ComponentFactory.Krypton.Ribbon.QATExtraButtonController.KeyDownRibbon C# (CSharp) Method

        private void KeyDownRibbon(KeyEventArgs e)
        {
            ViewBase newView = null;

            switch (e.KeyData)
            {
                case Keys.Tab:
                case Keys.Right:
                    // Ask the ribbon to get use the next view for the qat
                    newView = Ribbon.GetNextQATView(Target, (e.KeyData == Keys.Tab));
                    break;
                case Keys.Tab | Keys.Shift:
                case Keys.Left:
                    // Ask the ribbon to get use the previous view for the qat
                    newView = Ribbon.GetPreviousQATView(Target);
                    break;
                case Keys.Down:
                case Keys.Space:
                case Keys.Enter:
                    // Change to a fixed pressed appearance
                    SetFixed();
                    UpdateTargetState();

                    // Generate a click event
                    OnClick(new MouseEventArgs(MouseButtons.Left, 1, 0, 0, 0));

                    // Get access to the popup for the group
                    if (!VisualPopupManager.Singleton.IsShowingCMS &&
                        (VisualPopupManager.Singleton.CurrentPopup != null) &&
                        (VisualPopupManager.Singleton.CurrentPopup is VisualPopupQATOverflow))
                    {
                        // Cast to correct type
                        VisualPopupQATOverflow popupOverflow = (VisualPopupQATOverflow)VisualPopupManager.Singleton.CurrentPopup;
                        popupOverflow.SetFirstFocusItem();
                    }
                    break;
            }

            // If we have a new view to focus and it is not ourself...
            if ((newView != null) && (newView != Target))
            {
                // If the new view is a tab then select that tab
                if ((newView is ViewDrawRibbonTab) && !Ribbon.RealMinimizedMode)
                    Ribbon.SelectedTab = ((ViewDrawRibbonTab)newView).RibbonTab;

                // Finally we switch focus to new view
                Ribbon.FocusView = newView;
            }
        }