diff options
Diffstat (limited to 'helix-term/src')
| -rw-r--r-- | helix-term/src/application.rs | 4 | ||||
| -rw-r--r-- | helix-term/src/commands.rs | 71 | ||||
| -rw-r--r-- | helix-term/src/config.rs | 76 | ||||
| -rw-r--r-- | helix-term/src/keymap.rs | 336 | ||||
| -rw-r--r-- | helix-term/src/main.rs | 14 | ||||
| -rw-r--r-- | helix-term/src/ui/editor.rs | 6 |
6 files changed, 121 insertions, 386 deletions
diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs index 2fae467f..ce43808a 100644 --- a/helix-term/src/application.rs +++ b/helix-term/src/application.rs @@ -1,7 +1,7 @@ use helix_lsp::{lsp, LspProgressMap}; use helix_view::{document::Mode, Document, Editor, Theme, View}; -use crate::{args::Args, compositor::Compositor, config::Config, keymap::Keymaps, ui}; +use crate::{args::Args, compositor::Compositor, config::Config, ui}; use log::{error, info}; @@ -49,7 +49,7 @@ impl Application { let size = compositor.size(); let mut editor = Editor::new(size); - let mut editor_view = Box::new(ui::EditorView::new(config.keymaps)); + let mut editor_view = Box::new(ui::EditorView::new(config.keys)); compositor.push(editor_view); if !args.files.is_empty() { diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index a8610223..1243a86f 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -11,6 +11,7 @@ use helix_core::{ use helix_view::{ document::{IndentStyle, Mode}, + input::{KeyCode, KeyEvent}, view::{View, PADDING}, Document, DocumentId, Editor, ViewId, }; @@ -38,8 +39,8 @@ use std::{ path::{Path, PathBuf}, }; -use crossterm::event::{KeyCode, KeyEvent}; use once_cell::sync::Lazy; +use serde::de::{self, Deserialize, Deserializer}; pub struct Context<'a> { pub selected_register: helix_view::RegisterSelection, @@ -252,6 +253,48 @@ impl Command { ); } +impl fmt::Debug for Command { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + let Command(name, _) = self; + f.debug_tuple("Command").field(name).finish() + } +} + +impl fmt::Display for Command { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + let Command(name, _) = self; + f.write_str(name) + } +} + +impl std::str::FromStr for Command { + type Err = anyhow::Error; + + fn from_str(s: &str) -> Result<Self, Self::Err> { + Command::COMMAND_LIST + .iter() + .copied() + .find(|cmd| cmd.0 == s) + .ok_or_else(|| anyhow!("No command named '{}'", s)) + } +} + +impl<'de> Deserialize<'de> for Command { + 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 PartialEq for Command { + fn eq(&self, other: &Self) -> bool { + self.name() == other.name() + } +} + fn move_char_left(cx: &mut Context) { let count = cx.count(); let (view, doc) = current!(cx.editor); @@ -3042,29 +3085,3 @@ fn right_bracket_mode(cx: &mut Context) { } }) } - -impl fmt::Display for Command { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - let Command(name, _) = self; - f.write_str(name) - } -} - -impl std::str::FromStr for Command { - type Err = anyhow::Error; - - fn from_str(s: &str) -> Result<Self, Self::Err> { - Command::COMMAND_LIST - .iter() - .copied() - .find(|cmd| cmd.0 == s) - .ok_or_else(|| anyhow!("No command named '{}'", s)) - } -} - -impl fmt::Debug for Command { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - let Command(name, _) = self; - f.debug_tuple("Command").field(name).finish() - } -} diff --git a/helix-term/src/config.rs b/helix-term/src/config.rs index e5e17753..9c962299 100644 --- a/helix-term/src/config.rs +++ b/helix-term/src/config.rs @@ -1,10 +1,9 @@ -use anyhow::{Error, Result}; -use std::{collections::HashMap, str::FromStr}; +use serde::Deserialize; -use serde::{de::Error as SerdeError, Deserialize, Serialize}; - -use crate::keymap::{parse_keymaps, Keymaps}; +use crate::commands::Command; +use crate::keymap::Keymaps; +#[derive(Debug, PartialEq, Deserialize)] pub struct GlobalConfig { pub lsp_progress: bool, } @@ -15,35 +14,50 @@ impl Default for GlobalConfig { } } -#[derive(Default)] +#[derive(Debug, Default, PartialEq, Deserialize)] +#[serde(default)] pub struct Config { pub global: GlobalConfig, - pub keymaps: Keymaps, + pub keys: Keymaps, } -#[derive(Serialize, Deserialize)] -#[serde(rename_all = "kebab-case")] -struct TomlConfig { - lsp_progress: Option<bool>, - keys: Option<HashMap<String, HashMap<String, String>>>, -} +#[test] +fn parsing_keymaps_config_file() { + use helix_core::hashmap; + use helix_view::document::Mode; + use helix_view::input::{KeyCode, KeyEvent, KeyModifiers}; -impl<'de> Deserialize<'de> for Config { - fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> - where - D: serde::Deserializer<'de>, - { - let config = TomlConfig::deserialize(deserializer)?; - Ok(Self { - global: GlobalConfig { - lsp_progress: config.lsp_progress.unwrap_or(true), - }, - keymaps: config - .keys - .map(|r| parse_keymaps(&r)) - .transpose() - .map_err(|e| D::Error::custom(format!("Error deserializing keymap: {}", e)))? - .unwrap_or_else(Keymaps::default), - }) - } + let sample_keymaps = r#" + [keys.insert] + y = "move_line_down" + S-C-a = "delete_selection" + + [keys.normal] + A-F12 = "move_next_word_end" + "#; + + assert_eq!( + toml::from_str::<Config>(sample_keymaps).unwrap(), + Config { + global: Default::default(), + keys: Keymaps(hashmap! { + Mode::Insert => hashmap! { + KeyEvent { + code: KeyCode::Char('y'), + modifiers: KeyModifiers::NONE, + } => Command::move_line_down, + KeyEvent { + code: KeyCode::Char('a'), + modifiers: KeyModifiers::SHIFT | KeyModifiers::CONTROL, + } => Command::delete_selection, + }, + Mode::Normal => hashmap! { + KeyEvent { + code: KeyCode::F(12), + modifiers: KeyModifiers::ALT, + } => Command::move_next_word_end, + }, + }) + } + ); } diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs index f6bcbcc9..24924832 100644 --- a/helix-term/src/keymap.rs +++ b/helix-term/src/keymap.rs @@ -3,6 +3,8 @@ pub use crate::commands::Command; use anyhow::{anyhow, Error, Result}; use helix_core::hashmap; use helix_view::document::Mode; +use helix_view::input::{KeyCode, KeyEvent, KeyModifiers}; +use serde::Deserialize; use std::{ collections::HashMap, fmt::Display, @@ -99,14 +101,6 @@ use std::{ // D] = last diagnostic // } -// #[cfg(feature = "term")] -pub use crossterm::event::{KeyCode, KeyEvent, KeyModifiers}; - -#[derive(Clone, Debug)] -pub struct Keymap(pub HashMap<KeyEvent, Command>); -#[derive(Clone, Debug)] -pub struct Keymaps(pub HashMap<Mode, Keymap>); - #[macro_export] macro_rules! key { ($key:ident) => { @@ -141,9 +135,21 @@ macro_rules! alt { }; } +#[derive(Debug, PartialEq, Deserialize)] +#[serde(transparent)] +pub struct Keymaps(pub HashMap<Mode, HashMap<KeyEvent, Command>>); + +impl Deref for Keymaps { + type Target = HashMap<Mode, HashMap<KeyEvent, Command>>; + + fn deref(&self) -> &Self::Target { + &self.0 + } +} + impl Default for Keymaps { - fn default() -> Self { - let normal = Keymap(hashmap!( + fn default() -> Keymaps { + let normal = hashmap!( key!('h') => Command::move_char_left, key!('j') => Command::move_line_down, key!('k') => Command::move_line_up, @@ -277,12 +283,12 @@ impl Default for Keymaps { key!('z') => Command::view_mode, key!('"') => Command::select_register, - )); + ); // TODO: decide whether we want normal mode to also be select mode (kakoune-like), or whether // we keep this separate select mode. More keys can fit into normal mode then, but it's weird // because some selection operations can now be done from normal mode, some from select mode. let mut select = normal.clone(); - select.0.extend( + select.extend( hashmap!( key!('h') => Command::extend_char_left, key!('j') => Command::extend_line_down, @@ -315,7 +321,7 @@ impl Default for Keymaps { // TODO: select could be normal mode with some bindings merged over Mode::Normal => normal, Mode::Select => select, - Mode::Insert => Keymap(hashmap!( + Mode::Insert => hashmap!( key!(Esc) => Command::normal_mode as Command, key!(Backspace) => Command::delete_char_backward, key!(Delete) => Command::delete_char_forward, @@ -329,309 +335,7 @@ impl Default for Keymaps { key!(PageDown) => Command::page_down, ctrl!('x') => Command::completion, ctrl!('w') => Command::delete_word_backward, - )), + ), )) } } - -// Newtype wrapper over keys to allow toml serialization/parsing -#[derive(Debug, PartialEq, PartialOrd, Clone, Copy, Hash)] -pub struct RepresentableKeyEvent(pub KeyEvent); -impl Display for RepresentableKeyEvent { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - let Self(key) = self; - f.write_fmt(format_args!( - "{}{}{}", - if key.modifiers.contains(KeyModifiers::SHIFT) { - "S-" - } else { - "" - }, - if key.modifiers.contains(KeyModifiers::ALT) { - "A-" - } else { - "" - }, - if key.modifiers.contains(KeyModifiers::CONTROL) { - "C-" - } else { - "" - }, - ))?; - match key.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 FromStr for RepresentableKeyEvent { - 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(RepresentableKeyEvent(KeyEvent { code, modifiers })) - } -} - -pub fn parse_keymaps(toml_keymaps: &HashMap<String, HashMap<String, String>>) -> Result<Keymaps> { - let mut keymaps = Keymaps::default(); - - for (mode, map) in toml_keymaps { - let mode = Mode::from_str(&mode)?; - for (key, command) in map { - let key = str::parse::<RepresentableKeyEvent>(&key)?; - let command = str::parse::<Command>(&command)?; - keymaps.0.get_mut(&mode).unwrap().0.insert(key.0, command); - } - } - Ok(keymaps) -} - -impl Deref for Keymap { - type Target = HashMap<KeyEvent, Command>; - fn deref(&self) -> &Self::Target { - &self.0 - } -} - -impl Deref for Keymaps { - type Target = HashMap<Mode, Keymap>; - fn deref(&self) -> &Self::Target { - &self.0 - } -} - -impl DerefMut for Keymap { - fn deref_mut(&mut self) -> &mut Self::Target { - &mut self.0 - } -} - -impl DerefMut for Keymaps { - fn deref_mut(&mut self) -> &mut Self::Target { - &mut self.0 - } -} - -#[cfg(test)] -mod test { - use crate::config::Config; - - use super::*; - - impl PartialEq for Command { - fn eq(&self, other: &Self) -> bool { - self.name() == other.name() - } - } - - #[test] - fn parsing_keymaps_config_file() { - let sample_keymaps = r#" - [keys.insert] - y = "move_line_down" - S-C-a = "delete_selection" - - [keys.normal] - A-F12 = "move_next_word_end" - "#; - - let config: Config = toml::from_str(sample_keymaps).unwrap(); - assert_eq!( - *config - .keymaps - .0 - .get(&Mode::Insert) - .unwrap() - .0 - .get(&KeyEvent { - code: KeyCode::Char('y'), - modifiers: KeyModifiers::NONE - }) - .unwrap(), - Command::move_line_down - ); - assert_eq!( - *config - .keymaps - .0 - .get(&Mode::Insert) - .unwrap() - .0 - .get(&KeyEvent { - code: KeyCode::Char('a'), - modifiers: KeyModifiers::SHIFT | KeyModifiers::CONTROL - }) - .unwrap(), - Command::delete_selection - ); - assert_eq!( - *config - .keymaps - .0 - .get(&Mode::Normal) - .unwrap() - .0 - .get(&KeyEvent { - code: KeyCode::F(12), - modifiers: KeyModifiers::ALT - }) - .unwrap(), - Command::move_next_word_end - ); - } - - #[test] - fn parsing_unmodified_keys() { - assert_eq!( - str::parse::<RepresentableKeyEvent>("backspace").unwrap(), - RepresentableKeyEvent(KeyEvent { - code: KeyCode::Backspace, - modifiers: KeyModifiers::NONE - }) - ); - - assert_eq!( - str::parse::<RepresentableKeyEvent>("left").unwrap(), - RepresentableKeyEvent(KeyEvent { - code: KeyCode::Left, - modifiers: KeyModifiers::NONE - }) - ); - - assert_eq!( - str::parse::<RepresentableKeyEvent>(",").unwrap(), - RepresentableKeyEvent(KeyEvent { - code: KeyCode::Char(','), - modifiers: KeyModifiers::NONE - }) - ); - - assert_eq!( - str::parse::<RepresentableKeyEvent>("w").unwrap(), - RepresentableKeyEvent(KeyEvent { - code: KeyCode::Char('w'), - modifiers: KeyModifiers::NONE - }) - ); - - assert_eq!( - str::parse::<RepresentableKeyEvent>("F12").unwrap(), - RepresentableKeyEvent(KeyEvent { - code: KeyCode::F(12), - modifiers: KeyModifiers::NONE - }) - ); - } - - fn parsing_modified_keys() { - assert_eq!( - str::parse::<RepresentableKeyEvent>("S-minus").unwrap(), - RepresentableKeyEvent(KeyEvent { - code: KeyCode::Char('-'), - modifiers: KeyModifiers::SHIFT - }) - ); - - assert_eq!( - str::parse::<RepresentableKeyEvent>("C-A-S-F12").unwrap(), - RepresentableKeyEvent(KeyEvent { - code: KeyCode::F(12), - modifiers: KeyModifiers::SHIFT | KeyModifiers::CONTROL | KeyModifiers::ALT - }) - ); - - assert_eq!( - str::parse::<RepresentableKeyEvent>("S-C-2").unwrap(), - RepresentableKeyEvent(KeyEvent { - code: KeyCode::F(2), - modifiers: KeyModifiers::SHIFT | KeyModifiers::CONTROL - }) - ); - } - - #[test] - fn parsing_nonsensical_keys_fails() { - assert!(str::parse::<RepresentableKeyEvent>("F13").is_err()); - assert!(str::parse::<RepresentableKeyEvent>("F0").is_err()); - assert!(str::parse::<RepresentableKeyEvent>("aaa").is_err()); - assert!(str::parse::<RepresentableKeyEvent>("S-S-a").is_err()); - assert!(str::parse::<RepresentableKeyEvent>("C-A-S-C-1").is_err()); - assert!(str::parse::<RepresentableKeyEvent>("FU").is_err()); - assert!(str::parse::<RepresentableKeyEvent>("123").is_err()); - assert!(str::parse::<RepresentableKeyEvent>("S--").is_err()); - } -} diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs index ef912480..12176910 100644 --- a/helix-term/src/main.rs +++ b/helix-term/src/main.rs @@ -1,10 +1,9 @@ +use anyhow::{Context, Error, Result}; use helix_term::application::Application; use helix_term::args::Args; use helix_term::config::Config; use std::path::PathBuf; -use anyhow::{Context, Result}; - fn setup_logging(logpath: PathBuf, verbosity: u64) -> Result<()> { let mut base_config = fern::Dispatch::new(); @@ -89,12 +88,11 @@ FLAGS: std::fs::create_dir_all(&conf_dir).ok(); } - let config = std::fs::read_to_string(conf_dir.join("config.toml")) - .ok() - .map(|s| toml::from_str(&s)) - .transpose()? - .or_else(|| Some(Config::default())) - .unwrap(); + let config = match std::fs::read_to_string(conf_dir.join("config.toml")) { + Ok(config) => toml::from_str(&config)?, + Err(err) if err.kind() == std::io::ErrorKind::NotFound => Config::default(), + Err(err) => return Err(Error::new(err)), + }; setup_logging(logpath, args.verbosity).context("failed to initialize logging")?; diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs index 3dc43d3f..d0eedad6 100644 --- a/helix-term/src/ui/editor.rs +++ b/helix-term/src/ui/editor.rs @@ -11,12 +11,13 @@ use helix_core::{ syntax::{self, HighlightEvent}, Position, Range, }; +use helix_view::input::{KeyCode, KeyEvent, KeyModifiers}; use helix_view::{document::Mode, Document, Editor, Theme, View}; use std::borrow::Cow; use crossterm::{ cursor, - event::{read, Event, EventStream, KeyCode, KeyEvent, KeyModifiers}, + event::{read, Event, EventStream}, }; use tui::{ backend::CrosstermBackend, @@ -607,7 +608,8 @@ impl Component for EditorView { cx.editor.resize(Rect::new(0, 0, width, height - 1)); EventResult::Consumed(None) } - Event::Key(mut key) => { + Event::Key(key) => { + let mut key = KeyEvent::from(key); canonicalize_key(&mut key); // clear status cx.editor.status_msg = None; |