обновление

src/app.rs

@@ -1,7 +1,9 @@
+use std::collections::HashSet;
+use std::path::PathBuf;
 use std::time::{Duration, Instant};
 
 use crate::audio::AudioPlayer;
-use crate::library::{Library, SortMode};
+use crate::library::{Library, RightRow, SortMode};
 use crate::state::{RepeatMode, SavedState};
 use crate::track::{scan_dir, Track};
 
@@ -15,6 +17,7 @@ pub enum Panel {
 pub enum InputMode {
     Normal,
     Search,
+    Command,
 }
 
 pub struct App {
@@ -25,8 +28,16 @@ pub struct App {
     pub active_panel: Panel,
     pub input_mode: InputMode,
     pub search_buffer: String,
+    /// Буфер командного режима (после ":")
+    pub command_buffer: String,
+    /// Флаг запроса выхода (выставляется командой :q)
+    pub request_quit: bool,
     raw_tracks: Vec<Track>,
     music_dir: String,
+    /// Дополнительные директории, добавленные через :add
+    extra_dirs: Vec<String>,
+    /// Пути, удалённые из списка (не с диска)
+    deleted_paths: HashSet<PathBuf>,
     pub repeat: RepeatMode,
     pub shuffle: bool,
     pub show_help: bool,
@@ -37,11 +48,14 @@ const STATUS_RESET_AFTER: Duration = Duration::from_secs(2);
 
 impl App {
     pub fn new(music_dir: &str) -> Result<Self, Box<dyn std::error::Error>> {
-        let tracks = match crate::state::load_cache(music_dir) {
-            Some(cached) => cached,
-            None => {
+        let saved = crate::state::load();
+
+        // Пробуем загрузить кэш. Если его нет или он пустой — сканируем папку.
+        let tracks = match crate::state::load_cache() {
+            Some(cached) if !cached.is_empty() => cached,
+            _ => {
                 let scanned = scan_dir(music_dir);
-                crate::state::save_cache(music_dir, &scanned);
+                crate::state::save_cache(&scanned);
                 scanned
             }
         };
@@ -51,20 +65,23 @@ impl App {
         let mut app = Self {
             library,
             player: AudioPlayer::new()?,
-            status: "F1 — помощь".into(),
+            status: "F1 — помощь, : — команда".into(),
             playing_index: None,
             active_panel: Panel::Left,
             input_mode: InputMode::Normal,
             search_buffer: String::new(),
+            command_buffer: String::new(),
+            request_quit: false,
             raw_tracks: tracks,
             music_dir: music_dir.to_string(),
+            extra_dirs: saved.extra_dirs.clone(),
+            deleted_paths: HashSet::new(),
             repeat: RepeatMode::Off,
             shuffle: false,
             show_help: false,
             status_set_at: Instant::now(),
         };
 
-        let saved = crate::state::load();
         if let Some(vol) = saved.volume {
             app.player.set_volume(vol);
         }
@@ -92,12 +109,12 @@ impl App {
     fn default_status(&self) -> String {
         match self.playing_index.and_then(|i| self.library.track(i)) {
             Some(t) => format!("{} — {}", t.artist, t.title),
-            None => "F1 — помощь".into(),
+            None => "F1 — помощь, : — команда".into(),
         }
     }
 
     pub fn tick_status(&mut self) {
-        if self.input_mode == InputMode::Search {
+        if self.input_mode != InputMode::Normal {
             return;
         }
         if self.status_set_at.elapsed() < STATUS_RESET_AFTER {
@@ -140,6 +157,237 @@ impl App {
         self.show_help = !self.show_help;
     }
 
+    // ── Командный режим (:) ────────────────────────────────────
+
+    pub fn start_command(&mut self) {
+        self.input_mode = InputMode::Command;
+        self.command_buffer.clear();
+        self.status_set_at = Instant::now();
+    }
+
+    pub fn cancel_command(&mut self) {
+        self.input_mode = InputMode::Normal;
+        self.command_buffer.clear();
+        self.set_status("Команда отменена".into());
+    }
+
+    pub fn command_push(&mut self, c: char) {
+        self.command_buffer.push(c);
+        self.status_set_at = Instant::now();
+    }
+
+    pub fn command_pop(&mut self) {
+        self.command_buffer.pop();
+        self.status_set_at = Instant::now();
+    }
+
+    pub fn commit_command(&mut self) {
+        let cmd = self.command_buffer.trim().to_string();
+        self.input_mode = InputMode::Normal;
+        self.command_buffer.clear();
+
+        if cmd.is_empty() {
+            return;
+        }
+
+        let mut parts = cmd.splitn(2, char::is_whitespace);
+        let name = parts.next().unwrap_or("");
+        let args = parts.next().unwrap_or("").trim();
+
+        match name {
+            "add" => self.add_dir(args),
+            "reload" => self.reload_library(),
+			"save" => self.save_now(),
+            "help" => {
+                self.show_help = true;
+                self.set_status("Справка".into());
+            }
+            "q" | "quit" => {
+                self.request_quit = true;
+            }
+            _ => {
+                self.set_status(format!("Неизвестная команда: {}", name));
+            }
+        }
+    }
+
+    fn add_dir(&mut self, raw_path: &str) {
+        if raw_path.is_empty() {
+            self.set_status("Использование: :add <путь>".into());
+            return;
+        }
+
+        let expanded = expand_tilde(raw_path);
+        let path = PathBuf::from(&expanded);
+
+        if !path.exists() {
+            self.set_status(format!("Путь не существует: {}", expanded));
+            return;
+        }
+
+        if !path.is_dir() {
+            self.set_status(format!("Не директория: {}", expanded));
+            return;
+        }
+
+        self.set_status(format!("Сканирование {}...", expanded));
+        let new_tracks = scan_dir(&expanded);
+
+        if new_tracks.is_empty() {
+            self.set_status(format!("Нет треков в {}", expanded));
+            return;
+        }
+
+        let existing: HashSet<PathBuf> = self.raw_tracks.iter().map(|t| t.path.clone()).collect();
+        let mut added = 0;
+        for track in new_tracks {
+            if !existing.contains(&track.path) && !self.deleted_paths.contains(&track.path) {
+                self.raw_tracks.push(track);
+                added += 1;
+            }
+        }
+
+        if !self.extra_dirs.contains(&expanded) {
+            self.extra_dirs.push(expanded.clone());
+        }
+
+        self.rebuild_library();
+        crate::state::save_cache(&self.raw_tracks);
+        self.set_status(format!("Добавлено {} треков из {}", added, expanded));
+    }
+
+    pub fn reload_library(&mut self) {
+        let mut dirs = vec![self.music_dir.clone()];
+        dirs.extend(self.extra_dirs.clone());
+
+        let mut all = Vec::new();
+        for dir in &dirs {
+            let expanded = expand_tilde(dir);
+            all.extend(scan_dir(&expanded));
+        }
+
+        let mut seen = HashSet::new();
+        all.retain(|t| seen.insert(t.path.clone()));
+
+        self.raw_tracks = all;
+        self.deleted_paths.clear();
+        crate::state::save_cache(&self.raw_tracks);
+
+        self.rebuild_library();
+        self.set_status(format!("Пересканировано {} треков", self.raw_tracks.len()));
+    }
+	
+	/// Принудительно сохранить кэш библиотеки и настройки.
+    /// Тот же `persist()`, но с подтверждением в статусе.
+    pub fn save_now(&mut self) {
+        self.persist();
+        let msg = format!("Сохранено {} треков", self.raw_tracks.len());
+        self.set_status(msg);
+    }
+
+    // ── Удаление из списка (клавиша Del) ───────────────────────
+    pub fn delete_selected(&mut self) {
+        match self.active_panel {
+            Panel::Left => self.delete_current_left_group(),
+            Panel::Right => self.delete_current_right_item(),
+        }
+        self.rebuild_library();
+    }
+
+    fn delete_current_left_group(&mut self) {
+        let Some(group) = self.library.artists.get(self.library.artist_selected) else {
+            return;
+        };
+        let group_name = group.name.clone();
+
+        let to_remove: Vec<PathBuf> = group
+            .rows
+            .iter()
+            .filter_map(|r| match r {
+                RightRow::Track { index_in_library } => {
+                    self.library.track(*index_in_library).map(|t| t.path.clone())
+                }
+                _ => None,
+            })
+            .collect();
+
+        let count = to_remove.len();
+        for p in &to_remove {
+            self.deleted_paths.insert(p.clone());
+        }
+        self.raw_tracks
+            .retain(|t| !self.deleted_paths.contains(&t.path));
+
+        if let Some(idx) = self.playing_index {
+            if let Some(t) = self.library.track(idx) {
+                if to_remove.contains(&t.path) {
+                    self.player.stop();
+                    self.playing_index = None;
+                }
+            }
+        }
+
+        self.set_status(format!("Удалено: {} ({} треков)", group_name, count));
+    }
+
+    fn delete_current_right_item(&mut self) {
+        let rows = self.library.current_right_rows();
+        let Some(row) = rows.get(self.library.right_selected).cloned() else {
+            return;
+        };
+
+        match row {
+            RightRow::Track { index_in_library } => {
+                if let Some(track) = self.library.track(index_in_library).cloned() {
+                    let name = format!("{} — {}", track.artist, track.title);
+                    self.deleted_paths.insert(track.path.clone());
+                    self.raw_tracks.retain(|t| t.path != track.path);
+
+                    if Some(index_in_library) == self.playing_index {
+                        self.player.stop();
+                        self.playing_index = None;
+                    }
+
+                    self.set_status(format!("Удалено: {}", name));
+                }
+            }
+            RightRow::AlbumHeader { name } => {
+                let start = self.library.right_selected + 1;
+                let mut to_remove: Vec<PathBuf> = Vec::new();
+                for r in rows.iter().skip(start) {
+                    match r {
+                        RightRow::Track { index_in_library } => {
+                            if let Some(t) = self.library.track(*index_in_library) {
+                                to_remove.push(t.path.clone());
+                            }
+                        }
+                        RightRow::AlbumHeader { .. } => break,
+                    }
+                }
+
+                let count = to_remove.len();
+                for p in &to_remove {
+                    self.deleted_paths.insert(p.clone());
+                }
+                self.raw_tracks
+                    .retain(|t| !self.deleted_paths.contains(&t.path));
+
+                if let Some(idx) = self.playing_index {
+                    if let Some(t) = self.library.track(idx) {
+                        if to_remove.contains(&t.path) {
+                            self.player.stop();
+                            self.playing_index = None;
+                        }
+                    }
+                }
+
+                self.set_status(format!("Удалено: {} ({} треков)", name, count));
+            }
+        }
+    }
+
+    // ── Переключение треков ────────────────────────────────────
+
     pub fn next_track(&mut self) {
         let total = self.library.all_tracks.len();
         if total == 0 {
@@ -187,6 +435,10 @@ impl App {
     }
 
     fn persist(&self) {
+        // Сохраняем кэш треков — чтобы при следующем запуске
+        // не сканировать директории заново.
+        crate::state::save_cache(&self.raw_tracks);
+
         let playing_path = self
             .playing_index
             .and_then(|i| self.library.track(i))
@@ -206,6 +458,7 @@ impl App {
             shuffle: Some(self.shuffle),
             last_playing_path: playing_path,
             last_playing_pos_secs: playing_pos,
+            extra_dirs: self.extra_dirs.clone(),
         };
         crate::state::save(&state);
     }
@@ -214,6 +467,8 @@ impl App {
         self.persist();
     }
 
+    // ── Поиск ──────────────────────────────────────────────────
+
     pub fn start_search(&mut self) {
         self.input_mode = InputMode::Search;
         self.search_buffer.clear();
@@ -251,16 +506,20 @@ impl App {
 
     fn rebuild_library(&mut self) {
         let mode = self.library.sort_mode;
-        self.library = Library::build_with_filter(
-            self.raw_tracks.clone(),
-            mode,
-            self.search_buffer.clone(),
-        );
+        let filtered: Vec<Track> = self
+            .raw_tracks
+            .iter()
+            .filter(|t| !self.deleted_paths.contains(&t.path))
+            .cloned()
+            .collect();
+        self.library = Library::build_with_filter(filtered, mode, self.search_buffer.clone());
         if let Some(i) = self.playing_index {
             self.library.sync_with_playing(i);
         }
     }
 
+    // ── Навигация ──────────────────────────────────────────────
+
     pub fn up(&mut self) {
         match self.active_panel {
             Panel::Left => self.library.artist_move(-1),
@@ -321,6 +580,8 @@ impl App {
         }
     }
 
+    // ── Playback ───────────────────────────────────────────────
+
     pub fn play_index(&mut self, index_in_library: usize) {
         let Some(track) = self.library.track(index_in_library).cloned() else {
             return;
@@ -507,8 +768,15 @@ impl App {
             .and_then(|i| self.library.track(i))
             .map(|t| t.path.clone());
 
+        let filtered: Vec<Track> = self
+            .raw_tracks
+            .iter()
+            .filter(|t| !self.deleted_paths.contains(&t.path))
+            .cloned()
+            .collect();
+
         self.library = Library::build_with_filter(
-            self.raw_tracks.clone(),
+            filtered,
             new_mode,
             self.search_buffer.clone(),
         );
@@ -527,4 +795,19 @@ impl App {
         };
         self.set_status(msg);
     }
+}
+
+/// Развернуть `~/...` в путь домашней директории.
+fn expand_tilde(path: &str) -> String {
+    if let Some(rest) = path.strip_prefix("~/") {
+        if let Some(home) = dirs::home_dir() {
+            return home.join(rest).to_string_lossy().to_string();
+        }
+    }
+    if path == "~" {
+        if let Some(home) = dirs::home_dir() {
+            return home.to_string_lossy().to_string();
+        }
+    }
+    path.to_string()
 }

src/main.rs

@@ -26,8 +26,14 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let mut app = App::new(&music_dir)?;
 
     loop {
+        // Проверяем флаг выхода, выставленный командой :q
+        if app.request_quit {
+            app.on_exit();
+            break;
+        }
+
         app.maybe_advance();
-        app.tick_status();  // ← автосброс статуса через 2 секунды
+        app.tick_status();
         app.player.spectrum.recompute();
         terminal.draw(|f| ui::draw(f, &mut app))?;
 
@@ -63,6 +69,17 @@ fn handle_key(key: KeyEvent, app: &mut App) -> bool {
         return false;
     }
 
+    if app.input_mode == InputMode::Command {
+        match key.code {
+            KeyCode::Esc => app.cancel_command(),
+            KeyCode::Enter => app.commit_command(),
+            KeyCode::Backspace => app.command_pop(),
+            KeyCode::Char(c) => app.command_push(c),
+            _ => {}
+        }
+        return false;
+    }
+
     if ctrl {
         match key.code {
             KeyCode::Right => {
@@ -99,7 +116,16 @@ fn handle_key(key: KeyEvent, app: &mut App) -> bool {
         return false;
     }
 
+    if key.code == KeyCode::Delete {
+        app.delete_selected();
+        return false;
+    }
+
     match key.code {
+        KeyCode::Char(':') => {
+            app.start_command();
+            return false;
+        }
         KeyCode::Char('+') | KeyCode::Char('=') => {
             app.volume_up();
             return false;

src/state.rs

@@ -15,6 +15,9 @@ pub struct SavedState {
     pub shuffle: Option<bool>,
     pub last_playing_path: Option<String>,
     pub last_playing_pos_secs: Option<u64>,
+    /// Дополнительные директории, добавленные через :add
+    #[serde(default)]
+    pub extra_dirs: Vec<String>,
 }
 
 #[derive(Serialize, Deserialize, Clone, Copy, PartialEq, Debug, Default)]
@@ -25,7 +28,7 @@ pub enum RepeatMode {
     One,
 }
 
-fn config_path() -> Option<PathBuf> {
+pub fn config_path() -> Option<PathBuf> {
     dirs::config_dir().map(|p| p.join("rumus").join("state.toml"))
 }
 
@@ -57,35 +60,21 @@ pub fn save(state: &SavedState) {
 
 // ── Кэш плейлиста (bincode) ────────────────────────────────────
 
-#[derive(Serialize, Deserialize)]
-pub struct PlaylistCache {
-    pub source_dir: String,
-    pub tracks: Vec<Track>,
-}
-
-pub fn load_cache(expected_dir: &str) -> Option<Vec<Track>> {
+/// Кэш просто хранит все известные треки. Без привязки к конкретной директории.
+pub fn load_cache() -> Option<Vec<Track>> {
     let path = cache_path()?;
     let bytes = fs::read(&path).ok()?;
-    let cache: PlaylistCache = bincode::deserialize(&bytes).ok()?;
-    if cache.source_dir == expected_dir {
-        Some(cache.tracks)
-    } else {
-        None
-    }
+    bincode::deserialize(&bytes).ok()
 }
 
-pub fn save_cache(source_dir: &str, tracks: &[Track]) {
+pub fn save_cache(tracks: &[Track]) {
     let Some(path) = cache_path() else {
         return;
     };
     if let Some(parent) = path.parent() {
         let _ = fs::create_dir_all(parent);
     }
-    let cache = PlaylistCache {
-        source_dir: source_dir.to_string(),
-        tracks: tracks.to_vec(),
-    };
-    if let Ok(bytes) = bincode::serialize(&cache) {
+    if let Ok(bytes) = bincode::serialize(&tracks.to_vec()) {
         let _ = fs::write(path, bytes);
     }
 }

src/ui.rs

@@ -149,14 +149,20 @@ fn draw_right_panel(f: &mut Frame, app: &mut App, area: Rect) {
                 } else {
                     Style::default()
                 };
+				
+                let left = format!("  {}{}{}", marker, num, title);
+                let inner_width = area.width.saturating_sub(4) as usize;
+                
+                let left_len = left.chars().count();
+                let dur_len = dur.chars().count();
+                let pad = inner_width
+                .saturating_sub(left_len + dur_len)
+                .max(1);
 
                 ListItem::new(Line::from(vec![
-                    Span::raw("  "),
-                    Span::raw(marker),
-                    Span::styled(format!("{}{}", num, title), style),
-                    Span::raw("  "),
-					// цвет таймера
-                    Span::styled(dur, Style::default().fg(Color::DarkGray)),
+                    Span::styled(left, style),
+                    Span::raw(" ".repeat(pad)),
+                    Span::styled(dur, style),
                 ]))
             }
         })
@@ -247,13 +253,13 @@ fn draw_equalizer(f: &mut Frame, app: &App, area: Rect) {
     }
 
     let bars: Vec<Bar> = display
-    .iter()
-    .map(|&v| {
-        Bar::default()
-            .value((v * 100.0) as u64)
-            .style(Style::default().fg(Color::Rgb(100, 149, 237)))
-    })
-    .collect();
+        .iter()
+        .map(|&v| {
+            Bar::default()
+                .value((v * 100.0) as u64)
+                .style(Style::default().fg(Color::Rgb(100, 149, 237)))
+        })
+        .collect();
 
     let chart = BarChart::default()
         .data(BarGroup::default().bars(&bars))
@@ -282,11 +288,13 @@ fn draw_status(f: &mut Frame, app: &App, area: Rect) {
         ])
         .split(area);
 
-    let (status_text, status_title) = if app.input_mode == InputMode::Search {
-        (format!("> {}", app.search_buffer), " Поиск ")
-    } else {
-        let prefix = if app.player.is_paused() { "|| " } else { "   " };
-        (format!("{}{}", prefix, app.status), " Статус ")
+    let (status_text, status_title) = match app.input_mode {
+        InputMode::Search => (format!("> {}", app.search_buffer), " Поиск "),
+        InputMode::Command => (format!(":{}", app.command_buffer), " Команда "),
+        InputMode::Normal => {
+            let prefix = if app.player.is_paused() { "|| " } else { "   " };
+            (format!("{}{}", prefix, app.status), " Статус ")
+        }
     };
 
     let status = Paragraph::new(status_text)
@@ -327,8 +335,8 @@ fn draw_status(f: &mut Frame, app: &App, area: Rect) {
 }
 
 fn draw_help(f: &mut Frame, screen: Rect) {
-    let width = 60u16.min(screen.width.saturating_sub(4));
-    let height = 34u16.min(screen.height.saturating_sub(4));
+    let width = 62u16.min(screen.width.saturating_sub(4));
+    let height = 40u16.min(screen.height.saturating_sub(4));
 
     let x = (screen.width.saturating_sub(width)) / 2;
     let y = (screen.height.saturating_sub(height)) / 2;
@@ -368,9 +376,17 @@ fn draw_help(f: &mut Frame, screen: Rect) {
         Line::from("  d / →          +5 секунд"),
         Line::from("  1..9           перейти к 10%..90% трека"),
         Line::from(""),
+        Line::from(Span::styled("  Команды", header)),
+        Line::from("  :add <путь>    добавить директорию"),
+        Line::from("  :reload        пересканировать всё"),
+        Line::from("  :save          сохранить библиотеку"),
+        Line::from("  :help          эта справка"),
+        Line::from("  :q             выход"),
+        Line::from(""),
         Line::from(Span::styled("  Звук и прочее", header)),
         Line::from("  + / -          громкость"),
         Line::from("  /              поиск"),
+        Line::from("  Del            удалить из списка"),
         Line::from("  t              сортировка: артист → альбом → файл"),
         Line::from("  F1             эта справка"),
         Line::from("  q / Esc        выход"),