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SDL_GetEventFilter

sdl_sys_bindgen

Function SDL_GetEventFilter 

Source 
pub unsafe extern "C" fn SDL_GetEventFilter(
    filter: *mut SDL_EventFilter,
    userdata: *mut *mut c_void,
) -> bool
Expand description

Query the current event filter.

This function can be used to “chain” filters, by saving the existing filter before replacing it with a function that will call that saved filter.

Parameter: filter the current callback function will be stored here. Parameter: userdata the pointer that is passed to the current event filter will be stored here. Returns: true on success or false if there is no event filter set.

Thread Safety: It is safe to call this function from any thread.

Available Since: This function is available since SDL 3.2.0.

See Also: SDL_SetEventFilter