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Java Source Code / Java Documentation » 6.0 JDK Core » AWT » java.awt.dnd 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.util.EventObject
      java.awt.dnd.DragSourceEvent

All known Subclasses:   java.awt.dnd.DragSourceDropEvent,  java.awt.dnd.DragSourceDragEvent,
DragSourceEvent
public class DragSourceEvent extends EventObject (Code)
This class is the base class for DragSourceDragEvent and DragSourceDropEvent.

DragSourceEvents are generated whenever the drag enters, moves over, or exits a drop site, when the drop action changes, and when the drag ends. The location for the generated DragSourceEvent specifies the mouse cursor location in screen coordinates at the moment this event occured.

In a multi-screen environment without a virtual device, the cursor location is specified in the coordinate system of the initiator GraphicsConfiguration. The initiator GraphicsConfiguration is the GraphicsConfiguration of the Component on which the drag gesture for the current drag operation was recognized. If the cursor location is outside the bounds of the initiator GraphicsConfiguration, the reported coordinates are clipped to fit within the bounds of that GraphicsConfiguration.

In a multi-screen environment with a virtual device, the location is specified in the corresponding virtual coordinate system. If the cursor location is outside the bounds of the virtual device the reported coordinates are clipped to fit within the bounds of the virtual device.
since:
   1.2




Constructor Summary
public  DragSourceEvent(DragSourceContext dsc)
     Construct a DragSourceEvent given a specified DragSourceContext.
public  DragSourceEvent(DragSourceContext dsc, int x, int y)
     Construct a DragSourceEvent given a specified DragSourceContext, and coordinates of the cursor location.

Method Summary
public  DragSourceContextgetDragSourceContext()
     This method returns the DragSourceContext that originated the event.
public  PointgetLocation()
     This method returns a Point indicating the cursor location in screen coordinates at the moment this event occured, or null if the cursor location is not specified for this event.
public  intgetX()
     This method returns the horizontal coordinate of the cursor location in screen coordinates at the moment this event occured, or zero if the cursor location is not specified for this event.
public  intgetY()
     This method returns the vertical coordinate of the cursor location in screen coordinates at the moment this event occured, or zero if the cursor location is not specified for this event.


Constructor Detail
DragSourceEvent
public DragSourceEvent(DragSourceContext dsc)(Code)
Construct a DragSourceEvent given a specified DragSourceContext. The coordinates for this DragSourceEvent are not specified, so getLocation will return null for this event.
Parameters:
  dsc - the DragSourceContext IllegalArgumentException if dsc is null.
See Also:   DragSourceEvent.getLocation



DragSourceEvent
public DragSourceEvent(DragSourceContext dsc, int x, int y)(Code)
Construct a DragSourceEvent given a specified DragSourceContext, and coordinates of the cursor location.
Parameters:
  dsc - the DragSourceContext
Parameters:
  x - the horizontal coordinate for the cursor location
Parameters:
  y - the vertical coordinate for the cursor location IllegalArgumentException if dsc is null.
since:
   1.4




Method Detail
getDragSourceContext
public DragSourceContext getDragSourceContext()(Code)
This method returns the DragSourceContext that originated the event.

the DragSourceContext that originated the event




getLocation
public Point getLocation()(Code)
This method returns a Point indicating the cursor location in screen coordinates at the moment this event occured, or null if the cursor location is not specified for this event. the Point indicating the cursor locationor null if the cursor location is not specified
since:
   1.4



getX
public int getX()(Code)
This method returns the horizontal coordinate of the cursor location in screen coordinates at the moment this event occured, or zero if the cursor location is not specified for this event. an integer indicating the horizontal coordinate of the cursor location or zero if the cursor location is not specified
since:
   1.4



getY
public int getY()(Code)
This method returns the vertical coordinate of the cursor location in screen coordinates at the moment this event occured, or zero if the cursor location is not specified for this event. an integer indicating the vertical coordinate of the cursorlocation or zero if the cursor location is not specified
since:
   1.4



Fields inherited from java.util.EventObject
protected transient Object source(Code)(Java Doc)

Methods inherited from java.util.EventObject
public Object getSource()(Code)(Java Doc)
public String toString()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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