use QQuickRenderControl

[Phil Thompson]

On 06/01/2021 13:42, Jimmy Girardet wrote:
> I can't C++ so I try to guess. There are python example for almost
> everything  so until nowI didn't have this problem. I also looked into
> the opengl examples
> (https://github.com/PyQt5/Examples/tree/master/PyQt5/opengl) but it
> doesn't use QQuickRenderControl.
> 
> I tried with to follow more the c++ example:
> 
> class RenderControl(QQuickRenderControl):
>     def __init__(self, w: QWindow):
>         super().__init__()
>         self.m_window = w
>     def renderWindow(self, offset: QPoint = None):
>         if (offset):
>             offset = QPoint(0, 0)
>         return self.m_window
> 
> and later :
> 
> self.m_renderControl = RenderControl(self)
> self.m_quickWindow = QQuickWindow(self.m_renderControl)
> 
> but still get :
> 
>   File "main.py", line 58, in __init__
>     self.m_quickWindow = QQuickWindow(self.m_renderControl)
> TypeError: QQuickWindow(parent: QWindow = None): argument 1 has
> unexpected type 'RenderControl'
> 
> 
> I really don't know what I could change

My apologies - it was me who was misreading the C++ code!

The C++ code is calling a ctor that is documented in the Qt source code 
as "internal", ie. it is not part of the public API. Therefore it isn't 
exposed by PyQt.

Phil