remove termion: inhouse key parsing

replace blake2 with sha512, fix C and D in romono, minor terminal and audio player fixes

wm/linux/src/keys.rs

@@ -1 +1,89 @@
-//
+use std::io::{ Read, Stdin };
+use std::sync::mpsc::{ channel, Receiver };
+use std::thread;
+
+//includes a section on reading keys
+//https://viewsourcecode.org/snaptoken/kilo/02.enteringRawMode.html
+
+const ALPHABET: [char; 26] = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
+
+pub enum Key {
+  Char(char),
+  Alt(char),
+  Ctrl(char),
+  Backspace,
+  Esc,
+  ArrowUp,
+  ArrowDown,
+  ArrowLeft,
+  ArrowRight,
+  Other(u8), //we don't get about anything else, lmao
+}
+
+pub struct RawStdin {
+  //bytes: Peekable<Bytes<StdinLock<'a>>>,
+  receiver: Receiver<u8>,
+}
+
+impl RawStdin {
+  pub fn new(stdin: Stdin) -> Self {
+    let (sender, receiver) = channel();
+    thread::spawn(move || {
+      let bytes = stdin.lock().bytes();
+      for b in bytes {
+        sender.send(b.unwrap()).unwrap();
+      }
+    });
+    RawStdin {
+      //bytes: stdin.lock().bytes().peekable(),
+      receiver,
+    }
+  }
+}
+
+impl Iterator for RawStdin {
+  type Item = Key;
+
+  fn next(&mut self) -> Option<Self::Item> {
+    let first = self.receiver.recv().unwrap();
+    Some(match first {
+      1..=26 => {
+        //ctrl
+        if first == 9 {
+          Key::Char('\t')
+        } else if first == 13 {
+          //ctrl+m and enter give the same thing
+          Key::Char('\n')
+        } else {
+          Key::Ctrl(ALPHABET[first as usize - 1])
+        }
+      },
+      27 => {
+        //escape sequence
+        //not handling escape sequences that are 3+ bytes is probably going to come back to bite us
+        let n = self.receiver.try_recv();
+        if let Ok(b'[') = n {
+          let n = self.receiver.recv().unwrap();
+          match n {
+            b'A' => Key::ArrowUp,
+            b'B' => Key::ArrowDown,
+            b'C' => Key::ArrowRight,
+            b'D' => Key::ArrowLeft,
+            _ => Key::Other(n),
+          }
+        } else if n.is_ok() {
+          //Alt+<char> sends Esc+<char>
+          Key::Alt(char::from(n.unwrap()))
+        } else {
+          Key::Esc
+        }
+      },
+      127 => {
+        Key::Backspace
+      },
+      _ => {
+        Key::Char(char::from(first))
+      },
+    })
+  }
+}

wm/linux/src/lib.rs

@@ -1,2 +1,3 @@
 pub mod fb;
 pub mod raw;
+pub mod keys;