1// mod dragged_item_receiver;
2
3use crate::{
4 item::{Item, ItemHandle, ItemSettings, WeakItemHandle},
5 toolbar::Toolbar,
6 workspace_settings::{AutosaveSetting, WorkspaceSettings},
7 SplitDirection, Workspace,
8};
9use anyhow::Result;
10use collections::{HashMap, HashSet, VecDeque};
11use gpui::{
12 AppContext, AsyncWindowContext, Component, Div, EntityId, EventEmitter, FocusHandle, Model,
13 PromptLevel, Render, Task, View, ViewContext, VisualContext, WeakView, WindowContext,
14};
15use parking_lot::Mutex;
16use project2::{Project, ProjectEntryId, ProjectPath};
17use serde::Deserialize;
18use settings2::Settings;
19use std::{
20 any::Any,
21 cmp, fmt, mem,
22 path::{Path, PathBuf},
23 sync::{
24 atomic::{AtomicUsize, Ordering},
25 Arc,
26 },
27};
28use ui::v_stack;
29use ui::{prelude::*, Icon, IconButton, IconColor, IconElement};
30use util::truncate_and_remove_front;
31
32#[derive(PartialEq, Clone, Copy, Deserialize, Debug)]
33#[serde(rename_all = "camelCase")]
34pub enum SaveIntent {
35 /// write all files (even if unchanged)
36 /// prompt before overwriting on-disk changes
37 Save,
38 /// write any files that have local changes
39 /// prompt before overwriting on-disk changes
40 SaveAll,
41 /// always prompt for a new path
42 SaveAs,
43 /// prompt "you have unsaved changes" before writing
44 Close,
45 /// write all dirty files, don't prompt on conflict
46 Overwrite,
47 /// skip all save-related behavior
48 Skip,
49}
50
51// #[derive(Clone, Deserialize, PartialEq)]
52// pub struct ActivateItem(pub usize);
53
54// #[derive(Clone, PartialEq)]
55// pub struct CloseItemById {
56// pub item_id: usize,
57// pub pane: WeakView<Pane>,
58// }
59
60// #[derive(Clone, PartialEq)]
61// pub struct CloseItemsToTheLeftById {
62// pub item_id: usize,
63// pub pane: WeakView<Pane>,
64// }
65
66// #[derive(Clone, PartialEq)]
67// pub struct CloseItemsToTheRightById {
68// pub item_id: usize,
69// pub pane: WeakView<Pane>,
70// }
71
72// #[derive(Clone, PartialEq, Debug, Deserialize, Default)]
73// #[serde(rename_all = "camelCase")]
74// pub struct CloseActiveItem {
75// pub save_intent: Option<SaveIntent>,
76// }
77
78// #[derive(Clone, PartialEq, Debug, Deserialize)]
79// #[serde(rename_all = "camelCase")]
80// pub struct CloseAllItems {
81// pub save_intent: Option<SaveIntent>,
82// }
83
84// todo!()
85// actions!(
86// pane,
87// [
88// ActivatePrevItem,
89// ActivateNextItem,
90// ActivateLastItem,
91// CloseInactiveItems,
92// CloseCleanItems,
93// CloseItemsToTheLeft,
94// CloseItemsToTheRight,
95// GoBack,
96// GoForward,
97// ReopenClosedItem,
98// SplitLeft,
99// SplitUp,
100// SplitRight,
101// SplitDown,
102// ]
103// );
104
105// impl_actions!(pane, [ActivateItem, CloseActiveItem, CloseAllItems]);
106
107const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
108
109pub fn init(cx: &mut AppContext) {
110 // todo!()
111 // cx.add_action(Pane::toggle_zoom);
112 // cx.add_action(|pane: &mut Pane, action: &ActivateItem, cx| {
113 // pane.activate_item(action.0, true, true, cx);
114 // });
115 // cx.add_action(|pane: &mut Pane, _: &ActivateLastItem, cx| {
116 // pane.activate_item(pane.items.len() - 1, true, true, cx);
117 // });
118 // cx.add_action(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
119 // pane.activate_prev_item(true, cx);
120 // });
121 // cx.add_action(|pane: &mut Pane, _: &ActivateNextItem, cx| {
122 // pane.activate_next_item(true, cx);
123 // });
124 // cx.add_async_action(Pane::close_active_item);
125 // cx.add_async_action(Pane::close_inactive_items);
126 // cx.add_async_action(Pane::close_clean_items);
127 // cx.add_async_action(Pane::close_items_to_the_left);
128 // cx.add_async_action(Pane::close_items_to_the_right);
129 // cx.add_async_action(Pane::close_all_items);
130 // cx.add_action(|pane: &mut Pane, _: &SplitLeft, cx| pane.split(SplitDirection::Left, cx));
131 // cx.add_action(|pane: &mut Pane, _: &SplitUp, cx| pane.split(SplitDirection::Up, cx));
132 // cx.add_action(|pane: &mut Pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx));
133 // cx.add_action(|pane: &mut Pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx));
134}
135
136pub enum Event {
137 AddItem { item: Box<dyn ItemHandle> },
138 ActivateItem { local: bool },
139 Remove,
140 RemoveItem { item_id: EntityId },
141 Split(SplitDirection),
142 ChangeItemTitle,
143 Focus,
144 ZoomIn,
145 ZoomOut,
146}
147
148impl fmt::Debug for Event {
149 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
150 match self {
151 Event::AddItem { item } => f.debug_struct("AddItem").field("item", &item.id()).finish(),
152 Event::ActivateItem { local } => f
153 .debug_struct("ActivateItem")
154 .field("local", local)
155 .finish(),
156 Event::Remove => f.write_str("Remove"),
157 Event::RemoveItem { item_id } => f
158 .debug_struct("RemoveItem")
159 .field("item_id", item_id)
160 .finish(),
161 Event::Split(direction) => f
162 .debug_struct("Split")
163 .field("direction", direction)
164 .finish(),
165 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
166 Event::Focus => f.write_str("Focus"),
167 Event::ZoomIn => f.write_str("ZoomIn"),
168 Event::ZoomOut => f.write_str("ZoomOut"),
169 }
170 }
171}
172
173pub struct Pane {
174 focus_handle: FocusHandle,
175 items: Vec<Box<dyn ItemHandle>>,
176 activation_history: Vec<EntityId>,
177 zoomed: bool,
178 active_item_index: usize,
179 // last_focused_view_by_item: HashMap<usize, AnyWeakViewHandle>,
180 autoscroll: bool,
181 nav_history: NavHistory,
182 toolbar: View<Toolbar>,
183 // tab_bar_context_menu: TabBarContextMenu,
184 // tab_context_menu: ViewHandle<ContextMenu>,
185 workspace: WeakView<Workspace>,
186 project: Model<Project>,
187 // can_drop: Rc<dyn Fn(&DragAndDrop<Workspace>, &WindowContext) -> bool>,
188 // can_split: bool,
189 // render_tab_bar_buttons: Rc<dyn Fn(&mut Pane, &mut ViewContext<Pane>) -> AnyElement<Pane>>,
190}
191
192pub struct ItemNavHistory {
193 history: NavHistory,
194 item: Arc<dyn WeakItemHandle>,
195}
196
197#[derive(Clone)]
198pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
199
200struct NavHistoryState {
201 mode: NavigationMode,
202 backward_stack: VecDeque<NavigationEntry>,
203 forward_stack: VecDeque<NavigationEntry>,
204 closed_stack: VecDeque<NavigationEntry>,
205 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
206 pane: WeakView<Pane>,
207 next_timestamp: Arc<AtomicUsize>,
208}
209
210#[derive(Copy, Clone)]
211pub enum NavigationMode {
212 Normal,
213 GoingBack,
214 GoingForward,
215 ClosingItem,
216 ReopeningClosedItem,
217 Disabled,
218}
219
220impl Default for NavigationMode {
221 fn default() -> Self {
222 Self::Normal
223 }
224}
225
226pub struct NavigationEntry {
227 pub item: Arc<dyn WeakItemHandle>,
228 pub data: Option<Box<dyn Any + Send>>,
229 pub timestamp: usize,
230}
231
232// pub struct DraggedItem {
233// pub handle: Box<dyn ItemHandle>,
234// pub pane: WeakView<Pane>,
235// }
236
237// pub enum ReorderBehavior {
238// None,
239// MoveAfterActive,
240// MoveToIndex(usize),
241// }
242
243// #[derive(Debug, Clone, Copy, PartialEq, Eq)]
244// enum TabBarContextMenuKind {
245// New,
246// Split,
247// }
248
249// struct TabBarContextMenu {
250// kind: TabBarContextMenuKind,
251// handle: ViewHandle<ContextMenu>,
252// }
253
254// impl TabBarContextMenu {
255// fn handle_if_kind(&self, kind: TabBarContextMenuKind) -> Option<ViewHandle<ContextMenu>> {
256// if self.kind == kind {
257// return Some(self.handle.clone());
258// }
259// None
260// }
261// }
262
263// #[allow(clippy::too_many_arguments)]
264// fn nav_button<A: Action, F: 'static + Fn(&mut Pane, &mut ViewContext<Pane>)>(
265// svg_path: &'static str,
266// style: theme2::Interactive<theme2::IconButton>,
267// nav_button_height: f32,
268// tooltip_style: TooltipStyle,
269// enabled: bool,
270// on_click: F,
271// tooltip_action: A,
272// action_name: &str,
273// cx: &mut ViewContext<Pane>,
274// ) -> AnyElement<Pane> {
275// MouseEventHandler::new::<A, _>(0, cx, |state, _| {
276// let style = if enabled {
277// style.style_for(state)
278// } else {
279// style.disabled_style()
280// };
281// Svg::new(svg_path)
282// .with_color(style.color)
283// .constrained()
284// .with_width(style.icon_width)
285// .aligned()
286// .contained()
287// .with_style(style.container)
288// .constrained()
289// .with_width(style.button_width)
290// .with_height(nav_button_height)
291// .aligned()
292// .top()
293// })
294// .with_cursor_style(if enabled {
295// CursorStyle::PointingHand
296// } else {
297// CursorStyle::default()
298// })
299// .on_click(MouseButton::Left, move |_, toolbar, cx| {
300// on_click(toolbar, cx)
301// })
302// .with_tooltip::<A>(
303// 0,
304// action_name.to_string(),
305// Some(Box::new(tooltip_action)),
306// tooltip_style,
307// cx,
308// )
309// .contained()
310// .into_any_named("nav button")
311// }
312
313impl EventEmitter for Pane {
314 type Event = Event;
315}
316
317impl Pane {
318 pub fn new(
319 workspace: WeakView<Workspace>,
320 project: Model<Project>,
321 next_timestamp: Arc<AtomicUsize>,
322 cx: &mut ViewContext<Self>,
323 ) -> Self {
324 // todo!("context menu")
325 // let pane_view_id = cx.view_id();
326 // let context_menu = cx.add_view(|cx| ContextMenu::new(pane_view_id, cx));
327 // context_menu.update(cx, |menu, _| {
328 // menu.set_position_mode(OverlayPositionMode::Local)
329 // });
330
331 let handle = cx.view().downgrade();
332 Self {
333 focus_handle: cx.focus_handle(),
334 items: Vec::new(),
335 activation_history: Vec::new(),
336 zoomed: false,
337 active_item_index: 0,
338 // last_focused_view_by_item: Default::default(),
339 autoscroll: false,
340 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
341 mode: NavigationMode::Normal,
342 backward_stack: Default::default(),
343 forward_stack: Default::default(),
344 closed_stack: Default::default(),
345 paths_by_item: Default::default(),
346 pane: handle.clone(),
347 next_timestamp,
348 }))),
349 toolbar: cx.build_view(|_| Toolbar::new()),
350 // tab_bar_context_menu: TabBarContextMenu {
351 // kind: TabBarContextMenuKind::New,
352 // handle: context_menu,
353 // },
354 // tab_context_menu: cx.add_view(|cx| ContextMenu::new(pane_view_id, cx)),
355 workspace,
356 project,
357 // can_drop: Rc::new(|_, _| true),
358 // can_split: true,
359 // render_tab_bar_buttons: Rc::new(move |pane, cx| {
360 // Flex::row()
361 // // New menu
362 // .with_child(Self::render_tab_bar_button(
363 // 0,
364 // "icons/plus.svg",
365 // false,
366 // Some(("New...".into(), None)),
367 // cx,
368 // |pane, cx| pane.deploy_new_menu(cx),
369 // |pane, cx| {
370 // pane.tab_bar_context_menu
371 // .handle
372 // .update(cx, |menu, _| menu.delay_cancel())
373 // },
374 // pane.tab_bar_context_menu
375 // .handle_if_kind(TabBarContextMenuKind::New),
376 // ))
377 // .with_child(Self::render_tab_bar_button(
378 // 1,
379 // "icons/split.svg",
380 // false,
381 // Some(("Split Pane".into(), None)),
382 // cx,
383 // |pane, cx| pane.deploy_split_menu(cx),
384 // |pane, cx| {
385 // pane.tab_bar_context_menu
386 // .handle
387 // .update(cx, |menu, _| menu.delay_cancel())
388 // },
389 // pane.tab_bar_context_menu
390 // .handle_if_kind(TabBarContextMenuKind::Split),
391 // ))
392 // .with_child({
393 // let icon_path;
394 // let tooltip_label;
395 // if pane.is_zoomed() {
396 // icon_path = "icons/minimize.svg";
397 // tooltip_label = "Zoom In";
398 // } else {
399 // icon_path = "icons/maximize.svg";
400 // tooltip_label = "Zoom In";
401 // }
402
403 // Pane::render_tab_bar_button(
404 // 2,
405 // icon_path,
406 // pane.is_zoomed(),
407 // Some((tooltip_label, Some(Box::new(ToggleZoom)))),
408 // cx,
409 // move |pane, cx| pane.toggle_zoom(&Default::default(), cx),
410 // move |_, _| {},
411 // None,
412 // )
413 // })
414 // .into_any()
415 // }),
416 }
417 }
418
419 pub(crate) fn workspace(&self) -> &WeakView<Workspace> {
420 &self.workspace
421 }
422
423 pub fn has_focus(&self, cx: &WindowContext) -> bool {
424 self.focus_handle.contains_focused(cx)
425 }
426
427 pub fn active_item_index(&self) -> usize {
428 self.active_item_index
429 }
430
431 // pub fn on_can_drop<F>(&mut self, can_drop: F)
432 // where
433 // F: 'static + Fn(&DragAndDrop<Workspace>, &WindowContext) -> bool,
434 // {
435 // self.can_drop = Rc::new(can_drop);
436 // }
437
438 // pub fn set_can_split(&mut self, can_split: bool, cx: &mut ViewContext<Self>) {
439 // self.can_split = can_split;
440 // cx.notify();
441 // }
442
443 // pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut ViewContext<Self>) {
444 // self.toolbar.update(cx, |toolbar, cx| {
445 // toolbar.set_can_navigate(can_navigate, cx);
446 // });
447 // cx.notify();
448 // }
449
450 // pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut ViewContext<Self>, render: F)
451 // where
452 // F: 'static + Fn(&mut Pane, &mut ViewContext<Pane>) -> AnyElement<Pane>,
453 // {
454 // self.render_tab_bar_buttons = Rc::new(render);
455 // cx.notify();
456 // }
457
458 pub fn nav_history_for_item<T: Item>(&self, item: &View<T>) -> ItemNavHistory {
459 ItemNavHistory {
460 history: self.nav_history.clone(),
461 item: Arc::new(item.downgrade()),
462 }
463 }
464
465 pub fn nav_history(&self) -> &NavHistory {
466 &self.nav_history
467 }
468
469 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
470 &mut self.nav_history
471 }
472
473 pub fn disable_history(&mut self) {
474 self.nav_history.disable();
475 }
476
477 pub fn enable_history(&mut self) {
478 self.nav_history.enable();
479 }
480
481 pub fn can_navigate_backward(&self) -> bool {
482 !self.nav_history.0.lock().backward_stack.is_empty()
483 }
484
485 pub fn can_navigate_forward(&self) -> bool {
486 !self.nav_history.0.lock().forward_stack.is_empty()
487 }
488
489 fn history_updated(&mut self, cx: &mut ViewContext<Self>) {
490 self.toolbar.update(cx, |_, cx| cx.notify());
491 }
492
493 pub(crate) fn open_item(
494 &mut self,
495 project_entry_id: ProjectEntryId,
496 focus_item: bool,
497 cx: &mut ViewContext<Self>,
498 build_item: impl FnOnce(&mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
499 ) -> Box<dyn ItemHandle> {
500 let mut existing_item = None;
501 for (index, item) in self.items.iter().enumerate() {
502 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [project_entry_id]
503 {
504 let item = item.boxed_clone();
505 existing_item = Some((index, item));
506 break;
507 }
508 }
509
510 if let Some((index, existing_item)) = existing_item {
511 self.activate_item(index, focus_item, focus_item, cx);
512 existing_item
513 } else {
514 let new_item = build_item(cx);
515 self.add_item(new_item.clone(), true, focus_item, None, cx);
516 new_item
517 }
518 }
519
520 pub fn add_item(
521 &mut self,
522 item: Box<dyn ItemHandle>,
523 activate_pane: bool,
524 focus_item: bool,
525 destination_index: Option<usize>,
526 cx: &mut ViewContext<Self>,
527 ) {
528 if item.is_singleton(cx) {
529 if let Some(&entry_id) = item.project_entry_ids(cx).get(0) {
530 let project = self.project.read(cx);
531 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
532 let abs_path = project.absolute_path(&project_path, cx);
533 self.nav_history
534 .0
535 .lock()
536 .paths_by_item
537 .insert(item.id(), (project_path, abs_path));
538 }
539 }
540 }
541 // If no destination index is specified, add or move the item after the active item.
542 let mut insertion_index = {
543 cmp::min(
544 if let Some(destination_index) = destination_index {
545 destination_index
546 } else {
547 self.active_item_index + 1
548 },
549 self.items.len(),
550 )
551 };
552
553 // Does the item already exist?
554 let project_entry_id = if item.is_singleton(cx) {
555 item.project_entry_ids(cx).get(0).copied()
556 } else {
557 None
558 };
559
560 let existing_item_index = self.items.iter().position(|existing_item| {
561 if existing_item.id() == item.id() {
562 true
563 } else if existing_item.is_singleton(cx) {
564 existing_item
565 .project_entry_ids(cx)
566 .get(0)
567 .map_or(false, |existing_entry_id| {
568 Some(existing_entry_id) == project_entry_id.as_ref()
569 })
570 } else {
571 false
572 }
573 });
574
575 if let Some(existing_item_index) = existing_item_index {
576 // If the item already exists, move it to the desired destination and activate it
577
578 if existing_item_index != insertion_index {
579 let existing_item_is_active = existing_item_index == self.active_item_index;
580
581 // If the caller didn't specify a destination and the added item is already
582 // the active one, don't move it
583 if existing_item_is_active && destination_index.is_none() {
584 insertion_index = existing_item_index;
585 } else {
586 self.items.remove(existing_item_index);
587 if existing_item_index < self.active_item_index {
588 self.active_item_index -= 1;
589 }
590 insertion_index = insertion_index.min(self.items.len());
591
592 self.items.insert(insertion_index, item.clone());
593
594 if existing_item_is_active {
595 self.active_item_index = insertion_index;
596 } else if insertion_index <= self.active_item_index {
597 self.active_item_index += 1;
598 }
599 }
600
601 cx.notify();
602 }
603
604 self.activate_item(insertion_index, activate_pane, focus_item, cx);
605 } else {
606 self.items.insert(insertion_index, item.clone());
607 if insertion_index <= self.active_item_index {
608 self.active_item_index += 1;
609 }
610
611 self.activate_item(insertion_index, activate_pane, focus_item, cx);
612 cx.notify();
613 }
614
615 cx.emit(Event::AddItem { item });
616 }
617
618 pub fn items_len(&self) -> usize {
619 self.items.len()
620 }
621
622 pub fn items(&self) -> impl Iterator<Item = &Box<dyn ItemHandle>> + DoubleEndedIterator {
623 self.items.iter()
624 }
625
626 // pub fn items_of_type<T: View>(&self) -> impl '_ + Iterator<Item = ViewHandle<T>> {
627 // self.items
628 // .iter()
629 // .filter_map(|item| item.as_any().clone().downcast())
630 // }
631
632 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
633 self.items.get(self.active_item_index).cloned()
634 }
635
636 // pub fn pixel_position_of_cursor(&self, cx: &AppContext) -> Option<Vector2F> {
637 // self.items
638 // .get(self.active_item_index)?
639 // .pixel_position_of_cursor(cx)
640 // }
641
642 pub fn item_for_entry(
643 &self,
644 entry_id: ProjectEntryId,
645 cx: &AppContext,
646 ) -> Option<Box<dyn ItemHandle>> {
647 self.items.iter().find_map(|item| {
648 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
649 Some(item.boxed_clone())
650 } else {
651 None
652 }
653 })
654 }
655
656 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
657 self.items.iter().position(|i| i.id() == item.id())
658 }
659
660 // pub fn toggle_zoom(&mut self, _: &ToggleZoom, cx: &mut ViewContext<Self>) {
661 // // Potentially warn the user of the new keybinding
662 // let workspace_handle = self.workspace().clone();
663 // cx.spawn(|_, mut cx| async move { notify_of_new_dock(&workspace_handle, &mut cx) })
664 // .detach();
665
666 // if self.zoomed {
667 // cx.emit(Event::ZoomOut);
668 // } else if !self.items.is_empty() {
669 // if !self.has_focus {
670 // cx.focus_self();
671 // }
672 // cx.emit(Event::ZoomIn);
673 // }
674 // }
675
676 pub fn activate_item(
677 &mut self,
678 index: usize,
679 activate_pane: bool,
680 focus_item: bool,
681 cx: &mut ViewContext<Self>,
682 ) {
683 use NavigationMode::{GoingBack, GoingForward};
684
685 if index < self.items.len() {
686 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
687 if prev_active_item_ix != self.active_item_index
688 || matches!(self.nav_history.mode(), GoingBack | GoingForward)
689 {
690 if let Some(prev_item) = self.items.get(prev_active_item_ix) {
691 prev_item.deactivated(cx);
692 }
693
694 cx.emit(Event::ActivateItem {
695 local: activate_pane,
696 });
697 }
698
699 if let Some(newly_active_item) = self.items.get(index) {
700 self.activation_history
701 .retain(|&previously_active_item_id| {
702 previously_active_item_id != newly_active_item.id()
703 });
704 self.activation_history.push(newly_active_item.id());
705 }
706
707 self.update_toolbar(cx);
708
709 if focus_item {
710 self.focus_active_item(cx);
711 }
712
713 self.autoscroll = true;
714 cx.notify();
715 }
716 }
717
718 // pub fn activate_prev_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
719 // let mut index = self.active_item_index;
720 // if index > 0 {
721 // index -= 1;
722 // } else if !self.items.is_empty() {
723 // index = self.items.len() - 1;
724 // }
725 // self.activate_item(index, activate_pane, activate_pane, cx);
726 // }
727
728 // pub fn activate_next_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
729 // let mut index = self.active_item_index;
730 // if index + 1 < self.items.len() {
731 // index += 1;
732 // } else {
733 // index = 0;
734 // }
735 // self.activate_item(index, activate_pane, activate_pane, cx);
736 // }
737
738 // pub fn close_active_item(
739 // &mut self,
740 // action: &CloseActiveItem,
741 // cx: &mut ViewContext<Self>,
742 // ) -> Option<Task<Result<()>>> {
743 // if self.items.is_empty() {
744 // return None;
745 // }
746 // let active_item_id = self.items[self.active_item_index].id();
747 // Some(self.close_item_by_id(
748 // active_item_id,
749 // action.save_intent.unwrap_or(SaveIntent::Close),
750 // cx,
751 // ))
752 // }
753
754 pub fn close_item_by_id(
755 &mut self,
756 item_id_to_close: EntityId,
757 save_intent: SaveIntent,
758 cx: &mut ViewContext<Self>,
759 ) -> Task<Result<()>> {
760 self.close_items(cx, save_intent, move |view_id| view_id == item_id_to_close)
761 }
762
763 // pub fn close_inactive_items(
764 // &mut self,
765 // _: &CloseInactiveItems,
766 // cx: &mut ViewContext<Self>,
767 // ) -> Option<Task<Result<()>>> {
768 // if self.items.is_empty() {
769 // return None;
770 // }
771
772 // let active_item_id = self.items[self.active_item_index].id();
773 // Some(self.close_items(cx, SaveIntent::Close, move |item_id| {
774 // item_id != active_item_id
775 // }))
776 // }
777
778 // pub fn close_clean_items(
779 // &mut self,
780 // _: &CloseCleanItems,
781 // cx: &mut ViewContext<Self>,
782 // ) -> Option<Task<Result<()>>> {
783 // let item_ids: Vec<_> = self
784 // .items()
785 // .filter(|item| !item.is_dirty(cx))
786 // .map(|item| item.id())
787 // .collect();
788 // Some(self.close_items(cx, SaveIntent::Close, move |item_id| {
789 // item_ids.contains(&item_id)
790 // }))
791 // }
792
793 // pub fn close_items_to_the_left(
794 // &mut self,
795 // _: &CloseItemsToTheLeft,
796 // cx: &mut ViewContext<Self>,
797 // ) -> Option<Task<Result<()>>> {
798 // if self.items.is_empty() {
799 // return None;
800 // }
801 // let active_item_id = self.items[self.active_item_index].id();
802 // Some(self.close_items_to_the_left_by_id(active_item_id, cx))
803 // }
804
805 // pub fn close_items_to_the_left_by_id(
806 // &mut self,
807 // item_id: usize,
808 // cx: &mut ViewContext<Self>,
809 // ) -> Task<Result<()>> {
810 // let item_ids: Vec<_> = self
811 // .items()
812 // .take_while(|item| item.id() != item_id)
813 // .map(|item| item.id())
814 // .collect();
815 // self.close_items(cx, SaveIntent::Close, move |item_id| {
816 // item_ids.contains(&item_id)
817 // })
818 // }
819
820 // pub fn close_items_to_the_right(
821 // &mut self,
822 // _: &CloseItemsToTheRight,
823 // cx: &mut ViewContext<Self>,
824 // ) -> Option<Task<Result<()>>> {
825 // if self.items.is_empty() {
826 // return None;
827 // }
828 // let active_item_id = self.items[self.active_item_index].id();
829 // Some(self.close_items_to_the_right_by_id(active_item_id, cx))
830 // }
831
832 // pub fn close_items_to_the_right_by_id(
833 // &mut self,
834 // item_id: usize,
835 // cx: &mut ViewContext<Self>,
836 // ) -> Task<Result<()>> {
837 // let item_ids: Vec<_> = self
838 // .items()
839 // .rev()
840 // .take_while(|item| item.id() != item_id)
841 // .map(|item| item.id())
842 // .collect();
843 // self.close_items(cx, SaveIntent::Close, move |item_id| {
844 // item_ids.contains(&item_id)
845 // })
846 // }
847
848 // pub fn close_all_items(
849 // &mut self,
850 // action: &CloseAllItems,
851 // cx: &mut ViewContext<Self>,
852 // ) -> Option<Task<Result<()>>> {
853 // if self.items.is_empty() {
854 // return None;
855 // }
856
857 // Some(
858 // self.close_items(cx, action.save_intent.unwrap_or(SaveIntent::Close), |_| {
859 // true
860 // }),
861 // )
862 // }
863
864 pub(super) fn file_names_for_prompt(
865 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
866 all_dirty_items: usize,
867 cx: &AppContext,
868 ) -> String {
869 /// Quantity of item paths displayed in prompt prior to cutoff..
870 const FILE_NAMES_CUTOFF_POINT: usize = 10;
871 let mut file_names: Vec<_> = items
872 .filter_map(|item| {
873 item.project_path(cx).and_then(|project_path| {
874 project_path
875 .path
876 .file_name()
877 .and_then(|name| name.to_str().map(ToOwned::to_owned))
878 })
879 })
880 .take(FILE_NAMES_CUTOFF_POINT)
881 .collect();
882 let should_display_followup_text =
883 all_dirty_items > FILE_NAMES_CUTOFF_POINT || file_names.len() != all_dirty_items;
884 if should_display_followup_text {
885 let not_shown_files = all_dirty_items - file_names.len();
886 if not_shown_files == 1 {
887 file_names.push(".. 1 file not shown".into());
888 } else {
889 file_names.push(format!(".. {} files not shown", not_shown_files).into());
890 }
891 }
892 let file_names = file_names.join("\n");
893 format!(
894 "Do you want to save changes to the following {} files?\n{file_names}",
895 all_dirty_items
896 )
897 }
898
899 pub fn close_items(
900 &mut self,
901 cx: &mut ViewContext<Pane>,
902 mut save_intent: SaveIntent,
903 should_close: impl 'static + Fn(EntityId) -> bool,
904 ) -> Task<Result<()>> {
905 // Find the items to close.
906 let mut items_to_close = Vec::new();
907 let mut dirty_items = Vec::new();
908 for item in &self.items {
909 if should_close(item.id()) {
910 items_to_close.push(item.boxed_clone());
911 if item.is_dirty(cx) {
912 dirty_items.push(item.boxed_clone());
913 }
914 }
915 }
916
917 // If a buffer is open both in a singleton editor and in a multibuffer, make sure
918 // to focus the singleton buffer when prompting to save that buffer, as opposed
919 // to focusing the multibuffer, because this gives the user a more clear idea
920 // of what content they would be saving.
921 items_to_close.sort_by_key(|item| !item.is_singleton(cx));
922
923 let workspace = self.workspace.clone();
924 cx.spawn(|pane, mut cx| async move {
925 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
926 let answer = pane.update(&mut cx, |_, cx| {
927 let prompt =
928 Self::file_names_for_prompt(&mut dirty_items.iter(), dirty_items.len(), cx);
929 cx.prompt(
930 PromptLevel::Warning,
931 &prompt,
932 &["Save all", "Discard all", "Cancel"],
933 )
934 })?;
935 match answer.await {
936 Ok(0) => save_intent = SaveIntent::SaveAll,
937 Ok(1) => save_intent = SaveIntent::Skip,
938 _ => {}
939 }
940 }
941 let mut saved_project_items_ids = HashSet::default();
942 for item in items_to_close.clone() {
943 // Find the item's current index and its set of project item models. Avoid
944 // storing these in advance, in case they have changed since this task
945 // was started.
946 let (item_ix, mut project_item_ids) = pane.update(&mut cx, |pane, cx| {
947 (pane.index_for_item(&*item), item.project_item_model_ids(cx))
948 })?;
949 let item_ix = if let Some(ix) = item_ix {
950 ix
951 } else {
952 continue;
953 };
954
955 // Check if this view has any project items that are not open anywhere else
956 // in the workspace, AND that the user has not already been prompted to save.
957 // If there are any such project entries, prompt the user to save this item.
958 let project = workspace.update(&mut cx, |workspace, cx| {
959 for item in workspace.items(cx) {
960 if !items_to_close
961 .iter()
962 .any(|item_to_close| item_to_close.id() == item.id())
963 {
964 let other_project_item_ids = item.project_item_model_ids(cx);
965 project_item_ids.retain(|id| !other_project_item_ids.contains(id));
966 }
967 }
968 workspace.project().clone()
969 })?;
970 let should_save = project_item_ids
971 .iter()
972 .any(|id| saved_project_items_ids.insert(*id));
973
974 if should_save
975 && !Self::save_item(
976 project.clone(),
977 &pane,
978 item_ix,
979 &*item,
980 save_intent,
981 &mut cx,
982 )
983 .await?
984 {
985 break;
986 }
987
988 // Remove the item from the pane.
989 pane.update(&mut cx, |pane, cx| {
990 if let Some(item_ix) = pane.items.iter().position(|i| i.id() == item.id()) {
991 pane.remove_item(item_ix, false, cx);
992 }
993 })?;
994 }
995
996 pane.update(&mut cx, |_, cx| cx.notify())?;
997 Ok(())
998 })
999 }
1000
1001 pub fn remove_item(
1002 &mut self,
1003 item_index: usize,
1004 activate_pane: bool,
1005 cx: &mut ViewContext<Self>,
1006 ) {
1007 self.activation_history
1008 .retain(|&history_entry| history_entry != self.items[item_index].id());
1009
1010 if item_index == self.active_item_index {
1011 let index_to_activate = self
1012 .activation_history
1013 .pop()
1014 .and_then(|last_activated_item| {
1015 self.items.iter().enumerate().find_map(|(index, item)| {
1016 (item.id() == last_activated_item).then_some(index)
1017 })
1018 })
1019 // We didn't have a valid activation history entry, so fallback
1020 // to activating the item to the left
1021 .unwrap_or_else(|| item_index.min(self.items.len()).saturating_sub(1));
1022
1023 let should_activate = activate_pane || self.has_focus(cx);
1024 self.activate_item(index_to_activate, should_activate, should_activate, cx);
1025 }
1026
1027 let item = self.items.remove(item_index);
1028
1029 cx.emit(Event::RemoveItem { item_id: item.id() });
1030 if self.items.is_empty() {
1031 item.deactivated(cx);
1032 self.update_toolbar(cx);
1033 cx.emit(Event::Remove);
1034 }
1035
1036 if item_index < self.active_item_index {
1037 self.active_item_index -= 1;
1038 }
1039
1040 self.nav_history.set_mode(NavigationMode::ClosingItem);
1041 item.deactivated(cx);
1042 self.nav_history.set_mode(NavigationMode::Normal);
1043
1044 if let Some(path) = item.project_path(cx) {
1045 let abs_path = self
1046 .nav_history
1047 .0
1048 .lock()
1049 .paths_by_item
1050 .get(&item.id())
1051 .and_then(|(_, abs_path)| abs_path.clone());
1052
1053 self.nav_history
1054 .0
1055 .lock()
1056 .paths_by_item
1057 .insert(item.id(), (path, abs_path));
1058 } else {
1059 self.nav_history.0.lock().paths_by_item.remove(&item.id());
1060 }
1061
1062 if self.items.is_empty() && self.zoomed {
1063 cx.emit(Event::ZoomOut);
1064 }
1065
1066 cx.notify();
1067 }
1068
1069 pub async fn save_item(
1070 project: Model<Project>,
1071 pane: &WeakView<Pane>,
1072 item_ix: usize,
1073 item: &dyn ItemHandle,
1074 save_intent: SaveIntent,
1075 cx: &mut AsyncWindowContext,
1076 ) -> Result<bool> {
1077 const CONFLICT_MESSAGE: &str =
1078 "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1079
1080 if save_intent == SaveIntent::Skip {
1081 return Ok(true);
1082 }
1083
1084 let (mut has_conflict, mut is_dirty, mut can_save, can_save_as) = cx.update(|_, cx| {
1085 (
1086 item.has_conflict(cx),
1087 item.is_dirty(cx),
1088 item.can_save(cx),
1089 item.is_singleton(cx),
1090 )
1091 })?;
1092
1093 // when saving a single buffer, we ignore whether or not it's dirty.
1094 if save_intent == SaveIntent::Save {
1095 is_dirty = true;
1096 }
1097
1098 if save_intent == SaveIntent::SaveAs {
1099 is_dirty = true;
1100 has_conflict = false;
1101 can_save = false;
1102 }
1103
1104 if save_intent == SaveIntent::Overwrite {
1105 has_conflict = false;
1106 }
1107
1108 if has_conflict && can_save {
1109 let answer = pane.update(cx, |pane, cx| {
1110 pane.activate_item(item_ix, true, true, cx);
1111 cx.prompt(
1112 PromptLevel::Warning,
1113 CONFLICT_MESSAGE,
1114 &["Overwrite", "Discard", "Cancel"],
1115 )
1116 })?;
1117 match answer.await {
1118 Ok(0) => pane.update(cx, |_, cx| item.save(project, cx))?.await?,
1119 Ok(1) => pane.update(cx, |_, cx| item.reload(project, cx))?.await?,
1120 _ => return Ok(false),
1121 }
1122 } else if is_dirty && (can_save || can_save_as) {
1123 if save_intent == SaveIntent::Close {
1124 let will_autosave = cx.update(|_, cx| {
1125 matches!(
1126 WorkspaceSettings::get_global(cx).autosave,
1127 AutosaveSetting::OnFocusChange | AutosaveSetting::OnWindowChange
1128 ) && Self::can_autosave_item(&*item, cx)
1129 })?;
1130 if !will_autosave {
1131 let answer = pane.update(cx, |pane, cx| {
1132 pane.activate_item(item_ix, true, true, cx);
1133 let prompt = dirty_message_for(item.project_path(cx));
1134 cx.prompt(
1135 PromptLevel::Warning,
1136 &prompt,
1137 &["Save", "Don't Save", "Cancel"],
1138 )
1139 })?;
1140 match answer.await {
1141 Ok(0) => {}
1142 Ok(1) => return Ok(true), // Don't save this file
1143 _ => return Ok(false), // Cancel
1144 }
1145 }
1146 }
1147
1148 if can_save {
1149 pane.update(cx, |_, cx| item.save(project, cx))?.await?;
1150 } else if can_save_as {
1151 let start_abs_path = project
1152 .update(cx, |project, cx| {
1153 let worktree = project.visible_worktrees(cx).next()?;
1154 Some(worktree.read(cx).as_local()?.abs_path().to_path_buf())
1155 })?
1156 .unwrap_or_else(|| Path::new("").into());
1157
1158 let abs_path = cx.update(|_, cx| cx.prompt_for_new_path(&start_abs_path))?;
1159 if let Some(abs_path) = abs_path.await.ok().flatten() {
1160 pane.update(cx, |_, cx| item.save_as(project, abs_path, cx))?
1161 .await?;
1162 } else {
1163 return Ok(false);
1164 }
1165 }
1166 }
1167 Ok(true)
1168 }
1169
1170 fn can_autosave_item(item: &dyn ItemHandle, cx: &AppContext) -> bool {
1171 let is_deleted = item.project_entry_ids(cx).is_empty();
1172 item.is_dirty(cx) && !item.has_conflict(cx) && item.can_save(cx) && !is_deleted
1173 }
1174
1175 pub fn autosave_item(
1176 item: &dyn ItemHandle,
1177 project: Model<Project>,
1178 cx: &mut WindowContext,
1179 ) -> Task<Result<()>> {
1180 if Self::can_autosave_item(item, cx) {
1181 item.save(project, cx)
1182 } else {
1183 Task::ready(Ok(()))
1184 }
1185 }
1186
1187 pub fn focus(&mut self, cx: &mut ViewContext<Pane>) {
1188 cx.focus(&self.focus_handle);
1189 }
1190
1191 pub fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
1192 if let Some(active_item) = self.active_item() {
1193 let focus_handle = active_item.focus_handle(cx);
1194 cx.focus(&focus_handle);
1195 }
1196 }
1197
1198 // pub fn split(&mut self, direction: SplitDirection, cx: &mut ViewContext<Self>) {
1199 // cx.emit(Event::Split(direction));
1200 // }
1201
1202 // fn deploy_split_menu(&mut self, cx: &mut ViewContext<Self>) {
1203 // self.tab_bar_context_menu.handle.update(cx, |menu, cx| {
1204 // menu.toggle(
1205 // Default::default(),
1206 // AnchorCorner::TopRight,
1207 // vec![
1208 // ContextMenuItem::action("Split Right", SplitRight),
1209 // ContextMenuItem::action("Split Left", SplitLeft),
1210 // ContextMenuItem::action("Split Up", SplitUp),
1211 // ContextMenuItem::action("Split Down", SplitDown),
1212 // ],
1213 // cx,
1214 // );
1215 // });
1216
1217 // self.tab_bar_context_menu.kind = TabBarContextMenuKind::Split;
1218 // }
1219
1220 // fn deploy_new_menu(&mut self, cx: &mut ViewContext<Self>) {
1221 // self.tab_bar_context_menu.handle.update(cx, |menu, cx| {
1222 // menu.toggle(
1223 // Default::default(),
1224 // AnchorCorner::TopRight,
1225 // vec![
1226 // ContextMenuItem::action("New File", NewFile),
1227 // ContextMenuItem::action("New Terminal", NewCenterTerminal),
1228 // ContextMenuItem::action("New Search", NewSearch),
1229 // ],
1230 // cx,
1231 // );
1232 // });
1233
1234 // self.tab_bar_context_menu.kind = TabBarContextMenuKind::New;
1235 // }
1236
1237 // fn deploy_tab_context_menu(
1238 // &mut self,
1239 // position: Vector2F,
1240 // target_item_id: usize,
1241 // cx: &mut ViewContext<Self>,
1242 // ) {
1243 // let active_item_id = self.items[self.active_item_index].id();
1244 // let is_active_item = target_item_id == active_item_id;
1245 // let target_pane = cx.weak_handle();
1246
1247 // // The `CloseInactiveItems` action should really be called "CloseOthers" and the behaviour should be dynamically based on the tab the action is ran on. Currently, this is a weird action because you can run it on a non-active tab and it will close everything by the actual active tab
1248
1249 // self.tab_context_menu.update(cx, |menu, cx| {
1250 // menu.show(
1251 // position,
1252 // AnchorCorner::TopLeft,
1253 // if is_active_item {
1254 // vec![
1255 // ContextMenuItem::action(
1256 // "Close Active Item",
1257 // CloseActiveItem { save_intent: None },
1258 // ),
1259 // ContextMenuItem::action("Close Inactive Items", CloseInactiveItems),
1260 // ContextMenuItem::action("Close Clean Items", CloseCleanItems),
1261 // ContextMenuItem::action("Close Items To The Left", CloseItemsToTheLeft),
1262 // ContextMenuItem::action("Close Items To The Right", CloseItemsToTheRight),
1263 // ContextMenuItem::action(
1264 // "Close All Items",
1265 // CloseAllItems { save_intent: None },
1266 // ),
1267 // ]
1268 // } else {
1269 // // In the case of the user right clicking on a non-active tab, for some item-closing commands, we need to provide the id of the tab, for the others, we can reuse the existing command.
1270 // vec![
1271 // ContextMenuItem::handler("Close Inactive Item", {
1272 // let pane = target_pane.clone();
1273 // move |cx| {
1274 // if let Some(pane) = pane.upgrade(cx) {
1275 // pane.update(cx, |pane, cx| {
1276 // pane.close_item_by_id(
1277 // target_item_id,
1278 // SaveIntent::Close,
1279 // cx,
1280 // )
1281 // .detach_and_log_err(cx);
1282 // })
1283 // }
1284 // }
1285 // }),
1286 // ContextMenuItem::action("Close Inactive Items", CloseInactiveItems),
1287 // ContextMenuItem::action("Close Clean Items", CloseCleanItems),
1288 // ContextMenuItem::handler("Close Items To The Left", {
1289 // let pane = target_pane.clone();
1290 // move |cx| {
1291 // if let Some(pane) = pane.upgrade(cx) {
1292 // pane.update(cx, |pane, cx| {
1293 // pane.close_items_to_the_left_by_id(target_item_id, cx)
1294 // .detach_and_log_err(cx);
1295 // })
1296 // }
1297 // }
1298 // }),
1299 // ContextMenuItem::handler("Close Items To The Right", {
1300 // let pane = target_pane.clone();
1301 // move |cx| {
1302 // if let Some(pane) = pane.upgrade(cx) {
1303 // pane.update(cx, |pane, cx| {
1304 // pane.close_items_to_the_right_by_id(target_item_id, cx)
1305 // .detach_and_log_err(cx);
1306 // })
1307 // }
1308 // }
1309 // }),
1310 // ContextMenuItem::action(
1311 // "Close All Items",
1312 // CloseAllItems { save_intent: None },
1313 // ),
1314 // ]
1315 // },
1316 // cx,
1317 // );
1318 // });
1319 // }
1320
1321 pub fn toolbar(&self) -> &View<Toolbar> {
1322 &self.toolbar
1323 }
1324
1325 pub fn handle_deleted_project_item(
1326 &mut self,
1327 entry_id: ProjectEntryId,
1328 cx: &mut ViewContext<Pane>,
1329 ) -> Option<()> {
1330 let (item_index_to_delete, item_id) = self.items().enumerate().find_map(|(i, item)| {
1331 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
1332 Some((i, item.id()))
1333 } else {
1334 None
1335 }
1336 })?;
1337
1338 self.remove_item(item_index_to_delete, false, cx);
1339 self.nav_history.remove_item(item_id);
1340
1341 Some(())
1342 }
1343
1344 fn update_toolbar(&mut self, cx: &mut ViewContext<Self>) {
1345 let active_item = self
1346 .items
1347 .get(self.active_item_index)
1348 .map(|item| item.as_ref());
1349 self.toolbar.update(cx, |toolbar, cx| {
1350 toolbar.set_active_item(active_item, cx);
1351 });
1352 }
1353
1354 fn render_tab(
1355 &self,
1356 ix: usize,
1357 item: &Box<dyn ItemHandle>,
1358 detail: usize,
1359 cx: &mut ViewContext<'_, Pane>,
1360 ) -> impl Component<Self> {
1361 let label = item.tab_content(Some(detail), cx);
1362 let close_icon = || IconElement::new(Icon::Close).color(IconColor::Muted);
1363
1364 let (tab_bg, tab_hover_bg, tab_active_bg) = match ix == self.active_item_index {
1365 false => (
1366 cx.theme().colors().tab_inactive_background,
1367 cx.theme().colors().ghost_element_hover,
1368 cx.theme().colors().ghost_element_active,
1369 ),
1370 true => (
1371 cx.theme().colors().tab_active_background,
1372 cx.theme().colors().element_hover,
1373 cx.theme().colors().element_active,
1374 ),
1375 };
1376
1377 let close_right = ItemSettings::get_global(cx).close_position.right();
1378
1379 div()
1380 .id(item.id())
1381 // .on_drag(move |pane, cx| pane.render_tab(ix, item.boxed_clone(), detail, cx))
1382 // .drag_over::<DraggedTab>(|d| d.bg(cx.theme().colors().element_drop_target))
1383 // .on_drop(|_view, state: View<DraggedTab>, cx| {
1384 // eprintln!("{:?}", state.read(cx));
1385 // })
1386 .px_2()
1387 .py_0p5()
1388 .flex()
1389 .items_center()
1390 .justify_center()
1391 .bg(tab_bg)
1392 .hover(|h| h.bg(tab_hover_bg))
1393 .active(|a| a.bg(tab_active_bg))
1394 .child(
1395 div()
1396 .px_1()
1397 .flex()
1398 .items_center()
1399 .gap_1p5()
1400 .children(if item.has_conflict(cx) {
1401 Some(
1402 IconElement::new(Icon::ExclamationTriangle)
1403 .size(ui::IconSize::Small)
1404 .color(IconColor::Warning),
1405 )
1406 } else if item.is_dirty(cx) {
1407 Some(
1408 IconElement::new(Icon::ExclamationTriangle)
1409 .size(ui::IconSize::Small)
1410 .color(IconColor::Info),
1411 )
1412 } else {
1413 None
1414 })
1415 .children(if !close_right {
1416 Some(close_icon())
1417 } else {
1418 None
1419 })
1420 .child(label)
1421 .children(if close_right {
1422 Some(close_icon())
1423 } else {
1424 None
1425 }),
1426 )
1427 }
1428
1429 fn render_tab_bar(&mut self, cx: &mut ViewContext<'_, Pane>) -> impl Component<Self> {
1430 div()
1431 .group("tab_bar")
1432 .id("tab_bar")
1433 .w_full()
1434 .flex()
1435 .bg(cx.theme().colors().tab_bar_background)
1436 // Left Side
1437 .child(
1438 div()
1439 .relative()
1440 .px_1()
1441 .flex()
1442 .flex_none()
1443 .gap_2()
1444 // Nav Buttons
1445 .child(
1446 div()
1447 .right_0()
1448 .flex()
1449 .items_center()
1450 .gap_px()
1451 .child(IconButton::new("navigate_backward", Icon::ArrowLeft).state(
1452 InteractionState::Enabled.if_enabled(self.can_navigate_backward()),
1453 ))
1454 .child(IconButton::new("navigate_forward", Icon::ArrowRight).state(
1455 InteractionState::Enabled.if_enabled(self.can_navigate_forward()),
1456 )),
1457 ),
1458 )
1459 .child(
1460 div().w_0().flex_1().h_full().child(
1461 div().id("tabs").flex().overflow_x_scroll().children(
1462 self.items
1463 .iter()
1464 .enumerate()
1465 .zip(self.tab_details(cx))
1466 .map(|((ix, item), detail)| self.render_tab(ix, item, detail, cx)),
1467 ),
1468 ),
1469 )
1470 // Right Side
1471 .child(
1472 div()
1473 // We only use absolute here since we don't
1474 // have opacity or `hidden()` yet
1475 .absolute()
1476 .neg_top_7()
1477 .px_1()
1478 .flex()
1479 .flex_none()
1480 .gap_2()
1481 .group_hover("tab_bar", |this| this.top_0())
1482 // Nav Buttons
1483 .child(
1484 div()
1485 .flex()
1486 .items_center()
1487 .gap_px()
1488 .child(IconButton::new("plus", Icon::Plus))
1489 .child(IconButton::new("split", Icon::Split)),
1490 ),
1491 )
1492 }
1493
1494 // fn render_tabs(&mut self, cx: &mut ViewContext<Self>) -> impl Element<Self> {
1495 // let theme = theme::current(cx).clone();
1496
1497 // let pane = cx.handle().downgrade();
1498 // let autoscroll = if mem::take(&mut self.autoscroll) {
1499 // Some(self.active_item_index)
1500 // } else {
1501 // None
1502 // };
1503
1504 // let pane_active = self.has_focus;
1505
1506 // enum Tabs {}
1507 // let mut row = Flex::row().scrollable::<Tabs>(1, autoscroll, cx);
1508 // for (ix, (item, detail)) in self
1509 // .items
1510 // .iter()
1511 // .cloned()
1512 // .zip(self.tab_details(cx))
1513 // .enumerate()
1514 // {
1515 // let git_status = item
1516 // .project_path(cx)
1517 // .and_then(|path| self.project.read(cx).entry_for_path(&path, cx))
1518 // .and_then(|entry| entry.git_status());
1519
1520 // let detail = if detail == 0 { None } else { Some(detail) };
1521 // let tab_active = ix == self.active_item_index;
1522
1523 // row.add_child({
1524 // enum TabDragReceiver {}
1525 // let mut receiver =
1526 // dragged_item_receiver::<TabDragReceiver, _, _>(self, ix, ix, true, None, cx, {
1527 // let item = item.clone();
1528 // let pane = pane.clone();
1529 // let detail = detail.clone();
1530
1531 // let theme = theme::current(cx).clone();
1532 // let mut tooltip_theme = theme.tooltip.clone();
1533 // tooltip_theme.max_text_width = None;
1534 // let tab_tooltip_text =
1535 // item.tab_tooltip_text(cx).map(|text| text.into_owned());
1536
1537 // let mut tab_style = theme
1538 // .workspace
1539 // .tab_bar
1540 // .tab_style(pane_active, tab_active)
1541 // .clone();
1542 // let should_show_status = settings::get::<ItemSettings>(cx).git_status;
1543 // if should_show_status && git_status != None {
1544 // tab_style.label.text.color = match git_status.unwrap() {
1545 // GitFileStatus::Added => tab_style.git.inserted,
1546 // GitFileStatus::Modified => tab_style.git.modified,
1547 // GitFileStatus::Conflict => tab_style.git.conflict,
1548 // };
1549 // }
1550
1551 // move |mouse_state, cx| {
1552 // let hovered = mouse_state.hovered();
1553
1554 // enum Tab {}
1555 // let mouse_event_handler =
1556 // MouseEventHandler::new::<Tab, _>(ix, cx, |_, cx| {
1557 // Self::render_tab(
1558 // &item,
1559 // pane.clone(),
1560 // ix == 0,
1561 // detail,
1562 // hovered,
1563 // &tab_style,
1564 // cx,
1565 // )
1566 // })
1567 // .on_down(MouseButton::Left, move |_, this, cx| {
1568 // this.activate_item(ix, true, true, cx);
1569 // })
1570 // .on_click(MouseButton::Middle, {
1571 // let item_id = item.id();
1572 // move |_, pane, cx| {
1573 // pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1574 // .detach_and_log_err(cx);
1575 // }
1576 // })
1577 // .on_down(
1578 // MouseButton::Right,
1579 // move |event, pane, cx| {
1580 // pane.deploy_tab_context_menu(event.position, item.id(), cx);
1581 // },
1582 // );
1583
1584 // if let Some(tab_tooltip_text) = tab_tooltip_text {
1585 // mouse_event_handler
1586 // .with_tooltip::<Self>(
1587 // ix,
1588 // tab_tooltip_text,
1589 // None,
1590 // tooltip_theme,
1591 // cx,
1592 // )
1593 // .into_any()
1594 // } else {
1595 // mouse_event_handler.into_any()
1596 // }
1597 // }
1598 // });
1599
1600 // if !pane_active || !tab_active {
1601 // receiver = receiver.with_cursor_style(CursorStyle::PointingHand);
1602 // }
1603
1604 // receiver.as_draggable(
1605 // DraggedItem {
1606 // handle: item,
1607 // pane: pane.clone(),
1608 // },
1609 // {
1610 // let theme = theme::current(cx).clone();
1611
1612 // let detail = detail.clone();
1613 // move |_, dragged_item: &DraggedItem, cx: &mut ViewContext<Workspace>| {
1614 // let tab_style = &theme.workspace.tab_bar.dragged_tab;
1615 // Self::render_dragged_tab(
1616 // &dragged_item.handle,
1617 // dragged_item.pane.clone(),
1618 // false,
1619 // detail,
1620 // false,
1621 // &tab_style,
1622 // cx,
1623 // )
1624 // }
1625 // },
1626 // )
1627 // })
1628 // }
1629
1630 // // Use the inactive tab style along with the current pane's active status to decide how to render
1631 // // the filler
1632 // let filler_index = self.items.len();
1633 // let filler_style = theme.workspace.tab_bar.tab_style(pane_active, false);
1634 // enum Filler {}
1635 // row.add_child(
1636 // dragged_item_receiver::<Filler, _, _>(self, 0, filler_index, true, None, cx, |_, _| {
1637 // Empty::new()
1638 // .contained()
1639 // .with_style(filler_style.container)
1640 // .with_border(filler_style.container.border)
1641 // })
1642 // .flex(1., true)
1643 // .into_any_named("filler"),
1644 // );
1645
1646 // row
1647 // }
1648
1649 fn tab_details(&self, cx: &AppContext) -> Vec<usize> {
1650 let mut tab_details = self.items.iter().map(|_| 0).collect::<Vec<_>>();
1651
1652 let mut tab_descriptions = HashMap::default();
1653 let mut done = false;
1654 while !done {
1655 done = true;
1656
1657 // Store item indices by their tab description.
1658 for (ix, (item, detail)) in self.items.iter().zip(&tab_details).enumerate() {
1659 if let Some(description) = item.tab_description(*detail, cx) {
1660 if *detail == 0
1661 || Some(&description) != item.tab_description(detail - 1, cx).as_ref()
1662 {
1663 tab_descriptions
1664 .entry(description)
1665 .or_insert(Vec::new())
1666 .push(ix);
1667 }
1668 }
1669 }
1670
1671 // If two or more items have the same tab description, increase eir level
1672 // of detail and try again.
1673 for (_, item_ixs) in tab_descriptions.drain() {
1674 if item_ixs.len() > 1 {
1675 done = false;
1676 for ix in item_ixs {
1677 tab_details[ix] += 1;
1678 }
1679 }
1680 }
1681 }
1682
1683 tab_details
1684 }
1685
1686 // fn render_tab(
1687 // item: &Box<dyn ItemHandle>,
1688 // pane: WeakView<Pane>,
1689 // first: bool,
1690 // detail: Option<usize>,
1691 // hovered: bool,
1692 // tab_style: &theme::Tab,
1693 // cx: &mut ViewContext<Self>,
1694 // ) -> AnyElement<Self> {
1695 // let title = item.tab_content(detail, &tab_style, cx);
1696 // Self::render_tab_with_title(title, item, pane, first, hovered, tab_style, cx)
1697 // }
1698
1699 // fn render_dragged_tab(
1700 // item: &Box<dyn ItemHandle>,
1701 // pane: WeakView<Pane>,
1702 // first: bool,
1703 // detail: Option<usize>,
1704 // hovered: bool,
1705 // tab_style: &theme::Tab,
1706 // cx: &mut ViewContext<Workspace>,
1707 // ) -> AnyElement<Workspace> {
1708 // let title = item.dragged_tab_content(detail, &tab_style, cx);
1709 // Self::render_tab_with_title(title, item, pane, first, hovered, tab_style, cx)
1710 // }
1711
1712 // fn render_tab_with_title<T: View>(
1713 // title: AnyElement<T>,
1714 // item: &Box<dyn ItemHandle>,
1715 // pane: WeakView<Pane>,
1716 // first: bool,
1717 // hovered: bool,
1718 // tab_style: &theme::Tab,
1719 // cx: &mut ViewContext<T>,
1720 // ) -> AnyElement<T> {
1721 // let mut container = tab_style.container.clone();
1722 // if first {
1723 // container.border.left = false;
1724 // }
1725
1726 // let buffer_jewel_element = {
1727 // let diameter = 7.0;
1728 // let icon_color = if item.has_conflict(cx) {
1729 // Some(tab_style.icon_conflict)
1730 // } else if item.is_dirty(cx) {
1731 // Some(tab_style.icon_dirty)
1732 // } else {
1733 // None
1734 // };
1735
1736 // Canvas::new(move |bounds, _, _, cx| {
1737 // if let Some(color) = icon_color {
1738 // let square = RectF::new(bounds.origin(), vec2f(diameter, diameter));
1739 // cx.scene().push_quad(Quad {
1740 // bounds: square,
1741 // background: Some(color),
1742 // border: Default::default(),
1743 // corner_radii: (diameter / 2.).into(),
1744 // });
1745 // }
1746 // })
1747 // .constrained()
1748 // .with_width(diameter)
1749 // .with_height(diameter)
1750 // .aligned()
1751 // };
1752
1753 // let title_element = title.aligned().contained().with_style(ContainerStyle {
1754 // margin: Margin {
1755 // left: tab_style.spacing,
1756 // right: tab_style.spacing,
1757 // ..Default::default()
1758 // },
1759 // ..Default::default()
1760 // });
1761
1762 // let close_element = if hovered {
1763 // let item_id = item.id();
1764 // enum TabCloseButton {}
1765 // let icon = Svg::new("icons/x.svg");
1766 // MouseEventHandler::new::<TabCloseButton, _>(item_id, cx, |mouse_state, _| {
1767 // if mouse_state.hovered() {
1768 // icon.with_color(tab_style.icon_close_active)
1769 // } else {
1770 // icon.with_color(tab_style.icon_close)
1771 // }
1772 // })
1773 // .with_padding(Padding::uniform(4.))
1774 // .with_cursor_style(CursorStyle::PointingHand)
1775 // .on_click(MouseButton::Left, {
1776 // let pane = pane.clone();
1777 // move |_, _, cx| {
1778 // let pane = pane.clone();
1779 // cx.window_context().defer(move |cx| {
1780 // if let Some(pane) = pane.upgrade(cx) {
1781 // pane.update(cx, |pane, cx| {
1782 // pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1783 // .detach_and_log_err(cx);
1784 // });
1785 // }
1786 // });
1787 // }
1788 // })
1789 // .into_any_named("close-tab-icon")
1790 // .constrained()
1791 // } else {
1792 // Empty::new().constrained()
1793 // }
1794 // .with_width(tab_style.close_icon_width)
1795 // .aligned();
1796
1797 // let close_right = settings::get::<ItemSettings>(cx).close_position.right();
1798
1799 // if close_right {
1800 // Flex::row()
1801 // .with_child(buffer_jewel_element)
1802 // .with_child(title_element)
1803 // .with_child(close_element)
1804 // } else {
1805 // Flex::row()
1806 // .with_child(close_element)
1807 // .with_child(title_element)
1808 // .with_child(buffer_jewel_element)
1809 // }
1810 // .contained()
1811 // .with_style(container)
1812 // .constrained()
1813 // .with_height(tab_style.height)
1814 // .into_any()
1815 // }
1816
1817 // pub fn render_tab_bar_button<
1818 // F1: 'static + Fn(&mut Pane, &mut EventContext<Pane>),
1819 // F2: 'static + Fn(&mut Pane, &mut EventContext<Pane>),
1820 // >(
1821 // index: usize,
1822 // icon: &'static str,
1823 // is_active: bool,
1824 // tooltip: Option<(&'static str, Option<Box<dyn Action>>)>,
1825 // cx: &mut ViewContext<Pane>,
1826 // on_click: F1,
1827 // on_down: F2,
1828 // context_menu: Option<ViewHandle<ContextMenu>>,
1829 // ) -> AnyElement<Pane> {
1830 // enum TabBarButton {}
1831
1832 // let mut button = MouseEventHandler::new::<TabBarButton, _>(index, cx, |mouse_state, cx| {
1833 // let theme = &settings2::get::<ThemeSettings>(cx).theme.workspace.tab_bar;
1834 // let style = theme.pane_button.in_state(is_active).style_for(mouse_state);
1835 // Svg::new(icon)
1836 // .with_color(style.color)
1837 // .constrained()
1838 // .with_width(style.icon_width)
1839 // .aligned()
1840 // .constrained()
1841 // .with_width(style.button_width)
1842 // .with_height(style.button_width)
1843 // })
1844 // .with_cursor_style(CursorStyle::PointingHand)
1845 // .on_down(MouseButton::Left, move |_, pane, cx| on_down(pane, cx))
1846 // .on_click(MouseButton::Left, move |_, pane, cx| on_click(pane, cx))
1847 // .into_any();
1848 // if let Some((tooltip, action)) = tooltip {
1849 // let tooltip_style = settings::get::<ThemeSettings>(cx).theme.tooltip.clone();
1850 // button = button
1851 // .with_tooltip::<TabBarButton>(index, tooltip, action, tooltip_style, cx)
1852 // .into_any();
1853 // }
1854
1855 // Stack::new()
1856 // .with_child(button)
1857 // .with_children(
1858 // context_menu.map(|menu| ChildView::new(&menu, cx).aligned().bottom().right()),
1859 // )
1860 // .flex(1., false)
1861 // .into_any_named("tab bar button")
1862 // }
1863
1864 // fn render_blank_pane(&self, theme: &Theme, _cx: &mut ViewContext<Self>) -> AnyElement<Self> {
1865 // let background = theme.workspace.background;
1866 // Empty::new()
1867 // .contained()
1868 // .with_background_color(background)
1869 // .into_any()
1870 // }
1871
1872 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
1873 self.zoomed = zoomed;
1874 cx.notify();
1875 }
1876
1877 pub fn is_zoomed(&self) -> bool {
1878 self.zoomed
1879 }
1880}
1881
1882// impl Entity for Pane {
1883// type Event = Event;
1884// }
1885
1886impl Render for Pane {
1887 type Element = Div<Self>;
1888
1889 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
1890 v_stack()
1891 .child(self.render_tab_bar(cx))
1892 .child(div() /* toolbar */)
1893 .child(if let Some(item) = self.active_item() {
1894 item.to_any().render()
1895 } else {
1896 // todo!()
1897 div().child("Empty Pane").render()
1898 })
1899
1900 // enum MouseNavigationHandler {}
1901
1902 // MouseEventHandler::new::<MouseNavigationHandler, _>(0, cx, |_, cx| {
1903 // let active_item_index = self.active_item_index;
1904
1905 // if let Some(active_item) = self.active_item() {
1906 // Flex::column()
1907 // .with_child({
1908 // let theme = theme::current(cx).clone();
1909
1910 // let mut stack = Stack::new();
1911
1912 // enum TabBarEventHandler {}
1913 // stack.add_child(
1914 // MouseEventHandler::new::<TabBarEventHandler, _>(0, cx, |_, _| {
1915 // Empty::new()
1916 // .contained()
1917 // .with_style(theme.workspace.tab_bar.container)
1918 // })
1919 // .on_down(
1920 // MouseButton::Left,
1921 // move |_, this, cx| {
1922 // this.activate_item(active_item_index, true, true, cx);
1923 // },
1924 // ),
1925 // );
1926 // let tooltip_style = theme.tooltip.clone();
1927 // let tab_bar_theme = theme.workspace.tab_bar.clone();
1928
1929 // let nav_button_height = tab_bar_theme.height;
1930 // let button_style = tab_bar_theme.nav_button;
1931 // let border_for_nav_buttons = tab_bar_theme
1932 // .tab_style(false, false)
1933 // .container
1934 // .border
1935 // .clone();
1936
1937 // let mut tab_row = Flex::row()
1938 // .with_child(nav_button(
1939 // "icons/arrow_left.svg",
1940 // button_style.clone(),
1941 // nav_button_height,
1942 // tooltip_style.clone(),
1943 // self.can_navigate_backward(),
1944 // {
1945 // move |pane, cx| {
1946 // if let Some(workspace) = pane.workspace.upgrade(cx) {
1947 // let pane = cx.weak_handle();
1948 // cx.window_context().defer(move |cx| {
1949 // workspace.update(cx, |workspace, cx| {
1950 // workspace
1951 // .go_back(pane, cx)
1952 // .detach_and_log_err(cx)
1953 // })
1954 // })
1955 // }
1956 // }
1957 // },
1958 // super::GoBack,
1959 // "Go Back",
1960 // cx,
1961 // ))
1962 // .with_child(
1963 // nav_button(
1964 // "icons/arrow_right.svg",
1965 // button_style.clone(),
1966 // nav_button_height,
1967 // tooltip_style,
1968 // self.can_navigate_forward(),
1969 // {
1970 // move |pane, cx| {
1971 // if let Some(workspace) = pane.workspace.upgrade(cx) {
1972 // let pane = cx.weak_handle();
1973 // cx.window_context().defer(move |cx| {
1974 // workspace.update(cx, |workspace, cx| {
1975 // workspace
1976 // .go_forward(pane, cx)
1977 // .detach_and_log_err(cx)
1978 // })
1979 // })
1980 // }
1981 // }
1982 // },
1983 // super::GoForward,
1984 // "Go Forward",
1985 // cx,
1986 // )
1987 // .contained()
1988 // .with_border(border_for_nav_buttons),
1989 // )
1990 // .with_child(self.render_tabs(cx).flex(1., true).into_any_named("tabs"));
1991
1992 // if self.has_focus {
1993 // let render_tab_bar_buttons = self.render_tab_bar_buttons.clone();
1994 // tab_row.add_child(
1995 // (render_tab_bar_buttons)(self, cx)
1996 // .contained()
1997 // .with_style(theme.workspace.tab_bar.pane_button_container)
1998 // .flex(1., false)
1999 // .into_any(),
2000 // )
2001 // }
2002
2003 // stack.add_child(tab_row);
2004 // stack
2005 // .constrained()
2006 // .with_height(theme.workspace.tab_bar.height)
2007 // .flex(1., false)
2008 // .into_any_named("tab bar")
2009 // })
2010 // .with_child({
2011 // enum PaneContentTabDropTarget {}
2012 // dragged_item_receiver::<PaneContentTabDropTarget, _, _>(
2013 // self,
2014 // 0,
2015 // self.active_item_index + 1,
2016 // !self.can_split,
2017 // if self.can_split { Some(100.) } else { None },
2018 // cx,
2019 // {
2020 // let toolbar = self.toolbar.clone();
2021 // let toolbar_hidden = toolbar.read(cx).hidden();
2022 // move |_, cx| {
2023 // Flex::column()
2024 // .with_children(
2025 // (!toolbar_hidden)
2026 // .then(|| ChildView::new(&toolbar, cx).expanded()),
2027 // )
2028 // .with_child(
2029 // ChildView::new(active_item.as_any(), cx).flex(1., true),
2030 // )
2031 // }
2032 // },
2033 // )
2034 // .flex(1., true)
2035 // })
2036 // .with_child(ChildView::new(&self.tab_context_menu, cx))
2037 // .into_any()
2038 // } else {
2039 // enum EmptyPane {}
2040 // let theme = theme::current(cx).clone();
2041
2042 // dragged_item_receiver::<EmptyPane, _, _>(self, 0, 0, false, None, cx, |_, cx| {
2043 // self.render_blank_pane(&theme, cx)
2044 // })
2045 // .on_down(MouseButton::Left, |_, _, cx| {
2046 // cx.focus_parent();
2047 // })
2048 // .into_any()
2049 // }
2050 // })
2051 // .on_down(
2052 // MouseButton::Navigate(NavigationDirection::Back),
2053 // move |_, pane, cx| {
2054 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2055 // let pane = cx.weak_handle();
2056 // cx.window_context().defer(move |cx| {
2057 // workspace.update(cx, |workspace, cx| {
2058 // workspace.go_back(pane, cx).detach_and_log_err(cx)
2059 // })
2060 // })
2061 // }
2062 // },
2063 // )
2064 // .on_down(MouseButton::Navigate(NavigationDirection::Forward), {
2065 // move |_, pane, cx| {
2066 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2067 // let pane = cx.weak_handle();
2068 // cx.window_context().defer(move |cx| {
2069 // workspace.update(cx, |workspace, cx| {
2070 // workspace.go_forward(pane, cx).detach_and_log_err(cx)
2071 // })
2072 // })
2073 // }
2074 // }
2075 // })
2076 // .into_any_named("pane")
2077 }
2078
2079 // fn focus_in(&mut self, focused: AnyViewHandle, cx: &mut ViewContext<Self>) {
2080 // if !self.has_focus {
2081 // self.has_focus = true;
2082 // cx.emit(Event::Focus);
2083 // cx.notify();
2084 // }
2085
2086 // self.toolbar.update(cx, |toolbar, cx| {
2087 // toolbar.focus_changed(true, cx);
2088 // });
2089
2090 // if let Some(active_item) = self.active_item() {
2091 // if cx.is_self_focused() {
2092 // // Pane was focused directly. We need to either focus a view inside the active item,
2093 // // or focus the active item itself
2094 // if let Some(weak_last_focused_view) =
2095 // self.last_focused_view_by_item.get(&active_item.id())
2096 // {
2097 // if let Some(last_focused_view) = weak_last_focused_view.upgrade(cx) {
2098 // cx.focus(&last_focused_view);
2099 // return;
2100 // } else {
2101 // self.last_focused_view_by_item.remove(&active_item.id());
2102 // }
2103 // }
2104
2105 // cx.focus(active_item.as_any());
2106 // } else if focused != self.tab_bar_context_menu.handle {
2107 // self.last_focused_view_by_item
2108 // .insert(active_item.id(), focused.downgrade());
2109 // }
2110 // }
2111 // }
2112
2113 // fn focus_out(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
2114 // self.has_focus = false;
2115 // self.toolbar.update(cx, |toolbar, cx| {
2116 // toolbar.focus_changed(false, cx);
2117 // });
2118 // cx.notify();
2119 // }
2120
2121 // fn update_keymap_context(&self, keymap: &mut KeymapContext, _: &AppContext) {
2122 // Self::reset_to_default_keymap_context(keymap);
2123 // }
2124}
2125
2126impl ItemNavHistory {
2127 pub fn push<D: 'static + Send + Any>(&mut self, data: Option<D>, cx: &mut WindowContext) {
2128 self.history.push(data, self.item.clone(), cx);
2129 }
2130
2131 pub fn pop_backward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2132 self.history.pop(NavigationMode::GoingBack, cx)
2133 }
2134
2135 pub fn pop_forward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2136 self.history.pop(NavigationMode::GoingForward, cx)
2137 }
2138}
2139
2140impl NavHistory {
2141 pub fn for_each_entry(
2142 &self,
2143 cx: &AppContext,
2144 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
2145 ) {
2146 let borrowed_history = self.0.lock();
2147 borrowed_history
2148 .forward_stack
2149 .iter()
2150 .chain(borrowed_history.backward_stack.iter())
2151 .chain(borrowed_history.closed_stack.iter())
2152 .for_each(|entry| {
2153 if let Some(project_and_abs_path) =
2154 borrowed_history.paths_by_item.get(&entry.item.id())
2155 {
2156 f(entry, project_and_abs_path.clone());
2157 } else if let Some(item) = entry.item.upgrade() {
2158 if let Some(path) = item.project_path(cx) {
2159 f(entry, (path, None));
2160 }
2161 }
2162 })
2163 }
2164
2165 pub fn set_mode(&mut self, mode: NavigationMode) {
2166 self.0.lock().mode = mode;
2167 }
2168
2169 pub fn mode(&self) -> NavigationMode {
2170 self.0.lock().mode
2171 }
2172
2173 pub fn disable(&mut self) {
2174 self.0.lock().mode = NavigationMode::Disabled;
2175 }
2176
2177 pub fn enable(&mut self) {
2178 self.0.lock().mode = NavigationMode::Normal;
2179 }
2180
2181 pub fn pop(&mut self, mode: NavigationMode, cx: &mut WindowContext) -> Option<NavigationEntry> {
2182 let mut state = self.0.lock();
2183 let entry = match mode {
2184 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
2185 return None
2186 }
2187 NavigationMode::GoingBack => &mut state.backward_stack,
2188 NavigationMode::GoingForward => &mut state.forward_stack,
2189 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
2190 }
2191 .pop_back();
2192 if entry.is_some() {
2193 state.did_update(cx);
2194 }
2195 entry
2196 }
2197
2198 pub fn push<D: 'static + Send + Any>(
2199 &mut self,
2200 data: Option<D>,
2201 item: Arc<dyn WeakItemHandle>,
2202 cx: &mut WindowContext,
2203 ) {
2204 let state = &mut *self.0.lock();
2205 match state.mode {
2206 NavigationMode::Disabled => {}
2207 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
2208 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2209 state.backward_stack.pop_front();
2210 }
2211 state.backward_stack.push_back(NavigationEntry {
2212 item,
2213 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2214 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2215 });
2216 state.forward_stack.clear();
2217 }
2218 NavigationMode::GoingBack => {
2219 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2220 state.forward_stack.pop_front();
2221 }
2222 state.forward_stack.push_back(NavigationEntry {
2223 item,
2224 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2225 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2226 });
2227 }
2228 NavigationMode::GoingForward => {
2229 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2230 state.backward_stack.pop_front();
2231 }
2232 state.backward_stack.push_back(NavigationEntry {
2233 item,
2234 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2235 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2236 });
2237 }
2238 NavigationMode::ClosingItem => {
2239 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2240 state.closed_stack.pop_front();
2241 }
2242 state.closed_stack.push_back(NavigationEntry {
2243 item,
2244 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2245 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2246 });
2247 }
2248 }
2249 state.did_update(cx);
2250 }
2251
2252 pub fn remove_item(&mut self, item_id: EntityId) {
2253 let mut state = self.0.lock();
2254 state.paths_by_item.remove(&item_id);
2255 state
2256 .backward_stack
2257 .retain(|entry| entry.item.id() != item_id);
2258 state
2259 .forward_stack
2260 .retain(|entry| entry.item.id() != item_id);
2261 state
2262 .closed_stack
2263 .retain(|entry| entry.item.id() != item_id);
2264 }
2265
2266 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
2267 self.0.lock().paths_by_item.get(&item_id).cloned()
2268 }
2269}
2270
2271impl NavHistoryState {
2272 pub fn did_update(&self, cx: &mut WindowContext) {
2273 if let Some(pane) = self.pane.upgrade() {
2274 cx.defer(move |cx| {
2275 pane.update(cx, |pane, cx| pane.history_updated(cx));
2276 });
2277 }
2278 }
2279}
2280
2281// pub struct PaneBackdrop<V> {
2282// child_view: usize,
2283// child: AnyElement<V>,
2284// }
2285
2286// impl<V> PaneBackdrop<V> {
2287// pub fn new(pane_item_view: usize, child: AnyElement<V>) -> Self {
2288// PaneBackdrop {
2289// child,
2290// child_view: pane_item_view,
2291// }
2292// }
2293// }
2294
2295// impl<V: 'static> Element<V> for PaneBackdrop<V> {
2296// type LayoutState = ();
2297
2298// type PaintState = ();
2299
2300// fn layout(
2301// &mut self,
2302// constraint: gpui::SizeConstraint,
2303// view: &mut V,
2304// cx: &mut ViewContext<V>,
2305// ) -> (Vector2F, Self::LayoutState) {
2306// let size = self.child.layout(constraint, view, cx);
2307// (size, ())
2308// }
2309
2310// fn paint(
2311// &mut self,
2312// bounds: RectF,
2313// visible_bounds: RectF,
2314// _: &mut Self::LayoutState,
2315// view: &mut V,
2316// cx: &mut ViewContext<V>,
2317// ) -> Self::PaintState {
2318// let background = theme::current(cx).editor.background;
2319
2320// let visible_bounds = bounds.intersection(visible_bounds).unwrap_or_default();
2321
2322// cx.scene().push_quad(gpui::Quad {
2323// bounds: RectF::new(bounds.origin(), bounds.size()),
2324// background: Some(background),
2325// ..Default::default()
2326// });
2327
2328// let child_view_id = self.child_view;
2329// cx.scene().push_mouse_region(
2330// MouseRegion::new::<Self>(child_view_id, 0, visible_bounds).on_down(
2331// gpui::platform::MouseButton::Left,
2332// move |_, _: &mut V, cx| {
2333// let window = cx.window();
2334// cx.app_context().focus(window, Some(child_view_id))
2335// },
2336// ),
2337// );
2338
2339// cx.scene().push_layer(Some(bounds));
2340// self.child.paint(bounds.origin(), visible_bounds, view, cx);
2341// cx.scene().pop_layer();
2342// }
2343
2344// fn rect_for_text_range(
2345// &self,
2346// range_utf16: std::ops::Range<usize>,
2347// _bounds: RectF,
2348// _visible_bounds: RectF,
2349// _layout: &Self::LayoutState,
2350// _paint: &Self::PaintState,
2351// view: &V,
2352// cx: &gpui::ViewContext<V>,
2353// ) -> Option<RectF> {
2354// self.child.rect_for_text_range(range_utf16, view, cx)
2355// }
2356
2357// fn debug(
2358// &self,
2359// _bounds: RectF,
2360// _layout: &Self::LayoutState,
2361// _paint: &Self::PaintState,
2362// view: &V,
2363// cx: &gpui::ViewContext<V>,
2364// ) -> serde_json::Value {
2365// gpui::json::json!({
2366// "type": "Pane Back Drop",
2367// "view": self.child_view,
2368// "child": self.child.debug(view, cx),
2369// })
2370// }
2371// }
2372
2373fn dirty_message_for(buffer_path: Option<ProjectPath>) -> String {
2374 let path = buffer_path
2375 .as_ref()
2376 .and_then(|p| p.path.to_str())
2377 .unwrap_or(&"This buffer");
2378 let path = truncate_and_remove_front(path, 80);
2379 format!("{path} contains unsaved edits. Do you want to save it?")
2380}
2381
2382// todo!("uncomment tests")
2383// #[cfg(test)]
2384// mod tests {
2385// use super::*;
2386// use crate::item::test::{TestItem, TestProjectItem};
2387// use gpui::TestAppContext;
2388// use project::FakeFs;
2389// use settings::SettingsStore;
2390
2391// #[gpui::test]
2392// async fn test_remove_active_empty(cx: &mut TestAppContext) {
2393// init_test(cx);
2394// let fs = FakeFs::new(cx.background());
2395
2396// let project = Project::test(fs, None, cx).await;
2397// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2398// let workspace = window.root(cx);
2399// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2400
2401// pane.update(cx, |pane, cx| {
2402// assert!(pane
2403// .close_active_item(&CloseActiveItem { save_intent: None }, cx)
2404// .is_none())
2405// });
2406// }
2407
2408// #[gpui::test]
2409// async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
2410// cx.foreground().forbid_parking();
2411// init_test(cx);
2412// let fs = FakeFs::new(cx.background());
2413
2414// let project = Project::test(fs, None, cx).await;
2415// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2416// let workspace = window.root(cx);
2417// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2418
2419// // 1. Add with a destination index
2420// // a. Add before the active item
2421// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2422// pane.update(cx, |pane, cx| {
2423// pane.add_item(
2424// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2425// false,
2426// false,
2427// Some(0),
2428// cx,
2429// );
2430// });
2431// assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2432
2433// // b. Add after the active item
2434// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2435// pane.update(cx, |pane, cx| {
2436// pane.add_item(
2437// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2438// false,
2439// false,
2440// Some(2),
2441// cx,
2442// );
2443// });
2444// assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2445
2446// // c. Add at the end of the item list (including off the length)
2447// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2448// pane.update(cx, |pane, cx| {
2449// pane.add_item(
2450// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2451// false,
2452// false,
2453// Some(5),
2454// cx,
2455// );
2456// });
2457// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2458
2459// // 2. Add without a destination index
2460// // a. Add with active item at the start of the item list
2461// set_labeled_items(&pane, ["A*", "B", "C"], cx);
2462// pane.update(cx, |pane, cx| {
2463// pane.add_item(
2464// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2465// false,
2466// false,
2467// None,
2468// cx,
2469// );
2470// });
2471// set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
2472
2473// // b. Add with active item at the end of the item list
2474// set_labeled_items(&pane, ["A", "B", "C*"], cx);
2475// pane.update(cx, |pane, cx| {
2476// pane.add_item(
2477// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2478// false,
2479// false,
2480// None,
2481// cx,
2482// );
2483// });
2484// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2485// }
2486
2487// #[gpui::test]
2488// async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
2489// cx.foreground().forbid_parking();
2490// init_test(cx);
2491// let fs = FakeFs::new(cx.background());
2492
2493// let project = Project::test(fs, None, cx).await;
2494// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2495// let workspace = window.root(cx);
2496// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2497
2498// // 1. Add with a destination index
2499// // 1a. Add before the active item
2500// let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2501// pane.update(cx, |pane, cx| {
2502// pane.add_item(d, false, false, Some(0), cx);
2503// });
2504// assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2505
2506// // 1b. Add after the active item
2507// let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2508// pane.update(cx, |pane, cx| {
2509// pane.add_item(d, false, false, Some(2), cx);
2510// });
2511// assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2512
2513// // 1c. Add at the end of the item list (including off the length)
2514// let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2515// pane.update(cx, |pane, cx| {
2516// pane.add_item(a, false, false, Some(5), cx);
2517// });
2518// assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2519
2520// // 1d. Add same item to active index
2521// let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2522// pane.update(cx, |pane, cx| {
2523// pane.add_item(b, false, false, Some(1), cx);
2524// });
2525// assert_item_labels(&pane, ["A", "B*", "C"], cx);
2526
2527// // 1e. Add item to index after same item in last position
2528// let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2529// pane.update(cx, |pane, cx| {
2530// pane.add_item(c, false, false, Some(2), cx);
2531// });
2532// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2533
2534// // 2. Add without a destination index
2535// // 2a. Add with active item at the start of the item list
2536// let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
2537// pane.update(cx, |pane, cx| {
2538// pane.add_item(d, false, false, None, cx);
2539// });
2540// assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
2541
2542// // 2b. Add with active item at the end of the item list
2543// let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
2544// pane.update(cx, |pane, cx| {
2545// pane.add_item(a, false, false, None, cx);
2546// });
2547// assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2548
2549// // 2c. Add active item to active item at end of list
2550// let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
2551// pane.update(cx, |pane, cx| {
2552// pane.add_item(c, false, false, None, cx);
2553// });
2554// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2555
2556// // 2d. Add active item to active item at start of list
2557// let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
2558// pane.update(cx, |pane, cx| {
2559// pane.add_item(a, false, false, None, cx);
2560// });
2561// assert_item_labels(&pane, ["A*", "B", "C"], cx);
2562// }
2563
2564// #[gpui::test]
2565// async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
2566// cx.foreground().forbid_parking();
2567// init_test(cx);
2568// let fs = FakeFs::new(cx.background());
2569
2570// let project = Project::test(fs, None, cx).await;
2571// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2572// let workspace = window.root(cx);
2573// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2574
2575// // singleton view
2576// pane.update(cx, |pane, cx| {
2577// let item = TestItem::new()
2578// .with_singleton(true)
2579// .with_label("buffer 1")
2580// .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)]);
2581
2582// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2583// });
2584// assert_item_labels(&pane, ["buffer 1*"], cx);
2585
2586// // new singleton view with the same project entry
2587// pane.update(cx, |pane, cx| {
2588// let item = TestItem::new()
2589// .with_singleton(true)
2590// .with_label("buffer 1")
2591// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2592
2593// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2594// });
2595// assert_item_labels(&pane, ["buffer 1*"], cx);
2596
2597// // new singleton view with different project entry
2598// pane.update(cx, |pane, cx| {
2599// let item = TestItem::new()
2600// .with_singleton(true)
2601// .with_label("buffer 2")
2602// .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)]);
2603// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2604// });
2605// assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
2606
2607// // new multibuffer view with the same project entry
2608// pane.update(cx, |pane, cx| {
2609// let item = TestItem::new()
2610// .with_singleton(false)
2611// .with_label("multibuffer 1")
2612// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2613
2614// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2615// });
2616// assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
2617
2618// // another multibuffer view with the same project entry
2619// pane.update(cx, |pane, cx| {
2620// let item = TestItem::new()
2621// .with_singleton(false)
2622// .with_label("multibuffer 1b")
2623// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2624
2625// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2626// });
2627// assert_item_labels(
2628// &pane,
2629// ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
2630// cx,
2631// );
2632// }
2633
2634// #[gpui::test]
2635// async fn test_remove_item_ordering(cx: &mut TestAppContext) {
2636// init_test(cx);
2637// let fs = FakeFs::new(cx.background());
2638
2639// let project = Project::test(fs, None, cx).await;
2640// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2641// let workspace = window.root(cx);
2642// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2643
2644// add_labeled_item(&pane, "A", false, cx);
2645// add_labeled_item(&pane, "B", false, cx);
2646// add_labeled_item(&pane, "C", false, cx);
2647// add_labeled_item(&pane, "D", false, cx);
2648// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2649
2650// pane.update(cx, |pane, cx| pane.activate_item(1, false, false, cx));
2651// add_labeled_item(&pane, "1", false, cx);
2652// assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
2653
2654// pane.update(cx, |pane, cx| {
2655// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2656// })
2657// .unwrap()
2658// .await
2659// .unwrap();
2660// assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
2661
2662// pane.update(cx, |pane, cx| pane.activate_item(3, false, false, cx));
2663// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2664
2665// pane.update(cx, |pane, cx| {
2666// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2667// })
2668// .unwrap()
2669// .await
2670// .unwrap();
2671// assert_item_labels(&pane, ["A", "B*", "C"], cx);
2672
2673// pane.update(cx, |pane, cx| {
2674// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2675// })
2676// .unwrap()
2677// .await
2678// .unwrap();
2679// assert_item_labels(&pane, ["A", "C*"], cx);
2680
2681// pane.update(cx, |pane, cx| {
2682// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2683// })
2684// .unwrap()
2685// .await
2686// .unwrap();
2687// assert_item_labels(&pane, ["A*"], cx);
2688// }
2689
2690// #[gpui::test]
2691// async fn test_close_inactive_items(cx: &mut TestAppContext) {
2692// init_test(cx);
2693// let fs = FakeFs::new(cx.background());
2694
2695// let project = Project::test(fs, None, cx).await;
2696// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2697// let workspace = window.root(cx);
2698// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2699
2700// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2701
2702// pane.update(cx, |pane, cx| {
2703// pane.close_inactive_items(&CloseInactiveItems, cx)
2704// })
2705// .unwrap()
2706// .await
2707// .unwrap();
2708// assert_item_labels(&pane, ["C*"], cx);
2709// }
2710
2711// #[gpui::test]
2712// async fn test_close_clean_items(cx: &mut TestAppContext) {
2713// init_test(cx);
2714// let fs = FakeFs::new(cx.background());
2715
2716// let project = Project::test(fs, None, cx).await;
2717// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2718// let workspace = window.root(cx);
2719// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2720
2721// add_labeled_item(&pane, "A", true, cx);
2722// add_labeled_item(&pane, "B", false, cx);
2723// add_labeled_item(&pane, "C", true, cx);
2724// add_labeled_item(&pane, "D", false, cx);
2725// add_labeled_item(&pane, "E", false, cx);
2726// assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
2727
2728// pane.update(cx, |pane, cx| pane.close_clean_items(&CloseCleanItems, cx))
2729// .unwrap()
2730// .await
2731// .unwrap();
2732// assert_item_labels(&pane, ["A^", "C*^"], cx);
2733// }
2734
2735// #[gpui::test]
2736// async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
2737// init_test(cx);
2738// let fs = FakeFs::new(cx.background());
2739
2740// let project = Project::test(fs, None, cx).await;
2741// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2742// let workspace = window.root(cx);
2743// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2744
2745// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2746
2747// pane.update(cx, |pane, cx| {
2748// pane.close_items_to_the_left(&CloseItemsToTheLeft, cx)
2749// })
2750// .unwrap()
2751// .await
2752// .unwrap();
2753// assert_item_labels(&pane, ["C*", "D", "E"], cx);
2754// }
2755
2756// #[gpui::test]
2757// async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
2758// init_test(cx);
2759// let fs = FakeFs::new(cx.background());
2760
2761// let project = Project::test(fs, None, cx).await;
2762// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2763// let workspace = window.root(cx);
2764// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2765
2766// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2767
2768// pane.update(cx, |pane, cx| {
2769// pane.close_items_to_the_right(&CloseItemsToTheRight, cx)
2770// })
2771// .unwrap()
2772// .await
2773// .unwrap();
2774// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2775// }
2776
2777// #[gpui::test]
2778// async fn test_close_all_items(cx: &mut TestAppContext) {
2779// init_test(cx);
2780// let fs = FakeFs::new(cx.background());
2781
2782// let project = Project::test(fs, None, cx).await;
2783// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2784// let workspace = window.root(cx);
2785// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2786
2787// add_labeled_item(&pane, "A", false, cx);
2788// add_labeled_item(&pane, "B", false, cx);
2789// add_labeled_item(&pane, "C", false, cx);
2790// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2791
2792// pane.update(cx, |pane, cx| {
2793// pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
2794// })
2795// .unwrap()
2796// .await
2797// .unwrap();
2798// assert_item_labels(&pane, [], cx);
2799
2800// add_labeled_item(&pane, "A", true, cx);
2801// add_labeled_item(&pane, "B", true, cx);
2802// add_labeled_item(&pane, "C", true, cx);
2803// assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
2804
2805// let save = pane
2806// .update(cx, |pane, cx| {
2807// pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
2808// })
2809// .unwrap();
2810
2811// cx.foreground().run_until_parked();
2812// window.simulate_prompt_answer(2, cx);
2813// save.await.unwrap();
2814// assert_item_labels(&pane, [], cx);
2815// }
2816
2817// fn init_test(cx: &mut TestAppContext) {
2818// cx.update(|cx| {
2819// cx.set_global(SettingsStore::test(cx));
2820// theme::init((), cx);
2821// crate::init_settings(cx);
2822// Project::init_settings(cx);
2823// });
2824// }
2825
2826// fn add_labeled_item(
2827// pane: &ViewHandle<Pane>,
2828// label: &str,
2829// is_dirty: bool,
2830// cx: &mut TestAppContext,
2831// ) -> Box<ViewHandle<TestItem>> {
2832// pane.update(cx, |pane, cx| {
2833// let labeled_item =
2834// Box::new(cx.add_view(|_| TestItem::new().with_label(label).with_dirty(is_dirty)));
2835// pane.add_item(labeled_item.clone(), false, false, None, cx);
2836// labeled_item
2837// })
2838// }
2839
2840// fn set_labeled_items<const COUNT: usize>(
2841// pane: &ViewHandle<Pane>,
2842// labels: [&str; COUNT],
2843// cx: &mut TestAppContext,
2844// ) -> [Box<ViewHandle<TestItem>>; COUNT] {
2845// pane.update(cx, |pane, cx| {
2846// pane.items.clear();
2847// let mut active_item_index = 0;
2848
2849// let mut index = 0;
2850// let items = labels.map(|mut label| {
2851// if label.ends_with("*") {
2852// label = label.trim_end_matches("*");
2853// active_item_index = index;
2854// }
2855
2856// let labeled_item = Box::new(cx.add_view(|_| TestItem::new().with_label(label)));
2857// pane.add_item(labeled_item.clone(), false, false, None, cx);
2858// index += 1;
2859// labeled_item
2860// });
2861
2862// pane.activate_item(active_item_index, false, false, cx);
2863
2864// items
2865// })
2866// }
2867
2868// // Assert the item label, with the active item label suffixed with a '*'
2869// fn assert_item_labels<const COUNT: usize>(
2870// pane: &ViewHandle<Pane>,
2871// expected_states: [&str; COUNT],
2872// cx: &mut TestAppContext,
2873// ) {
2874// pane.read_with(cx, |pane, cx| {
2875// let actual_states = pane
2876// .items
2877// .iter()
2878// .enumerate()
2879// .map(|(ix, item)| {
2880// let mut state = item
2881// .as_any()
2882// .downcast_ref::<TestItem>()
2883// .unwrap()
2884// .read(cx)
2885// .label
2886// .clone();
2887// if ix == pane.active_item_index {
2888// state.push('*');
2889// }
2890// if item.is_dirty(cx) {
2891// state.push('^');
2892// }
2893// state
2894// })
2895// .collect::<Vec<_>>();
2896
2897// assert_eq!(
2898// actual_states, expected_states,
2899// "pane items do not match expectation"
2900// );
2901// })
2902// }
2903// }
2904
2905#[derive(Clone, Debug)]
2906struct DraggedTab {
2907 title: String,
2908}
2909
2910impl Render for DraggedTab {
2911 type Element = Div<Self>;
2912
2913 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
2914 div().w_8().h_4().bg(gpui::red())
2915 }
2916}