Use COSMIC syntax theme by default, derived from OneHalf

Cargo.lock

@@ -1016,6 +1016,7 @@ dependencies = [
 name = "cosmic-edit"
 version = "0.1.0"
 dependencies = [
+ "cosmic-syntax-theme",
  "cosmic-text",
  "env_logger",
  "fork",
@@ -1037,6 +1038,16 @@ dependencies = [
  "two-face",
 ]
 
+[[package]]
+name = "cosmic-syntax-theme"
+version = "0.1.0"
+source = "git+https://github.com/pop-os/cosmic-syntax-theme#ba0370a56a189e43acb20c38bb450ca8e3099c7d"
+dependencies = [
+ "handlebars",
+ "serde",
+ "toml 0.8.8",
+]
+
 [[package]]
 name = "cosmic-text"
 version = "0.10.0"
@@ -2428,6 +2439,20 @@ dependencies = [
  "crunchy",
 ]
 
+[[package]]
+name = "handlebars"
+version = "4.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "faa67bab9ff362228eb3d00bd024a4965d8231bbb7921167f0cfa66c6626b225"
+dependencies = [
+ "log",
+ "pest",
+ "pest_derive",
+ "serde",
+ "serde_json",
+ "thiserror",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -4132,6 +4157,51 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
+[[package]]
+name = "pest"
+version = "2.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae9cee2a55a544be8b89dc6848072af97a20f2422603c10865be2a42b580fff5"
+dependencies = [
+ "memchr",
+ "thiserror",
+ "ucd-trie",
+]
+
+[[package]]
+name = "pest_derive"
+version = "2.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81d78524685f5ef2a3b3bd1cafbc9fcabb036253d9b1463e726a91cd16e2dfc2"
+dependencies = [
+ "pest",
+ "pest_generator",
+]
+
+[[package]]
+name = "pest_generator"
+version = "2.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68bd1206e71118b5356dae5ddc61c8b11e28b09ef6a31acbd15ea48a28e0c227"
+dependencies = [
+ "pest",
+ "pest_meta",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.41",
+]
+
+[[package]]
+name = "pest_meta"
+version = "2.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c747191d4ad9e4a4ab9c8798f1e82a39affe7ef9648390b7e5548d18e099de6"
+dependencies = [
+ "once_cell",
+ "pest",
+ "sha2",
+]
+
 [[package]]
 name = "phf"
 version = "0.11.2"
@@ -5578,6 +5648,12 @@ version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
 
+[[package]]
+name = "ucd-trie"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed646292ffc8188ef8ea4d1e0e0150fb15a5c2e12ad9b8fc191ae7a8a7f3c4b9"
+
 [[package]]
 name = "uds_windows"
 version = "1.1.0"

Cargo.toml

@@ -25,6 +25,9 @@ i18n-embed = { version = "0.13.4", features = ["fluent-system", "desktop-request
 i18n-embed-fl = "0.6.4"
 rust-embed = "6.3.0"
 
+[dependencies.cosmic-syntax-theme]
+git = "https://github.com/pop-os/cosmic-syntax-theme"
+
 [dependencies.cosmic-text]
 git = "https://github.com/pop-os/cosmic-text"
 branch = "refactor"

src/config.rs

@@ -170,8 +170,8 @@ impl Default for Config {
             font_name: "Fira Mono".to_string(),
             font_size: 14,
             line_numbers: true,
-            syntax_theme_dark: "gruvbox-dark".to_string(),
+            syntax_theme_dark: "COSMIC Dark".to_string(),
-            syntax_theme_light: "gruvbox-light".to_string(),
+            syntax_theme_light: "COSMIC Light".to_string(),
             tab_width: 4,
             vim_bindings: false,
             word_wrap: false,

src/main.rs

@@ -19,7 +19,7 @@ use cosmic::{
 use cosmic_text::{Cursor, Edit, Family, FontSystem, Selection, SwashCache, SyntaxSystem, ViMode};
 use std::{
     any::TypeId,
-    env, fs,
+    env, fs, io,
     path::{Path, PathBuf},
     process,
     sync::Mutex,
@@ -66,10 +66,25 @@ lazy_static::lazy_static! {
     static ref SWASH_CACHE: Mutex<SwashCache> = Mutex::new(SwashCache::new());
     static ref SYNTAX_SYSTEM: SyntaxSystem = {
         let lazy_theme_set = two_face::theme::LazyThemeSet::from(two_face::theme::extra());
+        let mut theme_set = syntect::highlighting::ThemeSet::from(&lazy_theme_set);
+        for (theme_name, theme_data) in &[
+            ("COSMIC Dark", cosmic_syntax_theme::COSMIC_DARK_TM_THEME),
+            ("COSMIC Light", cosmic_syntax_theme::COSMIC_LIGHT_TM_THEME)
+        ] {
+            let mut cursor = io::Cursor::new(theme_data);
+            match syntect::highlighting::ThemeSet::load_from_reader(&mut cursor) {
+                Ok(theme) => {
+                    theme_set.themes.insert(theme_name.to_string(), theme);
+                }
+                Err(err) => {
+                    eprintln!("failed to load {:?} syntax theme: {}", theme_name, err);
+                }
+            }
+        }
         SyntaxSystem {
             //TODO: store newlines in buffer
             syntax_set: two_face::syntax::extra_no_newlines(),
-            theme_set: syntect::highlighting::ThemeSet::from(&lazy_theme_set),
+            theme_set,
         }
     };
 }