rem: WMRect rect = { (x), (y), (ICON_SIZE), (ICON_SIZE) }; int flags;
add: WMRect rect = {x, y, ICON_SIZE, ICON_SIZE}; int flags;
context: static int onScreen(WScreen *scr, int x, int y, int sx, int ex, int sy, int ey){    WMRect rect = { (x), (y), (ICON_SIZE), (ICON_SIZE) };    int flags;     wGetRectPlacementInfo(scr, rect, &flags);    return !(flags & (XFLAG_DEAD | XFLAG_PARTIAL));}