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 cx,
1535 )
1536 .action("Close Inactive Items", CloseInactiveItems.boxed_clone(), cx)
1537 .action("Close Clean Items", CloseCleanItems.boxed_clone(), cx)
1538 .action(
1539 "Close Items To The Left",
1540 CloseItemsToTheLeft.boxed_clone(),
1541 cx,
1542 )
1543 .action(
1544 "Close Items To The Right",
1545 CloseItemsToTheRight.boxed_clone(),
1546 cx,
1547 )
1548 .action(
1549 "Close All Items",
1550 CloseAllItems { save_intent: None }.boxed_clone(),
1551 cx,
1552 )
1553 })
1554 })
1555 }
1556
1557 fn render_tab_bar(&mut self, cx: &mut ViewContext<'_, Pane>) -> impl IntoElement {
1558 div()
1559 .id("tab_bar")
1560 .group("tab_bar")
1561 .track_focus(&self.tab_bar_focus_handle)
1562 .w_full()
1563 // 30px @ 16px/rem
1564 .h(rems(1.875))
1565 .overflow_hidden()
1566 .flex()
1567 .flex_none()
1568 .bg(cx.theme().colors().tab_bar_background)
1569 // Left Side
1570 .child(
1571 h_stack()
1572 .px_2()
1573 .flex()
1574 .flex_none()
1575 .gap_1()
1576 // Nav Buttons
1577 .child(
1578 div().border().border_color(gpui::red()).child(
1579 IconButton::new("navigate_backward", Icon::ArrowLeft)
1580 .on_click({
1581 let view = cx.view().clone();
1582 move |_, cx| view.update(cx, Self::navigate_backward)
1583 })
1584 .disabled(!self.can_navigate_backward()),
1585 ),
1586 )
1587 .child(
1588 div().border().border_color(gpui::red()).child(
1589 IconButton::new("navigate_forward", Icon::ArrowRight)
1590 .on_click({
1591 let view = cx.view().clone();
1592 move |_, cx| view.update(cx, Self::navigate_backward)
1593 })
1594 .disabled(!self.can_navigate_forward()),
1595 ),
1596 ),
1597 )
1598 .child(
1599 div().flex_1().h_full().child(
1600 div().id("tabs").flex().overflow_x_scroll().children(
1601 self.items
1602 .iter()
1603 .enumerate()
1604 .zip(self.tab_details(cx))
1605 .map(|((ix, item), detail)| self.render_tab(ix, item, detail, cx)),
1606 ),
1607 ),
1608 )
1609 // Right Side
1610 .child(
1611 div()
1612 .px_1()
1613 .flex()
1614 .flex_none()
1615 .gap_2()
1616 // Nav Buttons
1617 .child(
1618 div()
1619 .flex()
1620 .items_center()
1621 .gap_px()
1622 .child(
1623 div()
1624 .bg(gpui::blue())
1625 .border()
1626 .border_color(gpui::red())
1627 .child(IconButton::new("plus", Icon::Plus).on_click(
1628 cx.listener(|this, _, cx| {
1629 let menu = ContextMenu::build(cx, |menu, cx| {
1630 menu.action("New File", NewFile.boxed_clone(), cx)
1631 .action(
1632 "New Terminal",
1633 NewCenterTerminal.boxed_clone(),
1634 cx,
1635 )
1636 .action(
1637 "New Search",
1638 NewSearch.boxed_clone(),
1639 cx,
1640 )
1641 });
1642 cx.subscribe(
1643 &menu,
1644 |this, _, event: &DismissEvent, cx| {
1645 this.focus(cx);
1646 this.new_item_menu = None;
1647 },
1648 )
1649 .detach();
1650 this.new_item_menu = Some(menu);
1651 }),
1652 ))
1653 .when_some(self.new_item_menu.as_ref(), |el, new_item_menu| {
1654 el.child(Self::render_menu_overlay(new_item_menu))
1655 }),
1656 )
1657 .child(
1658 div()
1659 .border()
1660 .border_color(gpui::red())
1661 .child(IconButton::new("split", Icon::Split).on_click(
1662 cx.listener(|this, _, cx| {
1663 let menu = ContextMenu::build(cx, |menu, cx| {
1664 menu.action(
1665 "Split Right",
1666 SplitRight.boxed_clone(),
1667 cx,
1668 )
1669 .action("Split Left", SplitLeft.boxed_clone(), cx)
1670 .action("Split Up", SplitUp.boxed_clone(), cx)
1671 .action("Split Down", SplitDown.boxed_clone(), cx)
1672 });
1673 cx.subscribe(
1674 &menu,
1675 |this, _, event: &DismissEvent, cx| {
1676 this.focus(cx);
1677 this.split_item_menu = None;
1678 },
1679 )
1680 .detach();
1681 this.split_item_menu = Some(menu);
1682 }),
1683 ))
1684 .when_some(
1685 self.split_item_menu.as_ref(),
1686 |el, split_item_menu| {
1687 el.child(Self::render_menu_overlay(split_item_menu))
1688 },
1689 ),
1690 ),
1691 ),
1692 )
1693 }
1694
1695 fn render_menu_overlay(menu: &View<ContextMenu>) -> Div {
1696 div()
1697 .absolute()
1698 .z_index(1)
1699 .bottom_0()
1700 .right_0()
1701 .size_0()
1702 .child(overlay().anchor(AnchorCorner::TopRight).child(menu.clone()))
1703 }
1704
1705 // fn render_tabs(&mut self, cx: &mut ViewContext<Self>) -> impl Element<Self> {
1706 // let theme = theme::current(cx).clone();
1707
1708 // let pane = cx.handle().downgrade();
1709 // let autoscroll = if mem::take(&mut self.autoscroll) {
1710 // Some(self.active_item_index)
1711 // } else {
1712 // None
1713 // };
1714
1715 // let pane_active = self.has_focus;
1716
1717 // enum Tabs {}
1718 // let mut row = Flex::row().scrollable::<Tabs>(1, autoscroll, cx);
1719 // for (ix, (item, detail)) in self
1720 // .items
1721 // .iter()
1722 // .cloned()
1723 // .zip(self.tab_details(cx))
1724 // .enumerate()
1725 // {
1726 // let git_status = item
1727 // .project_path(cx)
1728 // .and_then(|path| self.project.read(cx).entry_for_path(&path, cx))
1729 // .and_then(|entry| entry.git_status());
1730
1731 // let detail = if detail == 0 { None } else { Some(detail) };
1732 // let tab_active = ix == self.active_item_index;
1733
1734 // row.add_child({
1735 // enum TabDragReceiver {}
1736 // let mut receiver =
1737 // dragged_item_receiver::<TabDragReceiver, _, _>(self, ix, ix, true, None, cx, {
1738 // let item = item.clone();
1739 // let pane = pane.clone();
1740 // let detail = detail.clone();
1741
1742 // let theme = theme::current(cx).clone();
1743 // let mut tooltip_theme = theme.tooltip.clone();
1744 // tooltip_theme.max_text_width = None;
1745 // let tab_tooltip_text =
1746 // item.tab_tooltip_text(cx).map(|text| text.into_owned());
1747
1748 // let mut tab_style = theme
1749 // .workspace
1750 // .tab_bar
1751 // .tab_style(pane_active, tab_active)
1752 // .clone();
1753 // let should_show_status = settings::get::<ItemSettings>(cx).git_status;
1754 // if should_show_status && git_status != None {
1755 // tab_style.label.text.color = match git_status.unwrap() {
1756 // GitFileStatus::Added => tab_style.git.inserted,
1757 // GitFileStatus::Modified => tab_style.git.modified,
1758 // GitFileStatus::Conflict => tab_style.git.conflict,
1759 // };
1760 // }
1761
1762 // move |mouse_state, cx| {
1763 // let hovered = mouse_state.hovered();
1764
1765 // enum Tab {}
1766 // let mouse_event_handler =
1767 // MouseEventHandler::new::<Tab, _>(ix, cx, |_, cx| {
1768 // Self::render_tab(
1769 // &item,
1770 // pane.clone(),
1771 // ix == 0,
1772 // detail,
1773 // hovered,
1774 // &tab_style,
1775 // cx,
1776 // )
1777 // })
1778 // .on_down(MouseButton::Left, move |_, this, cx| {
1779 // this.activate_item(ix, true, true, cx);
1780 // })
1781 // .on_click(MouseButton::Middle, {
1782 // let item_id = item.id();
1783 // move |_, pane, cx| {
1784 // pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1785 // .detach_and_log_err(cx);
1786 // }
1787 // })
1788 // .on_down(
1789 // MouseButton::Right,
1790 // move |event, pane, cx| {
1791 // pane.deploy_tab_context_menu(event.position, item.id(), cx);
1792 // },
1793 // );
1794
1795 // if let Some(tab_tooltip_text) = tab_tooltip_text {
1796 // mouse_event_handler
1797 // .with_tooltip::<Self>(
1798 // ix,
1799 // tab_tooltip_text,
1800 // None,
1801 // tooltip_theme,
1802 // cx,
1803 // )
1804 // .into_any()
1805 // } else {
1806 // mouse_event_handler.into_any()
1807 // }
1808 // }
1809 // });
1810
1811 // if !pane_active || !tab_active {
1812 // receiver = receiver.with_cursor_style(CursorStyle::PointingHand);
1813 // }
1814
1815 // receiver.as_draggable(
1816 // DraggedItem {
1817 // handle: item,
1818 // pane: pane.clone(),
1819 // },
1820 // {
1821 // let theme = theme::current(cx).clone();
1822
1823 // let detail = detail.clone();
1824 // move |_, dragged_item: &DraggedItem, cx: &mut ViewContext<Workspace>| {
1825 // let tab_style = &theme.workspace.tab_bar.dragged_tab;
1826 // Self::render_dragged_tab(
1827 // &dragged_item.handle,
1828 // dragged_item.pane.clone(),
1829 // false,
1830 // detail,
1831 // false,
1832 // &tab_style,
1833 // cx,
1834 // )
1835 // }
1836 // },
1837 // )
1838 // })
1839 // }
1840
1841 // // Use the inactive tab style along with the current pane's active status to decide how to render
1842 // // the filler
1843 // let filler_index = self.items.len();
1844 // let filler_style = theme.workspace.tab_bar.tab_style(pane_active, false);
1845 // enum Filler {}
1846 // row.add_child(
1847 // dragged_item_receiver::<Filler, _, _>(self, 0, filler_index, true, None, cx, |_, _| {
1848 // Empty::new()
1849 // .contained()
1850 // .with_style(filler_style.container)
1851 // .with_border(filler_style.container.border)
1852 // })
1853 // .flex(1., true)
1854 // .into_any_named("filler"),
1855 // );
1856
1857 // row
1858 // }
1859
1860 fn tab_details(&self, cx: &AppContext) -> Vec<usize> {
1861 let mut tab_details = self.items.iter().map(|_| 0).collect::<Vec<_>>();
1862
1863 let mut tab_descriptions = HashMap::default();
1864 let mut done = false;
1865 while !done {
1866 done = true;
1867
1868 // Store item indices by their tab description.
1869 for (ix, (item, detail)) in self.items.iter().zip(&tab_details).enumerate() {
1870 if let Some(description) = item.tab_description(*detail, cx) {
1871 if *detail == 0
1872 || Some(&description) != item.tab_description(detail - 1, cx).as_ref()
1873 {
1874 tab_descriptions
1875 .entry(description)
1876 .or_insert(Vec::new())
1877 .push(ix);
1878 }
1879 }
1880 }
1881
1882 // If two or more items have the same tab description, increase eir level
1883 // of detail and try again.
1884 for (_, item_ixs) in tab_descriptions.drain() {
1885 if item_ixs.len() > 1 {
1886 done = false;
1887 for ix in item_ixs {
1888 tab_details[ix] += 1;
1889 }
1890 }
1891 }
1892 }
1893
1894 tab_details
1895 }
1896
1897 // fn render_tab(
1898 // item: &Box<dyn ItemHandle>,
1899 // pane: WeakView<Pane>,
1900 // first: bool,
1901 // detail: Option<usize>,
1902 // hovered: bool,
1903 // tab_style: &theme::Tab,
1904 // cx: &mut ViewContext<Self>,
1905 // ) -> AnyElement<Self> {
1906 // let title = item.tab_content(detail, &tab_style, cx);
1907 // Self::render_tab_with_title(title, item, pane, first, hovered, tab_style, cx)
1908 // }
1909
1910 // fn render_dragged_tab(
1911 // item: &Box<dyn ItemHandle>,
1912 // pane: WeakView<Pane>,
1913 // first: bool,
1914 // detail: Option<usize>,
1915 // hovered: bool,
1916 // tab_style: &theme::Tab,
1917 // cx: &mut ViewContext<Workspace>,
1918 // ) -> AnyElement<Workspace> {
1919 // let title = item.dragged_tab_content(detail, &tab_style, cx);
1920 // Self::render_tab_with_title(title, item, pane, first, hovered, tab_style, cx)
1921 // }
1922
1923 // fn render_tab_with_title<T: View>(
1924 // title: AnyElement<T>,
1925 // item: &Box<dyn ItemHandle>,
1926 // pane: WeakView<Pane>,
1927 // first: bool,
1928 // hovered: bool,
1929 // tab_style: &theme::Tab,
1930 // cx: &mut ViewContext<T>,
1931 // ) -> AnyElement<T> {
1932 // let mut container = tab_style.container.clone();
1933 // if first {
1934 // container.border.left = false;
1935 // }
1936
1937 // let buffer_jewel_element = {
1938 // let diameter = 7.0;
1939 // let icon_color = if item.has_conflict(cx) {
1940 // Some(tab_style.icon_conflict)
1941 // } else if item.is_dirty(cx) {
1942 // Some(tab_style.icon_dirty)
1943 // } else {
1944 // None
1945 // };
1946
1947 // Canvas::new(move |bounds, _, _, cx| {
1948 // if let Some(color) = icon_color {
1949 // let square = RectF::new(bounds.origin(), vec2f(diameter, diameter));
1950 // cx.scene().push_quad(Quad {
1951 // bounds: square,
1952 // background: Some(color),
1953 // border: Default::default(),
1954 // corner_radii: (diameter / 2.).into(),
1955 // });
1956 // }
1957 // })
1958 // .constrained()
1959 // .with_width(diameter)
1960 // .with_height(diameter)
1961 // .aligned()
1962 // };
1963
1964 // let title_element = title.aligned().contained().with_style(ContainerStyle {
1965 // margin: Margin {
1966 // left: tab_style.spacing,
1967 // right: tab_style.spacing,
1968 // ..Default::default()
1969 // },
1970 // ..Default::default()
1971 // });
1972
1973 // let close_element = if hovered {
1974 // let item_id = item.id();
1975 // enum TabCloseButton {}
1976 // let icon = Svg::new("icons/x.svg");
1977 // MouseEventHandler::new::<TabCloseButton, _>(item_id, cx, |mouse_state, _| {
1978 // if mouse_state.hovered() {
1979 // icon.with_color(tab_style.icon_close_active)
1980 // } else {
1981 // icon.with_color(tab_style.icon_close)
1982 // }
1983 // })
1984 // .with_padding(Padding::uniform(4.))
1985 // .with_cursor_style(CursorStyle::PointingHand)
1986 // .on_click(MouseButton::Left, {
1987 // let pane = pane.clone();
1988 // move |_, _, cx| {
1989 // let pane = pane.clone();
1990 // cx.window_context().defer(move |cx| {
1991 // if let Some(pane) = pane.upgrade(cx) {
1992 // pane.update(cx, |pane, cx| {
1993 // pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1994 // .detach_and_log_err(cx);
1995 // });
1996 // }
1997 // });
1998 // }
1999 // })
2000 // .into_any_named("close-tab-icon")
2001 // .constrained()
2002 // } else {
2003 // Empty::new().constrained()
2004 // }
2005 // .with_width(tab_style.close_icon_width)
2006 // .aligned();
2007
2008 // let close_right = settings::get::<ItemSettings>(cx).close_position.right();
2009
2010 // if close_right {
2011 // Flex::row()
2012 // .with_child(buffer_jewel_element)
2013 // .with_child(title_element)
2014 // .with_child(close_element)
2015 // } else {
2016 // Flex::row()
2017 // .with_child(close_element)
2018 // .with_child(title_element)
2019 // .with_child(buffer_jewel_element)
2020 // }
2021 // .contained()
2022 // .with_style(container)
2023 // .constrained()
2024 // .with_height(tab_style.height)
2025 // .into_any()
2026 // }
2027
2028 // pub fn render_tab_bar_button<
2029 // F1: 'static + Fn(&mut Pane, &mut EventContext<Pane>),
2030 // F2: 'static + Fn(&mut Pane, &mut EventContext<Pane>),
2031 // >(
2032 // index: usize,
2033 // icon: &'static str,
2034 // is_active: bool,
2035 // tooltip: Option<(&'static str, Option<Box<dyn Action>>)>,
2036 // cx: &mut ViewContext<Pane>,
2037 // on_click: F1,
2038 // on_down: F2,
2039 // context_menu: Option<ViewHandle<ContextMenu>>,
2040 // ) -> AnyElement<Pane> {
2041 // enum TabBarButton {}
2042
2043 // let mut button = MouseEventHandler::new::<TabBarButton, _>(index, cx, |mouse_state, cx| {
2044 // let theme = &settings2::get::<ThemeSettings>(cx).theme.workspace.tab_bar;
2045 // let style = theme.pane_button.in_state(is_active).style_for(mouse_state);
2046 // Svg::new(icon)
2047 // .with_color(style.color)
2048 // .constrained()
2049 // .with_width(style.icon_width)
2050 // .aligned()
2051 // .constrained()
2052 // .with_width(style.button_width)
2053 // .with_height(style.button_width)
2054 // })
2055 // .with_cursor_style(CursorStyle::PointingHand)
2056 // .on_down(MouseButton::Left, move |_, pane, cx| on_down(pane, cx))
2057 // .on_click(MouseButton::Left, move |_, pane, cx| on_click(pane, cx))
2058 // .into_any();
2059 // if let Some((tooltip, action)) = tooltip {
2060 // let tooltip_style = settings::get::<ThemeSettings>(cx).theme.tooltip.clone();
2061 // button = button
2062 // .with_tooltip::<TabBarButton>(index, tooltip, action, tooltip_style, cx)
2063 // .into_any();
2064 // }
2065
2066 // Stack::new()
2067 // .with_child(button)
2068 // .with_children(
2069 // context_menu.map(|menu| ChildView::new(&menu, cx).aligned().bottom().right()),
2070 // )
2071 // .flex(1., false)
2072 // .into_any_named("tab bar button")
2073 // }
2074
2075 // fn render_blank_pane(&self, theme: &Theme, _cx: &mut ViewContext<Self>) -> AnyElement<Self> {
2076 // let background = theme.workspace.background;
2077 // Empty::new()
2078 // .contained()
2079 // .with_background_color(background)
2080 // .into_any()
2081 // }
2082
2083 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
2084 self.zoomed = zoomed;
2085 cx.notify();
2086 }
2087
2088 pub fn is_zoomed(&self) -> bool {
2089 self.zoomed
2090 }
2091}
2092
2093impl FocusableView for Pane {
2094 fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
2095 self.focus_handle.clone()
2096 }
2097}
2098
2099impl Render for Pane {
2100 type Element = Focusable<Div>;
2101
2102 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
2103 let this = cx.view().downgrade();
2104
2105 v_stack()
2106 .key_context("Pane")
2107 .track_focus(&self.focus_handle)
2108 .on_focus_in({
2109 let this = this.clone();
2110 move |event, cx| {
2111 this.update(cx, |this, cx| this.focus_in(cx)).ok();
2112 }
2113 })
2114 .on_focus_out({
2115 let this = this.clone();
2116 move |event, cx| {
2117 this.update(cx, |this, cx| this.focus_out(cx)).ok();
2118 }
2119 })
2120 .on_action(cx.listener(|pane, _: &SplitLeft, cx| pane.split(SplitDirection::Left, cx)))
2121 .on_action(cx.listener(|pane, _: &SplitUp, cx| pane.split(SplitDirection::Up, cx)))
2122 .on_action(
2123 cx.listener(|pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx)),
2124 )
2125 .on_action(cx.listener(|pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx)))
2126 .on_action(cx.listener(|pane, _: &GoBack, cx| pane.navigate_backward(cx)))
2127 .on_action(cx.listener(|pane, _: &GoForward, cx| pane.navigate_forward(cx)))
2128 .on_action(cx.listener(Pane::toggle_zoom))
2129 .on_action(cx.listener(|pane: &mut Pane, action: &ActivateItem, cx| {
2130 pane.activate_item(action.0, true, true, cx);
2131 }))
2132 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateLastItem, cx| {
2133 pane.activate_item(pane.items.len() - 1, true, true, cx);
2134 }))
2135 .on_action(cx.listener(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
2136 pane.activate_prev_item(true, cx);
2137 }))
2138 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateNextItem, cx| {
2139 pane.activate_next_item(true, cx);
2140 }))
2141 .on_action(
2142 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2143 pane.close_active_item(action, cx)
2144 .map(|task| task.detach_and_log_err(cx));
2145 }),
2146 )
2147 .on_action(
2148 cx.listener(|pane: &mut Self, action: &CloseInactiveItems, cx| {
2149 pane.close_inactive_items(action, cx)
2150 .map(|task| task.detach_and_log_err(cx));
2151 }),
2152 )
2153 .on_action(
2154 cx.listener(|pane: &mut Self, action: &CloseCleanItems, cx| {
2155 pane.close_clean_items(action, cx)
2156 .map(|task| task.detach_and_log_err(cx));
2157 }),
2158 )
2159 .on_action(
2160 cx.listener(|pane: &mut Self, action: &CloseItemsToTheLeft, cx| {
2161 pane.close_items_to_the_left(action, cx)
2162 .map(|task| task.detach_and_log_err(cx));
2163 }),
2164 )
2165 .on_action(
2166 cx.listener(|pane: &mut Self, action: &CloseItemsToTheRight, cx| {
2167 pane.close_items_to_the_right(action, cx)
2168 .map(|task| task.detach_and_log_err(cx));
2169 }),
2170 )
2171 .on_action(cx.listener(|pane: &mut Self, action: &CloseAllItems, cx| {
2172 pane.close_all_items(action, cx)
2173 .map(|task| task.detach_and_log_err(cx));
2174 }))
2175 .size_full()
2176 .on_action(
2177 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2178 pane.close_active_item(action, cx)
2179 .map(|task| task.detach_and_log_err(cx));
2180 }),
2181 )
2182 .child(self.render_tab_bar(cx))
2183 .child(self.toolbar.clone())
2184 .child(if let Some(item) = self.active_item() {
2185 div().flex().flex_1().child(item.to_any())
2186 } else {
2187 h_stack()
2188 .items_center()
2189 .size_full()
2190 .justify_center()
2191 .child(Label::new("Open a file or project to get started.").color(Color::Muted))
2192 })
2193
2194 // enum MouseNavigationHandler {}
2195
2196 // MouseEventHandler::new::<MouseNavigationHandler, _>(0, cx, |_, cx| {
2197 // let active_item_index = self.active_item_index;
2198
2199 // if let Some(active_item) = self.active_item() {
2200 // Flex::column()
2201 // .with_child({
2202 // let theme = theme::current(cx).clone();
2203
2204 // let mut stack = Stack::new();
2205
2206 // enum TabBarEventHandler {}
2207 // stack.add_child(
2208 // MouseEventHandler::new::<TabBarEventHandler, _>(0, cx, |_, _| {
2209 // Empty::new()
2210 // .contained()
2211 // .with_style(theme.workspace.tab_bar.container)
2212 // })
2213 // .on_down(
2214 // MouseButton::Left,
2215 // move |_, this, cx| {
2216 // this.activate_item(active_item_index, true, true, cx);
2217 // },
2218 // ),
2219 // );
2220 // let tooltip_style = theme.tooltip.clone();
2221 // let tab_bar_theme = theme.workspace.tab_bar.clone();
2222
2223 // let nav_button_height = tab_bar_theme.height;
2224 // let button_style = tab_bar_theme.nav_button;
2225 // let border_for_nav_buttons = tab_bar_theme
2226 // .tab_style(false, false)
2227 // .container
2228 // .border
2229 // .clone();
2230
2231 // let mut tab_row = Flex::row()
2232 // .with_child(nav_button(
2233 // "icons/arrow_left.svg",
2234 // button_style.clone(),
2235 // nav_button_height,
2236 // tooltip_style.clone(),
2237 // self.can_navigate_backward(),
2238 // {
2239 // move |pane, cx| {
2240 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2241 // let pane = cx.weak_handle();
2242 // cx.window_context().defer(move |cx| {
2243 // workspace.update(cx, |workspace, cx| {
2244 // workspace
2245 // .go_back(pane, cx)
2246 // .detach_and_log_err(cx)
2247 // })
2248 // })
2249 // }
2250 // }
2251 // },
2252 // super::GoBack,
2253 // "Go Back",
2254 // cx,
2255 // ))
2256 // .with_child(
2257 // nav_button(
2258 // "icons/arrow_right.svg",
2259 // button_style.clone(),
2260 // nav_button_height,
2261 // tooltip_style,
2262 // self.can_navigate_forward(),
2263 // {
2264 // move |pane, cx| {
2265 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2266 // let pane = cx.weak_handle();
2267 // cx.window_context().defer(move |cx| {
2268 // workspace.update(cx, |workspace, cx| {
2269 // workspace
2270 // .go_forward(pane, cx)
2271 // .detach_and_log_err(cx)
2272 // })
2273 // })
2274 // }
2275 // }
2276 // },
2277 // super::GoForward,
2278 // "Go Forward",
2279 // cx,
2280 // )
2281 // .contained()
2282 // .with_border(border_for_nav_buttons),
2283 // )
2284 // .with_child(self.render_tabs(cx).flex(1., true).into_any_named("tabs"));
2285
2286 // if self.has_focus {
2287 // let render_tab_bar_buttons = self.render_tab_bar_buttons.clone();
2288 // tab_row.add_child(
2289 // (render_tab_bar_buttons)(self, cx)
2290 // .contained()
2291 // .with_style(theme.workspace.tab_bar.pane_button_container)
2292 // .flex(1., false)
2293 // .into_any(),
2294 // )
2295 // }
2296
2297 // stack.add_child(tab_row);
2298 // stack
2299 // .constrained()
2300 // .with_height(theme.workspace.tab_bar.height)
2301 // .flex(1., false)
2302 // .into_any_named("tab bar")
2303 // })
2304 // .with_child({
2305 // enum PaneContentTabDropTarget {}
2306 // dragged_item_receiver::<PaneContentTabDropTarget, _, _>(
2307 // self,
2308 // 0,
2309 // self.active_item_index + 1,
2310 // !self.can_split,
2311 // if self.can_split { Some(100.) } else { None },
2312 // cx,
2313 // {
2314 // let toolbar = self.toolbar.clone();
2315 // let toolbar_hidden = toolbar.read(cx).hidden();
2316 // move |_, cx| {
2317 // Flex::column()
2318 // .with_children(
2319 // (!toolbar_hidden)
2320 // .then(|| ChildView::new(&toolbar, cx).expanded()),
2321 // )
2322 // .with_child(
2323 // ChildView::new(active_item.as_any(), cx).flex(1., true),
2324 // )
2325 // }
2326 // },
2327 // )
2328 // .flex(1., true)
2329 // })
2330 // .with_child(ChildView::new(&self.tab_context_menu, cx))
2331 // .into_any()
2332 // } else {
2333 // enum EmptyPane {}
2334 // let theme = theme::current(cx).clone();
2335
2336 // dragged_item_receiver::<EmptyPane, _, _>(self, 0, 0, false, None, cx, |_, cx| {
2337 // self.render_blank_pane(&theme, cx)
2338 // })
2339 // .on_down(MouseButton::Left, |_, _, cx| {
2340 // cx.focus_parent();
2341 // })
2342 // .into_any()
2343 // }
2344 // })
2345 // .on_down(
2346 // MouseButton::Navigate(NavigationDirection::Back),
2347 // move |_, pane, cx| {
2348 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2349 // let pane = cx.weak_handle();
2350 // cx.window_context().defer(move |cx| {
2351 // workspace.update(cx, |workspace, cx| {
2352 // workspace.go_back(pane, cx).detach_and_log_err(cx)
2353 // })
2354 // })
2355 // }
2356 // },
2357 // )
2358 // .on_down(MouseButton::Navigate(NavigationDirection::Forward), {
2359 // move |_, pane, cx| {
2360 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2361 // let pane = cx.weak_handle();
2362 // cx.window_context().defer(move |cx| {
2363 // workspace.update(cx, |workspace, cx| {
2364 // workspace.go_forward(pane, cx).detach_and_log_err(cx)
2365 // })
2366 // })
2367 // }
2368 // }
2369 // })
2370 // .into_any_named("pane")
2371 }
2372
2373 // fn focus_in(&mut self, focused: AnyViewHandle, cx: &mut ViewContext<Self>) {
2374 // if !self.has_focus {
2375 // self.has_focus = true;
2376 // cx.emit(Event::Focus);
2377 // cx.notify();
2378 // }
2379
2380 // self.toolbar.update(cx, |toolbar, cx| {
2381 // toolbar.focus_changed(true, cx);
2382 // });
2383
2384 // if let Some(active_item) = self.active_item() {
2385 // if cx.is_self_focused() {
2386 // // Pane was focused directly. We need to either focus a view inside the active item,
2387 // // or focus the active item itself
2388 // if let Some(weak_last_focused_view) =
2389 // self.last_focused_view_by_item.get(&active_item.id())
2390 // {
2391 // if let Some(last_focused_view) = weak_last_focused_view.upgrade(cx) {
2392 // cx.focus(&last_focused_view);
2393 // return;
2394 // } else {
2395 // self.last_focused_view_by_item.remove(&active_item.id());
2396 // }
2397 // }
2398
2399 // cx.focus(active_item.as_any());
2400 // } else if focused != self.tab_bar_context_menu.handle {
2401 // self.last_focused_view_by_item
2402 // .insert(active_item.id(), focused.downgrade());
2403 // }
2404 // }
2405 // }
2406
2407 // fn focus_out(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
2408 // self.has_focus = false;
2409 // self.toolbar.update(cx, |toolbar, cx| {
2410 // toolbar.focus_changed(false, cx);
2411 // });
2412 // cx.notify();
2413 // }
2414
2415 // fn update_keymap_context(&self, keymap: &mut KeymapContext, _: &AppContext) {
2416 // Self::reset_to_default_keymap_context(keymap);
2417 // }
2418}
2419
2420impl ItemNavHistory {
2421 pub fn push<D: 'static + Send + Any>(&mut self, data: Option<D>, cx: &mut WindowContext) {
2422 self.history.push(data, self.item.clone(), cx);
2423 }
2424
2425 pub fn pop_backward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2426 self.history.pop(NavigationMode::GoingBack, cx)
2427 }
2428
2429 pub fn pop_forward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2430 self.history.pop(NavigationMode::GoingForward, cx)
2431 }
2432}
2433
2434impl NavHistory {
2435 pub fn for_each_entry(
2436 &self,
2437 cx: &AppContext,
2438 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
2439 ) {
2440 let borrowed_history = self.0.lock();
2441 borrowed_history
2442 .forward_stack
2443 .iter()
2444 .chain(borrowed_history.backward_stack.iter())
2445 .chain(borrowed_history.closed_stack.iter())
2446 .for_each(|entry| {
2447 if let Some(project_and_abs_path) =
2448 borrowed_history.paths_by_item.get(&entry.item.id())
2449 {
2450 f(entry, project_and_abs_path.clone());
2451 } else if let Some(item) = entry.item.upgrade() {
2452 if let Some(path) = item.project_path(cx) {
2453 f(entry, (path, None));
2454 }
2455 }
2456 })
2457 }
2458
2459 pub fn set_mode(&mut self, mode: NavigationMode) {
2460 self.0.lock().mode = mode;
2461 }
2462
2463 pub fn mode(&self) -> NavigationMode {
2464 self.0.lock().mode
2465 }
2466
2467 pub fn disable(&mut self) {
2468 self.0.lock().mode = NavigationMode::Disabled;
2469 }
2470
2471 pub fn enable(&mut self) {
2472 self.0.lock().mode = NavigationMode::Normal;
2473 }
2474
2475 pub fn pop(&mut self, mode: NavigationMode, cx: &mut WindowContext) -> Option<NavigationEntry> {
2476 let mut state = self.0.lock();
2477 let entry = match mode {
2478 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
2479 return None
2480 }
2481 NavigationMode::GoingBack => &mut state.backward_stack,
2482 NavigationMode::GoingForward => &mut state.forward_stack,
2483 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
2484 }
2485 .pop_back();
2486 if entry.is_some() {
2487 state.did_update(cx);
2488 }
2489 entry
2490 }
2491
2492 pub fn push<D: 'static + Send + Any>(
2493 &mut self,
2494 data: Option<D>,
2495 item: Arc<dyn WeakItemHandle>,
2496 cx: &mut WindowContext,
2497 ) {
2498 let state = &mut *self.0.lock();
2499 match state.mode {
2500 NavigationMode::Disabled => {}
2501 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
2502 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2503 state.backward_stack.pop_front();
2504 }
2505 state.backward_stack.push_back(NavigationEntry {
2506 item,
2507 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2508 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2509 });
2510 state.forward_stack.clear();
2511 }
2512 NavigationMode::GoingBack => {
2513 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2514 state.forward_stack.pop_front();
2515 }
2516 state.forward_stack.push_back(NavigationEntry {
2517 item,
2518 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2519 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2520 });
2521 }
2522 NavigationMode::GoingForward => {
2523 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2524 state.backward_stack.pop_front();
2525 }
2526 state.backward_stack.push_back(NavigationEntry {
2527 item,
2528 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2529 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2530 });
2531 }
2532 NavigationMode::ClosingItem => {
2533 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2534 state.closed_stack.pop_front();
2535 }
2536 state.closed_stack.push_back(NavigationEntry {
2537 item,
2538 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2539 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2540 });
2541 }
2542 }
2543 state.did_update(cx);
2544 }
2545
2546 pub fn remove_item(&mut self, item_id: EntityId) {
2547 let mut state = self.0.lock();
2548 state.paths_by_item.remove(&item_id);
2549 state
2550 .backward_stack
2551 .retain(|entry| entry.item.id() != item_id);
2552 state
2553 .forward_stack
2554 .retain(|entry| entry.item.id() != item_id);
2555 state
2556 .closed_stack
2557 .retain(|entry| entry.item.id() != item_id);
2558 }
2559
2560 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
2561 self.0.lock().paths_by_item.get(&item_id).cloned()
2562 }
2563}
2564
2565impl NavHistoryState {
2566 pub fn did_update(&self, cx: &mut WindowContext) {
2567 if let Some(pane) = self.pane.upgrade() {
2568 cx.defer(move |cx| {
2569 pane.update(cx, |pane, cx| pane.history_updated(cx));
2570 });
2571 }
2572 }
2573}
2574
2575// pub struct PaneBackdrop<V> {
2576// child_view: usize,
2577// child: AnyElement<V>,
2578// }
2579
2580// impl<V> PaneBackdrop<V> {
2581// pub fn new(pane_item_view: usize, child: AnyElement<V>) -> Self {
2582// PaneBackdrop {
2583// child,
2584// child_view: pane_item_view,
2585// }
2586// }
2587// }
2588
2589// impl<V: 'static> Element<V> for PaneBackdrop<V> {
2590// type LayoutState = ();
2591
2592// type PaintState = ();
2593
2594// fn layout(
2595// &mut self,
2596// constraint: gpui::SizeConstraint,
2597// view: &mut V,
2598// cx: &mut ViewContext<V>,
2599// ) -> (Vector2F, Self::LayoutState) {
2600// let size = self.child.layout(constraint, view, cx);
2601// (size, ())
2602// }
2603
2604// fn paint(
2605// &mut self,
2606// bounds: RectF,
2607// visible_bounds: RectF,
2608// _: &mut Self::LayoutState,
2609// view: &mut V,
2610// cx: &mut ViewContext<V>,
2611// ) -> Self::PaintState {
2612// let background = theme::current(cx).editor.background;
2613
2614// let visible_bounds = bounds.intersection(visible_bounds).unwrap_or_default();
2615
2616// cx.scene().push_quad(gpui::Quad {
2617// bounds: RectF::new(bounds.origin(), bounds.size()),
2618// background: Some(background),
2619// ..Default::default()
2620// });
2621
2622// let child_view_id = self.child_view;
2623// cx.scene().push_mouse_region(
2624// MouseRegion::new::<Self>(child_view_id, 0, visible_bounds).on_down(
2625// gpui::platform::MouseButton::Left,
2626// move |_, _: &mut V, cx| {
2627// let window = cx.window();
2628// cx.app_context().focus(window, Some(child_view_id))
2629// },
2630// ),
2631// );
2632
2633// cx.scene().push_layer(Some(bounds));
2634// self.child.paint(bounds.origin(), visible_bounds, view, cx);
2635// cx.scene().pop_layer();
2636// }
2637
2638// fn rect_for_text_range(
2639// &self,
2640// range_utf16: std::ops::Range<usize>,
2641// _bounds: RectF,
2642// _visible_bounds: RectF,
2643// _layout: &Self::LayoutState,
2644// _paint: &Self::PaintState,
2645// view: &V,
2646// cx: &gpui::ViewContext<V>,
2647// ) -> Option<RectF> {
2648// self.child.rect_for_text_range(range_utf16, view, cx)
2649// }
2650
2651// fn debug(
2652// &self,
2653// _bounds: RectF,
2654// _layout: &Self::LayoutState,
2655// _paint: &Self::PaintState,
2656// view: &V,
2657// cx: &gpui::ViewContext<V>,
2658// ) -> serde_json::Value {
2659// gpui::json::json!({
2660// "type": "Pane Back Drop",
2661// "view": self.child_view,
2662// "child": self.child.debug(view, cx),
2663// })
2664// }
2665// }
2666
2667fn dirty_message_for(buffer_path: Option<ProjectPath>) -> String {
2668 let path = buffer_path
2669 .as_ref()
2670 .and_then(|p| p.path.to_str())
2671 .unwrap_or(&"This buffer");
2672 let path = truncate_and_remove_front(path, 80);
2673 format!("{path} contains unsaved edits. Do you want to save it?")
2674}
2675
2676// todo!("uncomment tests")
2677// #[cfg(test)]
2678// mod tests {
2679// use super::*;
2680// use crate::item::test::{TestItem, TestProjectItem};
2681// use gpui::TestAppContext;
2682// use project::FakeFs;
2683// use settings::SettingsStore;
2684
2685// #[gpui::test]
2686// async fn test_remove_active_empty(cx: &mut TestAppContext) {
2687// init_test(cx);
2688// let fs = FakeFs::new(cx.background());
2689
2690// let project = Project::test(fs, None, cx).await;
2691// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2692// let workspace = window.root(cx);
2693// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2694
2695// pane.update(cx, |pane, cx| {
2696// assert!(pane
2697// .close_active_item(&CloseActiveItem { save_intent: None }, cx)
2698// .is_none())
2699// });
2700// }
2701
2702// #[gpui::test]
2703// async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
2704// cx.foreground().forbid_parking();
2705// init_test(cx);
2706// let fs = FakeFs::new(cx.background());
2707
2708// let project = Project::test(fs, None, cx).await;
2709// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2710// let workspace = window.root(cx);
2711// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2712
2713// // 1. Add with a destination index
2714// // a. Add before the active item
2715// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2716// pane.update(cx, |pane, cx| {
2717// pane.add_item(
2718// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2719// false,
2720// false,
2721// Some(0),
2722// cx,
2723// );
2724// });
2725// assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2726
2727// // b. Add after the active item
2728// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2729// pane.update(cx, |pane, cx| {
2730// pane.add_item(
2731// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2732// false,
2733// false,
2734// Some(2),
2735// cx,
2736// );
2737// });
2738// assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2739
2740// // c. Add at the end of the item list (including off the length)
2741// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2742// pane.update(cx, |pane, cx| {
2743// pane.add_item(
2744// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2745// false,
2746// false,
2747// Some(5),
2748// cx,
2749// );
2750// });
2751// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2752
2753// // 2. Add without a destination index
2754// // a. Add with active item at the start of the item list
2755// set_labeled_items(&pane, ["A*", "B", "C"], cx);
2756// pane.update(cx, |pane, cx| {
2757// pane.add_item(
2758// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2759// false,
2760// false,
2761// None,
2762// cx,
2763// );
2764// });
2765// set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
2766
2767// // b. Add with active item at the end of the item list
2768// set_labeled_items(&pane, ["A", "B", "C*"], cx);
2769// pane.update(cx, |pane, cx| {
2770// pane.add_item(
2771// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2772// false,
2773// false,
2774// None,
2775// cx,
2776// );
2777// });
2778// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2779// }
2780
2781// #[gpui::test]
2782// async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
2783// cx.foreground().forbid_parking();
2784// init_test(cx);
2785// let fs = FakeFs::new(cx.background());
2786
2787// let project = Project::test(fs, None, cx).await;
2788// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2789// let workspace = window.root(cx);
2790// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2791
2792// // 1. Add with a destination index
2793// // 1a. Add before the active item
2794// let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2795// pane.update(cx, |pane, cx| {
2796// pane.add_item(d, false, false, Some(0), cx);
2797// });
2798// assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2799
2800// // 1b. Add after the active item
2801// let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2802// pane.update(cx, |pane, cx| {
2803// pane.add_item(d, false, false, Some(2), cx);
2804// });
2805// assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2806
2807// // 1c. Add at the end of the item list (including off the length)
2808// let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2809// pane.update(cx, |pane, cx| {
2810// pane.add_item(a, false, false, Some(5), cx);
2811// });
2812// assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2813
2814// // 1d. Add same item to active index
2815// let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2816// pane.update(cx, |pane, cx| {
2817// pane.add_item(b, false, false, Some(1), cx);
2818// });
2819// assert_item_labels(&pane, ["A", "B*", "C"], cx);
2820
2821// // 1e. Add item to index after same item in last position
2822// let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2823// pane.update(cx, |pane, cx| {
2824// pane.add_item(c, false, false, Some(2), cx);
2825// });
2826// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2827
2828// // 2. Add without a destination index
2829// // 2a. Add with active item at the start of the item list
2830// let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
2831// pane.update(cx, |pane, cx| {
2832// pane.add_item(d, false, false, None, cx);
2833// });
2834// assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
2835
2836// // 2b. Add with active item at the end of the item list
2837// let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
2838// pane.update(cx, |pane, cx| {
2839// pane.add_item(a, false, false, None, cx);
2840// });
2841// assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2842
2843// // 2c. Add active item to active item at end of list
2844// let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
2845// pane.update(cx, |pane, cx| {
2846// pane.add_item(c, false, false, None, cx);
2847// });
2848// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2849
2850// // 2d. Add active item to active item at start of list
2851// let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
2852// pane.update(cx, |pane, cx| {
2853// pane.add_item(a, false, false, None, cx);
2854// });
2855// assert_item_labels(&pane, ["A*", "B", "C"], cx);
2856// }
2857
2858// #[gpui::test]
2859// async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
2860// cx.foreground().forbid_parking();
2861// init_test(cx);
2862// let fs = FakeFs::new(cx.background());
2863
2864// let project = Project::test(fs, None, cx).await;
2865// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2866// let workspace = window.root(cx);
2867// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2868
2869// // singleton view
2870// pane.update(cx, |pane, cx| {
2871// let item = TestItem::new()
2872// .with_singleton(true)
2873// .with_label("buffer 1")
2874// .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)]);
2875
2876// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2877// });
2878// assert_item_labels(&pane, ["buffer 1*"], cx);
2879
2880// // new singleton view with the same project entry
2881// pane.update(cx, |pane, cx| {
2882// let item = TestItem::new()
2883// .with_singleton(true)
2884// .with_label("buffer 1")
2885// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2886
2887// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2888// });
2889// assert_item_labels(&pane, ["buffer 1*"], cx);
2890
2891// // new singleton view with different project entry
2892// pane.update(cx, |pane, cx| {
2893// let item = TestItem::new()
2894// .with_singleton(true)
2895// .with_label("buffer 2")
2896// .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)]);
2897// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2898// });
2899// assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
2900
2901// // new multibuffer view with the same project entry
2902// pane.update(cx, |pane, cx| {
2903// let item = TestItem::new()
2904// .with_singleton(false)
2905// .with_label("multibuffer 1")
2906// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2907
2908// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2909// });
2910// assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
2911
2912// // another multibuffer view with the same project entry
2913// pane.update(cx, |pane, cx| {
2914// let item = TestItem::new()
2915// .with_singleton(false)
2916// .with_label("multibuffer 1b")
2917// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2918
2919// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2920// });
2921// assert_item_labels(
2922// &pane,
2923// ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
2924// cx,
2925// );
2926// }
2927
2928// #[gpui::test]
2929// async fn test_remove_item_ordering(cx: &mut TestAppContext) {
2930// init_test(cx);
2931// let fs = FakeFs::new(cx.background());
2932
2933// let project = Project::test(fs, None, cx).await;
2934// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2935// let workspace = window.root(cx);
2936// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2937
2938// add_labeled_item(&pane, "A", false, cx);
2939// add_labeled_item(&pane, "B", false, cx);
2940// add_labeled_item(&pane, "C", false, cx);
2941// add_labeled_item(&pane, "D", false, cx);
2942// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2943
2944// pane.update(cx, |pane, cx| pane.activate_item(1, false, false, cx));
2945// add_labeled_item(&pane, "1", false, cx);
2946// assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
2947
2948// pane.update(cx, |pane, cx| {
2949// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2950// })
2951// .unwrap()
2952// .await
2953// .unwrap();
2954// assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
2955
2956// pane.update(cx, |pane, cx| pane.activate_item(3, false, false, cx));
2957// assert_item_labels(&pane, ["A", "B", "C", "D*"], 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", "B*", "C"], cx);
2966
2967// pane.update(cx, |pane, cx| {
2968// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2969// })
2970// .unwrap()
2971// .await
2972// .unwrap();
2973// assert_item_labels(&pane, ["A", "C*"], cx);
2974
2975// pane.update(cx, |pane, cx| {
2976// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2977// })
2978// .unwrap()
2979// .await
2980// .unwrap();
2981// assert_item_labels(&pane, ["A*"], cx);
2982// }
2983
2984// #[gpui::test]
2985// async fn test_close_inactive_items(cx: &mut TestAppContext) {
2986// init_test(cx);
2987// let fs = FakeFs::new(cx.background());
2988
2989// let project = Project::test(fs, None, cx).await;
2990// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2991// let workspace = window.root(cx);
2992// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2993
2994// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2995
2996// pane.update(cx, |pane, cx| {
2997// pane.close_inactive_items(&CloseInactiveItems, cx)
2998// })
2999// .unwrap()
3000// .await
3001// .unwrap();
3002// assert_item_labels(&pane, ["C*"], cx);
3003// }
3004
3005// #[gpui::test]
3006// async fn test_close_clean_items(cx: &mut TestAppContext) {
3007// init_test(cx);
3008// let fs = FakeFs::new(cx.background());
3009
3010// let project = Project::test(fs, None, cx).await;
3011// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
3012// let workspace = window.root(cx);
3013// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3014
3015// add_labeled_item(&pane, "A", true, cx);
3016// add_labeled_item(&pane, "B", false, cx);
3017// add_labeled_item(&pane, "C", true, cx);
3018// add_labeled_item(&pane, "D", false, cx);
3019// add_labeled_item(&pane, "E", false, cx);
3020// assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
3021
3022// pane.update(cx, |pane, cx| pane.close_clean_items(&CloseCleanItems, cx))
3023// .unwrap()
3024// .await
3025// .unwrap();
3026// assert_item_labels(&pane, ["A^", "C*^"], cx);
3027// }
3028
3029// #[gpui::test]
3030// async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
3031// init_test(cx);
3032// let fs = FakeFs::new(cx.background());
3033
3034// let project = Project::test(fs, None, cx).await;
3035// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
3036// let workspace = window.root(cx);
3037// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3038
3039// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
3040
3041// pane.update(cx, |pane, cx| {
3042// pane.close_items_to_the_left(&CloseItemsToTheLeft, cx)
3043// })
3044// .unwrap()
3045// .await
3046// .unwrap();
3047// assert_item_labels(&pane, ["C*", "D", "E"], cx);
3048// }
3049
3050// #[gpui::test]
3051// async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
3052// init_test(cx);
3053// let fs = FakeFs::new(cx.background());
3054
3055// let project = Project::test(fs, None, cx).await;
3056// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
3057// let workspace = window.root(cx);
3058// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3059
3060// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
3061
3062// pane.update(cx, |pane, cx| {
3063// pane.close_items_to_the_right(&CloseItemsToTheRight, cx)
3064// })
3065// .unwrap()
3066// .await
3067// .unwrap();
3068// assert_item_labels(&pane, ["A", "B", "C*"], cx);
3069// }
3070
3071// #[gpui::test]
3072// async fn test_close_all_items(cx: &mut TestAppContext) {
3073// init_test(cx);
3074// let fs = FakeFs::new(cx.background());
3075
3076// let project = Project::test(fs, None, cx).await;
3077// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
3078// let workspace = window.root(cx);
3079// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3080
3081// add_labeled_item(&pane, "A", false, cx);
3082// add_labeled_item(&pane, "B", false, cx);
3083// add_labeled_item(&pane, "C", false, cx);
3084// assert_item_labels(&pane, ["A", "B", "C*"], cx);
3085
3086// pane.update(cx, |pane, cx| {
3087// pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
3088// })
3089// .unwrap()
3090// .await
3091// .unwrap();
3092// assert_item_labels(&pane, [], cx);
3093
3094// add_labeled_item(&pane, "A", true, cx);
3095// add_labeled_item(&pane, "B", true, cx);
3096// add_labeled_item(&pane, "C", true, cx);
3097// assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
3098
3099// let save = pane
3100// .update(cx, |pane, cx| {
3101// pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
3102// })
3103// .unwrap();
3104
3105// cx.foreground().run_until_parked();
3106// window.simulate_prompt_answer(2, cx);
3107// save.await.unwrap();
3108// assert_item_labels(&pane, [], cx);
3109// }
3110
3111// fn init_test(cx: &mut TestAppContext) {
3112// cx.update(|cx| {
3113// cx.set_global(SettingsStore::test(cx));
3114// theme::init((), cx);
3115// crate::init_settings(cx);
3116// Project::init_settings(cx);
3117// });
3118// }
3119
3120// fn add_labeled_item(
3121// pane: &ViewHandle<Pane>,
3122// label: &str,
3123// is_dirty: bool,
3124// cx: &mut TestAppContext,
3125// ) -> Box<ViewHandle<TestItem>> {
3126// pane.update(cx, |pane, cx| {
3127// let labeled_item =
3128// Box::new(cx.add_view(|_| TestItem::new().with_label(label).with_dirty(is_dirty)));
3129// pane.add_item(labeled_item.clone(), false, false, None, cx);
3130// labeled_item
3131// })
3132// }
3133
3134// fn set_labeled_items<const COUNT: usize>(
3135// pane: &ViewHandle<Pane>,
3136// labels: [&str; COUNT],
3137// cx: &mut TestAppContext,
3138// ) -> [Box<ViewHandle<TestItem>>; COUNT] {
3139// pane.update(cx, |pane, cx| {
3140// pane.items.clear();
3141// let mut active_item_index = 0;
3142
3143// let mut index = 0;
3144// let items = labels.map(|mut label| {
3145// if label.ends_with("*") {
3146// label = label.trim_end_matches("*");
3147// active_item_index = index;
3148// }
3149
3150// let labeled_item = Box::new(cx.add_view(|_| TestItem::new().with_label(label)));
3151// pane.add_item(labeled_item.clone(), false, false, None, cx);
3152// index += 1;
3153// labeled_item
3154// });
3155
3156// pane.activate_item(active_item_index, false, false, cx);
3157
3158// items
3159// })
3160// }
3161
3162// // Assert the item label, with the active item label suffixed with a '*'
3163// fn assert_item_labels<const COUNT: usize>(
3164// pane: &ViewHandle<Pane>,
3165// expected_states: [&str; COUNT],
3166// cx: &mut TestAppContext,
3167// ) {
3168// pane.read_with(cx, |pane, cx| {
3169// let actual_states = pane
3170// .items
3171// .iter()
3172// .enumerate()
3173// .map(|(ix, item)| {
3174// let mut state = item
3175// .as_any()
3176// .downcast_ref::<TestItem>()
3177// .unwrap()
3178// .read(cx)
3179// .label
3180// .clone();
3181// if ix == pane.active_item_index {
3182// state.push('*');
3183// }
3184// if item.is_dirty(cx) {
3185// state.push('^');
3186// }
3187// state
3188// })
3189// .collect::<Vec<_>>();
3190
3191// assert_eq!(
3192// actual_states, expected_states,
3193// "pane items do not match expectation"
3194// );
3195// })
3196// }
3197// }
3198
3199#[derive(Clone, Debug)]
3200struct DraggedTab {
3201 title: String,
3202}
3203
3204impl Render for DraggedTab {
3205 type Element = Div;
3206
3207 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
3208 div().w_8().h_4().bg(gpui::red())
3209 }
3210}