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
event.data = dragDataFiles;
			}
		}
		public void dragStart(org.eclipse.swt.dnd.DragSourceEvent event) {
			dragConsole.append(">>dragStart\n");
			printEvent(event);
			dragDataFiles = fileList.getItems();
			switch(dragControlType) {
				case BUTTON_CHECK:
				case BUTTON_TOGGLE:
				case BUTTON_RADIO: {
					Button b = (Button)dragControl;
					dragDataText = b.getSelection() ? "true" : "false";
					break;
				}
				case STYLED_TEXT: {
					StyledText text = (StyledText)dragControl;
					String s = text.getSelectionText();
					if (s.length() == 0) {
						event.doit = false;
					} else {
						dragDataText = s;
					}
					break;
				}
				case TABLE: {
					Table table = (Table)dragControl;
					TableItem[] items = table.getSelection();
					if (items.length == 0) {
						event.doit = false;