neofetch 0.2.0

neofetch
Documentation 
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#[derive(Debug, Clone)]
pub struct Display {
    pub name: Option<String>,
    pub friendly_name: Option<String>,
    pub refresh_rate: Option<f32>,
    pub external: Option<bool>,
    pub resolution: Option<(u32, u32)>,
    pub scale_resolution: Option<(u32, u32)>,
    pub rotation: Option<f32>,
    pub primary: Option<bool>,
}

impl std::fmt::Display for Display {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut v = vec![];
        if let Some((w, h)) = self.resolution {
            v.push(format!("{w}x{h}"));
        }

        if let Some(refresh_rate) = self.refresh_rate {
            v.push(format!("@ {refresh_rate}Hz"));
        }

        if let Some((w, h)) = self.scale_resolution {
            v.push(format!("(as {w}x{h})"));
        }

        if let Some(true) = self.external {
            v.push("[External]".to_string());
        }

        if let Some(true) = self.primary {
            v.push("*".to_string());
        }
        f.write_str(&v.join(" "))
    }
}

#[cfg(not(any(target_arch = "aarch64", target_os = "android", target_env = "musl")))]
pub async fn get_display() -> crate::error::Result<Vec<Display>> {
    use display_info::DisplayInfo;

    let display_infos = DisplayInfo::all().map_err(|e| {
        crate::error::NeofetchError::data_unavailable(format!("Failed to get display info: {}", e))
    })?;

    let v: Vec<_> = display_infos
        .iter()
        .map(|i| Display {
            name: Some(i.name.clone()),
            friendly_name: if i.friendly_name.starts_with("Unknown Display") {
                None
            } else {
                Some(i.friendly_name.clone())
            },
            refresh_rate: Some(i.frequency),
            external: None,
            resolution: Some((i.width, i.height)),
            scale_resolution: Some((
                (i.scale_factor * i.width as f32) as u32,
                (i.scale_factor * i.height as f32) as u32,
            )),
            rotation: Some(i.rotation),
            primary: Some(i.is_primary),
        })
        .collect();
    Ok(v)
}

#[cfg(any(target_arch = "aarch64", target_os = "android", target_env = "musl"))]
pub async fn get_display() -> crate::error::Result<Vec<Display>> {
    Err(crate::error::NeofetchError::UnsupportedPlatform)
}