if (is_drag_src && (is == is_drag_src ||
(is_drag_dst && is == is_drag_dst)))
idata |= DI_COL_SELECTED;
- else if (island_impossible(is, v & G_MARK))
+ else if (island_impossible(is, v & G_MARK) || (v & G_WARN))
idata |= DI_COL_WARNING;
else
idata |= DI_COL_NORMAL;