144         if (PointerWindows[i] && IsParent(win, PointerWindows[i]))  in FirstPointerChild()
165             IsParent(win, FocusWindows[i]))  in FirstFocusChild()
219         if (IsParent(b, a))  in CommonAncestor()
545     if (IsParent(from, to))  in CoreEnterLeaveEvents()
547     else if (IsParent(to, from))  in CoreEnterLeaveEvents()
559     if (IsParent(from, to)) {  in DeviceEnterLeaveEvents()
566     else if (IsParent(to, from)) {  in DeviceEnterLeaveEvents()
975     if (!IsParent(pwin_parent, P))  in CoreFocusOutNotifyPointerEvents()
980         (IsParent(exclude, P) || IsParent(P, exclude)))  in CoreFocusOutNotifyPointerEvents()
1022     if (!P || P == exclude || (pwin_parent != P && !IsParent(pwin_parent, P)))  in CoreFocusInNotifyPointerEvents()
1025     if (exclude != None && (IsParent(exclude, P) || IsParent(P, exclude)))  in CoreFocusInNotifyPointerEvents()
1277                 if (ptrwin && IsParent(root, ptrwin))  in CoreFocusPointerRootNoneSwitch()
1417     else if (IsParent(from, to))  in CoreFocusEvents()
1419     else if (IsParent(to, from))  in CoreFocusEvents()
1462             if (IsParent(from, sprite->win)) {  in DeviceFocusEvents()
1499             if (IsParent(to, sprite->win))  in DeviceFocusEvents()
1503             if (IsParent(to, from)) {  in DeviceFocusEvents()
1507                 if ((IsParent(to, sprite->win)) &&  in DeviceFocusEvents()
1509                     (!IsParent(from, sprite->win)) &&  in DeviceFocusEvents()
1510                     (!IsParent(sprite->win, from)))  in DeviceFocusEvents()
1514             else if (IsParent(from, to)) {  in DeviceFocusEvents()
1515                 if ((IsParent(from, sprite->win)) &&  in DeviceFocusEvents()
1517                     (!IsParent(to, sprite->win)) &&  in DeviceFocusEvents()
1518                     (!IsParent(sprite->win, to))) {  in DeviceFocusEvents()
1533                 if (IsParent(from, sprite->win))  in DeviceFocusEvents()
1544                 if (IsParent(to, sprite->win))  in DeviceFocusEvents()