..

app/src/app.rs

@@ -76,7 +76,9 @@ impl App {
 	fn dispatch_render(&mut self) {
 		if let Some(term) = &mut self.term {
 			let _ = term.draw(|f| {
-				f.render_widget(Root::new(&self.cx), f.size());
+				plugin::scope(&self.cx, || {
+					f.render_widget(Root::new(&self.cx), f.size());
+				});
 
 				if let Some((x, y)) = self.cx.cursor() {
 					f.set_cursor(x, y);

app/src/manager/folder.rs

@@ -41,7 +41,7 @@ impl<'a> Folder<'a> {
 
 impl<'a> Widget for Folder<'a> {
 	fn render(self, area: Rect, buf: &mut Buffer) {
-		let x = plugin::Folder { kind: self.kind as u8 }.render(self.cx, area);
+		let x = plugin::Folder { kind: self.kind as u8 }.render(area);
 		if x.is_err() {
 			info!("{:?}", x);
 			return;

app/src/status/layout.rs

@@ -13,7 +13,7 @@ impl<'a> Layout<'a> {
 
 impl<'a> Widget for Layout<'a> {
 	fn render(self, area: Rect, buf: &mut Buffer) {
-		let x = plugin::Status::render(self.cx, area);
+		let x = plugin::Status::render(area);
 		if x.is_err() {
 			info!("{:?}", x);
 			return;

cspell.json

@@ -1 +1 @@
-{"language":"en","flagWords":[],"words":["Punct","KEYMAP","splitn","crossterm","YAZI","unar","peekable","ratatui","syntect","pbpaste","pbcopy","ffmpegthumbnailer","oneshot","Posix","Lsar","XADDOS","zoxide","cands","Deque","precache","imageops","IFBLK","IFCHR","IFDIR","IFIFO","IFLNK","IFMT","IFSOCK","IRGRP","IROTH","IRUSR","ISGID","ISUID","ISVTX","IWGRP","IWOTH","IWUSR","IXGRP","IXOTH","IXUSR","libc","winsize","TIOCGWINSZ","xpixel","ypixel","ioerr","appender","Catppuccin","macchiato","gitmodules","Dotfiles","bashprofile","vimrc","flac","webp","exiftool","mediainfo","ripgrep","nvim","indexmap","indexmap","unwatch","canonicalize","serde","fsevent","Ueberzug","iterm","wezterm","sixel","chafa","ueberzugpp","️ Überzug","️ Überzug","Konsole","Alacritty","Überzug","pkgs","paru","unarchiver","pdftoppm","poppler","prebuild","singlefile","jpegopt","EXIF","rustfmt","mktemp","nanos","xclip","xsel","natord","Mintty","nixos","nixpkgs","SIGTSTP","SIGCONT","SIGCONT","mlua","nonstatic","userdata","metatable"],"version":"0.2"}
+{"language":"en","version":"0.2","flagWords":[],"words":["Punct","KEYMAP","splitn","crossterm","YAZI","unar","peekable","ratatui","syntect","pbpaste","pbcopy","ffmpegthumbnailer","oneshot","Posix","Lsar","XADDOS","zoxide","cands","Deque","precache","imageops","IFBLK","IFCHR","IFDIR","IFIFO","IFLNK","IFMT","IFSOCK","IRGRP","IROTH","IRUSR","ISGID","ISUID","ISVTX","IWGRP","IWOTH","IWUSR","IXGRP","IXOTH","IXUSR","libc","winsize","TIOCGWINSZ","xpixel","ypixel","ioerr","appender","Catppuccin","macchiato","gitmodules","Dotfiles","bashprofile","vimrc","flac","webp","exiftool","mediainfo","ripgrep","nvim","indexmap","indexmap","unwatch","canonicalize","serde","fsevent","Ueberzug","iterm","wezterm","sixel","chafa","ueberzugpp","️ Überzug","️ Überzug","Konsole","Alacritty","Überzug","pkgs","paru","unarchiver","pdftoppm","poppler","prebuild","singlefile","jpegopt","EXIF","rustfmt","mktemp","nanos","xclip","xsel","natord","Mintty","nixos","nixpkgs","SIGTSTP","SIGCONT","SIGCONT","mlua","nonstatic","userdata","metatable","natsort"]}

plugin/preset/components/folder.lua

@@ -16,17 +16,9 @@ function Folder:by_kind(kind)
 	end
 end
 
-function Folder:window(kind)
-	local folder = self:by_kind(kind)
-	if folder ~= nil then
-		return folder.files:slice(folder.offset, MANAGER.layout.folder_height())
-	end
-end
+function Folder:window(kind) return (self:by_kind(kind) or {}).window end
 
-function Folder:hovered(kind)
-	local folder = self:by_kind(kind)
-	return folder and folder.hovered
-end
+function Folder:hovered(kind) return (self:by_kind(kind) or {}).hovered end
 
 function Folder:parent(area)
 	local window = self:window(self.Kind.Parent)

plugin/src/bindings/manager.rs

@@ -1,12 +1,31 @@
-use config::THEME;
-use mlua::{AnyUserData, Function, IntoLua, MetaMethod, UserDataFields, UserDataMethods, Value};
+use config::{MANAGER, THEME};
+use mlua::{AnyUserData, Function, IntoLua, MetaMethod, UserData, UserDataFields, UserDataMethods, Value};
 
 use super::Url;
 use crate::{layout::Style, LUA};
 
-pub struct Manager;
+struct File(core::files::File);
 
-impl Manager {
+impl From<&core::files::File> for File {
+	fn from(value: &core::files::File) -> Self { Self(value.clone()) }
+}
+
+impl UserData for File {
+	fn add_fields<'lua, F: UserDataFields<'lua, Self>>(fields: &mut F) {
+		fields.add_field_method_get("url", |_, me| Ok(Url::from(me.0.url())));
+		fields.add_field_method_get("length", |_, me| Ok(me.0.length()));
+		fields.add_field_method_get("link_to", |_, me| Ok(me.0.link_to().map(Url::from)));
+		fields.add_field_method_get("is_link", |_, me| Ok(me.0.is_link()));
+		fields.add_field_method_get("is_hidden", |_, me| Ok(me.0.is_hidden()));
+	}
+}
+
+pub struct Manager<'a, 'b> {
+	scope: &'b mlua::Scope<'a, 'a>,
+	inner: &'a core::manager::Manager,
+}
+
+impl<'a, 'b> Manager<'a, 'b> {
 	pub(crate) fn init() -> mlua::Result<()> {
 		LUA.register_userdata_type::<core::manager::Manager>(|reg| {
 			reg.add_field_function_get("mode", |_, me| me.named_user_value::<AnyUserData>("mode"));
@@ -29,6 +48,7 @@ impl Manager {
 			reg.add_field_method_get("offset", |_, me| Ok(me.offset()));
 			reg.add_field_method_get("cursor", |_, me| Ok(me.cursor()));
 
+			reg.add_field_function_get("window", |_, me| me.named_user_value::<Value>("window"));
 			reg.add_field_function_get("files", |_, me| me.named_user_value::<AnyUserData>("files"));
 			reg.add_field_function_get("hovered", |_, me| me.named_user_value::<Value>("hovered"));
 		})?;
@@ -38,22 +58,20 @@ impl Manager {
 
 			reg.add_meta_function(MetaMethod::Pairs, |lua, me: AnyUserData| {
 				let iter = lua.create_function(|lua, (me, i): (AnyUserData, usize)| {
-					let items: Vec<AnyUserData> = me.named_user_value("items")?;
-
+					let files = me.borrow::<core::files::Files>()?;
 					let i = i + 1;
-					Ok(if i > items.len() {
+					Ok(if i > files.len() {
 						mlua::Variadic::new()
 					} else {
-						let item = items[i - 1].clone().into_lua(lua)?;
-						mlua::Variadic::from_iter([i.into_lua(lua)?, item])
+						mlua::Variadic::from_iter([i.into_lua(lua)?, File::from(&files[i - 1]).into_lua(lua)?])
 					})
 				})?;
 				Ok((iter, me, 0))
 			});
 
 			reg.add_function("slice", |_, (me, skip, take): (AnyUserData, usize, usize)| {
-				let items = me.named_user_value::<Vec<AnyUserData>>("items")?;
-				Ok(items.iter().skip(skip).take(take).cloned().collect::<Vec<_>>())
+				let files = me.borrow::<core::files::Files>()?;
+				Ok(files.iter().skip(skip).take(take).map(File::from).collect::<Vec<_>>())
 			});
 		})?;
 
@@ -87,61 +105,56 @@ impl Manager {
 		Ok(())
 	}
 
-	pub(crate) fn make<'a>(
-		scope: &mlua::Scope<'a, 'a>,
-		inner: &'a core::manager::Manager,
-	) -> mlua::Result<AnyUserData<'a>> {
-		let ud = scope.create_any_userdata_ref(inner)?;
-		ud.set_named_user_value("mode", scope.create_any_userdata_ref(inner.active().mode())?)?;
-		ud.set_named_user_value(
-			"parent",
-			inner.parent().and_then(|p| Self::folder(scope, inner, p).ok()),
-		)?;
-		ud.set_named_user_value("current", Self::folder(scope, inner, inner.current())?)?;
-		ud.set_named_user_value("preview", Self::preview(scope, inner, inner.active())?)?;
-
-		Ok(ud)
+	pub(crate) fn new(scope: &'b mlua::Scope<'a, 'a>, inner: &'a core::manager::Manager) -> Self {
+		Self { scope, inner }
 	}
 
-	pub(crate) fn folder<'a>(
-		scope: &mlua::Scope<'a, 'a>,
-		manager: &'a core::manager::Manager,
-		inner: &'a core::manager::Folder,
-	) -> mlua::Result<AnyUserData<'a>> {
-		let ud = scope.create_any_userdata_ref(inner)?;
-		ud.set_named_user_value("files", Self::files(scope, manager, &inner.files)?)?;
+	pub(crate) fn make(&self) -> mlua::Result<AnyUserData<'a>> {
+		let ud = self.scope.create_any_userdata_ref(self.inner)?;
 		ud.set_named_user_value(
-			"hovered",
-			inner.hovered.as_ref().and_then(|h| Self::file(scope, manager, h).ok()),
+			"mode",
+			self.scope.create_any_userdata_ref(self.inner.active().mode())?,
 		)?;
+		ud.set_named_user_value("parent", self.inner.parent().and_then(|p| self.folder(p, None).ok()))?;
+		ud.set_named_user_value("current", self.folder(self.inner.current(), None)?)?;
+		ud.set_named_user_value("preview", self.preview(self.inner.active())?)?;
 
 		Ok(ud)
 	}
 
-	fn files<'a>(
-		scope: &mlua::Scope<'a, 'a>,
-		manager: &'a core::manager::Manager,
-		inner: &'a core::files::Files,
+	pub(crate) fn folder(
+		&self,
+		inner: &'a core::manager::Folder,
+		window: Option<(usize, usize)>,
 	) -> mlua::Result<AnyUserData<'a>> {
-		let ud = scope.create_any_userdata_ref(inner)?;
+		let window = window.unwrap_or_else(|| (inner.offset(), MANAGER.layout.folder_height()));
+
+		let ud = self.scope.create_any_userdata_ref(inner)?;
 		ud.set_named_user_value(
-			"items",
-			inner.iter().filter_map(|f| Self::file(scope, manager, f).ok()).collect::<Vec<_>>(),
+			"window",
+			inner
+				.files
+				.iter()
+				.skip(window.0)
+				.take(window.1)
+				.filter_map(|f| self.file(f).ok())
+				.collect::<Vec<_>>(),
 		)?;
+		ud.set_named_user_value("files", self.files(&inner.files)?)?;
+		ud.set_named_user_value("hovered", inner.hovered.as_ref().and_then(|h| self.file(h).ok()))?;
 
 		Ok(ud)
 	}
 
-	fn file<'a>(
-		scope: &mlua::Scope<'a, 'a>,
-		manager: &'a core::manager::Manager,
-		inner: &'a core::files::File,
-	) -> mlua::Result<AnyUserData<'a>> {
-		let ud = scope.create_any_userdata_ref(inner)?;
+	fn files(&self, inner: &'a core::files::Files) -> mlua::Result<AnyUserData<'a>> {
+		self.scope.create_any_userdata_ref(inner)
+	}
 
+	fn file(&self, inner: &'a core::files::File) -> mlua::Result<AnyUserData<'a>> {
+		let ud = self.scope.create_any_userdata_ref(inner)?;
 		ud.set_named_user_value(
 			"icon",
-			scope.create_function(|_, ()| {
+			self.scope.create_function(|_, ()| {
 				Ok(
 					THEME
 						.icons
@@ -154,8 +167,8 @@ impl Manager {
 
 		ud.set_named_user_value(
 			"style",
-			scope.create_function(|_, ()| {
-				let mime = manager.mimetype.get(inner.url());
+			self.scope.create_function(|_, ()| {
+				let mime = self.inner.mimetype.get(inner.url());
 				Ok(
 					THEME
 						.filetypes
@@ -169,22 +182,18 @@ impl Manager {
 		Ok(ud)
 	}
 
-	fn preview<'a>(
-		scope: &mlua::Scope<'a, 'a>,
-		manager: &'a core::manager::Manager,
-		tab: &'a core::manager::Tab,
-	) -> mlua::Result<AnyUserData<'a>> {
+	fn preview(&self, tab: &'a core::manager::Tab) -> mlua::Result<AnyUserData<'a>> {
 		let inner = tab.preview();
 
-		let ud = scope.create_any_userdata_ref(inner)?;
+		let ud = self.scope.create_any_userdata_ref(inner)?;
 		ud.set_named_user_value(
 			"folder",
 			inner
 				.lock
 				.as_ref()
 				.filter(|l| l.is_folder())
 				.and_then(|l| tab.history(&l.url))
-				.and_then(|f| Self::folder(scope, manager, f).ok()),
+				.and_then(|f| self.folder(f, Some((f.offset(), MANAGER.layout.preview_height()))).ok()),
 		)?;
 
 		Ok(ud)

plugin/src/components.rs

@@ -1,23 +1,14 @@
-use core::Ctx;
-
 use mlua::{Result, Table, TableExt};
 use ratatui::layout;
 
-use crate::{bindings, layout::{Paragraph, Rect}, GLOBALS, LUA};
+use crate::{layout::{Paragraph, Rect}, GLOBALS, LUA};
 
 pub struct Status;
 
 impl Status {
-	pub fn render(cx: &Ctx, area: layout::Rect) -> Result<Vec<Paragraph>> {
-		LUA.scope(|scope| {
-			let tbl = LUA.create_table()?;
-			tbl.set("manager", bindings::Manager::make(scope, &cx.manager)?)?;
-			tbl.set("tasks", bindings::Tasks::make(scope, &cx.tasks)?)?;
-			GLOBALS.set("cx", tbl)?;
-
-			let comp: Table = GLOBALS.get("Status")?;
-			comp.call_method::<_, _>("render", Rect(area))
-		})
+	pub fn render(area: layout::Rect) -> Result<Vec<Paragraph>> {
+		let comp: Table = GLOBALS.get("Status")?;
+		comp.call_method::<_, _>("render", Rect(area))
 	}
 }
 
@@ -32,14 +23,8 @@ impl Folder {
 		Ok(tbl)
 	}
 
-	pub fn render(self, cx: &Ctx, area: layout::Rect) -> Result<Vec<Paragraph>> {
-		LUA.scope(|scope| {
-			let tbl = LUA.create_table()?;
-			tbl.set("manager", bindings::Manager::make(scope, &cx.manager)?)?;
-			GLOBALS.set("cx", tbl)?;
-
-			let comp: Table = GLOBALS.get("Folder")?;
-			comp.call_method::<_, _>("render", (Rect(area), self.args()?))
-		})
+	pub fn render(self, area: layout::Rect) -> Result<Vec<Paragraph>> {
+		let comp: Table = GLOBALS.get("Folder")?;
+		comp.call_method::<_, _>("render", (Rect(area), self.args()?))
 	}
 }

plugin/src/lib.rs

@@ -5,7 +5,9 @@ mod components;
 mod config;
 mod layout;
 mod plugin;
+mod scope;
 
 pub use components::*;
 use config::*;
 pub use plugin::*;
+pub use scope::*;

plugin/src/scope.rs

@@ -0,0 +1,14 @@
+use core::Ctx;
+
+use crate::{bindings, GLOBALS, LUA};
+
+pub fn scope<F: FnOnce()>(cx: &Ctx, f: F) {
+	let _ = LUA.scope(|scope| {
+		let tbl = LUA.create_table()?;
+		tbl.set("manager", bindings::Manager::new(scope, &cx.manager).make()?)?;
+		tbl.set("tasks", bindings::Tasks::make(scope, &cx.tasks)?)?;
+		GLOBALS.set("cx", tbl)?;
+
+		Ok(f())
+	});
+}