[vtkusers] vtkInteractorStyleUser

[Jim Peterson]

David,
" If you want to hook into just a single mouse button, but leave the 
interaction modes for the others unchanged, you must use e.g. 
SetMiddleButtonPressMethod() instead of the more general 
SetButtonPressMethod()."

The Set...Method are the old style (vtk versions 1, 2 and maybe 3) 
callback format as I recall. One would expect they are replaced with 
AddObserver functions if they are still implemented.

I am guessing the doc should read something about the eventIDs

  LeftButtonPressEvent,
  LeftButtonReleaseEvent,
  MiddleButtonPressEvent,
  MiddleButtonReleaseEvent,
  RightButtonPressEvent,
  RightButtonReleaseEvent,

  KeyPressEvent,
  KeyReleaseEvent,
  CharEvent,

and

  MouseMoveEvent,
  MouseWheelForwardEvent,
  MouseWheelBackwardEvent,

Jim


David Doria wrote:
> The documentation says: "you must use e.g. 
> SetMiddleButtonPressMethod() instead of the more general 
> SetButtonPressMethod()". I don't see either of those functions? Has 
> anyone used this class? I'm trying to figure it out in c++ before 
> trying it in Python (I guess this is how you are supposed to handle 
> interaction in Python. Again from the documentation: "This is 
> particularly useful for setting up custom interaction modes in 
> scripting languages such as Tcl and Python".
>
> I made a shell example here if anyone can demonstrate how to use it:
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Interaction/InteractorStyleUser
>
> Thanks!
>
> David
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