Serializable
public class AncestorEvent extends AWTEvent
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the java.beans
package. Please see XMLEncoder
.
Modifier and Type | Field | Description |
---|---|---|
static final int |
ANCESTOR_ADDED |
An ancestor-component was added to the hierarchy of visible objects (made visible), and is currently being displayed. |
static final int |
ANCESTOR_MOVED |
An ancestor-component changed its position on the screen. |
static final int |
ANCESTOR_REMOVED |
An ancestor-component was removed from the hierarchy of visible objects (hidden) and is no longer being displayed. |
ACTION_EVENT_MASK, ADJUSTMENT_EVENT_MASK, COMPONENT_EVENT_MASK, consumed, CONTAINER_EVENT_MASK, FOCUS_EVENT_MASK, HIERARCHY_BOUNDS_EVENT_MASK, HIERARCHY_EVENT_MASK, id, INPUT_METHOD_EVENT_MASK, INVOCATION_EVENT_MASK, ITEM_EVENT_MASK, KEY_EVENT_MASK, MOUSE_EVENT_MASK, MOUSE_MOTION_EVENT_MASK, MOUSE_WHEEL_EVENT_MASK, PAINT_EVENT_MASK, RESERVED_ID_MAX, TEXT_EVENT_MASK, WINDOW_EVENT_MASK, WINDOW_FOCUS_EVENT_MASK, WINDOW_STATE_EVENT_MASK
source
Constructor | Description |
---|---|
AncestorEvent |
Constructs an AncestorEvent object to identify a change in an ancestor-component's display-status. |
Modifier and Type | Method | Description |
---|---|---|
Container |
getAncestor() |
Returns the ancestor that the event actually occurred on. |
Container |
getAncestorParent() |
Returns the parent of the ancestor the event actually occurred on. |
JComponent |
getComponent() |
Returns the component that the listener was added to. |
consume, getID, isConsumed, paramString, setSource, toString
getSource
public static final int ANCESTOR_ADDED
public static final int ANCESTOR_REMOVED
public static final int ANCESTOR_MOVED
public AncestorEvent(JComponent source, int id, Container ancestor, Container ancestorParent)
source
- the JComponent that originated the event (typically this
)id
- an int specifying ANCESTOR_ADDED
, ANCESTOR_REMOVED
or ANCESTOR_MOVED
ancestor
- a Container object specifying the ancestor-component whose display-status changedancestorParent
- a Container object specifying the ancestor's parentpublic Container getAncestor()
Container
object specifying the ancestor componentpublic Container getAncestorParent()
Container
object specifying the ancestor's parentpublic JComponent getComponent()
JComponent
on which the event occurred
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/event/AncestorEvent.html