use std::mem::MaybeUninit;

#[inline]
pub fn x11_setup(connection: &xcb::Connection, major_version: u16, minor_version: u16) -> Result<(u16, u16, u8, u8), ()> {
    let mut actual_major = MaybeUninit::uninit();
    let mut actual_minor = MaybeUninit::uninit();
    let mut base_event = MaybeUninit::uninit();
    let mut base_error = MaybeUninit::uninit();

    let ret = unsafe {
        xkbcommon_sys::xkb_x11_setup_xkb_extension(
            connection.get_raw_conn() as *mut _,
            major_version,
            minor_version,
            xkbcommon_sys::XKB_X11_SETUP_XKB_EXTENSION_NO_FLAGS,
            actual_major.as_mut_ptr(),
            actual_minor.as_mut_ptr(),
            base_event.as_mut_ptr(),
            base_error.as_mut_ptr()
        )
    };

    if ret != 1 {
        Err(())
    } else {
        Ok(unsafe { (actual_major.assume_init(), actual_minor.assume_init(), base_event.assume_init(), base_error.assume_init()) })
    }
}