public virtual MyGuiControlBase GetNextFocusControl(MyGuiControlBase currentFocusControl, bool forwardMovement)
{
int currentIdx = Elements.IndexOf(currentFocusControl);
if (currentIdx == -1 && !forwardMovement)
{
currentIdx = Elements.Count;
}
int i = (forwardMovement) ? (currentIdx + 1)
: (currentIdx - 1);
int step = (forwardMovement) ? +1 : -1;
while ((forwardMovement && i < Elements.Count) ||
(!forwardMovement && i >= 0))
{
if (MyGuiScreenBase.CanHaveFocusRightNow(Elements[i]))
{
return(Elements[i]);
}
i += step;
}
return(Owner.GetNextFocusControl(this, forwardMovement));
}
public MyGuiControlBase GetNextFocusControl(MyGuiControlBase currentFocusControl, bool forwardMovement)
{
Debug.Assert(currentFocusControl.Owner == this);
var visibleControls = Controls.GetVisibleControls();
// Pretend that both Controls and Elements are in single array.
int totalCount = visibleControls.Count + Elements.Count;
int idxCurrent = visibleControls.IndexOf(currentFocusControl);
if (idxCurrent == -1)
{
idxCurrent = Elements.IndexOf(currentFocusControl);
Debug.Assert(idxCurrent != -1);
idxCurrent += visibleControls.Count;
}
int sign = (forwardMovement) ? +1 : -1;
for (int i = 1; i < totalCount; ++i)
{
int idx = idxCurrent + (sign * i);
if (forwardMovement)
{
idx %= totalCount;
}
else if (idx < 0)
{
idx += totalCount;
}
if (idx < visibleControls.Count)
{
if (CanHaveFocusRightNow(visibleControls[idx]))
{
if (visibleControls[idx] is MyGuiControlParent)
{
return(visibleControls[idx].GetFocusControl(forwardMovement));
}
else
{
return(visibleControls[idx]);
}
}
}
else
{
idx -= visibleControls.Count;
if (CanHaveFocusRightNow(Elements[idx]))
{
return(Elements[idx]);
}
}
}
return(null);
}