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187 lines
6.1 KiB
Rust
187 lines
6.1 KiB
Rust
use helix_core::hashmap;
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use std::collections::HashMap;
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#[cfg(feature = "term")]
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pub use tui::style::{Color, Style};
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// #[derive(Clone, Copy, PartialEq, Eq, Default, Hash)]
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// pub struct Color {
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// pub r: u8,
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// pub g: u8,
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// pub b: u8,
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// }
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// impl Color {
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// pub fn new(r: u8, g: u8, b: u8) -> Self {
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// Self { r, g, b }
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// }
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// }
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// #[cfg(feature = "term")]
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// impl Into<tui::style::Color> for Color {
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// fn into(self) -> tui::style::Color {
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// tui::style::Color::Rgb(self.r, self.g, self.b)
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// }
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// }
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// impl std::str::FromStr for Color {
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// type Err = ();
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// /// Tries to parse a string (`'#FFFFFF'` or `'FFFFFF'`) into RGB.
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// fn from_str(input: &str) -> Result<Self, Self::Err> {
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// let input = input.trim();
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// let input = match (input.chars().next(), input.len()) {
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// (Some('#'), 7) => &input[1..],
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// (_, 6) => input,
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// _ => return Err(()),
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// };
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// u32::from_str_radix(&input, 16)
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// .map(|s| Color {
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// r: ((s >> 16) & 0xFF) as u8,
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// g: ((s >> 8) & 0xFF) as u8,
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// b: (s & 0xFF) as u8,
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// })
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// .map_err(|_| ())
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// }
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// }
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// #[derive(Clone, Copy, PartialEq, Eq, Default, Hash)]
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// pub struct Style {
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// pub fg: Option<Color>,
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// pub bg: Option<Color>,
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// // TODO: modifiers (bold, underline, italic, etc)
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// }
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// impl Style {
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// pub fn fg(mut self, fg: Color) -> Self {
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// self.fg = Some(fg);
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// self
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// }
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// pub fn bg(mut self, bg: Color) -> Self {
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// self.bg = Some(bg);
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// self
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// }
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// }
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// #[cfg(feature = "term")]
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// impl Into<tui::style::Style> for Style {
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// fn into(self) -> tui::style::Style {
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// let style = tui::style::Style::default();
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// if let Some(fg) = self.fg {
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// style.fg(fg.into());
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// }
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// if let Some(bg) = self.bg {
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// style.bg(bg.into());
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// }
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// style
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// }
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// }
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/// Color theme for syntax highlighting.
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pub struct Theme {
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scopes: Vec<String>,
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mapping: HashMap<&'static str, Style>,
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}
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// let highlight_names: Vec<String> = [
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// "attribute",
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// "constant.builtin",
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// "constant",
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// "function.builtin",
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// "function.macro",
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// "function",
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// "keyword",
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// "operator",
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// "property",
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// "punctuation",
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// "comment",
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// "escape",
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// "label",
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// // "punctuation.bracket",
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// "punctuation.delimiter",
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// "string",
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// "string.special",
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// "tag",
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// "type",
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// "type.builtin",
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// "constructor",
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// "variable",
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// "variable.builtin",
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// "variable.parameter",
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// "path",
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// ];
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impl Default for Theme {
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fn default() -> Self {
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let mapping = hashmap! {
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"attribute" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
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"keyword" => Style::default().fg(Color::Rgb(236, 205, 186)), // almond
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"punctuation" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
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"punctuation.delimiter" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
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"operator" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
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"property" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
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"variable.parameter" => Style::default().fg(Color::Rgb(164, 160, 232)), // lavender
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// TODO distinguish type from type.builtin?
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"type" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"type.builtin" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"constructor" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
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"function" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"function.macro" => Style::default().fg(Color::Rgb(219, 191, 239)), // lilac
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"comment" => Style::default().fg(Color::Rgb(105, 124, 129)), // sirocco
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"variable.builtin" => Style::default().fg(Color::Rgb(159, 242, 143)), // mint
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"constant" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"constant.builtin" => Style::default().fg(Color::Rgb(255, 255, 255)), // white
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"string" => Style::default().fg(Color::Rgb(204, 204, 204)), // silver
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"escape" => Style::default().fg(Color::Rgb(239, 186, 93)), // honey
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// used for lifetimes
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"label" => Style::default().fg(Color::Rgb(239, 186, 93)), // honey
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// TODO: diferentiate number builtin
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// TODO: diferentiate doc comment
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// TODO: variable as lilac
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// TODO: mod/use statements as white
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// TODO: mod stuff as chamoise
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// TODO: add "(scoped_identifier) @path" for std::mem::
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//
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// concat (ERROR) @syntax-error and "MISSING ;" selectors for errors
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"module" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
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"variable" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
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"function.builtin" => Style::default().fg(Color::Rgb(255, 0, 0)), // white
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"ui.background" => Style::default().bg(Color::Rgb(59, 34, 76)), // midnight
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"ui.linenr" => Style::default().fg(Color::Rgb(90, 89, 119)), // comet
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"ui.statusline" => Style::default().bg(Color::Rgb(40, 23, 51)), // revolver
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"ui.popup" => Style::default().bg(Color::Rgb(40, 23, 51)), // revolver
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"warning" => Style::default().fg(Color::Rgb(255, 205, 28)),
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"error" => Style::default().fg(Color::Rgb(244, 120, 104)),
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"info" => Style::default().fg(Color::Rgb(111, 68, 240)),
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"hint" => Style::default().fg(Color::Rgb(204, 204, 204)),
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};
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let scopes = mapping.keys().map(ToString::to_string).collect();
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Self { mapping, scopes }
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}
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}
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impl Theme {
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pub fn get(&self, scope: &str) -> Style {
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self.mapping
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.get(scope)
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.copied()
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.unwrap_or_else(|| Style::default().fg(Color::Rgb(0, 0, 255)))
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}
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#[inline]
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pub fn scopes(&self) -> &[String] {
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&self.scopes
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}
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}
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