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use std::fmt::{Display, Formatter};
/// The Result type used throughout
pub type Result<T, E = Error> = std::result::Result<T, E>;
/// All errors that can be encountered when running
#[derive(Debug)]
pub enum Error {
// #[error("xcb returned a screen that doesn't exist")]
NoSuchScreen,
// #[error("another wm is running")]
OtherWMRunning,
// #[error("generic xcb error: {0}")]
Xcb(xcb::Error),
// #[error("connection error: {0}")]
Connection(xcb::ConnError),
// #[error("protocol error: {0}")]
Protocol(xcb::ProtocolError),
}
impl std::error::Error for Error {}
impl Display for Error {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
Self::NoSuchScreen => write!(f, "xcb returned a screen that doesn't exist"),
Self::OtherWMRunning => write!(f, "another window manager is running"),
Self::Xcb(e) => write!(f, "generic xcb error: {e}"),
Self::Connection(e) => write!(f, "connection error: {e}"),
Self::Protocol(e) => write!(f, "protocol error: {e}"),
}
}
}
impl From<xcb::Error> for Error {
fn from(e: xcb::Error) -> Self {
Self::Xcb(e)
}
}
impl From<xcb::ConnError> for Error {
fn from(e: xcb::ConnError) -> Self {
Self::Connection(e)
}
}
impl From<xcb::ProtocolError> for Error {
fn from(e: xcb::ProtocolError) -> Self {
Self::Protocol(e)
}
}
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