hold + better display

you can do `8:30 d :20 2s :4 6 2 3w :6 2 3 6 2 3 6s` now

src/dir.rs

@@ -17,17 +17,17 @@ pub enum Dir {
 }
 
 #[derive(Debug, Clone, Copy)]
-pub enum DirFromStrError {
+pub enum FromStrError {
     Empty,
     InvalidChar(char),
 }
 
 impl FromStr for Dir {
-    type Err = DirFromStrError;
+    type Err = FromStrError;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
         let Some(first) = s.chars().next() else {
-            return Err(DirFromStrError::Empty);
+            return Err(FromStrError::Empty);
         };
         Ok(match first {
             '1' => Self::D1,
@@ -39,7 +39,7 @@ impl FromStr for Dir {
             '7' => Self::D7,
             '8' => Self::D8,
             '9' => Self::D9,
-            c => return Err(DirFromStrError::InvalidChar(c)),
+            c => return Err(FromStrError::InvalidChar(c)),
         })
     }
 }

src/input.rs

@@ -1,4 +1,4 @@
-use std::{collections::HashSet, fmt, str::FromStr};
+use std::{collections::HashSet, fmt, num::ParseIntError, str::FromStr};
 
 use enigo::{Enigo, InputResult, Key, Keyboard};
 
@@ -13,35 +13,56 @@ pub struct Input {
 }
 
 #[derive(Debug)]
-pub enum InputFromStrError {}
+pub enum FromStrError {
+    HoldTimeParseError(ParseIntError),
+}
+
+impl From<ParseIntError> for FromStrError {
+    fn from(value: <u32 as FromStr>::Err) -> Self {
+        Self::HoldTimeParseError(value)
+    }
+}
 
 impl FromStr for Input {
-    type Err = InputFromStrError;
+    type Err = FromStrError;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        if let Some(Ok(dir)) = s.chars().next().map(|c| String::from(c).parse()) {
-            Ok(Self {
-                dir,
-                keys: s.chars().skip(1).collect(),
-                held_frames: 0,
-            })
+        let (s, held_frames) = if let Some((s, held_frames)) = s.split_once(':') {
+            (s, held_frames.parse()?)
         } else {
-            Ok(Self {
-                dir: Dir::default(),
-                keys: s.chars().collect(),
-                held_frames: 0,
-            })
-        }
+            (s, 0)
+        };
+
+        let (dir, keys) = if let Some(Ok(dir)) = s.chars().next().map(|c| String::from(c).parse()) {
+            (dir, s.chars().skip(1).collect())
+        } else {
+            (Dir::default(), s.chars().collect())
+        };
+        Ok(Self {
+            dir,
+            keys,
+            held_frames,
+        })
     }
 }
 
 impl fmt::Display for Input {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let mut keys: Vec<_> = self.keys.iter().collect();
+        let mut keys: Vec<_> = self.keys.iter().copied().collect();
         keys.sort_unstable();
-        write!(f, "{}", self.dir)?;
-        for key in keys {
-            write!(f, "{key}")?;
+
+        if self.dir == Dir::default() {
+            write!(f, " ")?;
+        } else {
+            write!(f, "{}", self.dir)?;
+        }
+
+        write!(f, "{:3}", keys.into_iter().collect::<String>())?;
+
+        if self.held_frames > 0 {
+            write!(f, ":{:<2}", self.held_frames)?;
+        } else {
+            write!(f, "   ")?;
         }
         Ok(())
     }

src/main.rs

@@ -16,7 +16,7 @@ fn main() -> Result<(), Box<dyn Error>> {
 
     for input in inputs.windows(2) {
         if let [a, b] = input {
-            println!("Release: {a}, Press: {b}");
+            println!("{:>8}", format!("{b}"));
             a.release(&mut enigo)?;
             b.press(&mut enigo)?;
             thread::sleep(FRAME * b.held_frames);