A variable controlling whether SDL should call XSelectInput() to enable input events on X11 windows wrapped by SDL windows.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_VIDEO_X11_EXTERNAL_WINDOW_INPUT "SDL_VIDEO_X11_EXTERNAL_WINDOW_INPUT"
The variable can be set to the following values:
This hint should be set before creating a window.
This hint is available since SDL 3.2.10.