@Override
	protected Cursor getDropOkCursor(int action) {
		if (feedbackCursor != null) {
			return feedbackCursor;
		}
		return super.getDropOkCursor(action);
	}
Drag source adapter on tree to set the custom cursors for the drag under feedback.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/programtree/TreeDragSrcAdapter.java