Implementation Question: Qt overlay for pyvistaqt

[pyvista]

Implementation Question: Qt overlay for pyvistaqt

[math-artist]

If anyone could just say "yes" if they succeeded with the current version.

As per http://vtk.1045678.n5.nabble.com/QT-Button-on-top-of-QVTKWidget-Mac-OS-td5740828.html
then https://stackoverflow.com/questions/26944831/using-qvtkwidget-and-qopenglwidget-in-the-same-ui

it works by replacing the old QGLWidget with QOpenGLWidget

but it seems that we are currently using neither:
pyvista/pyvista#693

Anybody got it to work with the current usage of QWidget?

[math-artist]

Update: I got it to work partially. I was overthinking this. The QStackedLayout didn't work and I don't know why, but simply putting a widget inside the vtk widget works.

I have created a QStackedWidget inside the vtk widget instead.

But no transparency. I have seen examples in C++ where transparency is possible, so I am now trying to troubleshoot the transparency issue.

If I create a large widget area with a small button over the renderer, the large area is opaque but the mouse controls are still working with vtk. It only overrides the left click over the small button, which makes sense.

[GuillaumeFavelier]

Thanks for sharing your insight @math-artist 👍 Although, I do not personally require this at the moment, I think it could be helpful for future reference. Do not hesitate to paste a <detail></detail> code snippet if you manage to get something working (or not FWIW), that would be greatly appreciated.

[JacobBumgarner]

@math-artist Would you mind describing more how you did this? How did you create a stacked widget inside of your QtInteractor? I'm hoping to overlay a small camera circle button onto the plotter for users to take a screenshot.

[Xiaoyuew]

any progress on opacity? this is a really good question.

[JacobBumgarner]

I ended up abandoning this one in favor of just having a push button outside of the plotter.

I think it would still be worth figuring out though.