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
private int dragOperation = 0;
	private Transfer[] dragTypes = new Transfer[0];
	private Control dragControl;
	private int dragControlType = 0;
	private DragSource dragSource;
	private String dragDataText;
	private String dragDataRTF;
	private String dragDataHTML;
	private String[] dragDataFiles;
	private List fileList;
	private boolean dragEnabled = false;
	
	private int dropOperation = 0;
	private int dropFeedback = 0;
	private int dropDefaultOperation = 0;
	private Transfer[] dropTypes = new Transfer[0];
	private DropTarget dropTarget;
	private Control dropControl;
	private int dropControlType = 0;
	private Composite defaultParent;
	private boolean dropEnabled = false;
	
	private Text dragConsole;
	private boolean dragEventDetail = false;
	private Text dropConsole;
	private boolean dropEventDetail = false;