void installKeyboardActions()
Registers keyboard actions.

### uninstallDefaults

protected void uninstallDefaults()
Uninstalls default properties.

### uninstallListeners

protected void uninstallListeners()
Unregisters listeners.

### uninstallKeyboardActions

protected void uninstallKeyboardActions()
Unregisters keyboard actions.