Catching events for nested components about ftxui HOT 2 OPEN

Each component defines how it routes events.
Typically, most implementations are:

• Forwarding keyboard events to the currently focused child.
• Forwarding mouse events to every child.

In your case, the problem was using:

    Component frame = Renderer([&]{
        return window(text("Example UI"), display->Render());
    });

instead of:

    Component frame = Renderer(display, [&]{
        return window(text("Example UI"), display->Render());
    });

So, you create a brand new Component, without forwarding events to display.
The second form does "decorate" the wrapped component, by overriding only its "Render()" function, but still forwarding everything else.

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Thank you for the prompt reply!
I understand now. I looked up the documentation and found the Component Renderer(Component child, std::function<Element()> render) function. In the case of multiple children, e.g. when rendering multiple components into a vbox, I assume it is possible to wrap all the child components into e.g. a stacked container in order to propagate events, even if the container is not rendered itself, right?

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