mous releas mous event consum sequenc diagram layer layer sequenc diagram layer global cur editor layer manag activ layer end contract start offset layer node index start end offset start end end offset start offset start offset layer node index end end offset layer node index end diff end offset start offset diff layer contract diagram start offset diff start offset layer node index start start offset end start start offset diff layer node index end start offset diff diff diff diff layer expand diagram start offset diff consum 