Bug 126527 [Field Assist] - API - Field Decoration alignment issues are different for cell editors
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/DecoratedTextCellEditor.java
handleDefaultSelection(e);
			}
		});
		text.addKeyListener(new KeyAdapter() {
			
			public void keyPressed(KeyEvent e) {
				keyReleaseOccured(e);
				
				
				if ((getControl() == null) || getControl().isDisposed())
					return;
				checkSelection(); 
				checkDeleteable();
				checkSelectable();
			}
		});
		text.addTraverseListener(new TraverseListener() {
			public void keyTraversed(TraverseEvent e) {
				if (e.detail == SWT.TRAVERSE_ESCAPE
						|| e.detail == SWT.TRAVERSE_RETURN) {
					e.doit = false;
				}
			}
		});
		
		
		
		
		text.addMouseListener(new MouseAdapter() {
			public void mouseUp(MouseEvent e) {