[vtkusers] Bug in vtkRenderWindowInteractor ?

[Bill Lorensen]

Just a reminder to use the new VTKExamples at:
https://lorensen.github.io/VTKExamples/site/Cxx/Widgets/SeedWidgetWithCustomCallback/

This does not answer your question.


On Sun, Dec 10, 2017 at 7:10 AM, alican <alican1812 at hotmail.com> wrote:
> I am using the exact code of this example:
> https://www.vtk.org/Wiki/VTK/Examples/Cxx/Widgets/SeedWidgetWithCustomCallback
> <https://www.vtk.org/Wiki/VTK/Examples/Cxx/Widgets/SeedWidgetWithCustomCallback>
>
>
> with one exception: instead of creating a new renderer and a new render
> window, like in the example:
>   // A renderer and render window
>   vtkSmartPointer<vtkRenderer> renderer =
> vtkSmartPointer<vtkRenderer>::New();
>   vtkSmartPointer<vtkRenderWindow> renderWindow =
> vtkSmartPointer<vtkRenderWindow>::New();
>
> I am using my existing renderer and window.
>
> Now, when a user finishes an interaction, I would like to remove the seed
> widget, and stay with my renderer and my render window. So I am doing like
> that:
>
>         seedWidget->RemoveObserver(vtkCommand::InteractionEvent);
>         seedWidget->RemoveObserver(vtkCommand::EndInteractionEvent);
>         seedWidget->Off();
>         seedWidget = nullptr;
>         foreach(vtkSmartPointer<vtkHandleWidget> hw, seeds)
>                 hw->Off();
>         seeds.clear();
>         iren->Delete();
>
> It looks OK, the widget disappears, but when I quit my program, the process
> still stays active and I can see in debugger that it is stuck in
>
> vtkWin32RenderWindowInteractor::StartEventLoop()
>
> Is it a bug in interactor, or am I doing something wrong?
>
>
>
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