Split Orbital backend out into winit-orbital (#4243)

src/platform_impl/orbital/mod.rs

@@ -1,128 +0,0 @@
-#![cfg(target_os = "redox")]
-
-use std::{fmt, str};
-
-pub(crate) use self::event_loop::{ActiveEventLoop, EventLoop};
-pub use self::window::Window;
-
-mod event_loop;
-mod window;
-
-#[derive(Debug)]
-struct RedoxSocket {
-    fd: usize,
-}
-
-impl RedoxSocket {
-    fn event() -> syscall::Result<Self> {
-        Self::open_raw("event:")
-    }
-
-    fn orbital(properties: &WindowProperties<'_>) -> syscall::Result<Self> {
-        Self::open_raw(&format!("{properties}"))
-    }
-
-    // Paths should be checked to ensure they are actually sockets and not normal files. If a
-    // non-socket path is used, it could cause read and write to not function as expected. For
-    // example, the seek would change in a potentially unpredictable way if either read or write
-    // were called at the same time by multiple threads.
-    fn open_raw(path: &str) -> syscall::Result<Self> {
-        let fd = syscall::open(path, syscall::O_RDWR | syscall::O_CLOEXEC)?;
-        Ok(Self { fd })
-    }
-
-    fn read(&self, buf: &mut [u8]) -> syscall::Result<()> {
-        let count = syscall::read(self.fd, buf)?;
-        if count == buf.len() {
-            Ok(())
-        } else {
-            Err(syscall::Error::new(syscall::EINVAL))
-        }
-    }
-
-    fn write(&self, buf: &[u8]) -> syscall::Result<()> {
-        let count = syscall::write(self.fd, buf)?;
-        if count == buf.len() {
-            Ok(())
-        } else {
-            Err(syscall::Error::new(syscall::EINVAL))
-        }
-    }
-
-    fn fpath<'a>(&self, buf: &'a mut [u8]) -> syscall::Result<&'a str> {
-        let count = syscall::fpath(self.fd, buf)?;
-        str::from_utf8(&buf[..count]).map_err(|_err| syscall::Error::new(syscall::EINVAL))
-    }
-}
-
-impl Drop for RedoxSocket {
-    fn drop(&mut self) {
-        let _ = syscall::close(self.fd);
-    }
-}
-
-#[derive(Debug)]
-pub struct TimeSocket(RedoxSocket);
-
-impl TimeSocket {
-    fn open() -> syscall::Result<Self> {
-        RedoxSocket::open_raw("time:4").map(Self)
-    }
-
-    // Read current time.
-    fn current_time(&self) -> syscall::Result<syscall::TimeSpec> {
-        let mut timespec = syscall::TimeSpec::default();
-        self.0.read(&mut timespec)?;
-        Ok(timespec)
-    }
-
-    // Write a timeout.
-    fn timeout(&self, timespec: &syscall::TimeSpec) -> syscall::Result<()> {
-        self.0.write(timespec)
-    }
-
-    // Wake immediately.
-    fn wake(&self) -> syscall::Result<()> {
-        // Writing a default TimeSpec will always trigger a time event.
-        self.timeout(&syscall::TimeSpec::default())
-    }
-}
-
-#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Hash)]
-pub(crate) struct PlatformSpecificEventLoopAttributes {}
-
-#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
-pub struct PlatformSpecificWindowAttributes;
-
-struct WindowProperties<'a> {
-    flags: &'a str,
-    x: i32,
-    y: i32,
-    w: u32,
-    h: u32,
-    title: &'a str,
-}
-
-impl<'a> WindowProperties<'a> {
-    fn new(path: &'a str) -> Self {
-        // orbital:flags/x/y/w/h/t
-        let mut parts = path.splitn(6, '/');
-        let flags = parts.next().unwrap_or("");
-        let x = parts.next().map_or(0, |part| part.parse::<i32>().unwrap_or(0));
-        let y = parts.next().map_or(0, |part| part.parse::<i32>().unwrap_or(0));
-        let w = parts.next().map_or(0, |part| part.parse::<u32>().unwrap_or(0));
-        let h = parts.next().map_or(0, |part| part.parse::<u32>().unwrap_or(0));
-        let title = parts.next().unwrap_or("");
-        Self { flags, x, y, w, h, title }
-    }
-}
-
-impl fmt::Display for WindowProperties<'_> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(
-            f,
-            "orbital:{}/{}/{}/{}/{}/{}",
-            self.flags, self.x, self.y, self.w, self.h, self.title
-        )
-    }
-}