Bug 189847 [DND] Combo/Text on Linux does not fire Drop event.
examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/dnd/DNDExample.java
dropOperation &= ~DND.DROP_DEFAULT;
				if (dropEnabled) {
					createDropTarget();
				}
			}
		}
	});
	
	
	moveButton.setSelection(true);
	copyButton.setSelection(true);
	linkButton.setSelection(true);
	dropOperation = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK;
}
private void createDropTarget() {
	if (dropTarget != null) dropTarget.dispose();
	dropTarget = new DropTarget(dropControl, dropOperation);
	dropTarget.setTransfer(dropTypes);
	dropTarget.addDropListener(new DropTargetListener() {
		public void dragEnter(DropTargetEvent event) {
			dropConsole.append(">>dragEnter\n");
			printEvent(event);
			if (event.detail == DND.DROP_DEFAULT) {
				event.detail = dropDefaultOperation;
			}
			event.feedback = dropFeedback;
		}
		public void dragLeave(DropTargetEvent event) {
			dropConsole.append(">>dragLeave\n");
			printEvent(event);