use windows::Win32::Foundation::{LPARAM, WPARAM};

pub(crate) trait HiLoWord {
    fn hiword(&self) -> u16;
    fn loword(&self) -> u16;
    fn signed_hiword(&self) -> i16;
    fn signed_loword(&self) -> i16;
}

impl HiLoWord for WPARAM {
    fn hiword(&self) -> u16 {
        ((self.0 >> 16) & 0xFFFF) as u16
    }

    fn loword(&self) -> u16 {
        (self.0 & 0xFFFF) as u16
    }

    fn signed_hiword(&self) -> i16 {
        ((self.0 >> 16) & 0xFFFF) as i16
    }

    fn signed_loword(&self) -> i16 {
        (self.0 & 0xFFFF) as i16
    }
}

impl HiLoWord for LPARAM {
    fn hiword(&self) -> u16 {
        ((self.0 >> 16) & 0xFFFF) as u16
    }

    fn loword(&self) -> u16 {
        (self.0 & 0xFFFF) as u16
    }

    fn signed_hiword(&self) -> i16 {
        ((self.0 >> 16) & 0xFFFF) as i16
    }

    fn signed_loword(&self) -> i16 {
        (self.0 & 0xFFFF) as i16
    }
}