feat: find (#104)

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) {
-		if Executor::dispatch(&mut self.cx, &ctrl.exec, layer) {
+	fn dispatch_call(&mut self, exec: Vec<Exec>, layer: KeymapLayer) {
+		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)) => {
-		$crate::Event::Ctrl($exec, $layer).emit();
+	(Call($exec:expr, $layer:expr)) => {
+		$crate::Event::Call($exec, $layer).emit();
 	};
 
 	(Cd($url:expr)) => {