internal FocusMovement(
DependencyObject?target,
FocusMovement copy)
{
Target = target;
FocusState = copy.FocusState;
Direction = copy.Direction;
XYFocusOptions = copy.XYFocusOptions;
ForceBringIntoView = copy.ForceBringIntoView;
AnimateIfBringIntoView = copy.AnimateIfBringIntoView;
IsProcessingTab = copy.IsProcessingTab;
IsShiftPressed = copy.IsShiftPressed;
CanCancel = copy.CanCancel;
CanDepartFocus = copy.CanDepartFocus;
CanNavigateFocus = copy.CanNavigateFocus;
RaiseGettingLosingEvents = copy.RaiseGettingLosingEvents;
ShouldCompleteAsyncOperation = copy.ShouldCompleteAsyncOperation;
CorrelationId = copy.CorrelationId;
}
internal bool TryHandleTabFocus(bool isShiftDown)
{
var direction = isShiftDown ? FocusNavigationDirection.Previous : FocusNavigationDirection.Next;
var contentRoot = VisualTree.GetContentRootForElement(_rootVisual);
if (contentRoot == null)
{
return(false);
}
contentRoot.InputManager.LastInputDeviceType = InputDeviceType.Keyboard;
var focusManager = VisualTree.GetFocusManagerForElement(_rootVisual);
var focusMovement = new FocusMovement(XYFocusOptions.Default, direction, null);
focusMovement.IsShiftPressed = _isShiftDown;
focusMovement.IsProcessingTab = true;
var result = focusManager?.FindAndSetNextFocus(focusMovement);
return(result?.WasMoved == true);
}
