mirror of
https://github.com/zed-industries/zed.git
synced 2024-09-16 00:47:39 +03:00
Move remaining theme-related code and tests from settings mod to theme mod
This commit is contained in:
Nathan Sobo
parent
90b51c3356
commit
5761756fb4
@ -1,20 +1,10 @@
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use anyhow::{anyhow, Context, Result};
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use gpui::{
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color::Color,
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font_cache::{FamilyId, FontCache},
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fonts::{Properties as FontProperties, Style as FontStyle, Weight as FontWeight},
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AssetSource,
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};
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use parking_lot::Mutex;
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use postage::watch;
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use serde::{de::value::MapDeserializer, Deserialize};
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use serde_json::Value;
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use std::{collections::HashMap, sync::Arc};
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use crate::theme;
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pub use theme::Theme;
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use anyhow::Result;
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use gpui::font_cache::{FamilyId, FontCache};
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use postage::watch;
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use std::sync::Arc;
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const DEFAULT_STYLE_ID: StyleId = StyleId(u32::MAX);
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pub use theme::{StyleId, Theme, ThemeMap, ThemeRegistry};
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#[derive(Clone)]
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pub struct Settings {
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@ -26,32 +16,6 @@ pub struct Settings {
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pub theme: Arc<Theme>,
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}
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pub struct ThemeRegistry {
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assets: Box<dyn AssetSource>,
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themes: Mutex<HashMap<String, Arc<Theme>>>,
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theme_data: Mutex<HashMap<String, Arc<ThemeToml>>>,
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}
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#[derive(Deserialize)]
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struct ThemeToml {
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#[serde(default)]
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extends: Option<String>,
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#[serde(default)]
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variables: HashMap<String, Value>,
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#[serde(default)]
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ui: HashMap<String, Value>,
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#[serde(default)]
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editor: HashMap<String, Value>,
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#[serde(default)]
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syntax: HashMap<String, Value>,
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}
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#[derive(Clone, Debug)]
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pub struct ThemeMap(Arc<[StyleId]>);
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#[derive(Clone, Copy, Debug)]
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pub struct StyleId(u32);
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impl Settings {
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pub fn new(font_cache: &FontCache) -> Result<Self> {
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Self::new_with_theme(font_cache, Arc::new(Theme::default()))
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@ -74,182 +38,6 @@ impl Settings {
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}
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}
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impl ThemeRegistry {
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pub fn new(source: impl AssetSource) -> Arc<Self> {
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Arc::new(Self {
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assets: Box::new(source),
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themes: Default::default(),
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theme_data: Default::default(),
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})
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}
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pub fn list(&self) -> impl Iterator<Item = String> {
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self.assets.list("themes/").into_iter().filter_map(|path| {
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let filename = path.strip_prefix("themes/")?;
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let theme_name = filename.strip_suffix(".toml")?;
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if theme_name.starts_with('_') {
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None
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} else {
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Some(theme_name.to_string())
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}
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})
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}
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pub fn get(&self, name: &str) -> Result<Arc<Theme>> {
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if let Some(theme) = self.themes.lock().get(name) {
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return Ok(theme.clone());
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}
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let theme_toml = self.load(name)?;
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let mut syntax = Vec::<(String, Color, FontProperties)>::new();
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for (key, style) in theme_toml.syntax.iter() {
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let mut color = Color::default();
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let mut properties = FontProperties::new();
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match style {
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Value::Object(object) => {
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if let Some(value) = object.get("color") {
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color = serde_json::from_value(value.clone())?;
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}
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if let Some(Value::Bool(true)) = object.get("italic") {
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properties.style = FontStyle::Italic;
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}
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properties.weight = deserialize_weight(object.get("weight"))?;
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}
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_ => {
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color = serde_json::from_value(style.clone())?;
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}
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}
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match syntax.binary_search_by_key(&key, |e| &e.0) {
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Ok(i) | Err(i) => {
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syntax.insert(i, (key.to_string(), color, properties));
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}
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}
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}
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let theme = Arc::new(Theme {
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ui: theme::Ui::deserialize(MapDeserializer::new(theme_toml.ui.clone().into_iter()))?,
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editor: theme::Editor::deserialize(MapDeserializer::new(
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theme_toml.editor.clone().into_iter(),
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))?,
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syntax,
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});
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self.themes.lock().insert(name.to_string(), theme.clone());
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Ok(theme)
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}
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fn load(&self, name: &str) -> Result<Arc<ThemeToml>> {
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if let Some(data) = self.theme_data.lock().get(name) {
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return Ok(data.clone());
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}
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let asset_path = format!("themes/{}.toml", name);
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let source_code = self
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.assets
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.load(&asset_path)
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.with_context(|| format!("failed to load theme file {}", asset_path))?;
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let mut theme_toml: ThemeToml = toml::from_slice(source_code.as_ref())
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.with_context(|| format!("failed to parse {}.toml", name))?;
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// If this theme extends another base theme, merge in the raw data from the base theme.
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if let Some(base_name) = theme_toml.extends.as_ref() {
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let base_theme_toml = self
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.load(base_name)
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.with_context(|| format!("failed to load base theme {}", base_name))?;
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merge_map(&mut theme_toml.ui, &base_theme_toml.ui);
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merge_map(&mut theme_toml.editor, &base_theme_toml.editor);
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merge_map(&mut theme_toml.syntax, &base_theme_toml.syntax);
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merge_map(&mut theme_toml.variables, &base_theme_toml.variables);
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}
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// Substitute any variable references for their definitions.
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let values = theme_toml
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.ui
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.values_mut()
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.chain(theme_toml.editor.values_mut())
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.chain(theme_toml.syntax.values_mut());
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let mut name_stack = Vec::new();
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for value in values {
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name_stack.clear();
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evaluate_variables(value, &theme_toml.variables, &mut name_stack)?;
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}
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let result = Arc::new(theme_toml);
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self.theme_data
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.lock()
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.insert(name.to_string(), result.clone());
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Ok(result)
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}
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}
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impl Theme {
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pub fn syntax_style(&self, id: StyleId) -> (Color, FontProperties) {
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self.syntax
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.get(id.0 as usize)
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.map_or((self.editor.text, FontProperties::new()), |entry| {
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(entry.1, entry.2)
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})
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}
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#[cfg(test)]
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pub fn syntax_style_name(&self, id: StyleId) -> Option<&str> {
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self.syntax.get(id.0 as usize).map(|e| e.0.as_str())
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}
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}
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impl ThemeMap {
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pub fn new(capture_names: &[String], theme: &Theme) -> Self {
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// For each capture name in the highlight query, find the longest
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// key in the theme's syntax styles that matches all of the
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// dot-separated components of the capture name.
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ThemeMap(
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capture_names
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.iter()
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.map(|capture_name| {
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theme
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.syntax
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.iter()
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.enumerate()
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.filter_map(|(i, (key, _, _))| {
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let mut len = 0;
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let capture_parts = capture_name.split('.');
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for key_part in key.split('.') {
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if capture_parts.clone().any(|part| part == key_part) {
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len += 1;
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} else {
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return None;
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}
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}
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Some((i, len))
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})
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.max_by_key(|(_, len)| *len)
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.map_or(DEFAULT_STYLE_ID, |(i, _)| StyleId(i as u32))
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})
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.collect(),
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)
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}
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pub fn get(&self, capture_id: u32) -> StyleId {
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self.0
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.get(capture_id as usize)
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.copied()
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.unwrap_or(DEFAULT_STYLE_ID)
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}
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}
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impl Default for ThemeMap {
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fn default() -> Self {
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Self(Arc::new([]))
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}
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}
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impl Default for StyleId {
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fn default() -> Self {
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DEFAULT_STYLE_ID
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}
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}
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pub fn channel(
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font_cache: &FontCache,
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) -> Result<(watch::Sender<Settings>, watch::Receiver<Settings>)> {
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@ -265,264 +53,3 @@ pub fn channel_with_themes(
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themes.get("dark").expect("failed to load default theme"),
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)?))
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}
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fn deserialize_weight(weight: Option<&Value>) -> Result<FontWeight> {
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match weight {
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None => return Ok(FontWeight::NORMAL),
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Some(Value::Number(number)) => {
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if let Some(weight) = number.as_f64() {
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return Ok(FontWeight(weight as f32));
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}
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}
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Some(Value::String(s)) => match s.as_str() {
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"normal" => return Ok(FontWeight::NORMAL),
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"bold" => return Ok(FontWeight::BOLD),
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"light" => return Ok(FontWeight::LIGHT),
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"semibold" => return Ok(FontWeight::SEMIBOLD),
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_ => {}
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},
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_ => {}
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}
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Err(anyhow!("Invalid weight {}", weight.unwrap()))
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}
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fn evaluate_variables(
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expr: &mut Value,
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variables: &HashMap<String, Value>,
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stack: &mut Vec<String>,
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) -> Result<()> {
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match expr {
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Value::String(s) => {
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if let Some(name) = s.strip_prefix("$") {
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if stack.iter().any(|e| e == name) {
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Err(anyhow!("variable {} is defined recursively", name))?;
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}
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if validate_variable_name(name) {
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stack.push(name.to_string());
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if let Some(definition) = variables.get(name).cloned() {
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*expr = definition;
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evaluate_variables(expr, variables, stack)?;
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}
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stack.pop();
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}
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}
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}
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Value::Array(a) => {
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for value in a.iter_mut() {
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evaluate_variables(value, variables, stack)?;
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}
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}
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Value::Object(object) => {
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for value in object.values_mut() {
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evaluate_variables(value, variables, stack)?;
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}
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}
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_ => {}
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}
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Ok(())
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}
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fn validate_variable_name(name: &str) -> bool {
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let mut chars = name.chars();
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if let Some(first) = chars.next() {
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if first.is_alphabetic() || first == '_' {
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if chars.all(|c| c.is_alphanumeric() || c == '_') {
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return true;
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}
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}
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}
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false
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}
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fn merge_map(left: &mut HashMap<String, Value>, right: &HashMap<String, Value>) {
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for (name, value) in right {
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if !left.contains_key(name) {
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left.insert(name.clone(), value.clone());
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_parse_simple_theme() {
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let assets = TestAssets(&[(
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"themes/my-theme.toml",
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r#"
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[ui.tab.active]
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background = 0x100000
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[editor]
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background = 0x00ed00
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line_number = 0xdddddd
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[syntax]
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"beta.two" = 0xAABBCC
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"alpha.one" = {color = 0x112233, weight = "bold"}
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"gamma.three" = {weight = "light", italic = true}
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"#,
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)]);
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let registry = ThemeRegistry::new(assets);
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let theme = registry.get("my-theme").unwrap();
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assert_eq!(
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theme.ui.active_tab.container.background_color,
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Some(Color::from_u32(0x100000ff))
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);
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assert_eq!(theme.editor.background, Color::from_u32(0x00ed00ff));
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assert_eq!(theme.editor.line_number, Color::from_u32(0xddddddff));
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assert_eq!(
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theme.syntax,
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&[
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(
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"alpha.one".to_string(),
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Color::from_u32(0x112233ff),
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*FontProperties::new().weight(FontWeight::BOLD)
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),
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(
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"beta.two".to_string(),
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Color::from_u32(0xaabbccff),
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*FontProperties::new().weight(FontWeight::NORMAL)
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),
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(
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"gamma.three".to_string(),
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Color::from_u32(0x00000000),
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*FontProperties::new()
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.weight(FontWeight::LIGHT)
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.style(FontStyle::Italic),
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),
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]
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);
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}
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#[test]
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fn test_parse_extended_theme() {
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let assets = TestAssets(&[
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(
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"themes/_base.toml",
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r#"
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abstract = true
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[ui.tab]
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background = 0x111111
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text = "$variable_1"
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[editor]
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background = 0x222222
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default_text = "$variable_2"
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"#,
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),
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(
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"themes/light.toml",
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r#"
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extends = "_base"
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[variables]
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variable_1 = 0x333333
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variable_2 = 0x444444
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[ui.tab]
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background = 0x555555
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[editor]
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background = 0x666666
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"#,
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),
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(
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"themes/dark.toml",
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r#"
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extends = "_base"
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[variables]
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variable_1 = 0x555555
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variable_2 = 0x666666
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"#,
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),
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]);
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let registry = ThemeRegistry::new(assets);
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let theme = registry.get("light").unwrap();
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assert_eq!(
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theme.ui.tab.container.background_color,
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Some(Color::from_u32(0x555555ff))
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);
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assert_eq!(theme.ui.tab.label.color, Color::from_u32(0x333333ff));
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assert_eq!(theme.editor.background, Color::from_u32(0x666666ff));
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assert_eq!(theme.editor.text, Color::from_u32(0x444444ff));
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assert_eq!(
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registry.list().collect::<Vec<_>>(),
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&["light".to_string(), "dark".to_string()]
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);
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}
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|
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#[test]
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fn test_parse_empty_theme() {
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let assets = TestAssets(&[("themes/my-theme.toml", "")]);
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let registry = ThemeRegistry::new(assets);
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registry.get("my-theme").unwrap();
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}
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|
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#[test]
|
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fn test_theme_map() {
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let theme = Theme {
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ui: Default::default(),
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editor: Default::default(),
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syntax: [
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("function", Color::from_u32(0x100000ff)),
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("function.method", Color::from_u32(0x200000ff)),
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("function.async", Color::from_u32(0x300000ff)),
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("variable.builtin.self.rust", Color::from_u32(0x400000ff)),
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("variable.builtin", Color::from_u32(0x500000ff)),
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("variable", Color::from_u32(0x600000ff)),
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]
|
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.iter()
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.map(|e| (e.0.to_string(), e.1, FontProperties::new()))
|
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.collect(),
|
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};
|
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|
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let capture_names = &[
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"function.special".to_string(),
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"function.async.rust".to_string(),
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"variable.builtin.self".to_string(),
|
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];
|
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|
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let map = ThemeMap::new(capture_names, &theme);
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assert_eq!(theme.syntax_style_name(map.get(0)), Some("function"));
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assert_eq!(theme.syntax_style_name(map.get(1)), Some("function.async"));
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assert_eq!(
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theme.syntax_style_name(map.get(2)),
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Some("variable.builtin")
|
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);
|
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}
|
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|
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struct TestAssets(&'static [(&'static str, &'static str)]);
|
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|
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impl AssetSource for TestAssets {
|
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fn load(&self, path: &str) -> Result<std::borrow::Cow<[u8]>> {
|
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if let Some(row) = self.0.iter().find(|e| e.0 == path) {
|
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Ok(row.1.as_bytes().into())
|
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} else {
|
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Err(anyhow!("no such path {}", path))
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}
|
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}
|
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|
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fn list(&self, prefix: &str) -> Vec<std::borrow::Cow<'static, str>> {
|
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self.0
|
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.iter()
|
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.copied()
|
||||
.filter_map(|(path, _)| {
|
||||
if path.starts_with(prefix) {
|
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Some(path.into())
|
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} else {
|
||||
None
|
||||
}
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
261
zed/src/theme.rs
261
zed/src/theme.rs
@ -11,12 +11,20 @@ use serde::{de, Deserialize, Deserializer};
|
||||
use serde_json as json;
|
||||
use std::{cmp::Ordering, collections::HashMap, sync::Arc};
|
||||
|
||||
const DEFAULT_STYLE_ID: StyleId = StyleId(u32::MAX);
|
||||
|
||||
pub struct ThemeRegistry {
|
||||
assets: Box<dyn AssetSource>,
|
||||
themes: Mutex<HashMap<String, Arc<Theme>>>,
|
||||
theme_data: Mutex<HashMap<String, Arc<Value>>>,
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct ThemeMap(Arc<[StyleId]>);
|
||||
|
||||
#[derive(Clone, Copy, Debug)]
|
||||
pub struct StyleId(u32);
|
||||
|
||||
#[derive(Debug, Default, Deserialize)]
|
||||
pub struct Theme {
|
||||
pub ui: Ui,
|
||||
@ -204,6 +212,73 @@ impl ThemeRegistry {
|
||||
}
|
||||
}
|
||||
|
||||
impl Theme {
|
||||
pub fn syntax_style(&self, id: StyleId) -> (Color, FontProperties) {
|
||||
self.syntax
|
||||
.get(id.0 as usize)
|
||||
.map_or((self.editor.text, FontProperties::new()), |entry| {
|
||||
(entry.1, entry.2)
|
||||
})
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
pub fn syntax_style_name(&self, id: StyleId) -> Option<&str> {
|
||||
self.syntax.get(id.0 as usize).map(|e| e.0.as_str())
|
||||
}
|
||||
}
|
||||
|
||||
impl ThemeMap {
|
||||
pub fn new(capture_names: &[String], theme: &Theme) -> Self {
|
||||
// For each capture name in the highlight query, find the longest
|
||||
// key in the theme's syntax styles that matches all of the
|
||||
// dot-separated components of the capture name.
|
||||
ThemeMap(
|
||||
capture_names
|
||||
.iter()
|
||||
.map(|capture_name| {
|
||||
theme
|
||||
.syntax
|
||||
.iter()
|
||||
.enumerate()
|
||||
.filter_map(|(i, (key, _, _))| {
|
||||
let mut len = 0;
|
||||
let capture_parts = capture_name.split('.');
|
||||
for key_part in key.split('.') {
|
||||
if capture_parts.clone().any(|part| part == key_part) {
|
||||
len += 1;
|
||||
} else {
|
||||
return None;
|
||||
}
|
||||
}
|
||||
Some((i, len))
|
||||
})
|
||||
.max_by_key(|(_, len)| *len)
|
||||
.map_or(DEFAULT_STYLE_ID, |(i, _)| StyleId(i as u32))
|
||||
})
|
||||
.collect(),
|
||||
)
|
||||
}
|
||||
|
||||
pub fn get(&self, capture_id: u32) -> StyleId {
|
||||
self.0
|
||||
.get(capture_id as usize)
|
||||
.copied()
|
||||
.unwrap_or(DEFAULT_STYLE_ID)
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for ThemeMap {
|
||||
fn default() -> Self {
|
||||
Self(Arc::new([]))
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for StyleId {
|
||||
fn default() -> Self {
|
||||
DEFAULT_STYLE_ID
|
||||
}
|
||||
}
|
||||
|
||||
fn deep_merge_json(base: &mut Map<String, Value>, extension: Map<String, Value>) {
|
||||
for (key, extension_value) in extension {
|
||||
if let Value::Object(extension_object) = extension_value {
|
||||
@ -384,3 +459,189 @@ where
|
||||
|
||||
Ok(result)
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use gpui::fonts::{Properties as FontProperties, Style as FontStyle, Weight as FontWeight};
|
||||
|
||||
#[test]
|
||||
fn test_parse_simple_theme() {
|
||||
let assets = TestAssets(&[(
|
||||
"themes/my-theme.toml",
|
||||
r#"
|
||||
[ui.tab.active]
|
||||
background = 0x100000
|
||||
|
||||
[editor]
|
||||
background = 0x00ed00
|
||||
line_number = 0xdddddd
|
||||
|
||||
[syntax]
|
||||
"beta.two" = 0xAABBCC
|
||||
"alpha.one" = {color = 0x112233, weight = "bold"}
|
||||
"gamma.three" = {weight = "light", italic = true}
|
||||
"#,
|
||||
)]);
|
||||
|
||||
let registry = ThemeRegistry::new(assets);
|
||||
let theme = registry.get("my-theme").unwrap();
|
||||
|
||||
assert_eq!(
|
||||
theme.ui.active_tab.container.background_color,
|
||||
Some(Color::from_u32(0x100000ff))
|
||||
);
|
||||
assert_eq!(theme.editor.background, Color::from_u32(0x00ed00ff));
|
||||
assert_eq!(theme.editor.line_number, Color::from_u32(0xddddddff));
|
||||
assert_eq!(
|
||||
theme.syntax,
|
||||
&[
|
||||
(
|
||||
"alpha.one".to_string(),
|
||||
Color::from_u32(0x112233ff),
|
||||
*FontProperties::new().weight(FontWeight::BOLD)
|
||||
),
|
||||
(
|
||||
"beta.two".to_string(),
|
||||
Color::from_u32(0xaabbccff),
|
||||
*FontProperties::new().weight(FontWeight::NORMAL)
|
||||
),
|
||||
(
|
||||
"gamma.three".to_string(),
|
||||
Color::from_u32(0x00000000),
|
||||
*FontProperties::new()
|
||||
.weight(FontWeight::LIGHT)
|
||||
.style(FontStyle::Italic),
|
||||
),
|
||||
]
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_extended_theme() {
|
||||
let assets = TestAssets(&[
|
||||
(
|
||||
"themes/_base.toml",
|
||||
r#"
|
||||
abstract = true
|
||||
|
||||
[ui.tab]
|
||||
background = 0x111111
|
||||
text = "$variable_1"
|
||||
|
||||
[editor]
|
||||
background = 0x222222
|
||||
default_text = "$variable_2"
|
||||
"#,
|
||||
),
|
||||
(
|
||||
"themes/light.toml",
|
||||
r#"
|
||||
extends = "_base"
|
||||
|
||||
[variables]
|
||||
variable_1 = 0x333333
|
||||
variable_2 = 0x444444
|
||||
|
||||
[ui.tab]
|
||||
background = 0x555555
|
||||
|
||||
[editor]
|
||||
background = 0x666666
|
||||
"#,
|
||||
),
|
||||
(
|
||||
"themes/dark.toml",
|
||||
r#"
|
||||
extends = "_base"
|
||||
|
||||
[variables]
|
||||
variable_1 = 0x555555
|
||||
variable_2 = 0x666666
|
||||
"#,
|
||||
),
|
||||
]);
|
||||
|
||||
let registry = ThemeRegistry::new(assets);
|
||||
let theme = registry.get("light").unwrap();
|
||||
|
||||
assert_eq!(
|
||||
theme.ui.tab.container.background_color,
|
||||
Some(Color::from_u32(0x555555ff))
|
||||
);
|
||||
assert_eq!(theme.ui.tab.label.color, Color::from_u32(0x333333ff));
|
||||
assert_eq!(theme.editor.background, Color::from_u32(0x666666ff));
|
||||
assert_eq!(theme.editor.text, Color::from_u32(0x444444ff));
|
||||
|
||||
assert_eq!(
|
||||
registry.list().collect::<Vec<_>>(),
|
||||
&["light".to_string(), "dark".to_string()]
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_empty_theme() {
|
||||
let assets = TestAssets(&[("themes/my-theme.toml", "")]);
|
||||
let registry = ThemeRegistry::new(assets);
|
||||
registry.get("my-theme").unwrap();
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_theme_map() {
|
||||
let theme = Theme {
|
||||
ui: Default::default(),
|
||||
editor: Default::default(),
|
||||
syntax: [
|
||||
("function", Color::from_u32(0x100000ff)),
|
||||
("function.method", Color::from_u32(0x200000ff)),
|
||||
("function.async", Color::from_u32(0x300000ff)),
|
||||
("variable.builtin.self.rust", Color::from_u32(0x400000ff)),
|
||||
("variable.builtin", Color::from_u32(0x500000ff)),
|
||||
("variable", Color::from_u32(0x600000ff)),
|
||||
]
|
||||
.iter()
|
||||
.map(|e| (e.0.to_string(), e.1, FontProperties::new()))
|
||||
.collect(),
|
||||
};
|
||||
|
||||
let capture_names = &[
|
||||
"function.special".to_string(),
|
||||
"function.async.rust".to_string(),
|
||||
"variable.builtin.self".to_string(),
|
||||
];
|
||||
|
||||
let map = ThemeMap::new(capture_names, &theme);
|
||||
assert_eq!(theme.syntax_style_name(map.get(0)), Some("function"));
|
||||
assert_eq!(theme.syntax_style_name(map.get(1)), Some("function.async"));
|
||||
assert_eq!(
|
||||
theme.syntax_style_name(map.get(2)),
|
||||
Some("variable.builtin")
|
||||
);
|
||||
}
|
||||
|
||||
struct TestAssets(&'static [(&'static str, &'static str)]);
|
||||
|
||||
impl AssetSource for TestAssets {
|
||||
fn load(&self, path: &str) -> Result<std::borrow::Cow<[u8]>> {
|
||||
if let Some(row) = self.0.iter().find(|e| e.0 == path) {
|
||||
Ok(row.1.as_bytes().into())
|
||||
} else {
|
||||
Err(anyhow!("no such path {}", path))
|
||||
}
|
||||
}
|
||||
|
||||
fn list(&self, prefix: &str) -> Vec<std::borrow::Cow<'static, str>> {
|
||||
self.0
|
||||
.iter()
|
||||
.copied()
|
||||
.filter_map(|(path, _)| {
|
||||
if path.starts_with(prefix) {
|
||||
Some(path.into())
|
||||
} else {
|
||||
None
|
||||
}
|
||||
})
|
||||
.collect()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user