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

PopupMenuUI()

Modifier	Constructor	Description
`protected`	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 `i`th `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()`	Creates and returns a copy of this object.
`boolean`	`equals(Object obj)`	Indicates whether some other object is "equal to" this one.
`protected void`	`finalize()`	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
`final Class<?>`	`getClass()`	Returns the runtime class of this `Object`.
`int`	`hashCode()`	Returns a hash code value for this object.
`final void`	`notify()`	Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()`	Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()`	Returns a string representation of the object.
`final void`	`wait()`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
`final void`	`wait(long timeoutMillis)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis, int nanos)`	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

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

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