%
%  selection
%  movement
%    single window, window groups, across framebuffers
%    drag, constrain, precise, bump
%  resizing
%    constrain, precise
%  front/back
%  iconify/open
%  zoom/unzoom
%  quit
%  undo
%

/ClassFrobClient ClassObject []
classbegin
  /Frobbable? true def

  /MoveThresh 4 def

  /FrobServices 20 dict def
  FrobServices begin
    
  end % FrobServices

  % The name can be:
  %   /Button
  %   /Move
  %   /Resize
  /FrobStart { % event => name true | false
    
  } def

classend def

/ClassFrobCanvas [ClassCanvas ClassFrobClient] []
classbegin
  
classend def

/ClassFrobService ClassInterest []
classbegin
  
classend def