1use std::{borrow::Cow, ops::ControlFlow, path::PathBuf, sync::Arc};
2
3use crate::TerminalView;
4use collections::{HashMap, HashSet};
5use db::kvp::KEY_VALUE_STORE;
6use futures::future::join_all;
7use gpui::{
8 actions, Action, AppContext, AsyncWindowContext, Entity, EventEmitter, ExternalPaths,
9 FocusHandle, FocusableView, IntoElement, ParentElement, Pixels, Render, Styled, Subscription,
10 Task, View, ViewContext, VisualContext, WeakView, WindowContext,
11};
12use itertools::Itertools;
13use project::{Fs, ProjectEntryId};
14use search::{buffer_search::DivRegistrar, BufferSearchBar};
15use serde::{Deserialize, Serialize};
16use settings::Settings;
17use task::{RevealStrategy, SpawnInTerminal, TaskId};
18use terminal::{
19 terminal_settings::{Shell, TerminalDockPosition, TerminalSettings},
20 SpawnTask,
21};
22use ui::{h_flex, ButtonCommon, Clickable, IconButton, IconSize, Selectable, Tooltip};
23use util::{ResultExt, TryFutureExt};
24use workspace::{
25 dock::{DockPosition, Panel, PanelEvent},
26 item::Item,
27 pane,
28 ui::IconName,
29 DraggedTab, NewTerminal, Pane, ToggleZoom, Workspace,
30};
31
32use anyhow::Result;
33
34const TERMINAL_PANEL_KEY: &str = "TerminalPanel";
35
36actions!(terminal_panel, [ToggleFocus]);
37
38pub fn init(cx: &mut AppContext) {
39 cx.observe_new_views(
40 |workspace: &mut Workspace, _: &mut ViewContext<Workspace>| {
41 workspace.register_action(TerminalPanel::new_terminal);
42 workspace.register_action(TerminalPanel::open_terminal);
43 workspace.register_action(|workspace, _: &ToggleFocus, cx| {
44 workspace.toggle_panel_focus::<TerminalPanel>(cx);
45 });
46 },
47 )
48 .detach();
49}
50
51pub struct TerminalPanel {
52 pane: View<Pane>,
53 fs: Arc<dyn Fs>,
54 workspace: WeakView<Workspace>,
55 width: Option<Pixels>,
56 height: Option<Pixels>,
57 pending_serialization: Task<Option<()>>,
58 pending_terminals_to_add: usize,
59 _subscriptions: Vec<Subscription>,
60 deferred_tasks: HashMap<TaskId, Task<()>>,
61}
62
63impl TerminalPanel {
64 fn new(workspace: &Workspace, cx: &mut ViewContext<Self>) -> Self {
65 let terminal_panel = cx.view().downgrade();
66 let pane = cx.new_view(|cx| {
67 let mut pane = Pane::new(
68 workspace.weak_handle(),
69 workspace.project().clone(),
70 Default::default(),
71 None,
72 NewTerminal.boxed_clone(),
73 cx,
74 );
75 pane.set_can_split(false, cx);
76 pane.set_can_navigate(false, cx);
77 pane.display_nav_history_buttons(false);
78 pane.set_render_tab_bar_buttons(cx, move |pane, cx| {
79 let terminal_panel = terminal_panel.clone();
80 h_flex()
81 .gap_2()
82 .child(
83 IconButton::new("plus", IconName::Plus)
84 .icon_size(IconSize::Small)
85 .on_click(move |_, cx| {
86 terminal_panel
87 .update(cx, |panel, cx| panel.add_terminal(None, None, cx))
88 .log_err();
89 })
90 .tooltip(|cx| Tooltip::text("New Terminal", cx)),
91 )
92 .child({
93 let zoomed = pane.is_zoomed();
94 IconButton::new("toggle_zoom", IconName::Maximize)
95 .icon_size(IconSize::Small)
96 .selected(zoomed)
97 .selected_icon(IconName::Minimize)
98 .on_click(cx.listener(|pane, _, cx| {
99 pane.toggle_zoom(&workspace::ToggleZoom, cx);
100 }))
101 // TODO kb
102 .tooltip(move |cx| {
103 Tooltip::for_action(
104 if zoomed { "Zoom Out" } else { "Zoom In" },
105 &ToggleZoom,
106 cx,
107 )
108 })
109 })
110 .into_any_element()
111 });
112
113 let workspace = workspace.weak_handle();
114 pane.set_custom_drop_handle(cx, move |pane, dropped_item, cx| {
115 if let Some(tab) = dropped_item.downcast_ref::<DraggedTab>() {
116 let item = if &tab.pane == cx.view() {
117 pane.item_for_index(tab.ix)
118 } else {
119 tab.pane.read(cx).item_for_index(tab.ix)
120 };
121 if let Some(item) = item {
122 if item.downcast::<TerminalView>().is_some() {
123 return ControlFlow::Continue(());
124 } else if let Some(project_path) = item.project_path(cx) {
125 if let Some(entry_path) = workspace
126 .update(cx, |workspace, cx| {
127 workspace
128 .project()
129 .read(cx)
130 .absolute_path(&project_path, cx)
131 })
132 .log_err()
133 .flatten()
134 {
135 add_paths_to_terminal(pane, &[entry_path], cx);
136 }
137 }
138 }
139 } else if let Some(&entry_id) = dropped_item.downcast_ref::<ProjectEntryId>() {
140 if let Some(entry_path) = workspace
141 .update(cx, |workspace, cx| {
142 let project = workspace.project().read(cx);
143 project
144 .path_for_entry(entry_id, cx)
145 .and_then(|project_path| project.absolute_path(&project_path, cx))
146 })
147 .log_err()
148 .flatten()
149 {
150 add_paths_to_terminal(pane, &[entry_path], cx);
151 }
152 } else if let Some(paths) = dropped_item.downcast_ref::<ExternalPaths>() {
153 add_paths_to_terminal(pane, paths.paths(), cx);
154 }
155
156 ControlFlow::Break(())
157 });
158 let buffer_search_bar = cx.new_view(search::BufferSearchBar::new);
159 pane.toolbar()
160 .update(cx, |toolbar, cx| toolbar.add_item(buffer_search_bar, cx));
161 pane
162 });
163 let subscriptions = vec![
164 cx.observe(&pane, |_, _, cx| cx.notify()),
165 cx.subscribe(&pane, Self::handle_pane_event),
166 ];
167 let this = Self {
168 pane,
169 fs: workspace.app_state().fs.clone(),
170 workspace: workspace.weak_handle(),
171 pending_serialization: Task::ready(None),
172 width: None,
173 height: None,
174 pending_terminals_to_add: 0,
175 deferred_tasks: HashMap::default(),
176 _subscriptions: subscriptions,
177 };
178 this
179 }
180
181 pub async fn load(
182 workspace: WeakView<Workspace>,
183 mut cx: AsyncWindowContext,
184 ) -> Result<View<Self>> {
185 let serialized_panel = cx
186 .background_executor()
187 .spawn(async move { KEY_VALUE_STORE.read_kvp(TERMINAL_PANEL_KEY) })
188 .await
189 .log_err()
190 .flatten()
191 .map(|panel| serde_json::from_str::<SerializedTerminalPanel>(&panel))
192 .transpose()
193 .log_err()
194 .flatten();
195
196 let (panel, pane, items) = workspace.update(&mut cx, |workspace, cx| {
197 let panel = cx.new_view(|cx| TerminalPanel::new(workspace, cx));
198 let items = if let Some(serialized_panel) = serialized_panel.as_ref() {
199 panel.update(cx, |panel, cx| {
200 cx.notify();
201 panel.height = serialized_panel.height.map(|h| h.round());
202 panel.width = serialized_panel.width.map(|w| w.round());
203 panel.pane.update(cx, |_, cx| {
204 serialized_panel
205 .items
206 .iter()
207 .map(|item_id| {
208 TerminalView::deserialize(
209 workspace.project().clone(),
210 workspace.weak_handle(),
211 workspace.database_id(),
212 *item_id,
213 cx,
214 )
215 })
216 .collect::<Vec<_>>()
217 })
218 })
219 } else {
220 Vec::new()
221 };
222 let pane = panel.read(cx).pane.clone();
223 (panel, pane, items)
224 })?;
225
226 if let Some(workspace) = workspace.upgrade() {
227 panel
228 .update(&mut cx, |panel, cx| {
229 panel._subscriptions.push(cx.subscribe(
230 &workspace,
231 |terminal_panel, _, e, cx| {
232 if let workspace::Event::SpawnTask(spawn_in_terminal) = e {
233 terminal_panel.spawn_task(spawn_in_terminal, cx);
234 };
235 },
236 ))
237 })
238 .ok();
239 }
240
241 let pane = pane.downgrade();
242 let items = futures::future::join_all(items).await;
243 pane.update(&mut cx, |pane, cx| {
244 let active_item_id = serialized_panel
245 .as_ref()
246 .and_then(|panel| panel.active_item_id);
247 let mut active_ix = None;
248 for item in items {
249 if let Some(item) = item.log_err() {
250 let item_id = item.entity_id().as_u64();
251 pane.add_item(Box::new(item), false, false, None, cx);
252 if Some(item_id) == active_item_id {
253 active_ix = Some(pane.items_len() - 1);
254 }
255 }
256 }
257
258 if let Some(active_ix) = active_ix {
259 pane.activate_item(active_ix, false, false, cx)
260 }
261 })?;
262
263 Ok(panel)
264 }
265
266 fn handle_pane_event(
267 &mut self,
268 _pane: View<Pane>,
269 event: &pane::Event,
270 cx: &mut ViewContext<Self>,
271 ) {
272 match event {
273 pane::Event::ActivateItem { .. } => self.serialize(cx),
274 pane::Event::RemoveItem { .. } => self.serialize(cx),
275 pane::Event::Remove => cx.emit(PanelEvent::Close),
276 pane::Event::ZoomIn => cx.emit(PanelEvent::ZoomIn),
277 pane::Event::ZoomOut => cx.emit(PanelEvent::ZoomOut),
278
279 pane::Event::AddItem { item } => {
280 if let Some(workspace) = self.workspace.upgrade() {
281 let pane = self.pane.clone();
282 workspace.update(cx, |workspace, cx| item.added_to_pane(workspace, pane, cx))
283 }
284 }
285
286 _ => {}
287 }
288 }
289
290 pub fn open_terminal(
291 workspace: &mut Workspace,
292 action: &workspace::OpenTerminal,
293 cx: &mut ViewContext<Workspace>,
294 ) {
295 let Some(this) = workspace.focus_panel::<Self>(cx) else {
296 return;
297 };
298
299 this.update(cx, |this, cx| {
300 this.add_terminal(Some(action.working_directory.clone()), None, cx)
301 })
302 }
303
304 fn spawn_task(&mut self, spawn_in_terminal: &SpawnInTerminal, cx: &mut ViewContext<Self>) {
305 let mut spawn_task = SpawnTask {
306 id: spawn_in_terminal.id.clone(),
307 full_label: spawn_in_terminal.full_label.clone(),
308 label: spawn_in_terminal.label.clone(),
309 command: spawn_in_terminal.command.clone(),
310 args: spawn_in_terminal.args.clone(),
311 env: spawn_in_terminal.env.clone(),
312 reveal: spawn_in_terminal.reveal,
313 };
314 // Set up shell args unconditionally, as tasks are always spawned inside of a shell.
315 let Some((shell, mut user_args)) = (match TerminalSettings::get_global(cx).shell.clone() {
316 Shell::System => std::env::var("SHELL").ok().map(|shell| (shell, vec![])),
317 Shell::Program(shell) => Some((shell, vec![])),
318 Shell::WithArguments { program, args } => Some((program, args)),
319 }) else {
320 return;
321 };
322
323 let mut command = std::mem::take(&mut spawn_task.command);
324 let args = std::mem::take(&mut spawn_task.args);
325 for arg in args {
326 command.push(' ');
327 let arg = shlex::try_quote(&arg).unwrap_or(Cow::Borrowed(&arg));
328 command.push_str(&arg);
329 }
330 spawn_task.command = shell;
331 user_args.extend(["-i".to_owned(), "-c".to_owned(), command]);
332 spawn_task.args = user_args;
333 let reveal = spawn_task.reveal;
334
335 let working_directory = spawn_in_terminal.cwd.clone();
336 let allow_concurrent_runs = spawn_in_terminal.allow_concurrent_runs;
337 let use_new_terminal = spawn_in_terminal.use_new_terminal;
338
339 if allow_concurrent_runs && use_new_terminal {
340 self.spawn_in_new_terminal(spawn_task, working_directory, cx);
341 return;
342 }
343
344 let terminals_for_task = self.terminals_for_task(&spawn_in_terminal.full_label, cx);
345 if terminals_for_task.is_empty() {
346 self.spawn_in_new_terminal(spawn_task, working_directory, cx);
347 return;
348 }
349 let (existing_item_index, existing_terminal) = terminals_for_task
350 .last()
351 .expect("covered no terminals case above")
352 .clone();
353 if allow_concurrent_runs {
354 debug_assert!(
355 !use_new_terminal,
356 "Should have handled 'allow_concurrent_runs && use_new_terminal' case above"
357 );
358 self.replace_terminal(
359 working_directory,
360 spawn_task,
361 existing_item_index,
362 existing_terminal,
363 cx,
364 );
365 } else {
366 self.deferred_tasks.insert(
367 spawn_in_terminal.id.clone(),
368 cx.spawn(|terminal_panel, mut cx| async move {
369 wait_for_terminals_tasks(terminals_for_task, &mut cx).await;
370 terminal_panel
371 .update(&mut cx, |terminal_panel, cx| {
372 if use_new_terminal {
373 terminal_panel.spawn_in_new_terminal(
374 spawn_task,
375 working_directory,
376 cx,
377 );
378 } else {
379 terminal_panel.replace_terminal(
380 working_directory,
381 spawn_task,
382 existing_item_index,
383 existing_terminal,
384 cx,
385 );
386 }
387 })
388 .ok();
389 }),
390 );
391
392 match reveal {
393 RevealStrategy::Always => {
394 self.activate_terminal_view(existing_item_index, cx);
395 let task_workspace = self.workspace.clone();
396 cx.spawn(|_, mut cx| async move {
397 task_workspace
398 .update(&mut cx, |workspace, cx| workspace.focus_panel::<Self>(cx))
399 .ok()
400 })
401 .detach();
402 }
403 RevealStrategy::Never => {}
404 }
405 }
406 }
407
408 fn spawn_in_new_terminal(
409 &mut self,
410 spawn_task: SpawnTask,
411 working_directory: Option<PathBuf>,
412 cx: &mut ViewContext<Self>,
413 ) {
414 let reveal = spawn_task.reveal;
415 self.add_terminal(working_directory, Some(spawn_task), cx);
416 match reveal {
417 RevealStrategy::Always => {
418 let task_workspace = self.workspace.clone();
419 cx.spawn(|_, mut cx| async move {
420 task_workspace
421 .update(&mut cx, |workspace, cx| workspace.focus_panel::<Self>(cx))
422 .ok()
423 })
424 .detach();
425 }
426 RevealStrategy::Never => {}
427 }
428 }
429
430 ///Create a new Terminal in the current working directory or the user's home directory
431 fn new_terminal(
432 workspace: &mut Workspace,
433 _: &workspace::NewTerminal,
434 cx: &mut ViewContext<Workspace>,
435 ) {
436 let Some(this) = workspace.focus_panel::<Self>(cx) else {
437 return;
438 };
439
440 this.update(cx, |this, cx| this.add_terminal(None, None, cx))
441 }
442
443 fn terminals_for_task(
444 &self,
445 label: &str,
446 cx: &mut AppContext,
447 ) -> Vec<(usize, View<TerminalView>)> {
448 self.pane
449 .read(cx)
450 .items()
451 .enumerate()
452 .filter_map(|(index, item)| Some((index, item.act_as::<TerminalView>(cx)?)))
453 .filter_map(|(index, terminal_view)| {
454 let task_state = terminal_view.read(cx).terminal().read(cx).task()?;
455 if &task_state.full_label == label {
456 Some((index, terminal_view))
457 } else {
458 None
459 }
460 })
461 .collect()
462 }
463
464 fn activate_terminal_view(&self, item_index: usize, cx: &mut WindowContext) {
465 self.pane.update(cx, |pane, cx| {
466 pane.activate_item(item_index, true, true, cx)
467 })
468 }
469
470 fn add_terminal(
471 &mut self,
472 working_directory: Option<PathBuf>,
473 spawn_task: Option<SpawnTask>,
474 cx: &mut ViewContext<Self>,
475 ) {
476 let workspace = self.workspace.clone();
477 self.pending_terminals_to_add += 1;
478 cx.spawn(|terminal_panel, mut cx| async move {
479 let pane = terminal_panel.update(&mut cx, |this, _| this.pane.clone())?;
480 workspace.update(&mut cx, |workspace, cx| {
481 let working_directory = if let Some(working_directory) = working_directory {
482 Some(working_directory)
483 } else {
484 let working_directory_strategy =
485 TerminalSettings::get_global(cx).working_directory.clone();
486 crate::get_working_directory(workspace, cx, working_directory_strategy)
487 };
488
489 let window = cx.window_handle();
490 if let Some(terminal) = workspace.project().update(cx, |project, cx| {
491 project
492 .create_terminal(working_directory, spawn_task, window, cx)
493 .log_err()
494 }) {
495 let terminal = Box::new(cx.new_view(|cx| {
496 TerminalView::new(
497 terminal,
498 workspace.weak_handle(),
499 workspace.database_id(),
500 cx,
501 )
502 }));
503 pane.update(cx, |pane, cx| {
504 let focus = pane.has_focus(cx);
505 pane.add_item(terminal, true, focus, None, cx);
506 });
507 }
508 })?;
509 terminal_panel.update(&mut cx, |this, cx| {
510 this.pending_terminals_to_add = this.pending_terminals_to_add.saturating_sub(1);
511 this.serialize(cx)
512 })?;
513 anyhow::Ok(())
514 })
515 .detach_and_log_err(cx);
516 }
517
518 fn serialize(&mut self, cx: &mut ViewContext<Self>) {
519 let mut items_to_serialize = HashSet::default();
520 let items = self
521 .pane
522 .read(cx)
523 .items()
524 .filter_map(|item| {
525 let terminal_view = item.act_as::<TerminalView>(cx)?;
526 if terminal_view.read(cx).terminal().read(cx).task().is_some() {
527 None
528 } else {
529 let id = item.item_id().as_u64();
530 items_to_serialize.insert(id);
531 Some(id)
532 }
533 })
534 .collect::<Vec<_>>();
535 let active_item_id = self
536 .pane
537 .read(cx)
538 .active_item()
539 .map(|item| item.item_id().as_u64())
540 .filter(|active_id| items_to_serialize.contains(active_id));
541 let height = self.height;
542 let width = self.width;
543 self.pending_serialization = cx.background_executor().spawn(
544 async move {
545 KEY_VALUE_STORE
546 .write_kvp(
547 TERMINAL_PANEL_KEY.into(),
548 serde_json::to_string(&SerializedTerminalPanel {
549 items,
550 active_item_id,
551 height,
552 width,
553 })?,
554 )
555 .await?;
556 anyhow::Ok(())
557 }
558 .log_err(),
559 );
560 }
561
562 fn replace_terminal(
563 &self,
564 working_directory: Option<PathBuf>,
565 spawn_task: SpawnTask,
566 terminal_item_index: usize,
567 terminal_to_replace: View<TerminalView>,
568 cx: &mut ViewContext<'_, Self>,
569 ) -> Option<()> {
570 let project = self
571 .workspace
572 .update(cx, |workspace, _| workspace.project().clone())
573 .ok()?;
574 let reveal = spawn_task.reveal;
575 let window = cx.window_handle();
576 let new_terminal = project.update(cx, |project, cx| {
577 project
578 .create_terminal(working_directory, Some(spawn_task), window, cx)
579 .log_err()
580 })?;
581 terminal_to_replace.update(cx, |terminal_to_replace, cx| {
582 terminal_to_replace.set_terminal(new_terminal, cx);
583 });
584
585 match reveal {
586 RevealStrategy::Always => {
587 self.activate_terminal_view(terminal_item_index, cx);
588 let task_workspace = self.workspace.clone();
589 cx.spawn(|_, mut cx| async move {
590 task_workspace
591 .update(&mut cx, |workspace, cx| workspace.focus_panel::<Self>(cx))
592 .ok()
593 })
594 .detach();
595 }
596 RevealStrategy::Never => {}
597 }
598
599 Some(())
600 }
601 pub fn pane(&self) -> &View<Pane> {
602 &self.pane
603 }
604}
605
606async fn wait_for_terminals_tasks(
607 terminals_for_task: Vec<(usize, View<TerminalView>)>,
608 cx: &mut AsyncWindowContext,
609) {
610 let pending_tasks = terminals_for_task.iter().filter_map(|(_, terminal)| {
611 terminal
612 .update(cx, |terminal_view, cx| {
613 terminal_view
614 .terminal()
615 .update(cx, |terminal, cx| terminal.wait_for_completed_task(cx))
616 })
617 .ok()
618 });
619 let _: Vec<()> = join_all(pending_tasks).await;
620}
621
622fn add_paths_to_terminal(pane: &mut Pane, paths: &[PathBuf], cx: &mut ViewContext<'_, Pane>) {
623 if let Some(terminal_view) = pane
624 .active_item()
625 .and_then(|item| item.downcast::<TerminalView>())
626 {
627 cx.focus_view(&terminal_view);
628 let mut new_text = paths.iter().map(|path| format!(" {path:?}")).join("");
629 new_text.push(' ');
630 terminal_view.update(cx, |terminal_view, cx| {
631 terminal_view.terminal().update(cx, |terminal, _| {
632 terminal.paste(&new_text);
633 });
634 });
635 }
636}
637
638impl EventEmitter<PanelEvent> for TerminalPanel {}
639
640impl Render for TerminalPanel {
641 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
642 let mut registrar = DivRegistrar::new(
643 |panel, cx| {
644 panel
645 .pane
646 .read(cx)
647 .toolbar()
648 .read(cx)
649 .item_of_type::<BufferSearchBar>()
650 },
651 cx,
652 );
653 BufferSearchBar::register(&mut registrar);
654 registrar.into_div().size_full().child(self.pane.clone())
655 }
656}
657
658impl FocusableView for TerminalPanel {
659 fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
660 self.pane.focus_handle(cx)
661 }
662}
663
664impl Panel for TerminalPanel {
665 fn position(&self, cx: &WindowContext) -> DockPosition {
666 match TerminalSettings::get_global(cx).dock {
667 TerminalDockPosition::Left => DockPosition::Left,
668 TerminalDockPosition::Bottom => DockPosition::Bottom,
669 TerminalDockPosition::Right => DockPosition::Right,
670 }
671 }
672
673 fn position_is_valid(&self, _: DockPosition) -> bool {
674 true
675 }
676
677 fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
678 settings::update_settings_file::<TerminalSettings>(self.fs.clone(), cx, move |settings| {
679 let dock = match position {
680 DockPosition::Left => TerminalDockPosition::Left,
681 DockPosition::Bottom => TerminalDockPosition::Bottom,
682 DockPosition::Right => TerminalDockPosition::Right,
683 };
684 settings.dock = Some(dock);
685 });
686 }
687
688 fn size(&self, cx: &WindowContext) -> Pixels {
689 let settings = TerminalSettings::get_global(cx);
690 match self.position(cx) {
691 DockPosition::Left | DockPosition::Right => {
692 self.width.unwrap_or_else(|| settings.default_width)
693 }
694 DockPosition::Bottom => self.height.unwrap_or_else(|| settings.default_height),
695 }
696 }
697
698 fn set_size(&mut self, size: Option<Pixels>, cx: &mut ViewContext<Self>) {
699 match self.position(cx) {
700 DockPosition::Left | DockPosition::Right => self.width = size,
701 DockPosition::Bottom => self.height = size,
702 }
703 self.serialize(cx);
704 cx.notify();
705 }
706
707 fn is_zoomed(&self, cx: &WindowContext) -> bool {
708 self.pane.read(cx).is_zoomed()
709 }
710
711 fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
712 self.pane.update(cx, |pane, cx| pane.set_zoomed(zoomed, cx));
713 }
714
715 fn set_active(&mut self, active: bool, cx: &mut ViewContext<Self>) {
716 if active && self.pane.read(cx).items_len() == 0 && self.pending_terminals_to_add == 0 {
717 self.add_terminal(None, None, cx)
718 }
719 }
720
721 fn icon_label(&self, cx: &WindowContext) -> Option<String> {
722 let count = self.pane.read(cx).items_len();
723 if count == 0 {
724 None
725 } else {
726 Some(count.to_string())
727 }
728 }
729
730 fn persistent_name() -> &'static str {
731 "TerminalPanel"
732 }
733
734 fn icon(&self, cx: &WindowContext) -> Option<IconName> {
735 TerminalSettings::get_global(cx)
736 .button
737 .then(|| IconName::Terminal)
738 }
739
740 fn icon_tooltip(&self, _cx: &WindowContext) -> Option<&'static str> {
741 Some("Terminal Panel")
742 }
743
744 fn toggle_action(&self) -> Box<dyn gpui::Action> {
745 Box::new(ToggleFocus)
746 }
747}
748
749#[derive(Serialize, Deserialize)]
750struct SerializedTerminalPanel {
751 items: Vec<u64>,
752 active_item_id: Option<u64>,
753 width: Option<Pixels>,
754 height: Option<Pixels>,
755}