- All Implemented Interfaces:
Serializable
- Direct Known Subclasses:
DragSourceDragEvent,DragSourceDropEvent
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
occurred.
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
- See Also:
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Field Summary
Fields declared in class java.util.EventObject
source -
Constructor Summary
ConstructorsConstructorDescriptionConstruct aDragSourceEventgiven a specifiedDragSourceContext.DragSourceEvent(DragSourceContext dsc, int x, int y) Construct aDragSourceEventgiven a specifiedDragSourceContext, and coordinates of the cursor location. -
Method Summary
Modifier and TypeMethodDescriptionThis method returns theDragSourceContextthat originated the event.This method returns aPointindicating the cursor location in screen coordinates at the moment this event occurred, ornullif the cursor location is not specified for this event.intgetX()This method returns the horizontal coordinate of the cursor location in screen coordinates at the moment this event occurred, or zero if the cursor location is not specified for this event.intgetY()This method returns the vertical coordinate of the cursor location in screen coordinates at the moment this event occurred, or zero if the cursor location is not specified for this event.Methods declared in class java.util.EventObject
getSource, toString
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Constructor Details
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DragSourceEvent
Construct aDragSourceEventgiven a specifiedDragSourceContext. The coordinates for thisDragSourceEventare not specified, sogetLocationwill returnnullfor this event.- Parameters:
dsc- theDragSourceContext- Throws:
IllegalArgumentException- ifdscisnull.- See Also:
-
DragSourceEvent
Construct aDragSourceEventgiven a specifiedDragSourceContext, and coordinates of the cursor location.- Parameters:
dsc- theDragSourceContextx- the horizontal coordinate for the cursor locationy- the vertical coordinate for the cursor location- Throws:
IllegalArgumentException- ifdscisnull.- Since:
- 1.4
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Method Details
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getDragSourceContext
This method returns theDragSourceContextthat originated the event.- Returns:
- the
DragSourceContextthat originated the event
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getLocation
This method returns aPointindicating the cursor location in screen coordinates at the moment this event occurred, ornullif the cursor location is not specified for this event.- Returns:
- the
Pointindicating the cursor location ornullif the cursor location is not specified - Since:
- 1.4
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getX
public int getX()This method returns the horizontal coordinate of the cursor location in screen coordinates at the moment this event occurred, or zero if the cursor location is not specified for this event.- Returns:
- an integer indicating the horizontal coordinate of the cursor location or zero if the cursor location is not specified
- Since:
- 1.4
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getY
public int getY()This method returns the vertical coordinate of the cursor location in screen coordinates at the moment this event occurred, or zero if the cursor location is not specified for this event.- Returns:
- an integer indicating the vertical coordinate of the cursor location or zero if the cursor location is not specified
- Since:
- 1.4
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