[Xcb] Drawable is not displayed

Sam Varshavchik mrsam at courier-mta.com
Wed Mar 11 12:33:01 UTC 2020

Junk Mail writes:

> « HTML content follows »
> I am trying to learn the XCB library. The following program does not even  
> show the window. What am I doing wrong?
>         xcb_drawable_t drawable               = screen -> root;

This is the screen's root window. This is not your window.

>         xcb_create_window(connection,
>                         XCB_COPY_FROM_PARENT,
>                         drawable,

This parent must be your window's handle.

Use xcb_generate_id to get a new xcb_window_t, for your drawable handle.

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