1use crate::{
2 item::{Item, ItemHandle, ItemSettings, WeakItemHandle},
3 toolbar::Toolbar,
4 workspace_settings::{AutosaveSetting, WorkspaceSettings},
5 NewCenterTerminal, NewFile, NewSearch, SplitDirection, ToggleZoom, Workspace,
6};
7use anyhow::Result;
8use collections::{HashMap, HashSet, VecDeque};
9use gpui::{
10 actions, overlay, prelude::*, rems, Action, AnchorCorner, AnyWeakView, AppContext,
11 AsyncWindowContext, DismissEvent, Div, EntityId, EventEmitter, FocusHandle, Focusable,
12 FocusableView, Model, Pixels, Point, PromptLevel, Render, Task, View, ViewContext,
13 VisualContext, WeakView, WindowContext,
14};
15use parking_lot::Mutex;
16use project::{Project, ProjectEntryId, ProjectPath};
17use serde::Deserialize;
18use settings::Settings;
19use std::{
20 any::Any,
21 cmp, fmt, mem,
22 path::{Path, PathBuf},
23 sync::{
24 atomic::{AtomicUsize, Ordering},
25 Arc,
26 },
27};
28
29use ui::{
30 h_stack, prelude::*, right_click_menu, Color, Icon, IconButton, IconElement, Label, Tooltip,
31};
32use ui::{v_stack, ContextMenu};
33use util::truncate_and_remove_front;
34
35#[derive(PartialEq, Clone, Copy, Deserialize, Debug)]
36#[serde(rename_all = "camelCase")]
37pub enum SaveIntent {
38 /// write all files (even if unchanged)
39 /// prompt before overwriting on-disk changes
40 Save,
41 /// write any files that have local changes
42 /// prompt before overwriting on-disk changes
43 SaveAll,
44 /// always prompt for a new path
45 SaveAs,
46 /// prompt "you have unsaved changes" before writing
47 Close,
48 /// write all dirty files, don't prompt on conflict
49 Overwrite,
50 /// skip all save-related behavior
51 Skip,
52}
53
54//todo!("Do we need the default bound on actions? Decide soon")
55// #[register_action]
56#[derive(Action, Clone, Deserialize, PartialEq, Debug)]
57pub struct ActivateItem(pub usize);
58
59// #[derive(Clone, PartialEq)]
60// pub struct CloseItemById {
61// pub item_id: usize,
62// pub pane: WeakView<Pane>,
63// }
64
65// #[derive(Clone, PartialEq)]
66// pub struct CloseItemsToTheLeftById {
67// pub item_id: usize,
68// pub pane: WeakView<Pane>,
69// }
70
71// #[derive(Clone, PartialEq)]
72// pub struct CloseItemsToTheRightById {
73// pub item_id: usize,
74// pub pane: WeakView<Pane>,
75// }
76
77#[derive(Clone, PartialEq, Debug, Deserialize, Default, Action)]
78#[serde(rename_all = "camelCase")]
79pub struct CloseActiveItem {
80 pub save_intent: Option<SaveIntent>,
81}
82
83#[derive(Clone, PartialEq, Debug, Deserialize, Default, Action)]
84#[serde(rename_all = "camelCase")]
85pub struct CloseAllItems {
86 pub save_intent: Option<SaveIntent>,
87}
88
89// todo!(These used to be under pane::{Action}. Are they now workspace::pane::{Action}?)
90actions!(
91 ActivatePrevItem,
92 ActivateNextItem,
93 ActivateLastItem,
94 CloseInactiveItems,
95 CloseCleanItems,
96 CloseItemsToTheLeft,
97 CloseItemsToTheRight,
98 GoBack,
99 GoForward,
100 ReopenClosedItem,
101 SplitLeft,
102 SplitUp,
103 SplitRight,
104 SplitDown,
105);
106
107const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
108
109pub enum Event {
110 AddItem { item: Box<dyn ItemHandle> },
111 ActivateItem { local: bool },
112 Remove,
113 RemoveItem { item_id: EntityId },
114 Split(SplitDirection),
115 ChangeItemTitle,
116 Focus,
117 ZoomIn,
118 ZoomOut,
119}
120
121impl fmt::Debug for Event {
122 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
123 match self {
124 Event::AddItem { item } => f
125 .debug_struct("AddItem")
126 .field("item", &item.item_id())
127 .finish(),
128 Event::ActivateItem { local } => f
129 .debug_struct("ActivateItem")
130 .field("local", local)
131 .finish(),
132 Event::Remove => f.write_str("Remove"),
133 Event::RemoveItem { item_id } => f
134 .debug_struct("RemoveItem")
135 .field("item_id", item_id)
136 .finish(),
137 Event::Split(direction) => f
138 .debug_struct("Split")
139 .field("direction", direction)
140 .finish(),
141 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
142 Event::Focus => f.write_str("Focus"),
143 Event::ZoomIn => f.write_str("ZoomIn"),
144 Event::ZoomOut => f.write_str("ZoomOut"),
145 }
146 }
147}
148
149struct FocusedView {
150 view: AnyWeakView,
151 focus_handle: FocusHandle,
152}
153
154pub struct Pane {
155 focus_handle: FocusHandle,
156 items: Vec<Box<dyn ItemHandle>>,
157 activation_history: Vec<EntityId>,
158 zoomed: bool,
159 active_item_index: usize,
160 last_focused_view_by_item: HashMap<EntityId, FocusHandle>,
161 autoscroll: bool,
162 nav_history: NavHistory,
163 toolbar: View<Toolbar>,
164 tab_bar_focus_handle: FocusHandle,
165 new_item_menu: Option<View<ContextMenu>>,
166 split_item_menu: Option<View<ContextMenu>>,
167 // tab_context_menu: ViewHandle<ContextMenu>,
168 workspace: WeakView<Workspace>,
169 project: Model<Project>,
170 // can_drop: Rc<dyn Fn(&DragAndDrop<Workspace>, &WindowContext) -> bool>,
171 can_split: bool,
172 // render_tab_bar_buttons: Rc<dyn Fn(&mut Pane, &mut ViewContext<Pane>) -> AnyElement<Pane>>,
173}
174
175pub struct ItemNavHistory {
176 history: NavHistory,
177 item: Arc<dyn WeakItemHandle>,
178}
179
180#[derive(Clone)]
181pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
182
183struct NavHistoryState {
184 mode: NavigationMode,
185 backward_stack: VecDeque<NavigationEntry>,
186 forward_stack: VecDeque<NavigationEntry>,
187 closed_stack: VecDeque<NavigationEntry>,
188 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
189 pane: WeakView<Pane>,
190 next_timestamp: Arc<AtomicUsize>,
191}
192
193#[derive(Copy, Clone)]
194pub enum NavigationMode {
195 Normal,
196 GoingBack,
197 GoingForward,
198 ClosingItem,
199 ReopeningClosedItem,
200 Disabled,
201}
202
203impl Default for NavigationMode {
204 fn default() -> Self {
205 Self::Normal
206 }
207}
208
209pub struct NavigationEntry {
210 pub item: Arc<dyn WeakItemHandle>,
211 pub data: Option<Box<dyn Any + Send>>,
212 pub timestamp: usize,
213}
214
215// pub struct DraggedItem {
216// pub handle: Box<dyn ItemHandle>,
217// pub pane: WeakView<Pane>,
218// }
219
220// pub enum ReorderBehavior {
221// None,
222// MoveAfterActive,
223// MoveToIndex(usize),
224// }
225
226// #[derive(Debug, Clone, Copy, PartialEq, Eq)]
227// enum TabBarContextMenuKind {
228// New,
229// Split,
230// }
231
232// struct TabBarContextMenu {
233// kind: TabBarContextMenuKind,
234// handle: ViewHandle<ContextMenu>,
235// }
236
237// impl TabBarContextMenu {
238// fn handle_if_kind(&self, kind: TabBarContextMenuKind) -> Option<ViewHandle<ContextMenu>> {
239// if self.kind == kind {
240// return Some(self.handle.clone());
241// }
242// None
243// }
244// }
245
246// #[allow(clippy::too_many_arguments)]
247// fn nav_button<A: Action, F: 'static + Fn(&mut Pane, &mut ViewContext<Pane>)>(
248// svg_path: &'static str,
249// style: theme2::Interactive<theme2::IconButton>,
250// nav_button_height: f32,
251// tooltip_style: TooltipStyle,
252// enabled: bool,
253// on_click: F,
254// tooltip_action: A,
255// action_name: &str,
256// cx: &mut ViewContext<Pane>,
257// ) -> AnyElement<Pane> {
258// MouseEventHandler::new::<A, _>(0, cx, |state, _| {
259// let style = if enabled {
260// style.style_for(state)
261// } else {
262// style.disabled_style()
263// };
264// Svg::new(svg_path)
265// .with_color(style.color)
266// .constrained()
267// .with_width(style.icon_width)
268// .aligned()
269// .contained()
270// .with_style(style.container)
271// .constrained()
272// .with_width(style.button_width)
273// .with_height(nav_button_height)
274// .aligned()
275// .top()
276// })
277// .with_cursor_style(if enabled {
278// CursorStyle::PointingHand
279// } else {
280// CursorStyle::default()
281// })
282// .on_click(MouseButton::Left, move |_, toolbar, cx| {
283// on_click(toolbar, cx)
284// })
285// .with_tooltip::<A>(
286// 0,
287// action_name.to_string(),
288// Some(Box::new(tooltip_action)),
289// tooltip_style,
290// cx,
291// )
292// .contained()
293// .into_any_named("nav button")
294// }
295
296impl EventEmitter<Event> for Pane {}
297
298impl Pane {
299 pub fn new(
300 workspace: WeakView<Workspace>,
301 project: Model<Project>,
302 next_timestamp: Arc<AtomicUsize>,
303 cx: &mut ViewContext<Self>,
304 ) -> Self {
305 // todo!("context menu")
306 // let pane_view_id = cx.view_id();
307 // let context_menu = cx.add_view(|cx| ContextMenu::new(pane_view_id, cx));
308 // context_menu.update(cx, |menu, _| {
309 // menu.set_position_mode(OverlayPositionMode::Local)
310 // });
311
312 let handle = cx.view().downgrade();
313 Self {
314 focus_handle: cx.focus_handle(),
315 items: Vec::new(),
316 activation_history: Vec::new(),
317 zoomed: false,
318 active_item_index: 0,
319 last_focused_view_by_item: Default::default(),
320 autoscroll: false,
321 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
322 mode: NavigationMode::Normal,
323 backward_stack: Default::default(),
324 forward_stack: Default::default(),
325 closed_stack: Default::default(),
326 paths_by_item: Default::default(),
327 pane: handle.clone(),
328 next_timestamp,
329 }))),
330 toolbar: cx.build_view(|_| Toolbar::new()),
331 tab_bar_focus_handle: cx.focus_handle(),
332 new_item_menu: None,
333 split_item_menu: None,
334 // tab_bar_context_menu: TabBarContextMenu {
335 // kind: TabBarContextMenuKind::New,
336 // handle: context_menu,
337 // },
338 // tab_context_menu: cx.add_view(|cx| ContextMenu::new(pane_view_id, cx)),
339 workspace,
340 project,
341 // can_drop: Rc::new(|_, _| true),
342 can_split: true,
343 // render_tab_bar_buttons: Rc::new(move |pane, cx| {
344 // Flex::row()
345 // // New menu
346 // .with_child(Self::render_tab_bar_button(
347 // 0,
348 // "icons/plus.svg",
349 // false,
350 // Some(("New...".into(), None)),
351 // cx,
352 // |pane, cx| pane.deploy_new_menu(cx),
353 // |pane, cx| {
354 // pane.tab_bar_context_menu
355 // .handle
356 // .update(cx, |menu, _| menu.delay_cancel())
357 // },
358 // pane.tab_bar_context_menu
359 // .handle_if_kind(TabBarContextMenuKind::New),
360 // ))
361 // .with_child(Self::render_tab_bar_button(
362 // 1,
363 // "icons/split.svg",
364 // false,
365 // Some(("Split Pane".into(), None)),
366 // cx,
367 // |pane, cx| pane.deploy_split_menu(cx),
368 // |pane, cx| {
369 // pane.tab_bar_context_menu
370 // .handle
371 // .update(cx, |menu, _| menu.delay_cancel())
372 // },
373 // pane.tab_bar_context_menu
374 // .handle_if_kind(TabBarContextMenuKind::Split),
375 // ))
376 // .with_child({
377 // let icon_path;
378 // let tooltip_label;
379 // if pane.is_zoomed() {
380 // icon_path = "icons/minimize.svg";
381 // tooltip_label = "Zoom In";
382 // } else {
383 // icon_path = "icons/maximize.svg";
384 // tooltip_label = "Zoom In";
385 // }
386
387 // Pane::render_tab_bar_button(
388 // 2,
389 // icon_path,
390 // pane.is_zoomed(),
391 // Some((tooltip_label, Some(Box::new(ToggleZoom)))),
392 // cx,
393 // move |pane, cx| pane.toggle_zoom(&Default::default(), cx),
394 // move |_, _| {},
395 // None,
396 // )
397 // })
398 // .into_any()
399 // }),
400 }
401 }
402
403 pub(crate) fn workspace(&self) -> &WeakView<Workspace> {
404 &self.workspace
405 }
406
407 pub fn has_focus(&self, cx: &WindowContext) -> bool {
408 // todo!(); // inline this manually
409 self.focus_handle.contains_focused(cx)
410 }
411
412 fn focus_in(&mut self, cx: &mut ViewContext<Self>) {
413 if !self.has_focus(cx) {
414 cx.emit(Event::Focus);
415 cx.notify();
416 }
417
418 self.toolbar.update(cx, |toolbar, cx| {
419 toolbar.focus_changed(true, cx);
420 });
421
422 if let Some(active_item) = self.active_item() {
423 if self.focus_handle.is_focused(cx) {
424 // Pane was focused directly. We need to either focus a view inside the active item,
425 // or focus the active item itself
426 if let Some(weak_last_focused_view) =
427 self.last_focused_view_by_item.get(&active_item.item_id())
428 {
429 weak_last_focused_view.focus(cx);
430 return;
431 }
432
433 active_item.focus_handle(cx).focus(cx);
434 } else if !self.tab_bar_focus_handle.contains_focused(cx) {
435 if let Some(focused) = cx.focused() {
436 self.last_focused_view_by_item
437 .insert(active_item.item_id(), focused);
438 }
439 }
440 }
441 }
442
443 fn focus_out(&mut self, cx: &mut ViewContext<Self>) {
444 self.toolbar.update(cx, |toolbar, cx| {
445 toolbar.focus_changed(false, cx);
446 });
447 cx.notify();
448 }
449
450 pub fn active_item_index(&self) -> usize {
451 self.active_item_index
452 }
453
454 // pub fn on_can_drop<F>(&mut self, can_drop: F)
455 // where
456 // F: 'static + Fn(&DragAndDrop<Workspace>, &WindowContext) -> bool,
457 // {
458 // self.can_drop = Rc::new(can_drop);
459 // }
460
461 pub fn set_can_split(&mut self, can_split: bool, cx: &mut ViewContext<Self>) {
462 self.can_split = can_split;
463 cx.notify();
464 }
465
466 pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut ViewContext<Self>) {
467 self.toolbar.update(cx, |toolbar, cx| {
468 toolbar.set_can_navigate(can_navigate, cx);
469 });
470 cx.notify();
471 }
472
473 // pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut ViewContext<Self>, render: F)
474 // where
475 // F: 'static + Fn(&mut Pane, &mut ViewContext<Pane>) -> AnyElement<Pane>,
476 // {
477 // self.render_tab_bar_buttons = Rc::new(render);
478 // cx.notify();
479 // }
480
481 pub fn nav_history_for_item<T: Item>(&self, item: &View<T>) -> ItemNavHistory {
482 ItemNavHistory {
483 history: self.nav_history.clone(),
484 item: Arc::new(item.downgrade()),
485 }
486 }
487
488 pub fn nav_history(&self) -> &NavHistory {
489 &self.nav_history
490 }
491
492 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
493 &mut self.nav_history
494 }
495
496 pub fn disable_history(&mut self) {
497 self.nav_history.disable();
498 }
499
500 pub fn enable_history(&mut self) {
501 self.nav_history.enable();
502 }
503
504 pub fn can_navigate_backward(&self) -> bool {
505 !self.nav_history.0.lock().backward_stack.is_empty()
506 }
507
508 pub fn can_navigate_forward(&self) -> bool {
509 !self.nav_history.0.lock().forward_stack.is_empty()
510 }
511
512 fn navigate_backward(&mut self, cx: &mut ViewContext<Self>) {
513 if let Some(workspace) = self.workspace.upgrade() {
514 let pane = cx.view().downgrade();
515 cx.window_context().defer(move |cx| {
516 workspace.update(cx, |workspace, cx| {
517 workspace.go_back(pane, cx).detach_and_log_err(cx)
518 })
519 })
520 }
521 }
522
523 fn navigate_forward(&mut self, cx: &mut ViewContext<Self>) {
524 if let Some(workspace) = self.workspace.upgrade() {
525 let pane = cx.view().downgrade();
526 cx.window_context().defer(move |cx| {
527 workspace.update(cx, |workspace, cx| {
528 workspace.go_forward(pane, cx).detach_and_log_err(cx)
529 })
530 })
531 }
532 }
533
534 fn history_updated(&mut self, cx: &mut ViewContext<Self>) {
535 self.toolbar.update(cx, |_, cx| cx.notify());
536 }
537
538 pub(crate) fn open_item(
539 &mut self,
540 project_entry_id: ProjectEntryId,
541 focus_item: bool,
542 cx: &mut ViewContext<Self>,
543 build_item: impl FnOnce(&mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
544 ) -> Box<dyn ItemHandle> {
545 let mut existing_item = None;
546 for (index, item) in self.items.iter().enumerate() {
547 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [project_entry_id]
548 {
549 let item = item.boxed_clone();
550 existing_item = Some((index, item));
551 break;
552 }
553 }
554
555 if let Some((index, existing_item)) = existing_item {
556 self.activate_item(index, focus_item, focus_item, cx);
557 existing_item
558 } else {
559 let new_item = build_item(cx);
560 self.add_item(new_item.clone(), true, focus_item, None, cx);
561 new_item
562 }
563 }
564
565 pub fn add_item(
566 &mut self,
567 item: Box<dyn ItemHandle>,
568 activate_pane: bool,
569 focus_item: bool,
570 destination_index: Option<usize>,
571 cx: &mut ViewContext<Self>,
572 ) {
573 if item.is_singleton(cx) {
574 if let Some(&entry_id) = item.project_entry_ids(cx).get(0) {
575 let project = self.project.read(cx);
576 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
577 let abs_path = project.absolute_path(&project_path, cx);
578 self.nav_history
579 .0
580 .lock()
581 .paths_by_item
582 .insert(item.item_id(), (project_path, abs_path));
583 }
584 }
585 }
586 // If no destination index is specified, add or move the item after the active item.
587 let mut insertion_index = {
588 cmp::min(
589 if let Some(destination_index) = destination_index {
590 destination_index
591 } else {
592 self.active_item_index + 1
593 },
594 self.items.len(),
595 )
596 };
597
598 // Does the item already exist?
599 let project_entry_id = if item.is_singleton(cx) {
600 item.project_entry_ids(cx).get(0).copied()
601 } else {
602 None
603 };
604
605 let existing_item_index = self.items.iter().position(|existing_item| {
606 if existing_item.item_id() == item.item_id() {
607 true
608 } else if existing_item.is_singleton(cx) {
609 existing_item
610 .project_entry_ids(cx)
611 .get(0)
612 .map_or(false, |existing_entry_id| {
613 Some(existing_entry_id) == project_entry_id.as_ref()
614 })
615 } else {
616 false
617 }
618 });
619
620 if let Some(existing_item_index) = existing_item_index {
621 // If the item already exists, move it to the desired destination and activate it
622
623 if existing_item_index != insertion_index {
624 let existing_item_is_active = existing_item_index == self.active_item_index;
625
626 // If the caller didn't specify a destination and the added item is already
627 // the active one, don't move it
628 if existing_item_is_active && destination_index.is_none() {
629 insertion_index = existing_item_index;
630 } else {
631 self.items.remove(existing_item_index);
632 if existing_item_index < self.active_item_index {
633 self.active_item_index -= 1;
634 }
635 insertion_index = insertion_index.min(self.items.len());
636
637 self.items.insert(insertion_index, item.clone());
638
639 if existing_item_is_active {
640 self.active_item_index = insertion_index;
641 } else if insertion_index <= self.active_item_index {
642 self.active_item_index += 1;
643 }
644 }
645
646 cx.notify();
647 }
648
649 self.activate_item(insertion_index, activate_pane, focus_item, cx);
650 } else {
651 self.items.insert(insertion_index, item.clone());
652 if insertion_index <= self.active_item_index {
653 self.active_item_index += 1;
654 }
655
656 self.activate_item(insertion_index, activate_pane, focus_item, cx);
657 cx.notify();
658 }
659
660 cx.emit(Event::AddItem { item });
661 }
662
663 pub fn items_len(&self) -> usize {
664 self.items.len()
665 }
666
667 pub fn items(&self) -> impl Iterator<Item = &Box<dyn ItemHandle>> + DoubleEndedIterator {
668 self.items.iter()
669 }
670
671 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = View<T>> {
672 self.items
673 .iter()
674 .filter_map(|item| item.to_any().downcast().ok())
675 }
676
677 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
678 self.items.get(self.active_item_index).cloned()
679 }
680
681 pub fn pixel_position_of_cursor(&self, cx: &AppContext) -> Option<Point<Pixels>> {
682 self.items
683 .get(self.active_item_index)?
684 .pixel_position_of_cursor(cx)
685 }
686
687 pub fn item_for_entry(
688 &self,
689 entry_id: ProjectEntryId,
690 cx: &AppContext,
691 ) -> Option<Box<dyn ItemHandle>> {
692 self.items.iter().find_map(|item| {
693 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
694 Some(item.boxed_clone())
695 } else {
696 None
697 }
698 })
699 }
700
701 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
702 self.items
703 .iter()
704 .position(|i| i.item_id() == item.item_id())
705 }
706
707 pub fn toggle_zoom(&mut self, _: &ToggleZoom, cx: &mut ViewContext<Self>) {
708 if self.zoomed {
709 cx.emit(Event::ZoomOut);
710 } else if !self.items.is_empty() {
711 if !self.focus_handle.contains_focused(cx) {
712 cx.focus_self();
713 }
714 cx.emit(Event::ZoomIn);
715 }
716 }
717
718 pub fn activate_item(
719 &mut self,
720 index: usize,
721 activate_pane: bool,
722 focus_item: bool,
723 cx: &mut ViewContext<Self>,
724 ) {
725 use NavigationMode::{GoingBack, GoingForward};
726
727 if index < self.items.len() {
728 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
729 if prev_active_item_ix != self.active_item_index
730 || matches!(self.nav_history.mode(), GoingBack | GoingForward)
731 {
732 if let Some(prev_item) = self.items.get(prev_active_item_ix) {
733 prev_item.deactivated(cx);
734 }
735
736 cx.emit(Event::ActivateItem {
737 local: activate_pane,
738 });
739 }
740
741 if let Some(newly_active_item) = self.items.get(index) {
742 self.activation_history
743 .retain(|&previously_active_item_id| {
744 previously_active_item_id != newly_active_item.item_id()
745 });
746 self.activation_history.push(newly_active_item.item_id());
747 }
748
749 self.update_toolbar(cx);
750
751 if focus_item {
752 self.focus_active_item(cx);
753 }
754
755 self.autoscroll = true;
756 cx.notify();
757 }
758 }
759
760 pub fn activate_prev_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
761 let mut index = self.active_item_index;
762 if index > 0 {
763 index -= 1;
764 } else if !self.items.is_empty() {
765 index = self.items.len() - 1;
766 }
767 self.activate_item(index, activate_pane, activate_pane, cx);
768 }
769
770 pub fn activate_next_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
771 let mut index = self.active_item_index;
772 if index + 1 < self.items.len() {
773 index += 1;
774 } else {
775 index = 0;
776 }
777 self.activate_item(index, activate_pane, activate_pane, cx);
778 }
779
780 pub fn close_active_item(
781 &mut self,
782 action: &CloseActiveItem,
783 cx: &mut ViewContext<Self>,
784 ) -> Option<Task<Result<()>>> {
785 if self.items.is_empty() {
786 return None;
787 }
788 let active_item_id = self.items[self.active_item_index].item_id();
789 Some(self.close_item_by_id(
790 active_item_id,
791 action.save_intent.unwrap_or(SaveIntent::Close),
792 cx,
793 ))
794 }
795
796 pub fn close_item_by_id(
797 &mut self,
798 item_id_to_close: EntityId,
799 save_intent: SaveIntent,
800 cx: &mut ViewContext<Self>,
801 ) -> Task<Result<()>> {
802 self.close_items(cx, save_intent, move |view_id| view_id == item_id_to_close)
803 }
804
805 pub fn close_inactive_items(
806 &mut self,
807 _: &CloseInactiveItems,
808 cx: &mut ViewContext<Self>,
809 ) -> Option<Task<Result<()>>> {
810 if self.items.is_empty() {
811 return None;
812 }
813
814 let active_item_id = self.items[self.active_item_index].item_id();
815 Some(self.close_items(cx, SaveIntent::Close, move |item_id| {
816 item_id != active_item_id
817 }))
818 }
819
820 pub fn close_clean_items(
821 &mut self,
822 _: &CloseCleanItems,
823 cx: &mut ViewContext<Self>,
824 ) -> Option<Task<Result<()>>> {
825 let item_ids: Vec<_> = self
826 .items()
827 .filter(|item| !item.is_dirty(cx))
828 .map(|item| item.item_id())
829 .collect();
830 Some(self.close_items(cx, SaveIntent::Close, move |item_id| {
831 item_ids.contains(&item_id)
832 }))
833 }
834
835 pub fn close_items_to_the_left(
836 &mut self,
837 _: &CloseItemsToTheLeft,
838 cx: &mut ViewContext<Self>,
839 ) -> Option<Task<Result<()>>> {
840 if self.items.is_empty() {
841 return None;
842 }
843 let active_item_id = self.items[self.active_item_index].item_id();
844 Some(self.close_items_to_the_left_by_id(active_item_id, cx))
845 }
846
847 pub fn close_items_to_the_left_by_id(
848 &mut self,
849 item_id: EntityId,
850 cx: &mut ViewContext<Self>,
851 ) -> Task<Result<()>> {
852 let item_ids: Vec<_> = self
853 .items()
854 .take_while(|item| item.item_id() != item_id)
855 .map(|item| item.item_id())
856 .collect();
857 self.close_items(cx, SaveIntent::Close, move |item_id| {
858 item_ids.contains(&item_id)
859 })
860 }
861
862 pub fn close_items_to_the_right(
863 &mut self,
864 _: &CloseItemsToTheRight,
865 cx: &mut ViewContext<Self>,
866 ) -> Option<Task<Result<()>>> {
867 if self.items.is_empty() {
868 return None;
869 }
870 let active_item_id = self.items[self.active_item_index].item_id();
871 Some(self.close_items_to_the_right_by_id(active_item_id, cx))
872 }
873
874 pub fn close_items_to_the_right_by_id(
875 &mut self,
876 item_id: EntityId,
877 cx: &mut ViewContext<Self>,
878 ) -> Task<Result<()>> {
879 let item_ids: Vec<_> = self
880 .items()
881 .rev()
882 .take_while(|item| item.item_id() != item_id)
883 .map(|item| item.item_id())
884 .collect();
885 self.close_items(cx, SaveIntent::Close, move |item_id| {
886 item_ids.contains(&item_id)
887 })
888 }
889
890 pub fn close_all_items(
891 &mut self,
892 action: &CloseAllItems,
893 cx: &mut ViewContext<Self>,
894 ) -> Option<Task<Result<()>>> {
895 if self.items.is_empty() {
896 return None;
897 }
898
899 Some(
900 self.close_items(cx, action.save_intent.unwrap_or(SaveIntent::Close), |_| {
901 true
902 }),
903 )
904 }
905
906 pub(super) fn file_names_for_prompt(
907 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
908 all_dirty_items: usize,
909 cx: &AppContext,
910 ) -> String {
911 /// Quantity of item paths displayed in prompt prior to cutoff..
912 const FILE_NAMES_CUTOFF_POINT: usize = 10;
913 let mut file_names: Vec<_> = items
914 .filter_map(|item| {
915 item.project_path(cx).and_then(|project_path| {
916 project_path
917 .path
918 .file_name()
919 .and_then(|name| name.to_str().map(ToOwned::to_owned))
920 })
921 })
922 .take(FILE_NAMES_CUTOFF_POINT)
923 .collect();
924 let should_display_followup_text =
925 all_dirty_items > FILE_NAMES_CUTOFF_POINT || file_names.len() != all_dirty_items;
926 if should_display_followup_text {
927 let not_shown_files = all_dirty_items - file_names.len();
928 if not_shown_files == 1 {
929 file_names.push(".. 1 file not shown".into());
930 } else {
931 file_names.push(format!(".. {} files not shown", not_shown_files).into());
932 }
933 }
934 let file_names = file_names.join("\n");
935 format!(
936 "Do you want to save changes to the following {} files?\n{file_names}",
937 all_dirty_items
938 )
939 }
940
941 pub fn close_items(
942 &mut self,
943 cx: &mut ViewContext<Pane>,
944 mut save_intent: SaveIntent,
945 should_close: impl 'static + Fn(EntityId) -> bool,
946 ) -> Task<Result<()>> {
947 // Find the items to close.
948 let mut items_to_close = Vec::new();
949 let mut dirty_items = Vec::new();
950 for item in &self.items {
951 if should_close(item.item_id()) {
952 items_to_close.push(item.boxed_clone());
953 if item.is_dirty(cx) {
954 dirty_items.push(item.boxed_clone());
955 }
956 }
957 }
958
959 // If a buffer is open both in a singleton editor and in a multibuffer, make sure
960 // to focus the singleton buffer when prompting to save that buffer, as opposed
961 // to focusing the multibuffer, because this gives the user a more clear idea
962 // of what content they would be saving.
963 items_to_close.sort_by_key(|item| !item.is_singleton(cx));
964
965 let workspace = self.workspace.clone();
966 cx.spawn(|pane, mut cx| async move {
967 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
968 let answer = pane.update(&mut cx, |_, cx| {
969 let prompt =
970 Self::file_names_for_prompt(&mut dirty_items.iter(), dirty_items.len(), cx);
971 cx.prompt(
972 PromptLevel::Warning,
973 &prompt,
974 &["Save all", "Discard all", "Cancel"],
975 )
976 })?;
977 match answer.await {
978 Ok(0) => save_intent = SaveIntent::SaveAll,
979 Ok(1) => save_intent = SaveIntent::Skip,
980 _ => {}
981 }
982 }
983 let mut saved_project_items_ids = HashSet::default();
984 for item in items_to_close.clone() {
985 // Find the item's current index and its set of project item models. Avoid
986 // storing these in advance, in case they have changed since this task
987 // was started.
988 let (item_ix, mut project_item_ids) = pane.update(&mut cx, |pane, cx| {
989 (pane.index_for_item(&*item), item.project_item_model_ids(cx))
990 })?;
991 let item_ix = if let Some(ix) = item_ix {
992 ix
993 } else {
994 continue;
995 };
996
997 // Check if this view has any project items that are not open anywhere else
998 // in the workspace, AND that the user has not already been prompted to save.
999 // If there are any such project entries, prompt the user to save this item.
1000 let project = workspace.update(&mut cx, |workspace, cx| {
1001 for item in workspace.items(cx) {
1002 if !items_to_close
1003 .iter()
1004 .any(|item_to_close| item_to_close.item_id() == item.item_id())
1005 {
1006 let other_project_item_ids = item.project_item_model_ids(cx);
1007 project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1008 }
1009 }
1010 workspace.project().clone()
1011 })?;
1012 let should_save = project_item_ids
1013 .iter()
1014 .any(|id| saved_project_items_ids.insert(*id));
1015
1016 if should_save
1017 && !Self::save_item(
1018 project.clone(),
1019 &pane,
1020 item_ix,
1021 &*item,
1022 save_intent,
1023 &mut cx,
1024 )
1025 .await?
1026 {
1027 break;
1028 }
1029
1030 // Remove the item from the pane.
1031 pane.update(&mut cx, |pane, cx| {
1032 if let Some(item_ix) = pane
1033 .items
1034 .iter()
1035 .position(|i| i.item_id() == item.item_id())
1036 {
1037 pane.remove_item(item_ix, false, cx);
1038 }
1039 })?;
1040 }
1041
1042 pane.update(&mut cx, |_, cx| cx.notify())?;
1043 Ok(())
1044 })
1045 }
1046
1047 pub fn remove_item(
1048 &mut self,
1049 item_index: usize,
1050 activate_pane: bool,
1051 cx: &mut ViewContext<Self>,
1052 ) {
1053 self.activation_history
1054 .retain(|&history_entry| history_entry != self.items[item_index].item_id());
1055
1056 if item_index == self.active_item_index {
1057 let index_to_activate = self
1058 .activation_history
1059 .pop()
1060 .and_then(|last_activated_item| {
1061 self.items.iter().enumerate().find_map(|(index, item)| {
1062 (item.item_id() == last_activated_item).then_some(index)
1063 })
1064 })
1065 // We didn't have a valid activation history entry, so fallback
1066 // to activating the item to the left
1067 .unwrap_or_else(|| item_index.min(self.items.len()).saturating_sub(1));
1068
1069 let should_activate = activate_pane || self.has_focus(cx);
1070 if self.items.len() == 1 && should_activate {
1071 self.focus_handle.focus(cx);
1072 } else {
1073 self.activate_item(index_to_activate, should_activate, should_activate, cx);
1074 }
1075 }
1076
1077 let item = self.items.remove(item_index);
1078
1079 cx.emit(Event::RemoveItem {
1080 item_id: item.item_id(),
1081 });
1082 if self.items.is_empty() {
1083 item.deactivated(cx);
1084 self.update_toolbar(cx);
1085 cx.emit(Event::Remove);
1086 }
1087
1088 if item_index < self.active_item_index {
1089 self.active_item_index -= 1;
1090 }
1091
1092 self.nav_history.set_mode(NavigationMode::ClosingItem);
1093 item.deactivated(cx);
1094 self.nav_history.set_mode(NavigationMode::Normal);
1095
1096 if let Some(path) = item.project_path(cx) {
1097 let abs_path = self
1098 .nav_history
1099 .0
1100 .lock()
1101 .paths_by_item
1102 .get(&item.item_id())
1103 .and_then(|(_, abs_path)| abs_path.clone());
1104
1105 self.nav_history
1106 .0
1107 .lock()
1108 .paths_by_item
1109 .insert(item.item_id(), (path, abs_path));
1110 } else {
1111 self.nav_history
1112 .0
1113 .lock()
1114 .paths_by_item
1115 .remove(&item.item_id());
1116 }
1117
1118 if self.items.is_empty() && self.zoomed {
1119 cx.emit(Event::ZoomOut);
1120 }
1121
1122 cx.notify();
1123 }
1124
1125 pub async fn save_item(
1126 project: Model<Project>,
1127 pane: &WeakView<Pane>,
1128 item_ix: usize,
1129 item: &dyn ItemHandle,
1130 save_intent: SaveIntent,
1131 cx: &mut AsyncWindowContext,
1132 ) -> Result<bool> {
1133 const CONFLICT_MESSAGE: &str =
1134 "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1135
1136 if save_intent == SaveIntent::Skip {
1137 return Ok(true);
1138 }
1139
1140 let (mut has_conflict, mut is_dirty, mut can_save, can_save_as) = cx.update(|_, cx| {
1141 (
1142 item.has_conflict(cx),
1143 item.is_dirty(cx),
1144 item.can_save(cx),
1145 item.is_singleton(cx),
1146 )
1147 })?;
1148
1149 // when saving a single buffer, we ignore whether or not it's dirty.
1150 if save_intent == SaveIntent::Save {
1151 is_dirty = true;
1152 }
1153
1154 if save_intent == SaveIntent::SaveAs {
1155 is_dirty = true;
1156 has_conflict = false;
1157 can_save = false;
1158 }
1159
1160 if save_intent == SaveIntent::Overwrite {
1161 has_conflict = false;
1162 }
1163
1164 if has_conflict && can_save {
1165 let answer = pane.update(cx, |pane, cx| {
1166 pane.activate_item(item_ix, true, true, cx);
1167 cx.prompt(
1168 PromptLevel::Warning,
1169 CONFLICT_MESSAGE,
1170 &["Overwrite", "Discard", "Cancel"],
1171 )
1172 })?;
1173 match answer.await {
1174 Ok(0) => pane.update(cx, |_, cx| item.save(project, cx))?.await?,
1175 Ok(1) => pane.update(cx, |_, cx| item.reload(project, cx))?.await?,
1176 _ => return Ok(false),
1177 }
1178 } else if is_dirty && (can_save || can_save_as) {
1179 if save_intent == SaveIntent::Close {
1180 let will_autosave = cx.update(|_, cx| {
1181 matches!(
1182 WorkspaceSettings::get_global(cx).autosave,
1183 AutosaveSetting::OnFocusChange | AutosaveSetting::OnWindowChange
1184 ) && Self::can_autosave_item(&*item, cx)
1185 })?;
1186 if !will_autosave {
1187 let answer = pane.update(cx, |pane, cx| {
1188 pane.activate_item(item_ix, true, true, cx);
1189 let prompt = dirty_message_for(item.project_path(cx));
1190 cx.prompt(
1191 PromptLevel::Warning,
1192 &prompt,
1193 &["Save", "Don't Save", "Cancel"],
1194 )
1195 })?;
1196 match answer.await {
1197 Ok(0) => {}
1198 Ok(1) => return Ok(true), // Don't save this file
1199 _ => return Ok(false), // Cancel
1200 }
1201 }
1202 }
1203
1204 if can_save {
1205 pane.update(cx, |_, cx| item.save(project, cx))?.await?;
1206 } else if can_save_as {
1207 let start_abs_path = project
1208 .update(cx, |project, cx| {
1209 let worktree = project.visible_worktrees(cx).next()?;
1210 Some(worktree.read(cx).as_local()?.abs_path().to_path_buf())
1211 })?
1212 .unwrap_or_else(|| Path::new("").into());
1213
1214 let abs_path = cx.update(|_, cx| cx.prompt_for_new_path(&start_abs_path))?;
1215 if let Some(abs_path) = abs_path.await.ok().flatten() {
1216 pane.update(cx, |_, cx| item.save_as(project, abs_path, cx))?
1217 .await?;
1218 } else {
1219 return Ok(false);
1220 }
1221 }
1222 }
1223 Ok(true)
1224 }
1225
1226 fn can_autosave_item(item: &dyn ItemHandle, cx: &AppContext) -> bool {
1227 let is_deleted = item.project_entry_ids(cx).is_empty();
1228 item.is_dirty(cx) && !item.has_conflict(cx) && item.can_save(cx) && !is_deleted
1229 }
1230
1231 pub fn autosave_item(
1232 item: &dyn ItemHandle,
1233 project: Model<Project>,
1234 cx: &mut WindowContext,
1235 ) -> Task<Result<()>> {
1236 if Self::can_autosave_item(item, cx) {
1237 item.save(project, cx)
1238 } else {
1239 Task::ready(Ok(()))
1240 }
1241 }
1242
1243 pub fn focus(&mut self, cx: &mut ViewContext<Pane>) {
1244 cx.focus(&self.focus_handle);
1245 }
1246
1247 pub fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
1248 if let Some(active_item) = self.active_item() {
1249 let focus_handle = active_item.focus_handle(cx);
1250 cx.focus(&focus_handle);
1251 }
1252 }
1253
1254 pub fn split(&mut self, direction: SplitDirection, cx: &mut ViewContext<Self>) {
1255 cx.emit(Event::Split(direction));
1256 }
1257
1258 // fn deploy_split_menu(&mut self, cx: &mut ViewContext<Self>) {
1259 // self.tab_bar_context_menu.handle.update(cx, |menu, cx| {
1260 // menu.toggle(
1261 // Default::default(),
1262 // AnchorCorner::TopRight,
1263 // vec![
1264 // ContextMenuItem::action("Split Right", SplitRight),
1265 // ContextMenuItem::action("Split Left", SplitLeft),
1266 // ContextMenuItem::action("Split Up", SplitUp),
1267 // ContextMenuItem::action("Split Down", SplitDown),
1268 // ],
1269 // cx,
1270 // );
1271 // });
1272
1273 // self.tab_bar_context_menu.kind = TabBarContextMenuKind::Split;
1274 // }
1275
1276 // fn deploy_new_menu(&mut self, cx: &mut ViewContext<Self>) {
1277 // self.tab_bar_context_menu.handle.update(cx, |menu, cx| {
1278 // menu.toggle(
1279 // Default::default(),
1280 // AnchorCorner::TopRight,
1281 // vec![
1282 // ContextMenuItem::action("New File", NewFile),
1283 // ContextMenuItem::action("New Terminal", NewCenterTerminal),
1284 // ContextMenuItem::action("New Search", NewSearch),
1285 // ],
1286 // cx,
1287 // );
1288 // });
1289
1290 // self.tab_bar_context_menu.kind = TabBarContextMenuKind::New;
1291 // }
1292
1293 // fn deploy_tab_context_menu(
1294 // &mut self,
1295 // position: Vector2F,
1296 // target_item_id: usize,
1297 // cx: &mut ViewContext<Self>,
1298 // ) {
1299 // let active_item_id = self.items[self.active_item_index].id();
1300 // let is_active_item = target_item_id == active_item_id;
1301 // let target_pane = cx.weak_handle();
1302
1303 // // 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
1304
1305 // self.tab_context_menu.update(cx, |menu, cx| {
1306 // menu.show(
1307 // position,
1308 // AnchorCorner::TopLeft,
1309 // if is_active_item {
1310 // vec![
1311 // ContextMenuItem::action(
1312 // "Close Active Item",
1313 // CloseActiveItem { save_intent: None },
1314 // ),
1315 // ContextMenuItem::action("Close Inactive Items", CloseInactiveItems),
1316 // ContextMenuItem::action("Close Clean Items", CloseCleanItems),
1317 // ContextMenuItem::action("Close Items To The Left", CloseItemsToTheLeft),
1318 // ContextMenuItem::action("Close Items To The Right", CloseItemsToTheRight),
1319 // ContextMenuItem::action(
1320 // "Close All Items",
1321 // CloseAllItems { save_intent: None },
1322 // ),
1323 // ]
1324 // } else {
1325 // // 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.
1326 // vec![
1327 // ContextMenuItem::handler("Close Inactive Item", {
1328 // let pane = target_pane.clone();
1329 // move |cx| {
1330 // if let Some(pane) = pane.upgrade(cx) {
1331 // pane.update(cx, |pane, cx| {
1332 // pane.close_item_by_id(
1333 // target_item_id,
1334 // SaveIntent::Close,
1335 // cx,
1336 // )
1337 // .detach_and_log_err(cx);
1338 // })
1339 // }
1340 // }
1341 // }),
1342 // ContextMenuItem::action("Close Inactive Items", CloseInactiveItems),
1343 // ContextMenuItem::action("Close Clean Items", CloseCleanItems),
1344 // ContextMenuItem::handler("Close Items To The Left", {
1345 // let pane = target_pane.clone();
1346 // move |cx| {
1347 // if let Some(pane) = pane.upgrade(cx) {
1348 // pane.update(cx, |pane, cx| {
1349 // pane.close_items_to_the_left_by_id(target_item_id, cx)
1350 // .detach_and_log_err(cx);
1351 // })
1352 // }
1353 // }
1354 // }),
1355 // ContextMenuItem::handler("Close Items To The Right", {
1356 // let pane = target_pane.clone();
1357 // move |cx| {
1358 // if let Some(pane) = pane.upgrade(cx) {
1359 // pane.update(cx, |pane, cx| {
1360 // pane.close_items_to_the_right_by_id(target_item_id, cx)
1361 // .detach_and_log_err(cx);
1362 // })
1363 // }
1364 // }
1365 // }),
1366 // ContextMenuItem::action(
1367 // "Close All Items",
1368 // CloseAllItems { save_intent: None },
1369 // ),
1370 // ]
1371 // },
1372 // cx,
1373 // );
1374 // });
1375 // }
1376
1377 pub fn toolbar(&self) -> &View<Toolbar> {
1378 &self.toolbar
1379 }
1380
1381 pub fn handle_deleted_project_item(
1382 &mut self,
1383 entry_id: ProjectEntryId,
1384 cx: &mut ViewContext<Pane>,
1385 ) -> Option<()> {
1386 let (item_index_to_delete, item_id) = self.items().enumerate().find_map(|(i, item)| {
1387 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
1388 Some((i, item.item_id()))
1389 } else {
1390 None
1391 }
1392 })?;
1393
1394 self.remove_item(item_index_to_delete, false, cx);
1395 self.nav_history.remove_item(item_id);
1396
1397 Some(())
1398 }
1399
1400 fn update_toolbar(&mut self, cx: &mut ViewContext<Self>) {
1401 let active_item = self
1402 .items
1403 .get(self.active_item_index)
1404 .map(|item| item.as_ref());
1405 self.toolbar.update(cx, |toolbar, cx| {
1406 toolbar.set_active_item(active_item, cx);
1407 });
1408 }
1409
1410 fn render_tab(
1411 &self,
1412 ix: usize,
1413 item: &Box<dyn ItemHandle>,
1414 detail: usize,
1415 cx: &mut ViewContext<'_, Pane>,
1416 ) -> impl IntoElement {
1417 let label = item.tab_content(Some(detail), cx);
1418 let close_icon = || {
1419 let id = item.item_id();
1420
1421 div()
1422 .id(ix)
1423 .invisible()
1424 .group_hover("", |style| style.visible())
1425 .child(
1426 IconButton::new("close_tab", Icon::Close).on_click(cx.listener(
1427 move |pane, _, cx| {
1428 pane.close_item_by_id(id, SaveIntent::Close, cx)
1429 .detach_and_log_err(cx);
1430 },
1431 )),
1432 )
1433 };
1434
1435 let (text_color, tab_bg, tab_hover_bg, tab_active_bg) = match ix == self.active_item_index {
1436 false => (
1437 cx.theme().colors().text_muted,
1438 cx.theme().colors().tab_inactive_background,
1439 cx.theme().colors().ghost_element_hover,
1440 cx.theme().colors().ghost_element_active,
1441 ),
1442 true => (
1443 cx.theme().colors().text,
1444 cx.theme().colors().tab_active_background,
1445 cx.theme().colors().element_hover,
1446 cx.theme().colors().element_active,
1447 ),
1448 };
1449
1450 let close_right = ItemSettings::get_global(cx).close_position.right();
1451 let is_active = ix == self.active_item_index;
1452
1453 let tab = div()
1454 .group("")
1455 .id(ix)
1456 .cursor_pointer()
1457 .when_some(item.tab_tooltip_text(cx), |div, text| {
1458 div.tooltip(move |cx| cx.build_view(|cx| Tooltip::new(text.clone())).into())
1459 })
1460 .on_click(cx.listener(move |v: &mut Self, e, cx| v.activate_item(ix, true, true, cx)))
1461 // .on_drag(move |pane, cx| pane.render_tab(ix, item.boxed_clone(), detail, cx))
1462 // .drag_over::<DraggedTab>(|d| d.bg(cx.theme().colors().element_drop_target))
1463 // .on_drop(|_view, state: View<DraggedTab>, cx| {
1464 // eprintln!("{:?}", state.read(cx));
1465 // })
1466 .flex()
1467 .items_center()
1468 .justify_center()
1469 // todo!("Nate - I need to do some work to balance all the items in the tab once things stablize")
1470 .map(|this| {
1471 if close_right {
1472 this.pl_3().pr_1()
1473 } else {
1474 this.pr_1().pr_3()
1475 }
1476 })
1477 .py_1()
1478 .bg(tab_bg)
1479 .border_color(cx.theme().colors().border)
1480 .text_color(if is_active {
1481 cx.theme().colors().text
1482 } else {
1483 cx.theme().colors().text_muted
1484 })
1485 .map(|this| {
1486 let is_last_item = ix == self.items.len() - 1;
1487 match ix.cmp(&self.active_item_index) {
1488 cmp::Ordering::Less => this.border_l().mr_px(),
1489 cmp::Ordering::Greater => {
1490 if is_last_item {
1491 this.mr_px().ml_px()
1492 } else {
1493 this.border_r().ml_px()
1494 }
1495 }
1496 cmp::Ordering::Equal => this.border_l().border_r(),
1497 }
1498 })
1499 // .hover(|h| h.bg(tab_hover_bg))
1500 // .active(|a| a.bg(tab_active_bg))
1501 .child(
1502 div()
1503 .flex()
1504 .items_center()
1505 .gap_1()
1506 .text_color(text_color)
1507 .children(
1508 item.has_conflict(cx)
1509 .then(|| {
1510 div().border().border_color(gpui::red()).child(
1511 IconElement::new(Icon::ExclamationTriangle)
1512 .size(ui::IconSize::Small)
1513 .color(Color::Warning),
1514 )
1515 })
1516 .or(item.is_dirty(cx).then(|| {
1517 div().border().border_color(gpui::red()).child(
1518 IconElement::new(Icon::ExclamationTriangle)
1519 .size(ui::IconSize::Small)
1520 .color(Color::Info),
1521 )
1522 })),
1523 )
1524 .children((!close_right).then(|| close_icon()))
1525 .child(label)
1526 .children(close_right.then(|| close_icon())),
1527 );
1528
1529 right_click_menu(ix).trigger(tab).menu(|cx| {
1530 ContextMenu::build(cx, |menu, cx| {
1531 menu.action(
1532 "Close Active Item",
1533 CloseActiveItem { save_intent: None }.boxed_clone(),
1534 )
1535 .action("Close Inactive Items", CloseInactiveItems.boxed_clone())
1536 .action("Close Clean Items", CloseCleanItems.boxed_clone())
1537 .action("Close Items To The Left", CloseItemsToTheLeft.boxed_clone())
1538 .action(
1539 "Close Items To The Right",
1540 CloseItemsToTheRight.boxed_clone(),
1541 )
1542 .action(
1543 "Close All Items",
1544 CloseAllItems { save_intent: None }.boxed_clone(),
1545 )
1546 })
1547 })
1548 }
1549
1550 fn render_tab_bar(&mut self, cx: &mut ViewContext<'_, Pane>) -> impl IntoElement {
1551 div()
1552 .id("tab_bar")
1553 .group("tab_bar")
1554 .track_focus(&self.tab_bar_focus_handle)
1555 .w_full()
1556 // 30px @ 16px/rem
1557 .h(rems(1.875))
1558 .overflow_hidden()
1559 .flex()
1560 .flex_none()
1561 .bg(cx.theme().colors().tab_bar_background)
1562 // Left Side
1563 .child(
1564 h_stack()
1565 .px_2()
1566 .flex()
1567 .flex_none()
1568 .gap_1()
1569 // Nav Buttons
1570 .child(
1571 div().border().border_color(gpui::red()).child(
1572 IconButton::new("navigate_backward", Icon::ArrowLeft)
1573 .on_click({
1574 let view = cx.view().clone();
1575 move |_, cx| view.update(cx, Self::navigate_backward)
1576 })
1577 .disabled(!self.can_navigate_backward()),
1578 ),
1579 )
1580 .child(
1581 div().border().border_color(gpui::red()).child(
1582 IconButton::new("navigate_forward", Icon::ArrowRight)
1583 .on_click({
1584 let view = cx.view().clone();
1585 move |_, cx| view.update(cx, Self::navigate_backward)
1586 })
1587 .disabled(!self.can_navigate_forward()),
1588 ),
1589 ),
1590 )
1591 .child(
1592 div().flex_1().h_full().child(
1593 div().id("tabs").flex().overflow_x_scroll().children(
1594 self.items
1595 .iter()
1596 .enumerate()
1597 .zip(self.tab_details(cx))
1598 .map(|((ix, item), detail)| self.render_tab(ix, item, detail, cx)),
1599 ),
1600 ),
1601 )
1602 // Right Side
1603 .child(
1604 div()
1605 .px_1()
1606 .flex()
1607 .flex_none()
1608 .gap_2()
1609 // Nav Buttons
1610 .child(
1611 div()
1612 .flex()
1613 .items_center()
1614 .gap_px()
1615 .child(
1616 div()
1617 .bg(gpui::blue())
1618 .border()
1619 .border_color(gpui::red())
1620 .child(IconButton::new("plus", Icon::Plus).on_click(
1621 cx.listener(|this, _, cx| {
1622 let menu = ContextMenu::build(cx, |menu, cx| {
1623 menu.action("New File", NewFile.boxed_clone())
1624 .action(
1625 "New Terminal",
1626 NewCenterTerminal.boxed_clone(),
1627 )
1628 .action("New Search", NewSearch.boxed_clone())
1629 });
1630 cx.subscribe(
1631 &menu,
1632 |this, _, event: &DismissEvent, cx| {
1633 this.focus(cx);
1634 this.new_item_menu = None;
1635 },
1636 )
1637 .detach();
1638 this.new_item_menu = Some(menu);
1639 }),
1640 ))
1641 .when_some(self.new_item_menu.as_ref(), |el, new_item_menu| {
1642 el.child(Self::render_menu_overlay(new_item_menu))
1643 }),
1644 )
1645 .child(
1646 div()
1647 .border()
1648 .border_color(gpui::red())
1649 .child(IconButton::new("split", Icon::Split).on_click(
1650 cx.listener(|this, _, cx| {
1651 let menu = ContextMenu::build(cx, |menu, cx| {
1652 menu.action("Split Right", SplitRight.boxed_clone())
1653 .action("Split Left", SplitLeft.boxed_clone())
1654 .action("Split Up", SplitUp.boxed_clone())
1655 .action("Split Down", SplitDown.boxed_clone())
1656 });
1657 cx.subscribe(
1658 &menu,
1659 |this, _, event: &DismissEvent, cx| {
1660 this.focus(cx);
1661 this.split_item_menu = None;
1662 },
1663 )
1664 .detach();
1665 this.split_item_menu = Some(menu);
1666 }),
1667 ))
1668 .when_some(
1669 self.split_item_menu.as_ref(),
1670 |el, split_item_menu| {
1671 el.child(Self::render_menu_overlay(split_item_menu))
1672 },
1673 ),
1674 ),
1675 ),
1676 )
1677 }
1678
1679 fn render_menu_overlay(menu: &View<ContextMenu>) -> Div {
1680 div()
1681 .absolute()
1682 .z_index(1)
1683 .bottom_0()
1684 .right_0()
1685 .size_0()
1686 .child(overlay().anchor(AnchorCorner::TopRight).child(menu.clone()))
1687 }
1688
1689 // fn render_tabs(&mut self, cx: &mut ViewContext<Self>) -> impl Element<Self> {
1690 // let theme = theme::current(cx).clone();
1691
1692 // let pane = cx.handle().downgrade();
1693 // let autoscroll = if mem::take(&mut self.autoscroll) {
1694 // Some(self.active_item_index)
1695 // } else {
1696 // None
1697 // };
1698
1699 // let pane_active = self.has_focus;
1700
1701 // enum Tabs {}
1702 // let mut row = Flex::row().scrollable::<Tabs>(1, autoscroll, cx);
1703 // for (ix, (item, detail)) in self
1704 // .items
1705 // .iter()
1706 // .cloned()
1707 // .zip(self.tab_details(cx))
1708 // .enumerate()
1709 // {
1710 // let git_status = item
1711 // .project_path(cx)
1712 // .and_then(|path| self.project.read(cx).entry_for_path(&path, cx))
1713 // .and_then(|entry| entry.git_status());
1714
1715 // let detail = if detail == 0 { None } else { Some(detail) };
1716 // let tab_active = ix == self.active_item_index;
1717
1718 // row.add_child({
1719 // enum TabDragReceiver {}
1720 // let mut receiver =
1721 // dragged_item_receiver::<TabDragReceiver, _, _>(self, ix, ix, true, None, cx, {
1722 // let item = item.clone();
1723 // let pane = pane.clone();
1724 // let detail = detail.clone();
1725
1726 // let theme = theme::current(cx).clone();
1727 // let mut tooltip_theme = theme.tooltip.clone();
1728 // tooltip_theme.max_text_width = None;
1729 // let tab_tooltip_text =
1730 // item.tab_tooltip_text(cx).map(|text| text.into_owned());
1731
1732 // let mut tab_style = theme
1733 // .workspace
1734 // .tab_bar
1735 // .tab_style(pane_active, tab_active)
1736 // .clone();
1737 // let should_show_status = settings::get::<ItemSettings>(cx).git_status;
1738 // if should_show_status && git_status != None {
1739 // tab_style.label.text.color = match git_status.unwrap() {
1740 // GitFileStatus::Added => tab_style.git.inserted,
1741 // GitFileStatus::Modified => tab_style.git.modified,
1742 // GitFileStatus::Conflict => tab_style.git.conflict,
1743 // };
1744 // }
1745
1746 // move |mouse_state, cx| {
1747 // let hovered = mouse_state.hovered();
1748
1749 // enum Tab {}
1750 // let mouse_event_handler =
1751 // MouseEventHandler::new::<Tab, _>(ix, cx, |_, cx| {
1752 // Self::render_tab(
1753 // &item,
1754 // pane.clone(),
1755 // ix == 0,
1756 // detail,
1757 // hovered,
1758 // &tab_style,
1759 // cx,
1760 // )
1761 // })
1762 // .on_down(MouseButton::Left, move |_, this, cx| {
1763 // this.activate_item(ix, true, true, cx);
1764 // })
1765 // .on_click(MouseButton::Middle, {
1766 // let item_id = item.id();
1767 // move |_, pane, cx| {
1768 // pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1769 // .detach_and_log_err(cx);
1770 // }
1771 // })
1772 // .on_down(
1773 // MouseButton::Right,
1774 // move |event, pane, cx| {
1775 // pane.deploy_tab_context_menu(event.position, item.id(), cx);
1776 // },
1777 // );
1778
1779 // if let Some(tab_tooltip_text) = tab_tooltip_text {
1780 // mouse_event_handler
1781 // .with_tooltip::<Self>(
1782 // ix,
1783 // tab_tooltip_text,
1784 // None,
1785 // tooltip_theme,
1786 // cx,
1787 // )
1788 // .into_any()
1789 // } else {
1790 // mouse_event_handler.into_any()
1791 // }
1792 // }
1793 // });
1794
1795 // if !pane_active || !tab_active {
1796 // receiver = receiver.with_cursor_style(CursorStyle::PointingHand);
1797 // }
1798
1799 // receiver.as_draggable(
1800 // DraggedItem {
1801 // handle: item,
1802 // pane: pane.clone(),
1803 // },
1804 // {
1805 // let theme = theme::current(cx).clone();
1806
1807 // let detail = detail.clone();
1808 // move |_, dragged_item: &DraggedItem, cx: &mut ViewContext<Workspace>| {
1809 // let tab_style = &theme.workspace.tab_bar.dragged_tab;
1810 // Self::render_dragged_tab(
1811 // &dragged_item.handle,
1812 // dragged_item.pane.clone(),
1813 // false,
1814 // detail,
1815 // false,
1816 // &tab_style,
1817 // cx,
1818 // )
1819 // }
1820 // },
1821 // )
1822 // })
1823 // }
1824
1825 // // Use the inactive tab style along with the current pane's active status to decide how to render
1826 // // the filler
1827 // let filler_index = self.items.len();
1828 // let filler_style = theme.workspace.tab_bar.tab_style(pane_active, false);
1829 // enum Filler {}
1830 // row.add_child(
1831 // dragged_item_receiver::<Filler, _, _>(self, 0, filler_index, true, None, cx, |_, _| {
1832 // Empty::new()
1833 // .contained()
1834 // .with_style(filler_style.container)
1835 // .with_border(filler_style.container.border)
1836 // })
1837 // .flex(1., true)
1838 // .into_any_named("filler"),
1839 // );
1840
1841 // row
1842 // }
1843
1844 fn tab_details(&self, cx: &AppContext) -> Vec<usize> {
1845 let mut tab_details = self.items.iter().map(|_| 0).collect::<Vec<_>>();
1846
1847 let mut tab_descriptions = HashMap::default();
1848 let mut done = false;
1849 while !done {
1850 done = true;
1851
1852 // Store item indices by their tab description.
1853 for (ix, (item, detail)) in self.items.iter().zip(&tab_details).enumerate() {
1854 if let Some(description) = item.tab_description(*detail, cx) {
1855 if *detail == 0
1856 || Some(&description) != item.tab_description(detail - 1, cx).as_ref()
1857 {
1858 tab_descriptions
1859 .entry(description)
1860 .or_insert(Vec::new())
1861 .push(ix);
1862 }
1863 }
1864 }
1865
1866 // If two or more items have the same tab description, increase eir level
1867 // of detail and try again.
1868 for (_, item_ixs) in tab_descriptions.drain() {
1869 if item_ixs.len() > 1 {
1870 done = false;
1871 for ix in item_ixs {
1872 tab_details[ix] += 1;
1873 }
1874 }
1875 }
1876 }
1877
1878 tab_details
1879 }
1880
1881 // fn render_tab(
1882 // item: &Box<dyn ItemHandle>,
1883 // pane: WeakView<Pane>,
1884 // first: bool,
1885 // detail: Option<usize>,
1886 // hovered: bool,
1887 // tab_style: &theme::Tab,
1888 // cx: &mut ViewContext<Self>,
1889 // ) -> AnyElement<Self> {
1890 // let title = item.tab_content(detail, &tab_style, cx);
1891 // Self::render_tab_with_title(title, item, pane, first, hovered, tab_style, cx)
1892 // }
1893
1894 // fn render_dragged_tab(
1895 // item: &Box<dyn ItemHandle>,
1896 // pane: WeakView<Pane>,
1897 // first: bool,
1898 // detail: Option<usize>,
1899 // hovered: bool,
1900 // tab_style: &theme::Tab,
1901 // cx: &mut ViewContext<Workspace>,
1902 // ) -> AnyElement<Workspace> {
1903 // let title = item.dragged_tab_content(detail, &tab_style, cx);
1904 // Self::render_tab_with_title(title, item, pane, first, hovered, tab_style, cx)
1905 // }
1906
1907 // fn render_tab_with_title<T: View>(
1908 // title: AnyElement<T>,
1909 // item: &Box<dyn ItemHandle>,
1910 // pane: WeakView<Pane>,
1911 // first: bool,
1912 // hovered: bool,
1913 // tab_style: &theme::Tab,
1914 // cx: &mut ViewContext<T>,
1915 // ) -> AnyElement<T> {
1916 // let mut container = tab_style.container.clone();
1917 // if first {
1918 // container.border.left = false;
1919 // }
1920
1921 // let buffer_jewel_element = {
1922 // let diameter = 7.0;
1923 // let icon_color = if item.has_conflict(cx) {
1924 // Some(tab_style.icon_conflict)
1925 // } else if item.is_dirty(cx) {
1926 // Some(tab_style.icon_dirty)
1927 // } else {
1928 // None
1929 // };
1930
1931 // Canvas::new(move |bounds, _, _, cx| {
1932 // if let Some(color) = icon_color {
1933 // let square = RectF::new(bounds.origin(), vec2f(diameter, diameter));
1934 // cx.scene().push_quad(Quad {
1935 // bounds: square,
1936 // background: Some(color),
1937 // border: Default::default(),
1938 // corner_radii: (diameter / 2.).into(),
1939 // });
1940 // }
1941 // })
1942 // .constrained()
1943 // .with_width(diameter)
1944 // .with_height(diameter)
1945 // .aligned()
1946 // };
1947
1948 // let title_element = title.aligned().contained().with_style(ContainerStyle {
1949 // margin: Margin {
1950 // left: tab_style.spacing,
1951 // right: tab_style.spacing,
1952 // ..Default::default()
1953 // },
1954 // ..Default::default()
1955 // });
1956
1957 // let close_element = if hovered {
1958 // let item_id = item.id();
1959 // enum TabCloseButton {}
1960 // let icon = Svg::new("icons/x.svg");
1961 // MouseEventHandler::new::<TabCloseButton, _>(item_id, cx, |mouse_state, _| {
1962 // if mouse_state.hovered() {
1963 // icon.with_color(tab_style.icon_close_active)
1964 // } else {
1965 // icon.with_color(tab_style.icon_close)
1966 // }
1967 // })
1968 // .with_padding(Padding::uniform(4.))
1969 // .with_cursor_style(CursorStyle::PointingHand)
1970 // .on_click(MouseButton::Left, {
1971 // let pane = pane.clone();
1972 // move |_, _, cx| {
1973 // let pane = pane.clone();
1974 // cx.window_context().defer(move |cx| {
1975 // if let Some(pane) = pane.upgrade(cx) {
1976 // pane.update(cx, |pane, cx| {
1977 // pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1978 // .detach_and_log_err(cx);
1979 // });
1980 // }
1981 // });
1982 // }
1983 // })
1984 // .into_any_named("close-tab-icon")
1985 // .constrained()
1986 // } else {
1987 // Empty::new().constrained()
1988 // }
1989 // .with_width(tab_style.close_icon_width)
1990 // .aligned();
1991
1992 // let close_right = settings::get::<ItemSettings>(cx).close_position.right();
1993
1994 // if close_right {
1995 // Flex::row()
1996 // .with_child(buffer_jewel_element)
1997 // .with_child(title_element)
1998 // .with_child(close_element)
1999 // } else {
2000 // Flex::row()
2001 // .with_child(close_element)
2002 // .with_child(title_element)
2003 // .with_child(buffer_jewel_element)
2004 // }
2005 // .contained()
2006 // .with_style(container)
2007 // .constrained()
2008 // .with_height(tab_style.height)
2009 // .into_any()
2010 // }
2011
2012 // pub fn render_tab_bar_button<
2013 // F1: 'static + Fn(&mut Pane, &mut EventContext<Pane>),
2014 // F2: 'static + Fn(&mut Pane, &mut EventContext<Pane>),
2015 // >(
2016 // index: usize,
2017 // icon: &'static str,
2018 // is_active: bool,
2019 // tooltip: Option<(&'static str, Option<Box<dyn Action>>)>,
2020 // cx: &mut ViewContext<Pane>,
2021 // on_click: F1,
2022 // on_down: F2,
2023 // context_menu: Option<ViewHandle<ContextMenu>>,
2024 // ) -> AnyElement<Pane> {
2025 // enum TabBarButton {}
2026
2027 // let mut button = MouseEventHandler::new::<TabBarButton, _>(index, cx, |mouse_state, cx| {
2028 // let theme = &settings2::get::<ThemeSettings>(cx).theme.workspace.tab_bar;
2029 // let style = theme.pane_button.in_state(is_active).style_for(mouse_state);
2030 // Svg::new(icon)
2031 // .with_color(style.color)
2032 // .constrained()
2033 // .with_width(style.icon_width)
2034 // .aligned()
2035 // .constrained()
2036 // .with_width(style.button_width)
2037 // .with_height(style.button_width)
2038 // })
2039 // .with_cursor_style(CursorStyle::PointingHand)
2040 // .on_down(MouseButton::Left, move |_, pane, cx| on_down(pane, cx))
2041 // .on_click(MouseButton::Left, move |_, pane, cx| on_click(pane, cx))
2042 // .into_any();
2043 // if let Some((tooltip, action)) = tooltip {
2044 // let tooltip_style = settings::get::<ThemeSettings>(cx).theme.tooltip.clone();
2045 // button = button
2046 // .with_tooltip::<TabBarButton>(index, tooltip, action, tooltip_style, cx)
2047 // .into_any();
2048 // }
2049
2050 // Stack::new()
2051 // .with_child(button)
2052 // .with_children(
2053 // context_menu.map(|menu| ChildView::new(&menu, cx).aligned().bottom().right()),
2054 // )
2055 // .flex(1., false)
2056 // .into_any_named("tab bar button")
2057 // }
2058
2059 // fn render_blank_pane(&self, theme: &Theme, _cx: &mut ViewContext<Self>) -> AnyElement<Self> {
2060 // let background = theme.workspace.background;
2061 // Empty::new()
2062 // .contained()
2063 // .with_background_color(background)
2064 // .into_any()
2065 // }
2066
2067 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
2068 self.zoomed = zoomed;
2069 cx.notify();
2070 }
2071
2072 pub fn is_zoomed(&self) -> bool {
2073 self.zoomed
2074 }
2075}
2076
2077impl FocusableView for Pane {
2078 fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
2079 self.focus_handle.clone()
2080 }
2081}
2082
2083impl Render for Pane {
2084 type Element = Focusable<Div>;
2085
2086 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
2087 let this = cx.view().downgrade();
2088
2089 v_stack()
2090 .key_context("Pane")
2091 .track_focus(&self.focus_handle)
2092 .on_focus_in({
2093 let this = this.clone();
2094 move |event, cx| {
2095 this.update(cx, |this, cx| this.focus_in(cx)).ok();
2096 }
2097 })
2098 .on_focus_out({
2099 let this = this.clone();
2100 move |event, cx| {
2101 this.update(cx, |this, cx| this.focus_out(cx)).ok();
2102 }
2103 })
2104 .on_action(cx.listener(|pane, _: &SplitLeft, cx| pane.split(SplitDirection::Left, cx)))
2105 .on_action(cx.listener(|pane, _: &SplitUp, cx| pane.split(SplitDirection::Up, cx)))
2106 .on_action(
2107 cx.listener(|pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx)),
2108 )
2109 .on_action(cx.listener(|pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx)))
2110 .on_action(cx.listener(|pane, _: &GoBack, cx| pane.navigate_backward(cx)))
2111 .on_action(cx.listener(|pane, _: &GoForward, cx| pane.navigate_forward(cx)))
2112 .on_action(cx.listener(Pane::toggle_zoom))
2113 .on_action(cx.listener(|pane: &mut Pane, action: &ActivateItem, cx| {
2114 pane.activate_item(action.0, true, true, cx);
2115 }))
2116 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateLastItem, cx| {
2117 pane.activate_item(pane.items.len() - 1, true, true, cx);
2118 }))
2119 .on_action(cx.listener(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
2120 pane.activate_prev_item(true, cx);
2121 }))
2122 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateNextItem, cx| {
2123 pane.activate_next_item(true, cx);
2124 }))
2125 .on_action(
2126 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2127 pane.close_active_item(action, cx)
2128 .map(|task| task.detach_and_log_err(cx));
2129 }),
2130 )
2131 .on_action(
2132 cx.listener(|pane: &mut Self, action: &CloseInactiveItems, cx| {
2133 pane.close_inactive_items(action, cx)
2134 .map(|task| task.detach_and_log_err(cx));
2135 }),
2136 )
2137 .on_action(
2138 cx.listener(|pane: &mut Self, action: &CloseCleanItems, cx| {
2139 pane.close_clean_items(action, cx)
2140 .map(|task| task.detach_and_log_err(cx));
2141 }),
2142 )
2143 .on_action(
2144 cx.listener(|pane: &mut Self, action: &CloseItemsToTheLeft, cx| {
2145 pane.close_items_to_the_left(action, cx)
2146 .map(|task| task.detach_and_log_err(cx));
2147 }),
2148 )
2149 .on_action(
2150 cx.listener(|pane: &mut Self, action: &CloseItemsToTheRight, cx| {
2151 pane.close_items_to_the_right(action, cx)
2152 .map(|task| task.detach_and_log_err(cx));
2153 }),
2154 )
2155 .on_action(cx.listener(|pane: &mut Self, action: &CloseAllItems, cx| {
2156 pane.close_all_items(action, cx)
2157 .map(|task| task.detach_and_log_err(cx));
2158 }))
2159 .size_full()
2160 .on_action(
2161 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2162 pane.close_active_item(action, cx)
2163 .map(|task| task.detach_and_log_err(cx));
2164 }),
2165 )
2166 .child(self.render_tab_bar(cx))
2167 .child(self.toolbar.clone())
2168 .child(if let Some(item) = self.active_item() {
2169 div().flex().flex_1().child(item.to_any())
2170 } else {
2171 h_stack()
2172 .items_center()
2173 .size_full()
2174 .justify_center()
2175 .child(Label::new("Open a file or project to get started.").color(Color::Muted))
2176 })
2177
2178 // enum MouseNavigationHandler {}
2179
2180 // MouseEventHandler::new::<MouseNavigationHandler, _>(0, cx, |_, cx| {
2181 // let active_item_index = self.active_item_index;
2182
2183 // if let Some(active_item) = self.active_item() {
2184 // Flex::column()
2185 // .with_child({
2186 // let theme = theme::current(cx).clone();
2187
2188 // let mut stack = Stack::new();
2189
2190 // enum TabBarEventHandler {}
2191 // stack.add_child(
2192 // MouseEventHandler::new::<TabBarEventHandler, _>(0, cx, |_, _| {
2193 // Empty::new()
2194 // .contained()
2195 // .with_style(theme.workspace.tab_bar.container)
2196 // })
2197 // .on_down(
2198 // MouseButton::Left,
2199 // move |_, this, cx| {
2200 // this.activate_item(active_item_index, true, true, cx);
2201 // },
2202 // ),
2203 // );
2204 // let tooltip_style = theme.tooltip.clone();
2205 // let tab_bar_theme = theme.workspace.tab_bar.clone();
2206
2207 // let nav_button_height = tab_bar_theme.height;
2208 // let button_style = tab_bar_theme.nav_button;
2209 // let border_for_nav_buttons = tab_bar_theme
2210 // .tab_style(false, false)
2211 // .container
2212 // .border
2213 // .clone();
2214
2215 // let mut tab_row = Flex::row()
2216 // .with_child(nav_button(
2217 // "icons/arrow_left.svg",
2218 // button_style.clone(),
2219 // nav_button_height,
2220 // tooltip_style.clone(),
2221 // self.can_navigate_backward(),
2222 // {
2223 // move |pane, cx| {
2224 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2225 // let pane = cx.weak_handle();
2226 // cx.window_context().defer(move |cx| {
2227 // workspace.update(cx, |workspace, cx| {
2228 // workspace
2229 // .go_back(pane, cx)
2230 // .detach_and_log_err(cx)
2231 // })
2232 // })
2233 // }
2234 // }
2235 // },
2236 // super::GoBack,
2237 // "Go Back",
2238 // cx,
2239 // ))
2240 // .with_child(
2241 // nav_button(
2242 // "icons/arrow_right.svg",
2243 // button_style.clone(),
2244 // nav_button_height,
2245 // tooltip_style,
2246 // self.can_navigate_forward(),
2247 // {
2248 // move |pane, cx| {
2249 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2250 // let pane = cx.weak_handle();
2251 // cx.window_context().defer(move |cx| {
2252 // workspace.update(cx, |workspace, cx| {
2253 // workspace
2254 // .go_forward(pane, cx)
2255 // .detach_and_log_err(cx)
2256 // })
2257 // })
2258 // }
2259 // }
2260 // },
2261 // super::GoForward,
2262 // "Go Forward",
2263 // cx,
2264 // )
2265 // .contained()
2266 // .with_border(border_for_nav_buttons),
2267 // )
2268 // .with_child(self.render_tabs(cx).flex(1., true).into_any_named("tabs"));
2269
2270 // if self.has_focus {
2271 // let render_tab_bar_buttons = self.render_tab_bar_buttons.clone();
2272 // tab_row.add_child(
2273 // (render_tab_bar_buttons)(self, cx)
2274 // .contained()
2275 // .with_style(theme.workspace.tab_bar.pane_button_container)
2276 // .flex(1., false)
2277 // .into_any(),
2278 // )
2279 // }
2280
2281 // stack.add_child(tab_row);
2282 // stack
2283 // .constrained()
2284 // .with_height(theme.workspace.tab_bar.height)
2285 // .flex(1., false)
2286 // .into_any_named("tab bar")
2287 // })
2288 // .with_child({
2289 // enum PaneContentTabDropTarget {}
2290 // dragged_item_receiver::<PaneContentTabDropTarget, _, _>(
2291 // self,
2292 // 0,
2293 // self.active_item_index + 1,
2294 // !self.can_split,
2295 // if self.can_split { Some(100.) } else { None },
2296 // cx,
2297 // {
2298 // let toolbar = self.toolbar.clone();
2299 // let toolbar_hidden = toolbar.read(cx).hidden();
2300 // move |_, cx| {
2301 // Flex::column()
2302 // .with_children(
2303 // (!toolbar_hidden)
2304 // .then(|| ChildView::new(&toolbar, cx).expanded()),
2305 // )
2306 // .with_child(
2307 // ChildView::new(active_item.as_any(), cx).flex(1., true),
2308 // )
2309 // }
2310 // },
2311 // )
2312 // .flex(1., true)
2313 // })
2314 // .with_child(ChildView::new(&self.tab_context_menu, cx))
2315 // .into_any()
2316 // } else {
2317 // enum EmptyPane {}
2318 // let theme = theme::current(cx).clone();
2319
2320 // dragged_item_receiver::<EmptyPane, _, _>(self, 0, 0, false, None, cx, |_, cx| {
2321 // self.render_blank_pane(&theme, cx)
2322 // })
2323 // .on_down(MouseButton::Left, |_, _, cx| {
2324 // cx.focus_parent();
2325 // })
2326 // .into_any()
2327 // }
2328 // })
2329 // .on_down(
2330 // MouseButton::Navigate(NavigationDirection::Back),
2331 // move |_, pane, cx| {
2332 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2333 // let pane = cx.weak_handle();
2334 // cx.window_context().defer(move |cx| {
2335 // workspace.update(cx, |workspace, cx| {
2336 // workspace.go_back(pane, cx).detach_and_log_err(cx)
2337 // })
2338 // })
2339 // }
2340 // },
2341 // )
2342 // .on_down(MouseButton::Navigate(NavigationDirection::Forward), {
2343 // move |_, pane, cx| {
2344 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2345 // let pane = cx.weak_handle();
2346 // cx.window_context().defer(move |cx| {
2347 // workspace.update(cx, |workspace, cx| {
2348 // workspace.go_forward(pane, cx).detach_and_log_err(cx)
2349 // })
2350 // })
2351 // }
2352 // }
2353 // })
2354 // .into_any_named("pane")
2355 }
2356
2357 // fn focus_in(&mut self, focused: AnyViewHandle, cx: &mut ViewContext<Self>) {
2358 // if !self.has_focus {
2359 // self.has_focus = true;
2360 // cx.emit(Event::Focus);
2361 // cx.notify();
2362 // }
2363
2364 // self.toolbar.update(cx, |toolbar, cx| {
2365 // toolbar.focus_changed(true, cx);
2366 // });
2367
2368 // if let Some(active_item) = self.active_item() {
2369 // if cx.is_self_focused() {
2370 // // Pane was focused directly. We need to either focus a view inside the active item,
2371 // // or focus the active item itself
2372 // if let Some(weak_last_focused_view) =
2373 // self.last_focused_view_by_item.get(&active_item.id())
2374 // {
2375 // if let Some(last_focused_view) = weak_last_focused_view.upgrade(cx) {
2376 // cx.focus(&last_focused_view);
2377 // return;
2378 // } else {
2379 // self.last_focused_view_by_item.remove(&active_item.id());
2380 // }
2381 // }
2382
2383 // cx.focus(active_item.as_any());
2384 // } else if focused != self.tab_bar_context_menu.handle {
2385 // self.last_focused_view_by_item
2386 // .insert(active_item.id(), focused.downgrade());
2387 // }
2388 // }
2389 // }
2390
2391 // fn focus_out(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
2392 // self.has_focus = false;
2393 // self.toolbar.update(cx, |toolbar, cx| {
2394 // toolbar.focus_changed(false, cx);
2395 // });
2396 // cx.notify();
2397 // }
2398
2399 // fn update_keymap_context(&self, keymap: &mut KeymapContext, _: &AppContext) {
2400 // Self::reset_to_default_keymap_context(keymap);
2401 // }
2402}
2403
2404impl ItemNavHistory {
2405 pub fn push<D: 'static + Send + Any>(&mut self, data: Option<D>, cx: &mut WindowContext) {
2406 self.history.push(data, self.item.clone(), cx);
2407 }
2408
2409 pub fn pop_backward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2410 self.history.pop(NavigationMode::GoingBack, cx)
2411 }
2412
2413 pub fn pop_forward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2414 self.history.pop(NavigationMode::GoingForward, cx)
2415 }
2416}
2417
2418impl NavHistory {
2419 pub fn for_each_entry(
2420 &self,
2421 cx: &AppContext,
2422 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
2423 ) {
2424 let borrowed_history = self.0.lock();
2425 borrowed_history
2426 .forward_stack
2427 .iter()
2428 .chain(borrowed_history.backward_stack.iter())
2429 .chain(borrowed_history.closed_stack.iter())
2430 .for_each(|entry| {
2431 if let Some(project_and_abs_path) =
2432 borrowed_history.paths_by_item.get(&entry.item.id())
2433 {
2434 f(entry, project_and_abs_path.clone());
2435 } else if let Some(item) = entry.item.upgrade() {
2436 if let Some(path) = item.project_path(cx) {
2437 f(entry, (path, None));
2438 }
2439 }
2440 })
2441 }
2442
2443 pub fn set_mode(&mut self, mode: NavigationMode) {
2444 self.0.lock().mode = mode;
2445 }
2446
2447 pub fn mode(&self) -> NavigationMode {
2448 self.0.lock().mode
2449 }
2450
2451 pub fn disable(&mut self) {
2452 self.0.lock().mode = NavigationMode::Disabled;
2453 }
2454
2455 pub fn enable(&mut self) {
2456 self.0.lock().mode = NavigationMode::Normal;
2457 }
2458
2459 pub fn pop(&mut self, mode: NavigationMode, cx: &mut WindowContext) -> Option<NavigationEntry> {
2460 let mut state = self.0.lock();
2461 let entry = match mode {
2462 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
2463 return None
2464 }
2465 NavigationMode::GoingBack => &mut state.backward_stack,
2466 NavigationMode::GoingForward => &mut state.forward_stack,
2467 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
2468 }
2469 .pop_back();
2470 if entry.is_some() {
2471 state.did_update(cx);
2472 }
2473 entry
2474 }
2475
2476 pub fn push<D: 'static + Send + Any>(
2477 &mut self,
2478 data: Option<D>,
2479 item: Arc<dyn WeakItemHandle>,
2480 cx: &mut WindowContext,
2481 ) {
2482 let state = &mut *self.0.lock();
2483 match state.mode {
2484 NavigationMode::Disabled => {}
2485 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
2486 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2487 state.backward_stack.pop_front();
2488 }
2489 state.backward_stack.push_back(NavigationEntry {
2490 item,
2491 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2492 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2493 });
2494 state.forward_stack.clear();
2495 }
2496 NavigationMode::GoingBack => {
2497 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2498 state.forward_stack.pop_front();
2499 }
2500 state.forward_stack.push_back(NavigationEntry {
2501 item,
2502 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2503 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2504 });
2505 }
2506 NavigationMode::GoingForward => {
2507 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2508 state.backward_stack.pop_front();
2509 }
2510 state.backward_stack.push_back(NavigationEntry {
2511 item,
2512 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2513 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2514 });
2515 }
2516 NavigationMode::ClosingItem => {
2517 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2518 state.closed_stack.pop_front();
2519 }
2520 state.closed_stack.push_back(NavigationEntry {
2521 item,
2522 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2523 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2524 });
2525 }
2526 }
2527 state.did_update(cx);
2528 }
2529
2530 pub fn remove_item(&mut self, item_id: EntityId) {
2531 let mut state = self.0.lock();
2532 state.paths_by_item.remove(&item_id);
2533 state
2534 .backward_stack
2535 .retain(|entry| entry.item.id() != item_id);
2536 state
2537 .forward_stack
2538 .retain(|entry| entry.item.id() != item_id);
2539 state
2540 .closed_stack
2541 .retain(|entry| entry.item.id() != item_id);
2542 }
2543
2544 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
2545 self.0.lock().paths_by_item.get(&item_id).cloned()
2546 }
2547}
2548
2549impl NavHistoryState {
2550 pub fn did_update(&self, cx: &mut WindowContext) {
2551 if let Some(pane) = self.pane.upgrade() {
2552 cx.defer(move |cx| {
2553 pane.update(cx, |pane, cx| pane.history_updated(cx));
2554 });
2555 }
2556 }
2557}
2558
2559// pub struct PaneBackdrop<V> {
2560// child_view: usize,
2561// child: AnyElement<V>,
2562// }
2563
2564// impl<V> PaneBackdrop<V> {
2565// pub fn new(pane_item_view: usize, child: AnyElement<V>) -> Self {
2566// PaneBackdrop {
2567// child,
2568// child_view: pane_item_view,
2569// }
2570// }
2571// }
2572
2573// impl<V: 'static> Element<V> for PaneBackdrop<V> {
2574// type LayoutState = ();
2575
2576// type PaintState = ();
2577
2578// fn layout(
2579// &mut self,
2580// constraint: gpui::SizeConstraint,
2581// view: &mut V,
2582// cx: &mut ViewContext<V>,
2583// ) -> (Vector2F, Self::LayoutState) {
2584// let size = self.child.layout(constraint, view, cx);
2585// (size, ())
2586// }
2587
2588// fn paint(
2589// &mut self,
2590// bounds: RectF,
2591// visible_bounds: RectF,
2592// _: &mut Self::LayoutState,
2593// view: &mut V,
2594// cx: &mut ViewContext<V>,
2595// ) -> Self::PaintState {
2596// let background = theme::current(cx).editor.background;
2597
2598// let visible_bounds = bounds.intersection(visible_bounds).unwrap_or_default();
2599
2600// cx.scene().push_quad(gpui::Quad {
2601// bounds: RectF::new(bounds.origin(), bounds.size()),
2602// background: Some(background),
2603// ..Default::default()
2604// });
2605
2606// let child_view_id = self.child_view;
2607// cx.scene().push_mouse_region(
2608// MouseRegion::new::<Self>(child_view_id, 0, visible_bounds).on_down(
2609// gpui::platform::MouseButton::Left,
2610// move |_, _: &mut V, cx| {
2611// let window = cx.window();
2612// cx.app_context().focus(window, Some(child_view_id))
2613// },
2614// ),
2615// );
2616
2617// cx.scene().push_layer(Some(bounds));
2618// self.child.paint(bounds.origin(), visible_bounds, view, cx);
2619// cx.scene().pop_layer();
2620// }
2621
2622// fn rect_for_text_range(
2623// &self,
2624// range_utf16: std::ops::Range<usize>,
2625// _bounds: RectF,
2626// _visible_bounds: RectF,
2627// _layout: &Self::LayoutState,
2628// _paint: &Self::PaintState,
2629// view: &V,
2630// cx: &gpui::ViewContext<V>,
2631// ) -> Option<RectF> {
2632// self.child.rect_for_text_range(range_utf16, view, cx)
2633// }
2634
2635// fn debug(
2636// &self,
2637// _bounds: RectF,
2638// _layout: &Self::LayoutState,
2639// _paint: &Self::PaintState,
2640// view: &V,
2641// cx: &gpui::ViewContext<V>,
2642// ) -> serde_json::Value {
2643// gpui::json::json!({
2644// "type": "Pane Back Drop",
2645// "view": self.child_view,
2646// "child": self.child.debug(view, cx),
2647// })
2648// }
2649// }
2650
2651fn dirty_message_for(buffer_path: Option<ProjectPath>) -> String {
2652 let path = buffer_path
2653 .as_ref()
2654 .and_then(|p| p.path.to_str())
2655 .unwrap_or(&"This buffer");
2656 let path = truncate_and_remove_front(path, 80);
2657 format!("{path} contains unsaved edits. Do you want to save it?")
2658}
2659
2660// todo!("uncomment tests")
2661// #[cfg(test)]
2662// mod tests {
2663// use super::*;
2664// use crate::item::test::{TestItem, TestProjectItem};
2665// use gpui::TestAppContext;
2666// use project::FakeFs;
2667// use settings::SettingsStore;
2668
2669// #[gpui::test]
2670// async fn test_remove_active_empty(cx: &mut TestAppContext) {
2671// init_test(cx);
2672// let fs = FakeFs::new(cx.background());
2673
2674// let project = Project::test(fs, None, cx).await;
2675// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2676// let workspace = window.root(cx);
2677// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2678
2679// pane.update(cx, |pane, cx| {
2680// assert!(pane
2681// .close_active_item(&CloseActiveItem { save_intent: None }, cx)
2682// .is_none())
2683// });
2684// }
2685
2686// #[gpui::test]
2687// async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
2688// cx.foreground().forbid_parking();
2689// init_test(cx);
2690// let fs = FakeFs::new(cx.background());
2691
2692// let project = Project::test(fs, None, cx).await;
2693// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2694// let workspace = window.root(cx);
2695// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2696
2697// // 1. Add with a destination index
2698// // a. Add before the active item
2699// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2700// pane.update(cx, |pane, cx| {
2701// pane.add_item(
2702// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2703// false,
2704// false,
2705// Some(0),
2706// cx,
2707// );
2708// });
2709// assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2710
2711// // b. Add after the active item
2712// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2713// pane.update(cx, |pane, cx| {
2714// pane.add_item(
2715// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2716// false,
2717// false,
2718// Some(2),
2719// cx,
2720// );
2721// });
2722// assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2723
2724// // c. Add at the end of the item list (including off the length)
2725// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2726// pane.update(cx, |pane, cx| {
2727// pane.add_item(
2728// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2729// false,
2730// false,
2731// Some(5),
2732// cx,
2733// );
2734// });
2735// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2736
2737// // 2. Add without a destination index
2738// // a. Add with active item at the start of the item list
2739// set_labeled_items(&pane, ["A*", "B", "C"], cx);
2740// pane.update(cx, |pane, cx| {
2741// pane.add_item(
2742// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2743// false,
2744// false,
2745// None,
2746// cx,
2747// );
2748// });
2749// set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
2750
2751// // b. Add with active item at the end of the item list
2752// set_labeled_items(&pane, ["A", "B", "C*"], cx);
2753// pane.update(cx, |pane, cx| {
2754// pane.add_item(
2755// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2756// false,
2757// false,
2758// None,
2759// cx,
2760// );
2761// });
2762// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2763// }
2764
2765// #[gpui::test]
2766// async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
2767// cx.foreground().forbid_parking();
2768// init_test(cx);
2769// let fs = FakeFs::new(cx.background());
2770
2771// let project = Project::test(fs, None, cx).await;
2772// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2773// let workspace = window.root(cx);
2774// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2775
2776// // 1. Add with a destination index
2777// // 1a. Add before the active item
2778// let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2779// pane.update(cx, |pane, cx| {
2780// pane.add_item(d, false, false, Some(0), cx);
2781// });
2782// assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2783
2784// // 1b. Add after the active item
2785// let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2786// pane.update(cx, |pane, cx| {
2787// pane.add_item(d, false, false, Some(2), cx);
2788// });
2789// assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2790
2791// // 1c. Add at the end of the item list (including off the length)
2792// let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2793// pane.update(cx, |pane, cx| {
2794// pane.add_item(a, false, false, Some(5), cx);
2795// });
2796// assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2797
2798// // 1d. Add same item to active index
2799// let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2800// pane.update(cx, |pane, cx| {
2801// pane.add_item(b, false, false, Some(1), cx);
2802// });
2803// assert_item_labels(&pane, ["A", "B*", "C"], cx);
2804
2805// // 1e. Add item to index after same item in last position
2806// let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2807// pane.update(cx, |pane, cx| {
2808// pane.add_item(c, false, false, Some(2), cx);
2809// });
2810// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2811
2812// // 2. Add without a destination index
2813// // 2a. Add with active item at the start of the item list
2814// let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
2815// pane.update(cx, |pane, cx| {
2816// pane.add_item(d, false, false, None, cx);
2817// });
2818// assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
2819
2820// // 2b. Add with active item at the end of the item list
2821// let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
2822// pane.update(cx, |pane, cx| {
2823// pane.add_item(a, false, false, None, cx);
2824// });
2825// assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2826
2827// // 2c. Add active item to active item at end of list
2828// let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
2829// pane.update(cx, |pane, cx| {
2830// pane.add_item(c, false, false, None, cx);
2831// });
2832// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2833
2834// // 2d. Add active item to active item at start of list
2835// let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
2836// pane.update(cx, |pane, cx| {
2837// pane.add_item(a, false, false, None, cx);
2838// });
2839// assert_item_labels(&pane, ["A*", "B", "C"], cx);
2840// }
2841
2842// #[gpui::test]
2843// async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
2844// cx.foreground().forbid_parking();
2845// init_test(cx);
2846// let fs = FakeFs::new(cx.background());
2847
2848// let project = Project::test(fs, None, cx).await;
2849// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2850// let workspace = window.root(cx);
2851// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2852
2853// // singleton view
2854// pane.update(cx, |pane, cx| {
2855// let item = TestItem::new()
2856// .with_singleton(true)
2857// .with_label("buffer 1")
2858// .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)]);
2859
2860// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2861// });
2862// assert_item_labels(&pane, ["buffer 1*"], cx);
2863
2864// // new singleton view with the same project entry
2865// pane.update(cx, |pane, cx| {
2866// let item = TestItem::new()
2867// .with_singleton(true)
2868// .with_label("buffer 1")
2869// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2870
2871// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2872// });
2873// assert_item_labels(&pane, ["buffer 1*"], cx);
2874
2875// // new singleton view with different project entry
2876// pane.update(cx, |pane, cx| {
2877// let item = TestItem::new()
2878// .with_singleton(true)
2879// .with_label("buffer 2")
2880// .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)]);
2881// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2882// });
2883// assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
2884
2885// // new multibuffer view with the same project entry
2886// pane.update(cx, |pane, cx| {
2887// let item = TestItem::new()
2888// .with_singleton(false)
2889// .with_label("multibuffer 1")
2890// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2891
2892// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2893// });
2894// assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
2895
2896// // another multibuffer view with the same project entry
2897// pane.update(cx, |pane, cx| {
2898// let item = TestItem::new()
2899// .with_singleton(false)
2900// .with_label("multibuffer 1b")
2901// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2902
2903// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2904// });
2905// assert_item_labels(
2906// &pane,
2907// ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
2908// cx,
2909// );
2910// }
2911
2912// #[gpui::test]
2913// async fn test_remove_item_ordering(cx: &mut TestAppContext) {
2914// init_test(cx);
2915// let fs = FakeFs::new(cx.background());
2916
2917// let project = Project::test(fs, None, cx).await;
2918// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2919// let workspace = window.root(cx);
2920// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2921
2922// add_labeled_item(&pane, "A", false, cx);
2923// add_labeled_item(&pane, "B", false, cx);
2924// add_labeled_item(&pane, "C", false, cx);
2925// add_labeled_item(&pane, "D", false, cx);
2926// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2927
2928// pane.update(cx, |pane, cx| pane.activate_item(1, false, false, cx));
2929// add_labeled_item(&pane, "1", false, cx);
2930// assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
2931
2932// pane.update(cx, |pane, cx| {
2933// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2934// })
2935// .unwrap()
2936// .await
2937// .unwrap();
2938// assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
2939
2940// pane.update(cx, |pane, cx| pane.activate_item(3, false, false, cx));
2941// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2942
2943// pane.update(cx, |pane, cx| {
2944// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2945// })
2946// .unwrap()
2947// .await
2948// .unwrap();
2949// assert_item_labels(&pane, ["A", "B*", "C"], cx);
2950
2951// pane.update(cx, |pane, cx| {
2952// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2953// })
2954// .unwrap()
2955// .await
2956// .unwrap();
2957// assert_item_labels(&pane, ["A", "C*"], cx);
2958
2959// pane.update(cx, |pane, cx| {
2960// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2961// })
2962// .unwrap()
2963// .await
2964// .unwrap();
2965// assert_item_labels(&pane, ["A*"], cx);
2966// }
2967
2968// #[gpui::test]
2969// async fn test_close_inactive_items(cx: &mut TestAppContext) {
2970// init_test(cx);
2971// let fs = FakeFs::new(cx.background());
2972
2973// let project = Project::test(fs, None, cx).await;
2974// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2975// let workspace = window.root(cx);
2976// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2977
2978// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2979
2980// pane.update(cx, |pane, cx| {
2981// pane.close_inactive_items(&CloseInactiveItems, cx)
2982// })
2983// .unwrap()
2984// .await
2985// .unwrap();
2986// assert_item_labels(&pane, ["C*"], cx);
2987// }
2988
2989// #[gpui::test]
2990// async fn test_close_clean_items(cx: &mut TestAppContext) {
2991// init_test(cx);
2992// let fs = FakeFs::new(cx.background());
2993
2994// let project = Project::test(fs, None, cx).await;
2995// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2996// let workspace = window.root(cx);
2997// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2998
2999// add_labeled_item(&pane, "A", true, cx);
3000// add_labeled_item(&pane, "B", false, cx);
3001// add_labeled_item(&pane, "C", true, cx);
3002// add_labeled_item(&pane, "D", false, cx);
3003// add_labeled_item(&pane, "E", false, cx);
3004// assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
3005
3006// pane.update(cx, |pane, cx| pane.close_clean_items(&CloseCleanItems, cx))
3007// .unwrap()
3008// .await
3009// .unwrap();
3010// assert_item_labels(&pane, ["A^", "C*^"], cx);
3011// }
3012
3013// #[gpui::test]
3014// async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
3015// init_test(cx);
3016// let fs = FakeFs::new(cx.background());
3017
3018// let project = Project::test(fs, None, cx).await;
3019// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
3020// let workspace = window.root(cx);
3021// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3022
3023// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
3024
3025// pane.update(cx, |pane, cx| {
3026// pane.close_items_to_the_left(&CloseItemsToTheLeft, cx)
3027// })
3028// .unwrap()
3029// .await
3030// .unwrap();
3031// assert_item_labels(&pane, ["C*", "D", "E"], cx);
3032// }
3033
3034// #[gpui::test]
3035// async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
3036// init_test(cx);
3037// let fs = FakeFs::new(cx.background());
3038
3039// let project = Project::test(fs, None, cx).await;
3040// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
3041// let workspace = window.root(cx);
3042// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3043
3044// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
3045
3046// pane.update(cx, |pane, cx| {
3047// pane.close_items_to_the_right(&CloseItemsToTheRight, cx)
3048// })
3049// .unwrap()
3050// .await
3051// .unwrap();
3052// assert_item_labels(&pane, ["A", "B", "C*"], cx);
3053// }
3054
3055// #[gpui::test]
3056// async fn test_close_all_items(cx: &mut TestAppContext) {
3057// init_test(cx);
3058// let fs = FakeFs::new(cx.background());
3059
3060// let project = Project::test(fs, None, cx).await;
3061// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
3062// let workspace = window.root(cx);
3063// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3064
3065// add_labeled_item(&pane, "A", false, cx);
3066// add_labeled_item(&pane, "B", false, cx);
3067// add_labeled_item(&pane, "C", false, cx);
3068// assert_item_labels(&pane, ["A", "B", "C*"], cx);
3069
3070// pane.update(cx, |pane, cx| {
3071// pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
3072// })
3073// .unwrap()
3074// .await
3075// .unwrap();
3076// assert_item_labels(&pane, [], cx);
3077
3078// add_labeled_item(&pane, "A", true, cx);
3079// add_labeled_item(&pane, "B", true, cx);
3080// add_labeled_item(&pane, "C", true, cx);
3081// assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
3082
3083// let save = pane
3084// .update(cx, |pane, cx| {
3085// pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
3086// })
3087// .unwrap();
3088
3089// cx.foreground().run_until_parked();
3090// window.simulate_prompt_answer(2, cx);
3091// save.await.unwrap();
3092// assert_item_labels(&pane, [], cx);
3093// }
3094
3095// fn init_test(cx: &mut TestAppContext) {
3096// cx.update(|cx| {
3097// cx.set_global(SettingsStore::test(cx));
3098// theme::init((), cx);
3099// crate::init_settings(cx);
3100// Project::init_settings(cx);
3101// });
3102// }
3103
3104// fn add_labeled_item(
3105// pane: &ViewHandle<Pane>,
3106// label: &str,
3107// is_dirty: bool,
3108// cx: &mut TestAppContext,
3109// ) -> Box<ViewHandle<TestItem>> {
3110// pane.update(cx, |pane, cx| {
3111// let labeled_item =
3112// Box::new(cx.add_view(|_| TestItem::new().with_label(label).with_dirty(is_dirty)));
3113// pane.add_item(labeled_item.clone(), false, false, None, cx);
3114// labeled_item
3115// })
3116// }
3117
3118// fn set_labeled_items<const COUNT: usize>(
3119// pane: &ViewHandle<Pane>,
3120// labels: [&str; COUNT],
3121// cx: &mut TestAppContext,
3122// ) -> [Box<ViewHandle<TestItem>>; COUNT] {
3123// pane.update(cx, |pane, cx| {
3124// pane.items.clear();
3125// let mut active_item_index = 0;
3126
3127// let mut index = 0;
3128// let items = labels.map(|mut label| {
3129// if label.ends_with("*") {
3130// label = label.trim_end_matches("*");
3131// active_item_index = index;
3132// }
3133
3134// let labeled_item = Box::new(cx.add_view(|_| TestItem::new().with_label(label)));
3135// pane.add_item(labeled_item.clone(), false, false, None, cx);
3136// index += 1;
3137// labeled_item
3138// });
3139
3140// pane.activate_item(active_item_index, false, false, cx);
3141
3142// items
3143// })
3144// }
3145
3146// // Assert the item label, with the active item label suffixed with a '*'
3147// fn assert_item_labels<const COUNT: usize>(
3148// pane: &ViewHandle<Pane>,
3149// expected_states: [&str; COUNT],
3150// cx: &mut TestAppContext,
3151// ) {
3152// pane.read_with(cx, |pane, cx| {
3153// let actual_states = pane
3154// .items
3155// .iter()
3156// .enumerate()
3157// .map(|(ix, item)| {
3158// let mut state = item
3159// .as_any()
3160// .downcast_ref::<TestItem>()
3161// .unwrap()
3162// .read(cx)
3163// .label
3164// .clone();
3165// if ix == pane.active_item_index {
3166// state.push('*');
3167// }
3168// if item.is_dirty(cx) {
3169// state.push('^');
3170// }
3171// state
3172// })
3173// .collect::<Vec<_>>();
3174
3175// assert_eq!(
3176// actual_states, expected_states,
3177// "pane items do not match expectation"
3178// );
3179// })
3180// }
3181// }
3182
3183#[derive(Clone, Debug)]
3184struct DraggedTab {
3185 title: String,
3186}
3187
3188impl Render for DraggedTab {
3189 type Element = Div;
3190
3191 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
3192 div().w_8().h_4().bg(gpui::red())
3193 }
3194}