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esmitt/keyPressCallback.cpp

Last active April 26, 2021 11:29
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VTK way using lambda function in C++ to detect when a key was pressed
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keyPressCallback.cpp
vtkNew<vtkCallbackCommand> keypressCallback;
auto KeypressCallbackFunction = [](vtkObject* caller, long unsigned int vtkNotUsed(eventId), void* clientData, void* vtkNotUsed(callData)) {
vtkRenderWindowInteractor* iren = static_cast<vtkRenderWindowInteractor*>(caller);
std::cout << "Pressed: " << iren->GetKeySym() << std::endl;
};
keypressCallback->SetCallback(KeypressCallbackFunction);
renderWindowInteractor->AddObserver(vtkCommand::KeyPressEvent, keypressCallback);
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