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636 lines
16 KiB
Rust
636 lines
16 KiB
Rust
use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
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use serde::{Deserialize, Serialize};
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use std::cmp::Ordering;
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use tui_input::InputRequest;
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
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#[serde(rename_all = "kebab-case")]
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pub enum Key {
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F1,
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F2,
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F3,
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F4,
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F5,
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F6,
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F7,
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F8,
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F9,
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F10,
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F11,
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F12,
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Num0,
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Num1,
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Num2,
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Num3,
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Num4,
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Num5,
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Num6,
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Num7,
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Num8,
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Num9,
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AltNum0,
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AltNum1,
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AltNum2,
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AltNum3,
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AltNum4,
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AltNum5,
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AltNum6,
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AltNum7,
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AltNum8,
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AltNum9,
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Backspace,
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Left,
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Right,
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Up,
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Down,
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Home,
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End,
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PageUp,
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PageDown,
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BackTab,
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Delete,
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Insert,
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Enter,
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Space,
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Tab,
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Esc,
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A,
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B,
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C,
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D,
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E,
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F,
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G,
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H,
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I,
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J,
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K,
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L,
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M,
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N,
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O,
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P,
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Q,
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R,
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S,
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T,
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U,
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V,
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W,
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X,
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Y,
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Z,
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CtrlA,
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CtrlB,
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CtrlC,
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CtrlD,
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CtrlE,
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CtrlF,
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CtrlG,
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CtrlH,
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CtrlI,
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CtrlJ,
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CtrlK,
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CtrlL,
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CtrlM,
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CtrlN,
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CtrlO,
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CtrlP,
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CtrlQ,
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CtrlR,
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CtrlS,
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CtrlT,
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CtrlU,
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CtrlV,
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CtrlW,
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CtrlX,
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CtrlY,
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CtrlZ,
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CtrlBackspace,
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CtrlLeft,
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CtrlRight,
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CtrlUp,
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CtrlDown,
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CtrlHome,
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CtrlEnd,
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CtrlPageUp,
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CtrlPageDown,
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CtrlBackTab,
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CtrlDelete,
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CtrlInsert,
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CtrlEnter,
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CtrlSpace,
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CtrlTab,
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CtrlEsc,
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AltA,
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AltB,
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AltC,
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AltD,
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AltE,
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AltF,
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AltG,
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AltH,
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AltI,
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AltJ,
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AltK,
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AltL,
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AltM,
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AltN,
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AltO,
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AltP,
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AltQ,
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AltR,
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AltS,
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AltT,
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AltU,
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AltV,
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AltW,
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AltX,
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AltY,
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AltZ,
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ShiftA,
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ShiftB,
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ShiftC,
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ShiftD,
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ShiftE,
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ShiftF,
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ShiftG,
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ShiftH,
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ShiftI,
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ShiftJ,
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ShiftK,
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ShiftL,
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ShiftM,
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ShiftN,
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ShiftO,
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ShiftP,
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ShiftQ,
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ShiftR,
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ShiftS,
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ShiftT,
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ShiftU,
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ShiftV,
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ShiftW,
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ShiftX,
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ShiftY,
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ShiftZ,
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Special(char),
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NotSupported,
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}
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impl std::fmt::Display for Key {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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let key_str = self
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.to_char()
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.map(|c| match c {
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' ' => "space".into(),
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_ => c.to_string(),
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})
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.unwrap_or_else(|| {
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serde_yaml::to_value(self)
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.ok()
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.and_then(|v| v.as_str().map(|v| v.to_string()))
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.unwrap_or_default()
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});
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write!(f, "{}", key_str)
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}
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}
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impl Key {
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pub fn to_input_request(self) -> Option<InputRequest> {
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use InputRequest::*;
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use Key::*;
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if self.is_alphabet() || self.is_number() || self.is_special_character()
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{
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self.to_char().map(InsertChar)
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} else {
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match self {
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Backspace => Some(DeletePrevChar),
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Delete => Some(DeleteNextChar),
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Tab => Some(InsertChar('\t')),
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Space => Some(InsertChar(' ')),
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Left => Some(GoToPrevChar),
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CtrlLeft => Some(GoToPrevWord),
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Right => Some(GoToNextChar),
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CtrlRight => Some(GoToNextWord),
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CtrlU => Some(DeleteLine),
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CtrlW => Some(DeletePrevWord),
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CtrlDelete => Some(DeleteNextWord),
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CtrlA => Some(GoToStart),
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CtrlE => Some(GoToEnd),
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Enter => Some(Submit),
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Esc => Some(Escape),
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_ => None,
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}
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}
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}
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pub fn from_event(key: KeyEvent) -> Self {
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match key.modifiers {
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KeyModifiers::CONTROL => match key.code {
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KeyCode::Char('a') => Key::CtrlA,
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KeyCode::Char('b') => Key::CtrlB,
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KeyCode::Char('c') => Key::CtrlC,
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KeyCode::Char('d') => Key::CtrlD,
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KeyCode::Char('e') => Key::CtrlE,
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KeyCode::Char('f') => Key::CtrlF,
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KeyCode::Char('g') => Key::CtrlG,
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KeyCode::Char('h') => Key::CtrlH,
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KeyCode::Char('i') => Key::CtrlI,
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KeyCode::Char('j') => Key::CtrlJ,
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KeyCode::Char('k') => Key::CtrlK,
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KeyCode::Char('l') => Key::CtrlL,
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KeyCode::Char('m') => Key::CtrlM,
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KeyCode::Char('n') => Key::CtrlN,
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KeyCode::Char('o') => Key::CtrlO,
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KeyCode::Char('p') => Key::CtrlP,
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KeyCode::Char('q') => Key::CtrlQ,
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KeyCode::Char('r') => Key::CtrlR,
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KeyCode::Char('s') => Key::CtrlS,
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KeyCode::Char('t') => Key::CtrlT,
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KeyCode::Char('u') => Key::CtrlU,
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KeyCode::Char('v') => Key::CtrlV,
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KeyCode::Char('w') => Key::CtrlW,
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KeyCode::Char('x') => Key::CtrlX,
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KeyCode::Char('y') => Key::CtrlY,
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KeyCode::Char('z') => Key::CtrlZ,
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KeyCode::Char(' ') => Key::CtrlSpace,
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KeyCode::Backspace => Key::CtrlBackspace,
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KeyCode::Left => Key::CtrlLeft,
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KeyCode::Right => Key::CtrlRight,
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KeyCode::Up => Key::CtrlUp,
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KeyCode::Down => Key::CtrlDown,
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KeyCode::Home => Key::CtrlHome,
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KeyCode::End => Key::CtrlEnd,
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KeyCode::PageUp => Key::CtrlPageUp,
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KeyCode::PageDown => Key::CtrlPageDown,
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KeyCode::BackTab => Key::CtrlBackTab,
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KeyCode::Delete => Key::CtrlDelete,
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KeyCode::Insert => Key::CtrlInsert,
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KeyCode::Enter => Key::CtrlEnter,
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KeyCode::Tab => Key::CtrlTab,
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KeyCode::Esc => Key::CtrlEsc,
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KeyCode::Char(c) => c.into(),
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_ => Key::NotSupported,
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},
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KeyModifiers::ALT => match key.code {
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KeyCode::Char('0') => Key::AltNum0,
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KeyCode::Char('1') => Key::AltNum1,
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KeyCode::Char('2') => Key::AltNum2,
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KeyCode::Char('3') => Key::AltNum3,
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KeyCode::Char('4') => Key::AltNum4,
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KeyCode::Char('5') => Key::AltNum5,
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KeyCode::Char('6') => Key::AltNum6,
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KeyCode::Char('7') => Key::AltNum7,
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KeyCode::Char('8') => Key::AltNum8,
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KeyCode::Char('9') => Key::AltNum9,
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KeyCode::Char('a') => Key::AltA,
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KeyCode::Char('b') => Key::AltB,
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KeyCode::Char('c') => Key::AltC,
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KeyCode::Char('d') => Key::AltD,
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KeyCode::Char('e') => Key::AltE,
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KeyCode::Char('f') => Key::AltF,
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KeyCode::Char('g') => Key::AltG,
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KeyCode::Char('h') => Key::AltH,
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KeyCode::Char('i') => Key::AltI,
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KeyCode::Char('j') => Key::AltJ,
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KeyCode::Char('k') => Key::AltK,
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KeyCode::Char('l') => Key::AltL,
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KeyCode::Char('m') => Key::AltM,
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KeyCode::Char('n') => Key::AltN,
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KeyCode::Char('o') => Key::AltO,
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KeyCode::Char('p') => Key::AltP,
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KeyCode::Char('q') => Key::AltQ,
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KeyCode::Char('r') => Key::AltR,
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KeyCode::Char('s') => Key::AltS,
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KeyCode::Char('t') => Key::AltT,
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KeyCode::Char('u') => Key::AltU,
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KeyCode::Char('v') => Key::AltV,
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KeyCode::Char('w') => Key::AltW,
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KeyCode::Char('x') => Key::AltX,
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KeyCode::Char('y') => Key::AltY,
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KeyCode::Char('z') => Key::AltZ,
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KeyCode::Char(c) => c.into(),
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_ => Key::NotSupported,
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},
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_ => match key.code {
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KeyCode::F(1) => Key::F1,
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KeyCode::F(2) => Key::F2,
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KeyCode::F(3) => Key::F3,
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KeyCode::F(4) => Key::F4,
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KeyCode::F(5) => Key::F5,
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KeyCode::F(6) => Key::F6,
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KeyCode::F(7) => Key::F7,
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KeyCode::F(8) => Key::F8,
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KeyCode::F(9) => Key::F9,
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KeyCode::F(10) => Key::F10,
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KeyCode::F(11) => Key::F11,
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KeyCode::F(12) => Key::F12,
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KeyCode::Backspace => Key::Backspace,
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KeyCode::Left => Key::Left,
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KeyCode::Right => Key::Right,
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KeyCode::Up => Key::Up,
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KeyCode::Down => Key::Down,
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KeyCode::Home => Key::Home,
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KeyCode::End => Key::End,
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KeyCode::PageUp => Key::PageUp,
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KeyCode::PageDown => Key::PageDown,
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KeyCode::BackTab => Key::BackTab,
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KeyCode::Delete => Key::Delete,
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KeyCode::Insert => Key::Insert,
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KeyCode::Enter => Key::Enter,
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KeyCode::Tab => Key::Tab,
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KeyCode::Esc => Key::Esc,
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KeyCode::Char(c) => c.into(),
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_ => Key::NotSupported,
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},
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}
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}
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pub fn is_alphabet(&self) -> bool {
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matches!(
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self,
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Self::A
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| Self::B
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| Self::C
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| Self::D
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| Self::E
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| Self::F
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| Self::G
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| Self::H
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| Self::I
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| Self::J
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| Self::K
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| Self::L
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| Self::M
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| Self::N
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| Self::O
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| Self::P
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| Self::Q
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| Self::R
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| Self::S
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| Self::T
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| Self::U
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| Self::V
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| Self::W
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| Self::X
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| Self::Y
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| Self::Z
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| Self::ShiftA
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| Self::ShiftB
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| Self::ShiftC
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| Self::ShiftD
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| Self::ShiftE
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| Self::ShiftF
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| Self::ShiftG
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| Self::ShiftH
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| Self::ShiftI
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| Self::ShiftJ
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| Self::ShiftK
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| Self::ShiftL
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| Self::ShiftM
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| Self::ShiftN
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| Self::ShiftO
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| Self::ShiftP
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| Self::ShiftQ
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| Self::ShiftR
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| Self::ShiftS
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| Self::ShiftT
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| Self::ShiftU
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| Self::ShiftV
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| Self::ShiftW
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| Self::ShiftX
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| Self::ShiftY
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| Self::ShiftZ
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)
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}
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pub fn is_number(&self) -> bool {
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matches!(
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self,
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Self::Num0
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| Self::Num1
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| Self::Num2
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| Self::Num3
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| Self::Num4
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| Self::Num5
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| Self::Num6
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| Self::Num7
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| Self::Num8
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| Self::Num9
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)
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}
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pub fn is_special_character(&self) -> bool {
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matches!(self, Self::Special(_))
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}
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pub fn to_char(self) -> Option<char> {
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match self {
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Self::Num0 => Some('0'),
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Self::Num1 => Some('1'),
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Self::Num2 => Some('2'),
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Self::Num3 => Some('3'),
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Self::Num4 => Some('4'),
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Self::Num5 => Some('5'),
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Self::Num6 => Some('6'),
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Self::Num7 => Some('7'),
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Self::Num8 => Some('8'),
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Self::Num9 => Some('9'),
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Self::A => Some('a'),
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Self::B => Some('b'),
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Self::C => Some('c'),
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Self::D => Some('d'),
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Self::E => Some('e'),
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Self::F => Some('f'),
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Self::G => Some('g'),
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Self::H => Some('h'),
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Self::I => Some('i'),
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Self::J => Some('j'),
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Self::K => Some('k'),
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Self::L => Some('l'),
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Self::M => Some('m'),
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Self::N => Some('n'),
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Self::O => Some('o'),
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Self::P => Some('p'),
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Self::Q => Some('q'),
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Self::R => Some('r'),
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Self::S => Some('s'),
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Self::T => Some('t'),
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Self::U => Some('u'),
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Self::V => Some('v'),
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Self::W => Some('w'),
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Self::X => Some('x'),
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Self::Y => Some('y'),
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Self::Z => Some('z'),
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Self::ShiftA => Some('A'),
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Self::ShiftB => Some('B'),
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Self::ShiftC => Some('C'),
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Self::ShiftD => Some('D'),
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Self::ShiftE => Some('E'),
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Self::ShiftF => Some('F'),
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Self::ShiftG => Some('G'),
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Self::ShiftH => Some('H'),
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Self::ShiftI => Some('I'),
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Self::ShiftJ => Some('J'),
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Self::ShiftK => Some('K'),
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Self::ShiftL => Some('L'),
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Self::ShiftM => Some('M'),
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Self::ShiftN => Some('N'),
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Self::ShiftO => Some('O'),
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Self::ShiftP => Some('P'),
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Self::ShiftQ => Some('Q'),
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Self::ShiftR => Some('R'),
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Self::ShiftS => Some('S'),
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Self::ShiftT => Some('T'),
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Self::ShiftU => Some('U'),
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Self::ShiftV => Some('V'),
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Self::ShiftW => Some('W'),
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Self::ShiftX => Some('X'),
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Self::ShiftY => Some('Y'),
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Self::ShiftZ => Some('Z'),
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Self::Space => Some(' '),
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Self::Special(c) => Some(c.to_owned()),
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_ => None,
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}
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}
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}
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impl From<char> for Key {
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fn from(c: char) -> Self {
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match c {
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'0' => Key::Num0,
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'1' => Key::Num1,
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'2' => Key::Num2,
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'3' => Key::Num3,
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'4' => Key::Num4,
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'5' => Key::Num5,
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'6' => Key::Num6,
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'7' => Key::Num7,
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'8' => Key::Num8,
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'9' => Key::Num9,
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'a' => Key::A,
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'b' => Key::B,
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'c' => Key::C,
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'd' => Key::D,
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'e' => Key::E,
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'f' => Key::F,
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'g' => Key::G,
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'h' => Key::H,
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'i' => Key::I,
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'j' => Key::J,
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'k' => Key::K,
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'l' => Key::L,
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'm' => Key::M,
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'n' => Key::N,
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'o' => Key::O,
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'p' => Key::P,
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'q' => Key::Q,
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'r' => Key::R,
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's' => Key::S,
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't' => Key::T,
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'u' => Key::U,
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'v' => Key::V,
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'w' => Key::W,
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'x' => Key::X,
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'y' => Key::Y,
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'z' => Key::Z,
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'A' => Key::ShiftA,
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'B' => Key::ShiftB,
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'C' => Key::ShiftC,
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'D' => Key::ShiftD,
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'E' => Key::ShiftE,
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|
'F' => Key::ShiftF,
|
|
'G' => Key::ShiftG,
|
|
'H' => Key::ShiftH,
|
|
'I' => Key::ShiftI,
|
|
'J' => Key::ShiftJ,
|
|
'K' => Key::ShiftK,
|
|
'L' => Key::ShiftL,
|
|
'M' => Key::ShiftM,
|
|
'N' => Key::ShiftN,
|
|
'O' => Key::ShiftO,
|
|
'P' => Key::ShiftP,
|
|
'Q' => Key::ShiftQ,
|
|
'R' => Key::ShiftR,
|
|
'S' => Key::ShiftS,
|
|
'T' => Key::ShiftT,
|
|
'U' => Key::ShiftU,
|
|
'V' => Key::ShiftV,
|
|
'W' => Key::ShiftW,
|
|
'X' => Key::ShiftX,
|
|
'Y' => Key::ShiftY,
|
|
'Z' => Key::ShiftZ,
|
|
|
|
' ' => Key::Space,
|
|
'\t' => Key::Tab,
|
|
'\n' => Key::Enter,
|
|
|
|
c => Key::Special(c),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<String> for Key {
|
|
fn from(string: String) -> Self {
|
|
string.into()
|
|
}
|
|
}
|
|
|
|
impl From<&str> for Key {
|
|
fn from(string: &str) -> Self {
|
|
if string.len() == 1 {
|
|
string
|
|
.chars()
|
|
.next()
|
|
.map(|c| c.into())
|
|
.unwrap_or(Key::NotSupported)
|
|
} else {
|
|
Key::NotSupported
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Ord for Key {
|
|
fn cmp(&self, other: &Self) -> Ordering {
|
|
// Notice that the we flip the ordering on costs.
|
|
// In case of a tie we compare positions - this step is necessary
|
|
// to make implementations of `PartialEq` and `Ord` consistent.
|
|
other.to_string().cmp(&self.to_string())
|
|
}
|
|
}
|
|
impl PartialOrd for Key {
|
|
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
|
|
Some(self.cmp(other))
|
|
}
|
|
}
|