| 1 | //! Session resume picker view for the TUI. |
| 2 | |
| 3 | use std::cell::Cell; |
| 4 | use std::collections::HashMap; |
| 5 | |
| 6 | use chrono::{DateTime, Local}; |
| 7 | use crossterm::event::{KeyCode, KeyEvent}; |
| 8 | use ratatui::{ |
| 9 | buffer::Buffer, |
| 10 | layout::{Constraint, Direction, Layout, Rect}, |
| 11 | style::{Modifier, Style}, |
| 12 | text::{Line, Span}, |
| 13 | widgets::{Block, Borders, Clear, Padding, Paragraph, Widget, Wrap}, |
| 14 | }; |
| 15 | use unicode_width::{UnicodeWidthChar, UnicodeWidthStr}; |
| 16 | |
| 17 | use crate::palette; |
| 18 | use crate::session_manager::{SavedSession, SessionManager, SessionMetadata}; |
| 19 | use crate::tui::views::{ModalKind, ModalView, ViewAction, ViewEvent}; |
| 20 | |
| 21 | fn modal_block(title: &str) -> Block<'static> { |
| 22 | Block::default() |
| 23 | .title(Line::from(vec![Span::styled( |
| 24 | title.to_string(), |
| 25 | Style::default() |
| 26 | .fg(palette::DEEPSEEK_BLUE) |
| 27 | .add_modifier(Modifier::BOLD), |
| 28 | )])) |
| 29 | .borders(Borders::ALL) |
| 30 | .border_style(Style::default().fg(palette::BORDER_COLOR)) |
| 31 | .padding(Padding::uniform(1)) |
| 32 | } |
| 33 | |
| 34 | #[derive(Debug, Clone, Copy)] |
| 35 | enum SortMode { |
| 36 | Recent, |
| 37 | Name, |
| 38 | Size, |
| 39 | } |
| 40 | |
| 41 | pub struct SessionPickerView { |
| 42 | sessions: Vec<SessionMetadata>, |
| 43 | filtered: Vec<SessionMetadata>, |
| 44 | selected: usize, |
| 45 | list_scroll: Cell<usize>, |
| 46 | list_visible_rows: Cell<usize>, |
| 47 | search_input: String, |
| 48 | search_mode: bool, |
| 49 | sort_mode: SortMode, |
| 50 | preview_cache: HashMap<String, Vec<String>>, |
| 51 | current_preview: Vec<String>, |
| 52 | confirm_delete: bool, |
| 53 | status: Option<String>, |
| 54 | } |
| 55 | |
| 56 | impl SessionPickerView { |
| 57 | pub fn new() -> Self { |
| 58 | let sessions = SessionManager::default_location() |
| 59 | .and_then(|manager| manager.list_sessions()) |
| 60 | .unwrap_or_default(); |
| 61 | |
| 62 | let mut view = Self { |
| 63 | sessions, |
| 64 | filtered: Vec::new(), |
| 65 | selected: 0, |
| 66 | list_scroll: Cell::new(0), |
| 67 | list_visible_rows: Cell::new(8), |
| 68 | search_input: String::new(), |
| 69 | search_mode: false, |
| 70 | sort_mode: SortMode::Recent, |
| 71 | preview_cache: HashMap::new(), |
| 72 | current_preview: Vec::new(), |
| 73 | confirm_delete: false, |
| 74 | status: None, |
| 75 | }; |
| 76 | view.apply_sort_and_filter(); |
| 77 | view.refresh_preview(); |
| 78 | view |
| 79 | } |
| 80 | |
| 81 | fn apply_sort_and_filter(&mut self) { |
| 82 | match self.sort_mode { |
| 83 | SortMode::Recent => { |
| 84 | self.sessions |
| 85 | .sort_by_key(|s| std::cmp::Reverse(s.updated_at)); |
| 86 | } |
| 87 | SortMode::Name => { |
| 88 | self.sessions.sort_by(|a, b| a.title.cmp(&b.title)); |
| 89 | } |
| 90 | SortMode::Size => { |
| 91 | self.sessions |
| 92 | .sort_by_key(|s| std::cmp::Reverse(s.message_count)); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | let query = self.search_input.trim().to_ascii_lowercase(); |
| 97 | if query.is_empty() { |
| 98 | self.filtered = self.sessions.clone(); |
| 99 | } else { |
| 100 | self.filtered = self |
| 101 | .sessions |
| 102 | .iter() |
| 103 | .filter(|session| fuzzy_match(&query, session)) |
| 104 | .cloned() |
| 105 | .collect(); |
| 106 | } |
| 107 | |
| 108 | if self.selected >= self.filtered.len() { |
| 109 | self.selected = 0; |
| 110 | } |
| 111 | self.ensure_selected_visible(); |
| 112 | |
| 113 | self.refresh_preview(); |
| 114 | } |
| 115 | |
| 116 | fn move_selection(&mut self, delta: isize) { |
| 117 | if self.filtered.is_empty() { |
| 118 | self.selected = 0; |
| 119 | return; |
| 120 | } |
| 121 | let len = self.filtered.len() as isize; |
| 122 | let next = (self.selected as isize + delta).clamp(0, len - 1) as usize; |
| 123 | self.selected = next; |
| 124 | self.ensure_selected_visible(); |
| 125 | self.refresh_preview(); |
| 126 | } |
| 127 | |
| 128 | fn update_list_viewport(&self, visible_rows: usize) { |
| 129 | self.list_visible_rows.set(visible_rows.max(1)); |
| 130 | self.ensure_selected_visible(); |
| 131 | } |
| 132 | |
| 133 | fn ensure_selected_visible(&self) { |
| 134 | if self.filtered.is_empty() { |
| 135 | self.list_scroll.set(0); |
| 136 | return; |
| 137 | } |
| 138 | |
| 139 | let visible_rows = self.list_visible_rows.get().max(1); |
| 140 | let max_scroll = self.filtered.len().saturating_sub(visible_rows); |
| 141 | let mut scroll = self.list_scroll.get().min(max_scroll); |
| 142 | |
| 143 | if self.selected < scroll { |
| 144 | scroll = self.selected; |
| 145 | } else if self.selected >= scroll.saturating_add(visible_rows) { |
| 146 | scroll = self.selected.saturating_add(1).saturating_sub(visible_rows); |
| 147 | } |
| 148 | |
| 149 | self.list_scroll.set(scroll.min(max_scroll)); |
| 150 | } |
| 151 | |
| 152 | fn selected_session(&self) -> Option<&SessionMetadata> { |
| 153 | self.filtered.get(self.selected) |
| 154 | } |
| 155 | |
| 156 | fn cycle_sort(&mut self) { |
| 157 | self.sort_mode = match self.sort_mode { |
| 158 | SortMode::Recent => SortMode::Name, |
| 159 | SortMode::Name => SortMode::Size, |
| 160 | SortMode::Size => SortMode::Recent, |
| 161 | }; |
| 162 | self.apply_sort_and_filter(); |
| 163 | self.status = Some(format!("Sort: {}", self.sort_label())); |
| 164 | } |
| 165 | |
| 166 | fn sort_label(&self) -> &'static str { |
| 167 | match self.sort_mode { |
| 168 | SortMode::Recent => "recent", |
| 169 | SortMode::Name => "name", |
| 170 | SortMode::Size => "size", |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | fn enter_search(&mut self) { |
| 175 | self.search_mode = true; |
| 176 | self.search_input.clear(); |
| 177 | self.status = Some("Search: type to filter, Enter to apply".to_string()); |
| 178 | } |
| 179 | |
| 180 | fn exit_search(&mut self) { |
| 181 | self.search_mode = false; |
| 182 | self.apply_sort_and_filter(); |
| 183 | self.status = None; |
| 184 | } |
| 185 | |
| 186 | fn delete_selected(&mut self) -> Option<ViewEvent> { |
| 187 | let session = self.selected_session().cloned()?; |
| 188 | let manager = SessionManager::default_location().ok()?; |
| 189 | if let Err(err) = manager.delete_session(&session.id) { |
| 190 | self.status = Some(format!("Delete failed: {err}")); |
| 191 | return None; |
| 192 | } |
| 193 | self.sessions.retain(|s| s.id != session.id); |
| 194 | self.apply_sort_and_filter(); |
| 195 | self.refresh_preview(); |
| 196 | self.status = Some(format!( |
| 197 | "Deleted session {}", |
| 198 | crate::session_manager::truncate_id(&session.id) |
| 199 | )); |
| 200 | Some(ViewEvent::SessionDeleted { |
| 201 | session_id: session.id, |
| 202 | title: session.title, |
| 203 | }) |
| 204 | } |
| 205 | |
| 206 | fn refresh_preview(&mut self) { |
| 207 | let Some(session) = self.selected_session() else { |
| 208 | self.current_preview = vec!["No sessions found.".to_string()]; |
| 209 | return; |
| 210 | }; |
| 211 | |
| 212 | if let Some(lines) = self.preview_cache.get(&session.id) { |
| 213 | self.current_preview = lines.clone(); |
| 214 | return; |
| 215 | } |
| 216 | |
| 217 | let manager = match SessionManager::default_location() { |
| 218 | Ok(manager) => manager, |
| 219 | Err(_) => { |
| 220 | self.current_preview = vec!["Failed to open sessions directory.".to_string()]; |
| 221 | return; |
| 222 | } |
| 223 | }; |
| 224 | |
| 225 | let saved = match manager.load_session(&session.id) { |
| 226 | Ok(saved) => saved, |
| 227 | Err(_) => { |
| 228 | self.current_preview = vec!["Failed to load session preview.".to_string()]; |
| 229 | return; |
| 230 | } |
| 231 | }; |
| 232 | |
| 233 | let preview = build_preview_lines(&saved); |
| 234 | self.preview_cache |
| 235 | .insert(session.id.clone(), preview.clone()); |
| 236 | self.current_preview = preview; |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | impl ModalView for SessionPickerView { |
| 241 | fn kind(&self) -> ModalKind { |
| 242 | ModalKind::SessionPicker |
| 243 | } |
| 244 | |
| 245 | fn as_any_mut(&mut self) -> &mut dyn std::any::Any { |
| 246 | self |
| 247 | } |
| 248 | |
| 249 | fn handle_key(&mut self, key: KeyEvent) -> ViewAction { |
| 250 | if self.search_mode { |
| 251 | match key.code { |
| 252 | KeyCode::Enter => { |
| 253 | self.exit_search(); |
| 254 | } |
| 255 | KeyCode::Esc => { |
| 256 | self.exit_search(); |
| 257 | return ViewAction::None; |
| 258 | } |
| 259 | KeyCode::Backspace => { |
| 260 | self.search_input.pop(); |
| 261 | self.apply_sort_and_filter(); |
| 262 | return ViewAction::None; |
| 263 | } |
| 264 | KeyCode::Char(c) => { |
| 265 | self.search_input.push(c); |
| 266 | self.apply_sort_and_filter(); |
| 267 | return ViewAction::None; |
| 268 | } |
| 269 | _ => {} |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | if self.confirm_delete { |
| 274 | match key.code { |
| 275 | KeyCode::Char('y') | KeyCode::Char('Y') => { |
| 276 | self.confirm_delete = false; |
| 277 | if let Some(event) = self.delete_selected() { |
| 278 | return ViewAction::Emit(event); |
| 279 | } |
| 280 | return ViewAction::None; |
| 281 | } |
| 282 | KeyCode::Char('n') | KeyCode::Char('N') | KeyCode::Esc => { |
| 283 | self.confirm_delete = false; |
| 284 | self.status = Some("Delete cancelled".to_string()); |
| 285 | return ViewAction::None; |
| 286 | } |
| 287 | _ => return ViewAction::None, |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | match key.code { |
| 292 | KeyCode::Esc | KeyCode::Char('q') => ViewAction::Close, |
| 293 | KeyCode::Up | KeyCode::Char('k') => { |
| 294 | self.move_selection(-1); |
| 295 | ViewAction::None |
| 296 | } |
| 297 | KeyCode::Down | KeyCode::Char('j') => { |
| 298 | self.move_selection(1); |
| 299 | ViewAction::None |
| 300 | } |
| 301 | KeyCode::PageUp => { |
| 302 | self.move_selection(-5); |
| 303 | ViewAction::None |
| 304 | } |
| 305 | KeyCode::PageDown => { |
| 306 | self.move_selection(5); |
| 307 | ViewAction::None |
| 308 | } |
| 309 | KeyCode::Char('/') => { |
| 310 | self.enter_search(); |
| 311 | ViewAction::None |
| 312 | } |
| 313 | KeyCode::Char('s') | KeyCode::Char('S') => { |
| 314 | self.cycle_sort(); |
| 315 | ViewAction::None |
| 316 | } |
| 317 | KeyCode::Char('d') | KeyCode::Char('D') => { |
| 318 | self.confirm_delete = true; |
| 319 | self.status = Some("Delete session? (y/n)".to_string()); |
| 320 | ViewAction::None |
| 321 | } |
| 322 | KeyCode::Enter => { |
| 323 | if let Some(session) = self.selected_session() { |
| 324 | ViewAction::EmitAndClose(ViewEvent::SessionSelected { |
| 325 | session_id: session.id.clone(), |
| 326 | }) |
| 327 | } else { |
| 328 | ViewAction::None |
| 329 | } |
| 330 | } |
| 331 | _ => ViewAction::None, |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | fn render(&self, area: Rect, buf: &mut Buffer) { |
| 336 | let popup_area = Rect { |
| 337 | x: area.x.saturating_add(1), |
| 338 | y: area.y.saturating_add(1), |
| 339 | width: area.width.saturating_sub(2), |
| 340 | height: area.height.saturating_sub(2), |
| 341 | }; |
| 342 | |
| 343 | Clear.render(popup_area, buf); |
| 344 | |
| 345 | let chunks = Layout::default() |
| 346 | .direction(if popup_area.width < 95 { |
| 347 | Direction::Vertical |
| 348 | } else { |
| 349 | Direction::Horizontal |
| 350 | }) |
| 351 | .constraints([Constraint::Percentage(45), Constraint::Percentage(55)]) |
| 352 | .split(popup_area); |
| 353 | |
| 354 | let list_inner = modal_block(" Sessions ").inner(chunks[0]); |
| 355 | let header_rows = 1 + usize::from(self.confirm_delete || self.status.is_some()); |
| 356 | let footer_rows = usize::from(!self.filtered.is_empty()); |
| 357 | let visible_rows = usize::from(list_inner.height) |
| 358 | .saturating_sub(header_rows + footer_rows) |
| 359 | .max(1); |
| 360 | self.update_list_viewport(visible_rows); |
| 361 | let list_scroll = self.list_scroll.get(); |
| 362 | |
| 363 | let list_lines = build_list_lines( |
| 364 | &self.filtered, |
| 365 | self.selected, |
| 366 | list_inner.width, |
| 367 | list_scroll, |
| 368 | visible_rows, |
| 369 | self.search_mode, |
| 370 | &self.search_input, |
| 371 | self.sort_label(), |
| 372 | self.confirm_delete, |
| 373 | self.status.as_deref(), |
| 374 | ); |
| 375 | let list = Paragraph::new(list_lines) |
| 376 | .block(modal_block(" Sessions ")) |
| 377 | .wrap(Wrap { trim: false }); |
| 378 | list.render(chunks[0], buf); |
| 379 | |
| 380 | let preview_inner = modal_block(" Preview ").inner(chunks[1]); |
| 381 | let preview_lines = format_preview( |
| 382 | &self.current_preview, |
| 383 | preview_inner.width, |
| 384 | preview_inner.height as usize, |
| 385 | ); |
| 386 | |
| 387 | let preview = Paragraph::new(preview_lines) |
| 388 | .block(modal_block(" Preview ")) |
| 389 | .wrap(Wrap { trim: false }); |
| 390 | preview.render(chunks[1], buf); |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | #[allow(clippy::too_many_arguments)] |
| 395 | fn build_list_lines( |
| 396 | sessions: &[SessionMetadata], |
| 397 | selected: usize, |
| 398 | width: u16, |
| 399 | scroll: usize, |
| 400 | visible_rows: usize, |
| 401 | search_mode: bool, |
| 402 | search_input: &str, |
| 403 | sort_label: &str, |
| 404 | confirm_delete: bool, |
| 405 | status: Option<&str>, |
| 406 | ) -> Vec<Line<'static>> { |
| 407 | let mut lines = Vec::new(); |
| 408 | let header = if search_mode { |
| 409 | format!("/{}", search_input) |
| 410 | } else { |
| 411 | format!("Sort: {sort_label} | / search | s sort | d delete") |
| 412 | }; |
| 413 | lines.push(Line::from(Span::styled( |
| 414 | truncate(&header, width), |
| 415 | Style::default().fg(palette::TEXT_MUTED), |
| 416 | ))); |
| 417 | |
| 418 | if confirm_delete { |
| 419 | lines.push(Line::from(Span::styled( |
| 420 | "Confirm delete (y/n)", |
| 421 | Style::default() |
| 422 | .fg(palette::STATUS_WARNING) |
| 423 | .add_modifier(Modifier::BOLD), |
| 424 | ))); |
| 425 | } else if let Some(status) = status { |
| 426 | lines.push(Line::from(Span::styled( |
| 427 | truncate(status, width), |
| 428 | Style::default().fg(palette::DEEPSEEK_SKY), |
| 429 | ))); |
| 430 | } |
| 431 | |
| 432 | if sessions.is_empty() { |
| 433 | lines.push(Line::from(Span::styled( |
| 434 | "No sessions available.", |
| 435 | Style::default().fg(palette::TEXT_MUTED), |
| 436 | ))); |
| 437 | return lines; |
| 438 | } |
| 439 | |
| 440 | for (idx, session) in sessions.iter().enumerate().skip(scroll).take(visible_rows) { |
| 441 | let mut line = format_session_line(session); |
| 442 | line = truncate(&line, width); |
| 443 | let style = if idx == selected { |
| 444 | Style::default() |
| 445 | .fg(palette::SELECTION_TEXT) |
| 446 | .bg(palette::SELECTION_BG) |
| 447 | } else { |
| 448 | Style::default().fg(palette::TEXT_PRIMARY) |
| 449 | }; |
| 450 | lines.push(Line::from(Span::styled(line, style))); |
| 451 | } |
| 452 | |
| 453 | if sessions.len() > visible_rows { |
| 454 | let start = scroll.saturating_add(1); |
| 455 | let end = (scroll + visible_rows).min(sessions.len()); |
| 456 | lines.push(Line::from(Span::styled( |
| 457 | truncate( |
| 458 | &format!("Showing {start}-{end} / {}", sessions.len()), |
| 459 | width, |
| 460 | ), |
| 461 | Style::default().fg(palette::TEXT_DIM), |
| 462 | ))); |
| 463 | } |
| 464 | |
| 465 | lines |
| 466 | } |
| 467 | |
| 468 | fn format_session_line(session: &SessionMetadata) -> String { |
| 469 | let updated = format_relative_time(&session.updated_at); |
| 470 | let title = truncate(&session.title, 32); |
| 471 | let mode = session |
| 472 | .mode |
| 473 | .as_deref() |
| 474 | .unwrap_or("unknown") |
| 475 | .to_ascii_lowercase(); |
| 476 | format!( |
| 477 | "{} | {} | {} msgs | {} | {}", |
| 478 | crate::session_manager::truncate_id(&session.id), |
| 479 | title, |
| 480 | session.message_count, |
| 481 | mode, |
| 482 | updated |
| 483 | ) |
| 484 | } |
| 485 | |
| 486 | fn build_preview_lines(session: &SavedSession) -> Vec<String> { |
| 487 | let mut out = Vec::new(); |
| 488 | out.push(format!("Title: {}", session.metadata.title)); |
| 489 | out.push(format!( |
| 490 | "Updated: {}", |
| 491 | session |
| 492 | .metadata |
| 493 | .updated_at |
| 494 | .with_timezone(&Local) |
| 495 | .format("%Y-%m-%d %H:%M") |
| 496 | )); |
| 497 | out.push(format!( |
| 498 | "Messages: {} | Model: {}", |
| 499 | session.metadata.message_count, session.metadata.model |
| 500 | )); |
| 501 | if let Some(mode) = session.metadata.mode.as_deref() { |
| 502 | out.push(format!("Mode: {}", mode)); |
| 503 | } |
| 504 | out.push("".to_string()); |
| 505 | |
| 506 | for message in session.messages.iter().take(6) { |
| 507 | let role = message.role.to_ascii_uppercase(); |
| 508 | let mut text = String::new(); |
| 509 | for block in &message.content { |
| 510 | if let crate::models::ContentBlock::Text { text: body, .. } = block { |
| 511 | text.push_str(body); |
| 512 | } |
| 513 | } |
| 514 | let preview = truncate(&text.replace('\n', " "), 120); |
| 515 | out.push(format!("{role}: {preview}")); |
| 516 | } |
| 517 | out |
| 518 | } |
| 519 | |
| 520 | fn format_preview(lines: &[String], width: u16, height: usize) -> Vec<Line<'static>> { |
| 521 | let mut out = Vec::new(); |
| 522 | let available = height.saturating_sub(2).max(1); |
| 523 | for line in lines.iter().take(available) { |
| 524 | out.push(Line::from(Span::styled( |
| 525 | truncate(line, width), |
| 526 | Style::default().fg(palette::TEXT_PRIMARY), |
| 527 | ))); |
| 528 | } |
| 529 | out |
| 530 | } |
| 531 | |
| 532 | fn format_relative_time(dt: &DateTime<chrono::Utc>) -> String { |
| 533 | let now = chrono::Utc::now(); |
| 534 | let duration = now.signed_duration_since(*dt); |
| 535 | if duration.num_minutes() < 1 { |
| 536 | "just now".to_string() |
| 537 | } else if duration.num_hours() < 1 { |
| 538 | format!("{}m ago", duration.num_minutes()) |
| 539 | } else if duration.num_days() < 1 { |
| 540 | format!("{}h ago", duration.num_hours()) |
| 541 | } else { |
| 542 | format!("{}d ago", duration.num_days()) |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | fn truncate(text: &str, width: u16) -> String { |
| 547 | let max = width.max(1) as usize; |
| 548 | if text.width() <= max { |
| 549 | return text.to_string(); |
| 550 | } |
| 551 | let mut out = String::new(); |
| 552 | let mut current = 0; |
| 553 | for ch in text.chars() { |
| 554 | let w = ch.width().unwrap_or(0); |
| 555 | if current + w >= max.saturating_sub(3) { |
| 556 | break; |
| 557 | } |
| 558 | out.push(ch); |
| 559 | current += w; |
| 560 | } |
| 561 | out.push_str("..."); |
| 562 | out |
| 563 | } |
| 564 | |
| 565 | fn fuzzy_match(query: &str, session: &SessionMetadata) -> bool { |
| 566 | let haystack = format!( |
| 567 | "{} {} {}", |
| 568 | session.title, |
| 569 | session.id, |
| 570 | session.workspace.display() |
| 571 | ) |
| 572 | .to_ascii_lowercase(); |
| 573 | if haystack.contains(query) { |
| 574 | return true; |
| 575 | } |
| 576 | is_subsequence(query, &haystack) |
| 577 | } |
| 578 | |
| 579 | fn is_subsequence(needle: &str, haystack: &str) -> bool { |
| 580 | let mut chars = needle.chars(); |
| 581 | let mut current = match chars.next() { |
| 582 | Some(c) => c, |
| 583 | None => return true, |
| 584 | }; |
| 585 | for ch in haystack.chars() { |
| 586 | if ch == current { |
| 587 | if let Some(next) = chars.next() { |
| 588 | current = next; |
| 589 | } else { |
| 590 | return true; |
| 591 | } |
| 592 | } |
| 593 | } |
| 594 | false |
| 595 | } |
| 596 | |
| 597 | #[cfg(test)] |
| 598 | mod tests { |
| 599 | use super::*; |
| 600 | use chrono::Utc; |
| 601 | use unicode_width::UnicodeWidthStr; |
| 602 | |
| 603 | fn test_session(idx: usize, title: &str) -> SessionMetadata { |
| 604 | SessionMetadata { |
| 605 | id: format!("session-{idx:02}"), |
| 606 | title: title.to_string(), |
| 607 | created_at: Utc::now(), |
| 608 | updated_at: Utc::now(), |
| 609 | message_count: idx + 1, |
| 610 | total_tokens: 100, |
| 611 | model: "deepseek-v4-pro".to_string(), |
| 612 | workspace: std::path::PathBuf::from("/tmp"), |
| 613 | mode: Some("agent".to_string()), |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | #[test] |
| 618 | fn build_list_lines_truncates_to_list_pane_width() { |
| 619 | let sessions = vec![test_session( |
| 620 | 1, |
| 621 | "A very long title that should be truncated by the list pane width", |
| 622 | )]; |
| 623 | let width = 24; |
| 624 | let lines = build_list_lines(&sessions, 0, width, 0, 5, false, "", "recent", false, None); |
| 625 | |
| 626 | for line in lines { |
| 627 | let rendered_width: usize = line.spans.iter().map(|span| span.content.width()).sum(); |
| 628 | assert!( |
| 629 | rendered_width <= width as usize, |
| 630 | "line width {} exceeded pane width {}", |
| 631 | rendered_width, |
| 632 | width |
| 633 | ); |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | #[test] |
| 638 | fn ensure_selected_visible_updates_scroll_window() { |
| 639 | let sessions = (0..10) |
| 640 | .map(|idx| test_session(idx, &format!("Session {idx}"))) |
| 641 | .collect::<Vec<_>>(); |
| 642 | |
| 643 | let mut view = SessionPickerView { |
| 644 | sessions: sessions.clone(), |
| 645 | filtered: sessions, |
| 646 | selected: 0, |
| 647 | list_scroll: Cell::new(0), |
| 648 | list_visible_rows: Cell::new(3), |
| 649 | search_input: String::new(), |
| 650 | search_mode: false, |
| 651 | sort_mode: SortMode::Recent, |
| 652 | preview_cache: HashMap::new(), |
| 653 | current_preview: Vec::new(), |
| 654 | confirm_delete: false, |
| 655 | status: None, |
| 656 | }; |
| 657 | |
| 658 | view.selected = 6; |
| 659 | view.ensure_selected_visible(); |
| 660 | assert_eq!(view.list_scroll.get(), 4); |
| 661 | |
| 662 | view.selected = 1; |
| 663 | view.ensure_selected_visible(); |
| 664 | assert_eq!(view.list_scroll.get(), 1); |
| 665 | |
| 666 | view.selected = 9; |
| 667 | view.ensure_selected_visible(); |
| 668 | assert_eq!(view.list_scroll.get(), 7); |
| 669 | } |
| 670 | } |
| 671 |