- java.lang.Object
- 
- java.awt.MenuComponent
- 
- java.awt.MenuItem
- 
- java.awt.Menu
- 
- java.awt.PopupMenu
 
 
 
 
- 
- All Implemented Interfaces:
- MenuContainer,- Serializable,- Accessible
 
 public class PopupMenu extends Menu A class that implements a menu which can be dynamically popped up at a specified position within a component.As the inheritance hierarchy implies, a PopupMenucan be used anywhere aMenucan be used. However, if you use aPopupMenulike aMenu(e.g., you add it to aMenuBar), then you cannot callshowon thatPopupMenu.- See Also:
- Serialized Form
 
- 
- 
Nested Class SummaryNested Classes Modifier and Type Class Description protected classPopupMenu.AccessibleAWTPopupMenuInner class of PopupMenu used to provide default support for accessibility.- 
Nested classes/interfaces declared in class java.awt.MenuMenu.AccessibleAWTMenu
 - 
Nested classes/interfaces declared in class java.awt.MenuItemMenuItem.AccessibleAWTMenuItem
 - 
Nested classes/interfaces declared in class java.awt.MenuComponentMenuComponent.AccessibleAWTMenuComponent
 
- 
 - 
Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddNotify()Creates the popup menu's peer.AccessibleContextgetAccessibleContext()Gets theAccessibleContextassociated with thisPopupMenu.voidshow(Component origin, int x, int y)Shows the popup menu at the x, y position relative to an origin component.- 
Methods declared in class java.awt.Menuadd, add, addSeparator, countItems, getItem, getItemCount, insert, insert, insertSeparator, isTearOff, paramString, remove, remove, removeAll, removeNotify
 - 
Methods declared in class java.awt.MenuItemaddActionListener, deleteShortcut, disable, disableEvents, enable, enable, enableEvents, getActionCommand, getActionListeners, getLabel, getListeners, getShortcut, isEnabled, processActionEvent, processEvent, removeActionListener, setActionCommand, setEnabled, setLabel, setShortcut
 - 
Methods declared in class java.awt.MenuComponentdispatchEvent, getFont, getName, getParent, getTreeLock, postEvent, setFont, setName, toString
 - 
Methods declared in class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 - 
Methods declared in interface java.awt.MenuContainergetFont, postEvent
 
- 
 
- 
- 
- 
Constructor Detail- 
PopupMenupublic PopupMenu() throws HeadlessExceptionCreates a new popup menu with an empty name.- Throws:
- HeadlessException- if GraphicsEnvironment.isHeadless() returns true.
- See Also:
- GraphicsEnvironment.isHeadless()
 
 - 
PopupMenupublic PopupMenu(String label) throws HeadlessException Creates a new popup menu with the specified name.- Parameters:
- label- a non-- nullstring specifying the popup menu's label
- Throws:
- HeadlessException- if GraphicsEnvironment.isHeadless() returns true.
- See Also:
- GraphicsEnvironment.isHeadless()
 
 
- 
 - 
Method Detail- 
addNotifypublic void addNotify() Creates the popup menu's peer. The peer allows us to change the appearance of the popup menu without changing any of the popup menu's functionality.
 - 
showpublic void show(Component origin, int x, int y) Shows the popup menu at the x, y position relative to an origin component. The origin component must be contained within the component hierarchy of the popup menu's parent. Both the origin and the parent must be showing on the screen for this method to be valid.If this PopupMenuis being used as aMenu(i.e., it has a non-Componentparent), then you cannot call this method on thePopupMenu.- Parameters:
- origin- the component which defines the coordinate space
- x- the x coordinate position to popup the menu
- y- the y coordinate position to popup the menu
- Throws:
- NullPointerException- if the parent is- null
- IllegalArgumentException- if this- PopupMenuhas a non-- Componentparent
- IllegalArgumentException- if the origin is not in the parent's hierarchy
- RuntimeException- if the parent is not showing on screen
 
 - 
getAccessibleContextpublic AccessibleContext getAccessibleContext() Gets theAccessibleContextassociated with thisPopupMenu.- Specified by:
- getAccessibleContextin interface- Accessible
- Overrides:
- getAccessibleContextin class- Menu
- Returns:
- the AccessibleContextof thisPopupMenu
- Since:
- 1.3
 
 
- 
 
-