windows-ccd 0.1.0

Provides some convenience utilities for the [Windows CCD API]
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use crate::windows::{DISPLAYCONFIG_PATH_SOURCE_INFO, DISPLAYCONFIG_PATH_TARGET_INFO, LUID};

/// A convenience type to obtain and pass a display device `adapterId` and `id`.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct DeviceId {
    /// The device `adapterId`.
    pub adapter_id: LUID,

    /// The identifier on the specified adapter.
    pub id: u32,
}

impl Eq for DeviceId {}

impl PartialOrd for DeviceId {
    fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
        Some(self.cmp(other))
    }
}

impl Ord for DeviceId {
    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
        let key = |did: &DeviceId| (did.adapter_id.HighPart, did.adapter_id.LowPart, did.id);
        key(self).cmp(&key(other))
    }
}

impl From<DISPLAYCONFIG_PATH_SOURCE_INFO> for DeviceId {
    fn from(value: DISPLAYCONFIG_PATH_SOURCE_INFO) -> Self {
        DeviceId {
            adapter_id: value.adapterId,
            id: value.id,
        }
    }
}

impl From<DISPLAYCONFIG_PATH_TARGET_INFO> for DeviceId {
    fn from(value: DISPLAYCONFIG_PATH_TARGET_INFO) -> Self {
        DeviceId {
            adapter_id: value.adapterId,
            id: value.id,
        }
    }
}