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package java.awt.dnd.peer;

import java.awt.Cursor;
import java.awt.Image;
import java.awt.Point;
import java.awt.dnd.DragSourceContext;
import java.awt.dnd.InvalidDnDOperationException;


This interface is supplied by the underlying window system platform to expose the behaviors of the Drag and Drop system to an originator of the same

Since:1.2
/** * <p> * This interface is supplied by the underlying window system platform to * expose the behaviors of the Drag and Drop system to an originator of * the same * </p> * * @since 1.2 * */
public interface DragSourceContextPeer {
start a drag
Params:
  • dsc – the DragSourceContext
  • c – the cursor
  • dragImage – the image to be dragged
  • imageOffset – the offset
/** * start a drag * @param dsc the DragSourceContext * @param c the cursor * @param dragImage the image to be dragged * @param imageOffset the offset */
void startDrag(DragSourceContext dsc, Cursor c, Image dragImage, Point imageOffset) throws InvalidDnDOperationException;
return the current drag cursor
Returns:the current drag cursor
/** * return the current drag cursor * @return the current drag cursor */
Cursor getCursor();
set the current drag cursor
Params:
  • c – the cursor
/** * set the current drag cursor * @param c the cursor */
void setCursor(Cursor c) throws InvalidDnDOperationException;
notify the peer that the Transferables DataFlavors have changed
/** * notify the peer that the Transferables DataFlavors have changed */
void transferablesFlavorsChanged(); }