feat: find (#104)

Cargo.lock

@@ -177,9 +177,9 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.21.3"
+version = "0.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "414dcefbc63d77c526a76b3afcf6fbb9b5e2791c19c3aa2297733208750c6e53"
+checksum = "9ba43ea6f343b788c8764558649e08df62f86c6ef251fdaeb1ffd010a9ae50a2"
 
 [[package]]
 name = "bincode"
@@ -1548,9 +1548,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.105"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "693151e1ac27563d6dbcec9dee9fbd5da8539b20fa14ad3752b2e6d363ace360"
+checksum = "2cc66a619ed80bf7a0f6b17dd063a84b88f6dea1813737cf469aef1d081142c2"
 dependencies = [
  "itoa",
  "ryu",
@@ -1880,9 +1880,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.7.7"
+version = "0.7.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de0a3ab2091e52d7299a39d098e200114a972df0a7724add02a273aa9aada592"
+checksum = "dd79e69d3b627db300ff956027cc6c3798cef26d22526befdfcd12feeb6d2257"
 dependencies = [
  "indexmap 2.0.0",
  "serde",

app/src/app.rs

@@ -2,7 +2,7 @@ use core::{emit, files::FilesOp, input::InputMode, Event};
 use std::ffi::OsString;
 
 use anyhow::{Ok, Result};
-use config::{keymap::{Control, Key, KeymapLayer}, BOOT};
+use config::{keymap::{Exec, Key, KeymapLayer}, BOOT};
 use crossterm::event::KeyEvent;
 use shared::{expand_url, Term};
 use tokio::sync::oneshot;
@@ -34,7 +34,7 @@ impl App {
 				Event::Render(_) => app.dispatch_render(),
 				Event::Resize(..) => app.dispatch_resize(),
 				Event::Stop(state, tx) => app.dispatch_stop(state, tx),
-				Event::Ctrl(ctrl, layer) => app.dispatch_ctrl(ctrl, layer),
+				Event::Call(exec, layer) => app.dispatch_call(exec, layer),
 				event => app.dispatch_module(event),
 			}
 		}
@@ -109,8 +109,8 @@ impl App {
 	}
 
 	#[inline]
-	fn dispatch_ctrl(&mut self, ctrl: Control, layer: KeymapLayer) {
+	fn dispatch_call(&mut self, exec: Vec<Exec>, layer: KeymapLayer) {
-		if Executor::dispatch(&mut self.cx, &ctrl.exec, layer) {
+		if Executor::dispatch(&mut self.cx, &exec, layer) {
 			emit!(Render);
 		}
 	}

app/src/executor.rs

@@ -37,7 +37,7 @@ impl Executor {
 	}
 
 	#[inline]
-	pub(super) fn dispatch(cx: &mut Ctx, exec: &Vec<Exec>, layer: KeymapLayer) -> bool {
+	pub(super) fn dispatch(cx: &mut Ctx, exec: &[Exec], layer: KeymapLayer) -> bool {
 		let mut render = false;
 		for e in exec {
 			render |= match layer {
@@ -138,6 +138,14 @@ impl Executor {
 				_ => false,
 			},
 
+			// Find
+			"find" => {
+				let query = exec.args.get(0).map(|s| s.as_str());
+				let prev = exec.named.contains_key("previous");
+				cx.manager.active_mut().find(query, prev)
+			}
+			"find_arrow" => cx.manager.active_mut().find_arrow(exec.named.contains_key("previous")),
+
 			// Sorting
 			"sort" => {
 				let b = cx.manager.active_mut().set_sorter(FilesSorter {

app/src/manager/folder.rs

@@ -1,7 +1,7 @@
 use core::files::File;
 
 use config::{MANAGER, THEME};
-use ratatui::{buffer::Buffer, layout::Rect, style::Style, widgets::{List, ListItem, Widget}};
+use ratatui::{buffer::Buffer, layout::Rect, style::{Color, Modifier, Style}, text::{Line, Span}, widgets::{List, ListItem, Widget}};
 use shared::short_path;
 
 use crate::Ctx;
@@ -11,11 +11,12 @@ pub(super) struct Folder<'a> {
 	folder:       &'a core::manager::Folder,
 	is_preview:   bool,
 	is_selection: bool,
+	is_find:      bool,
 }
 
 impl<'a> Folder<'a> {
 	pub(super) fn new(cx: &'a Ctx, folder: &'a core::manager::Folder) -> Self {
-		Self { cx, folder, is_preview: false, is_selection: false }
+		Self { cx, folder, is_preview: false, is_selection: false, is_find: false }
 	}
 
 	#[inline]
@@ -30,6 +31,24 @@ impl<'a> Folder<'a> {
 		self
 	}
 
+	#[inline]
+	pub(super) fn with_find(mut self, state: bool) -> Self {
+		self.is_find = state;
+		self
+	}
+}
+
+impl<'a> Folder<'a> {
+	#[inline]
+	fn icon(file: &File) -> &'static str {
+		THEME
+			.icons
+			.iter()
+			.find(|x| x.name.match_path(file.url(), Some(file.is_dir())))
+			.map(|x| x.display.as_ref())
+			.unwrap_or("")
+	}
+
 	#[inline]
 	fn file_style(&self, file: &File) -> Style {
 		let mimetype = &self.cx.manager.mimetype;
@@ -53,17 +72,10 @@ impl<'a> Widget for Folder<'a> {
 			self.folder.window()
 		};
 
-		let items = window
+		let items: Vec<_> = window
 			.iter()
 			.enumerate()
 			.map(|(i, f)| {
-				let icon = THEME
-					.icons
-					.iter()
-					.find(|x| x.name.match_path(f.url(), Some(f.is_dir())))
-					.map(|x| x.display.as_ref())
-					.unwrap_or("");
-
 				let is_selected = self.folder.files.is_selected(f.url());
 				if (!self.is_selection && is_selected)
 					|| (self.is_selection && mode.pending(self.folder.offset() + i, is_selected))
@@ -87,16 +99,37 @@ impl<'a> Widget for Folder<'a> {
 					self.file_style(f)
 				};
 
-				let mut path = format!(" {icon} {}", short_path(f.url(), &self.folder.cwd));
+				let mut spans = Vec::with_capacity(10);
+
+				spans.push(Span::raw(format!(" {} ", Self::icon(f))));
+				spans.push(Span::raw(short_path(f.url(), &self.folder.cwd)));
+
 				if let Some(link_to) = f.link_to() {
 					if MANAGER.show_symlink {
-						path.push_str(&format!(" -> {}", link_to.display()));
+						spans.push(Span::raw(format!(" -> {}", link_to.display())));
 					}
 				}
 
-				ListItem::new(path).style(style)
+				if let Some(idx) = active
+					.finder()
+					.filter(|&f| hovered && self.is_find && f.has_matched())
+					.and_then(|finder| finder.matched_idx(f.url()))
+				{
+					let len = active.finder().unwrap().matched().len();
+					let style = Style::new().fg(Color::Rgb(255, 255, 50)).add_modifier(Modifier::ITALIC);
+					spans.push(Span::styled(
+						format!(
+							"  [{}/{}]",
+							if idx > 99 { ">99".to_string() } else { (idx + 1).to_string() },
+							if len > 99 { ">99".to_string() } else { len.to_string() }
+						),
+						style,
+					));
+				}
+
+				ListItem::new(Line::from(spans)).style(style)
 			})
-			.collect::<Vec<_>>();
+			.collect();
 
 		List::new(items).render(area, buf);
 	}

app/src/manager/layout.rs

@@ -39,6 +39,7 @@ impl<'a> Widget for Layout<'a> {
 		// Current
 		Folder::new(self.cx, manager.current())
 			.with_selection(manager.active().mode().is_visual())
+			.with_find(manager.active().finder().is_some())
 			.render(chunks[1], buf);
 
 		// Preview

app/src/status/left.rs

@@ -26,7 +26,7 @@ impl<'a> Widget for Left<'a> {
 		let separator = &THEME.status.separator;
 
 		// Mode
-		let mut spans = vec![];
+		let mut spans = Vec::with_capacity(5);
 		spans.push(Span::styled(&separator.opening, primary.fg()));
 		spans.push(Span::styled(
 			format!(" {mode} "),

app/src/status/right.rs

@@ -65,7 +65,7 @@ impl<'a> Right<'a> {
 impl Widget for Right<'_> {
 	fn render(self, area: Rect, buf: &mut Buffer) {
 		let manager = self.cx.manager.current();
-		let mut spans = vec![];
+		let mut spans = Vec::with_capacity(20);
 
 		// Permissions
 		#[cfg(not(target_os = "windows"))]

app/src/which/side.rs

@@ -16,7 +16,7 @@ impl Widget for Side<'_> {
 			.cands
 			.into_iter()
 			.map(|c| {
-				let mut spans = vec![];
+				let mut spans = Vec::with_capacity(10);
 
 				// Keys
 				let keys = c.on[self.times..].iter().map(ToString::to_string).collect::<Vec<_>>();

config/preset/keymap.toml

@@ -64,6 +64,12 @@ keymap = [
 	{ on = [ "c", "f" ], exec = "copy filename",         desc = "Copy the name of the file" },
 	{ on = [ "c", "n" ], exec = "copy name_without_ext", desc = "Copy the name of the file without the extension" },
 
+	# Find
+	{ on = [ "/" ], exec = "find" },
+	{ on = [ "?" ], exec = "find --previous" },
+	{ on = [ "-" ], exec = "find_arrow" },
+	{ on = [ "=" ], exec = "find_arrow --previous" },
+
 	# Sorting
 	{ on = [ ",", "a" ], exec = "sort alphabetical --dir_first",           desc = "Sort alphabetically, directories first" },
 	{ on = [ ",", "A" ], exec = "sort alphabetical --reverse --dir_first", desc = "Sort alphabetically, directories first (reverse)" },
@@ -106,7 +112,7 @@ keymap = [
 	{ on = [ "g", "<Space>" ], exec = "cd --interactive", desc = "Go to a directory interactively" },
 
 	# Help
-	{ on = [ "?" ], exec = "help", desc = "Open help" },
+	{ on = [ "~" ], exec = "help", desc = "Open help" },
 ]
 
 [tasks]
@@ -125,7 +131,7 @@ keymap = [
 	{ on = [ "<Enter>" ], exec = "inspect", desc = "Inspect the task" },
 	{ on = [ "x" ],       exec = "cancel",  desc = "Cancel the task" },
 
-	{ on = [ "?" ], exec = "help", desc = "Open help" }
+	{ on = [ "~" ], exec = "help", desc = "Open help" }
 ]
 
 [select]
@@ -144,7 +150,7 @@ keymap = [
 	{ on = [ "<Up>" ],   exec = "arrow -1", desc = "Move cursor up" },
 	{ on = [ "<Down>" ], exec = "arrow 1",  desc = "Move cursor down" },
 
-	{ on = [ "?" ], exec = "help", desc = "Open help" }
+	{ on = [ "~" ], exec = "help", desc = "Open help" }
 ]
 
 [input]
@@ -190,7 +196,7 @@ keymap = [
 	{ on = [ "<C-r>" ], exec = "redo", desc = "Redo the last operation" },
 
 	# Help
-	{ on = [ "?" ], exec = "help", desc = "Open help" }
+	{ on = [ "~" ], exec = "help", desc = "Open help" }
 ]
 
 [help]

config/src/keymap/control.rs

@@ -12,6 +12,11 @@ pub struct Control {
 	pub desc: Option<String>,
 }
 
+impl Control {
+	#[inline]
+	pub fn to_call(&self) -> Vec<Exec> { self.exec.clone() }
+}
+
 impl Control {
 	#[inline]
 	pub fn on(&self) -> String { self.on.iter().map(ToString::to_string).collect() }
@@ -28,7 +33,7 @@ impl Control {
 
 	#[inline]
 	pub fn contains(&self, s: &str) -> bool {
-		self.desc.as_ref().map(|d| d.contains(s)).unwrap_or(false)
+		self.desc.as_ref().map(|d| d.contains(s)) == Some(true)
 			|| self.exec().contains(s)
 			|| self.on().contains(s)
 	}

config/src/keymap/exec.rs

@@ -86,3 +86,26 @@ impl Exec {
 		deserializer.deserialize_any(ExecVisitor)
 	}
 }
+
+impl Exec {
+	#[inline]
+	pub fn call(cwd: &str, args: Vec<String>) -> Self {
+		Exec { cmd: cwd.to_owned(), args, named: Default::default() }
+	}
+
+	#[inline]
+	pub fn call_named(cwd: &str, named: BTreeMap<String, String>) -> Self {
+		Exec { cmd: cwd.to_owned(), args: Default::default(), named }
+	}
+
+	#[inline]
+	pub fn vec(self) -> Vec<Self> { vec![self] }
+
+	#[inline]
+	pub fn with_bool(mut self, name: &str, state: bool) -> Self {
+		if state {
+			self.named.insert(name.to_string(), "".to_string());
+		}
+		self
+	}
+}

core/src/event.rs

@@ -1,7 +1,7 @@
 use std::{collections::BTreeMap, ffi::OsString};
 
 use anyhow::Result;
-use config::{keymap::{Control, KeymapLayer}, open::Opener};
+use config::{keymap::{Exec, KeymapLayer}, open::Opener};
 use crossterm::event::KeyEvent;
 use shared::{InputError, RoCell, Url};
 use tokio::sync::{mpsc::{self, UnboundedSender}, oneshot};
@@ -18,7 +18,7 @@ pub enum Event {
 	Render(String),
 	Resize(u16, u16),
 	Stop(bool, Option<oneshot::Sender<()>>),
-	Ctrl(Control, KeymapLayer),
+	Call(Vec<Exec>, KeymapLayer),
 
 	// Manager
 	Cd(Url),
@@ -67,8 +67,8 @@ macro_rules! emit {
 		let (tx, rx) = tokio::sync::oneshot::channel();
 		$crate::Event::Stop($state, Some(tx)).wait(rx)
 	}};
-	(Ctrl($exec:expr, $layer:expr)) => {
+	(Call($exec:expr, $layer:expr)) => {
-		$crate::Event::Ctrl($exec, $layer).emit();
+		$crate::Event::Call($exec, $layer).emit();
 	};
 
 	(Cd($url:expr)) => {

core/src/files/files.rs

@@ -5,11 +5,12 @@ use config::manager::SortBy;
 use shared::Url;
 use tokio::{fs, select, sync::mpsc::{self, UnboundedReceiver}};
 
-use super::{File, FilesSorter, FILES_VERSION};
+use super::{File, FilesSorter, FILES_TICKET};
 
 pub struct Files {
 	items:   Vec<File>,
 	hidden:  Vec<File>,
+	ticket:  u64,
 	version: u64,
 
 	sizes:    BTreeMap<Url, u64>,
@@ -24,6 +25,7 @@ impl Default for Files {
 		Self {
 			items:   Default::default(),
 			hidden:  Default::default(),
+			ticket:  Default::default(),
 			version: Default::default(),
 
 			sizes:    Default::default(),
@@ -126,15 +128,16 @@ impl Files {
 		if !self.show_hidden {
 			(self.hidden, items) = items.into_iter().partition(|f| f.is_hidden);
 		}
+		self.ticket = FILES_TICKET.fetch_add(1, Ordering::Relaxed);
 		self.sorter.sort(&mut items, &self.sizes);
 		self.items = items;
-		self.version = FILES_VERSION.fetch_add(1, Ordering::Relaxed);
+		self.version += 1;
 		true
 	}
 
 	pub fn update_part(&mut self, version: u64, items: Vec<File>) -> bool {
 		if !items.is_empty() {
-			if version != self.version {
+			if version != self.ticket {
 				return false;
 			}
 
@@ -147,22 +150,26 @@ impl Files {
 			}
 
 			self.sorter.sort(&mut self.items, &self.sizes);
+			self.version += 1;
 			return true;
 		}
 
-		self.version = version;
+		self.ticket = version;
-		if !self.items.is_empty() {
+		if self.items.is_empty() && self.hidden.is_empty() {
-			self.items.clear();
+			return false;
-			self.hidden.clear();
-			return true;
 		}
-		false
+
+		self.items.clear();
+		self.hidden.clear();
+		self.version += 1;
+		true
 	}
 
 	pub fn update_size(&mut self, items: BTreeMap<Url, u64>) -> bool {
 		self.sizes.extend(items);
 		if self.sorter.by == SortBy::Size {
 			self.sorter.sort(&mut self.items, &self.sizes);
+			self.version += 1;
 		}
 		true
 	}
@@ -186,7 +193,11 @@ impl Files {
 	#[inline]
 	pub fn duplicate(&self, idx: usize) -> Option<File> { self.items.get(idx).cloned() }
 
-	// --- Size
+	// --- Version
+	#[inline]
+	pub fn version(&self) -> u64 { self.version }
+
+	// --- Sizes
 	#[inline]
 	pub fn size(&self, url: &Url) -> Option<u64> { self.sizes.get(url).copied() }
 
@@ -230,6 +241,7 @@ impl Files {
 	}
 
 	// --- Sorter
+	#[inline]
 	pub fn sorter(&self) -> &FilesSorter { &self.sorter }
 
 	#[inline]
@@ -238,6 +250,7 @@ impl Files {
 			return false;
 		}
 		self.sorter = sorter;
+		self.version += 1;
 		self.sorter.sort(&mut self.items, &self.sizes)
 	}
 
@@ -259,6 +272,7 @@ impl Files {
 		}
 
 		self.show_hidden = state;
+		self.version += 1;
 		true
 	}
 }

core/src/files/op.rs

@@ -5,7 +5,7 @@ use shared::Url;
 use super::File;
 use crate::emit;
 
-pub(super) static FILES_VERSION: AtomicU64 = AtomicU64::new(0);
+pub(super) static FILES_TICKET: AtomicU64 = AtomicU64::new(0);
 
 #[derive(Debug)]
 pub enum FilesOp {
@@ -28,8 +28,8 @@ impl FilesOp {
 
 	#[inline]
 	pub fn prepare(url: &Url) -> u64 {
-		let version = FILES_VERSION.fetch_add(1, Ordering::Relaxed);
+		let ticket = FILES_TICKET.fetch_add(1, Ordering::Relaxed);
-		emit!(Files(Self::Part(url.clone(), version, Vec::new())));
+		emit!(Files(Self::Part(url.clone(), ticket, Vec::new())));
-		version
+		ticket
 	}
 }

core/src/manager/finder.rs

@@ -0,0 +1,130 @@
+use std::{collections::BTreeMap, ffi::OsStr};
+
+use anyhow::Result;
+use regex::bytes::Regex;
+use shared::Url;
+
+use crate::files::Files;
+
+pub struct Finder {
+	query:   Regex,
+	matched: BTreeMap<Url, u8>,
+	version: u64,
+}
+
+impl Finder {
+	pub(super) fn new(s: &str) -> Result<Self> {
+		Ok(Self { query: Regex::new(s)?, matched: Default::default(), version: 0 })
+	}
+
+	pub(super) fn arrow(&self, files: &Files, cursor: usize, prev: bool) -> Option<isize> {
+		if prev {
+			files
+				.iter()
+				.take(cursor)
+				.rev()
+				.enumerate()
+				.find(|(_, f)| f.name().map_or(false, |n| self.matches(n)))
+				.map(|(i, _)| -(i as isize) - 1)
+		} else {
+			files
+				.iter()
+				.skip(cursor + 1)
+				.enumerate()
+				.find(|(_, f)| f.name().map_or(false, |n| self.matches(n)))
+				.map(|(i, _)| i as isize + 1)
+		}
+	}
+
+	pub(super) fn ring(&self, files: &Files, cursor: usize, prev: bool) -> Option<isize> {
+		if prev {
+			files
+				.iter()
+				.take(cursor + 1)
+				.rev()
+				.enumerate()
+				.find(|(_, f)| f.name().map_or(false, |n| self.matches(n)))
+				.map(|(i, _)| -(i as isize))
+				.or_else(|| {
+					files
+						.iter()
+						.skip(cursor + 1)
+						.enumerate()
+						.find(|(_, f)| f.name().map_or(false, |n| self.matches(n)))
+						.map(|(i, _)| i as isize + 1)
+				})
+		} else {
+			files
+				.iter()
+				.skip(cursor)
+				.enumerate()
+				.find(|(_, f)| f.name().map_or(false, |n| self.matches(n)))
+				.map(|(i, _)| i as isize)
+				.or_else(|| {
+					files
+						.iter()
+						.take(cursor)
+						.rev()
+						.enumerate()
+						.find(|(_, f)| f.name().map_or(false, |n| self.matches(n)))
+						.map(|(i, _)| -(i as isize) - 1)
+				})
+		}
+	}
+
+	pub(super) fn catchup(&mut self, files: &Files) -> bool {
+		if self.version == files.version() {
+			return false;
+		}
+		self.matched.clear();
+
+		let mut i = 0u8;
+		for file in files.iter() {
+			if file.name().map(|n| self.matches(n)) != Some(true) {
+				continue;
+			}
+
+			self.matched.insert(file.url_owned(), i);
+			if self.matched.len() > 99 {
+				break;
+			}
+
+			i += 1;
+		}
+
+		self.version = files.version();
+		true
+	}
+
+	#[inline]
+	fn matches(&self, name: &OsStr) -> bool {
+		#[cfg(target_os = "windows")]
+		{
+			self.query.is_match(name.to_string_lossy().as_bytes())
+		}
+		#[cfg(not(target_os = "windows"))]
+		{
+			use std::os::unix::ffi::OsStrExt;
+			self.query.is_match(name.as_bytes())
+		}
+	}
+}
+
+impl Finder {
+	#[inline]
+	pub fn matched(&self) -> &BTreeMap<Url, u8> { &self.matched }
+
+	#[inline]
+	pub fn has_matched(&self) -> bool { !self.matched.is_empty() }
+
+	#[inline]
+	pub fn matched_idx(&self, url: &Url) -> Option<u8> {
+		if let Some((_, &idx)) = self.matched.iter().find(|(u, _)| *u == url) {
+			return Some(idx);
+		}
+		if url.file_name().map(|n| self.matches(n)) == Some(true) {
+			return Some(100);
+		}
+		None
+	}
+}

core/src/manager/folder.rs

@@ -28,7 +28,7 @@ impl Folder {
 	pub fn update(&mut self, op: FilesOp) -> bool {
 		let b = match op {
 			FilesOp::Full(_, items) => self.files.update_full(items),
-			FilesOp::Part(_, version, items) => self.files.update_part(version, items),
+			FilesOp::Part(_, ticket, items) => self.files.update_part(ticket, items),
 			FilesOp::Size(_, items) => self.files.update_size(items),
 			_ => unreachable!(),
 		};

core/src/manager/mod.rs

@@ -1,3 +1,4 @@
+mod finder;
 mod folder;
 mod manager;
 mod mode;
@@ -6,6 +7,7 @@ mod tab;
 mod tabs;
 mod watcher;
 
+pub use finder::*;
 pub use folder::*;
 pub use manager::*;
 pub use mode::*;

core/src/manager/preview/preview.rs

@@ -97,9 +97,9 @@ impl Preview {
 			let rx = UnboundedReceiverStream::new(rx).chunks_timeout(10000, Duration::from_millis(500));
 			pin!(rx);
 
-			let version = FilesOp::prepare(&url);
+			let ticket = FilesOp::prepare(&url);
 			while let Some(chunk) = rx.next().await {
-				emit!(Files(FilesOp::Part(url.clone(), version, chunk)));
+				emit!(Files(FilesOp::Part(url.clone(), ticket, chunk)));
 			}
 		}));
 	}

core/src/manager/preview/provider.rs

@@ -7,7 +7,6 @@ use shared::{MimeKind, PeekError};
 use syntect::{easy::HighlightFile, util::as_24_bit_terminal_escaped};
 use tokio::fs;
 
-
 use super::PreviewData;
 use crate::{external, highlighter};
 
@@ -85,7 +84,7 @@ impl Provider {
 	}
 
 	pub(super) async fn highlight(path: &Path, skip: usize) -> Result<String, PeekError> {
-		let tick = INCR.load(Ordering::Relaxed);
+		let ticket = INCR.load(Ordering::Relaxed);
 		let path = path.to_path_buf();
 		let spaces = " ".repeat(PREVIEW.tab_size as usize);
 
@@ -98,7 +97,7 @@ impl Provider {
 			let mut i = 0;
 			let limit = MANAGER.layout.preview_height();
 			while h.reader.read_line(&mut line)? > 0 {
-				if tick != INCR.load(Ordering::Relaxed) {
+				if ticket != INCR.load(Ordering::Relaxed) {
 					return Err("Highlighting cancelled".into());
 				}
 

core/src/manager/tab.rs

@@ -1,12 +1,12 @@
 use std::{borrow::Cow, collections::{BTreeMap, BTreeSet}, ffi::{OsStr, OsString}, mem, time::Duration};
 
 use anyhow::{bail, Error, Result};
-use config::open::Opener;
+use config::{keymap::{Exec, KeymapLayer}, open::Opener};
-use shared::{Defer, Url};
+use shared::{Debounce, Defer, InputError, Url};
 use tokio::{pin, task::JoinHandle};
 use tokio_stream::{wrappers::UnboundedReceiverStream, StreamExt};
 
-use super::{Folder, Mode, Preview, PreviewLock};
+use super::{Finder, Folder, Mode, Preview, PreviewLock};
 use crate::{emit, external::{self, FzfOpt, ZoxideOpt}, files::{File, FilesOp, FilesSorter}, input::InputOpt, Event, BLOCKER};
 
 pub struct Tab {
@@ -17,6 +17,7 @@ pub struct Tab {
 	pub(super) history: BTreeMap<Url, Folder>,
 	pub(super) preview: Preview,
 
+	finder:                 Option<Finder>,
 	search:                 Option<JoinHandle<Result<()>>>,
 	pub(super) show_hidden: bool,
 }
@@ -33,6 +34,7 @@ impl From<Url> for Tab {
 			history: Default::default(),
 			preview: Default::default(),
 
+			finder: None,
 			search: None,
 			show_hidden: true,
 		}
@@ -45,6 +47,11 @@ impl From<&Url> for Tab {
 
 impl Tab {
 	pub fn escape(&mut self) -> bool {
+		if self.finder.is_some() {
+			self.finder = None;
+			return true;
+		}
+
 		if let Some((_, indices)) = self.mode.visual() {
 			self.current.files.select_index(indices, Some(self.mode.is_select()));
 			self.mode = Mode::Normal;
@@ -232,6 +239,49 @@ impl Tab {
 		false
 	}
 
+	pub fn find(&mut self, query: Option<&str>, prev: bool) -> bool {
+		if let Some(query) = query {
+			let Ok(finder) = Finder::new(query) else {
+				return false;
+			};
+
+			if let Some(step) = finder.ring(&self.current.files, self.current.cursor(), prev) {
+				self.arrow(step);
+			}
+
+			self.finder = Some(finder);
+			return true;
+		}
+
+		tokio::spawn(async move {
+			let rx = emit!(Input(InputOpt::top("Find:").with_realtime()));
+
+			let rx = Debounce::new(UnboundedReceiverStream::new(rx), Duration::from_millis(50));
+			pin!(rx);
+
+			while let Some(Ok(s)) | Some(Err(InputError::Typed(s))) = rx.next().await {
+				emit!(Call(
+					Exec::call("find", vec![s]).with_bool("previous", prev).vec(),
+					KeymapLayer::Manager
+				));
+			}
+		});
+		false
+	}
+
+	pub fn find_arrow(&mut self, prev: bool) -> bool {
+		let Some(finder) = &mut self.finder else {
+			return false;
+		};
+
+		let mut b = finder.catchup(&self.current.files);
+		if let Some(step) = finder.arrow(&self.current.files, self.current.cursor(), prev) {
+			b |= self.arrow(step);
+		}
+
+		b
+	}
+
 	pub fn search(&mut self, grep: bool) -> bool {
 		if let Some(handle) = self.search.take() {
 			handle.abort();
@@ -254,14 +304,14 @@ impl Tab {
 			let rx = UnboundedReceiverStream::new(rx).chunks_timeout(1000, Duration::from_millis(300));
 			pin!(rx);
 
-			let version = FilesOp::prepare(&cwd);
+			let ticket = FilesOp::prepare(&cwd);
 			let mut first = true;
 			while let Some(chunk) = rx.next().await {
 				if first {
 					emit!(Cd(cwd.clone()));
 					first = false;
 				}
-				emit!(Files(FilesOp::Part(cwd.clone(), version, chunk)));
+				emit!(Files(FilesOp::Part(cwd.clone(), ticket, chunk)));
 			}
 			Ok(())
 		}));
@@ -409,6 +459,10 @@ impl Tab {
 	#[inline]
 	pub fn preview_arrow(&mut self, step: isize) -> bool { self.preview.arrow(step) }
 
+	// --- Finder
+	#[inline]
+	pub fn finder(&self) -> Option<&Finder> { self.finder.as_ref() }
+
 	// --- Sorter
 	pub fn set_sorter(&mut self, sorter: FilesSorter) -> bool {
 		if !self.current.files.set_sorter(sorter) {

core/src/which/which.rs

@@ -38,10 +38,10 @@ impl Which {
 			self.switch(false);
 		} else if self.cands.len() == 1 {
 			self.switch(false);
-			emit!(Ctrl(self.cands.remove(0), self.layer));
+			emit!(Call(self.cands[0].to_call(), self.layer));
 		} else if let Some(i) = self.cands.iter().position(|c| c.on.len() == self.times + 1) {
 			self.switch(false);
-			emit!(Ctrl(self.cands.remove(i), self.layer));
+			emit!(Call(self.cands[i].to_call(), self.layer));
 		}
 
 		self.times += 1;

shared/src/debounce.rs

@@ -0,0 +1,62 @@
+use std::{pin::Pin, task::{Context, Poll}, time::Duration};
+
+use futures::{FutureExt, Stream, StreamExt};
+use tokio::time::{sleep, Instant, Sleep};
+
+pub struct Debounce<S>
+where
+	S: Stream,
+{
+	stream:   S,
+	interval: Duration,
+
+	sleep: Sleep,
+	last:  Option<S::Item>,
+}
+
+impl<S> Debounce<S>
+where
+	S: Stream + Unpin,
+{
+	pub fn new(stream: S, interval: Duration) -> Debounce<S> {
+		Self { stream, interval, sleep: sleep(Duration::ZERO), last: None }
+	}
+}
+
+impl<S> Stream for Debounce<S>
+where
+	S: Stream + Unpin,
+{
+	type Item = S::Item;
+
+	fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+		let (mut stream, interval, mut sleep, last) = unsafe {
+			let me = self.get_unchecked_mut();
+			(Pin::new(&mut me.stream), me.interval, Pin::new_unchecked(&mut me.sleep), &mut me.last)
+		};
+
+		if sleep.poll_unpin(cx).is_ready() {
+			if let Some(last) = last.take() {
+				return Poll::Ready(Some(last));
+			}
+		}
+
+		while let Poll::Ready(next) = stream.poll_next_unpin(cx) {
+			match next {
+				Some(next) => {
+					*last = Some(next);
+				}
+				None if last.is_none() => {
+					return Poll::Ready(None);
+				}
+				None => {
+					sleep.reset(Instant::now());
+					return Poll::Pending;
+				}
+			}
+		}
+
+		sleep.reset(Instant::now() + interval);
+		Poll::Pending
+	}
+}

shared/src/lib.rs

@@ -1,6 +1,7 @@
 #![allow(clippy::option_map_unit_fn)]
 
 mod chars;
+mod debounce;
 mod defer;
 mod errors;
 mod fns;
@@ -13,6 +14,7 @@ mod time;
 mod url;
 
 pub use chars::*;
+pub use debounce::*;
 pub use defer::*;
 pub use errors::*;
 pub use fns::*;