| 1 | //! Full-screen pager overlay for long outputs. |
| 2 | //! |
| 3 | //! Vim-style key bindings (mirroring the codex pager_overlay): |
| 4 | //! - `j` / Down — scroll down one line |
| 5 | //! - `k` / Up — scroll up one line |
| 6 | //! - `g g` / Home — jump to top |
| 7 | //! - `G` / End — jump to bottom |
| 8 | //! - `Ctrl+D` — half-page down |
| 9 | //! - `Ctrl+U` — half-page up |
| 10 | //! - `Ctrl+F` / PageDown / Space — full page down |
| 11 | //! - `Ctrl+B` / PageUp / Shift+Space — full page up |
| 12 | //! - `/` — start search; `n` / `N` — next / previous match |
| 13 | //! - `c` / `y` — copy the entire pager body to the system clipboard |
| 14 | //! - `a` — copy the attached final assistant answer (answer-carrying pagers) |
| 15 | //! - `e` — copy the attached turn handoff markdown (Turn Inspector only) |
| 16 | //! - `q` / Esc — close pager |
| 17 | |
| 18 | use std::cell::Cell; |
| 19 | |
| 20 | use crossterm::event::{ |
| 21 | KeyCode, KeyEvent, KeyEventKind, KeyModifiers, MouseButton, MouseEvent, MouseEventKind, |
| 22 | }; |
| 23 | use ratatui::{ |
| 24 | buffer::Buffer, |
| 25 | layout::Rect, |
| 26 | style::{Color, Modifier, Style}, |
| 27 | text::{Line, Span}, |
| 28 | widgets::{Paragraph, Widget, Wrap}, |
| 29 | }; |
| 30 | use unicode_width::{UnicodeWidthChar, UnicodeWidthStr}; |
| 31 | |
| 32 | use crate::tui::views::{ |
| 33 | ActionHint, ModalKind, ModalView, ViewAction, ViewEvent, action_footer_lines, |
| 34 | render_modal_footer, render_panel_scroll_rail, render_underwater_surface, |
| 35 | }; |
| 36 | use codewhale_palette as palette; |
| 37 | |
| 38 | #[derive(Debug, Clone)] |
| 39 | struct PagerDestructiveAction { |
| 40 | key: char, |
| 41 | label: String, |
| 42 | confirm_label: String, |
| 43 | event: ViewEvent, |
| 44 | armed: bool, |
| 45 | } |
| 46 | |
| 47 | /// One independently copyable document in a pager. Most pagers contain a |
| 48 | /// single page; Turn Inspector uses several so each turn stays isolated while |
| 49 | /// retaining the pager's existing scroll/search/copy behavior. |
| 50 | #[derive(Debug, Clone)] |
| 51 | pub(crate) struct PagerPage { |
| 52 | title: String, |
| 53 | lines: Vec<Line<'static>>, |
| 54 | plain_lines: Vec<String>, |
| 55 | export_markdown: Option<String>, |
| 56 | copy_text: Option<String>, |
| 57 | answer_text: Option<String>, |
| 58 | } |
| 59 | |
| 60 | impl PagerPage { |
| 61 | pub(crate) fn from_text(title: impl Into<String>, text: &str, width: u16) -> Self { |
| 62 | // Pager bodies frequently carry tool output or worker transcripts. |
| 63 | // Keep the same terminal-injection boundary as the single-page path. |
| 64 | let mut sanitized = String::with_capacity(text.len()); |
| 65 | crate::tui::osc8::strip_ansi_into(text, &mut sanitized); |
| 66 | let mut lines = Vec::new(); |
| 67 | for raw in sanitized.lines() { |
| 68 | for wrapped in wrap_text(raw, width.max(1) as usize) { |
| 69 | lines.push(Line::from(Span::raw(wrapped))); |
| 70 | } |
| 71 | } |
| 72 | let plain_lines = lines.iter().map(line_to_string).collect(); |
| 73 | Self { |
| 74 | title: title.into(), |
| 75 | lines, |
| 76 | plain_lines, |
| 77 | export_markdown: None, |
| 78 | copy_text: None, |
| 79 | answer_text: None, |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | pub(crate) fn with_export_markdown(mut self, markdown: impl Into<String>) -> Self { |
| 84 | self.export_markdown = Some(markdown.into()); |
| 85 | self |
| 86 | } |
| 87 | |
| 88 | pub(crate) fn with_copy_text(mut self, text: impl Into<String>) -> Self { |
| 89 | self.copy_text = Some(text.into()); |
| 90 | self |
| 91 | } |
| 92 | |
| 93 | /// Attach the clean final assistant answer that the `a` key copies to |
| 94 | /// the clipboard. Only surfaces that can produce an answer-only payload |
| 95 | /// (Turn Inspector pages, assistant detail pagers) set this; the pager |
| 96 | /// body itself stays free to render scaffolding around the answer. |
| 97 | pub(crate) fn with_copy_answer(mut self, text: impl Into<String>) -> Self { |
| 98 | self.answer_text = Some(text.into()); |
| 99 | self |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | pub struct PagerView { |
| 104 | pages: Vec<PagerPage>, |
| 105 | page_index: usize, |
| 106 | scroll: usize, |
| 107 | search_input: String, |
| 108 | search_matches: Vec<usize>, |
| 109 | search_index: usize, |
| 110 | search_mode: bool, |
| 111 | pending_g: bool, |
| 112 | /// Cached visible content height from the last render. Used by paging |
| 113 | /// keys (Ctrl+D/U, Ctrl+F/B, Space, etc.) to compute scroll deltas |
| 114 | /// without access to the render area. |
| 115 | last_visible_height: Cell<usize>, |
| 116 | /// Optional inspector-owned destructive action. It requires two presses |
| 117 | /// (or key then Enter); Esc disarms before it closes the pager. |
| 118 | destructive_action: Option<PagerDestructiveAction>, |
| 119 | action_area: Cell<Option<Rect>>, |
| 120 | } |
| 121 | |
| 122 | impl PagerView { |
| 123 | pub fn new(title: impl Into<String>, lines: Vec<Line<'static>>) -> Self { |
| 124 | let plain_lines = lines.iter().map(line_to_string).collect(); |
| 125 | Self { |
| 126 | pages: vec![PagerPage { |
| 127 | title: title.into(), |
| 128 | lines, |
| 129 | plain_lines, |
| 130 | export_markdown: None, |
| 131 | copy_text: None, |
| 132 | answer_text: None, |
| 133 | }], |
| 134 | page_index: 0, |
| 135 | scroll: 0, |
| 136 | search_input: String::new(), |
| 137 | search_matches: Vec::new(), |
| 138 | search_index: 0, |
| 139 | search_mode: false, |
| 140 | pending_g: false, |
| 141 | last_visible_height: Cell::new(0), |
| 142 | destructive_action: None, |
| 143 | action_area: Cell::new(None), |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | /// Build an opt-in multi-page pager and open the requested page. Page |
| 148 | /// switching is deliberately unavailable to ordinary one-page pagers. |
| 149 | pub(crate) fn from_pages(pages: Vec<PagerPage>, initial_page: usize) -> Self { |
| 150 | assert!(!pages.is_empty(), "a pager needs at least one page"); |
| 151 | let page_index = initial_page.min(pages.len().saturating_sub(1)); |
| 152 | Self { |
| 153 | pages, |
| 154 | page_index, |
| 155 | scroll: 0, |
| 156 | search_input: String::new(), |
| 157 | search_matches: Vec::new(), |
| 158 | search_index: 0, |
| 159 | search_mode: false, |
| 160 | pending_g: false, |
| 161 | last_visible_height: Cell::new(0), |
| 162 | destructive_action: None, |
| 163 | action_area: Cell::new(None), |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | /// Attach a compact Markdown export (e.g. the #4108 turn handoff) that the |
| 168 | /// `e` key copies to the clipboard. Only the Turn Inspector pager sets this; |
| 169 | /// other pagers leave `e` inert. |
| 170 | #[cfg(test)] |
| 171 | pub fn with_export_markdown(mut self, markdown: impl Into<String>) -> Self { |
| 172 | self.current_page_mut().export_markdown = Some(markdown.into()); |
| 173 | self |
| 174 | } |
| 175 | |
| 176 | /// Preserve a source-faithful payload for `c` / `y` while the rendered |
| 177 | /// pager remains free to wrap content to its viewport. |
| 178 | pub fn with_copy_text(mut self, text: impl Into<String>) -> Self { |
| 179 | self.current_page_mut().copy_text = Some(text.into()); |
| 180 | self |
| 181 | } |
| 182 | |
| 183 | /// Attach the clean final assistant answer that the `a` key copies |
| 184 | /// (see [`PagerPage::with_copy_answer`]). |
| 185 | pub fn with_copy_answer(mut self, text: impl Into<String>) -> Self { |
| 186 | self.current_page_mut().answer_text = Some(text.into()); |
| 187 | self |
| 188 | } |
| 189 | |
| 190 | /// Attach a two-step destructive action to this pager. Work Graph |
| 191 | /// inspectors use this to keep Stop inside the detail surface while |
| 192 | /// reusing the existing command/agent cancellation events. |
| 193 | pub fn with_destructive_action( |
| 194 | mut self, |
| 195 | key: char, |
| 196 | label: impl Into<String>, |
| 197 | confirm_label: impl Into<String>, |
| 198 | event: ViewEvent, |
| 199 | ) -> Self { |
| 200 | self.destructive_action = Some(PagerDestructiveAction { |
| 201 | key, |
| 202 | label: label.into(), |
| 203 | confirm_label: confirm_label.into(), |
| 204 | event, |
| 205 | armed: false, |
| 206 | }); |
| 207 | self |
| 208 | } |
| 209 | |
| 210 | pub fn from_text(title: impl Into<String>, text: &str, width: u16) -> Self { |
| 211 | Self::from_pages(vec![PagerPage::from_text(title, text, width)], 0) |
| 212 | } |
| 213 | |
| 214 | /// Reuse the inspector confirmation control for token-bound commands. |
| 215 | /// Copy exposes the exact command; confirmation dispatches it unchanged. |
| 216 | pub(crate) fn command_review( |
| 217 | title: impl Into<String>, |
| 218 | text: &str, |
| 219 | width: u16, |
| 220 | command: String, |
| 221 | locale: codewhale_localization::Locale, |
| 222 | ) -> Self { |
| 223 | let confirm = codewhale_localization::tr( |
| 224 | locale, |
| 225 | codewhale_localization::MessageId::PagerActionConfirm, |
| 226 | ) |
| 227 | .into_owned(); |
| 228 | Self::from_text(title, text, width) |
| 229 | .with_copy_text(command.clone()) |
| 230 | .with_destructive_action( |
| 231 | 'y', |
| 232 | confirm.clone(), |
| 233 | confirm, |
| 234 | ViewEvent::CommandPaletteSelected { |
| 235 | action: crate::tui::views::CommandPaletteAction::ExecuteCommand { command }, |
| 236 | }, |
| 237 | ) |
| 238 | } |
| 239 | |
| 240 | fn activate_destructive_action(&mut self) -> ViewAction { |
| 241 | self.pending_g = false; |
| 242 | let Some(action) = self.destructive_action.as_mut() else { |
| 243 | return ViewAction::None; |
| 244 | }; |
| 245 | if action.armed { |
| 246 | ViewAction::EmitAndClose(action.event.clone()) |
| 247 | } else { |
| 248 | action.armed = true; |
| 249 | ViewAction::None |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | fn current_page(&self) -> &PagerPage { |
| 254 | &self.pages[self.page_index] |
| 255 | } |
| 256 | |
| 257 | fn current_page_mut(&mut self) -> &mut PagerPage { |
| 258 | &mut self.pages[self.page_index] |
| 259 | } |
| 260 | |
| 261 | fn switch_page(&mut self, page_index: usize) { |
| 262 | let page_index = page_index.min(self.pages.len().saturating_sub(1)); |
| 263 | if page_index == self.page_index { |
| 264 | return; |
| 265 | } |
| 266 | self.page_index = page_index; |
| 267 | self.scroll = 0; |
| 268 | self.search_input.clear(); |
| 269 | self.search_matches.clear(); |
| 270 | self.search_index = 0; |
| 271 | self.search_mode = false; |
| 272 | self.pending_g = false; |
| 273 | } |
| 274 | |
| 275 | fn scroll_up(&mut self, amount: usize) { |
| 276 | self.scroll = self.scroll.saturating_sub(amount); |
| 277 | } |
| 278 | |
| 279 | fn scroll_down(&mut self, amount: usize, max_scroll: usize) { |
| 280 | self.scroll = (self.scroll + amount).min(max_scroll); |
| 281 | } |
| 282 | |
| 283 | fn scroll_to_top(&mut self) { |
| 284 | self.scroll = 0; |
| 285 | } |
| 286 | |
| 287 | fn scroll_to_bottom(&mut self, max_scroll: usize) { |
| 288 | self.scroll = max_scroll; |
| 289 | } |
| 290 | |
| 291 | /// Plain-text rendered body of the pager joined with `\n`. This reflects |
| 292 | /// width-based display wrapping. Clipboard events use this by default; |
| 293 | /// pagers with a source-faithful override use that payload instead. |
| 294 | pub fn body_text(&self) -> String { |
| 295 | self.current_page().plain_lines.join("\n") |
| 296 | } |
| 297 | |
| 298 | fn clipboard_text(&self) -> String { |
| 299 | self.current_page() |
| 300 | .copy_text |
| 301 | .clone() |
| 302 | .unwrap_or_else(|| self.body_text()) |
| 303 | } |
| 304 | |
| 305 | /// The pager's title bar text. Used by tests to assert the raw-detail |
| 306 | /// pager is framed at leaf scope (#4105). |
| 307 | #[cfg(test)] |
| 308 | pub(crate) fn title(&self) -> &str { |
| 309 | &self.current_page().title |
| 310 | } |
| 311 | |
| 312 | /// Return the page height (in lines) used for paging keys. |
| 313 | /// |
| 314 | /// Falls back to a small constant (10) before the first render so the |
| 315 | /// pager still responds to paging keys when invoked synthetically (e.g. |
| 316 | /// in unit tests). After the first render, the cached value reflects |
| 317 | /// the actual visible content area. |
| 318 | fn page_height(&self) -> usize { |
| 319 | let cached = self.last_visible_height.get(); |
| 320 | if cached == 0 { 10 } else { cached } |
| 321 | } |
| 322 | |
| 323 | /// Half a page, rounded up so a single press always moves at least one line. |
| 324 | fn half_page_height(&self) -> usize { |
| 325 | let page = self.page_height(); |
| 326 | page.div_ceil(2).max(1) |
| 327 | } |
| 328 | |
| 329 | fn max_scroll(&self) -> usize { |
| 330 | // Match the render-side clamp so G/End land at the visible bottom and |
| 331 | // k/Up immediately scroll back up by one line. |
| 332 | self.current_page() |
| 333 | .lines |
| 334 | .len() |
| 335 | .saturating_sub(self.page_height()) |
| 336 | } |
| 337 | |
| 338 | fn start_search(&mut self) { |
| 339 | self.search_mode = true; |
| 340 | self.search_input.clear(); |
| 341 | self.search_matches.clear(); |
| 342 | self.search_index = 0; |
| 343 | } |
| 344 | |
| 345 | fn update_search_matches(&mut self) { |
| 346 | let query = self.search_input.trim(); |
| 347 | if query.is_empty() { |
| 348 | self.search_matches.clear(); |
| 349 | self.search_index = 0; |
| 350 | return; |
| 351 | } |
| 352 | let lower = query.to_ascii_lowercase(); |
| 353 | self.search_matches = self |
| 354 | .current_page() |
| 355 | .plain_lines |
| 356 | .iter() |
| 357 | .enumerate() |
| 358 | .filter_map(|(idx, line)| { |
| 359 | if line.to_ascii_lowercase().contains(&lower) { |
| 360 | Some(idx) |
| 361 | } else { |
| 362 | None |
| 363 | } |
| 364 | }) |
| 365 | .collect(); |
| 366 | self.search_index = 0; |
| 367 | } |
| 368 | |
| 369 | fn jump_to_match(&mut self) { |
| 370 | if let Some(&line) = self.search_matches.get(self.search_index) { |
| 371 | self.scroll = line; |
| 372 | } |
| 373 | } |
| 374 | |
| 375 | fn next_match(&mut self) { |
| 376 | if self.search_matches.is_empty() { |
| 377 | return; |
| 378 | } |
| 379 | self.search_index = (self.search_index + 1) % self.search_matches.len(); |
| 380 | self.jump_to_match(); |
| 381 | } |
| 382 | |
| 383 | fn prev_match(&mut self) { |
| 384 | if self.search_matches.is_empty() { |
| 385 | return; |
| 386 | } |
| 387 | if self.search_index == 0 { |
| 388 | self.search_index = self.search_matches.len().saturating_sub(1); |
| 389 | } else { |
| 390 | self.search_index = self.search_index.saturating_sub(1); |
| 391 | } |
| 392 | self.jump_to_match(); |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | impl ModalView for PagerView { |
| 397 | fn kind(&self) -> ModalKind { |
| 398 | ModalKind::Pager |
| 399 | } |
| 400 | |
| 401 | fn as_any_mut(&mut self) -> &mut dyn std::any::Any { |
| 402 | self |
| 403 | } |
| 404 | |
| 405 | fn handle_key(&mut self, key: KeyEvent) -> ViewAction { |
| 406 | if self.search_mode { |
| 407 | match key.code { |
| 408 | KeyCode::Enter => { |
| 409 | self.search_mode = false; |
| 410 | self.update_search_matches(); |
| 411 | self.jump_to_match(); |
| 412 | return ViewAction::None; |
| 413 | } |
| 414 | KeyCode::Esc => { |
| 415 | // Bail out of search mode AND drop the current match list |
| 416 | // so the user gets back to the un-highlighted view — |
| 417 | // codex-style behavior. To resume from where they left |
| 418 | // off they re-enter `/` and re-type. |
| 419 | self.search_mode = false; |
| 420 | self.search_input.clear(); |
| 421 | self.search_matches.clear(); |
| 422 | self.search_index = 0; |
| 423 | return ViewAction::None; |
| 424 | } |
| 425 | KeyCode::Backspace => { |
| 426 | self.search_input.pop(); |
| 427 | return ViewAction::None; |
| 428 | } |
| 429 | // Ctrl+H is the legacy ASCII backspace many terminals emit. |
| 430 | KeyCode::Char('h') |
| 431 | if key.modifiers.contains(KeyModifiers::CONTROL) |
| 432 | && !key.modifiers.contains(KeyModifiers::ALT) => |
| 433 | { |
| 434 | self.search_input.pop(); |
| 435 | return ViewAction::None; |
| 436 | } |
| 437 | KeyCode::Char(c) => { |
| 438 | self.search_input.push(c); |
| 439 | return ViewAction::None; |
| 440 | } |
| 441 | // All other keys (Up/Down, PageUp/PageDown, etc.) are captured |
| 442 | // in search mode so they don't fall through to the pager body. |
| 443 | _ => return ViewAction::None, |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | if let Some(action) = self.destructive_action.as_mut() { |
| 448 | if key.code == KeyCode::Esc && action.armed { |
| 449 | action.armed = false; |
| 450 | self.pending_g = false; |
| 451 | return ViewAction::None; |
| 452 | } |
| 453 | let matching_key = |
| 454 | matches!(key.code, KeyCode::Char(ch) if ch.eq_ignore_ascii_case(&action.key)); |
| 455 | if matching_key || (key.code == KeyCode::Enter && action.armed) { |
| 456 | if key.kind != KeyEventKind::Press |
| 457 | || !key.modifiers.difference(KeyModifiers::SHIFT).is_empty() |
| 458 | { |
| 459 | return ViewAction::None; |
| 460 | } |
| 461 | return self.activate_destructive_action(); |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | let ctrl = key.modifiers.contains(KeyModifiers::CONTROL); |
| 466 | let shift = key.modifiers.contains(KeyModifiers::SHIFT); |
| 467 | let max_scroll = self.max_scroll(); |
| 468 | |
| 469 | // Ctrl+chord paging keys are matched first because their KeyCode |
| 470 | // also matches the bare `KeyCode::Char(c)` arms below. |
| 471 | if ctrl { |
| 472 | match key.code { |
| 473 | KeyCode::Char('d') | KeyCode::Char('D') => { |
| 474 | self.scroll_down(self.half_page_height(), max_scroll); |
| 475 | self.pending_g = false; |
| 476 | return ViewAction::None; |
| 477 | } |
| 478 | KeyCode::Char('u') | KeyCode::Char('U') => { |
| 479 | self.scroll_up(self.half_page_height()); |
| 480 | self.pending_g = false; |
| 481 | return ViewAction::None; |
| 482 | } |
| 483 | KeyCode::Char('f') | KeyCode::Char('F') => { |
| 484 | self.scroll_down(self.page_height(), max_scroll); |
| 485 | self.pending_g = false; |
| 486 | return ViewAction::None; |
| 487 | } |
| 488 | KeyCode::Char('b') | KeyCode::Char('B') => { |
| 489 | self.scroll_up(self.page_height()); |
| 490 | self.pending_g = false; |
| 491 | return ViewAction::None; |
| 492 | } |
| 493 | _ => {} |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | match key.code { |
| 498 | KeyCode::Esc | KeyCode::Char('q') => ViewAction::Close, |
| 499 | KeyCode::Left if self.pages.len() > 1 => { |
| 500 | self.switch_page(self.page_index.saturating_sub(1)); |
| 501 | ViewAction::None |
| 502 | } |
| 503 | KeyCode::Right if self.pages.len() > 1 => { |
| 504 | self.switch_page( |
| 505 | self.page_index |
| 506 | .saturating_add(1) |
| 507 | .min(self.pages.len().saturating_sub(1)), |
| 508 | ); |
| 509 | ViewAction::None |
| 510 | } |
| 511 | KeyCode::Up | KeyCode::Char('k') => { |
| 512 | self.scroll_up(1); |
| 513 | self.pending_g = false; |
| 514 | ViewAction::None |
| 515 | } |
| 516 | KeyCode::Down | KeyCode::Char('j') => { |
| 517 | self.scroll_down(1, max_scroll); |
| 518 | self.pending_g = false; |
| 519 | ViewAction::None |
| 520 | } |
| 521 | KeyCode::PageUp => { |
| 522 | self.scroll_up(self.page_height()); |
| 523 | self.pending_g = false; |
| 524 | ViewAction::None |
| 525 | } |
| 526 | KeyCode::PageDown => { |
| 527 | self.scroll_down(self.page_height(), max_scroll); |
| 528 | self.pending_g = false; |
| 529 | ViewAction::None |
| 530 | } |
| 531 | // Vim convention: Space pages down, Shift+Space pages up. Match |
| 532 | // Shift+Space first so it is not absorbed by the bare ' ' arm. |
| 533 | KeyCode::Char(' ') if shift => { |
| 534 | self.scroll_up(self.page_height()); |
| 535 | self.pending_g = false; |
| 536 | ViewAction::None |
| 537 | } |
| 538 | KeyCode::Char(' ') => { |
| 539 | self.scroll_down(self.page_height(), max_scroll); |
| 540 | self.pending_g = false; |
| 541 | ViewAction::None |
| 542 | } |
| 543 | KeyCode::Home => { |
| 544 | self.scroll_to_top(); |
| 545 | self.pending_g = false; |
| 546 | ViewAction::None |
| 547 | } |
| 548 | KeyCode::End => { |
| 549 | self.scroll_to_bottom(max_scroll); |
| 550 | self.pending_g = false; |
| 551 | ViewAction::None |
| 552 | } |
| 553 | KeyCode::Char('g') => { |
| 554 | if self.pending_g { |
| 555 | self.scroll_to_top(); |
| 556 | self.pending_g = false; |
| 557 | } else { |
| 558 | self.pending_g = true; |
| 559 | } |
| 560 | ViewAction::None |
| 561 | } |
| 562 | KeyCode::Char('G') => { |
| 563 | self.scroll_to_bottom(max_scroll); |
| 564 | self.pending_g = false; |
| 565 | ViewAction::None |
| 566 | } |
| 567 | KeyCode::Char('/') => { |
| 568 | self.start_search(); |
| 569 | self.pending_g = false; |
| 570 | ViewAction::None |
| 571 | } |
| 572 | KeyCode::Char('n') => { |
| 573 | self.next_match(); |
| 574 | self.pending_g = false; |
| 575 | ViewAction::None |
| 576 | } |
| 577 | KeyCode::Char('N') => { |
| 578 | self.prev_match(); |
| 579 | self.pending_g = false; |
| 580 | ViewAction::None |
| 581 | } |
| 582 | // Copy the entire pager body to the clipboard. The pager |
| 583 | // intercepts mouse capture so terminal-native selection is |
| 584 | // disabled inside it; without this binding users with no |
| 585 | // out-of-band copy path would have no way to extract content |
| 586 | // they can see (#1354). Both `c` and `y` are wired so users |
| 587 | // landing from either OS-clipboard or vim convention find a |
| 588 | // working key. |
| 589 | KeyCode::Char('c') | KeyCode::Char('y') => { |
| 590 | self.pending_g = false; |
| 591 | ViewAction::Emit(ViewEvent::CopyToClipboard { |
| 592 | text: self.clipboard_text(), |
| 593 | label: "Pager content".to_string(), |
| 594 | }) |
| 595 | } |
| 596 | // `e` exports the compact turn handoff (#4108) when this pager |
| 597 | // carries one — the Turn Inspector. Elsewhere the guard fails and |
| 598 | // `e` falls through to the inert arm below. |
| 599 | KeyCode::Char('e') | KeyCode::Char('E') |
| 600 | if self.current_page().export_markdown.is_some() => |
| 601 | { |
| 602 | self.pending_g = false; |
| 603 | let text = self |
| 604 | .current_page() |
| 605 | .export_markdown |
| 606 | .clone() |
| 607 | .unwrap_or_default(); |
| 608 | ViewAction::Emit(ViewEvent::CopyToClipboard { |
| 609 | text, |
| 610 | label: "Turn handoff".to_string(), |
| 611 | }) |
| 612 | } |
| 613 | // `a` copies ONLY the final assistant answer — the clean |
| 614 | // answer-only payload attached by the Turn Inspector and the |
| 615 | // assistant detail pagers. Unlike `c`/`y` (rendered body) or `e` |
| 616 | // (whole-turn handoff markdown), this payload carries no |
| 617 | // reasoning, tool calls/results, runtime status, or transcript |
| 618 | // scaffolding. Elsewhere the guard fails and `a` is inert. |
| 619 | KeyCode::Char('a') if self.current_page().answer_text.is_some() => { |
| 620 | self.pending_g = false; |
| 621 | let text = self.current_page().answer_text.clone().unwrap_or_default(); |
| 622 | ViewAction::Emit(ViewEvent::CopyToClipboard { |
| 623 | text, |
| 624 | label: "Answer".to_string(), |
| 625 | }) |
| 626 | } |
| 627 | _ => ViewAction::None, |
| 628 | } |
| 629 | } |
| 630 | |
| 631 | fn handle_mouse(&mut self, mouse: MouseEvent) -> ViewAction { |
| 632 | if mouse.kind == MouseEventKind::Down(MouseButton::Left) |
| 633 | && mouse.modifiers.is_empty() |
| 634 | && self |
| 635 | .action_area |
| 636 | .get() |
| 637 | .is_some_and(|area| area.contains((mouse.column, mouse.row).into())) |
| 638 | { |
| 639 | return self.activate_destructive_action(); |
| 640 | } |
| 641 | match mouse.kind { |
| 642 | MouseEventKind::ScrollUp => { |
| 643 | self.scroll_up(3); |
| 644 | self.pending_g = false; |
| 645 | ViewAction::None |
| 646 | } |
| 647 | MouseEventKind::ScrollDown => { |
| 648 | self.scroll_down(3, self.max_scroll()); |
| 649 | self.pending_g = false; |
| 650 | ViewAction::None |
| 651 | } |
| 652 | _ => ViewAction::None, |
| 653 | } |
| 654 | } |
| 655 | |
| 656 | fn render(&self, area: Rect, buf: &mut Buffer) { |
| 657 | let page = self.current_page(); |
| 658 | let title = if self.pages.len() > 1 { |
| 659 | format!( |
| 660 | "{} · {}/{} · ←/→", |
| 661 | page.title, |
| 662 | self.page_index + 1, |
| 663 | self.pages.len() |
| 664 | ) |
| 665 | } else { |
| 666 | page.title.clone() |
| 667 | }; |
| 668 | let inner = render_underwater_surface(area, buf, title); |
| 669 | |
| 670 | // The wrapping action footer is anchored to the bottom of the inner |
| 671 | // area; the body fills the rows above it. |
| 672 | let mut hints = vec![ |
| 673 | ActionHint::new("q/Esc", "close"), |
| 674 | ActionHint::new("j/k", "scroll"), |
| 675 | ActionHint::new("Space", "page"), |
| 676 | ActionHint::new("Ctrl+D/U", "half"), |
| 677 | ActionHint::new("g/G", "top/bottom"), |
| 678 | ActionHint::new("/", "search"), |
| 679 | ActionHint::new("c", "copy"), |
| 680 | ]; |
| 681 | if page.export_markdown.is_some() { |
| 682 | hints.push(ActionHint::new("e", "copy handoff")); |
| 683 | } |
| 684 | if page.answer_text.is_some() { |
| 685 | hints.push(ActionHint::new("a", "copy answer")); |
| 686 | } |
| 687 | self.action_area.set(None); |
| 688 | if let Some(action) = self.destructive_action.as_ref() { |
| 689 | let key = if action.armed { |
| 690 | format!("{}/Enter", action.key) |
| 691 | } else { |
| 692 | action.key.to_string() |
| 693 | }; |
| 694 | let label = if action.armed { |
| 695 | action.confirm_label.clone() |
| 696 | } else { |
| 697 | action.label.clone() |
| 698 | }; |
| 699 | let action_width = key.width() + 2 + label.width(); |
| 700 | hints.push(ActionHint::new(key, label)); |
| 701 | let footer_lines = action_footer_lines(&hints, inner.width); |
| 702 | if footer_lines.len() <= usize::from(inner.height) |
| 703 | && inner.width > 0 |
| 704 | && let Some(last) = footer_lines.last() |
| 705 | { |
| 706 | let offset = last |
| 707 | .width() |
| 708 | .saturating_sub(action_width) |
| 709 | .min(usize::from(inner.width)); |
| 710 | self.action_area.set(Some(Rect::new( |
| 711 | inner.x.saturating_add(offset as u16), |
| 712 | inner.bottom().saturating_sub(1), |
| 713 | (action_width.min(usize::from(inner.width).saturating_sub(offset))) as u16, |
| 714 | 1, |
| 715 | ))); |
| 716 | } |
| 717 | } |
| 718 | let content = render_modal_footer(inner, buf, &hints); |
| 719 | |
| 720 | // `content` already excludes the border, padding, and footer rows. |
| 721 | let mut visible_height = content.height as usize; |
| 722 | if self.search_mode { |
| 723 | // Reserve a row for the search prompt that gets pushed below. |
| 724 | visible_height = visible_height.saturating_sub(1); |
| 725 | } else if !self.search_matches.is_empty() { |
| 726 | // Reserve a row for the "match X/Y (n/N)" status; without this |
| 727 | // the status line gets clipped on small popup heights and the |
| 728 | // user can't see how many matches there are. |
| 729 | visible_height = visible_height.saturating_sub(1); |
| 730 | } |
| 731 | // Cache for paging keys; the value is treated as advisory and |
| 732 | // clamped at use-time. |
| 733 | self.last_visible_height.set(visible_height); |
| 734 | let max_scroll = page.lines.len().saturating_sub(visible_height); |
| 735 | let scroll = self.scroll.min(max_scroll); |
| 736 | let end = (scroll + visible_height).min(page.lines.len()); |
| 737 | let mut visible_lines = if page.lines.is_empty() { |
| 738 | vec![Line::from("")] |
| 739 | } else { |
| 740 | page.lines[scroll..end].to_vec() |
| 741 | }; |
| 742 | |
| 743 | // Highlight matched lines while the search prompt is closed and the |
| 744 | // user is navigating with `n` / `N`. Other matches get a subtle |
| 745 | // background; the current match gets a louder one. Per-substring |
| 746 | // highlighting is deferred to a follow-up — preserving the pre-styled |
| 747 | // spans (assistant / system colors) through a substring re-style is |
| 748 | // a separate concern. |
| 749 | if !self.search_mode && !self.search_matches.is_empty() { |
| 750 | let current_match_line = self.search_matches.get(self.search_index).copied(); |
| 751 | for (visible_idx, line) in visible_lines.iter_mut().enumerate() { |
| 752 | let absolute_idx = scroll + visible_idx; |
| 753 | if absolute_idx >= page.lines.len() { |
| 754 | break; |
| 755 | } |
| 756 | if !self.search_matches.contains(&absolute_idx) { |
| 757 | continue; |
| 758 | } |
| 759 | let is_current = current_match_line == Some(absolute_idx); |
| 760 | let bg = if is_current { |
| 761 | Color::Yellow |
| 762 | } else { |
| 763 | Color::DarkGray |
| 764 | }; |
| 765 | let fg = if is_current { |
| 766 | Color::Black |
| 767 | } else { |
| 768 | Color::Yellow |
| 769 | }; |
| 770 | let highlight = Style::default().bg(bg).fg(fg).add_modifier(Modifier::BOLD); |
| 771 | for span in line.spans.iter_mut() { |
| 772 | span.style = highlight; |
| 773 | } |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | if self.search_mode { |
| 778 | let prompt = format!("/{}", self.search_input); |
| 779 | visible_lines.push(Line::from(Span::styled( |
| 780 | prompt, |
| 781 | Style::default() |
| 782 | .fg(palette::WHALE_ACTION) |
| 783 | .add_modifier(Modifier::BOLD), |
| 784 | ))); |
| 785 | } else if !self.search_matches.is_empty() { |
| 786 | let status = format!( |
| 787 | "match {}/{} (n/N)", |
| 788 | self.search_index + 1, |
| 789 | self.search_matches.len() |
| 790 | ); |
| 791 | visible_lines.push(Line::from(Span::styled( |
| 792 | status, |
| 793 | Style::default().fg(palette::TEXT_MUTED), |
| 794 | ))); |
| 795 | } |
| 796 | |
| 797 | let content = |
| 798 | render_panel_scroll_rail(content, buf, page.lines.len(), scroll, visible_height, true); |
| 799 | // Explicit base ink: the surface behind this body is always WHALE_BG, |
| 800 | // so spans without their own fg must not inherit a dark terminal |
| 801 | // default (light-profile terminals would render them as black-on-black). |
| 802 | // Ratatui paints the base first; styled spans patch over it. |
| 803 | let paragraph = Paragraph::new(visible_lines) |
| 804 | .wrap(Wrap { trim: false }) |
| 805 | .style(Style::default().fg(palette::TEXT_PRIMARY)); |
| 806 | paragraph.render(content, buf); |
| 807 | } |
| 808 | } |
| 809 | |
| 810 | fn line_to_string(line: &Line<'static>) -> String { |
| 811 | line.spans |
| 812 | .iter() |
| 813 | .map(|span| span.content.to_string()) |
| 814 | .collect::<String>() |
| 815 | } |
| 816 | |
| 817 | fn wrap_text(text: &str, width: usize) -> Vec<String> { |
| 818 | if width == 0 { |
| 819 | return vec![text.to_string()]; |
| 820 | } |
| 821 | let mut lines = Vec::new(); |
| 822 | let mut current = String::new(); |
| 823 | let mut current_width = 0usize; |
| 824 | |
| 825 | for word in text.split_whitespace() { |
| 826 | let word_width = word.width(); |
| 827 | if word_width > width { |
| 828 | if !current.is_empty() { |
| 829 | lines.push(std::mem::take(&mut current)); |
| 830 | current_width = 0; |
| 831 | } |
| 832 | push_word_breaking_chars(word, width, &mut current, &mut current_width, &mut lines); |
| 833 | continue; |
| 834 | } |
| 835 | let additional = if current.is_empty() { |
| 836 | word_width |
| 837 | } else { |
| 838 | word_width + 1 |
| 839 | }; |
| 840 | if current_width + additional > width && !current.is_empty() { |
| 841 | lines.push(current); |
| 842 | current = word.to_string(); |
| 843 | current_width = word_width; |
| 844 | } else { |
| 845 | if !current.is_empty() { |
| 846 | current.push(' '); |
| 847 | current_width += 1; |
| 848 | } |
| 849 | current.push_str(word); |
| 850 | current_width += word_width; |
| 851 | } |
| 852 | } |
| 853 | |
| 854 | if current.is_empty() { |
| 855 | lines.push(String::new()); |
| 856 | } else { |
| 857 | lines.push(current); |
| 858 | } |
| 859 | |
| 860 | lines |
| 861 | } |
| 862 | |
| 863 | fn push_word_breaking_chars( |
| 864 | word: &str, |
| 865 | width: usize, |
| 866 | current: &mut String, |
| 867 | current_width: &mut usize, |
| 868 | lines: &mut Vec<String>, |
| 869 | ) { |
| 870 | for ch in word.chars() { |
| 871 | let char_width = ch.width().unwrap_or(1); |
| 872 | if *current_width + char_width > width && *current_width > 0 { |
| 873 | lines.push(std::mem::take(current)); |
| 874 | *current_width = 0; |
| 875 | } |
| 876 | current.push(ch); |
| 877 | *current_width += char_width; |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | #[cfg(test)] |
| 882 | mod tests { |
| 883 | use super::*; |
| 884 | use ratatui::text::Line; |
| 885 | |
| 886 | fn make_pager(lines: usize) -> PagerView { |
| 887 | let lines: Vec<Line<'static>> = (0..lines) |
| 888 | .map(|i| Line::from(format!("line-{i:03}"))) |
| 889 | .collect(); |
| 890 | PagerView::new("T", lines) |
| 891 | } |
| 892 | |
| 893 | fn key(code: KeyCode) -> KeyEvent { |
| 894 | KeyEvent::new(code, KeyModifiers::NONE) |
| 895 | } |
| 896 | |
| 897 | fn key_mod(code: KeyCode, mods: KeyModifiers) -> KeyEvent { |
| 898 | KeyEvent::new(code, mods) |
| 899 | } |
| 900 | |
| 901 | fn ctrl(code: KeyCode) -> KeyEvent { |
| 902 | KeyEvent::new(code, KeyModifiers::CONTROL) |
| 903 | } |
| 904 | |
| 905 | #[test] |
| 906 | fn destructive_action_requires_two_steps_and_escape_only_disarms() { |
| 907 | let mut pager = make_pager(2).with_destructive_action( |
| 908 | 's', |
| 909 | "stop", |
| 910 | "confirm stop · Esc cancels", |
| 911 | ViewEvent::SidebarAgentCancel { |
| 912 | agent_id: "agent_1".to_string(), |
| 913 | }, |
| 914 | ); |
| 915 | |
| 916 | assert!(matches!( |
| 917 | pager.handle_key(key(KeyCode::Char('s'))), |
| 918 | ViewAction::None |
| 919 | )); |
| 920 | assert!(matches!( |
| 921 | pager.handle_key(key(KeyCode::Esc)), |
| 922 | ViewAction::None |
| 923 | )); |
| 924 | assert!(matches!( |
| 925 | pager.handle_key(key(KeyCode::Esc)), |
| 926 | ViewAction::Close |
| 927 | )); |
| 928 | |
| 929 | let _ = pager.handle_key(key(KeyCode::Char('s'))); |
| 930 | assert!(matches!( |
| 931 | pager.handle_key(key(KeyCode::Enter)), |
| 932 | ViewAction::EmitAndClose(ViewEvent::SidebarAgentCancel { agent_id }) |
| 933 | if agent_id == "agent_1" |
| 934 | )); |
| 935 | } |
| 936 | |
| 937 | #[test] |
| 938 | fn command_review_confirms_the_pinned_command_with_keys_or_painted_mouse_control() { |
| 939 | let command = format!( |
| 940 | "/plugin trust fixture {}.{}", |
| 941 | "a".repeat(64), |
| 942 | "b".repeat(64) |
| 943 | ); |
| 944 | for (width, height) in [(40, 12), (80, 24), (140, 40)] { |
| 945 | let mut pager = PagerView::command_review( |
| 946 | "Review fixture", |
| 947 | "Exact reviewed capabilities", |
| 948 | width - 2, |
| 949 | command.clone(), |
| 950 | codewhale_localization::Locale::En, |
| 951 | ); |
| 952 | for modifiers in [ |
| 953 | KeyModifiers::CONTROL, |
| 954 | KeyModifiers::ALT, |
| 955 | KeyModifiers::SUPER, |
| 956 | ] { |
| 957 | assert!(matches!( |
| 958 | pager.handle_key(KeyEvent::new(KeyCode::Char('y'), modifiers)), |
| 959 | ViewAction::None |
| 960 | )); |
| 961 | assert!(!pager.destructive_action.as_ref().unwrap().armed); |
| 962 | } |
| 963 | assert!(matches!( |
| 964 | pager.handle_key(KeyEvent::new_with_kind( |
| 965 | KeyCode::Char('y'), |
| 966 | KeyModifiers::NONE, |
| 967 | KeyEventKind::Repeat |
| 968 | )), |
| 969 | ViewAction::None |
| 970 | )); |
| 971 | assert!(!pager.destructive_action.as_ref().unwrap().armed); |
| 972 | let ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) = |
| 973 | pager.handle_key(key(KeyCode::Char('c'))) |
| 974 | else { |
| 975 | panic!("copy exposes the pinned command"); |
| 976 | }; |
| 977 | assert_eq!(text, command); |
| 978 | let area = Rect::new(0, 0, width, height); |
| 979 | let mut buffer = Buffer::empty(area); |
| 980 | pager.render(area, &mut buffer); |
| 981 | let rendered: String = buffer.content.iter().map(|cell| cell.symbol()).collect(); |
| 982 | assert!(rendered.contains("Confirm"), "{rendered}"); |
| 983 | assert!( |
| 984 | !rendered.contains("disable"), |
| 985 | "generic review must not describe an unrelated action" |
| 986 | ); |
| 987 | let button = pager |
| 988 | .action_area |
| 989 | .get() |
| 990 | .expect("visible confirmation control"); |
| 991 | assert!(button.width > 0 && button.bottom() <= height); |
| 992 | let click = |button: Rect| MouseEvent { |
| 993 | kind: MouseEventKind::Down(MouseButton::Left), |
| 994 | column: button.x, |
| 995 | row: button.y, |
| 996 | modifiers: KeyModifiers::NONE, |
| 997 | }; |
| 998 | assert!(matches!( |
| 999 | pager.handle_mouse(click(button)), |
| 1000 | ViewAction::None |
| 1001 | )); |
| 1002 | assert!(pager.destructive_action.as_ref().unwrap().armed); |
| 1003 | assert!(matches!( |
| 1004 | pager.handle_key(KeyEvent::new_with_kind( |
| 1005 | KeyCode::Enter, |
| 1006 | KeyModifiers::NONE, |
| 1007 | KeyEventKind::Repeat |
| 1008 | )), |
| 1009 | ViewAction::None |
| 1010 | )); |
| 1011 | pager.render(area, &mut buffer); |
| 1012 | let ViewAction::EmitAndClose(ViewEvent::CommandPaletteSelected { |
| 1013 | action: crate::tui::views::CommandPaletteAction::ExecuteCommand { command: actual }, |
| 1014 | }) = pager.handle_mouse(click(pager.action_area.get().unwrap())) |
| 1015 | else { |
| 1016 | panic!("second click confirms the reviewed command"); |
| 1017 | }; |
| 1018 | assert_eq!(actual, command); |
| 1019 | } |
| 1020 | } |
| 1021 | |
| 1022 | /// Drive a render once so `last_visible_height` is populated and paging |
| 1023 | /// keys use a deterministic page size. |
| 1024 | fn prime_layout(view: &mut PagerView, height: u16) { |
| 1025 | let area = Rect::new(0, 0, 40, height); |
| 1026 | let mut buf = Buffer::empty(area); |
| 1027 | view.render(area, &mut buf); |
| 1028 | } |
| 1029 | |
| 1030 | #[test] |
| 1031 | fn j_scrolls_down_one_line() { |
| 1032 | let mut p = make_pager(50); |
| 1033 | let _ = p.handle_key(key(KeyCode::Char('j'))); |
| 1034 | assert_eq!(p.scroll, 1); |
| 1035 | } |
| 1036 | |
| 1037 | #[test] |
| 1038 | fn k_scrolls_up_one_line() { |
| 1039 | let mut p = make_pager(50); |
| 1040 | p.scroll = 5; |
| 1041 | let _ = p.handle_key(key(KeyCode::Char('k'))); |
| 1042 | assert_eq!(p.scroll, 4); |
| 1043 | } |
| 1044 | |
| 1045 | #[test] |
| 1046 | fn gg_jumps_to_top() { |
| 1047 | let mut p = make_pager(50); |
| 1048 | p.scroll = 30; |
| 1049 | let _ = p.handle_key(key(KeyCode::Char('g'))); |
| 1050 | assert!(p.pending_g, "first 'g' should arm pending_g"); |
| 1051 | assert_eq!(p.scroll, 30, "first 'g' alone must not scroll"); |
| 1052 | let _ = p.handle_key(key(KeyCode::Char('g'))); |
| 1053 | assert_eq!(p.scroll, 0); |
| 1054 | assert!(!p.pending_g); |
| 1055 | } |
| 1056 | |
| 1057 | #[test] |
| 1058 | fn home_jumps_to_top() { |
| 1059 | let mut p = make_pager(50); |
| 1060 | p.scroll = 30; |
| 1061 | let _ = p.handle_key(key(KeyCode::Home)); |
| 1062 | assert_eq!(p.scroll, 0); |
| 1063 | } |
| 1064 | |
| 1065 | #[test] |
| 1066 | fn shift_g_jumps_to_bottom() { |
| 1067 | let mut p = make_pager(50); |
| 1068 | let _ = p.handle_key(key(KeyCode::Char('G'))); |
| 1069 | assert_eq!(p.scroll, p.max_scroll()); |
| 1070 | } |
| 1071 | |
| 1072 | #[test] |
| 1073 | fn end_jumps_to_bottom() { |
| 1074 | let mut p = make_pager(50); |
| 1075 | let _ = p.handle_key(key(KeyCode::End)); |
| 1076 | assert_eq!(p.scroll, p.max_scroll()); |
| 1077 | } |
| 1078 | |
| 1079 | #[test] |
| 1080 | fn up_immediately_scrolls_after_shift_g_to_bottom() { |
| 1081 | let mut p = make_pager(50); |
| 1082 | prime_layout(&mut p, 22); |
| 1083 | let bottom = p.max_scroll(); |
| 1084 | |
| 1085 | let _ = p.handle_key(key(KeyCode::Char('G'))); |
| 1086 | assert_eq!(p.scroll, bottom); |
| 1087 | let _ = p.handle_key(key(KeyCode::Up)); |
| 1088 | assert_eq!(p.scroll, bottom - 1); |
| 1089 | let _ = p.handle_key(key(KeyCode::Char('k'))); |
| 1090 | assert_eq!(p.scroll, bottom - 2); |
| 1091 | } |
| 1092 | |
| 1093 | #[test] |
| 1094 | fn k_immediately_scrolls_after_end_to_bottom() { |
| 1095 | let mut p = make_pager(50); |
| 1096 | prime_layout(&mut p, 22); |
| 1097 | let bottom = p.max_scroll(); |
| 1098 | |
| 1099 | let _ = p.handle_key(key(KeyCode::End)); |
| 1100 | assert_eq!(p.scroll, bottom); |
| 1101 | let _ = p.handle_key(key(KeyCode::Char('k'))); |
| 1102 | assert_eq!(p.scroll, bottom - 1); |
| 1103 | } |
| 1104 | |
| 1105 | #[test] |
| 1106 | fn ctrl_d_half_page_down() { |
| 1107 | let mut p = make_pager(200); |
| 1108 | prime_layout(&mut p, 22); |
| 1109 | let half = p.half_page_height(); |
| 1110 | assert!(half >= 1, "half-page must move at least one line"); |
| 1111 | let _ = p.handle_key(ctrl(KeyCode::Char('d'))); |
| 1112 | assert_eq!(p.scroll, half); |
| 1113 | } |
| 1114 | |
| 1115 | #[test] |
| 1116 | fn ctrl_u_half_page_up() { |
| 1117 | let mut p = make_pager(200); |
| 1118 | prime_layout(&mut p, 22); |
| 1119 | p.scroll = 50; |
| 1120 | let half = p.half_page_height(); |
| 1121 | let _ = p.handle_key(ctrl(KeyCode::Char('u'))); |
| 1122 | assert_eq!(p.scroll, 50 - half); |
| 1123 | } |
| 1124 | |
| 1125 | #[test] |
| 1126 | fn ctrl_f_full_page_down() { |
| 1127 | let mut p = make_pager(200); |
| 1128 | prime_layout(&mut p, 22); |
| 1129 | let page = p.page_height(); |
| 1130 | let _ = p.handle_key(ctrl(KeyCode::Char('f'))); |
| 1131 | assert_eq!(p.scroll, page); |
| 1132 | } |
| 1133 | |
| 1134 | #[test] |
| 1135 | fn ctrl_b_full_page_up() { |
| 1136 | let mut p = make_pager(200); |
| 1137 | prime_layout(&mut p, 22); |
| 1138 | p.scroll = 80; |
| 1139 | let page = p.page_height(); |
| 1140 | let _ = p.handle_key(ctrl(KeyCode::Char('b'))); |
| 1141 | assert_eq!(p.scroll, 80 - page); |
| 1142 | } |
| 1143 | |
| 1144 | #[test] |
| 1145 | fn space_pages_down() { |
| 1146 | let mut p = make_pager(200); |
| 1147 | prime_layout(&mut p, 22); |
| 1148 | let page = p.page_height(); |
| 1149 | let _ = p.handle_key(key(KeyCode::Char(' '))); |
| 1150 | assert_eq!(p.scroll, page); |
| 1151 | } |
| 1152 | |
| 1153 | #[test] |
| 1154 | fn shift_space_pages_up() { |
| 1155 | let mut p = make_pager(200); |
| 1156 | prime_layout(&mut p, 22); |
| 1157 | p.scroll = 80; |
| 1158 | let page = p.page_height(); |
| 1159 | let _ = p.handle_key(key_mod(KeyCode::Char(' '), KeyModifiers::SHIFT)); |
| 1160 | assert_eq!(p.scroll, 80 - page); |
| 1161 | } |
| 1162 | |
| 1163 | #[test] |
| 1164 | fn page_down_uses_cached_visible_height() { |
| 1165 | let mut p = make_pager(200); |
| 1166 | prime_layout(&mut p, 22); |
| 1167 | let page = p.page_height(); |
| 1168 | let _ = p.handle_key(key(KeyCode::PageDown)); |
| 1169 | assert_eq!(p.scroll, page); |
| 1170 | } |
| 1171 | |
| 1172 | #[test] |
| 1173 | fn q_closes_pager() { |
| 1174 | let mut p = make_pager(10); |
| 1175 | let action = p.handle_key(key(KeyCode::Char('q'))); |
| 1176 | assert!(matches!(action, ViewAction::Close)); |
| 1177 | } |
| 1178 | |
| 1179 | #[test] |
| 1180 | fn esc_closes_pager() { |
| 1181 | let mut p = make_pager(10); |
| 1182 | let action = p.handle_key(key(KeyCode::Esc)); |
| 1183 | assert!(matches!(action, ViewAction::Close)); |
| 1184 | } |
| 1185 | |
| 1186 | #[test] |
| 1187 | fn multi_page_switch_resets_view_state_and_keeps_copy_export_page_scoped() { |
| 1188 | let first = |
| 1189 | PagerPage::from_text("Turns", "first displayed", 80).with_copy_text("FIRST-SOURCE"); |
| 1190 | let latest = PagerPage::from_text("Turns", "latest displayed", 80) |
| 1191 | .with_copy_text("LATEST-SOURCE") |
| 1192 | .with_export_markdown("LATEST-HANDOFF"); |
| 1193 | let mut pager = PagerView::from_pages(vec![first, latest], 1); |
| 1194 | pager.scroll = 4; |
| 1195 | pager.search_input = "latest".to_string(); |
| 1196 | pager.search_matches = vec![0]; |
| 1197 | |
| 1198 | assert!(matches!( |
| 1199 | pager.handle_key(key(KeyCode::Left)), |
| 1200 | ViewAction::None |
| 1201 | )); |
| 1202 | assert_eq!(pager.body_text(), "first displayed"); |
| 1203 | assert_eq!(pager.scroll, 0); |
| 1204 | assert!(pager.search_input.is_empty()); |
| 1205 | assert!(pager.search_matches.is_empty()); |
| 1206 | assert!(matches!( |
| 1207 | pager.handle_key(key(KeyCode::Char('c'))), |
| 1208 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) if text == "FIRST-SOURCE" |
| 1209 | )); |
| 1210 | assert!(matches!( |
| 1211 | pager.handle_key(key(KeyCode::Char('e'))), |
| 1212 | ViewAction::None |
| 1213 | )); |
| 1214 | |
| 1215 | let _ = pager.handle_key(key(KeyCode::Right)); |
| 1216 | assert!(matches!( |
| 1217 | pager.handle_key(key(KeyCode::Char('e'))), |
| 1218 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) if text == "LATEST-HANDOFF" |
| 1219 | )); |
| 1220 | } |
| 1221 | |
| 1222 | #[test] |
| 1223 | fn g_does_not_consume_search_input() { |
| 1224 | // While in search mode, 'g' must be treated as a search character, |
| 1225 | // not as the half of a `gg` jump-to-top sequence. |
| 1226 | let mut p = make_pager(50); |
| 1227 | p.scroll = 10; |
| 1228 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1229 | assert!(p.search_mode); |
| 1230 | let _ = p.handle_key(key(KeyCode::Char('g'))); |
| 1231 | assert_eq!(p.search_input, "g"); |
| 1232 | assert_eq!(p.scroll, 10); |
| 1233 | } |
| 1234 | |
| 1235 | #[test] |
| 1236 | fn footer_hint_includes_new_bindings() { |
| 1237 | // The rendered pager must surface the new vim-style bindings to the |
| 1238 | // user. The footer is now a wrapping ActionHint row inside the modal |
| 1239 | // body (not the bottom border), so assert against the rendered buffer. |
| 1240 | let p = make_pager(5); |
| 1241 | let area = Rect::new(0, 0, 100, 16); |
| 1242 | let mut buf = Buffer::empty(area); |
| 1243 | p.render(area, &mut buf); |
| 1244 | let mut text = String::new(); |
| 1245 | for y in 0..area.height { |
| 1246 | for x in 0..area.width { |
| 1247 | text.push_str(buf[(x, y)].symbol()); |
| 1248 | } |
| 1249 | text.push('\n'); |
| 1250 | } |
| 1251 | for needle in &[ |
| 1252 | "j/k", |
| 1253 | "scroll", |
| 1254 | "g/G", |
| 1255 | "top/bottom", |
| 1256 | "Space", |
| 1257 | "page", |
| 1258 | "Ctrl+D/U", |
| 1259 | "half", |
| 1260 | "search", |
| 1261 | "copy", |
| 1262 | "q/Esc", |
| 1263 | "close", |
| 1264 | ] { |
| 1265 | assert!(text.contains(needle), "footer hint missing {needle:?}"); |
| 1266 | } |
| 1267 | } |
| 1268 | |
| 1269 | #[test] |
| 1270 | fn body_cells_carry_explicit_ink_on_the_dark_surface() { |
| 1271 | // The pager paints WHALE_BG behind the body, so a body span |
| 1272 | // without its own fg inherits the terminal default, black ink on |
| 1273 | // light-profile terminals, i.e. black-on-black. The base paragraph |
| 1274 | // style must pin every text cell to the body ink. |
| 1275 | let p = make_pager(3); |
| 1276 | let area = Rect::new(0, 0, 100, 16); |
| 1277 | let mut buf = Buffer::empty(area); |
| 1278 | p.render(area, &mut buf); |
| 1279 | let mut checked = 0; |
| 1280 | for y in 0..area.height { |
| 1281 | let mut row = String::new(); |
| 1282 | for x in 0..area.width { |
| 1283 | row.push_str(buf[(x, y)].symbol()); |
| 1284 | } |
| 1285 | if !row.contains("line-") { |
| 1286 | continue; |
| 1287 | } |
| 1288 | for x in 0..area.width { |
| 1289 | let cell = &buf[(x, y)]; |
| 1290 | if cell.symbol().trim().is_empty() { |
| 1291 | continue; |
| 1292 | } |
| 1293 | assert_eq!( |
| 1294 | cell.style().fg, |
| 1295 | Some(palette::TEXT_PRIMARY), |
| 1296 | "body cell ({x}, {y}) must carry explicit body ink", |
| 1297 | ); |
| 1298 | checked += 1; |
| 1299 | } |
| 1300 | } |
| 1301 | assert!(checked > 0, "expected body rows in the rendered pager"); |
| 1302 | } |
| 1303 | |
| 1304 | #[test] |
| 1305 | fn c_emits_copy_event_with_full_body() { |
| 1306 | // #1354: the pager intercepts mouse capture, so users have no way to |
| 1307 | // copy content out without an in-app key. Both `c` and `y` should |
| 1308 | // emit a CopyToClipboard event carrying the whole body so the host |
| 1309 | // dispatcher (in ui.rs) can write through `app.clipboard` and toast |
| 1310 | // a confirmation. |
| 1311 | let mut p = make_pager(3); |
| 1312 | let action = p.handle_key(key(KeyCode::Char('c'))); |
| 1313 | match action { |
| 1314 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, label }) => { |
| 1315 | assert_eq!(text, "line-000\nline-001\nline-002"); |
| 1316 | assert_eq!(label, "Pager content"); |
| 1317 | } |
| 1318 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1319 | } |
| 1320 | } |
| 1321 | |
| 1322 | #[test] |
| 1323 | fn a_emits_copy_event_with_attached_answer_only() { |
| 1324 | // `a` copies the attached answer-only payload — never the rendered |
| 1325 | // body, which may carry scaffolding around the answer. |
| 1326 | let mut pager = PagerView::from_text("Turn Inspector", "[◆ · done] body", 40) |
| 1327 | .with_copy_answer("CLEAN-ANSWER"); |
| 1328 | let action = pager.handle_key(key(KeyCode::Char('a'))); |
| 1329 | match action { |
| 1330 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, label }) => { |
| 1331 | assert_eq!(text, "CLEAN-ANSWER"); |
| 1332 | assert_eq!(label, "Answer"); |
| 1333 | } |
| 1334 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1335 | } |
| 1336 | |
| 1337 | // Without an attached answer `a` stays inert; it must never fall |
| 1338 | // back to copying the rendered body. |
| 1339 | let mut plain = PagerView::from_text("T", "body", 40); |
| 1340 | assert!(matches!( |
| 1341 | plain.handle_key(key(KeyCode::Char('a'))), |
| 1342 | ViewAction::None |
| 1343 | )); |
| 1344 | } |
| 1345 | |
| 1346 | #[test] |
| 1347 | fn copy_override_preserves_indentation_tabs_and_blank_lines() { |
| 1348 | let source = "Result:\n indented\n\twith-tab\n\nnext"; |
| 1349 | let mut pager = PagerView::from_text("T", source, 12).with_copy_text(source); |
| 1350 | |
| 1351 | let action = pager.handle_key(key(KeyCode::Char('c'))); |
| 1352 | match action { |
| 1353 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) => { |
| 1354 | assert_eq!(text, source); |
| 1355 | } |
| 1356 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1357 | } |
| 1358 | } |
| 1359 | |
| 1360 | #[test] |
| 1361 | fn from_text_keeps_one_display_row_per_blank_source_line() { |
| 1362 | let pager = PagerView::from_text("T", "first\n\nthird", 80); |
| 1363 | assert_eq!(pager.body_text(), "first\n\nthird"); |
| 1364 | } |
| 1365 | |
| 1366 | #[test] |
| 1367 | fn from_text_strips_csi_mouse_and_osc_sequences() { |
| 1368 | // A worker transcript can carry captured terminal bytes (a child TUI's |
| 1369 | // mouse-tracking handshake, SGR color, OSC hyperlinks). Rendering them |
| 1370 | // raw emits the escapes to the user's terminal, which re-enables mouse |
| 1371 | // reporting after exit and leaves the shell executing fragments. |
| 1372 | let hostile = "── assistant ──\n\ |
| 1373 | enabling \u{1b}[?1003h\u{1b}[?1006h mouse tracking\n\ |
| 1374 | click bytes \u{1b}[<65;72;17M\u{1b}[<35;131;42M arrived\n\ |
| 1375 | \u{1b}[31mred text\u{1b}[0m and an \u{1b}]8;;https://example.com\u{7}OSC link\u{1b}]8;;\u{1b}\\\n\ |
| 1376 | trailing stray \u{1b}\u{7}bytes\u{1b}c done"; |
| 1377 | let pager = PagerView::from_text("Agent transcript", hostile, 200); |
| 1378 | let body = pager.body_text(); |
| 1379 | assert!( |
| 1380 | !body.contains('\u{1b}'), |
| 1381 | "no ESC byte may survive into the pager body: {body:?}" |
| 1382 | ); |
| 1383 | assert!( |
| 1384 | !body.contains('\u{7}'), |
| 1385 | "no BEL byte may survive into the pager body: {body:?}" |
| 1386 | ); |
| 1387 | for fragment in ["?1003h", "?1006h", "<65;72;17M", "<35;131;42M", "]8;;"] { |
| 1388 | assert!( |
| 1389 | !body.contains(fragment), |
| 1390 | "escape fragment {fragment:?} must be stripped, not painted: {body:?}" |
| 1391 | ); |
| 1392 | } |
| 1393 | assert!(body.contains("red text"), "visible text survives: {body:?}"); |
| 1394 | assert!(body.contains("OSC link"), "link label survives: {body:?}"); |
| 1395 | assert!(body.contains("done"), "trailing text survives: {body:?}"); |
| 1396 | } |
| 1397 | |
| 1398 | #[test] |
| 1399 | fn from_text_sanitizes_jsonl_transcript_shaped_content() { |
| 1400 | // Regression for the sub-agent transcript pager corrupting the parent |
| 1401 | // terminal: content shaped like the raw artifact lines, with embedded |
| 1402 | // mouse/CSI sequences inside a tool result, must render inert. |
| 1403 | let transcript_like = concat!( |
| 1404 | "── assistant ──\n", |
| 1405 | "I'll run the build now.\n", |
| 1406 | "← tool result (call-1)\n", |
| 1407 | // JSON-escaped text is literal backslash-u bytes — inert, kept as-is. |
| 1408 | "{\"line\":\"\\u{1b}[<0;9;4Mprogress done\"}\n", |
| 1409 | // Raw event bytes are the dangerous form and must be stripped. |
| 1410 | "raw \u{1b}[<0;10;5M event bytes\u{1b}[2K after\n", |
| 1411 | ); |
| 1412 | let pager = PagerView::from_text("Agent transcript", transcript_like, 200); |
| 1413 | let body = pager.body_text(); |
| 1414 | assert!(!body.contains('\u{1b}'), "inert body required: {body:?}"); |
| 1415 | assert!( |
| 1416 | !body.contains("<0;10;5M"), |
| 1417 | "mouse event fragment must not render: {body:?}" |
| 1418 | ); |
| 1419 | assert!( |
| 1420 | body.contains("progress") && body.contains("after"), |
| 1421 | "readable content survives: {body:?}" |
| 1422 | ); |
| 1423 | } |
| 1424 | |
| 1425 | #[test] |
| 1426 | fn y_emits_copy_event_for_vim_users() { |
| 1427 | let mut p = make_pager(3); |
| 1428 | let action = p.handle_key(key(KeyCode::Char('y'))); |
| 1429 | assert!( |
| 1430 | matches!(action, ViewAction::Emit(ViewEvent::CopyToClipboard { .. })), |
| 1431 | "y must emit a copy event for vim-yank parity" |
| 1432 | ); |
| 1433 | } |
| 1434 | |
| 1435 | #[test] |
| 1436 | fn e_exports_turn_handoff_when_attached() { |
| 1437 | // #4108: the Turn Inspector pager carries a compact Markdown handoff; |
| 1438 | // `e` copies that artifact (not the visible inspector body) to the |
| 1439 | // clipboard via the host dispatcher. |
| 1440 | let mut p = make_pager(3).with_export_markdown("# Turn handoff\n\n## Intent\ndo the thing"); |
| 1441 | let action = p.handle_key(key(KeyCode::Char('e'))); |
| 1442 | match action { |
| 1443 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, label }) => { |
| 1444 | assert!(text.contains("# Turn handoff"), "handoff text: {text}"); |
| 1445 | assert_eq!(label, "Turn handoff"); |
| 1446 | } |
| 1447 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1448 | } |
| 1449 | } |
| 1450 | |
| 1451 | #[test] |
| 1452 | fn e_is_inert_without_an_attached_handoff() { |
| 1453 | // Every other pager leaves `e` unbound so it never surprises the user. |
| 1454 | let mut p = make_pager(3); |
| 1455 | assert!(matches!( |
| 1456 | p.handle_key(key(KeyCode::Char('e'))), |
| 1457 | ViewAction::None |
| 1458 | )); |
| 1459 | } |
| 1460 | |
| 1461 | #[test] |
| 1462 | fn copy_keys_inert_in_search_mode() { |
| 1463 | // Within `/`-search mode `c` and `y` must be treated as search |
| 1464 | // characters, not as a copy trigger — otherwise users typing a |
| 1465 | // query that contains either letter would lose their input. |
| 1466 | let mut p = make_pager(10); |
| 1467 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1468 | assert!(p.search_mode); |
| 1469 | let action = p.handle_key(key(KeyCode::Char('c'))); |
| 1470 | assert!(matches!(action, ViewAction::None)); |
| 1471 | assert_eq!(p.search_input, "c"); |
| 1472 | } |
| 1473 | |
| 1474 | #[test] |
| 1475 | fn footer_hint_is_rendered_in_buffer() { |
| 1476 | let p = make_pager(5); |
| 1477 | let area = Rect::new(0, 0, 100, 10); |
| 1478 | let mut buf = Buffer::empty(area); |
| 1479 | p.render(area, &mut buf); |
| 1480 | // The footer is now anchored to the bottom of the modal body (above the |
| 1481 | // padding/border) rather than painted on the border, so scan the whole |
| 1482 | // frame for the action labels. |
| 1483 | let mut text = String::new(); |
| 1484 | for y in 0..area.height { |
| 1485 | for x in 0..area.width { |
| 1486 | text.push_str(buf[(x, y)].symbol()); |
| 1487 | } |
| 1488 | text.push('\n'); |
| 1489 | } |
| 1490 | assert!( |
| 1491 | text.contains("close") || text.contains("scroll"), |
| 1492 | "expected footer hint in rendered pager, got:\n{text}" |
| 1493 | ); |
| 1494 | } |
| 1495 | |
| 1496 | /// `/` opens the search prompt; typing chars accumulates them; Enter |
| 1497 | /// commits and jumps to the first match. The matches index/count line |
| 1498 | /// must surface in the rendered buffer afterwards. |
| 1499 | #[test] |
| 1500 | fn search_finds_matches_and_renders_match_counter() { |
| 1501 | let mut p = make_pager(20); |
| 1502 | prime_layout(&mut p, 16); |
| 1503 | |
| 1504 | // Open search. |
| 1505 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1506 | // Type "5" to match line-005, line-015 (any line whose number contains |
| 1507 | // a 5 — make_pager produced "line-NNN" with three-digit indices). |
| 1508 | for ch in "5".chars() { |
| 1509 | let _ = p.handle_key(key(KeyCode::Char(ch))); |
| 1510 | } |
| 1511 | // Commit. |
| 1512 | let _ = p.handle_key(key(KeyCode::Enter)); |
| 1513 | |
| 1514 | // Render and look for the "match X/Y" status line. |
| 1515 | let area = Rect::new(0, 0, 60, 16); |
| 1516 | let mut buf = Buffer::empty(area); |
| 1517 | p.render(area, &mut buf); |
| 1518 | let mut full = String::new(); |
| 1519 | for y in 0..area.height { |
| 1520 | for x in 0..area.width { |
| 1521 | full.push_str(buf[(x, y)].symbol()); |
| 1522 | } |
| 1523 | full.push('\n'); |
| 1524 | } |
| 1525 | assert!( |
| 1526 | full.contains("match 1/2") || full.contains("match 1/3"), |
| 1527 | "expected match counter; got buffer:\n{full}" |
| 1528 | ); |
| 1529 | } |
| 1530 | |
| 1531 | /// Esc while in search mode bails out AND clears the highlighted matches |
| 1532 | /// so the un-highlighted view returns. (Codex parity.) |
| 1533 | #[test] |
| 1534 | fn esc_in_search_mode_clears_matches() { |
| 1535 | let mut p = make_pager(20); |
| 1536 | prime_layout(&mut p, 16); |
| 1537 | |
| 1538 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1539 | let _ = p.handle_key(key(KeyCode::Char('5'))); |
| 1540 | let _ = p.handle_key(key(KeyCode::Enter)); |
| 1541 | assert!(!p.search_matches.is_empty()); |
| 1542 | |
| 1543 | // Re-enter search mode and Esc out — matches must clear. |
| 1544 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1545 | let _ = p.handle_key(key(KeyCode::Esc)); |
| 1546 | assert!(p.search_matches.is_empty()); |
| 1547 | assert_eq!(p.search_input, ""); |
| 1548 | assert!(!p.search_mode); |
| 1549 | } |
| 1550 | |
| 1551 | /// `n` and `N` cycle forward and backward through matches, wrapping at |
| 1552 | /// the ends without panicking on out-of-bounds index. |
| 1553 | #[test] |
| 1554 | fn n_and_capital_n_cycle_matches_with_wrap() { |
| 1555 | let mut p = make_pager(50); |
| 1556 | prime_layout(&mut p, 16); |
| 1557 | |
| 1558 | // Search "1" — matches every line whose printed index contains a 1. |
| 1559 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1560 | let _ = p.handle_key(key(KeyCode::Char('1'))); |
| 1561 | let _ = p.handle_key(key(KeyCode::Enter)); |
| 1562 | let total = p.search_matches.len(); |
| 1563 | assert!(total > 1, "test needs multiple matches, got {total}"); |
| 1564 | |
| 1565 | let start = p.search_index; |
| 1566 | let _ = p.handle_key(key(KeyCode::Char('n'))); |
| 1567 | assert_eq!(p.search_index, (start + 1) % total); |
| 1568 | let _ = p.handle_key(key(KeyCode::Char('N'))); |
| 1569 | assert_eq!(p.search_index, start); |
| 1570 | |
| 1571 | // Wrap backwards from 0 → last. |
| 1572 | let _ = p.handle_key(key(KeyCode::Char('N'))); |
| 1573 | assert_eq!(p.search_index, total - 1); |
| 1574 | let _ = p.handle_key(key(KeyCode::Char('n'))); |
| 1575 | assert_eq!(p.search_index, 0); |
| 1576 | } |
| 1577 | |
| 1578 | /// While search matches exist and the prompt is closed, the matched |
| 1579 | /// lines are visually distinguished in the rendered buffer by their |
| 1580 | /// background color. We sample directly across the matched-line text |
| 1581 | /// columns rather than the whole row width because Paragraph leaves |
| 1582 | /// the trailing-area cells at the default background. |
| 1583 | #[test] |
| 1584 | fn matched_lines_get_highlight_background() { |
| 1585 | let mut p = make_pager(20); |
| 1586 | prime_layout(&mut p, 16); |
| 1587 | |
| 1588 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1589 | let _ = p.handle_key(key(KeyCode::Char('5'))); |
| 1590 | let _ = p.handle_key(key(KeyCode::Enter)); |
| 1591 | assert!(!p.search_matches.is_empty()); |
| 1592 | |
| 1593 | let area = Rect::new(0, 0, 40, 16); |
| 1594 | let mut buf = Buffer::empty(area); |
| 1595 | p.render(area, &mut buf); |
| 1596 | |
| 1597 | // Find the actual painted match: shared compact layout may move it. |
| 1598 | let row = (0..area.height) |
| 1599 | .find(|&y| { |
| 1600 | (0..area.width) |
| 1601 | .map(|x| buf[(x, y)].symbol()) |
| 1602 | .collect::<String>() |
| 1603 | .contains("line-005") |
| 1604 | }) |
| 1605 | .expect("matched text must be visible"); |
| 1606 | let highlighted = (0..area.width) |
| 1607 | .filter(|&x| buf[(x, row)].style().bg == Some(Color::Yellow)) |
| 1608 | .collect::<Vec<_>>(); |
| 1609 | assert_eq!(highlighted.len(), "line-005".len()); |
| 1610 | for x in highlighted { |
| 1611 | assert_eq!(buf[(x, row)].style().fg, Some(Color::Black)); |
| 1612 | } |
| 1613 | } |
| 1614 | |
| 1615 | #[test] |
| 1616 | fn mouse_scroll_up_scrolls_content() { |
| 1617 | let mut p = make_pager(50); |
| 1618 | p.scroll = 10; |
| 1619 | let action = p.handle_mouse(MouseEvent { |
| 1620 | kind: MouseEventKind::ScrollUp, |
| 1621 | column: 0, |
| 1622 | row: 0, |
| 1623 | modifiers: KeyModifiers::NONE, |
| 1624 | }); |
| 1625 | |
| 1626 | assert_eq!(p.scroll, 7); |
| 1627 | assert!(matches!(action, ViewAction::None)); |
| 1628 | } |
| 1629 | |
| 1630 | #[test] |
| 1631 | fn mouse_scroll_down_scrolls_content() { |
| 1632 | let mut p = make_pager(50); |
| 1633 | prime_layout(&mut p, 20); |
| 1634 | p.scroll = 10; |
| 1635 | let action = p.handle_mouse(MouseEvent { |
| 1636 | kind: MouseEventKind::ScrollDown, |
| 1637 | column: 0, |
| 1638 | row: 0, |
| 1639 | modifiers: KeyModifiers::NONE, |
| 1640 | }); |
| 1641 | |
| 1642 | assert_eq!(p.scroll, 13); |
| 1643 | assert!(matches!(action, ViewAction::None)); |
| 1644 | } |
| 1645 | |
| 1646 | #[test] |
| 1647 | fn mouse_scroll_down_clamps_to_pager_bottom() { |
| 1648 | let mut p = make_pager(50); |
| 1649 | prime_layout(&mut p, 20); |
| 1650 | let bottom = p.max_scroll(); |
| 1651 | |
| 1652 | for _ in 0..100 { |
| 1653 | let _ = p.handle_mouse(MouseEvent { |
| 1654 | kind: MouseEventKind::ScrollDown, |
| 1655 | column: 0, |
| 1656 | row: 0, |
| 1657 | modifiers: KeyModifiers::NONE, |
| 1658 | }); |
| 1659 | } |
| 1660 | |
| 1661 | assert_eq!(p.scroll, bottom); |
| 1662 | } |
| 1663 | |
| 1664 | #[test] |
| 1665 | fn pager_is_usable_and_opaque_at_blocker_sizes() { |
| 1666 | use crate::tui::views::ViewStack; |
| 1667 | |
| 1668 | const BLOCKER_SIZES: [(u16, u16); 4] = [(80, 24), (100, 30), (120, 32), (160, 40)]; |
| 1669 | for (w, h) in BLOCKER_SIZES { |
| 1670 | let area = Rect::new(0, 0, w, h); |
| 1671 | let mut buf = Buffer::empty(area); |
| 1672 | for y in 0..h { |
| 1673 | for x in 0..w { |
| 1674 | buf[(x, y)].set_symbol("X"); |
| 1675 | } |
| 1676 | } |
| 1677 | let mut stack = ViewStack::new(); |
| 1678 | stack.push(make_pager(60)); |
| 1679 | stack.render(area, &mut buf); |
| 1680 | |
| 1681 | let rows: Vec<String> = (0..h) |
| 1682 | .map(|y| (0..w).map(|x| buf[(x, y)].symbol().to_string()).collect()) |
| 1683 | .collect(); |
| 1684 | let text = rows.join("\n"); |
| 1685 | |
| 1686 | // Footer keeps every action. |
| 1687 | for label in [ |
| 1688 | "close", |
| 1689 | "scroll", |
| 1690 | "page", |
| 1691 | "half", |
| 1692 | "top/bottom", |
| 1693 | "search", |
| 1694 | "copy", |
| 1695 | ] { |
| 1696 | assert!(text.contains(label), "{w}x{h}: footer missing '{label}'"); |
| 1697 | } |
| 1698 | |
| 1699 | // Composited frame is fully opaque. |
| 1700 | assert!(!text.contains('X'), "{w}x{h}: background bleed-through"); |
| 1701 | assert_eq!( |
| 1702 | buf[(w / 2, h / 2)].bg, |
| 1703 | palette::WHALE_BG, |
| 1704 | "{w}x{h}: modal interior must be opaque" |
| 1705 | ); |
| 1706 | |
| 1707 | // No horizontal overflow. |
| 1708 | for (y, row) in rows.iter().enumerate() { |
| 1709 | assert!( |
| 1710 | UnicodeWidthStr::width(row.trim_end()) <= w as usize, |
| 1711 | "{w}x{h}: row {y} overflows width: {row:?}" |
| 1712 | ); |
| 1713 | } |
| 1714 | } |
| 1715 | } |
| 1716 | |
| 1717 | #[test] |
| 1718 | fn wrap_text_breaks_overlong_cjk_runs() { |
| 1719 | let text = "这是一个非常长的中文字符串".repeat(10); |
| 1720 | let lines = wrap_text(&text, 16); |
| 1721 | |
| 1722 | for line in &lines { |
| 1723 | assert!(line.width() <= 16, "line {line:?} exceeds width 16"); |
| 1724 | } |
| 1725 | |
| 1726 | assert_eq!(lines.join(""), text); |
| 1727 | } |
| 1728 | } |
| 1729 |