summaryrefslogtreecommitdiff
path: root/helix-term
diff options
context:
space:
mode:
Diffstat (limited to 'helix-term')
-rw-r--r--helix-term/Cargo.toml2
-rw-r--r--helix-term/src/editor.rs215
-rw-r--r--helix-term/src/main.rs1
-rw-r--r--helix-term/src/theme.rs59
4 files changed, 153 insertions, 124 deletions
diff --git a/helix-term/Cargo.toml b/helix-term/Cargo.toml
index dcb01c1d..ce3add5c 100644
--- a/helix-term/Cargo.toml
+++ b/helix-term/Cargo.toml
@@ -24,5 +24,3 @@ crossterm = { version = "0.17", features = ["event-stream"] }
smol = "1"
num_cpus = "1.13.0"
tui = { version = "0.10.0", default-features = false, features = ["crossterm"] }
-tree-sitter = "0.16.1"
-tree-sitter-highlight = "0.2.0"
diff --git a/helix-term/src/editor.rs b/helix-term/src/editor.rs
index f7abc806..af18842d 100644
--- a/helix-term/src/editor.rs
+++ b/helix-term/src/editor.rs
@@ -1,5 +1,21 @@
-use crate::{keymap, Args};
+use crate::{keymap, theme::Theme, Args};
+use helix_core::{
+ language_mode::{HighlightConfiguration, HighlightEvent, Highlighter},
+ state::coords_at_pos,
+ state::Mode,
+ State,
+};
+
+use std::{
+ io::{self, stdout, Write},
+ path::PathBuf,
+ time::Duration,
+};
+
+use smol::prelude::*;
+
use anyhow::Error;
+
use crossterm::{
cursor,
cursor::position,
@@ -9,17 +25,7 @@ use crossterm::{
terminal::{self, disable_raw_mode, enable_raw_mode},
};
-use helix_core::{state::coords_at_pos, state::Mode, State};
-use smol::prelude::*;
-use std::collections::HashMap;
-use std::io::{self, stdout, Write};
-use std::path::PathBuf;
-use std::time::Duration;
-
-use tui::backend::CrosstermBackend;
-use tui::buffer::Buffer as Surface;
-use tui::layout::Rect;
-use tui::style::Style;
+use tui::{backend::CrosstermBackend, buffer::Buffer as Surface, layout::Rect, style::Style};
type Terminal = tui::Terminal<CrosstermBackend<std::io::Stdout>>;
@@ -31,7 +37,10 @@ pub struct Editor {
first_line: u16,
size: (u16, u16),
surface: Surface,
- theme: HashMap<&'static str, Style>,
+ theme: Theme,
+ highlighter: Highlighter,
+ highlight_config: HighlightConfiguration,
+ highlight_names: Vec<String>,
}
impl Editor {
@@ -42,43 +51,60 @@ impl Editor {
let size = terminal::size().unwrap();
let area = Rect::new(0, 0, size.0, size.1);
- use tui::style::Color;
- let theme = hashmap! {
- "attribute" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
- "keyword" => Style::default().fg(Color::Rgb(236, 205, 186)), // almond
- "punctuation" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
- "punctuation.delimiter" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
- "operator" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
- "property" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
- "variable.parameter" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
- // TODO distinguish type from type.builtin?
- "type" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
- "type.builtin" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
- "constructor" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
- "function" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
- "function.macro" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
- "comment" => Style::default().fg(Color::Rgb(105, 124, 129)), // sirocco
- "variable.builtin" => Style::default().fg(Color::Rgb(159, 242, 143)), // mint
- "constant" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
- "constant.builtin" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
- "string" => Style::default().fg(Color::Rgb(204, 204, 204)), // silver
- "escape" => Style::default().fg(Color::Rgb(239, 186, 93)), // honey
- // used for lifetimes
- "label" => Style::default().fg(Color::Rgb(239, 186, 93)), // honey
-
- // TODO: diferentiate number builtin
- // TODO: diferentiate doc comment
- // TODO: variable as lilac
- // TODO: mod/use statements as white
- // TODO: mod stuff as chamoise
- // TODO: add "(scoped_identifier) @path" for std::mem::
- //
- // concat (ERROR) @syntax-error and "MISSING ;" selectors for errors
-
- "module" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
- "variable" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
- "function.builtin" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
- };
+ let highlight_names: Vec<String> = [
+ "attribute",
+ "constant.builtin",
+ "constant",
+ "function.builtin",
+ "function.macro",
+ "function",
+ "keyword",
+ "operator",
+ "property",
+ "punctuation",
+ "comment",
+ "escape",
+ "label",
+ // "punctuation.bracket",
+ "punctuation.delimiter",
+ "string",
+ "string.special",
+ "tag",
+ "type",
+ "type.builtin",
+ "constructor",
+ "variable",
+ "variable.builtin",
+ "variable.parameter",
+ "path",
+ ]
+ .iter()
+ .map(|s| s.to_string())
+ .collect();
+
+ // let mut parser = tree_sitter::Parser::new();
+ // parser.set_language(language).unwrap();
+ // let tree = parser.parse(source_code, None).unwrap();
+
+ let language = helix_syntax::get_language(&helix_syntax::LANG::Rust);
+
+ let highlighter = Highlighter::new();
+
+ let mut highlight_config = HighlightConfiguration::new(
+ language,
+ &std::fs::read_to_string(
+ "../helix-syntax/languages/tree-sitter-rust/queries/highlights.scm",
+ )
+ .unwrap(),
+ &std::fs::read_to_string(
+ "../helix-syntax/languages/tree-sitter-rust/queries/injections.scm",
+ )
+ .unwrap(),
+ "", // locals.scm
+ )
+ .unwrap();
+
+ highlight_config.configure(&highlight_names);
let mut editor = Editor {
terminal,
@@ -86,7 +112,11 @@ impl Editor {
first_line: 0,
size,
surface: Surface::empty(area),
- theme,
+ theme: Theme::default(),
+ // TODO; move to state
+ highlighter,
+ highlight_config,
+ highlight_names,
};
if let Some(file) = args.files.pop() {
@@ -108,72 +138,16 @@ impl Editor {
let mut surface = Surface::empty(area);
let mut stdout = stdout();
- //
- use tree_sitter_highlight::{HighlightConfiguration, HighlightEvent, Highlighter};
-
- let highlight_names: Vec<String> = [
- "attribute",
- "constant.builtin",
- "constant",
- "function.builtin",
- "function.macro",
- "function",
- "keyword",
- "operator",
- "property",
- "punctuation",
- "comment",
- "escape",
- "label",
- // "punctuation.bracket",
- "punctuation.delimiter",
- "string",
- "string.special",
- "tag",
- "type",
- "type.builtin",
- "constructor",
- "variable",
- "variable.builtin",
- "variable.parameter",
- "path",
- ]
- .iter()
- .cloned()
- .map(String::from)
- .collect();
-
- let language = helix_syntax::get_language(&helix_syntax::LANG::Rust);
- // let mut parser = tree_sitter::Parser::new();
- // parser.set_language(language).unwrap();
- // let tree = parser.parse(source_code, None).unwrap();
-
- let mut highlighter = Highlighter::new();
-
- let mut config = HighlightConfiguration::new(
- language,
- &std::fs::read_to_string(
- "../helix-syntax/languages/tree-sitter-rust/queries/highlights.scm",
- )
- .unwrap(),
- &std::fs::read_to_string(
- "../helix-syntax/languages/tree-sitter-rust/queries/injections.scm",
- )
- .unwrap(),
- "", // locals.scm
- )
- .unwrap();
-
- config.configure(&highlight_names);
-
- // TODO: inefficient, should feed chunks.iter() to tree_sitter.parse_with(|offset,
- // pos|)
+ // TODO: inefficient, should feed chunks.iter() to tree_sitter.parse_with(|offset, pos|)
let source_code = state.doc.to_string();
// TODO: cache highlight results
// TODO: only recalculate when state.doc is actually modified
- let highlights = highlighter
- .highlight(&config, source_code.as_bytes(), None, |_| None)
+ let highlights = self
+ .highlighter
+ .highlight(&self.highlight_config, source_code.as_bytes(), None, |_| {
+ None
+ })
.unwrap();
let mut spans = Vec::new();
@@ -186,12 +160,10 @@ impl Editor {
for event in highlights {
match event.unwrap() {
HighlightEvent::HighlightStart(span) => {
- // eprintln!("highlight style started: {:?}", highlight_names[span.0]);
spans.push(span);
}
HighlightEvent::HighlightEnd => {
spans.pop();
- // eprintln!("highlight style ended");
}
HighlightEvent::Source { start, end } => {
// TODO: filter out spans out of viewport for now..
@@ -204,17 +176,16 @@ impl Editor {
use helix_core::graphemes::{grapheme_width, RopeGraphemes};
use tui::style::Color;
- let style = match spans.first() {
- Some(span) => self
- .theme
- .get(highlight_names[span.0].as_str())
- .map(|style| *style)
- .unwrap_or(Style::default().fg(Color::Rgb(0, 0, 255))),
+ let style = match spans.first() {
+ Some(span) => self.theme.get(self.highlight_names[span.0].as_str()),
None => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
- // None => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
};
+ // TODO: we could render the text to a surface, then cache that, that
+ // way if only the selection/cursor changes we can copy from cache
+ // and paint the new cursor.
+
// iterate over range char by char
for grapheme in RopeGraphemes::new(&text) {
// TODO: track current char_index
diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs
index e3c16c14..d6c6c499 100644
--- a/helix-term/src/main.rs
+++ b/helix-term/src/main.rs
@@ -3,6 +3,7 @@
mod macros;
mod editor;
mod keymap;
+mod theme;
use editor::Editor;
diff --git a/helix-term/src/theme.rs b/helix-term/src/theme.rs
new file mode 100644
index 00000000..0353f0e6
--- /dev/null
+++ b/helix-term/src/theme.rs
@@ -0,0 +1,59 @@
+use std::collections::HashMap;
+use tui::style::{Color, Style};
+
+/// Color theme for syntax highlighting.
+pub struct Theme {
+ mapping: HashMap<&'static str, Style>,
+}
+
+impl Default for Theme {
+ fn default() -> Self {
+ let mapping = hashmap! {
+ "attribute" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
+ "keyword" => Style::default().fg(Color::Rgb(236, 205, 186)), // almond
+ "punctuation" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
+ "punctuation.delimiter" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
+ "operator" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
+ "property" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
+ "variable.parameter" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
+ // TODO distinguish type from type.builtin?
+ "type" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
+ "type.builtin" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
+ "constructor" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
+ "function" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
+ "function.macro" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
+ "comment" => Style::default().fg(Color::Rgb(105, 124, 129)), // sirocco
+ "variable.builtin" => Style::default().fg(Color::Rgb(159, 242, 143)), // mint
+ "constant" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
+ "constant.builtin" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
+ "string" => Style::default().fg(Color::Rgb(204, 204, 204)), // silver
+ "escape" => Style::default().fg(Color::Rgb(239, 186, 93)), // honey
+ // used for lifetimes
+ "label" => Style::default().fg(Color::Rgb(239, 186, 93)), // honey
+
+ // TODO: diferentiate number builtin
+ // TODO: diferentiate doc comment
+ // TODO: variable as lilac
+ // TODO: mod/use statements as white
+ // TODO: mod stuff as chamoise
+ // TODO: add "(scoped_identifier) @path" for std::mem::
+ //
+ // concat (ERROR) @syntax-error and "MISSING ;" selectors for errors
+
+ "module" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
+ "variable" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
+ "function.builtin" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
+ };
+
+ Self { mapping }
+ }
+}
+
+impl Theme {
+ pub fn get(&self, scope: &str) -> Style {
+ self.mapping
+ .get(scope)
+ .copied()
+ .unwrap_or_else(|| Style::default().fg(Color::Rgb(0, 0, 255)))
+ }
+}