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-rw-r--r--helix-view/src/document.rs61
-rw-r--r--helix-view/src/input.rs226
-rw-r--r--helix-view/src/lib.rs8
3 files changed, 28 insertions, 267 deletions
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index 8875f70d..e9a8097c 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -1,7 +1,5 @@
use anyhow::{anyhow, Context, Error};
-use serde::de::{self, Deserialize, Deserializer};
use std::cell::Cell;
-use std::collections::HashMap;
use std::fmt::Display;
use std::future::Future;
use std::path::{Component, Path, PathBuf};
@@ -17,6 +15,8 @@ use helix_core::{
use crate::{DocumentId, ViewId};
+use std::collections::HashMap;
+
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum Mode {
Normal,
@@ -24,40 +24,6 @@ pub enum Mode {
Insert,
}
-impl Display for Mode {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
- match self {
- Mode::Normal => f.write_str("normal"),
- Mode::Select => f.write_str("select"),
- Mode::Insert => f.write_str("insert"),
- }
- }
-}
-
-impl FromStr for Mode {
- type Err = Error;
-
- fn from_str(s: &str) -> Result<Self, Self::Err> {
- match s {
- "normal" => Ok(Mode::Normal),
- "select" => Ok(Mode::Select),
- "insert" => Ok(Mode::Insert),
- _ => Err(anyhow!("Invalid mode '{}'", s)),
- }
- }
-}
-
-// toml deserializer doesn't seem to recognize string as enum
-impl<'de> Deserialize<'de> for Mode {
- fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
- where
- D: Deserializer<'de>,
- {
- let s = String::deserialize(deserializer)?;
- s.parse().map_err(de::Error::custom)
- }
-}
-
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum IndentStyle {
Tabs,
@@ -122,6 +88,29 @@ impl fmt::Debug for Document {
}
}
+impl Display for Mode {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ match self {
+ Mode::Normal => f.write_str("normal"),
+ Mode::Select => f.write_str("select"),
+ Mode::Insert => f.write_str("insert"),
+ }
+ }
+}
+
+impl FromStr for Mode {
+ type Err = Error;
+
+ fn from_str(s: &str) -> Result<Self, Self::Err> {
+ match s {
+ "normal" => Ok(Mode::Normal),
+ "select" => Ok(Mode::Select),
+ "insert" => Ok(Mode::Insert),
+ _ => Err(anyhow!("Invalid mode '{}'", s)),
+ }
+ }
+}
+
/// Like std::mem::replace() except it allows the replacement value to be mapped from the
/// original value.
fn take_with<T, F>(mut_ref: &mut T, closure: F)
diff --git a/helix-view/src/input.rs b/helix-view/src/input.rs
deleted file mode 100644
index ab417819..00000000
--- a/helix-view/src/input.rs
+++ /dev/null
@@ -1,226 +0,0 @@
-//! Input event handling, currently backed by crossterm.
-use anyhow::{anyhow, Error};
-use crossterm::event;
-use serde::de::{self, Deserialize, Deserializer};
-use std::fmt;
-
-pub use crossterm::event::{KeyCode, KeyModifiers};
-
-/// Represents a key event.
-// We use a newtype here because we want to customize Deserialize and Display.
-#[derive(Debug, PartialEq, Eq, PartialOrd, Clone, Copy, Hash)]
-pub struct KeyEvent {
- pub code: KeyCode,
- pub modifiers: KeyModifiers,
-}
-
-impl fmt::Display for KeyEvent {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> std::fmt::Result {
- f.write_fmt(format_args!(
- "{}{}{}",
- if self.modifiers.contains(KeyModifiers::SHIFT) {
- "S-"
- } else {
- ""
- },
- if self.modifiers.contains(KeyModifiers::ALT) {
- "A-"
- } else {
- ""
- },
- if self.modifiers.contains(KeyModifiers::CONTROL) {
- "C-"
- } else {
- ""
- },
- ))?;
- match self.code {
- KeyCode::Backspace => f.write_str("backspace")?,
- KeyCode::Enter => f.write_str("ret")?,
- KeyCode::Left => f.write_str("left")?,
- KeyCode::Right => f.write_str("right")?,
- KeyCode::Up => f.write_str("up")?,
- KeyCode::Down => f.write_str("down")?,
- KeyCode::Home => f.write_str("home")?,
- KeyCode::End => f.write_str("end")?,
- KeyCode::PageUp => f.write_str("pageup")?,
- KeyCode::PageDown => f.write_str("pagedown")?,
- KeyCode::Tab => f.write_str("tab")?,
- KeyCode::BackTab => f.write_str("backtab")?,
- KeyCode::Delete => f.write_str("del")?,
- KeyCode::Insert => f.write_str("ins")?,
- KeyCode::Null => f.write_str("null")?,
- KeyCode::Esc => f.write_str("esc")?,
- KeyCode::Char('<') => f.write_str("lt")?,
- KeyCode::Char('>') => f.write_str("gt")?,
- KeyCode::Char('+') => f.write_str("plus")?,
- KeyCode::Char('-') => f.write_str("minus")?,
- KeyCode::Char(';') => f.write_str("semicolon")?,
- KeyCode::Char('%') => f.write_str("percent")?,
- KeyCode::F(i) => f.write_fmt(format_args!("F{}", i))?,
- KeyCode::Char(c) => f.write_fmt(format_args!("{}", c))?,
- };
- Ok(())
- }
-}
-
-impl std::str::FromStr for KeyEvent {
- type Err = Error;
-
- fn from_str(s: &str) -> Result<Self, Self::Err> {
- let mut tokens: Vec<_> = s.split('-').collect();
- let code = match tokens.pop().ok_or_else(|| anyhow!("Missing key code"))? {
- "backspace" => KeyCode::Backspace,
- "space" => KeyCode::Char(' '),
- "ret" => KeyCode::Enter,
- "lt" => KeyCode::Char('<'),
- "gt" => KeyCode::Char('>'),
- "plus" => KeyCode::Char('+'),
- "minus" => KeyCode::Char('-'),
- "semicolon" => KeyCode::Char(';'),
- "percent" => KeyCode::Char('%'),
- "left" => KeyCode::Left,
- "right" => KeyCode::Right,
- "up" => KeyCode::Down,
- "home" => KeyCode::Home,
- "end" => KeyCode::End,
- "pageup" => KeyCode::PageUp,
- "pagedown" => KeyCode::PageDown,
- "tab" => KeyCode::Tab,
- "backtab" => KeyCode::BackTab,
- "del" => KeyCode::Delete,
- "ins" => KeyCode::Insert,
- "null" => KeyCode::Null,
- "esc" => KeyCode::Esc,
- single if single.len() == 1 => KeyCode::Char(single.chars().next().unwrap()),
- function if function.len() > 1 && function.starts_with('F') => {
- let function: String = function.chars().skip(1).collect();
- let function = str::parse::<u8>(&function)?;
- (function > 0 && function < 13)
- .then(|| KeyCode::F(function))
- .ok_or_else(|| anyhow!("Invalid function key '{}'", function))?
- }
- invalid => return Err(anyhow!("Invalid key code '{}'", invalid)),
- };
-
- let mut modifiers = KeyModifiers::empty();
- for token in tokens {
- let flag = match token {
- "S" => KeyModifiers::SHIFT,
- "A" => KeyModifiers::ALT,
- "C" => KeyModifiers::CONTROL,
- _ => return Err(anyhow!("Invalid key modifier '{}-'", token)),
- };
-
- if modifiers.contains(flag) {
- return Err(anyhow!("Repeated key modifier '{}-'", token));
- }
- modifiers.insert(flag);
- }
-
- Ok(KeyEvent { code, modifiers })
- }
-}
-
-impl<'de> Deserialize<'de> for KeyEvent {
- fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
- where
- D: Deserializer<'de>,
- {
- let s = String::deserialize(deserializer)?;
- s.parse().map_err(de::Error::custom)
- }
-}
-
-impl From<event::KeyEvent> for KeyEvent {
- fn from(event::KeyEvent { code, modifiers }: event::KeyEvent) -> KeyEvent {
- KeyEvent { code, modifiers }
- }
-}
-
-#[cfg(test)]
-mod test {
- use super::*;
-
- #[test]
- fn parsing_unmodified_keys() {
- assert_eq!(
- str::parse::<KeyEvent>("backspace").unwrap(),
- KeyEvent {
- code: KeyCode::Backspace,
- modifiers: KeyModifiers::NONE
- }
- );
-
- assert_eq!(
- str::parse::<KeyEvent>("left").unwrap(),
- KeyEvent {
- code: KeyCode::Left,
- modifiers: KeyModifiers::NONE
- }
- );
-
- assert_eq!(
- str::parse::<KeyEvent>(",").unwrap(),
- KeyEvent {
- code: KeyCode::Char(','),
- modifiers: KeyModifiers::NONE
- }
- );
-
- assert_eq!(
- str::parse::<KeyEvent>("w").unwrap(),
- KeyEvent {
- code: KeyCode::Char('w'),
- modifiers: KeyModifiers::NONE
- }
- );
-
- assert_eq!(
- str::parse::<KeyEvent>("F12").unwrap(),
- KeyEvent {
- code: KeyCode::F(12),
- modifiers: KeyModifiers::NONE
- }
- );
- }
-
- #[test]
- fn parsing_modified_keys() {
- assert_eq!(
- str::parse::<KeyEvent>("S-minus").unwrap(),
- KeyEvent {
- code: KeyCode::Char('-'),
- modifiers: KeyModifiers::SHIFT
- }
- );
-
- assert_eq!(
- str::parse::<KeyEvent>("C-A-S-F12").unwrap(),
- KeyEvent {
- code: KeyCode::F(12),
- modifiers: KeyModifiers::SHIFT | KeyModifiers::CONTROL | KeyModifiers::ALT
- }
- );
-
- assert_eq!(
- str::parse::<KeyEvent>("S-C-2").unwrap(),
- KeyEvent {
- code: KeyCode::Char('2'),
- modifiers: KeyModifiers::SHIFT | KeyModifiers::CONTROL
- }
- );
- }
-
- #[test]
- fn parsing_nonsensical_keys_fails() {
- assert!(str::parse::<KeyEvent>("F13").is_err());
- assert!(str::parse::<KeyEvent>("F0").is_err());
- assert!(str::parse::<KeyEvent>("aaa").is_err());
- assert!(str::parse::<KeyEvent>("S-S-a").is_err());
- assert!(str::parse::<KeyEvent>("C-A-S-C-1").is_err());
- assert!(str::parse::<KeyEvent>("FU").is_err());
- assert!(str::parse::<KeyEvent>("123").is_err());
- assert!(str::parse::<KeyEvent>("S--").is_err());
- }
-}
diff --git a/helix-view/src/lib.rs b/helix-view/src/lib.rs
index 8b635700..20613451 100644
--- a/helix-view/src/lib.rs
+++ b/helix-view/src/lib.rs
@@ -3,16 +3,14 @@ pub mod macros;
pub mod document;
pub mod editor;
-pub mod input;
pub mod register_selection;
pub mod theme;
pub mod tree;
pub mod view;
-slotmap::new_key_type! {
- pub struct DocumentId;
- pub struct ViewId;
-}
+use slotmap::new_key_type;
+new_key_type! { pub struct DocumentId; }
+new_key_type! { pub struct ViewId; }
pub use document::Document;
pub use editor::Editor;
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-23 19:29:24 +0000