feat: new app:theme action that hot-reload user themes/flavors (#3906)

Author: sxyazi

CHANGELOG.md

@@ -18,6 +18,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/):
 - New `--in` for `search` action to set search directory ([#3696])
 - Hover cursor over the new file after copying/cutting/linking/hardlinking/extracting ([#3846], [#3854])
 - Multi-file spotter ([#3733])
+- New `app:theme` action that hot-reload user themes/flavors ([#3906])
 - Dynamic open/opener Lua API ([#3901])
 - Dynamic previewer Lua API ([#3891])
 - Vim-like `lua` action that runs an inline Lua snippet ([#3813])
@@ -1705,3 +1706,4 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/):
 [#3891]: https://github.com/sxyazi/yazi/pull/3891
 [#3894]: https://github.com/sxyazi/yazi/pull/3894
 [#3901]: https://github.com/sxyazi/yazi/pull/3901
+[#3906]: https://github.com/sxyazi/yazi/pull/3906

Cargo.lock

@@ -10,7 +10,7 @@ license      = "MIT"
 authors      = [ "sxyazi <sxyazi@gmail.com>" ]
 homepage     = "https://yazi-rs.github.io"
 repository   = "https://github.com/sxyazi/yazi"
-rust-version = "1.92.0"
+rust-version = "1.95.0"
 
 [profile.dev]
 debug = "line-tables-only"
@@ -63,7 +63,7 @@ percent-encoding    = "2.3.2"
 rand                = { version = "0.10.1", default-features = false, features = [ "std", "sys_rng" ] }
 ratatui             = { version = "0.30.0", features = [ "serde", "unstable-rendered-line-info", "unstable-widget-ref" ] }
 regex               = "1.12.3"
-russh               = { version = "0.60.0", default-features = false, features = [ "ring", "rsa" ] }
+russh               = { version = "0.60.1", default-features = false, features = [ "ring", "rsa" ] }
 scopeguard          = "1.2.0"
 serde               = { version = "1.0.228", features = [ "derive" ] }
 serde_json          = "1.0.149"

Cargo.toml

@@ -12,6 +12,7 @@ yazi_macro::mod_flat!(
 	resize
 	resume
 	stop
+	theme
 	title
 	update_progress
 );

flake.lock

@@ -0,0 +1,25 @@
+use anyhow::Result;
+use yazi_actor::Ctx;
+use yazi_config::{THEME, build_flavor};
+use yazi_emulator::EMULATOR;
+use yazi_macro::{render, succ};
+use yazi_parser::VoidForm;
+use yazi_shared::data::Data;
+use yazi_shim::serde::Overlay;
+
+use crate::Actor;
+
+pub struct Theme;
+
+impl Actor for Theme {
+	type Form = VoidForm;
+
+	const NAME: &str = "theme";
+
+	fn act(_cx: &mut Ctx, _: Self::Form) -> Result<Data> {
+		THEME.overlay(build_flavor(EMULATOR.light, true)?);
+		yazi_plugin::theme::reset()?;
+
+		succ!(render!());
+	}
+}

yazi-actor/src/app/mod.rs

@@ -2,7 +2,7 @@ use std::{ops::Deref, ptr};
 
 use mlua::{AnyUserData, IntoLua, UserData, UserDataFields, UserDataMethods, Value};
 use yazi_binding::{Range, Style, cached_field};
-use yazi_config::{Selectable, THEME};
+use yazi_config::THEME;
 use yazi_shared::{path::AsPath, url::UrlLike};
 
 use super::Lives;
@@ -111,7 +111,7 @@ impl UserData for File {
 		methods.add_method("style", |lua, me, ()| {
 			lua.named_registry_value::<AnyUserData>("cx")?.borrow_scoped(|core: &yazi_core::Core| {
 				let mime = core.mgr.mimetype.get(&me.url).unwrap_or_default();
-				THEME.filetype.iter().find(|&x| x.matches(me, mime)).map(|x| Style::from(x.style))
+				THEME.filetype.match_style(me, mime).map(Style::from)
 			})
 		});
 		methods.add_method("is_yanked", |lua, me, ()| {

yazi-actor/src/app/theme.rs

@@ -5,7 +5,7 @@ use mlua::{AnyUserData, UserData};
 use scopeguard::defer;
 use tracing::error;
 use yazi_plugin::LUA;
-use yazi_shared::RoCell;
+use yazi_shim::cell::RoCell;
 
 use super::{Core, PtrCell};
 

yazi-actor/src/lives/file.rs

@@ -38,7 +38,7 @@ impl UserData for Preference {
 	fn add_fields<F: UserDataFields<Self>>(fields: &mut F) {
 		// Display
 		cached_field!(fields, name, |lua, me| lua.create_string(&me.name));
-		cached_field!(fields, linemode, |lua, me| lua.create_string(&me.linemode));
+		cached_field!(fields, linemode, |lua, me| lua.create_string(&*me.linemode));
 		fields.add_field_method_get("show_hidden", |_, me| Ok(me.show_hidden));
 
 		// Sorting

yazi-actor/src/lives/lives.rs

@@ -15,8 +15,8 @@ impl Actor for Linemode {
 	fn act(cx: &mut Ctx, form: Self::Form) -> Result<Data> {
 		let tab = cx.tab_mut();
 
-		if form.new != tab.pref.linemode {
-			tab.pref.linemode = form.new.into_owned();
+		if form.new != *tab.pref.linemode {
+			tab.pref.linemode = form.new.into();
 			render!();
 		}