TabRect
BRect rect = TabRect(tab);
rect = rect | TabRect(tab);
BRect rect = TabRect(tab);
BRect updatedRect = TabRect(tab);
updateRegion->Include(TabRect(index));
BRect TabRect(int32 tab) const;
BRect TabRect(Decorator::Tab* tab) const;
BRect rect = TabRect((int32) 0) | TabRect(CountTabs() - 1);
rect = rect | TabRect(CountTabs() - 1);
BRect oldRect = TabRect(index) | TabRect(CountTabs() - 1);
fOldTabLocatiom = decorator->TabRect(fWindow->PositionInStack()).left;