remove termion: inhouse key parsing

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

Cargo.toml

@@ -13,7 +13,7 @@ members = [ "wm", "wm/linux" ]
 
 [build-dependencies]
 bmp-rust = "0.5.0"
-blake2 = { version = "0.10.6", default-features = false }
+bitcoin_hashes = { version = "0.16.0", default-features = false }
 
 [dependencies]
 ming-wm-lib = { path = "ming-wm-lib" }

build.rs

@@ -4,7 +4,7 @@ use std::env;
 use std::path::Path;
 use std::process::Command;
 
-use blake2::{ Blake2b512, Digest };
+use bitcoin_hashes::Sha512;
 use bmp_rust::bmp::BMP;
 
 fn font_chars_to_alphas(dir: &str) {
@@ -47,12 +47,11 @@ fn font_chars_to_alphas(dir: &str) {
 
 fn main() {
   //hash + "salt" password and add to build
-  let password = read_to_string("password.env").unwrap_or("password".to_string()).replace("\n", "") + "salt?sorrycryptographers";
-  let mut hasher = Blake2b512::new();
-  hasher.update(password.as_bytes());
+  let password = read_to_string("password.env").unwrap_or("password".to_string()).replace("\n", "") + "salt?sorrycryptographers!1!";
+  let hash = Sha512::hash(password.as_bytes()).to_byte_array();
   let out_dir = env::var_os("OUT_DIR").unwrap();
   let dest_path = Path::new(&out_dir).join("password.rs");
-  write(&dest_path, format!("pub const PASSWORD_HASH: [u8; 64] = {:?};", hasher.finalize())).unwrap();
+  write(&dest_path, format!("pub const PASSWORD_HASH: [u8; 64] = {:?};", hash)).unwrap();
   //process bmps
   for entry in read_dir("./bmps").unwrap() {
     let path = entry.unwrap().path();

src/bin/audio_player.rs

@@ -109,8 +109,10 @@ impl WindowLike for AudioPlayer {
           } else {
             return WindowMessageResponse::DoNothing;
           }
-        } else {
+        } else if key_press.is_regular() {
           self.command += &key_press.key.to_string();
+        } else {
+          return WindowMessageResponse::DoNothing
         }
         WindowMessageResponse::JustRedraw
       },

src/bin/terminal.rs

@@ -150,6 +150,9 @@ impl WindowLike for Terminal {
                 } else if char::from(ci) == '\r' {
                   //for now, ignore
                   //
+                } else if char::from(ci) == '\t' {
+                  //for now, ignore
+                  //
                 } else {
                   self.process_current_line.push(ci);
                 }

src/bin/wm.rs

@@ -6,12 +6,9 @@ use std::io::{ stdin, stdout, BufReader, BufRead, Write };
 use std::process::exit;
 use std::env;
 
-//termion is an external dep, will be removed eventually
-use wm::termion::input::TermRead;
-use wm::termion::event::Key;
-
 use wm::linux::fb::Framebuffer;
 use wm::linux::raw::RawStdout;
+use wm::linux::keys::{ RawStdin, Key };
 use wm::framebuffer::{ FramebufferWriter, FramebufferInfo };
 use wm::window_manager::WindowManager;
 
@@ -34,10 +31,10 @@ fn key_to_char(key: Key) -> Option<KeyChar> {
     Key::Ctrl(c) => Some(KeyChar::Ctrl(c)),
     Key::Backspace => Some(KeyChar::Press('𐘁')),
     Key::Esc => Some(KeyChar::Press('𐘃')),
-    Key::Up => Some(KeyChar::Press('𐙘')),
-    Key::Down => Some(KeyChar::Press('𐘞')),
-    Key::Left => Some(KeyChar::Press('𐙣')),
-    Key::Right => Some(KeyChar::Press('𐙥')),
+    Key::ArrowUp => Some(KeyChar::Press('𐙘')),
+    Key::ArrowDown => Some(KeyChar::Press('𐘞')),
+    Key::ArrowLeft => Some(KeyChar::Press('𐙣')),
+    Key::ArrowRight => Some(KeyChar::Press('𐙥')),
     _ => None,
   }
 }
@@ -94,9 +91,9 @@ fn init(framebuffer: Framebuffer, framebuffer_info: FramebufferInfo) {
 
   //read key presses
   thread::spawn(move || {
-    let stdin = stdin().lock();
-    for c in stdin.keys() {
-      if let Some(kc) = key_to_char(c.unwrap()) {
+    let stdin = RawStdin::new(stdin());
+    for c in stdin {
+      if let Some(kc) = key_to_char(c) {
         //do not allow exit when locked unless debugging
         //if kc == KeyChar::Alt('E') {
         if kc == KeyChar::Alt('E') {

wm/Cargo.toml

@@ -8,7 +8,5 @@ edition = "2021"
 [dependencies]
 ming-wm-lib = { path = "../ming-wm-lib" }
 linux = { path = "linux" }
-blake2 = { version = "0.10.6", default-features = false }
-termion = { version = "4.0.3" }
+bitcoin_hashes = { version = "0.16.0", default-features = false }
 bmp-rust = "0.5.0"
-

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;

wm/src/essential/lock_screen.rs

@@ -5,7 +5,7 @@ use ming_wm_lib::framebuffer_types::Dimensions;
 use ming_wm_lib::themes::ThemeInfo;
 use ming_wm_lib::messages::{ WindowMessage, WindowMessageResponse, WindowManagerRequest };
 use ming_wm_lib::window_manager_types::{ DrawInstructions, WindowLike, WindowLikeType };
-use blake2::{ Blake2b512, Digest };
+use bitcoin_hashes::Sha512;
 
 //const PASSWORD_HASH: [u8; 64] = [220, 88, 183, 188, 240, 27, 107, 181, 58, 191, 198, 170, 114, 38, 7, 148, 6, 179, 75, 128, 231, 171, 172, 220, 85, 38, 36, 113, 116, 146, 70, 197, 163, 179, 158, 192, 130, 53, 247, 48, 47, 209, 95, 96, 179, 211, 4, 122, 254, 127, 21, 165, 139, 199, 151, 226, 216, 176, 123, 41, 194, 221, 58, 69];
 
@@ -25,9 +25,7 @@ impl WindowLike for LockScreen {
       WindowMessage::KeyPress(key_press) => {
         if key_press.is_enter() {
           //check password
-          let mut hasher = Blake2b512::new();
-          hasher.update((self.input_password.clone() + "salt?sorrycryptographers").as_bytes());
-          if hasher.finalize() == self.password_hash.into() {
+          if Sha512::hash((self.input_password.clone() + "salt?sorrycryptographers!1!").as_bytes()).to_byte_array() == self.password_hash {
             WindowMessageResponse::Request(WindowManagerRequest::Unlock)
           } else {
             self.input_password = String::new();

wm/src/lib.rs

@@ -1,5 +1,4 @@
 pub use linux;
-pub use termion;
 
 pub mod framebuffer;
 pub mod window_manager;