/// Set focus to the first control of the current widget. The focus policy of the control is checked.
/// If the widget has the NonFocus focus policy, it is skipped.
/// \return the state whether the widget can accept the focus
virtual bool focusTo();
/// Set focus to the first control of the current widget. The focus policy of the control is checked.
/// If the widget has the NonFocus focus policy, it is skipped.
/// \return the state whether the widget can accept the focus
virtual bool focusTo();