private static Focusable GetFirstFocusableChild(VisualElement ve)
{
int childCount = ve.hierarchy.childCount;
int i = 0;
Focusable result;
while (i < childCount)
{
VisualElement visualElement = ve.hierarchy[i];
bool canGrabFocus = visualElement.canGrabFocus;
if (!canGrabFocus)
{
bool flag = visualElement.hierarchy.parent != null && visualElement == visualElement.hierarchy.parent.contentContainer;
bool flag2 = !visualElement.isCompositeRoot && !flag;
if (flag2)
{
Focusable firstFocusableChild = Focusable.GetFirstFocusableChild(visualElement);
bool flag3 = firstFocusableChild != null;
if (flag3)
{
result = firstFocusableChild;
return(result);
}
}
i++;
continue;
}
result = visualElement;
return(result);
}
result = null;
return(result);
}
private Focusable GetFocusDelegate()
{
Focusable focusable = this;
while (focusable != null && focusable.delegatesFocus)
{
focusable = Focusable.GetFirstFocusableChild(focusable as VisualElement);
}
return(focusable);
}
