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
break;
					}
					case STYLED_TEXT: {
						StyledText text = (StyledText)dragControl;
						text.insert("");
						break;
					}
					case TABLE: {
						Table table = (Table)dragControl;
						TableItem[] items = table.getSelection();
						for (int i = 0; i < items.length; i++) {
							items[i].dispose();
						}
						break;
					}
					case TEXT: {
						Text text = (Text)dragControl;
						text.insert("");
						break;
					}
					case TREE: {
						Tree tree = (Tree)dragControl;
						TreeItem[] items = tree.getSelection();
						for (int i = 0; i < items.length; i++) {
							items[i].dispose();
						}
						break;
					}
					case CANVAS: {
						dragControl.setData("STRINGS", null);