Add an infallible way to resolve a KeyCode

crates/livesplit-hotkey/src/key_code.rs

@@ -227,6 +227,212 @@ pub enum KeyCode {
     NumpadChangeSign,  // Chrome only
 }
 
+impl KeyCode {
+    /// Resolve the KeyCode according to the standard US layout.
+    pub fn as_str(self) -> &'static str {
+        use self::KeyCode::*;
+        match self {
+            Backquote => "`",
+            Backslash => r"\",
+            Backspace => "⌫",
+            BracketLeft => "[",
+            BracketRight => "]",
+            Comma => ",",
+            Digit0 => "0",
+            Digit1 => "1",
+            Digit2 => "2",
+            Digit3 => "3",
+            Digit4 => "4",
+            Digit5 => "5",
+            Digit6 => "6",
+            Digit7 => "7",
+            Digit8 => "8",
+            Digit9 => "9",
+            Equal => "=",
+            IntlBackslash => r"International Backslash",
+            IntlRo => "ろ",
+            IntlYen => "¥",
+            KeyA => "A",
+            KeyB => "B",
+            KeyC => "C",
+            KeyD => "D",
+            KeyE => "E",
+            KeyF => "F",
+            KeyG => "G",
+            KeyH => "H",
+            KeyI => "I",
+            KeyJ => "J",
+            KeyK => "K",
+            KeyL => "L",
+            KeyM => "M",
+            KeyN => "N",
+            KeyO => "O",
+            KeyP => "P",
+            KeyQ => "Q",
+            KeyR => "R",
+            KeyS => "S",
+            KeyT => "T",
+            KeyU => "U",
+            KeyV => "V",
+            KeyW => "W",
+            KeyX => "X",
+            KeyY => "Y",
+            KeyZ => "Z",
+            Minus => "-",
+            Period => ".",
+            Quote => "'",
+            Semicolon => ";",
+            Slash => "/",
+            AltLeft => "Alt Left",
+            AltRight => "Alt Right",
+            CapsLock => "⇪",
+            ContextMenu => "Context Menu",
+            ControlLeft => "Control Left",
+            ControlRight => "Control Right",
+            Enter => "↵",
+            MetaLeft => "⌘ Left",
+            MetaRight => "⌘ Right",
+            ShiftLeft => "⇧ Left",
+            ShiftRight => "⇧ Right",
+            Space => "Space",
+            Tab => "⇥",
+            Convert => "変換",
+            KanaMode => "カタカナ/ひらがな/ローマ字",
+            Lang1 => "한/영 かな",
+            Lang2 => "한자 英数",
+            Lang3 => "カタカナ",
+            Lang4 => "ひらがな",
+            Lang5 => "半角/全角/漢字",
+            NonConvert => "無変換",
+            Delete => "Delete",
+            End => "End",
+            Help => "Help",
+            Home => "Home",
+            Insert => "Insert",
+            PageDown => "Page Down",
+            PageUp => "Page Up",
+            ArrowDown => "↓",
+            ArrowLeft => "←",
+            ArrowRight => "→",
+            ArrowUp => "↑",
+            NumLock => "Num Lock",
+            Numpad0 => "Numpad 0",
+            Numpad1 => "Numpad 1",
+            Numpad2 => "Numpad 2",
+            Numpad3 => "Numpad 3",
+            Numpad4 => "Numpad 4",
+            Numpad5 => "Numpad 5",
+            Numpad6 => "Numpad 6",
+            Numpad7 => "Numpad 7",
+            Numpad8 => "Numpad 8",
+            Numpad9 => "Numpad 9",
+            NumpadAdd => "Numpad +",
+            NumpadBackspace => "Numpad ⌫",
+            NumpadClear => "Numpad C",
+            NumpadClearEntry => "Numpad CE",
+            NumpadComma => "Numpad ,",
+            NumpadDecimal => "Numpad .",
+            NumpadDivide => "Numpad /",
+            NumpadEnter => "Numpad ↵",
+            NumpadEqual => "Numpad =",
+            NumpadHash => "Numpad #",
+            NumpadMemoryAdd => "Numpad M+",
+            NumpadMemoryClear => "Numpad MC",
+            NumpadMemoryRecall => "Numpad MR",
+            NumpadMemoryStore => "Numpad MS",
+            NumpadMemorySubtract => "Numpad M-",
+            NumpadMultiply => "Numpad *",
+            NumpadParenLeft => "Numpad (",
+            NumpadParenRight => "Numpad )",
+            NumpadStar => "Numpad * (Star)",
+            NumpadSubtract => "Numpad -",
+            Escape => "Escape",
+            F1 => "F1",
+            F2 => "F2",
+            F3 => "F3",
+            F4 => "F4",
+            F5 => "F5",
+            F6 => "F6",
+            F7 => "F7",
+            F8 => "F8",
+            F9 => "F9",
+            F10 => "F10",
+            F11 => "F11",
+            F12 => "F12",
+            F13 => "F13",
+            F14 => "F14",
+            F15 => "F15",
+            F16 => "F16",
+            F17 => "F17",
+            F18 => "F18",
+            F19 => "F19",
+            F20 => "F20",
+            F21 => "F21",
+            F22 => "F22",
+            F23 => "F23",
+            F24 => "F24",
+            Fn => "Fn",
+            FnLock => "FnLock",
+            PrintScreen => "Print Screen",
+            ScrollLock => "Scroll Lock",
+            Pause => "Pause Break",
+            BrowserBack => "Browser ⏮",
+            BrowserFavorites => "Browser Favorites",
+            BrowserForward => "Browser ⏭",
+            BrowserHome => "Browser 🏠",
+            BrowserRefresh => "Browser Refresh",
+            BrowserSearch => "Browser Search",
+            BrowserStop => "Browser Stop",
+            Eject => "⏏",
+            LaunchApp1 => "Launch App 1",
+            LaunchApp2 => "Launch App 2",
+            LaunchMail => "Launch Mail",
+            MediaPlayPause => "⏯",
+            MediaSelect => "Media Select",
+            MediaStop => "◼",
+            MediaTrackNext => "⏭",
+            MediaTrackPrevious => "⏮",
+            Power => "Power",
+            Sleep => "Sleep",
+            AudioVolumeDown => "🔉",
+            AudioVolumeMute => "🔇",
+            AudioVolumeUp => "🔊",
+            WakeUp => "Wake Up",
+            Again => "Again",
+            Copy => "Copy",
+            Cut => "Cut",
+            Find => "Find",
+            Open => "Open",
+            Paste => "Paste",
+            Props => "Props",
+            Select => "Select",
+            Undo => "Undo",
+            Gamepad0 => "Gamepad 0",
+            Gamepad1 => "Gamepad 1",
+            Gamepad2 => "Gamepad 2",
+            Gamepad3 => "Gamepad 3",
+            Gamepad4 => "Gamepad 4",
+            Gamepad5 => "Gamepad 5",
+            Gamepad6 => "Gamepad 6",
+            Gamepad7 => "Gamepad 7",
+            Gamepad8 => "Gamepad 8",
+            Gamepad9 => "Gamepad 9",
+            Gamepad10 => "Gamepad 10",
+            Gamepad11 => "Gamepad 11",
+            Gamepad12 => "Gamepad 12",
+            Gamepad13 => "Gamepad 13",
+            Gamepad14 => "Gamepad 14",
+            Gamepad15 => "Gamepad 15",
+            Gamepad16 => "Gamepad 16",
+            Gamepad17 => "Gamepad 17",
+            Gamepad18 => "Gamepad 18",
+            Gamepad19 => "Gamepad 19",
+            LaunchMediaPlayer => "Launch Media Player",
+            NumpadChangeSign => "Numpad Change Sign",
+        }
+    }
+}
+
 impl FromStr for KeyCode {
     type Err = ();
     fn from_str(s: &str) -> Result<Self, Self::Err> {