set bound size return link minimum size unless check size disabl requir height bigger addit height equal distribut fig compart cumul height visibl fig equal demand height magic number hardcod param desir coordin upper left corner param desir coordin upper left corner param desir width fig param desir height fig overrid set standard bound save old boundari need later minimum size info rectangl old bound bound set bound big box big port set bound border fig set bound current height stereotyp fig visibl stereotyp height stereotyp fig minimum size height stereotyp fig set bound stereotyp height current height stereotyp height height fig minimum size height fig set bound current height height current height height oper fig visibl oper current height oper height oper oper fig set bound oper oper height forc calcul bound figur updat edg trigger listen bound properti chang calc bound updat edg prop chang bound old bound bound 