Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_SetX11EventHook - Set a callback for every X11 event.
HEADER FILE
Defined in SDL3/SDL_system.h
SYNOPSIS
#include "SDL3/SDL.h" void SDL_SetX11EventHook(SDL_X11EventHook callback, void *userdata);
DESCRIPTION
The callback may modify the event, and should return true if the event should continue to be processed, or false to prevent further processing.
FUNCTION PARAMETERS
callback the SDL_X11EventHook function to call. userdata a pointer to pass to every iteration of callback .
AVAILABILITY
This function is available since SDL 3.2.0. Simple Directmedia Layer SDL 3.2.8 SDL_SetX11EventHook(3)