init fig facad model facad state helper model state machin helper set big port fig rect width height big port set line width big port set fill stublin fig line width text color refer fig fig text width height refer fig set font set font plain refer fig set text color text color refer fig set action fig text end edit refer fig set tab action fig text end edit refer fig set justif fig text justifi center refer fig set line width refer fig set bound width refer fig bound height refer fig set fill refer fig set edit add fig big port add fig refer fig add fig stublin set shadow size set blink port make port invis unless mous enter 