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java.lang.Objectjava.util.EventObject
java.awt.AWTEvent
java.awt.event.ComponentEvent
java.awt.event.PaintEvent
public class PaintEvent
The component-level paint event. This event is a special type which is used to ensure that paint/update method calls are serialized along with the other events delivered from the event queue. This event is not designed to be used with the Event Listener model; programs should continue to override paint/update methods in order render themselves properly.
Field Summary | |
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static int |
PAINT
The paint event type. |
static int |
PAINT_FIRST
Marks the first integer id for the range of paint event ids. |
static int |
PAINT_LAST
Marks the last integer id for the range of paint event ids. |
static int |
UPDATE
The update event type. |
Fields inherited from class java.awt.event.ComponentEvent |
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COMPONENT_FIRST, COMPONENT_HIDDEN, COMPONENT_LAST, COMPONENT_MOVED, COMPONENT_RESIZED, COMPONENT_SHOWN |
Constructor Summary | |
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PaintEvent(Component source,
int id,
Rectangle updateRect)
Constructs a PaintEvent object with the specified
source component and type. |
Method Summary | |
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Rectangle |
getUpdateRect()
Returns the rectangle representing the area which needs to be repainted in response to this event. |
String |
paramString()
Returns a parameter string identifying this event. |
void |
setUpdateRect(Rectangle updateRect)
Sets the rectangle representing the area which needs to be repainted in response to this event. |
Methods inherited from class java.awt.event.ComponentEvent |
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getComponent |
Methods inherited from class java.awt.AWTEvent |
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getID, toString |
Methods inherited from class java.util.EventObject |
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getSource |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final int PAINT_FIRST
public static final int PAINT_LAST
public static final int PAINT
public static final int UPDATE
Constructor Detail |
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public PaintEvent(Component source, int id, Rectangle updateRect)
PaintEvent
object with the specified
source component and type.
Note that passing in an invalid id
results in
unspecified behavior.
source
- the object where the event originatedid
- the event typeupdateRect
- the rectangle area which needs to be repaintedMethod Detail |
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public Rectangle getUpdateRect()
public void setUpdateRect(Rectangle updateRect)
updateRect
- the rectangle area which needs to be repaintedpublic String paramString()
ComponentEvent
paramString
in class ComponentEvent
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