Bug 186053 [Forms] MSAA problems with FormText , role and default action
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/FormText.java
case SWT.TRAVERSE_PAGE_NEXT:
				case SWT.TRAVERSE_PAGE_PREVIOUS:
				case SWT.TRAVERSE_ARROW_NEXT:
				case SWT.TRAVERSE_ARROW_PREVIOUS:
					e.doit = false;
					return;
				}
				if (!model.hasFocusSegments()) {
					e.doit = true;
					return;
				}
				if (e.detail == SWT.TRAVERSE_TAB_NEXT)
					e.doit = advance(true);
				else if (e.detail == SWT.TRAVERSE_TAB_PREVIOUS)
					e.doit = advance(false);
				else if (e.detail != SWT.TRAVERSE_RETURN)
					e.doit = true;
			}
		});
		addFocusListener(new FocusListener() {
			public void focusGained(FocusEvent e) {
				if (!hasFocus) {
					hasFocus = true;
					if (DEBUG_FOCUS) {
						System.out.println("FormText: focus gained"); 
					}
					if (!mouseFocus && !controlFocusTransfer) {
						handleFocusChange();
					}
				}