Class PopupMenuUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.PopupMenuUI

Direct Known Subclasses:

BasicPopupMenuUI, MultiPopupMenuUI

public abstract class PopupMenuUI
extends ComponentUI

Pluggable look and feel interface for JPopupMenu.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PopupMenuUI()	Constructor for subclasses to call.

Method Summary

Modifier and Type	Method	Description
Popup	getPopup(JPopupMenu popup, int x, int y)	Returns the Popup that will be responsible for displaying the JPopupMenu.
boolean	isPopupTrigger(MouseEvent e)	Returns whether or not the given MouseEvent is the popup menu trigger event for the platform

Methods declared in class ComponentUI

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

Modifier and Type	Method	Description
boolean	contains(JComponent c, int x, int y)	Returns true if the specified x,y location is contained within the look and feel's defined shape of the specified component.
static ComponentUI	createUI(JComponent c)	Returns an instance of the UI delegate for the specified component.
Accessible	getAccessibleChild(JComponent c, int i)	Returns the ith Accessible child of the object.
int	getAccessibleChildrenCount(JComponent c)	Returns the number of accessible children in the object.
int	getBaseline(JComponent c, int width, int height)	Returns the baseline.
Component.BaselineResizeBehavior	getBaselineResizeBehavior(JComponent c)	Returns an enum indicating how the baseline of the component changes as the size changes.
Dimension	getMaximumSize(JComponent c)	Returns the specified component's maximum size appropriate for the look and feel.
Dimension	getMinimumSize(JComponent c)	Returns the specified component's minimum size appropriate for the look and feel.
Dimension	getPreferredSize(JComponent c)	Returns the specified component's preferred size appropriate for the look and feel.
void	installUI(JComponent c)	Configures the specified component appropriately for the look and feel.
void	paint(Graphics g, JComponent c)	Paints the specified component appropriately for the look and feel.
void	uninstallUI(JComponent c)	Reverses configuration which was done on the specified component during installUI.
void	update(Graphics g, JComponent c)	Notifies this UI delegate that it is time to paint the specified component.

Methods declared in class Object

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

Modifier and Type	Method	Description
protected Object	clone()	Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
boolean	equals(Object o)	Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. May cause performance issues, deadlocks and hangs.
final Class<? extends Object>	getClass()	Answers the unique instance of java.lang.Class which represents the class of the receiver.
int	hashCode()	Answers an integer hash code for the receiver.
final void	notify()	Causes one thread which is waiting on the receiver to be made ready to run.
final void	notifyAll()	Causes all threads which are waiting on the receiver to be made ready to run.
String	toString()	Answers a string containing a concise, human-readable description of the receiver.
final void	wait()	Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
final void	wait(long time)	Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
final void	wait(long time, int frac)	Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

Constructor Details

PopupMenuUI

protected PopupMenuUI()

Constructor for subclasses to call.

Method Details

isPopupTrigger

public boolean isPopupTrigger(MouseEvent e)

Returns whether or not the given MouseEvent is the popup menu trigger event for the platform

Parameters:

e - a MouseEvent

Returns:

true if the MouseEvent e is the popup menu trigger

Since:

1.3

getPopup

public Popup getPopup(JPopupMenu popup,
 int x,
 int y)

Returns the Popup that will be responsible for displaying the JPopupMenu.

Parameters:

popup - JPopupMenu requesting Popup

x - Screen x location Popup is to be shown at

y - Screen y location Popup is to be shown at.

Returns:

Popup that will show the JPopupMenu

Since:

1.4