As the inheritance hierarchy implies, a PopupMenu
can be used anywhere a Menu
can be used.
However, if you use a PopupMenu
like a Menu
(e.g., you add it to a MenuBar
), then you cannot
call show
on that PopupMenu
.
Modifier and Type | Class and Description |
---|---|
protected class |
PopupMenu.AccessibleAWTPopupMenu
Inner class of PopupMenu used to provide default support for
accessibility.
|
Menu.AccessibleAWTMenu
MenuItem.AccessibleAWTMenuItem
MenuComponent.AccessibleAWTMenuComponent
Constructor and Description |
---|
PopupMenu()
Creates a new popup menu with an empty name.
|
PopupMenu(java.lang.String label)
Creates a new popup menu with the specified name.
|
Modifier and Type | Method and Description |
---|---|
void |
addNotify()
Creates the popup menu's peer.
|
javax.accessibility.AccessibleContext |
getAccessibleContext()
Gets the
AccessibleContext associated with this
PopupMenu . |
MenuContainer |
getParent()
Returns the parent container for this menu component.
|
void |
show(Component origin,
int x,
int y)
Shows the popup menu at the x, y position relative to an origin
component.
|
add, add, addSeparator, countItems, getItem, getItemCount, insert, insert, insertSeparator, isTearOff, paramString, remove, remove, removeAll, removeNotify
addActionListener, deleteShortcut, disable, disableEvents, enable, enable, enableEvents, getActionCommand, getActionListeners, getLabel, getListeners, getShortcut, isEnabled, processActionEvent, processEvent, removeActionListener, setActionCommand, setEnabled, setLabel, setShortcut
dispatchEvent, getFont, getName, getPeer, getTreeLock, postEvent, setFont, setName, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
getFont, postEvent
HeadlessException
- if GraphicsEnvironment.isHeadless()
returns true.GraphicsEnvironment.isHeadless()
label
- a non-null
string specifying
the popup menu's labelHeadlessException
- if GraphicsEnvironment.isHeadless()
returns true.GraphicsEnvironment.isHeadless()
getParent
in class MenuComponent
null
if this menu component
is the outermost component, the menu bar itself
If this PopupMenu
is being used as a Menu
(i.e., it has a non-Component
parent),
then you cannot call this method on the PopupMenu
.
origin
- the component which defines the coordinate spacex
- the x coordinate position to popup the menuy
- the y coordinate position to popup the menujava.lang.NullPointerException
- if the parent is null
java.lang.IllegalArgumentException
- if this PopupMenu
has a non-Component
parentjava.lang.IllegalArgumentException
- if the origin is not in the
parent's heirarchyjava.lang.RuntimeException
- if the parent is not showing on screenAccessibleContext
associated with this
PopupMenu
.getAccessibleContext
in interface javax.accessibility.Accessible
getAccessibleContext
in class Menu
AccessibleContext
of this
PopupMenu