[vtkusers] SetCallbackMethod, add new keyPressEvent

[Minsuk Park]

 Hi!
I'm pretty much beginner of vtk and its application.

I applied vtkContourWidget on renderWindow and hope to add a new
keyPressEvent on it.
So I am now trying to change the vtkContourWidget.cxx file directly and add


*this->CallbackMapper->SetCallbackMethod(vtkCommand::KeyPressEvent,*
*   vtkEvent::NoModifier, 13, 1, "Return",*
*   vtkWidgetEvent::Reset,*
*   this, vtkContourWidget::ResetAction);*

this for new Action when I pressed Return(I guess it is "Enter"), which
acts ResetAction when Shift+Del is pressed like behind

*this->CallbackMapper->SetCallbackMethod(vtkCommand::KeyPressEvent,*
*                                          vtkEvent::ShiftModifier, 127, 1,
"Delete",*
*                                          vtkWidgetEvent::Reset,*
*                                          this,
vtkContourWidget::ResetAction);*

However, "Return" doesn't work and I couldn't figure it out.
I am pretty much sure that I am not supposed to add the keyPressEvent in
this way,
but I don't know what to do.

How can I add a new keyPressEvent for a new key on vtkWidget?


-- 
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*Minsuk Park*
Mobile: +82-10-7329-9912
Email: ashtonpark7 at gmail.com
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