aria.rip
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1use std::fmt::{Display, Formatter};
2
3/// The Result type used throughout
4pub type Result<T, E = Error> = std::result::Result<T, E>;
5
6/// All errors that can be encountered when running
7#[derive(Debug)]
8pub enum Error {
9 // #[error("xcb returned a screen that doesn't exist")]
10 NoSuchScreen,
11
12 // #[error("another wm is running")]
13 OtherWMRunning,
14
15 // #[error("generic xcb error: {0}")]
16 Xcb(xcb::Error),
17
18 // #[error("connection error: {0}")]
19 Connection(xcb::ConnError),
20
21 // #[error("protocol error: {0}")]
22 Protocol(xcb::ProtocolError),
23}
24
25impl std::error::Error for Error {}
26
27impl Display for Error {
28 fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
29 match self {
30 Self::NoSuchScreen => write!(f, "xcb returned a screen that doesn't exist"),
31 Self::OtherWMRunning => write!(f, "another window manager is running"),
32 Self::Xcb(e) => write!(f, "generic xcb error: {e}"),
33 Self::Connection(e) => write!(f, "connection error: {e}"),
34 Self::Protocol(e) => write!(f, "protocol error: {e}"),
35 }
36 }
37}
38
39impl From<xcb::Error> for Error {
40 fn from(e: xcb::Error) -> Self {
41 Self::Xcb(e)
42 }
43}
44impl From<xcb::ConnError> for Error {
45 fn from(e: xcb::ConnError) -> Self {
46 Self::Connection(e)
47 }
48}
49impl From<xcb::ProtocolError> for Error {
50 fn from(e: xcb::ProtocolError) -> Self {
51 Self::Protocol(e)
52 }
53}