1pub mod mappings;
2pub use alacritty_terminal;
3pub mod terminal_settings;
4
5use alacritty_terminal::{
6 ansi::{ClearMode, Handler},
7 config::{Config, Program, PtyConfig, Scrolling},
8 event::{Event as AlacTermEvent, EventListener, Notify, WindowSize},
9 event_loop::{EventLoop, Msg, Notifier},
10 grid::{Dimensions, Scroll as AlacScroll},
11 index::{Boundary, Column, Direction as AlacDirection, Line, Point},
12 selection::{Selection, SelectionRange, SelectionType},
13 sync::FairMutex,
14 term::{
15 cell::Cell,
16 color::Rgb,
17 search::{Match, RegexIter, RegexSearch},
18 RenderableCursor, TermMode,
19 },
20 tty::{self, setup_env},
21 Term,
22};
23use anyhow::{bail, Result};
24
25use futures::{
26 channel::mpsc::{unbounded, UnboundedReceiver, UnboundedSender},
27 FutureExt,
28};
29
30use mappings::mouse::{
31 alt_scroll, grid_point, mouse_button_report, mouse_moved_report, mouse_side, scroll_report,
32};
33
34use procinfo::LocalProcessInfo;
35use serde::{Deserialize, Serialize};
36use terminal_settings::{AlternateScroll, Shell, TerminalBlink, TerminalSettings};
37use util::truncate_and_trailoff;
38
39use std::{
40 cmp::min,
41 collections::{HashMap, VecDeque},
42 fmt::Display,
43 ops::{Deref, Index, RangeInclusive, Sub},
44 os::unix::prelude::AsRawFd,
45 path::PathBuf,
46 sync::Arc,
47 time::{Duration, Instant},
48};
49use thiserror::Error;
50
51use gpui::{
52 geometry::vector::{vec2f, Vector2F},
53 keymap_matcher::Keystroke,
54 platform::{Modifiers, MouseButton, MouseMovedEvent, TouchPhase},
55 scene::{MouseDown, MouseDrag, MouseScrollWheel, MouseUp},
56 AnyWindowHandle, AppContext, ClipboardItem, Entity, ModelContext, Task,
57};
58
59use crate::mappings::{
60 colors::{get_color_at_index, to_alac_rgb},
61 keys::to_esc_str,
62};
63use lazy_static::lazy_static;
64
65///Scrolling is unbearably sluggish by default. Alacritty supports a configurable
66///Scroll multiplier that is set to 3 by default. This will be removed when I
67///Implement scroll bars.
68const SCROLL_MULTIPLIER: f32 = 4.;
69const MAX_SEARCH_LINES: usize = 100;
70const DEBUG_TERMINAL_WIDTH: f32 = 500.;
71const DEBUG_TERMINAL_HEIGHT: f32 = 30.;
72const DEBUG_CELL_WIDTH: f32 = 5.;
73const DEBUG_LINE_HEIGHT: f32 = 5.;
74
75lazy_static! {
76 // Regex Copied from alacritty's ui_config.rs and modified its declaration slightly:
77 // * avoid Rust-specific escaping.
78 // * use more strict regex for `file://` protocol matching: original regex has `file:` inside, but we want to avoid matching `some::file::module` strings.
79 static ref URL_REGEX: RegexSearch = RegexSearch::new(r#"(ipfs:|ipns:|magnet:|mailto:|gemini://|gopher://|https://|http://|news:|file://|git://|ssh:|ftp://)[^\u{0000}-\u{001F}\u{007F}-\u{009F}<>"\s{-}\^⟨⟩`]+"#).unwrap();
80
81 static ref WORD_REGEX: RegexSearch = RegexSearch::new(r#"[\w.\[\]:/@\-~]+"#).unwrap();
82}
83
84///Upward flowing events, for changing the title and such
85#[derive(Clone, Debug)]
86pub enum Event {
87 TitleChanged,
88 BreadcrumbsChanged,
89 CloseTerminal,
90 Bell,
91 Wakeup,
92 BlinkChanged,
93 SelectionsChanged,
94 NewNavigationTarget(Option<MaybeNavigationTarget>),
95 Open(MaybeNavigationTarget),
96}
97
98/// A string inside terminal, potentially useful as a URI that can be opened.
99#[derive(Clone, Debug)]
100pub enum MaybeNavigationTarget {
101 /// HTTP, git, etc. string determined by the [`URL_REGEX`] regex.
102 Url(String),
103 /// File system path, absolute or relative, existing or not.
104 /// Might have line and column number(s) attached as `file.rs:1:23`
105 PathLike(String),
106}
107
108#[derive(Clone)]
109enum InternalEvent {
110 ColorRequest(usize, Arc<dyn Fn(Rgb) -> String + Sync + Send + 'static>),
111 Resize(TerminalSize),
112 Clear,
113 // FocusNextMatch,
114 Scroll(AlacScroll),
115 ScrollToPoint(Point),
116 SetSelection(Option<(Selection, Point)>),
117 UpdateSelection(Vector2F),
118 // Adjusted mouse position, should open
119 FindHyperlink(Vector2F, bool),
120 Copy,
121}
122
123///A translation struct for Alacritty to communicate with us from their event loop
124#[derive(Clone)]
125pub struct ZedListener(UnboundedSender<AlacTermEvent>);
126
127impl EventListener for ZedListener {
128 fn send_event(&self, event: AlacTermEvent) {
129 self.0.unbounded_send(event).ok();
130 }
131}
132
133pub fn init(cx: &mut AppContext) {
134 settings::register::<TerminalSettings>(cx);
135}
136
137#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
138pub struct TerminalSize {
139 pub cell_width: f32,
140 pub line_height: f32,
141 pub height: f32,
142 pub width: f32,
143}
144
145impl TerminalSize {
146 pub fn new(line_height: f32, cell_width: f32, size: Vector2F) -> Self {
147 TerminalSize {
148 cell_width,
149 line_height,
150 width: size.x(),
151 height: size.y(),
152 }
153 }
154
155 pub fn num_lines(&self) -> usize {
156 (self.height / self.line_height).floor() as usize
157 }
158
159 pub fn num_columns(&self) -> usize {
160 (self.width / self.cell_width).floor() as usize
161 }
162
163 pub fn height(&self) -> f32 {
164 self.height
165 }
166
167 pub fn width(&self) -> f32 {
168 self.width
169 }
170
171 pub fn cell_width(&self) -> f32 {
172 self.cell_width
173 }
174
175 pub fn line_height(&self) -> f32 {
176 self.line_height
177 }
178}
179impl Default for TerminalSize {
180 fn default() -> Self {
181 TerminalSize::new(
182 DEBUG_LINE_HEIGHT,
183 DEBUG_CELL_WIDTH,
184 vec2f(DEBUG_TERMINAL_WIDTH, DEBUG_TERMINAL_HEIGHT),
185 )
186 }
187}
188
189impl From<TerminalSize> for WindowSize {
190 fn from(val: TerminalSize) -> Self {
191 WindowSize {
192 num_lines: val.num_lines() as u16,
193 num_cols: val.num_columns() as u16,
194 cell_width: val.cell_width() as u16,
195 cell_height: val.line_height() as u16,
196 }
197 }
198}
199
200impl Dimensions for TerminalSize {
201 /// Note: this is supposed to be for the back buffer's length,
202 /// but we exclusively use it to resize the terminal, which does not
203 /// use this method. We still have to implement it for the trait though,
204 /// hence, this comment.
205 fn total_lines(&self) -> usize {
206 self.screen_lines()
207 }
208
209 fn screen_lines(&self) -> usize {
210 self.num_lines()
211 }
212
213 fn columns(&self) -> usize {
214 self.num_columns()
215 }
216}
217
218#[derive(Error, Debug)]
219pub struct TerminalError {
220 pub directory: Option<PathBuf>,
221 pub shell: Shell,
222 pub source: std::io::Error,
223}
224
225impl TerminalError {
226 pub fn fmt_directory(&self) -> String {
227 self.directory
228 .clone()
229 .map(|path| {
230 match path
231 .into_os_string()
232 .into_string()
233 .map_err(|os_str| format!("<non-utf8 path> {}", os_str.to_string_lossy()))
234 {
235 Ok(s) => s,
236 Err(s) => s,
237 }
238 })
239 .unwrap_or_else(|| {
240 let default_dir =
241 dirs::home_dir().map(|buf| buf.into_os_string().to_string_lossy().to_string());
242 match default_dir {
243 Some(dir) => format!("<none specified, using home directory> {}", dir),
244 None => "<none specified, could not find home directory>".to_string(),
245 }
246 })
247 }
248
249 pub fn shell_to_string(&self) -> String {
250 match &self.shell {
251 Shell::System => "<system shell>".to_string(),
252 Shell::Program(p) => p.to_string(),
253 Shell::WithArguments { program, args } => format!("{} {}", program, args.join(" ")),
254 }
255 }
256
257 pub fn fmt_shell(&self) -> String {
258 match &self.shell {
259 Shell::System => "<system defined shell>".to_string(),
260 Shell::Program(s) => s.to_string(),
261 Shell::WithArguments { program, args } => format!("{} {}", program, args.join(" ")),
262 }
263 }
264}
265
266impl Display for TerminalError {
267 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
268 let dir_string: String = self.fmt_directory();
269 let shell = self.fmt_shell();
270
271 write!(
272 f,
273 "Working directory: {} Shell command: `{}`, IOError: {}",
274 dir_string, shell, self.source
275 )
276 }
277}
278
279pub struct TerminalBuilder {
280 terminal: Terminal,
281 events_rx: UnboundedReceiver<AlacTermEvent>,
282}
283
284impl TerminalBuilder {
285 pub fn new(
286 working_directory: Option<PathBuf>,
287 shell: Shell,
288 mut env: HashMap<String, String>,
289 blink_settings: Option<TerminalBlink>,
290 alternate_scroll: AlternateScroll,
291 window: AnyWindowHandle,
292 ) -> Result<TerminalBuilder> {
293 let pty_config = {
294 let alac_shell = match shell.clone() {
295 Shell::System => None,
296 Shell::Program(program) => Some(Program::Just(program)),
297 Shell::WithArguments { program, args } => Some(Program::WithArgs { program, args }),
298 };
299
300 PtyConfig {
301 shell: alac_shell,
302 working_directory: working_directory.clone(),
303 hold: false,
304 }
305 };
306
307 //TODO: Properly set the current locale,
308 env.insert("LC_ALL".to_string(), "en_US.UTF-8".to_string());
309 env.insert("ZED_TERM".to_string(), true.to_string());
310
311 let alac_scrolling = Scrolling::default();
312 // alac_scrolling.set_history((BACK_BUFFER_SIZE * 2) as u32);
313
314 let config = Config {
315 pty_config: pty_config.clone(),
316 env,
317 scrolling: alac_scrolling,
318 ..Default::default()
319 };
320
321 setup_env(&config);
322
323 //Spawn a task so the Alacritty EventLoop can communicate with us in a view context
324 //TODO: Remove with a bounded sender which can be dispatched on &self
325 let (events_tx, events_rx) = unbounded();
326 //Set up the terminal...
327 let mut term = Term::new(
328 &config,
329 &TerminalSize::default(),
330 ZedListener(events_tx.clone()),
331 );
332
333 //Start off blinking if we need to
334 if let Some(TerminalBlink::On) = blink_settings {
335 term.set_mode(alacritty_terminal::ansi::Mode::BlinkingCursor)
336 }
337
338 //Alacritty defaults to alternate scrolling being on, so we just need to turn it off.
339 if let AlternateScroll::Off = alternate_scroll {
340 term.unset_mode(alacritty_terminal::ansi::Mode::AlternateScroll)
341 }
342
343 let term = Arc::new(FairMutex::new(term));
344
345 //Setup the pty...
346 let pty = match tty::new(
347 &pty_config,
348 TerminalSize::default().into(),
349 window.id() as u64,
350 ) {
351 Ok(pty) => pty,
352 Err(error) => {
353 bail!(TerminalError {
354 directory: working_directory,
355 shell,
356 source: error,
357 });
358 }
359 };
360
361 let fd = pty.file().as_raw_fd();
362 let shell_pid = pty.child().id();
363
364 //And connect them together
365 let event_loop = EventLoop::new(
366 term.clone(),
367 ZedListener(events_tx.clone()),
368 pty,
369 pty_config.hold,
370 false,
371 );
372
373 //Kick things off
374 let pty_tx = event_loop.channel();
375 let _io_thread = event_loop.spawn();
376
377 let terminal = Terminal {
378 pty_tx: Notifier(pty_tx),
379 term,
380 events: VecDeque::with_capacity(10), //Should never get this high.
381 last_content: Default::default(),
382 last_mouse: None,
383 matches: Vec::new(),
384 last_synced: Instant::now(),
385 sync_task: None,
386 selection_head: None,
387 shell_fd: fd as u32,
388 shell_pid,
389 foreground_process_info: None,
390 breadcrumb_text: String::new(),
391 scroll_px: 0.,
392 last_mouse_position: None,
393 next_link_id: 0,
394 selection_phase: SelectionPhase::Ended,
395 cmd_pressed: false,
396 hovered_word: false,
397 };
398
399 Ok(TerminalBuilder {
400 terminal,
401 events_rx,
402 })
403 }
404
405 pub fn subscribe(mut self, cx: &mut ModelContext<Terminal>) -> Terminal {
406 //Event loop
407 cx.spawn_weak(|this, mut cx| async move {
408 use futures::StreamExt;
409
410 while let Some(event) = self.events_rx.next().await {
411 this.upgrade(&cx)?.update(&mut cx, |this, cx| {
412 //Process the first event immediately for lowered latency
413 this.process_event(&event, cx);
414 });
415
416 'outer: loop {
417 let mut events = vec![];
418 let mut timer = cx.background().timer(Duration::from_millis(4)).fuse();
419 let mut wakeup = false;
420 loop {
421 futures::select_biased! {
422 _ = timer => break,
423 event = self.events_rx.next() => {
424 if let Some(event) = event {
425 if matches!(event, AlacTermEvent::Wakeup) {
426 wakeup = true;
427 } else {
428 events.push(event);
429 }
430
431 if events.len() > 100 {
432 break;
433 }
434 } else {
435 break;
436 }
437 },
438 }
439 }
440
441 if events.is_empty() && wakeup == false {
442 smol::future::yield_now().await;
443 break 'outer;
444 } else {
445 this.upgrade(&cx)?.update(&mut cx, |this, cx| {
446 if wakeup {
447 this.process_event(&AlacTermEvent::Wakeup, cx);
448 }
449
450 for event in events {
451 this.process_event(&event, cx);
452 }
453 });
454 smol::future::yield_now().await;
455 }
456 }
457 }
458
459 Some(())
460 })
461 .detach();
462
463 self.terminal
464 }
465}
466
467#[derive(Debug, Clone, Deserialize, Serialize)]
468pub struct IndexedCell {
469 pub point: Point,
470 pub cell: Cell,
471}
472
473impl Deref for IndexedCell {
474 type Target = Cell;
475
476 #[inline]
477 fn deref(&self) -> &Cell {
478 &self.cell
479 }
480}
481
482// TODO: Un-pub
483#[derive(Clone)]
484pub struct TerminalContent {
485 pub cells: Vec<IndexedCell>,
486 pub mode: TermMode,
487 pub display_offset: usize,
488 pub selection_text: Option<String>,
489 pub selection: Option<SelectionRange>,
490 pub cursor: RenderableCursor,
491 pub cursor_char: char,
492 pub size: TerminalSize,
493 pub last_hovered_word: Option<HoveredWord>,
494}
495
496#[derive(Clone)]
497pub struct HoveredWord {
498 pub word: String,
499 pub word_match: RangeInclusive<Point>,
500 pub id: usize,
501}
502
503impl Default for TerminalContent {
504 fn default() -> Self {
505 TerminalContent {
506 cells: Default::default(),
507 mode: Default::default(),
508 display_offset: Default::default(),
509 selection_text: Default::default(),
510 selection: Default::default(),
511 cursor: RenderableCursor {
512 shape: alacritty_terminal::ansi::CursorShape::Block,
513 point: Point::new(Line(0), Column(0)),
514 },
515 cursor_char: Default::default(),
516 size: Default::default(),
517 last_hovered_word: None,
518 }
519 }
520}
521
522#[derive(PartialEq, Eq)]
523pub enum SelectionPhase {
524 Selecting,
525 Ended,
526}
527
528pub struct Terminal {
529 pty_tx: Notifier,
530 term: Arc<FairMutex<Term<ZedListener>>>,
531 events: VecDeque<InternalEvent>,
532 /// This is only used for mouse mode cell change detection
533 last_mouse: Option<(Point, AlacDirection)>,
534 /// This is only used for terminal hovered word checking
535 last_mouse_position: Option<Vector2F>,
536 pub matches: Vec<RangeInclusive<Point>>,
537 pub last_content: TerminalContent,
538 last_synced: Instant,
539 sync_task: Option<Task<()>>,
540 pub selection_head: Option<Point>,
541 pub breadcrumb_text: String,
542 shell_pid: u32,
543 shell_fd: u32,
544 pub foreground_process_info: Option<LocalProcessInfo>,
545 scroll_px: f32,
546 next_link_id: usize,
547 selection_phase: SelectionPhase,
548 cmd_pressed: bool,
549 hovered_word: bool,
550}
551
552impl Terminal {
553 fn process_event(&mut self, event: &AlacTermEvent, cx: &mut ModelContext<Self>) {
554 match event {
555 AlacTermEvent::Title(title) => {
556 self.breadcrumb_text = title.to_string();
557 cx.emit(Event::BreadcrumbsChanged);
558 }
559 AlacTermEvent::ResetTitle => {
560 self.breadcrumb_text = String::new();
561 cx.emit(Event::BreadcrumbsChanged);
562 }
563 AlacTermEvent::ClipboardStore(_, data) => {
564 cx.write_to_clipboard(ClipboardItem::new(data.to_string()))
565 }
566 AlacTermEvent::ClipboardLoad(_, format) => self.write_to_pty(format(
567 &cx.read_from_clipboard()
568 .map(|ci| ci.text().to_string())
569 .unwrap_or_else(|| "".to_string()),
570 )),
571 AlacTermEvent::PtyWrite(out) => self.write_to_pty(out.clone()),
572 AlacTermEvent::TextAreaSizeRequest(format) => {
573 self.write_to_pty(format(self.last_content.size.into()))
574 }
575 AlacTermEvent::CursorBlinkingChange => {
576 cx.emit(Event::BlinkChanged);
577 }
578 AlacTermEvent::Bell => {
579 cx.emit(Event::Bell);
580 }
581 AlacTermEvent::Exit => cx.emit(Event::CloseTerminal),
582 AlacTermEvent::MouseCursorDirty => {
583 //NOOP, Handled in render
584 }
585 AlacTermEvent::Wakeup => {
586 cx.emit(Event::Wakeup);
587
588 if self.update_process_info() {
589 cx.emit(Event::TitleChanged);
590 }
591 }
592 AlacTermEvent::ColorRequest(idx, fun_ptr) => {
593 self.events
594 .push_back(InternalEvent::ColorRequest(*idx, fun_ptr.clone()));
595 }
596 }
597 }
598
599 /// Update the cached process info, returns whether the Zed-relevant info has changed
600 fn update_process_info(&mut self) -> bool {
601 let mut pid = unsafe { libc::tcgetpgrp(self.shell_fd as i32) };
602 if pid < 0 {
603 pid = self.shell_pid as i32;
604 }
605
606 if let Some(process_info) = LocalProcessInfo::with_root_pid(pid as u32) {
607 let res = self
608 .foreground_process_info
609 .as_ref()
610 .map(|old_info| {
611 process_info.cwd != old_info.cwd || process_info.name != old_info.name
612 })
613 .unwrap_or(true);
614
615 self.foreground_process_info = Some(process_info.clone());
616
617 res
618 } else {
619 false
620 }
621 }
622
623 ///Takes events from Alacritty and translates them to behavior on this view
624 fn process_terminal_event(
625 &mut self,
626 event: &InternalEvent,
627 term: &mut Term<ZedListener>,
628 cx: &mut ModelContext<Self>,
629 ) {
630 match event {
631 InternalEvent::ColorRequest(index, format) => {
632 let color = term.colors()[*index].unwrap_or_else(|| {
633 let term_style = &theme::current(cx).terminal;
634 to_alac_rgb(get_color_at_index(index, &term_style))
635 });
636 self.write_to_pty(format(color))
637 }
638 InternalEvent::Resize(mut new_size) => {
639 new_size.height = f32::max(new_size.line_height, new_size.height);
640 new_size.width = f32::max(new_size.cell_width, new_size.width);
641
642 self.last_content.size = new_size.clone();
643
644 self.pty_tx.0.send(Msg::Resize((new_size).into())).ok();
645
646 term.resize(new_size);
647 }
648 InternalEvent::Clear => {
649 // Clear back buffer
650 term.clear_screen(ClearMode::Saved);
651
652 let cursor = term.grid().cursor.point;
653
654 // Clear the lines above
655 term.grid_mut().reset_region(..cursor.line);
656
657 // Copy the current line up
658 let line = term.grid()[cursor.line][..Column(term.grid().columns())]
659 .iter()
660 .cloned()
661 .enumerate()
662 .collect::<Vec<(usize, Cell)>>();
663
664 for (i, cell) in line {
665 term.grid_mut()[Line(0)][Column(i)] = cell;
666 }
667
668 // Reset the cursor
669 term.grid_mut().cursor.point =
670 Point::new(Line(0), term.grid_mut().cursor.point.column);
671 let new_cursor = term.grid().cursor.point;
672
673 // Clear the lines below the new cursor
674 if (new_cursor.line.0 as usize) < term.screen_lines() - 1 {
675 term.grid_mut().reset_region((new_cursor.line + 1)..);
676 }
677
678 cx.emit(Event::Wakeup);
679 }
680 InternalEvent::Scroll(scroll) => {
681 term.scroll_display(*scroll);
682 self.refresh_hovered_word();
683 }
684 InternalEvent::SetSelection(selection) => {
685 term.selection = selection.as_ref().map(|(sel, _)| sel.clone());
686
687 if let Some((_, head)) = selection {
688 self.selection_head = Some(*head);
689 }
690 cx.emit(Event::SelectionsChanged)
691 }
692 InternalEvent::UpdateSelection(position) => {
693 if let Some(mut selection) = term.selection.take() {
694 let point = grid_point(
695 *position,
696 self.last_content.size,
697 term.grid().display_offset(),
698 );
699
700 let side = mouse_side(*position, self.last_content.size);
701
702 selection.update(point, side);
703 term.selection = Some(selection);
704
705 self.selection_head = Some(point);
706 cx.emit(Event::SelectionsChanged)
707 }
708 }
709
710 InternalEvent::Copy => {
711 if let Some(txt) = term.selection_to_string() {
712 cx.write_to_clipboard(ClipboardItem::new(txt))
713 }
714 }
715 InternalEvent::ScrollToPoint(point) => {
716 term.scroll_to_point(*point);
717 self.refresh_hovered_word();
718 }
719 InternalEvent::FindHyperlink(position, open) => {
720 let prev_hovered_word = self.last_content.last_hovered_word.take();
721
722 let point = grid_point(
723 *position,
724 self.last_content.size,
725 term.grid().display_offset(),
726 )
727 .grid_clamp(term, Boundary::Grid);
728
729 let link = term.grid().index(point).hyperlink();
730 let found_word = if link.is_some() {
731 let mut min_index = point;
732 loop {
733 let new_min_index = min_index.sub(term, Boundary::Cursor, 1);
734 if new_min_index == min_index {
735 break;
736 } else if term.grid().index(new_min_index).hyperlink() != link {
737 break;
738 } else {
739 min_index = new_min_index
740 }
741 }
742
743 let mut max_index = point;
744 loop {
745 let new_max_index = max_index.add(term, Boundary::Cursor, 1);
746 if new_max_index == max_index {
747 break;
748 } else if term.grid().index(new_max_index).hyperlink() != link {
749 break;
750 } else {
751 max_index = new_max_index
752 }
753 }
754
755 let url = link.unwrap().uri().to_owned();
756 let url_match = min_index..=max_index;
757
758 Some((url, true, url_match))
759 } else if let Some(word_match) = regex_match_at(term, point, &WORD_REGEX) {
760 let maybe_url_or_path =
761 term.bounds_to_string(*word_match.start(), *word_match.end());
762 let original_match = word_match.clone();
763 let (sanitized_match, sanitized_word) =
764 if maybe_url_or_path.starts_with('[') && maybe_url_or_path.ends_with(']') {
765 (
766 Match::new(
767 word_match.start().add(term, Boundary::Cursor, 1),
768 word_match.end().sub(term, Boundary::Cursor, 1),
769 ),
770 maybe_url_or_path[1..maybe_url_or_path.len() - 1].to_owned(),
771 )
772 } else {
773 (word_match, maybe_url_or_path)
774 };
775
776 let is_url = match regex_match_at(term, point, &URL_REGEX) {
777 Some(url_match) => {
778 // `]` is a valid symbol in the `file://` URL, so the regex match will include it
779 // consider that when ensuring that the URL match is the same as the original word
780 if sanitized_match != original_match {
781 url_match.start() == sanitized_match.start()
782 && url_match.end() == original_match.end()
783 } else {
784 url_match == sanitized_match
785 }
786 }
787 None => false,
788 };
789 Some((sanitized_word, is_url, sanitized_match))
790 } else {
791 None
792 };
793
794 match found_word {
795 Some((maybe_url_or_path, is_url, url_match)) => {
796 if *open {
797 let target = if is_url {
798 MaybeNavigationTarget::Url(maybe_url_or_path)
799 } else {
800 MaybeNavigationTarget::PathLike(maybe_url_or_path)
801 };
802 cx.emit(Event::Open(target));
803 } else {
804 self.update_selected_word(
805 prev_hovered_word,
806 url_match,
807 maybe_url_or_path,
808 is_url,
809 cx,
810 );
811 }
812 self.hovered_word = true;
813 }
814 None => {
815 if self.hovered_word {
816 cx.emit(Event::NewNavigationTarget(None));
817 }
818 self.hovered_word = false;
819 }
820 }
821 }
822 }
823 }
824
825 fn update_selected_word(
826 &mut self,
827 prev_word: Option<HoveredWord>,
828 word_match: RangeInclusive<Point>,
829 word: String,
830 is_url: bool,
831 cx: &mut ModelContext<Self>,
832 ) {
833 if let Some(prev_word) = prev_word {
834 if prev_word.word == word && prev_word.word_match == word_match {
835 self.last_content.last_hovered_word = Some(HoveredWord {
836 word,
837 word_match,
838 id: prev_word.id,
839 });
840 return;
841 }
842 }
843
844 self.last_content.last_hovered_word = Some(HoveredWord {
845 word: word.clone(),
846 word_match,
847 id: self.next_link_id(),
848 });
849 let navigation_target = if is_url {
850 MaybeNavigationTarget::Url(word)
851 } else {
852 MaybeNavigationTarget::PathLike(word)
853 };
854 cx.emit(Event::NewNavigationTarget(Some(navigation_target)));
855 }
856
857 fn next_link_id(&mut self) -> usize {
858 let res = self.next_link_id;
859 self.next_link_id = self.next_link_id.wrapping_add(1);
860 res
861 }
862
863 pub fn last_content(&self) -> &TerminalContent {
864 &self.last_content
865 }
866
867 //To test:
868 //- Activate match on terminal (scrolling and selection)
869 //- Editor search snapping behavior
870
871 pub fn activate_match(&mut self, index: usize) {
872 if let Some(search_match) = self.matches.get(index).cloned() {
873 self.set_selection(Some((make_selection(&search_match), *search_match.end())));
874
875 self.events
876 .push_back(InternalEvent::ScrollToPoint(*search_match.start()));
877 }
878 }
879
880 pub fn select_matches(&mut self, matches: Vec<RangeInclusive<Point>>) {
881 let matches_to_select = self
882 .matches
883 .iter()
884 .filter(|self_match| matches.contains(self_match))
885 .cloned()
886 .collect::<Vec<_>>();
887 for match_to_select in matches_to_select {
888 self.set_selection(Some((
889 make_selection(&match_to_select),
890 *match_to_select.end(),
891 )));
892 }
893 }
894
895 pub fn select_all(&mut self) {
896 let term = self.term.lock();
897 let start = Point::new(term.topmost_line(), Column(0));
898 let end = Point::new(term.bottommost_line(), term.last_column());
899 drop(term);
900 self.set_selection(Some((make_selection(&(start..=end)), end)));
901 }
902
903 fn set_selection(&mut self, selection: Option<(Selection, Point)>) {
904 self.events
905 .push_back(InternalEvent::SetSelection(selection));
906 }
907
908 pub fn copy(&mut self) {
909 self.events.push_back(InternalEvent::Copy);
910 }
911
912 pub fn clear(&mut self) {
913 self.events.push_back(InternalEvent::Clear)
914 }
915
916 ///Resize the terminal and the PTY.
917 pub fn set_size(&mut self, new_size: TerminalSize) {
918 self.events.push_back(InternalEvent::Resize(new_size))
919 }
920
921 ///Write the Input payload to the tty.
922 fn write_to_pty(&self, input: String) {
923 self.pty_tx.notify(input.into_bytes());
924 }
925
926 fn write_bytes_to_pty(&self, input: Vec<u8>) {
927 self.pty_tx.notify(input);
928 }
929
930 pub fn input(&mut self, input: String) {
931 self.events
932 .push_back(InternalEvent::Scroll(AlacScroll::Bottom));
933 self.events.push_back(InternalEvent::SetSelection(None));
934
935 self.write_to_pty(input);
936 }
937
938 pub fn input_bytes(&mut self, input: Vec<u8>) {
939 self.events
940 .push_back(InternalEvent::Scroll(AlacScroll::Bottom));
941 self.events.push_back(InternalEvent::SetSelection(None));
942
943 self.write_bytes_to_pty(input);
944 }
945
946 pub fn try_keystroke(&mut self, keystroke: &Keystroke, alt_is_meta: bool) -> bool {
947 let esc = to_esc_str(keystroke, &self.last_content.mode, alt_is_meta);
948 if let Some(esc) = esc {
949 self.input(esc);
950 true
951 } else {
952 false
953 }
954 }
955
956 pub fn try_modifiers_change(&mut self, modifiers: &Modifiers) -> bool {
957 let changed = self.cmd_pressed != modifiers.cmd;
958 if !self.cmd_pressed && modifiers.cmd {
959 self.refresh_hovered_word();
960 }
961 self.cmd_pressed = modifiers.cmd;
962 changed
963 }
964
965 ///Paste text into the terminal
966 pub fn paste(&mut self, text: &str) {
967 let paste_text = if self.last_content.mode.contains(TermMode::BRACKETED_PASTE) {
968 format!("{}{}{}", "\x1b[200~", text.replace('\x1b', ""), "\x1b[201~")
969 } else {
970 text.replace("\r\n", "\r").replace('\n', "\r")
971 };
972
973 self.input(paste_text);
974 }
975
976 pub fn try_sync(&mut self, cx: &mut ModelContext<Self>) {
977 let term = self.term.clone();
978
979 let mut terminal = if let Some(term) = term.try_lock_unfair() {
980 term
981 } else if self.last_synced.elapsed().as_secs_f32() > 0.25 {
982 term.lock_unfair() //It's been too long, force block
983 } else if let None = self.sync_task {
984 //Skip this frame
985 let delay = cx.background().timer(Duration::from_millis(16));
986 self.sync_task = Some(cx.spawn_weak(|weak_handle, mut cx| async move {
987 delay.await;
988 cx.update(|cx| {
989 if let Some(handle) = weak_handle.upgrade(cx) {
990 handle.update(cx, |terminal, cx| {
991 terminal.sync_task.take();
992 cx.notify();
993 });
994 }
995 });
996 }));
997 return;
998 } else {
999 //No lock and delayed rendering already scheduled, nothing to do
1000 return;
1001 };
1002
1003 //Note that the ordering of events matters for event processing
1004 while let Some(e) = self.events.pop_front() {
1005 self.process_terminal_event(&e, &mut terminal, cx)
1006 }
1007
1008 self.last_content = Self::make_content(&terminal, &self.last_content);
1009 self.last_synced = Instant::now();
1010 }
1011
1012 fn make_content(term: &Term<ZedListener>, last_content: &TerminalContent) -> TerminalContent {
1013 let content = term.renderable_content();
1014 TerminalContent {
1015 cells: content
1016 .display_iter
1017 //TODO: Add this once there's a way to retain empty lines
1018 // .filter(|ic| {
1019 // !ic.flags.contains(Flags::HIDDEN)
1020 // && !(ic.bg == Named(NamedColor::Background)
1021 // && ic.c == ' '
1022 // && !ic.flags.contains(Flags::INVERSE))
1023 // })
1024 .map(|ic| IndexedCell {
1025 point: ic.point,
1026 cell: ic.cell.clone(),
1027 })
1028 .collect::<Vec<IndexedCell>>(),
1029 mode: content.mode,
1030 display_offset: content.display_offset,
1031 selection_text: term.selection_to_string(),
1032 selection: content.selection,
1033 cursor: content.cursor,
1034 cursor_char: term.grid()[content.cursor.point].c,
1035 size: last_content.size,
1036 last_hovered_word: last_content.last_hovered_word.clone(),
1037 }
1038 }
1039
1040 pub fn focus_in(&self) {
1041 if self.last_content.mode.contains(TermMode::FOCUS_IN_OUT) {
1042 self.write_to_pty("\x1b[I".to_string());
1043 }
1044 }
1045
1046 pub fn focus_out(&mut self) {
1047 self.last_mouse_position = None;
1048 if self.last_content.mode.contains(TermMode::FOCUS_IN_OUT) {
1049 self.write_to_pty("\x1b[O".to_string());
1050 }
1051 }
1052
1053 pub fn mouse_changed(&mut self, point: Point, side: AlacDirection) -> bool {
1054 match self.last_mouse {
1055 Some((old_point, old_side)) => {
1056 if old_point == point && old_side == side {
1057 false
1058 } else {
1059 self.last_mouse = Some((point, side));
1060 true
1061 }
1062 }
1063 None => {
1064 self.last_mouse = Some((point, side));
1065 true
1066 }
1067 }
1068 }
1069
1070 pub fn mouse_mode(&self, shift: bool) -> bool {
1071 self.last_content.mode.intersects(TermMode::MOUSE_MODE) && !shift
1072 }
1073
1074 pub fn mouse_move(&mut self, e: &MouseMovedEvent, origin: Vector2F) {
1075 let position = e.position.sub(origin);
1076 self.last_mouse_position = Some(position);
1077 if self.mouse_mode(e.shift) {
1078 let point = grid_point(
1079 position,
1080 self.last_content.size,
1081 self.last_content.display_offset,
1082 );
1083 let side = mouse_side(position, self.last_content.size);
1084
1085 if self.mouse_changed(point, side) {
1086 if let Some(bytes) = mouse_moved_report(point, e, self.last_content.mode) {
1087 self.pty_tx.notify(bytes);
1088 }
1089 }
1090 } else if self.cmd_pressed {
1091 self.word_from_position(Some(position));
1092 }
1093 }
1094
1095 fn word_from_position(&mut self, position: Option<Vector2F>) {
1096 if self.selection_phase == SelectionPhase::Selecting {
1097 self.last_content.last_hovered_word = None;
1098 } else if let Some(position) = position {
1099 self.events
1100 .push_back(InternalEvent::FindHyperlink(position, false));
1101 }
1102 }
1103
1104 pub fn mouse_drag(&mut self, e: MouseDrag, origin: Vector2F) {
1105 let position = e.position.sub(origin);
1106 self.last_mouse_position = Some(position);
1107
1108 if !self.mouse_mode(e.shift) {
1109 self.selection_phase = SelectionPhase::Selecting;
1110 // Alacritty has the same ordering, of first updating the selection
1111 // then scrolling 15ms later
1112 self.events
1113 .push_back(InternalEvent::UpdateSelection(position));
1114
1115 // Doesn't make sense to scroll the alt screen
1116 if !self.last_content.mode.contains(TermMode::ALT_SCREEN) {
1117 let scroll_delta = match self.drag_line_delta(e) {
1118 Some(value) => value,
1119 None => return,
1120 };
1121
1122 let scroll_lines = (scroll_delta / self.last_content.size.line_height) as i32;
1123
1124 self.events
1125 .push_back(InternalEvent::Scroll(AlacScroll::Delta(scroll_lines)));
1126 }
1127 }
1128 }
1129
1130 fn drag_line_delta(&mut self, e: MouseDrag) -> Option<f32> {
1131 //TODO: Why do these need to be doubled? Probably the same problem that the IME has
1132 let top = e.region.origin_y() + (self.last_content.size.line_height * 2.);
1133 let bottom = e.region.lower_left().y() - (self.last_content.size.line_height * 2.);
1134 let scroll_delta = if e.position.y() < top {
1135 (top - e.position.y()).powf(1.1)
1136 } else if e.position.y() > bottom {
1137 -((e.position.y() - bottom).powf(1.1))
1138 } else {
1139 return None; //Nothing to do
1140 };
1141 Some(scroll_delta)
1142 }
1143
1144 pub fn mouse_down(&mut self, e: &MouseDown, origin: Vector2F) {
1145 let position = e.position.sub(origin);
1146 let point = grid_point(
1147 position,
1148 self.last_content.size,
1149 self.last_content.display_offset,
1150 );
1151
1152 if self.mouse_mode(e.shift) {
1153 if let Some(bytes) = mouse_button_report(point, e, true, self.last_content.mode) {
1154 self.pty_tx.notify(bytes);
1155 }
1156 } else if e.button == MouseButton::Left {
1157 let position = e.position.sub(origin);
1158 let point = grid_point(
1159 position,
1160 self.last_content.size,
1161 self.last_content.display_offset,
1162 );
1163
1164 // Use .opposite so that selection is inclusive of the cell clicked.
1165 let side = mouse_side(position, self.last_content.size);
1166
1167 let selection_type = match e.click_count {
1168 0 => return, //This is a release
1169 1 => Some(SelectionType::Simple),
1170 2 => Some(SelectionType::Semantic),
1171 3 => Some(SelectionType::Lines),
1172 _ => None,
1173 };
1174
1175 let selection =
1176 selection_type.map(|selection_type| Selection::new(selection_type, point, side));
1177
1178 if let Some(sel) = selection {
1179 self.events
1180 .push_back(InternalEvent::SetSelection(Some((sel, point))));
1181 }
1182 }
1183 }
1184
1185 pub fn mouse_up(&mut self, e: &MouseUp, origin: Vector2F, cx: &mut ModelContext<Self>) {
1186 let setting = settings::get::<TerminalSettings>(cx);
1187
1188 let position = e.position.sub(origin);
1189 if self.mouse_mode(e.shift) {
1190 let point = grid_point(
1191 position,
1192 self.last_content.size,
1193 self.last_content.display_offset,
1194 );
1195
1196 if let Some(bytes) = mouse_button_report(point, e, false, self.last_content.mode) {
1197 self.pty_tx.notify(bytes);
1198 }
1199 } else {
1200 if e.button == MouseButton::Left && setting.copy_on_select {
1201 self.copy();
1202 }
1203
1204 //Hyperlinks
1205 if self.selection_phase == SelectionPhase::Ended {
1206 let mouse_cell_index = content_index_for_mouse(position, &self.last_content.size);
1207 if let Some(link) = self.last_content.cells[mouse_cell_index].hyperlink() {
1208 cx.platform().open_url(link.uri());
1209 } else if self.cmd_pressed {
1210 self.events
1211 .push_back(InternalEvent::FindHyperlink(position, true));
1212 }
1213 }
1214 }
1215
1216 self.selection_phase = SelectionPhase::Ended;
1217 self.last_mouse = None;
1218 }
1219
1220 ///Scroll the terminal
1221 pub fn scroll_wheel(&mut self, e: MouseScrollWheel, origin: Vector2F) {
1222 let mouse_mode = self.mouse_mode(e.shift);
1223
1224 if let Some(scroll_lines) = self.determine_scroll_lines(&e, mouse_mode) {
1225 if mouse_mode {
1226 let point = grid_point(
1227 e.position.sub(origin),
1228 self.last_content.size,
1229 self.last_content.display_offset,
1230 );
1231
1232 if let Some(scrolls) =
1233 scroll_report(point, scroll_lines as i32, &e, self.last_content.mode)
1234 {
1235 for scroll in scrolls {
1236 self.pty_tx.notify(scroll);
1237 }
1238 };
1239 } else if self
1240 .last_content
1241 .mode
1242 .contains(TermMode::ALT_SCREEN | TermMode::ALTERNATE_SCROLL)
1243 && !e.shift
1244 {
1245 self.pty_tx.notify(alt_scroll(scroll_lines))
1246 } else {
1247 if scroll_lines != 0 {
1248 let scroll = AlacScroll::Delta(scroll_lines);
1249
1250 self.events.push_back(InternalEvent::Scroll(scroll));
1251 }
1252 }
1253 }
1254 }
1255
1256 fn refresh_hovered_word(&mut self) {
1257 self.word_from_position(self.last_mouse_position);
1258 }
1259
1260 fn determine_scroll_lines(&mut self, e: &MouseScrollWheel, mouse_mode: bool) -> Option<i32> {
1261 let scroll_multiplier = if mouse_mode { 1. } else { SCROLL_MULTIPLIER };
1262 let line_height = self.last_content.size.line_height;
1263 match e.phase {
1264 /* Reset scroll state on started */
1265 Some(TouchPhase::Started) => {
1266 self.scroll_px = 0.;
1267 None
1268 }
1269 /* Calculate the appropriate scroll lines */
1270 Some(gpui::platform::TouchPhase::Moved) => {
1271 let old_offset = (self.scroll_px / line_height) as i32;
1272
1273 self.scroll_px += e.delta.pixel_delta(line_height).y() * scroll_multiplier;
1274
1275 let new_offset = (self.scroll_px / line_height) as i32;
1276
1277 // Whenever we hit the edges, reset our stored scroll to 0
1278 // so we can respond to changes in direction quickly
1279 self.scroll_px %= self.last_content.size.height;
1280
1281 Some(new_offset - old_offset)
1282 }
1283 /* Fall back to delta / line_height */
1284 None => Some(
1285 ((e.delta.pixel_delta(line_height).y() * scroll_multiplier) / line_height) as i32,
1286 ),
1287 _ => None,
1288 }
1289 }
1290
1291 pub fn find_matches(
1292 &mut self,
1293 searcher: RegexSearch,
1294 cx: &mut ModelContext<Self>,
1295 ) -> Task<Vec<RangeInclusive<Point>>> {
1296 let term = self.term.clone();
1297 cx.background().spawn(async move {
1298 let term = term.lock();
1299
1300 all_search_matches(&term, &searcher).collect()
1301 })
1302 }
1303
1304 pub fn title(&self) -> String {
1305 self.foreground_process_info
1306 .as_ref()
1307 .map(|fpi| {
1308 format!(
1309 "{} — {}",
1310 truncate_and_trailoff(
1311 &fpi.cwd
1312 .file_name()
1313 .map(|name| name.to_string_lossy().to_string())
1314 .unwrap_or_default(),
1315 25
1316 ),
1317 truncate_and_trailoff(
1318 &{
1319 format!(
1320 "{}{}",
1321 fpi.name,
1322 if fpi.argv.len() >= 1 {
1323 format!(" {}", (&fpi.argv[1..]).join(" "))
1324 } else {
1325 "".to_string()
1326 }
1327 )
1328 },
1329 25
1330 )
1331 )
1332 })
1333 .unwrap_or_else(|| "Terminal".to_string())
1334 }
1335
1336 pub fn can_navigate_to_selected_word(&self) -> bool {
1337 self.cmd_pressed && self.hovered_word
1338 }
1339}
1340
1341impl Drop for Terminal {
1342 fn drop(&mut self) {
1343 self.pty_tx.0.send(Msg::Shutdown).ok();
1344 }
1345}
1346
1347impl Entity for Terminal {
1348 type Event = Event;
1349}
1350
1351/// Based on alacritty/src/display/hint.rs > regex_match_at
1352/// Retrieve the match, if the specified point is inside the content matching the regex.
1353fn regex_match_at<T>(term: &Term<T>, point: Point, regex: &RegexSearch) -> Option<Match> {
1354 visible_regex_match_iter(term, regex).find(|rm| rm.contains(&point))
1355}
1356
1357/// Copied from alacritty/src/display/hint.rs:
1358/// Iterate over all visible regex matches.
1359pub fn visible_regex_match_iter<'a, T>(
1360 term: &'a Term<T>,
1361 regex: &'a RegexSearch,
1362) -> impl Iterator<Item = Match> + 'a {
1363 let viewport_start = Line(-(term.grid().display_offset() as i32));
1364 let viewport_end = viewport_start + term.bottommost_line();
1365 let mut start = term.line_search_left(Point::new(viewport_start, Column(0)));
1366 let mut end = term.line_search_right(Point::new(viewport_end, Column(0)));
1367 start.line = start.line.max(viewport_start - MAX_SEARCH_LINES);
1368 end.line = end.line.min(viewport_end + MAX_SEARCH_LINES);
1369
1370 RegexIter::new(start, end, AlacDirection::Right, term, regex)
1371 .skip_while(move |rm| rm.end().line < viewport_start)
1372 .take_while(move |rm| rm.start().line <= viewport_end)
1373}
1374
1375fn make_selection(range: &RangeInclusive<Point>) -> Selection {
1376 let mut selection = Selection::new(SelectionType::Simple, *range.start(), AlacDirection::Left);
1377 selection.update(*range.end(), AlacDirection::Right);
1378 selection
1379}
1380
1381fn all_search_matches<'a, T>(
1382 term: &'a Term<T>,
1383 regex: &'a RegexSearch,
1384) -> impl Iterator<Item = Match> + 'a {
1385 let start = Point::new(term.grid().topmost_line(), Column(0));
1386 let end = Point::new(term.grid().bottommost_line(), term.grid().last_column());
1387 RegexIter::new(start, end, AlacDirection::Right, term, regex)
1388}
1389
1390fn content_index_for_mouse(pos: Vector2F, size: &TerminalSize) -> usize {
1391 let col = (pos.x() / size.cell_width()).round() as usize;
1392
1393 let clamped_col = min(col, size.columns() - 1);
1394
1395 let row = (pos.y() / size.line_height()).round() as usize;
1396
1397 let clamped_row = min(row, size.screen_lines() - 1);
1398
1399 clamped_row * size.columns() + clamped_col
1400}
1401
1402#[cfg(test)]
1403mod tests {
1404 use alacritty_terminal::{
1405 index::{Column, Line, Point},
1406 term::cell::Cell,
1407 };
1408 use gpui::geometry::vector::vec2f;
1409 use rand::{distributions::Alphanumeric, rngs::ThreadRng, thread_rng, Rng};
1410
1411 use crate::{content_index_for_mouse, IndexedCell, TerminalContent, TerminalSize};
1412
1413 #[test]
1414 fn test_mouse_to_cell_test() {
1415 let mut rng = thread_rng();
1416 const ITERATIONS: usize = 10;
1417 const PRECISION: usize = 1000;
1418
1419 for _ in 0..ITERATIONS {
1420 let viewport_cells = rng.gen_range(15..20);
1421 let cell_size = rng.gen_range(5 * PRECISION..20 * PRECISION) as f32 / PRECISION as f32;
1422
1423 let size = crate::TerminalSize {
1424 cell_width: cell_size,
1425 line_height: cell_size,
1426 height: cell_size * (viewport_cells as f32),
1427 width: cell_size * (viewport_cells as f32),
1428 };
1429
1430 let cells = get_cells(size, &mut rng);
1431 let content = convert_cells_to_content(size, &cells);
1432
1433 for row in 0..(viewport_cells - 1) {
1434 let row = row as usize;
1435 for col in 0..(viewport_cells - 1) {
1436 let col = col as usize;
1437
1438 let row_offset = rng.gen_range(0..PRECISION) as f32 / PRECISION as f32;
1439 let col_offset = rng.gen_range(0..PRECISION) as f32 / PRECISION as f32;
1440
1441 let mouse_pos = vec2f(
1442 col as f32 * cell_size + col_offset,
1443 row as f32 * cell_size + row_offset,
1444 );
1445
1446 let content_index = content_index_for_mouse(mouse_pos, &content.size);
1447 let mouse_cell = content.cells[content_index].c;
1448 let real_cell = cells[row][col];
1449
1450 assert_eq!(mouse_cell, real_cell);
1451 }
1452 }
1453 }
1454 }
1455
1456 #[test]
1457 fn test_mouse_to_cell_clamp() {
1458 let mut rng = thread_rng();
1459
1460 let size = crate::TerminalSize {
1461 cell_width: 10.,
1462 line_height: 10.,
1463 height: 100.,
1464 width: 100.,
1465 };
1466
1467 let cells = get_cells(size, &mut rng);
1468 let content = convert_cells_to_content(size, &cells);
1469
1470 assert_eq!(
1471 content.cells[content_index_for_mouse(vec2f(-10., -10.), &content.size)].c,
1472 cells[0][0]
1473 );
1474 assert_eq!(
1475 content.cells[content_index_for_mouse(vec2f(1000., 1000.), &content.size)].c,
1476 cells[9][9]
1477 );
1478 }
1479
1480 fn get_cells(size: TerminalSize, rng: &mut ThreadRng) -> Vec<Vec<char>> {
1481 let mut cells = Vec::new();
1482
1483 for _ in 0..((size.height() / size.line_height()) as usize) {
1484 let mut row_vec = Vec::new();
1485 for _ in 0..((size.width() / size.cell_width()) as usize) {
1486 let cell_char = rng.sample(Alphanumeric) as char;
1487 row_vec.push(cell_char)
1488 }
1489 cells.push(row_vec)
1490 }
1491
1492 cells
1493 }
1494
1495 fn convert_cells_to_content(size: TerminalSize, cells: &Vec<Vec<char>>) -> TerminalContent {
1496 let mut ic = Vec::new();
1497
1498 for row in 0..cells.len() {
1499 for col in 0..cells[row].len() {
1500 let cell_char = cells[row][col];
1501 ic.push(IndexedCell {
1502 point: Point::new(Line(row as i32), Column(col)),
1503 cell: Cell {
1504 c: cell_char,
1505 ..Default::default()
1506 },
1507 });
1508 }
1509 }
1510
1511 TerminalContent {
1512 cells: ic,
1513 size,
1514 ..Default::default()
1515 }
1516 }
1517}