Qtリファレンス Alt Key 新しいページはコチラ

　<span style="color:#cccccc;">This function takes a list of widgets (for example, all the widgets on a particular tab widget page) and optionally an alphabet. It adds keyboard accelerators to every suitable widget, (i.e., to every buddy label and button), wherever possible. </span><span style="color:#cccccc;">Existing accelerators are respected as are plain ampersands (<span style="color:#cccccc;">which are represented by "&&" in strings</span>).