| 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 pager's source text (or its attached copy payload) |
| 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, RefCell}; |
| 19 | use std::ops::Range; |
| 20 | |
| 21 | use crossterm::event::{ |
| 22 | KeyCode, KeyEvent, KeyEventKind, KeyModifiers, MouseButton, MouseEvent, MouseEventKind, |
| 23 | }; |
| 24 | use ratatui::{ |
| 25 | buffer::Buffer, |
| 26 | layout::Rect, |
| 27 | style::{Color, Modifier, Style}, |
| 28 | text::{Line, Span}, |
| 29 | widgets::{Paragraph, Widget, Wrap}, |
| 30 | }; |
| 31 | use unicode_segmentation::UnicodeSegmentation; |
| 32 | use unicode_width::UnicodeWidthStr; |
| 33 | |
| 34 | use crate::tui::ui_text::grapheme_display_width; |
| 35 | use crate::tui::views::{ |
| 36 | ActionHint, ModalKind, ModalView, ViewAction, ViewEvent, action_footer_lines, |
| 37 | render_modal_footer, render_panel_scroll_rail, render_underwater_surface, |
| 38 | }; |
| 39 | use codewhale_palette as palette; |
| 40 | |
| 41 | #[derive(Debug, Clone)] |
| 42 | struct PagerDestructiveAction { |
| 43 | key: char, |
| 44 | label: String, |
| 45 | confirm_label: String, |
| 46 | event: ViewEvent, |
| 47 | armed: bool, |
| 48 | } |
| 49 | |
| 50 | /// One independently copyable document in a pager. Most pagers contain a |
| 51 | /// single page; Turn Inspector uses several so each turn stays isolated while |
| 52 | /// retaining the pager's existing scroll/search/copy behavior. |
| 53 | #[derive(Debug, Clone)] |
| 54 | pub(crate) struct PagerPage { |
| 55 | title: String, |
| 56 | /// What the page shows. Its display rows are wrapped from this to the |
| 57 | /// width the body really gets at render time, so one row is one scroll |
| 58 | /// step whatever the terminal width. |
| 59 | source: PagerSource, |
| 60 | /// Width to lay the page out at before its first render (`0`: unwrapped). |
| 61 | first_width: usize, |
| 62 | rows: RefCell<PagerRows>, |
| 63 | export_markdown: Option<String>, |
| 64 | copy_text: Option<String>, |
| 65 | answer_text: Option<String>, |
| 66 | } |
| 67 | |
| 68 | #[derive(Debug, Clone)] |
| 69 | enum PagerSource { |
| 70 | /// Sanitized text; `c` / `y` copy it verbatim when no explicit copy |
| 71 | /// payload is attached. |
| 72 | Text(String), |
| 73 | /// Pre-styled lines, wrapped with their styles intact. |
| 74 | Lines(Vec<Line<'static>>), |
| 75 | } |
| 76 | |
| 77 | /// The display rows of one page and the column width they were wrapped to. |
| 78 | #[derive(Debug, Clone, Default)] |
| 79 | struct PagerRows { |
| 80 | /// `None` until the page is first laid out. |
| 81 | width: Option<usize>, |
| 82 | plain: Vec<String>, |
| 83 | /// Styled rows of a styled-line page; text pages paint `plain`. |
| 84 | styled: Vec<Line<'static>>, |
| 85 | /// The source line each row was wrapped from, so a re-wrap can keep the |
| 86 | /// same line at the top of the view. |
| 87 | origin: Vec<usize>, |
| 88 | } |
| 89 | |
| 90 | impl PagerRows { |
| 91 | fn wrap_text(source: &str, width: usize) -> Self { |
| 92 | let mut rows = Self { |
| 93 | width: Some(width), |
| 94 | ..Self::default() |
| 95 | }; |
| 96 | for (line_index, raw) in source.lines().enumerate() { |
| 97 | for row in wrap_text(raw, width) { |
| 98 | rows.plain.push(row); |
| 99 | rows.origin.push(line_index); |
| 100 | } |
| 101 | } |
| 102 | rows |
| 103 | } |
| 104 | |
| 105 | fn wrap_lines(lines: &[Line<'static>], width: usize) -> Self { |
| 106 | let mut rows = Self { |
| 107 | width: Some(width), |
| 108 | ..Self::default() |
| 109 | }; |
| 110 | for (line_index, line) in lines.iter().enumerate() { |
| 111 | let cells = display_cells( |
| 112 | line.spans |
| 113 | .iter() |
| 114 | .enumerate() |
| 115 | .map(|(span, piece)| (piece.content.as_ref(), span)), |
| 116 | ); |
| 117 | for range in wrap_ranges(&cells, width) { |
| 118 | let mut spans: Vec<Span<'static>> = Vec::new(); |
| 119 | let mut run = String::new(); |
| 120 | let mut run_span = None; |
| 121 | for &(ch, span) in &cells[range] { |
| 122 | if run_span.is_some_and(|current| current != span) { |
| 123 | let style = line.spans[run_span.unwrap_or(span)].style; |
| 124 | spans.push(Span::styled(std::mem::take(&mut run), style)); |
| 125 | } |
| 126 | run_span = Some(span); |
| 127 | run.push(ch); |
| 128 | } |
| 129 | if let Some(span) = run_span { |
| 130 | spans.push(Span::styled(run, line.spans[span].style)); |
| 131 | } |
| 132 | let mut row = Line::from(spans).style(line.style); |
| 133 | row.alignment = line.alignment; |
| 134 | rows.plain.push(line_to_string(&row)); |
| 135 | rows.styled.push(row); |
| 136 | rows.origin.push(line_index); |
| 137 | } |
| 138 | } |
| 139 | rows |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | impl PagerPage { |
| 144 | pub(crate) fn from_text(title: impl Into<String>, text: &str, width: u16) -> Self { |
| 145 | // Pager bodies frequently carry tool output or worker transcripts. |
| 146 | // Keep the same terminal-injection boundary as the single-page path. |
| 147 | let mut sanitized = String::with_capacity(text.len()); |
| 148 | crate::tui::osc8::strip_ansi_into(text, &mut sanitized); |
| 149 | Self::new(title, PagerSource::Text(sanitized), usize::from(width)) |
| 150 | } |
| 151 | |
| 152 | fn from_lines(title: impl Into<String>, lines: Vec<Line<'static>>) -> Self { |
| 153 | Self::new(title, PagerSource::Lines(lines), 0) |
| 154 | } |
| 155 | |
| 156 | fn new(title: impl Into<String>, source: PagerSource, first_width: usize) -> Self { |
| 157 | Self { |
| 158 | title: title.into(), |
| 159 | source, |
| 160 | first_width, |
| 161 | rows: RefCell::default(), |
| 162 | export_markdown: None, |
| 163 | copy_text: None, |
| 164 | answer_text: None, |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | /// Wrap the page to `width` columns (`0`: unwrapped) unless it already |
| 169 | /// is; the paragraph then never wraps a row again, so one row is one |
| 170 | /// scroll step. Returns whether the rows changed. |
| 171 | fn layout(&self, width: usize) -> bool { |
| 172 | if self.rows.borrow().width == Some(width) { |
| 173 | return false; |
| 174 | } |
| 175 | *self.rows.borrow_mut() = match &self.source { |
| 176 | PagerSource::Text(source) => PagerRows::wrap_text(source, width), |
| 177 | PagerSource::Lines(lines) => PagerRows::wrap_lines(lines, width), |
| 178 | }; |
| 179 | true |
| 180 | } |
| 181 | |
| 182 | /// The display rows, laid out at the caller's width if no render has |
| 183 | /// fixed the real one yet. |
| 184 | fn rows(&self) -> std::cell::Ref<'_, PagerRows> { |
| 185 | if self.rows.borrow().width.is_none() { |
| 186 | self.layout(self.first_width); |
| 187 | } |
| 188 | self.rows.borrow() |
| 189 | } |
| 190 | |
| 191 | fn row_count(&self) -> usize { |
| 192 | self.rows().plain.len() |
| 193 | } |
| 194 | |
| 195 | /// What `c` / `y` copy without an explicit payload: the source, never the |
| 196 | /// display wrapping. |
| 197 | fn source_text(&self) -> String { |
| 198 | match &self.source { |
| 199 | PagerSource::Text(source) => source.clone(), |
| 200 | PagerSource::Lines(lines) => lines |
| 201 | .iter() |
| 202 | .map(line_to_string) |
| 203 | .collect::<Vec<_>>() |
| 204 | .join("\n"), |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | pub(crate) fn with_export_markdown(mut self, markdown: impl Into<String>) -> Self { |
| 209 | self.export_markdown = Some(markdown.into()); |
| 210 | self |
| 211 | } |
| 212 | |
| 213 | pub(crate) fn with_copy_text(mut self, text: impl Into<String>) -> Self { |
| 214 | self.copy_text = Some(text.into()); |
| 215 | self |
| 216 | } |
| 217 | |
| 218 | /// Attach the clean final assistant answer that the `a` key copies to |
| 219 | /// the clipboard. Only surfaces that can produce an answer-only payload |
| 220 | /// (Turn Inspector pages, assistant detail pagers) set this; the pager |
| 221 | /// body itself stays free to render scaffolding around the answer. |
| 222 | pub(crate) fn with_copy_answer(mut self, text: impl Into<String>) -> Self { |
| 223 | self.answer_text = Some(text.into()); |
| 224 | self |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | pub struct PagerView { |
| 229 | pages: Vec<PagerPage>, |
| 230 | page_index: usize, |
| 231 | /// First visible row. A cell because a resize re-wraps the rows during |
| 232 | /// render, which remaps it to keep the same source line on top. |
| 233 | scroll: Cell<usize>, |
| 234 | search_input: String, |
| 235 | /// Rows matching the search, ascending; recomputed when a re-wrap moves |
| 236 | /// the rows under them. |
| 237 | search_matches: RefCell<Vec<usize>>, |
| 238 | search_index: Cell<usize>, |
| 239 | search_mode: bool, |
| 240 | pending_g: bool, |
| 241 | /// Cached visible content height from the last render. Used by paging |
| 242 | /// keys (Ctrl+D/U, Ctrl+F/B, Space, etc.) to compute scroll deltas |
| 243 | /// without access to the render area. |
| 244 | last_visible_height: Cell<usize>, |
| 245 | /// Optional inspector-owned destructive action. It requires two presses |
| 246 | /// (or key then Enter); Esc disarms before it closes the pager. |
| 247 | destructive_action: Option<PagerDestructiveAction>, |
| 248 | action_area: Cell<Option<Rect>>, |
| 249 | } |
| 250 | |
| 251 | impl PagerView { |
| 252 | pub fn new(title: impl Into<String>, lines: Vec<Line<'static>>) -> Self { |
| 253 | Self::from_pages(vec![PagerPage::from_lines(title, lines)], 0) |
| 254 | } |
| 255 | |
| 256 | /// Build an opt-in multi-page pager and open the requested page. Page |
| 257 | /// switching is deliberately unavailable to ordinary one-page pagers. |
| 258 | pub(crate) fn from_pages(pages: Vec<PagerPage>, initial_page: usize) -> Self { |
| 259 | assert!(!pages.is_empty(), "a pager needs at least one page"); |
| 260 | let page_index = initial_page.min(pages.len().saturating_sub(1)); |
| 261 | Self { |
| 262 | pages, |
| 263 | page_index, |
| 264 | scroll: Cell::new(0), |
| 265 | search_input: String::new(), |
| 266 | search_matches: RefCell::default(), |
| 267 | search_index: Cell::new(0), |
| 268 | search_mode: false, |
| 269 | pending_g: false, |
| 270 | last_visible_height: Cell::new(0), |
| 271 | destructive_action: None, |
| 272 | action_area: Cell::new(None), |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | /// Attach a compact Markdown export (e.g. the #4108 turn handoff) that the |
| 277 | /// `e` key copies to the clipboard. Only the Turn Inspector pager sets this; |
| 278 | /// other pagers leave `e` inert. |
| 279 | #[cfg(test)] |
| 280 | pub fn with_export_markdown(mut self, markdown: impl Into<String>) -> Self { |
| 281 | self.current_page_mut().export_markdown = Some(markdown.into()); |
| 282 | self |
| 283 | } |
| 284 | |
| 285 | /// Preserve a source-faithful payload for `c` / `y` while the rendered |
| 286 | /// pager remains free to wrap content to its viewport. |
| 287 | pub fn with_copy_text(mut self, text: impl Into<String>) -> Self { |
| 288 | self.current_page_mut().copy_text = Some(text.into()); |
| 289 | self |
| 290 | } |
| 291 | |
| 292 | /// Attach the clean final assistant answer that the `a` key copies |
| 293 | /// (see [`PagerPage::with_copy_answer`]). |
| 294 | pub fn with_copy_answer(mut self, text: impl Into<String>) -> Self { |
| 295 | self.current_page_mut().answer_text = Some(text.into()); |
| 296 | self |
| 297 | } |
| 298 | |
| 299 | /// Attach a two-step destructive action to this pager. Work Graph |
| 300 | /// inspectors use this to keep Stop inside the detail surface while |
| 301 | /// reusing the existing command/agent cancellation events. |
| 302 | pub fn with_destructive_action( |
| 303 | mut self, |
| 304 | key: char, |
| 305 | label: impl Into<String>, |
| 306 | confirm_label: impl Into<String>, |
| 307 | event: ViewEvent, |
| 308 | ) -> Self { |
| 309 | self.destructive_action = Some(PagerDestructiveAction { |
| 310 | key, |
| 311 | label: label.into(), |
| 312 | confirm_label: confirm_label.into(), |
| 313 | event, |
| 314 | armed: false, |
| 315 | }); |
| 316 | self |
| 317 | } |
| 318 | |
| 319 | pub fn from_text(title: impl Into<String>, text: &str, width: u16) -> Self { |
| 320 | Self::from_pages(vec![PagerPage::from_text(title, text, width)], 0) |
| 321 | } |
| 322 | |
| 323 | /// Reuse the inspector confirmation control for token-bound commands. |
| 324 | /// Copy exposes the exact command; confirmation dispatches it unchanged. |
| 325 | pub(crate) fn command_review( |
| 326 | title: impl Into<String>, |
| 327 | text: &str, |
| 328 | width: u16, |
| 329 | command: String, |
| 330 | locale: codewhale_localization::Locale, |
| 331 | ) -> Self { |
| 332 | let confirm = codewhale_localization::tr( |
| 333 | locale, |
| 334 | codewhale_localization::MessageId::PagerActionConfirm, |
| 335 | ) |
| 336 | .into_owned(); |
| 337 | Self::from_text(title, text, width) |
| 338 | .with_copy_text(command.clone()) |
| 339 | .with_destructive_action( |
| 340 | 'y', |
| 341 | confirm.clone(), |
| 342 | confirm, |
| 343 | ViewEvent::CommandPaletteSelected { |
| 344 | action: crate::tui::views::CommandPaletteAction::ExecuteCommand { command }, |
| 345 | }, |
| 346 | ) |
| 347 | } |
| 348 | |
| 349 | fn activate_destructive_action(&mut self) -> ViewAction { |
| 350 | self.pending_g = false; |
| 351 | let Some(action) = self.destructive_action.as_mut() else { |
| 352 | return ViewAction::None; |
| 353 | }; |
| 354 | if action.armed { |
| 355 | ViewAction::EmitAndClose(action.event.clone()) |
| 356 | } else { |
| 357 | action.armed = true; |
| 358 | ViewAction::None |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | fn current_page(&self) -> &PagerPage { |
| 363 | &self.pages[self.page_index] |
| 364 | } |
| 365 | |
| 366 | fn current_page_mut(&mut self) -> &mut PagerPage { |
| 367 | &mut self.pages[self.page_index] |
| 368 | } |
| 369 | |
| 370 | fn switch_page(&mut self, page_index: usize) { |
| 371 | let page_index = page_index.min(self.pages.len().saturating_sub(1)); |
| 372 | if page_index == self.page_index { |
| 373 | return; |
| 374 | } |
| 375 | self.page_index = page_index; |
| 376 | self.scroll.set(0); |
| 377 | self.search_input.clear(); |
| 378 | self.search_matches.get_mut().clear(); |
| 379 | self.search_index.set(0); |
| 380 | self.search_mode = false; |
| 381 | self.pending_g = false; |
| 382 | } |
| 383 | |
| 384 | fn scroll_up(&mut self, amount: usize) { |
| 385 | self.scroll.set(self.scroll.get().saturating_sub(amount)); |
| 386 | } |
| 387 | |
| 388 | fn scroll_down(&mut self, amount: usize, max_scroll: usize) { |
| 389 | self.scroll |
| 390 | .set(self.scroll.get().saturating_add(amount).min(max_scroll)); |
| 391 | } |
| 392 | |
| 393 | fn scroll_to_top(&mut self) { |
| 394 | self.scroll.set(0); |
| 395 | } |
| 396 | |
| 397 | fn scroll_to_bottom(&mut self, max_scroll: usize) { |
| 398 | self.scroll.set(max_scroll); |
| 399 | } |
| 400 | |
| 401 | /// Plain-text rendered body of the pager joined with `\n`. This reflects |
| 402 | /// width-based display wrapping, so it is not what the clipboard gets: |
| 403 | /// an explicit copy payload wins, then the page's own source. |
| 404 | #[cfg(test)] |
| 405 | pub fn body_text(&self) -> String { |
| 406 | self.current_page().rows().plain.join("\n") |
| 407 | } |
| 408 | |
| 409 | fn clipboard_text(&self) -> String { |
| 410 | let page = self.current_page(); |
| 411 | page.copy_text.clone().unwrap_or_else(|| page.source_text()) |
| 412 | } |
| 413 | |
| 414 | /// The pager's title bar text. Used by tests to assert the raw-detail |
| 415 | /// pager is framed at leaf scope (#4105). |
| 416 | #[cfg(test)] |
| 417 | pub(crate) fn title(&self) -> &str { |
| 418 | &self.current_page().title |
| 419 | } |
| 420 | |
| 421 | /// Return the page height (in lines) used for paging keys. |
| 422 | /// |
| 423 | /// Falls back to a small constant (10) before the first render so the |
| 424 | /// pager still responds to paging keys when invoked synthetically (e.g. |
| 425 | /// in unit tests). After the first render, the cached value reflects |
| 426 | /// the actual visible content area. |
| 427 | fn page_height(&self) -> usize { |
| 428 | let cached = self.last_visible_height.get(); |
| 429 | if cached == 0 { 10 } else { cached } |
| 430 | } |
| 431 | |
| 432 | /// Half a page, rounded up so a single press always moves at least one line. |
| 433 | fn half_page_height(&self) -> usize { |
| 434 | let page = self.page_height(); |
| 435 | page.div_ceil(2).max(1) |
| 436 | } |
| 437 | |
| 438 | fn max_scroll(&self) -> usize { |
| 439 | // Match the render-side clamp so G/End land at the visible bottom and |
| 440 | // k/Up immediately scroll back up by one line. |
| 441 | self.current_page() |
| 442 | .row_count() |
| 443 | .saturating_sub(self.page_height()) |
| 444 | } |
| 445 | |
| 446 | fn start_search(&mut self) { |
| 447 | self.search_mode = true; |
| 448 | self.search_input.clear(); |
| 449 | self.search_matches.get_mut().clear(); |
| 450 | self.search_index.set(0); |
| 451 | } |
| 452 | |
| 453 | fn update_search_matches(&mut self) { |
| 454 | let matches = find_matches(&self.current_page().rows().plain, &self.search_input); |
| 455 | *self.search_matches.get_mut() = matches; |
| 456 | self.search_index.set(0); |
| 457 | } |
| 458 | |
| 459 | /// Wrap the current page to `width`. When that re-wraps it (a resize), |
| 460 | /// keep the same source line at the top of the view and the same match |
| 461 | /// selected, since the old row indices no longer name the same rows. |
| 462 | fn layout(&self, width: usize) { |
| 463 | let page = self.current_page(); |
| 464 | let (top, current_match) = { |
| 465 | let rows = page.rows.borrow(); |
| 466 | let origin = |row: usize| rows.origin.get(row).copied(); |
| 467 | let current = self |
| 468 | .search_matches |
| 469 | .borrow() |
| 470 | .get(self.search_index.get()) |
| 471 | .copied(); |
| 472 | (origin(self.scroll.get()), current.and_then(origin)) |
| 473 | }; |
| 474 | if !page.layout(width) { |
| 475 | return; |
| 476 | } |
| 477 | let rows = page.rows.borrow(); |
| 478 | if let Some(top) = top { |
| 479 | self.scroll |
| 480 | .set(rows.origin.partition_point(|&line| line < top)); |
| 481 | } |
| 482 | if !self.search_input.trim().is_empty() { |
| 483 | let matches = find_matches(&rows.plain, &self.search_input); |
| 484 | let index = current_match |
| 485 | .and_then(|line| matches.iter().position(|&row| rows.origin[row] >= line)) |
| 486 | .unwrap_or(0); |
| 487 | *self.search_matches.borrow_mut() = matches; |
| 488 | self.search_index.set(index); |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | fn jump_to_match(&mut self) { |
| 493 | if let Some(&row) = self.search_matches.get_mut().get(self.search_index.get()) { |
| 494 | self.scroll.set(row); |
| 495 | } |
| 496 | } |
| 497 | |
| 498 | fn next_match(&mut self) { |
| 499 | let total = self.search_matches.get_mut().len(); |
| 500 | if total == 0 { |
| 501 | return; |
| 502 | } |
| 503 | self.search_index.set((self.search_index.get() + 1) % total); |
| 504 | self.jump_to_match(); |
| 505 | } |
| 506 | |
| 507 | fn prev_match(&mut self) { |
| 508 | let total = self.search_matches.get_mut().len(); |
| 509 | if total == 0 { |
| 510 | return; |
| 511 | } |
| 512 | let index = self.search_index.get(); |
| 513 | self.search_index |
| 514 | .set(if index == 0 { total - 1 } else { index - 1 }); |
| 515 | self.jump_to_match(); |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | impl ModalView for PagerView { |
| 520 | fn kind(&self) -> ModalKind { |
| 521 | ModalKind::Pager |
| 522 | } |
| 523 | |
| 524 | fn as_any_mut(&mut self) -> &mut dyn std::any::Any { |
| 525 | self |
| 526 | } |
| 527 | |
| 528 | fn handle_key(&mut self, key: KeyEvent) -> ViewAction { |
| 529 | if self.search_mode { |
| 530 | match key.code { |
| 531 | KeyCode::Enter => { |
| 532 | self.search_mode = false; |
| 533 | self.update_search_matches(); |
| 534 | self.jump_to_match(); |
| 535 | return ViewAction::None; |
| 536 | } |
| 537 | KeyCode::Esc => { |
| 538 | // Bail out of search mode AND drop the current match list |
| 539 | // so the user gets back to the un-highlighted view — |
| 540 | // codex-style behavior. To resume from where they left |
| 541 | // off they re-enter `/` and re-type. |
| 542 | self.search_mode = false; |
| 543 | self.search_input.clear(); |
| 544 | self.search_matches.get_mut().clear(); |
| 545 | self.search_index.set(0); |
| 546 | return ViewAction::None; |
| 547 | } |
| 548 | KeyCode::Backspace => { |
| 549 | self.search_input.pop(); |
| 550 | return ViewAction::None; |
| 551 | } |
| 552 | // Ctrl+H is the legacy ASCII backspace many terminals emit. |
| 553 | KeyCode::Char('h') |
| 554 | if key.modifiers.contains(KeyModifiers::CONTROL) |
| 555 | && !key.modifiers.contains(KeyModifiers::ALT) => |
| 556 | { |
| 557 | self.search_input.pop(); |
| 558 | return ViewAction::None; |
| 559 | } |
| 560 | KeyCode::Char(c) => { |
| 561 | self.search_input.push(c); |
| 562 | return ViewAction::None; |
| 563 | } |
| 564 | // All other keys (Up/Down, PageUp/PageDown, etc.) are captured |
| 565 | // in search mode so they don't fall through to the pager body. |
| 566 | _ => return ViewAction::None, |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | if let Some(action) = self.destructive_action.as_mut() { |
| 571 | if key.code == KeyCode::Esc && action.armed { |
| 572 | action.armed = false; |
| 573 | self.pending_g = false; |
| 574 | return ViewAction::None; |
| 575 | } |
| 576 | let matching_key = |
| 577 | matches!(key.code, KeyCode::Char(ch) if ch.eq_ignore_ascii_case(&action.key)); |
| 578 | if matching_key || (key.code == KeyCode::Enter && action.armed) { |
| 579 | if key.kind != KeyEventKind::Press |
| 580 | || !key.modifiers.difference(KeyModifiers::SHIFT).is_empty() |
| 581 | { |
| 582 | return ViewAction::None; |
| 583 | } |
| 584 | return self.activate_destructive_action(); |
| 585 | } |
| 586 | } |
| 587 | |
| 588 | let ctrl = key.modifiers.contains(KeyModifiers::CONTROL); |
| 589 | let shift = key.modifiers.contains(KeyModifiers::SHIFT); |
| 590 | let max_scroll = self.max_scroll(); |
| 591 | |
| 592 | // Ctrl+chord paging keys are matched first because their KeyCode |
| 593 | // also matches the bare `KeyCode::Char(c)` arms below. |
| 594 | if ctrl { |
| 595 | match key.code { |
| 596 | KeyCode::Char('d') | KeyCode::Char('D') => { |
| 597 | self.scroll_down(self.half_page_height(), max_scroll); |
| 598 | self.pending_g = false; |
| 599 | return ViewAction::None; |
| 600 | } |
| 601 | KeyCode::Char('u') | KeyCode::Char('U') => { |
| 602 | self.scroll_up(self.half_page_height()); |
| 603 | self.pending_g = false; |
| 604 | return ViewAction::None; |
| 605 | } |
| 606 | KeyCode::Char('f') | KeyCode::Char('F') => { |
| 607 | self.scroll_down(self.page_height(), max_scroll); |
| 608 | self.pending_g = false; |
| 609 | return ViewAction::None; |
| 610 | } |
| 611 | KeyCode::Char('b') | KeyCode::Char('B') => { |
| 612 | self.scroll_up(self.page_height()); |
| 613 | self.pending_g = false; |
| 614 | return ViewAction::None; |
| 615 | } |
| 616 | _ => {} |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | match key.code { |
| 621 | KeyCode::Esc | KeyCode::Char('q') => ViewAction::Close, |
| 622 | KeyCode::Left if self.pages.len() > 1 => { |
| 623 | self.switch_page(self.page_index.saturating_sub(1)); |
| 624 | ViewAction::None |
| 625 | } |
| 626 | KeyCode::Right if self.pages.len() > 1 => { |
| 627 | self.switch_page( |
| 628 | self.page_index |
| 629 | .saturating_add(1) |
| 630 | .min(self.pages.len().saturating_sub(1)), |
| 631 | ); |
| 632 | ViewAction::None |
| 633 | } |
| 634 | KeyCode::Up | KeyCode::Char('k') => { |
| 635 | self.scroll_up(1); |
| 636 | self.pending_g = false; |
| 637 | ViewAction::None |
| 638 | } |
| 639 | KeyCode::Down | KeyCode::Char('j') => { |
| 640 | self.scroll_down(1, max_scroll); |
| 641 | self.pending_g = false; |
| 642 | ViewAction::None |
| 643 | } |
| 644 | KeyCode::PageUp => { |
| 645 | self.scroll_up(self.page_height()); |
| 646 | self.pending_g = false; |
| 647 | ViewAction::None |
| 648 | } |
| 649 | KeyCode::PageDown => { |
| 650 | self.scroll_down(self.page_height(), max_scroll); |
| 651 | self.pending_g = false; |
| 652 | ViewAction::None |
| 653 | } |
| 654 | // Vim convention: Space pages down, Shift+Space pages up. Match |
| 655 | // Shift+Space first so it is not absorbed by the bare ' ' arm. |
| 656 | KeyCode::Char(' ') if shift => { |
| 657 | self.scroll_up(self.page_height()); |
| 658 | self.pending_g = false; |
| 659 | ViewAction::None |
| 660 | } |
| 661 | KeyCode::Char(' ') => { |
| 662 | self.scroll_down(self.page_height(), max_scroll); |
| 663 | self.pending_g = false; |
| 664 | ViewAction::None |
| 665 | } |
| 666 | KeyCode::Home => { |
| 667 | self.scroll_to_top(); |
| 668 | self.pending_g = false; |
| 669 | ViewAction::None |
| 670 | } |
| 671 | KeyCode::End => { |
| 672 | self.scroll_to_bottom(max_scroll); |
| 673 | self.pending_g = false; |
| 674 | ViewAction::None |
| 675 | } |
| 676 | KeyCode::Char('g') => { |
| 677 | if self.pending_g { |
| 678 | self.scroll_to_top(); |
| 679 | self.pending_g = false; |
| 680 | } else { |
| 681 | self.pending_g = true; |
| 682 | } |
| 683 | ViewAction::None |
| 684 | } |
| 685 | KeyCode::Char('G') => { |
| 686 | self.scroll_to_bottom(max_scroll); |
| 687 | self.pending_g = false; |
| 688 | ViewAction::None |
| 689 | } |
| 690 | KeyCode::Char('/') => { |
| 691 | self.start_search(); |
| 692 | self.pending_g = false; |
| 693 | ViewAction::None |
| 694 | } |
| 695 | KeyCode::Char('n') => { |
| 696 | self.next_match(); |
| 697 | self.pending_g = false; |
| 698 | ViewAction::None |
| 699 | } |
| 700 | KeyCode::Char('N') => { |
| 701 | self.prev_match(); |
| 702 | self.pending_g = false; |
| 703 | ViewAction::None |
| 704 | } |
| 705 | // Copy the entire pager body to the clipboard. The pager |
| 706 | // intercepts mouse capture so terminal-native selection is |
| 707 | // disabled inside it; without this binding users with no |
| 708 | // out-of-band copy path would have no way to extract content |
| 709 | // they can see (#1354). Both `c` and `y` are wired so users |
| 710 | // landing from either OS-clipboard or vim convention find a |
| 711 | // working key. |
| 712 | KeyCode::Char('c') | KeyCode::Char('y') => { |
| 713 | self.pending_g = false; |
| 714 | ViewAction::Emit(ViewEvent::CopyToClipboard { |
| 715 | text: self.clipboard_text(), |
| 716 | label: "Pager content".to_string(), |
| 717 | }) |
| 718 | } |
| 719 | // `e` exports the compact turn handoff (#4108) when this pager |
| 720 | // carries one — the Turn Inspector. Elsewhere the guard fails and |
| 721 | // `e` falls through to the inert arm below. |
| 722 | KeyCode::Char('e') | KeyCode::Char('E') |
| 723 | if self.current_page().export_markdown.is_some() => |
| 724 | { |
| 725 | self.pending_g = false; |
| 726 | let text = self |
| 727 | .current_page() |
| 728 | .export_markdown |
| 729 | .clone() |
| 730 | .unwrap_or_default(); |
| 731 | ViewAction::Emit(ViewEvent::CopyToClipboard { |
| 732 | text, |
| 733 | label: "Turn handoff".to_string(), |
| 734 | }) |
| 735 | } |
| 736 | // `a` copies ONLY the final assistant answer — the clean |
| 737 | // answer-only payload attached by the Turn Inspector and the |
| 738 | // assistant detail pagers. Unlike `c`/`y` (rendered body) or `e` |
| 739 | // (whole-turn handoff markdown), this payload carries no |
| 740 | // reasoning, tool calls/results, runtime status, or transcript |
| 741 | // scaffolding. Elsewhere the guard fails and `a` is inert. |
| 742 | KeyCode::Char('a') if self.current_page().answer_text.is_some() => { |
| 743 | self.pending_g = false; |
| 744 | let text = self.current_page().answer_text.clone().unwrap_or_default(); |
| 745 | ViewAction::Emit(ViewEvent::CopyToClipboard { |
| 746 | text, |
| 747 | label: "Answer".to_string(), |
| 748 | }) |
| 749 | } |
| 750 | _ => ViewAction::None, |
| 751 | } |
| 752 | } |
| 753 | |
| 754 | fn handle_mouse(&mut self, mouse: MouseEvent) -> ViewAction { |
| 755 | if mouse.kind == MouseEventKind::Down(MouseButton::Left) |
| 756 | && mouse.modifiers.is_empty() |
| 757 | && self |
| 758 | .action_area |
| 759 | .get() |
| 760 | .is_some_and(|area| area.contains((mouse.column, mouse.row).into())) |
| 761 | { |
| 762 | return self.activate_destructive_action(); |
| 763 | } |
| 764 | match mouse.kind { |
| 765 | MouseEventKind::ScrollUp => { |
| 766 | self.scroll_up(3); |
| 767 | self.pending_g = false; |
| 768 | ViewAction::None |
| 769 | } |
| 770 | MouseEventKind::ScrollDown => { |
| 771 | self.scroll_down(3, self.max_scroll()); |
| 772 | self.pending_g = false; |
| 773 | ViewAction::None |
| 774 | } |
| 775 | _ => ViewAction::None, |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | fn render(&self, area: Rect, buf: &mut Buffer) { |
| 780 | let page = self.current_page(); |
| 781 | let title = if self.pages.len() > 1 { |
| 782 | format!( |
| 783 | "{} · {}/{} · ←/→", |
| 784 | page.title, |
| 785 | self.page_index + 1, |
| 786 | self.pages.len() |
| 787 | ) |
| 788 | } else { |
| 789 | page.title.clone() |
| 790 | }; |
| 791 | let inner = render_underwater_surface(area, buf, title); |
| 792 | |
| 793 | // The wrapping action footer is anchored to the bottom of the inner |
| 794 | // area; the body fills the rows above it. |
| 795 | let mut hints = vec![ |
| 796 | ActionHint::new("q/Esc", "close"), |
| 797 | ActionHint::new("j/k", "scroll"), |
| 798 | ActionHint::new("Space", "page"), |
| 799 | ActionHint::new("Ctrl+D/U", "half"), |
| 800 | ActionHint::new("g/G", "top/bottom"), |
| 801 | ActionHint::new("/", "search"), |
| 802 | ActionHint::new("c", "copy"), |
| 803 | ]; |
| 804 | if page.export_markdown.is_some() { |
| 805 | hints.push(ActionHint::new("e", "copy handoff")); |
| 806 | } |
| 807 | if page.answer_text.is_some() { |
| 808 | hints.push(ActionHint::new("a", "copy answer")); |
| 809 | } |
| 810 | self.action_area.set(None); |
| 811 | if let Some(action) = self.destructive_action.as_ref() { |
| 812 | let key = if action.armed { |
| 813 | format!("{}/Enter", action.key) |
| 814 | } else { |
| 815 | action.key.to_string() |
| 816 | }; |
| 817 | let label = if action.armed { |
| 818 | action.confirm_label.clone() |
| 819 | } else { |
| 820 | action.label.clone() |
| 821 | }; |
| 822 | let action_width = key.width() + 2 + label.width(); |
| 823 | hints.push(ActionHint::new(key, label)); |
| 824 | let footer_lines = action_footer_lines(&hints, inner.width); |
| 825 | if footer_lines.len() <= usize::from(inner.height) |
| 826 | && inner.width > 0 |
| 827 | && let Some(last) = footer_lines.last() |
| 828 | { |
| 829 | let offset = last |
| 830 | .width() |
| 831 | .saturating_sub(action_width) |
| 832 | .min(usize::from(inner.width)); |
| 833 | self.action_area.set(Some(Rect::new( |
| 834 | inner.x.saturating_add(offset as u16), |
| 835 | inner.bottom().saturating_sub(1), |
| 836 | (action_width.min(usize::from(inner.width).saturating_sub(offset))) as u16, |
| 837 | 1, |
| 838 | ))); |
| 839 | } |
| 840 | } |
| 841 | let content = render_modal_footer(inner, buf, &hints); |
| 842 | |
| 843 | // Re-wrap before reserving the search-status row: resizing can make |
| 844 | // the first match appear or the last match disappear. Hold a column |
| 845 | // for the scroll rail so it cannot cause another paragraph wrap. |
| 846 | let body_width = if content.width >= 2 { |
| 847 | content.width - 1 |
| 848 | } else { |
| 849 | content.width |
| 850 | }; |
| 851 | self.layout(usize::from(body_width)); |
| 852 | |
| 853 | // `content` already excludes the border, padding, and footer rows. |
| 854 | let mut visible_height = content.height as usize; |
| 855 | if self.search_mode { |
| 856 | // Reserve a row for the search prompt that gets pushed below. |
| 857 | visible_height = visible_height.saturating_sub(1); |
| 858 | } else if !self.search_matches.borrow().is_empty() { |
| 859 | // Reserve a row for the "match X/Y (n/N)" status; without this |
| 860 | // the status line gets clipped on small popup heights and the |
| 861 | // user can't see how many matches there are. |
| 862 | visible_height = visible_height.saturating_sub(1); |
| 863 | } |
| 864 | // Cache for paging keys; the value is treated as advisory and |
| 865 | // clamped at use-time. |
| 866 | self.last_visible_height.set(visible_height); |
| 867 | let rows = page.rows.borrow(); |
| 868 | let row_count = rows.plain.len(); |
| 869 | let max_scroll = row_count.saturating_sub(visible_height); |
| 870 | let scroll = self.scroll.get().min(max_scroll); |
| 871 | let end = (scroll + visible_height).min(row_count); |
| 872 | let mut visible_lines: Vec<Line<'static>> = if row_count == 0 { |
| 873 | vec![Line::from("")] |
| 874 | } else if rows.styled.is_empty() { |
| 875 | rows.plain[scroll..end] |
| 876 | .iter() |
| 877 | .map(|row| Line::from(row.clone())) |
| 878 | .collect() |
| 879 | } else { |
| 880 | rows.styled[scroll..end].to_vec() |
| 881 | }; |
| 882 | |
| 883 | // Highlight matched lines while the search prompt is closed and the |
| 884 | // user is navigating with `n` / `N`. Other matches get a subtle |
| 885 | // background; the current match gets a louder one. Per-substring |
| 886 | // highlighting is deferred to a follow-up — preserving the pre-styled |
| 887 | // spans (assistant / system colors) through a substring re-style is |
| 888 | // a separate concern. |
| 889 | let search_matches = self.search_matches.borrow(); |
| 890 | if !self.search_mode && !search_matches.is_empty() { |
| 891 | let current_match_line = search_matches.get(self.search_index.get()).copied(); |
| 892 | for (visible_idx, line) in visible_lines.iter_mut().enumerate() { |
| 893 | let absolute_idx = scroll + visible_idx; |
| 894 | if absolute_idx >= row_count { |
| 895 | break; |
| 896 | } |
| 897 | // `search_matches` is built in ascending line order. |
| 898 | if search_matches.binary_search(&absolute_idx).is_err() { |
| 899 | continue; |
| 900 | } |
| 901 | let is_current = current_match_line == Some(absolute_idx); |
| 902 | let bg = if is_current { |
| 903 | Color::Yellow |
| 904 | } else { |
| 905 | Color::DarkGray |
| 906 | }; |
| 907 | let fg = if is_current { |
| 908 | Color::Black |
| 909 | } else { |
| 910 | Color::Yellow |
| 911 | }; |
| 912 | let highlight = Style::default().bg(bg).fg(fg).add_modifier(Modifier::BOLD); |
| 913 | for span in line.spans.iter_mut() { |
| 914 | span.style = highlight; |
| 915 | } |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | if self.search_mode { |
| 920 | let prompt = format!("/{}", self.search_input); |
| 921 | visible_lines.push(Line::from(Span::styled( |
| 922 | prompt, |
| 923 | Style::default() |
| 924 | .fg(palette::WHALE_ACTION) |
| 925 | .add_modifier(Modifier::BOLD), |
| 926 | ))); |
| 927 | } else if !search_matches.is_empty() { |
| 928 | let status = format!( |
| 929 | "match {}/{} (n/N)", |
| 930 | self.search_index.get() + 1, |
| 931 | search_matches.len() |
| 932 | ); |
| 933 | visible_lines.push(Line::from(Span::styled( |
| 934 | status, |
| 935 | Style::default().fg(palette::TEXT_MUTED), |
| 936 | ))); |
| 937 | } |
| 938 | |
| 939 | let content = |
| 940 | render_panel_scroll_rail(content, buf, row_count, scroll, visible_height, true); |
| 941 | // Explicit base ink: the surface behind this body is always WHALE_BG, |
| 942 | // so spans without their own fg must not inherit a dark terminal |
| 943 | // default (light-profile terminals would render them as black-on-black). |
| 944 | // Ratatui paints the base first; styled spans patch over it. |
| 945 | let paragraph = Paragraph::new(visible_lines) |
| 946 | .wrap(Wrap { trim: false }) |
| 947 | .style(Style::default().fg(palette::TEXT_PRIMARY)); |
| 948 | paragraph.render(content, buf); |
| 949 | } |
| 950 | } |
| 951 | |
| 952 | fn line_to_string(line: &Line<'static>) -> String { |
| 953 | line.spans |
| 954 | .iter() |
| 955 | .map(|span| span.content.to_string()) |
| 956 | .collect::<String>() |
| 957 | } |
| 958 | |
| 959 | /// Rows containing `query` (trimmed, ASCII case-insensitive), ascending. |
| 960 | fn find_matches(rows: &[String], query: &str) -> Vec<usize> { |
| 961 | let query = query.trim().to_ascii_lowercase(); |
| 962 | if query.is_empty() { |
| 963 | return Vec::new(); |
| 964 | } |
| 965 | rows.iter() |
| 966 | .enumerate() |
| 967 | .filter_map(|(index, row)| row.to_ascii_lowercase().contains(&query).then_some(index)) |
| 968 | .collect() |
| 969 | } |
| 970 | |
| 971 | /// Columns between tab stops, the width the rest of the TUI gives a tab |
| 972 | /// (`ui_text::char_display_width`). |
| 973 | const TAB_STOP: usize = 4; |
| 974 | |
| 975 | /// The characters one source line paints, each tagged with the piece (span) |
| 976 | /// it came from. Tabs advance to the next tab stop, so tab-aligned columns |
| 977 | /// stay aligned; a carriage return, form feed or other control character or |
| 978 | /// line/paragraph separator reads as the space it separates; bidirectional |
| 979 | /// format characters, which would reorder the painted row, are dropped. The |
| 980 | /// source itself is kept for copying. |
| 981 | fn display_cells<'a>(pieces: impl Iterator<Item = (&'a str, usize)>) -> Vec<(char, usize)> { |
| 982 | let mut cells = Vec::new(); |
| 983 | let mut column = 0; |
| 984 | for (text, tag) in pieces { |
| 985 | let display: String = text |
| 986 | .chars() |
| 987 | .filter(|&ch| !crate::core::events::is_bidi_format_control(ch)) |
| 988 | .map(|ch| { |
| 989 | if ch != '\t' && (ch.is_control() || matches!(ch, '\u{2028}' | '\u{2029}')) { |
| 990 | ' ' |
| 991 | } else { |
| 992 | ch |
| 993 | } |
| 994 | }) |
| 995 | .collect(); |
| 996 | for grapheme in display.graphemes(true) { |
| 997 | if grapheme == "\t" { |
| 998 | let advance = TAB_STOP - column % TAB_STOP; |
| 999 | cells.extend(std::iter::repeat_n((' ', tag), advance)); |
| 1000 | column += advance; |
| 1001 | } else { |
| 1002 | cells.extend(grapheme.chars().map(|ch| (ch, tag))); |
| 1003 | column += grapheme_display_width(grapheme); |
| 1004 | } |
| 1005 | } |
| 1006 | } |
| 1007 | cells |
| 1008 | } |
| 1009 | |
| 1010 | /// Wrap one source line to `width` columns (`0`: unwrapped) without |
| 1011 | /// collapsing whitespace: indentation, aligned columns and repeated spaces |
| 1012 | /// survive, and only the whitespace at a soft break is consumed. |
| 1013 | fn wrap_text(text: &str, width: usize) -> Vec<String> { |
| 1014 | let cells = display_cells(std::iter::once((text, 0))); |
| 1015 | wrap_ranges(&cells, width) |
| 1016 | .into_iter() |
| 1017 | .map(|range| cells[range].iter().map(|&(ch, _)| ch).collect()) |
| 1018 | .collect() |
| 1019 | } |
| 1020 | |
| 1021 | /// The cell ranges of each wrapped row; see [`wrap_text`]. |
| 1022 | fn wrap_ranges(cells: &[(char, usize)], width: usize) -> Vec<Range<usize>> { |
| 1023 | if width == 0 { |
| 1024 | return std::iter::once(0..cells.len()).collect(); |
| 1025 | } |
| 1026 | // Keep character ranges for style reconstruction, but measure and break |
| 1027 | // only at grapheme boundaries. Summing scalar widths splits joined emoji |
| 1028 | // even when their painted width fits on one row. |
| 1029 | let text: String = cells.iter().map(|&(ch, _)| ch).collect(); |
| 1030 | let mut character = 0; |
| 1031 | let graphemes: Vec<_> = text |
| 1032 | .graphemes(true) |
| 1033 | .map(|grapheme| { |
| 1034 | let start = character; |
| 1035 | character += grapheme.chars().count(); |
| 1036 | ( |
| 1037 | start, |
| 1038 | grapheme_display_width(grapheme), |
| 1039 | grapheme.chars().all(char::is_whitespace), |
| 1040 | ) |
| 1041 | }) |
| 1042 | .collect(); |
| 1043 | let cell_width = |index: usize| graphemes[index].1; |
| 1044 | let mut rows = Vec::new(); |
| 1045 | let mut current = 0..0; |
| 1046 | let mut current_width = 0usize; |
| 1047 | // Whether `current` holds more than indentation. A soft break is only |
| 1048 | // taken after real content; an over-wide indent or word is split instead. |
| 1049 | let mut has_content = false; |
| 1050 | |
| 1051 | let mut run_start = 0; |
| 1052 | while run_start < graphemes.len() { |
| 1053 | let is_space = graphemes[run_start].2; |
| 1054 | let run_end = graphemes[run_start..] |
| 1055 | .iter() |
| 1056 | .position(|&(_, _, space)| space != is_space) |
| 1057 | .map_or(graphemes.len(), |offset| run_start + offset); |
| 1058 | let run = run_start..run_end; |
| 1059 | run_start = run_end; |
| 1060 | let run_width: usize = run.clone().map(cell_width).sum(); |
| 1061 | if current_width + run_width <= width { |
| 1062 | current.end = run.end; |
| 1063 | current_width += run_width; |
| 1064 | has_content |= !is_space; |
| 1065 | continue; |
| 1066 | } |
| 1067 | if has_content { |
| 1068 | let mut kept = current.end; |
| 1069 | while kept > current.start && graphemes[kept - 1].2 { |
| 1070 | kept -= 1; |
| 1071 | } |
| 1072 | rows.push(current.start..kept); |
| 1073 | current_width = 0; |
| 1074 | has_content = false; |
| 1075 | current = run.end..run.end; |
| 1076 | if is_space { |
| 1077 | continue; |
| 1078 | } |
| 1079 | current = run.clone(); |
| 1080 | if run_width <= width { |
| 1081 | current_width = run_width; |
| 1082 | has_content = true; |
| 1083 | continue; |
| 1084 | } |
| 1085 | current.end = run.start; |
| 1086 | } |
| 1087 | // Split an over-wide word (or indent) between whole graphemes. |
| 1088 | for index in run { |
| 1089 | let char_width = cell_width(index); |
| 1090 | if current_width + char_width > width && current_width > 0 { |
| 1091 | rows.push(current.clone()); |
| 1092 | current = index..index; |
| 1093 | current_width = 0; |
| 1094 | } |
| 1095 | current.end = index + 1; |
| 1096 | current_width += char_width; |
| 1097 | } |
| 1098 | has_content |= !is_space; |
| 1099 | } |
| 1100 | |
| 1101 | rows.push(current); |
| 1102 | let boundary = |index: usize| graphemes.get(index).map_or(cells.len(), |cell| cell.0); |
| 1103 | rows.into_iter() |
| 1104 | .map(|range| boundary(range.start)..boundary(range.end)) |
| 1105 | .collect() |
| 1106 | } |
| 1107 | |
| 1108 | #[cfg(test)] |
| 1109 | mod tests { |
| 1110 | use super::*; |
| 1111 | use ratatui::text::Line; |
| 1112 | |
| 1113 | fn make_pager(lines: usize) -> PagerView { |
| 1114 | let lines: Vec<Line<'static>> = (0..lines) |
| 1115 | .map(|i| Line::from(format!("line-{i:03}"))) |
| 1116 | .collect(); |
| 1117 | PagerView::new("T", lines) |
| 1118 | } |
| 1119 | |
| 1120 | fn key(code: KeyCode) -> KeyEvent { |
| 1121 | KeyEvent::new(code, KeyModifiers::NONE) |
| 1122 | } |
| 1123 | |
| 1124 | fn key_mod(code: KeyCode, mods: KeyModifiers) -> KeyEvent { |
| 1125 | KeyEvent::new(code, mods) |
| 1126 | } |
| 1127 | |
| 1128 | fn ctrl(code: KeyCode) -> KeyEvent { |
| 1129 | KeyEvent::new(code, KeyModifiers::CONTROL) |
| 1130 | } |
| 1131 | |
| 1132 | #[test] |
| 1133 | fn destructive_action_requires_two_steps_and_escape_only_disarms() { |
| 1134 | let mut pager = make_pager(2).with_destructive_action( |
| 1135 | 's', |
| 1136 | "stop", |
| 1137 | "confirm stop · Esc cancels", |
| 1138 | ViewEvent::SidebarAgentCancel { |
| 1139 | agent_id: "agent_1".to_string(), |
| 1140 | }, |
| 1141 | ); |
| 1142 | |
| 1143 | assert!(matches!( |
| 1144 | pager.handle_key(key(KeyCode::Char('s'))), |
| 1145 | ViewAction::None |
| 1146 | )); |
| 1147 | assert!(matches!( |
| 1148 | pager.handle_key(key(KeyCode::Esc)), |
| 1149 | ViewAction::None |
| 1150 | )); |
| 1151 | assert!(matches!( |
| 1152 | pager.handle_key(key(KeyCode::Esc)), |
| 1153 | ViewAction::Close |
| 1154 | )); |
| 1155 | |
| 1156 | let _ = pager.handle_key(key(KeyCode::Char('s'))); |
| 1157 | assert!(matches!( |
| 1158 | pager.handle_key(key(KeyCode::Enter)), |
| 1159 | ViewAction::EmitAndClose(ViewEvent::SidebarAgentCancel { agent_id }) |
| 1160 | if agent_id == "agent_1" |
| 1161 | )); |
| 1162 | } |
| 1163 | |
| 1164 | #[test] |
| 1165 | fn command_review_confirms_the_pinned_command_with_keys_or_painted_mouse_control() { |
| 1166 | let command = format!( |
| 1167 | "/plugin trust fixture {}.{}", |
| 1168 | "a".repeat(64), |
| 1169 | "b".repeat(64) |
| 1170 | ); |
| 1171 | for (width, height) in [(40, 12), (80, 24), (140, 40)] { |
| 1172 | let mut pager = PagerView::command_review( |
| 1173 | "Review fixture", |
| 1174 | "Exact reviewed capabilities", |
| 1175 | width - 2, |
| 1176 | command.clone(), |
| 1177 | codewhale_localization::Locale::En, |
| 1178 | ); |
| 1179 | for modifiers in [ |
| 1180 | KeyModifiers::CONTROL, |
| 1181 | KeyModifiers::ALT, |
| 1182 | KeyModifiers::SUPER, |
| 1183 | ] { |
| 1184 | assert!(matches!( |
| 1185 | pager.handle_key(KeyEvent::new(KeyCode::Char('y'), modifiers)), |
| 1186 | ViewAction::None |
| 1187 | )); |
| 1188 | assert!(!pager.destructive_action.as_ref().unwrap().armed); |
| 1189 | } |
| 1190 | assert!(matches!( |
| 1191 | pager.handle_key(KeyEvent::new_with_kind( |
| 1192 | KeyCode::Char('y'), |
| 1193 | KeyModifiers::NONE, |
| 1194 | KeyEventKind::Repeat |
| 1195 | )), |
| 1196 | ViewAction::None |
| 1197 | )); |
| 1198 | assert!(!pager.destructive_action.as_ref().unwrap().armed); |
| 1199 | let ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) = |
| 1200 | pager.handle_key(key(KeyCode::Char('c'))) |
| 1201 | else { |
| 1202 | panic!("copy exposes the pinned command"); |
| 1203 | }; |
| 1204 | assert_eq!(text, command); |
| 1205 | let area = Rect::new(0, 0, width, height); |
| 1206 | let mut buffer = Buffer::empty(area); |
| 1207 | pager.render(area, &mut buffer); |
| 1208 | let rendered: String = buffer.content.iter().map(|cell| cell.symbol()).collect(); |
| 1209 | assert!(rendered.contains("Confirm"), "{rendered}"); |
| 1210 | assert!( |
| 1211 | !rendered.contains("disable"), |
| 1212 | "generic review must not describe an unrelated action" |
| 1213 | ); |
| 1214 | let button = pager |
| 1215 | .action_area |
| 1216 | .get() |
| 1217 | .expect("visible confirmation control"); |
| 1218 | assert!(button.width > 0 && button.bottom() <= height); |
| 1219 | let click = |button: Rect| MouseEvent { |
| 1220 | kind: MouseEventKind::Down(MouseButton::Left), |
| 1221 | column: button.x, |
| 1222 | row: button.y, |
| 1223 | modifiers: KeyModifiers::NONE, |
| 1224 | }; |
| 1225 | assert!(matches!( |
| 1226 | pager.handle_mouse(click(button)), |
| 1227 | ViewAction::None |
| 1228 | )); |
| 1229 | assert!(pager.destructive_action.as_ref().unwrap().armed); |
| 1230 | assert!(matches!( |
| 1231 | pager.handle_key(KeyEvent::new_with_kind( |
| 1232 | KeyCode::Enter, |
| 1233 | KeyModifiers::NONE, |
| 1234 | KeyEventKind::Repeat |
| 1235 | )), |
| 1236 | ViewAction::None |
| 1237 | )); |
| 1238 | pager.render(area, &mut buffer); |
| 1239 | let ViewAction::EmitAndClose(ViewEvent::CommandPaletteSelected { |
| 1240 | action: crate::tui::views::CommandPaletteAction::ExecuteCommand { command: actual }, |
| 1241 | }) = pager.handle_mouse(click(pager.action_area.get().unwrap())) |
| 1242 | else { |
| 1243 | panic!("second click confirms the reviewed command"); |
| 1244 | }; |
| 1245 | assert_eq!(actual, command); |
| 1246 | } |
| 1247 | } |
| 1248 | |
| 1249 | /// Drive a render once so `last_visible_height` is populated and paging |
| 1250 | /// keys use a deterministic page size. |
| 1251 | fn prime_layout(view: &mut PagerView, height: u16) { |
| 1252 | let area = Rect::new(0, 0, 40, height); |
| 1253 | let mut buf = Buffer::empty(area); |
| 1254 | view.render(area, &mut buf); |
| 1255 | } |
| 1256 | |
| 1257 | #[test] |
| 1258 | fn j_scrolls_down_one_line() { |
| 1259 | let mut p = make_pager(50); |
| 1260 | let _ = p.handle_key(key(KeyCode::Char('j'))); |
| 1261 | assert_eq!(p.scroll.get(), 1); |
| 1262 | } |
| 1263 | |
| 1264 | #[test] |
| 1265 | fn k_scrolls_up_one_line() { |
| 1266 | let mut p = make_pager(50); |
| 1267 | p.scroll.set(5); |
| 1268 | let _ = p.handle_key(key(KeyCode::Char('k'))); |
| 1269 | assert_eq!(p.scroll.get(), 4); |
| 1270 | } |
| 1271 | |
| 1272 | #[test] |
| 1273 | fn gg_jumps_to_top() { |
| 1274 | let mut p = make_pager(50); |
| 1275 | p.scroll.set(30); |
| 1276 | let _ = p.handle_key(key(KeyCode::Char('g'))); |
| 1277 | assert!(p.pending_g, "first 'g' should arm pending_g"); |
| 1278 | assert_eq!(p.scroll.get(), 30, "first 'g' alone must not scroll"); |
| 1279 | let _ = p.handle_key(key(KeyCode::Char('g'))); |
| 1280 | assert_eq!(p.scroll.get(), 0); |
| 1281 | assert!(!p.pending_g); |
| 1282 | } |
| 1283 | |
| 1284 | #[test] |
| 1285 | fn home_jumps_to_top() { |
| 1286 | let mut p = make_pager(50); |
| 1287 | p.scroll.set(30); |
| 1288 | let _ = p.handle_key(key(KeyCode::Home)); |
| 1289 | assert_eq!(p.scroll.get(), 0); |
| 1290 | } |
| 1291 | |
| 1292 | #[test] |
| 1293 | fn shift_g_jumps_to_bottom() { |
| 1294 | let mut p = make_pager(50); |
| 1295 | let _ = p.handle_key(key(KeyCode::Char('G'))); |
| 1296 | assert_eq!(p.scroll.get(), p.max_scroll()); |
| 1297 | } |
| 1298 | |
| 1299 | #[test] |
| 1300 | fn end_jumps_to_bottom() { |
| 1301 | let mut p = make_pager(50); |
| 1302 | let _ = p.handle_key(key(KeyCode::End)); |
| 1303 | assert_eq!(p.scroll.get(), p.max_scroll()); |
| 1304 | } |
| 1305 | |
| 1306 | #[test] |
| 1307 | fn up_immediately_scrolls_after_shift_g_to_bottom() { |
| 1308 | let mut p = make_pager(50); |
| 1309 | prime_layout(&mut p, 22); |
| 1310 | let bottom = p.max_scroll(); |
| 1311 | |
| 1312 | let _ = p.handle_key(key(KeyCode::Char('G'))); |
| 1313 | assert_eq!(p.scroll.get(), bottom); |
| 1314 | let _ = p.handle_key(key(KeyCode::Up)); |
| 1315 | assert_eq!(p.scroll.get(), bottom - 1); |
| 1316 | let _ = p.handle_key(key(KeyCode::Char('k'))); |
| 1317 | assert_eq!(p.scroll.get(), bottom - 2); |
| 1318 | } |
| 1319 | |
| 1320 | #[test] |
| 1321 | fn k_immediately_scrolls_after_end_to_bottom() { |
| 1322 | let mut p = make_pager(50); |
| 1323 | prime_layout(&mut p, 22); |
| 1324 | let bottom = p.max_scroll(); |
| 1325 | |
| 1326 | let _ = p.handle_key(key(KeyCode::End)); |
| 1327 | assert_eq!(p.scroll.get(), bottom); |
| 1328 | let _ = p.handle_key(key(KeyCode::Char('k'))); |
| 1329 | assert_eq!(p.scroll.get(), bottom - 1); |
| 1330 | } |
| 1331 | |
| 1332 | #[test] |
| 1333 | fn ctrl_d_half_page_down() { |
| 1334 | let mut p = make_pager(200); |
| 1335 | prime_layout(&mut p, 22); |
| 1336 | let half = p.half_page_height(); |
| 1337 | assert!(half >= 1, "half-page must move at least one line"); |
| 1338 | let _ = p.handle_key(ctrl(KeyCode::Char('d'))); |
| 1339 | assert_eq!(p.scroll.get(), half); |
| 1340 | } |
| 1341 | |
| 1342 | #[test] |
| 1343 | fn ctrl_u_half_page_up() { |
| 1344 | let mut p = make_pager(200); |
| 1345 | prime_layout(&mut p, 22); |
| 1346 | p.scroll.set(50); |
| 1347 | let half = p.half_page_height(); |
| 1348 | let _ = p.handle_key(ctrl(KeyCode::Char('u'))); |
| 1349 | assert_eq!(p.scroll.get(), 50 - half); |
| 1350 | } |
| 1351 | |
| 1352 | #[test] |
| 1353 | fn ctrl_f_full_page_down() { |
| 1354 | let mut p = make_pager(200); |
| 1355 | prime_layout(&mut p, 22); |
| 1356 | let page = p.page_height(); |
| 1357 | let _ = p.handle_key(ctrl(KeyCode::Char('f'))); |
| 1358 | assert_eq!(p.scroll.get(), page); |
| 1359 | } |
| 1360 | |
| 1361 | #[test] |
| 1362 | fn ctrl_b_full_page_up() { |
| 1363 | let mut p = make_pager(200); |
| 1364 | prime_layout(&mut p, 22); |
| 1365 | p.scroll.set(80); |
| 1366 | let page = p.page_height(); |
| 1367 | let _ = p.handle_key(ctrl(KeyCode::Char('b'))); |
| 1368 | assert_eq!(p.scroll.get(), 80 - page); |
| 1369 | } |
| 1370 | |
| 1371 | #[test] |
| 1372 | fn space_pages_down() { |
| 1373 | let mut p = make_pager(200); |
| 1374 | prime_layout(&mut p, 22); |
| 1375 | let page = p.page_height(); |
| 1376 | let _ = p.handle_key(key(KeyCode::Char(' '))); |
| 1377 | assert_eq!(p.scroll.get(), page); |
| 1378 | } |
| 1379 | |
| 1380 | #[test] |
| 1381 | fn shift_space_pages_up() { |
| 1382 | let mut p = make_pager(200); |
| 1383 | prime_layout(&mut p, 22); |
| 1384 | p.scroll.set(80); |
| 1385 | let page = p.page_height(); |
| 1386 | let _ = p.handle_key(key_mod(KeyCode::Char(' '), KeyModifiers::SHIFT)); |
| 1387 | assert_eq!(p.scroll.get(), 80 - page); |
| 1388 | } |
| 1389 | |
| 1390 | #[test] |
| 1391 | fn page_down_uses_cached_visible_height() { |
| 1392 | let mut p = make_pager(200); |
| 1393 | prime_layout(&mut p, 22); |
| 1394 | let page = p.page_height(); |
| 1395 | let _ = p.handle_key(key(KeyCode::PageDown)); |
| 1396 | assert_eq!(p.scroll.get(), page); |
| 1397 | } |
| 1398 | |
| 1399 | #[test] |
| 1400 | fn q_closes_pager() { |
| 1401 | let mut p = make_pager(10); |
| 1402 | let action = p.handle_key(key(KeyCode::Char('q'))); |
| 1403 | assert!(matches!(action, ViewAction::Close)); |
| 1404 | } |
| 1405 | |
| 1406 | #[test] |
| 1407 | fn esc_closes_pager() { |
| 1408 | let mut p = make_pager(10); |
| 1409 | let action = p.handle_key(key(KeyCode::Esc)); |
| 1410 | assert!(matches!(action, ViewAction::Close)); |
| 1411 | } |
| 1412 | |
| 1413 | #[test] |
| 1414 | fn multi_page_switch_resets_view_state_and_keeps_copy_export_page_scoped() { |
| 1415 | let first = |
| 1416 | PagerPage::from_text("Turns", "first displayed", 80).with_copy_text("FIRST-SOURCE"); |
| 1417 | let latest = PagerPage::from_text("Turns", "latest displayed", 80) |
| 1418 | .with_copy_text("LATEST-SOURCE") |
| 1419 | .with_export_markdown("LATEST-HANDOFF"); |
| 1420 | let mut pager = PagerView::from_pages(vec![first, latest], 1); |
| 1421 | pager.scroll.set(4); |
| 1422 | pager.search_input = "latest".to_string(); |
| 1423 | *pager.search_matches.get_mut() = vec![0]; |
| 1424 | |
| 1425 | assert!(matches!( |
| 1426 | pager.handle_key(key(KeyCode::Left)), |
| 1427 | ViewAction::None |
| 1428 | )); |
| 1429 | assert_eq!(pager.body_text(), "first displayed"); |
| 1430 | assert_eq!(pager.scroll.get(), 0); |
| 1431 | assert!(pager.search_input.is_empty()); |
| 1432 | assert!(pager.search_matches.borrow().is_empty()); |
| 1433 | assert!(matches!( |
| 1434 | pager.handle_key(key(KeyCode::Char('c'))), |
| 1435 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) if text == "FIRST-SOURCE" |
| 1436 | )); |
| 1437 | assert!(matches!( |
| 1438 | pager.handle_key(key(KeyCode::Char('e'))), |
| 1439 | ViewAction::None |
| 1440 | )); |
| 1441 | |
| 1442 | let _ = pager.handle_key(key(KeyCode::Right)); |
| 1443 | assert!(matches!( |
| 1444 | pager.handle_key(key(KeyCode::Char('e'))), |
| 1445 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) if text == "LATEST-HANDOFF" |
| 1446 | )); |
| 1447 | } |
| 1448 | |
| 1449 | #[test] |
| 1450 | fn g_does_not_consume_search_input() { |
| 1451 | // While in search mode, 'g' must be treated as a search character, |
| 1452 | // not as the half of a `gg` jump-to-top sequence. |
| 1453 | let mut p = make_pager(50); |
| 1454 | p.scroll.set(10); |
| 1455 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1456 | assert!(p.search_mode); |
| 1457 | let _ = p.handle_key(key(KeyCode::Char('g'))); |
| 1458 | assert_eq!(p.search_input, "g"); |
| 1459 | assert_eq!(p.scroll.get(), 10); |
| 1460 | } |
| 1461 | |
| 1462 | #[test] |
| 1463 | fn footer_hint_includes_new_bindings() { |
| 1464 | // The rendered pager must surface the new vim-style bindings to the |
| 1465 | // user. The footer is now a wrapping ActionHint row inside the modal |
| 1466 | // body (not the bottom border), so assert against the rendered buffer. |
| 1467 | let p = make_pager(5); |
| 1468 | let area = Rect::new(0, 0, 100, 16); |
| 1469 | let mut buf = Buffer::empty(area); |
| 1470 | p.render(area, &mut buf); |
| 1471 | let mut text = String::new(); |
| 1472 | for y in 0..area.height { |
| 1473 | for x in 0..area.width { |
| 1474 | text.push_str(buf[(x, y)].symbol()); |
| 1475 | } |
| 1476 | text.push('\n'); |
| 1477 | } |
| 1478 | for needle in &[ |
| 1479 | "j/k", |
| 1480 | "scroll", |
| 1481 | "g/G", |
| 1482 | "top/bottom", |
| 1483 | "Space", |
| 1484 | "page", |
| 1485 | "Ctrl+D/U", |
| 1486 | "half", |
| 1487 | "search", |
| 1488 | "copy", |
| 1489 | "q/Esc", |
| 1490 | "close", |
| 1491 | ] { |
| 1492 | assert!(text.contains(needle), "footer hint missing {needle:?}"); |
| 1493 | } |
| 1494 | } |
| 1495 | |
| 1496 | #[test] |
| 1497 | fn body_cells_carry_explicit_ink_on_the_dark_surface() { |
| 1498 | // The pager paints WHALE_BG behind the body, so a body span |
| 1499 | // without its own fg inherits the terminal default, black ink on |
| 1500 | // light-profile terminals, i.e. black-on-black. The base paragraph |
| 1501 | // style must pin every text cell to the body ink. |
| 1502 | let p = make_pager(3); |
| 1503 | let area = Rect::new(0, 0, 100, 16); |
| 1504 | let mut buf = Buffer::empty(area); |
| 1505 | p.render(area, &mut buf); |
| 1506 | let mut checked = 0; |
| 1507 | for y in 0..area.height { |
| 1508 | let mut row = String::new(); |
| 1509 | for x in 0..area.width { |
| 1510 | row.push_str(buf[(x, y)].symbol()); |
| 1511 | } |
| 1512 | if !row.contains("line-") { |
| 1513 | continue; |
| 1514 | } |
| 1515 | for x in 0..area.width { |
| 1516 | let cell = &buf[(x, y)]; |
| 1517 | if cell.symbol().trim().is_empty() { |
| 1518 | continue; |
| 1519 | } |
| 1520 | assert_eq!( |
| 1521 | cell.style().fg, |
| 1522 | Some(palette::TEXT_PRIMARY), |
| 1523 | "body cell ({x}, {y}) must carry explicit body ink", |
| 1524 | ); |
| 1525 | checked += 1; |
| 1526 | } |
| 1527 | } |
| 1528 | assert!(checked > 0, "expected body rows in the rendered pager"); |
| 1529 | } |
| 1530 | |
| 1531 | #[test] |
| 1532 | fn c_emits_copy_event_with_full_body() { |
| 1533 | // #1354: the pager intercepts mouse capture, so users have no way to |
| 1534 | // copy content out without an in-app key. Both `c` and `y` should |
| 1535 | // emit a CopyToClipboard event carrying the whole body so the host |
| 1536 | // dispatcher (in ui.rs) can write through `app.clipboard` and toast |
| 1537 | // a confirmation. |
| 1538 | let mut p = make_pager(3); |
| 1539 | let action = p.handle_key(key(KeyCode::Char('c'))); |
| 1540 | match action { |
| 1541 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, label }) => { |
| 1542 | assert_eq!(text, "line-000\nline-001\nline-002"); |
| 1543 | assert_eq!(label, "Pager content"); |
| 1544 | } |
| 1545 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1546 | } |
| 1547 | } |
| 1548 | |
| 1549 | #[test] |
| 1550 | fn a_emits_copy_event_with_attached_answer_only() { |
| 1551 | // `a` copies the attached answer-only payload — never the rendered |
| 1552 | // body, which may carry scaffolding around the answer. |
| 1553 | let mut pager = PagerView::from_text("Turn Inspector", "[◆ · done] body", 40) |
| 1554 | .with_copy_answer("CLEAN-ANSWER"); |
| 1555 | let action = pager.handle_key(key(KeyCode::Char('a'))); |
| 1556 | match action { |
| 1557 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, label }) => { |
| 1558 | assert_eq!(text, "CLEAN-ANSWER"); |
| 1559 | assert_eq!(label, "Answer"); |
| 1560 | } |
| 1561 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1562 | } |
| 1563 | |
| 1564 | // Without an attached answer `a` stays inert; it must never fall |
| 1565 | // back to copying the rendered body. |
| 1566 | let mut plain = PagerView::from_text("T", "body", 40); |
| 1567 | assert!(matches!( |
| 1568 | plain.handle_key(key(KeyCode::Char('a'))), |
| 1569 | ViewAction::None |
| 1570 | )); |
| 1571 | } |
| 1572 | |
| 1573 | #[test] |
| 1574 | fn copy_override_preserves_indentation_tabs_and_blank_lines() { |
| 1575 | let source = "Result:\n indented\n\twith-tab\n\nnext"; |
| 1576 | let mut pager = PagerView::from_text("T", source, 12).with_copy_text(source); |
| 1577 | |
| 1578 | let action = pager.handle_key(key(KeyCode::Char('c'))); |
| 1579 | match action { |
| 1580 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) => { |
| 1581 | assert_eq!(text, source); |
| 1582 | } |
| 1583 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1584 | } |
| 1585 | } |
| 1586 | |
| 1587 | #[test] |
| 1588 | fn from_text_keeps_one_display_row_per_blank_source_line() { |
| 1589 | let pager = PagerView::from_text("T", "first\n\nthird", 80); |
| 1590 | assert_eq!(pager.body_text(), "first\n\nthird"); |
| 1591 | } |
| 1592 | |
| 1593 | #[test] |
| 1594 | fn from_text_strips_csi_mouse_and_osc_sequences() { |
| 1595 | // A worker transcript can carry captured terminal bytes (a child TUI's |
| 1596 | // mouse-tracking handshake, SGR color, OSC hyperlinks). Rendering them |
| 1597 | // raw emits the escapes to the user's terminal, which re-enables mouse |
| 1598 | // reporting after exit and leaves the shell executing fragments. |
| 1599 | let hostile = "── assistant ──\n\ |
| 1600 | enabling \u{1b}[?1003h\u{1b}[?1006h mouse tracking\n\ |
| 1601 | click bytes \u{1b}[<65;72;17M\u{1b}[<35;131;42M arrived\n\ |
| 1602 | \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\ |
| 1603 | trailing stray \u{1b}\u{7}bytes\u{1b}c done"; |
| 1604 | let pager = PagerView::from_text("Agent transcript", hostile, 200); |
| 1605 | let body = pager.body_text(); |
| 1606 | assert!( |
| 1607 | !body.contains('\u{1b}'), |
| 1608 | "no ESC byte may survive into the pager body: {body:?}" |
| 1609 | ); |
| 1610 | assert!( |
| 1611 | !body.contains('\u{7}'), |
| 1612 | "no BEL byte may survive into the pager body: {body:?}" |
| 1613 | ); |
| 1614 | for fragment in ["?1003h", "?1006h", "<65;72;17M", "<35;131;42M", "]8;;"] { |
| 1615 | assert!( |
| 1616 | !body.contains(fragment), |
| 1617 | "escape fragment {fragment:?} must be stripped, not painted: {body:?}" |
| 1618 | ); |
| 1619 | } |
| 1620 | assert!(body.contains("red text"), "visible text survives: {body:?}"); |
| 1621 | assert!(body.contains("OSC link"), "link label survives: {body:?}"); |
| 1622 | assert!(body.contains("done"), "trailing text survives: {body:?}"); |
| 1623 | } |
| 1624 | |
| 1625 | #[test] |
| 1626 | fn from_text_sanitizes_jsonl_transcript_shaped_content() { |
| 1627 | // Regression for the sub-agent transcript pager corrupting the parent |
| 1628 | // terminal: content shaped like the raw artifact lines, with embedded |
| 1629 | // mouse/CSI sequences inside a tool result, must render inert. |
| 1630 | let transcript_like = concat!( |
| 1631 | "── assistant ──\n", |
| 1632 | "I'll run the build now.\n", |
| 1633 | "← tool result (call-1)\n", |
| 1634 | // JSON-escaped text is literal backslash-u bytes — inert, kept as-is. |
| 1635 | "{\"line\":\"\\u{1b}[<0;9;4Mprogress done\"}\n", |
| 1636 | // Raw event bytes are the dangerous form and must be stripped. |
| 1637 | "raw \u{1b}[<0;10;5M event bytes\u{1b}[2K after\n", |
| 1638 | ); |
| 1639 | let pager = PagerView::from_text("Agent transcript", transcript_like, 200); |
| 1640 | let body = pager.body_text(); |
| 1641 | assert!(!body.contains('\u{1b}'), "inert body required: {body:?}"); |
| 1642 | assert!( |
| 1643 | !body.contains("<0;10;5M"), |
| 1644 | "mouse event fragment must not render: {body:?}" |
| 1645 | ); |
| 1646 | assert!( |
| 1647 | body.contains("progress") && body.contains("after"), |
| 1648 | "readable content survives: {body:?}" |
| 1649 | ); |
| 1650 | } |
| 1651 | |
| 1652 | #[test] |
| 1653 | fn y_emits_copy_event_for_vim_users() { |
| 1654 | let mut p = make_pager(3); |
| 1655 | let action = p.handle_key(key(KeyCode::Char('y'))); |
| 1656 | assert!( |
| 1657 | matches!(action, ViewAction::Emit(ViewEvent::CopyToClipboard { .. })), |
| 1658 | "y must emit a copy event for vim-yank parity" |
| 1659 | ); |
| 1660 | } |
| 1661 | |
| 1662 | #[test] |
| 1663 | fn e_exports_turn_handoff_when_attached() { |
| 1664 | // #4108: the Turn Inspector pager carries a compact Markdown handoff; |
| 1665 | // `e` copies that artifact (not the visible inspector body) to the |
| 1666 | // clipboard via the host dispatcher. |
| 1667 | let mut p = make_pager(3).with_export_markdown("# Turn handoff\n\n## Intent\ndo the thing"); |
| 1668 | let action = p.handle_key(key(KeyCode::Char('e'))); |
| 1669 | match action { |
| 1670 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, label }) => { |
| 1671 | assert!(text.contains("# Turn handoff"), "handoff text: {text}"); |
| 1672 | assert_eq!(label, "Turn handoff"); |
| 1673 | } |
| 1674 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1675 | } |
| 1676 | } |
| 1677 | |
| 1678 | #[test] |
| 1679 | fn e_is_inert_without_an_attached_handoff() { |
| 1680 | // Every other pager leaves `e` unbound so it never surprises the user. |
| 1681 | let mut p = make_pager(3); |
| 1682 | assert!(matches!( |
| 1683 | p.handle_key(key(KeyCode::Char('e'))), |
| 1684 | ViewAction::None |
| 1685 | )); |
| 1686 | } |
| 1687 | |
| 1688 | #[test] |
| 1689 | fn copy_keys_inert_in_search_mode() { |
| 1690 | // Within `/`-search mode `c` and `y` must be treated as search |
| 1691 | // characters, not as a copy trigger — otherwise users typing a |
| 1692 | // query that contains either letter would lose their input. |
| 1693 | let mut p = make_pager(10); |
| 1694 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1695 | assert!(p.search_mode); |
| 1696 | let action = p.handle_key(key(KeyCode::Char('c'))); |
| 1697 | assert!(matches!(action, ViewAction::None)); |
| 1698 | assert_eq!(p.search_input, "c"); |
| 1699 | } |
| 1700 | |
| 1701 | #[test] |
| 1702 | fn footer_hint_is_rendered_in_buffer() { |
| 1703 | let p = make_pager(5); |
| 1704 | let area = Rect::new(0, 0, 100, 10); |
| 1705 | let mut buf = Buffer::empty(area); |
| 1706 | p.render(area, &mut buf); |
| 1707 | // The footer is now anchored to the bottom of the modal body (above the |
| 1708 | // padding/border) rather than painted on the border, so scan the whole |
| 1709 | // frame for the action labels. |
| 1710 | let mut text = String::new(); |
| 1711 | for y in 0..area.height { |
| 1712 | for x in 0..area.width { |
| 1713 | text.push_str(buf[(x, y)].symbol()); |
| 1714 | } |
| 1715 | text.push('\n'); |
| 1716 | } |
| 1717 | assert!( |
| 1718 | text.contains("close") || text.contains("scroll"), |
| 1719 | "expected footer hint in rendered pager, got:\n{text}" |
| 1720 | ); |
| 1721 | } |
| 1722 | |
| 1723 | /// `/` opens the search prompt; typing chars accumulates them; Enter |
| 1724 | /// commits and jumps to the first match. The matches index/count line |
| 1725 | /// must surface in the rendered buffer afterwards. |
| 1726 | #[test] |
| 1727 | fn search_finds_matches_and_renders_match_counter() { |
| 1728 | let mut p = make_pager(20); |
| 1729 | prime_layout(&mut p, 16); |
| 1730 | |
| 1731 | // Open search. |
| 1732 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1733 | // Type "5" to match line-005, line-015 (any line whose number contains |
| 1734 | // a 5 — make_pager produced "line-NNN" with three-digit indices). |
| 1735 | for ch in "5".chars() { |
| 1736 | let _ = p.handle_key(key(KeyCode::Char(ch))); |
| 1737 | } |
| 1738 | // Commit. |
| 1739 | let _ = p.handle_key(key(KeyCode::Enter)); |
| 1740 | |
| 1741 | // Render and look for the "match X/Y" status line. |
| 1742 | let area = Rect::new(0, 0, 60, 16); |
| 1743 | let mut buf = Buffer::empty(area); |
| 1744 | p.render(area, &mut buf); |
| 1745 | let mut full = String::new(); |
| 1746 | for y in 0..area.height { |
| 1747 | for x in 0..area.width { |
| 1748 | full.push_str(buf[(x, y)].symbol()); |
| 1749 | } |
| 1750 | full.push('\n'); |
| 1751 | } |
| 1752 | assert!( |
| 1753 | full.contains("match 1/2") || full.contains("match 1/3"), |
| 1754 | "expected match counter; got buffer:\n{full}" |
| 1755 | ); |
| 1756 | } |
| 1757 | |
| 1758 | /// Esc while in search mode bails out AND clears the highlighted matches |
| 1759 | /// so the un-highlighted view returns. (Codex parity.) |
| 1760 | #[test] |
| 1761 | fn esc_in_search_mode_clears_matches() { |
| 1762 | let mut p = make_pager(20); |
| 1763 | prime_layout(&mut p, 16); |
| 1764 | |
| 1765 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1766 | let _ = p.handle_key(key(KeyCode::Char('5'))); |
| 1767 | let _ = p.handle_key(key(KeyCode::Enter)); |
| 1768 | assert!(!p.search_matches.borrow().is_empty()); |
| 1769 | |
| 1770 | // Re-enter search mode and Esc out — matches must clear. |
| 1771 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1772 | let _ = p.handle_key(key(KeyCode::Esc)); |
| 1773 | assert!(p.search_matches.borrow().is_empty()); |
| 1774 | assert_eq!(p.search_input, ""); |
| 1775 | assert!(!p.search_mode); |
| 1776 | } |
| 1777 | |
| 1778 | /// `n` and `N` cycle forward and backward through matches, wrapping at |
| 1779 | /// the ends without panicking on out-of-bounds index. |
| 1780 | #[test] |
| 1781 | fn n_and_capital_n_cycle_matches_with_wrap() { |
| 1782 | let mut p = make_pager(50); |
| 1783 | prime_layout(&mut p, 16); |
| 1784 | |
| 1785 | // Search "1" — matches every line whose printed index contains a 1. |
| 1786 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1787 | let _ = p.handle_key(key(KeyCode::Char('1'))); |
| 1788 | let _ = p.handle_key(key(KeyCode::Enter)); |
| 1789 | let total = p.search_matches.borrow().len(); |
| 1790 | assert!(total > 1, "test needs multiple matches, got {total}"); |
| 1791 | |
| 1792 | let start = p.search_index.get(); |
| 1793 | let _ = p.handle_key(key(KeyCode::Char('n'))); |
| 1794 | assert_eq!(p.search_index.get(), (start + 1) % total); |
| 1795 | let _ = p.handle_key(key(KeyCode::Char('N'))); |
| 1796 | assert_eq!(p.search_index.get(), start); |
| 1797 | |
| 1798 | // Wrap backwards from 0 → last. |
| 1799 | let _ = p.handle_key(key(KeyCode::Char('N'))); |
| 1800 | assert_eq!(p.search_index.get(), total - 1); |
| 1801 | let _ = p.handle_key(key(KeyCode::Char('n'))); |
| 1802 | assert_eq!(p.search_index.get(), 0); |
| 1803 | } |
| 1804 | |
| 1805 | /// While search matches exist and the prompt is closed, the matched |
| 1806 | /// lines are visually distinguished in the rendered buffer by their |
| 1807 | /// background color. We sample directly across the matched-line text |
| 1808 | /// columns rather than the whole row width because Paragraph leaves |
| 1809 | /// the trailing-area cells at the default background. |
| 1810 | #[test] |
| 1811 | fn matched_lines_get_highlight_background() { |
| 1812 | let mut p = make_pager(20); |
| 1813 | prime_layout(&mut p, 16); |
| 1814 | |
| 1815 | let _ = p.handle_key(key(KeyCode::Char('/'))); |
| 1816 | let _ = p.handle_key(key(KeyCode::Char('5'))); |
| 1817 | let _ = p.handle_key(key(KeyCode::Enter)); |
| 1818 | assert!(!p.search_matches.borrow().is_empty()); |
| 1819 | |
| 1820 | let area = Rect::new(0, 0, 40, 16); |
| 1821 | let mut buf = Buffer::empty(area); |
| 1822 | p.render(area, &mut buf); |
| 1823 | |
| 1824 | // Find the actual painted match: shared compact layout may move it. |
| 1825 | let row = (0..area.height) |
| 1826 | .find(|&y| { |
| 1827 | (0..area.width) |
| 1828 | .map(|x| buf[(x, y)].symbol()) |
| 1829 | .collect::<String>() |
| 1830 | .contains("line-005") |
| 1831 | }) |
| 1832 | .expect("matched text must be visible"); |
| 1833 | let highlighted = (0..area.width) |
| 1834 | .filter(|&x| buf[(x, row)].style().bg == Some(Color::Yellow)) |
| 1835 | .collect::<Vec<_>>(); |
| 1836 | assert_eq!(highlighted.len(), "line-005".len()); |
| 1837 | for x in highlighted { |
| 1838 | assert_eq!(buf[(x, row)].style().fg, Some(Color::Black)); |
| 1839 | } |
| 1840 | } |
| 1841 | |
| 1842 | #[test] |
| 1843 | fn mouse_scroll_up_scrolls_content() { |
| 1844 | let mut p = make_pager(50); |
| 1845 | p.scroll.set(10); |
| 1846 | let action = p.handle_mouse(MouseEvent { |
| 1847 | kind: MouseEventKind::ScrollUp, |
| 1848 | column: 0, |
| 1849 | row: 0, |
| 1850 | modifiers: KeyModifiers::NONE, |
| 1851 | }); |
| 1852 | |
| 1853 | assert_eq!(p.scroll.get(), 7); |
| 1854 | assert!(matches!(action, ViewAction::None)); |
| 1855 | } |
| 1856 | |
| 1857 | #[test] |
| 1858 | fn mouse_scroll_down_scrolls_content() { |
| 1859 | let mut p = make_pager(50); |
| 1860 | prime_layout(&mut p, 20); |
| 1861 | p.scroll.set(10); |
| 1862 | let action = p.handle_mouse(MouseEvent { |
| 1863 | kind: MouseEventKind::ScrollDown, |
| 1864 | column: 0, |
| 1865 | row: 0, |
| 1866 | modifiers: KeyModifiers::NONE, |
| 1867 | }); |
| 1868 | |
| 1869 | assert_eq!(p.scroll.get(), 13); |
| 1870 | assert!(matches!(action, ViewAction::None)); |
| 1871 | } |
| 1872 | |
| 1873 | #[test] |
| 1874 | fn mouse_scroll_down_clamps_to_pager_bottom() { |
| 1875 | let mut p = make_pager(50); |
| 1876 | prime_layout(&mut p, 20); |
| 1877 | let bottom = p.max_scroll(); |
| 1878 | |
| 1879 | for _ in 0..100 { |
| 1880 | let _ = p.handle_mouse(MouseEvent { |
| 1881 | kind: MouseEventKind::ScrollDown, |
| 1882 | column: 0, |
| 1883 | row: 0, |
| 1884 | modifiers: KeyModifiers::NONE, |
| 1885 | }); |
| 1886 | } |
| 1887 | |
| 1888 | assert_eq!(p.scroll.get(), bottom); |
| 1889 | } |
| 1890 | |
| 1891 | #[test] |
| 1892 | fn pager_is_usable_and_opaque_at_blocker_sizes() { |
| 1893 | use crate::tui::views::ViewStack; |
| 1894 | |
| 1895 | const BLOCKER_SIZES: [(u16, u16); 4] = [(80, 24), (100, 30), (120, 32), (160, 40)]; |
| 1896 | for (w, h) in BLOCKER_SIZES { |
| 1897 | let area = Rect::new(0, 0, w, h); |
| 1898 | let mut buf = Buffer::empty(area); |
| 1899 | for y in 0..h { |
| 1900 | for x in 0..w { |
| 1901 | buf[(x, y)].set_symbol("X"); |
| 1902 | } |
| 1903 | } |
| 1904 | let mut stack = ViewStack::new(); |
| 1905 | stack.push(make_pager(60)); |
| 1906 | stack.render(area, &mut buf); |
| 1907 | |
| 1908 | let rows: Vec<String> = (0..h) |
| 1909 | .map(|y| (0..w).map(|x| buf[(x, y)].symbol().to_string()).collect()) |
| 1910 | .collect(); |
| 1911 | let text = rows.join("\n"); |
| 1912 | |
| 1913 | // Footer keeps every action. |
| 1914 | for label in [ |
| 1915 | "close", |
| 1916 | "scroll", |
| 1917 | "page", |
| 1918 | "half", |
| 1919 | "top/bottom", |
| 1920 | "search", |
| 1921 | "copy", |
| 1922 | ] { |
| 1923 | assert!(text.contains(label), "{w}x{h}: footer missing '{label}'"); |
| 1924 | } |
| 1925 | |
| 1926 | // Composited frame is fully opaque. |
| 1927 | assert!(!text.contains('X'), "{w}x{h}: background bleed-through"); |
| 1928 | assert_eq!( |
| 1929 | buf[(w / 2, h / 2)].bg, |
| 1930 | palette::WHALE_BG, |
| 1931 | "{w}x{h}: modal interior must be opaque" |
| 1932 | ); |
| 1933 | |
| 1934 | // No horizontal overflow. |
| 1935 | for (y, row) in rows.iter().enumerate() { |
| 1936 | assert!( |
| 1937 | UnicodeWidthStr::width(row.trim_end()) <= w as usize, |
| 1938 | "{w}x{h}: row {y} overflows width: {row:?}" |
| 1939 | ); |
| 1940 | } |
| 1941 | } |
| 1942 | } |
| 1943 | |
| 1944 | #[test] |
| 1945 | fn wrap_text_keeps_indentation_columns_and_repeated_spaces() { |
| 1946 | assert_eq!(wrap_text(" return x", 40), [" return x"]); |
| 1947 | assert_eq!(wrap_text("\tif ok:", 40), [" if ok:"]); |
| 1948 | assert_eq!(wrap_text("name size", 40), ["name size"]); |
| 1949 | assert_eq!(wrap_text("10%\r20%\u{b}x\u{2028}y", 40), ["10% 20% x y"]); |
| 1950 | // Only the whitespace at a soft break is consumed. |
| 1951 | assert_eq!(wrap_text(" alpha beta", 9), [" alpha", "beta"]); |
| 1952 | // An indent wider than the row still keeps every column it can. |
| 1953 | assert_eq!(wrap_text(" word", 4), [" ", " wo", "rd"]); |
| 1954 | } |
| 1955 | |
| 1956 | #[test] |
| 1957 | fn text_pager_displays_and_copies_code_with_its_indentation() { |
| 1958 | let source = "def f(x):\n if x:\n\treturn x\n\n| a | b |"; |
| 1959 | let mut pager = PagerView::from_text("Selection", source, 80); |
| 1960 | |
| 1961 | assert_eq!( |
| 1962 | pager.body_text(), |
| 1963 | "def f(x):\n if x:\n return x\n\n| a | b |" |
| 1964 | ); |
| 1965 | match pager.handle_key(key(KeyCode::Char('y'))) { |
| 1966 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) => { |
| 1967 | assert_eq!(text, source, "copy must carry the source, not the display"); |
| 1968 | } |
| 1969 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 1970 | } |
| 1971 | } |
| 1972 | |
| 1973 | #[test] |
| 1974 | fn text_pager_rewraps_to_its_body_so_end_reaches_the_last_line() { |
| 1975 | // Callers wrap to the transcript width minus two; the pager body is |
| 1976 | // narrower (margins, padding, scroll rail). Rows that fit the caller's |
| 1977 | // width but not the body used to wrap again in the paragraph, which |
| 1978 | // the scroll arithmetic never counted. |
| 1979 | let mut text: Vec<String> = (0..39) |
| 1980 | .map(|i| format!("row {i:02} {}", "word ".repeat(14).trim_end())) |
| 1981 | .collect(); |
| 1982 | text.push(format!( |
| 1983 | "row 39 {} END-MARKER", |
| 1984 | "word ".repeat(12).trim_end() |
| 1985 | )); |
| 1986 | let text = text.join("\n"); |
| 1987 | let (width, height) = (80u16, 24u16); |
| 1988 | let mut pager = PagerView::from_text("Message", &text, width - 2); |
| 1989 | let area = Rect::new(0, 0, width, height); |
| 1990 | let mut buf = Buffer::empty(area); |
| 1991 | pager.render(area, &mut buf); |
| 1992 | |
| 1993 | let _ = pager.handle_key(key(KeyCode::End)); |
| 1994 | let mut buf = Buffer::empty(area); |
| 1995 | pager.render(area, &mut buf); |
| 1996 | let screen: String = (0..height) |
| 1997 | .map(|y| (0..width).map(|x| buf[(x, y)].symbol()).collect::<String>()) |
| 1998 | .collect::<Vec<_>>() |
| 1999 | .join("\n"); |
| 2000 | assert!( |
| 2001 | screen.contains("END-MARKER"), |
| 2002 | "End must reveal the last line:\n{screen}" |
| 2003 | ); |
| 2004 | } |
| 2005 | |
| 2006 | fn render_screen(pager: &PagerView, width: u16, height: u16) -> String { |
| 2007 | let area = Rect::new(0, 0, width, height); |
| 2008 | let mut buf = Buffer::empty(area); |
| 2009 | pager.render(area, &mut buf); |
| 2010 | (0..height) |
| 2011 | .map(|y| (0..width).map(|x| buf[(x, y)].symbol()).collect::<String>()) |
| 2012 | .collect::<Vec<_>>() |
| 2013 | .join("\n") |
| 2014 | } |
| 2015 | |
| 2016 | #[test] |
| 2017 | fn styled_pager_wraps_to_its_body_so_end_reaches_the_last_line() { |
| 2018 | // A styled row wider than the body used to be wrapped by the |
| 2019 | // paragraph but counted as one row, so End stopped short of the tail. |
| 2020 | let mut lines: Vec<Line<'static>> = (0..39) |
| 2021 | .map(|i| { |
| 2022 | Line::from(vec![ |
| 2023 | Span::styled(format!("row {i:02} "), Style::default().fg(Color::Cyan)), |
| 2024 | Span::raw("word ".repeat(20)), |
| 2025 | ]) |
| 2026 | }) |
| 2027 | .collect(); |
| 2028 | lines.push(Line::from(format!( |
| 2029 | "row 39 {}END-MARKER", |
| 2030 | "word ".repeat(20) |
| 2031 | ))); |
| 2032 | let mut pager = PagerView::new("Models", lines); |
| 2033 | let (width, height) = (80u16, 24u16); |
| 2034 | render_screen(&pager, width, height); |
| 2035 | |
| 2036 | let _ = pager.handle_key(key(KeyCode::End)); |
| 2037 | let screen = render_screen(&pager, width, height); |
| 2038 | assert!( |
| 2039 | screen.contains("END-MARKER"), |
| 2040 | "End must reveal the last line:\n{screen}" |
| 2041 | ); |
| 2042 | // Wrapping keeps each piece's style and copies the unwrapped source. |
| 2043 | let rows = pager.current_page().rows(); |
| 2044 | assert_eq!(rows.styled[0].spans[0].style.fg, Some(Color::Cyan)); |
| 2045 | assert!( |
| 2046 | rows.plain.len() > 40, |
| 2047 | "rows must be wrapped: {}", |
| 2048 | rows.plain.len() |
| 2049 | ); |
| 2050 | drop(rows); |
| 2051 | match pager.handle_key(key(KeyCode::Char('c'))) { |
| 2052 | ViewAction::Emit(ViewEvent::CopyToClipboard { text, .. }) => { |
| 2053 | assert_eq!(text.lines().count(), 40); |
| 2054 | } |
| 2055 | other => panic!("expected CopyToClipboard emit, got {other:?}"), |
| 2056 | } |
| 2057 | } |
| 2058 | |
| 2059 | #[test] |
| 2060 | fn wrap_text_advances_tabs_to_stops_and_drops_bidi_format_chars() { |
| 2061 | assert_eq!(wrap_text("a\tb", 40), ["a b"]); |
| 2062 | assert_eq!(wrap_text("abcd\tb", 40), ["abcd b"]); |
| 2063 | assert_eq!(wrap_text("会\tb", 40), ["会 b"]); |
| 2064 | assert_eq!(wrap_text("left\u{202E}right\u{2066}", 40), ["leftright"]); |
| 2065 | assert_eq!(wrap_text("👩💻\tx", 40), ["👩💻 x"]); |
| 2066 | } |
| 2067 | |
| 2068 | #[test] |
| 2069 | fn pager_wraps_whole_graphemes_and_preserves_their_styles() { |
| 2070 | for grapheme in ["👩💻", "👍🏽", "🇨🇳", "1\u{fe0f}\u{20e3}"] { |
| 2071 | assert_eq!(wrap_text(grapheme, 2), [grapheme]); |
| 2072 | let source = grapheme.repeat(2); |
| 2073 | assert_eq!(wrap_text(&source, 2), [grapheme, grapheme]); |
| 2074 | let style = Style::default().fg(Color::Cyan); |
| 2075 | let rows = PagerRows::wrap_lines(&[Line::from(Span::styled(source, style))], 2); |
| 2076 | assert_eq!(rows.plain, [grapheme, grapheme]); |
| 2077 | assert!( |
| 2078 | rows.styled |
| 2079 | .iter() |
| 2080 | .all(|row| row.spans.len() == 1 && row.spans[0].style == style) |
| 2081 | ); |
| 2082 | } |
| 2083 | assert_eq!(wrap_text("a\u{301}b", 1), ["a\u{301}", "b"]); |
| 2084 | } |
| 2085 | |
| 2086 | #[test] |
| 2087 | fn resize_recomputes_zero_matches_before_reserving_the_status_row() { |
| 2088 | let query = "needle".repeat(10); |
| 2089 | let text = format!("{query}\n{}", "hay\n".repeat(40)); |
| 2090 | let mut pager = PagerView::from_text("Output", &text, 38); |
| 2091 | let no_search = PagerView::from_text("Output", &text, 38); |
| 2092 | render_screen(&pager, 40, 24); |
| 2093 | let _ = pager.handle_key(key(KeyCode::Char('/'))); |
| 2094 | for ch in query.chars() { |
| 2095 | let _ = pager.handle_key(key(KeyCode::Char(ch))); |
| 2096 | } |
| 2097 | let _ = pager.handle_key(key(KeyCode::Enter)); |
| 2098 | assert!(pager.search_matches.borrow().is_empty()); |
| 2099 | |
| 2100 | let wide = render_screen(&pager, 100, 24); |
| 2101 | render_screen(&no_search, 100, 24); |
| 2102 | assert!(wide.contains("match 1/1"), "{wide}"); |
| 2103 | assert_eq!(pager.search_matches.borrow().len(), 1); |
| 2104 | assert_eq!(pager.page_height() + 1, no_search.page_height()); |
| 2105 | |
| 2106 | let narrow = render_screen(&pager, 40, 24); |
| 2107 | render_screen(&no_search, 40, 24); |
| 2108 | assert!(!narrow.contains("match 1/1"), "{narrow}"); |
| 2109 | assert!(pager.search_matches.borrow().is_empty()); |
| 2110 | assert_eq!(pager.page_height(), no_search.page_height()); |
| 2111 | } |
| 2112 | |
| 2113 | #[test] |
| 2114 | fn resize_keeps_the_top_line_and_the_current_match() { |
| 2115 | let text = (0..60) |
| 2116 | .map(|i| { |
| 2117 | let tag = if i == 40 { "needle" } else { "hay" }; |
| 2118 | format!("row {i:02} {tag} {}", "word ".repeat(24).trim_end()) |
| 2119 | }) |
| 2120 | .collect::<Vec<_>>() |
| 2121 | .join("\n"); |
| 2122 | let mut pager = PagerView::from_text("Output", &text, 98); |
| 2123 | render_screen(&pager, 100, 24); |
| 2124 | let _ = pager.handle_key(key(KeyCode::Char('/'))); |
| 2125 | for ch in "needle".chars() { |
| 2126 | let _ = pager.handle_key(key(KeyCode::Char(ch))); |
| 2127 | } |
| 2128 | let _ = pager.handle_key(key(KeyCode::Enter)); |
| 2129 | |
| 2130 | // Narrowing re-wraps every line into more rows. |
| 2131 | let screen = render_screen(&pager, 60, 24); |
| 2132 | let first_body_row = screen |
| 2133 | .lines() |
| 2134 | .find(|row| row.contains("row ")) |
| 2135 | .unwrap_or_default(); |
| 2136 | assert!( |
| 2137 | first_body_row.contains("row 40 needle"), |
| 2138 | "the line on top must stay on top after a resize:\n{screen}" |
| 2139 | ); |
| 2140 | assert!(screen.contains("match 1/1"), "{screen}"); |
| 2141 | let rows = pager.current_page().rows(); |
| 2142 | let matches = pager.search_matches.borrow(); |
| 2143 | assert_eq!(matches.len(), 1); |
| 2144 | assert!(rows.plain[matches[pager.search_index.get()]].contains("needle")); |
| 2145 | } |
| 2146 | |
| 2147 | #[test] |
| 2148 | fn wrap_text_breaks_overlong_cjk_runs() { |
| 2149 | let text = "这是一个非常长的中文字符串".repeat(10); |
| 2150 | let lines = wrap_text(&text, 16); |
| 2151 | |
| 2152 | for line in &lines { |
| 2153 | assert!(line.width() <= 16, "line {line:?} exceeds width 16"); |
| 2154 | } |
| 2155 | |
| 2156 | assert_eq!(lines.join(""), text); |
| 2157 | } |
| 2158 | } |
| 2159 |