1use crate::{
2 item::{ClosePosition, 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, MouseButton, NavigationDirection, Pixels, Point, PromptLevel, Render,
13 Task, View, ViewContext, 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, ButtonSize, Color, Icon, IconButton, IconSize,
31 Indicator, Label, Tab, TabPosition, Tooltip,
32};
33use ui::{v_stack, ContextMenu};
34use util::{maybe, truncate_and_remove_front};
35
36#[derive(PartialEq, Clone, Copy, Deserialize, Debug)]
37#[serde(rename_all = "camelCase")]
38pub enum SaveIntent {
39 /// write all files (even if unchanged)
40 /// prompt before overwriting on-disk changes
41 Save,
42 /// write any files that have local changes
43 /// prompt before overwriting on-disk changes
44 SaveAll,
45 /// always prompt for a new path
46 SaveAs,
47 /// prompt "you have unsaved changes" before writing
48 Close,
49 /// write all dirty files, don't prompt on conflict
50 Overwrite,
51 /// skip all save-related behavior
52 Skip,
53}
54
55//todo!("Do we need the default bound on actions? Decide soon")
56// #[register_action]
57#[derive(Action, Clone, Deserialize, PartialEq, Debug)]
58pub struct ActivateItem(pub usize);
59
60// #[derive(Clone, PartialEq)]
61// pub struct CloseItemById {
62// pub item_id: usize,
63// pub pane: WeakView<Pane>,
64// }
65
66// #[derive(Clone, PartialEq)]
67// pub struct CloseItemsToTheLeftById {
68// pub item_id: usize,
69// pub pane: WeakView<Pane>,
70// }
71
72// #[derive(Clone, PartialEq)]
73// pub struct CloseItemsToTheRightById {
74// pub item_id: usize,
75// pub pane: WeakView<Pane>,
76// }
77
78#[derive(Clone, PartialEq, Debug, Deserialize, Default, Action)]
79#[serde(rename_all = "camelCase")]
80pub struct CloseActiveItem {
81 pub save_intent: Option<SaveIntent>,
82}
83
84#[derive(Clone, PartialEq, Debug, Deserialize, Default, Action)]
85#[serde(rename_all = "camelCase")]
86pub struct CloseAllItems {
87 pub save_intent: Option<SaveIntent>,
88}
89
90// todo!(These used to be under pane::{Action}. Are they now workspace::pane::{Action}?)
91actions!(
92 ActivatePrevItem,
93 ActivateNextItem,
94 ActivateLastItem,
95 CloseInactiveItems,
96 CloseCleanItems,
97 CloseItemsToTheLeft,
98 CloseItemsToTheRight,
99 GoBack,
100 GoForward,
101 ReopenClosedItem,
102 SplitLeft,
103 SplitUp,
104 SplitRight,
105 SplitDown,
106);
107
108const MAX_NAVIGATION_HISTORY_LEN: usize = 1024;
109
110pub enum Event {
111 AddItem { item: Box<dyn ItemHandle> },
112 ActivateItem { local: bool },
113 Remove,
114 RemoveItem { item_id: EntityId },
115 Split(SplitDirection),
116 ChangeItemTitle,
117 Focus,
118 ZoomIn,
119 ZoomOut,
120}
121
122impl fmt::Debug for Event {
123 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
124 match self {
125 Event::AddItem { item } => f
126 .debug_struct("AddItem")
127 .field("item", &item.item_id())
128 .finish(),
129 Event::ActivateItem { local } => f
130 .debug_struct("ActivateItem")
131 .field("local", local)
132 .finish(),
133 Event::Remove => f.write_str("Remove"),
134 Event::RemoveItem { item_id } => f
135 .debug_struct("RemoveItem")
136 .field("item_id", item_id)
137 .finish(),
138 Event::Split(direction) => f
139 .debug_struct("Split")
140 .field("direction", direction)
141 .finish(),
142 Event::ChangeItemTitle => f.write_str("ChangeItemTitle"),
143 Event::Focus => f.write_str("Focus"),
144 Event::ZoomIn => f.write_str("ZoomIn"),
145 Event::ZoomOut => f.write_str("ZoomOut"),
146 }
147 }
148}
149
150struct FocusedView {
151 view: AnyWeakView,
152 focus_handle: FocusHandle,
153}
154
155pub struct Pane {
156 focus_handle: FocusHandle,
157 items: Vec<Box<dyn ItemHandle>>,
158 activation_history: Vec<EntityId>,
159 zoomed: bool,
160 active_item_index: usize,
161 last_focused_view_by_item: HashMap<EntityId, FocusHandle>,
162 autoscroll: bool,
163 nav_history: NavHistory,
164 toolbar: View<Toolbar>,
165 tab_bar_focus_handle: FocusHandle,
166 new_item_menu: Option<View<ContextMenu>>,
167 split_item_menu: Option<View<ContextMenu>>,
168 // tab_context_menu: ViewHandle<ContextMenu>,
169 workspace: WeakView<Workspace>,
170 project: Model<Project>,
171 // can_drop: Rc<dyn Fn(&DragAndDrop<Workspace>, &WindowContext) -> bool>,
172 can_split: bool,
173 // render_tab_bar_buttons: Rc<dyn Fn(&mut Pane, &mut ViewContext<Pane>) -> AnyElement<Pane>>,
174}
175
176pub struct ItemNavHistory {
177 history: NavHistory,
178 item: Arc<dyn WeakItemHandle>,
179}
180
181#[derive(Clone)]
182pub struct NavHistory(Arc<Mutex<NavHistoryState>>);
183
184struct NavHistoryState {
185 mode: NavigationMode,
186 backward_stack: VecDeque<NavigationEntry>,
187 forward_stack: VecDeque<NavigationEntry>,
188 closed_stack: VecDeque<NavigationEntry>,
189 paths_by_item: HashMap<EntityId, (ProjectPath, Option<PathBuf>)>,
190 pane: WeakView<Pane>,
191 next_timestamp: Arc<AtomicUsize>,
192}
193
194#[derive(Copy, Clone)]
195pub enum NavigationMode {
196 Normal,
197 GoingBack,
198 GoingForward,
199 ClosingItem,
200 ReopeningClosedItem,
201 Disabled,
202}
203
204impl Default for NavigationMode {
205 fn default() -> Self {
206 Self::Normal
207 }
208}
209
210pub struct NavigationEntry {
211 pub item: Arc<dyn WeakItemHandle>,
212 pub data: Option<Box<dyn Any + Send>>,
213 pub timestamp: usize,
214}
215
216// pub struct DraggedItem {
217// pub handle: Box<dyn ItemHandle>,
218// pub pane: WeakView<Pane>,
219// }
220
221// pub enum ReorderBehavior {
222// None,
223// MoveAfterActive,
224// MoveToIndex(usize),
225// }
226
227// #[derive(Debug, Clone, Copy, PartialEq, Eq)]
228// enum TabBarContextMenuKind {
229// New,
230// Split,
231// }
232
233// struct TabBarContextMenu {
234// kind: TabBarContextMenuKind,
235// handle: ViewHandle<ContextMenu>,
236// }
237
238// impl TabBarContextMenu {
239// fn handle_if_kind(&self, kind: TabBarContextMenuKind) -> Option<ViewHandle<ContextMenu>> {
240// if self.kind == kind {
241// return Some(self.handle.clone());
242// }
243// None
244// }
245// }
246
247// #[allow(clippy::too_many_arguments)]
248// fn nav_button<A: Action, F: 'static + Fn(&mut Pane, &mut ViewContext<Pane>)>(
249// svg_path: &'static str,
250// style: theme2::Interactive<theme2::IconButton>,
251// nav_button_height: f32,
252// tooltip_style: TooltipStyle,
253// enabled: bool,
254// on_click: F,
255// tooltip_action: A,
256// action_name: &str,
257// cx: &mut ViewContext<Pane>,
258// ) -> AnyElement<Pane> {
259// MouseEventHandler::new::<A, _>(0, cx, |state, _| {
260// let style = if enabled {
261// style.style_for(state)
262// } else {
263// style.disabled_style()
264// };
265// Svg::new(svg_path)
266// .with_color(style.color)
267// .constrained()
268// .with_width(style.icon_width)
269// .aligned()
270// .contained()
271// .with_style(style.container)
272// .constrained()
273// .with_width(style.button_width)
274// .with_height(nav_button_height)
275// .aligned()
276// .top()
277// })
278// .with_cursor_style(if enabled {
279// CursorStyle::PointingHand
280// } else {
281// CursorStyle::default()
282// })
283// .on_click(MouseButton::Left, move |_, toolbar, cx| {
284// on_click(toolbar, cx)
285// })
286// .with_tooltip::<A>(
287// 0,
288// action_name.to_string(),
289// Some(Box::new(tooltip_action)),
290// tooltip_style,
291// cx,
292// )
293// .contained()
294// .into_any_named("nav button")
295// }
296
297impl EventEmitter<Event> for Pane {}
298
299impl Pane {
300 pub fn new(
301 workspace: WeakView<Workspace>,
302 project: Model<Project>,
303 next_timestamp: Arc<AtomicUsize>,
304 cx: &mut ViewContext<Self>,
305 ) -> Self {
306 // todo!("context menu")
307 // let pane_view_id = cx.view_id();
308 // let context_menu = cx.add_view(|cx| ContextMenu::new(pane_view_id, cx));
309 // context_menu.update(cx, |menu, _| {
310 // menu.set_position_mode(OverlayPositionMode::Local)
311 // });
312
313 let handle = cx.view().downgrade();
314 Self {
315 focus_handle: cx.focus_handle(),
316 items: Vec::new(),
317 activation_history: Vec::new(),
318 zoomed: false,
319 active_item_index: 0,
320 last_focused_view_by_item: Default::default(),
321 autoscroll: false,
322 nav_history: NavHistory(Arc::new(Mutex::new(NavHistoryState {
323 mode: NavigationMode::Normal,
324 backward_stack: Default::default(),
325 forward_stack: Default::default(),
326 closed_stack: Default::default(),
327 paths_by_item: Default::default(),
328 pane: handle.clone(),
329 next_timestamp,
330 }))),
331 toolbar: cx.build_view(|_| Toolbar::new()),
332 tab_bar_focus_handle: cx.focus_handle(),
333 new_item_menu: None,
334 split_item_menu: None,
335 // tab_bar_context_menu: TabBarContextMenu {
336 // kind: TabBarContextMenuKind::New,
337 // handle: context_menu,
338 // },
339 // tab_context_menu: cx.add_view(|cx| ContextMenu::new(pane_view_id, cx)),
340 workspace,
341 project,
342 // can_drop: Rc::new(|_, _| true),
343 can_split: true,
344 // render_tab_bar_buttons: Rc::new(move |pane, cx| {
345 // Flex::row()
346 // // New menu
347 // .with_child(Self::render_tab_bar_button(
348 // 0,
349 // "icons/plus.svg",
350 // false,
351 // Some(("New...".into(), None)),
352 // cx,
353 // |pane, cx| pane.deploy_new_menu(cx),
354 // |pane, cx| {
355 // pane.tab_bar_context_menu
356 // .handle
357 // .update(cx, |menu, _| menu.delay_cancel())
358 // },
359 // pane.tab_bar_context_menu
360 // .handle_if_kind(TabBarContextMenuKind::New),
361 // ))
362 // .with_child(Self::render_tab_bar_button(
363 // 1,
364 // "icons/split.svg",
365 // false,
366 // Some(("Split Pane".into(), None)),
367 // cx,
368 // |pane, cx| pane.deploy_split_menu(cx),
369 // |pane, cx| {
370 // pane.tab_bar_context_menu
371 // .handle
372 // .update(cx, |menu, _| menu.delay_cancel())
373 // },
374 // pane.tab_bar_context_menu
375 // .handle_if_kind(TabBarContextMenuKind::Split),
376 // ))
377 // .with_child({
378 // let icon_path;
379 // let tooltip_label;
380 // if pane.is_zoomed() {
381 // icon_path = "icons/minimize.svg";
382 // tooltip_label = "Zoom In";
383 // } else {
384 // icon_path = "icons/maximize.svg";
385 // tooltip_label = "Zoom In";
386 // }
387
388 // Pane::render_tab_bar_button(
389 // 2,
390 // icon_path,
391 // pane.is_zoomed(),
392 // Some((tooltip_label, Some(Box::new(ToggleZoom)))),
393 // cx,
394 // move |pane, cx| pane.toggle_zoom(&Default::default(), cx),
395 // move |_, _| {},
396 // None,
397 // )
398 // })
399 // .into_any()
400 // }),
401 }
402 }
403
404 pub(crate) fn workspace(&self) -> &WeakView<Workspace> {
405 &self.workspace
406 }
407
408 pub fn has_focus(&self, cx: &WindowContext) -> bool {
409 // todo!(); // inline this manually
410 self.focus_handle.contains_focused(cx)
411 }
412
413 fn focus_in(&mut self, cx: &mut ViewContext<Self>) {
414 if !self.has_focus(cx) {
415 cx.emit(Event::Focus);
416 cx.notify();
417 }
418
419 self.toolbar.update(cx, |toolbar, cx| {
420 toolbar.focus_changed(true, cx);
421 });
422
423 if let Some(active_item) = self.active_item() {
424 if self.focus_handle.is_focused(cx) {
425 // Pane was focused directly. We need to either focus a view inside the active item,
426 // or focus the active item itself
427 if let Some(weak_last_focused_view) =
428 self.last_focused_view_by_item.get(&active_item.item_id())
429 {
430 weak_last_focused_view.focus(cx);
431 return;
432 }
433
434 active_item.focus_handle(cx).focus(cx);
435 } else if !self.tab_bar_focus_handle.contains_focused(cx) {
436 if let Some(focused) = cx.focused() {
437 self.last_focused_view_by_item
438 .insert(active_item.item_id(), focused);
439 }
440 }
441 }
442 }
443
444 fn focus_out(&mut self, cx: &mut ViewContext<Self>) {
445 self.toolbar.update(cx, |toolbar, cx| {
446 toolbar.focus_changed(false, cx);
447 });
448 cx.notify();
449 }
450
451 pub fn active_item_index(&self) -> usize {
452 self.active_item_index
453 }
454
455 // pub fn on_can_drop<F>(&mut self, can_drop: F)
456 // where
457 // F: 'static + Fn(&DragAndDrop<Workspace>, &WindowContext) -> bool,
458 // {
459 // self.can_drop = Rc::new(can_drop);
460 // }
461
462 pub fn set_can_split(&mut self, can_split: bool, cx: &mut ViewContext<Self>) {
463 self.can_split = can_split;
464 cx.notify();
465 }
466
467 pub fn set_can_navigate(&mut self, can_navigate: bool, cx: &mut ViewContext<Self>) {
468 self.toolbar.update(cx, |toolbar, cx| {
469 toolbar.set_can_navigate(can_navigate, cx);
470 });
471 cx.notify();
472 }
473
474 // pub fn set_render_tab_bar_buttons<F>(&mut self, cx: &mut ViewContext<Self>, render: F)
475 // where
476 // F: 'static + Fn(&mut Pane, &mut ViewContext<Pane>) -> AnyElement<Pane>,
477 // {
478 // self.render_tab_bar_buttons = Rc::new(render);
479 // cx.notify();
480 // }
481
482 pub fn nav_history_for_item<T: Item>(&self, item: &View<T>) -> ItemNavHistory {
483 ItemNavHistory {
484 history: self.nav_history.clone(),
485 item: Arc::new(item.downgrade()),
486 }
487 }
488
489 pub fn nav_history(&self) -> &NavHistory {
490 &self.nav_history
491 }
492
493 pub fn nav_history_mut(&mut self) -> &mut NavHistory {
494 &mut self.nav_history
495 }
496
497 pub fn disable_history(&mut self) {
498 self.nav_history.disable();
499 }
500
501 pub fn enable_history(&mut self) {
502 self.nav_history.enable();
503 }
504
505 pub fn can_navigate_backward(&self) -> bool {
506 !self.nav_history.0.lock().backward_stack.is_empty()
507 }
508
509 pub fn can_navigate_forward(&self) -> bool {
510 !self.nav_history.0.lock().forward_stack.is_empty()
511 }
512
513 fn navigate_backward(&mut self, cx: &mut ViewContext<Self>) {
514 if let Some(workspace) = self.workspace.upgrade() {
515 let pane = cx.view().downgrade();
516 cx.window_context().defer(move |cx| {
517 workspace.update(cx, |workspace, cx| {
518 workspace.go_back(pane, cx).detach_and_log_err(cx)
519 })
520 })
521 }
522 }
523
524 fn navigate_forward(&mut self, cx: &mut ViewContext<Self>) {
525 if let Some(workspace) = self.workspace.upgrade() {
526 let pane = cx.view().downgrade();
527 cx.window_context().defer(move |cx| {
528 workspace.update(cx, |workspace, cx| {
529 workspace.go_forward(pane, cx).detach_and_log_err(cx)
530 })
531 })
532 }
533 }
534
535 fn history_updated(&mut self, cx: &mut ViewContext<Self>) {
536 self.toolbar.update(cx, |_, cx| cx.notify());
537 }
538
539 pub(crate) fn open_item(
540 &mut self,
541 project_entry_id: Option<ProjectEntryId>,
542 focus_item: bool,
543 cx: &mut ViewContext<Self>,
544 build_item: impl FnOnce(&mut ViewContext<Pane>) -> Box<dyn ItemHandle>,
545 ) -> Box<dyn ItemHandle> {
546 let mut existing_item = None;
547 if let Some(project_entry_id) = project_entry_id {
548 for (index, item) in self.items.iter().enumerate() {
549 if item.is_singleton(cx)
550 && item.project_entry_ids(cx).as_slice() == [project_entry_id]
551 {
552 let item = item.boxed_clone();
553 existing_item = Some((index, item));
554 break;
555 }
556 }
557 }
558
559 if let Some((index, existing_item)) = existing_item {
560 self.activate_item(index, focus_item, focus_item, cx);
561 existing_item
562 } else {
563 let new_item = build_item(cx);
564 self.add_item(new_item.clone(), true, focus_item, None, cx);
565 new_item
566 }
567 }
568
569 pub fn add_item(
570 &mut self,
571 item: Box<dyn ItemHandle>,
572 activate_pane: bool,
573 focus_item: bool,
574 destination_index: Option<usize>,
575 cx: &mut ViewContext<Self>,
576 ) {
577 if item.is_singleton(cx) {
578 if let Some(&entry_id) = item.project_entry_ids(cx).get(0) {
579 let project = self.project.read(cx);
580 if let Some(project_path) = project.path_for_entry(entry_id, cx) {
581 let abs_path = project.absolute_path(&project_path, cx);
582 self.nav_history
583 .0
584 .lock()
585 .paths_by_item
586 .insert(item.item_id(), (project_path, abs_path));
587 }
588 }
589 }
590 // If no destination index is specified, add or move the item after the active item.
591 let mut insertion_index = {
592 cmp::min(
593 if let Some(destination_index) = destination_index {
594 destination_index
595 } else {
596 self.active_item_index + 1
597 },
598 self.items.len(),
599 )
600 };
601
602 // Does the item already exist?
603 let project_entry_id = if item.is_singleton(cx) {
604 item.project_entry_ids(cx).get(0).copied()
605 } else {
606 None
607 };
608
609 let existing_item_index = self.items.iter().position(|existing_item| {
610 if existing_item.item_id() == item.item_id() {
611 true
612 } else if existing_item.is_singleton(cx) {
613 existing_item
614 .project_entry_ids(cx)
615 .get(0)
616 .map_or(false, |existing_entry_id| {
617 Some(existing_entry_id) == project_entry_id.as_ref()
618 })
619 } else {
620 false
621 }
622 });
623
624 if let Some(existing_item_index) = existing_item_index {
625 // If the item already exists, move it to the desired destination and activate it
626
627 if existing_item_index != insertion_index {
628 let existing_item_is_active = existing_item_index == self.active_item_index;
629
630 // If the caller didn't specify a destination and the added item is already
631 // the active one, don't move it
632 if existing_item_is_active && destination_index.is_none() {
633 insertion_index = existing_item_index;
634 } else {
635 self.items.remove(existing_item_index);
636 if existing_item_index < self.active_item_index {
637 self.active_item_index -= 1;
638 }
639 insertion_index = insertion_index.min(self.items.len());
640
641 self.items.insert(insertion_index, item.clone());
642
643 if existing_item_is_active {
644 self.active_item_index = insertion_index;
645 } else if insertion_index <= self.active_item_index {
646 self.active_item_index += 1;
647 }
648 }
649
650 cx.notify();
651 }
652
653 self.activate_item(insertion_index, activate_pane, focus_item, cx);
654 } else {
655 self.items.insert(insertion_index, item.clone());
656 if insertion_index <= self.active_item_index {
657 self.active_item_index += 1;
658 }
659
660 self.activate_item(insertion_index, activate_pane, focus_item, cx);
661 cx.notify();
662 }
663
664 cx.emit(Event::AddItem { item });
665 }
666
667 pub fn items_len(&self) -> usize {
668 self.items.len()
669 }
670
671 pub fn items(&self) -> impl Iterator<Item = &Box<dyn ItemHandle>> + DoubleEndedIterator {
672 self.items.iter()
673 }
674
675 pub fn items_of_type<T: Render>(&self) -> impl '_ + Iterator<Item = View<T>> {
676 self.items
677 .iter()
678 .filter_map(|item| item.to_any().downcast().ok())
679 }
680
681 pub fn active_item(&self) -> Option<Box<dyn ItemHandle>> {
682 self.items.get(self.active_item_index).cloned()
683 }
684
685 pub fn pixel_position_of_cursor(&self, cx: &AppContext) -> Option<Point<Pixels>> {
686 self.items
687 .get(self.active_item_index)?
688 .pixel_position_of_cursor(cx)
689 }
690
691 pub fn item_for_entry(
692 &self,
693 entry_id: ProjectEntryId,
694 cx: &AppContext,
695 ) -> Option<Box<dyn ItemHandle>> {
696 self.items.iter().find_map(|item| {
697 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
698 Some(item.boxed_clone())
699 } else {
700 None
701 }
702 })
703 }
704
705 pub fn index_for_item(&self, item: &dyn ItemHandle) -> Option<usize> {
706 self.items
707 .iter()
708 .position(|i| i.item_id() == item.item_id())
709 }
710
711 pub fn toggle_zoom(&mut self, _: &ToggleZoom, cx: &mut ViewContext<Self>) {
712 if self.zoomed {
713 cx.emit(Event::ZoomOut);
714 } else if !self.items.is_empty() {
715 if !self.focus_handle.contains_focused(cx) {
716 cx.focus_self();
717 }
718 cx.emit(Event::ZoomIn);
719 }
720 }
721
722 pub fn activate_item(
723 &mut self,
724 index: usize,
725 activate_pane: bool,
726 focus_item: bool,
727 cx: &mut ViewContext<Self>,
728 ) {
729 use NavigationMode::{GoingBack, GoingForward};
730
731 if index < self.items.len() {
732 let prev_active_item_ix = mem::replace(&mut self.active_item_index, index);
733 if prev_active_item_ix != self.active_item_index
734 || matches!(self.nav_history.mode(), GoingBack | GoingForward)
735 {
736 if let Some(prev_item) = self.items.get(prev_active_item_ix) {
737 prev_item.deactivated(cx);
738 }
739
740 cx.emit(Event::ActivateItem {
741 local: activate_pane,
742 });
743 }
744
745 if let Some(newly_active_item) = self.items.get(index) {
746 self.activation_history
747 .retain(|&previously_active_item_id| {
748 previously_active_item_id != newly_active_item.item_id()
749 });
750 self.activation_history.push(newly_active_item.item_id());
751 }
752
753 self.update_toolbar(cx);
754
755 if focus_item {
756 self.focus_active_item(cx);
757 }
758
759 self.autoscroll = true;
760 cx.notify();
761 }
762 }
763
764 pub fn activate_prev_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
765 let mut index = self.active_item_index;
766 if index > 0 {
767 index -= 1;
768 } else if !self.items.is_empty() {
769 index = self.items.len() - 1;
770 }
771 self.activate_item(index, activate_pane, activate_pane, cx);
772 }
773
774 pub fn activate_next_item(&mut self, activate_pane: bool, cx: &mut ViewContext<Self>) {
775 let mut index = self.active_item_index;
776 if index + 1 < self.items.len() {
777 index += 1;
778 } else {
779 index = 0;
780 }
781 self.activate_item(index, activate_pane, activate_pane, cx);
782 }
783
784 pub fn close_active_item(
785 &mut self,
786 action: &CloseActiveItem,
787 cx: &mut ViewContext<Self>,
788 ) -> Option<Task<Result<()>>> {
789 if self.items.is_empty() {
790 return None;
791 }
792 let active_item_id = self.items[self.active_item_index].item_id();
793 Some(self.close_item_by_id(
794 active_item_id,
795 action.save_intent.unwrap_or(SaveIntent::Close),
796 cx,
797 ))
798 }
799
800 pub fn close_item_by_id(
801 &mut self,
802 item_id_to_close: EntityId,
803 save_intent: SaveIntent,
804 cx: &mut ViewContext<Self>,
805 ) -> Task<Result<()>> {
806 self.close_items(cx, save_intent, move |view_id| view_id == item_id_to_close)
807 }
808
809 pub fn close_inactive_items(
810 &mut self,
811 _: &CloseInactiveItems,
812 cx: &mut ViewContext<Self>,
813 ) -> Option<Task<Result<()>>> {
814 if self.items.is_empty() {
815 return None;
816 }
817
818 let active_item_id = self.items[self.active_item_index].item_id();
819 Some(self.close_items(cx, SaveIntent::Close, move |item_id| {
820 item_id != active_item_id
821 }))
822 }
823
824 pub fn close_clean_items(
825 &mut self,
826 _: &CloseCleanItems,
827 cx: &mut ViewContext<Self>,
828 ) -> Option<Task<Result<()>>> {
829 let item_ids: Vec<_> = self
830 .items()
831 .filter(|item| !item.is_dirty(cx))
832 .map(|item| item.item_id())
833 .collect();
834 Some(self.close_items(cx, SaveIntent::Close, move |item_id| {
835 item_ids.contains(&item_id)
836 }))
837 }
838
839 pub fn close_items_to_the_left(
840 &mut self,
841 _: &CloseItemsToTheLeft,
842 cx: &mut ViewContext<Self>,
843 ) -> Option<Task<Result<()>>> {
844 if self.items.is_empty() {
845 return None;
846 }
847 let active_item_id = self.items[self.active_item_index].item_id();
848 Some(self.close_items_to_the_left_by_id(active_item_id, cx))
849 }
850
851 pub fn close_items_to_the_left_by_id(
852 &mut self,
853 item_id: EntityId,
854 cx: &mut ViewContext<Self>,
855 ) -> Task<Result<()>> {
856 let item_ids: Vec<_> = self
857 .items()
858 .take_while(|item| item.item_id() != item_id)
859 .map(|item| item.item_id())
860 .collect();
861 self.close_items(cx, SaveIntent::Close, move |item_id| {
862 item_ids.contains(&item_id)
863 })
864 }
865
866 pub fn close_items_to_the_right(
867 &mut self,
868 _: &CloseItemsToTheRight,
869 cx: &mut ViewContext<Self>,
870 ) -> Option<Task<Result<()>>> {
871 if self.items.is_empty() {
872 return None;
873 }
874 let active_item_id = self.items[self.active_item_index].item_id();
875 Some(self.close_items_to_the_right_by_id(active_item_id, cx))
876 }
877
878 pub fn close_items_to_the_right_by_id(
879 &mut self,
880 item_id: EntityId,
881 cx: &mut ViewContext<Self>,
882 ) -> Task<Result<()>> {
883 let item_ids: Vec<_> = self
884 .items()
885 .rev()
886 .take_while(|item| item.item_id() != item_id)
887 .map(|item| item.item_id())
888 .collect();
889 self.close_items(cx, SaveIntent::Close, move |item_id| {
890 item_ids.contains(&item_id)
891 })
892 }
893
894 pub fn close_all_items(
895 &mut self,
896 action: &CloseAllItems,
897 cx: &mut ViewContext<Self>,
898 ) -> Option<Task<Result<()>>> {
899 if self.items.is_empty() {
900 return None;
901 }
902
903 Some(
904 self.close_items(cx, action.save_intent.unwrap_or(SaveIntent::Close), |_| {
905 true
906 }),
907 )
908 }
909
910 pub(super) fn file_names_for_prompt(
911 items: &mut dyn Iterator<Item = &Box<dyn ItemHandle>>,
912 all_dirty_items: usize,
913 cx: &AppContext,
914 ) -> String {
915 /// Quantity of item paths displayed in prompt prior to cutoff..
916 const FILE_NAMES_CUTOFF_POINT: usize = 10;
917 let mut file_names: Vec<_> = items
918 .filter_map(|item| {
919 item.project_path(cx).and_then(|project_path| {
920 project_path
921 .path
922 .file_name()
923 .and_then(|name| name.to_str().map(ToOwned::to_owned))
924 })
925 })
926 .take(FILE_NAMES_CUTOFF_POINT)
927 .collect();
928 let should_display_followup_text =
929 all_dirty_items > FILE_NAMES_CUTOFF_POINT || file_names.len() != all_dirty_items;
930 if should_display_followup_text {
931 let not_shown_files = all_dirty_items - file_names.len();
932 if not_shown_files == 1 {
933 file_names.push(".. 1 file not shown".into());
934 } else {
935 file_names.push(format!(".. {} files not shown", not_shown_files).into());
936 }
937 }
938 let file_names = file_names.join("\n");
939 format!(
940 "Do you want to save changes to the following {} files?\n{file_names}",
941 all_dirty_items
942 )
943 }
944
945 pub fn close_items(
946 &mut self,
947 cx: &mut ViewContext<Pane>,
948 mut save_intent: SaveIntent,
949 should_close: impl 'static + Fn(EntityId) -> bool,
950 ) -> Task<Result<()>> {
951 // Find the items to close.
952 let mut items_to_close = Vec::new();
953 let mut dirty_items = Vec::new();
954 for item in &self.items {
955 if should_close(item.item_id()) {
956 items_to_close.push(item.boxed_clone());
957 if item.is_dirty(cx) {
958 dirty_items.push(item.boxed_clone());
959 }
960 }
961 }
962
963 // If a buffer is open both in a singleton editor and in a multibuffer, make sure
964 // to focus the singleton buffer when prompting to save that buffer, as opposed
965 // to focusing the multibuffer, because this gives the user a more clear idea
966 // of what content they would be saving.
967 items_to_close.sort_by_key(|item| !item.is_singleton(cx));
968
969 let workspace = self.workspace.clone();
970 cx.spawn(|pane, mut cx| async move {
971 if save_intent == SaveIntent::Close && dirty_items.len() > 1 {
972 let answer = pane.update(&mut cx, |_, cx| {
973 let prompt =
974 Self::file_names_for_prompt(&mut dirty_items.iter(), dirty_items.len(), cx);
975 cx.prompt(
976 PromptLevel::Warning,
977 &prompt,
978 &["Save all", "Discard all", "Cancel"],
979 )
980 })?;
981 match answer.await {
982 Ok(0) => save_intent = SaveIntent::SaveAll,
983 Ok(1) => save_intent = SaveIntent::Skip,
984 _ => {}
985 }
986 }
987 let mut saved_project_items_ids = HashSet::default();
988 for item in items_to_close.clone() {
989 // Find the item's current index and its set of project item models. Avoid
990 // storing these in advance, in case they have changed since this task
991 // was started.
992 let (item_ix, mut project_item_ids) = pane.update(&mut cx, |pane, cx| {
993 (pane.index_for_item(&*item), item.project_item_model_ids(cx))
994 })?;
995 let item_ix = if let Some(ix) = item_ix {
996 ix
997 } else {
998 continue;
999 };
1000
1001 // Check if this view has any project items that are not open anywhere else
1002 // in the workspace, AND that the user has not already been prompted to save.
1003 // If there are any such project entries, prompt the user to save this item.
1004 let project = workspace.update(&mut cx, |workspace, cx| {
1005 for item in workspace.items(cx) {
1006 if !items_to_close
1007 .iter()
1008 .any(|item_to_close| item_to_close.item_id() == item.item_id())
1009 {
1010 let other_project_item_ids = item.project_item_model_ids(cx);
1011 project_item_ids.retain(|id| !other_project_item_ids.contains(id));
1012 }
1013 }
1014 workspace.project().clone()
1015 })?;
1016 let should_save = project_item_ids
1017 .iter()
1018 .any(|id| saved_project_items_ids.insert(*id));
1019
1020 if should_save
1021 && !Self::save_item(
1022 project.clone(),
1023 &pane,
1024 item_ix,
1025 &*item,
1026 save_intent,
1027 &mut cx,
1028 )
1029 .await?
1030 {
1031 break;
1032 }
1033
1034 // Remove the item from the pane.
1035 pane.update(&mut cx, |pane, cx| {
1036 if let Some(item_ix) = pane
1037 .items
1038 .iter()
1039 .position(|i| i.item_id() == item.item_id())
1040 {
1041 pane.remove_item(item_ix, false, cx);
1042 }
1043 })?;
1044 }
1045
1046 pane.update(&mut cx, |_, cx| cx.notify())?;
1047 Ok(())
1048 })
1049 }
1050
1051 pub fn remove_item(
1052 &mut self,
1053 item_index: usize,
1054 activate_pane: bool,
1055 cx: &mut ViewContext<Self>,
1056 ) {
1057 self.activation_history
1058 .retain(|&history_entry| history_entry != self.items[item_index].item_id());
1059
1060 if item_index == self.active_item_index {
1061 let index_to_activate = self
1062 .activation_history
1063 .pop()
1064 .and_then(|last_activated_item| {
1065 self.items.iter().enumerate().find_map(|(index, item)| {
1066 (item.item_id() == last_activated_item).then_some(index)
1067 })
1068 })
1069 // We didn't have a valid activation history entry, so fallback
1070 // to activating the item to the left
1071 .unwrap_or_else(|| item_index.min(self.items.len()).saturating_sub(1));
1072
1073 let should_activate = activate_pane || self.has_focus(cx);
1074 if self.items.len() == 1 && should_activate {
1075 self.focus_handle.focus(cx);
1076 } else {
1077 self.activate_item(index_to_activate, should_activate, should_activate, cx);
1078 }
1079 }
1080
1081 let item = self.items.remove(item_index);
1082
1083 cx.emit(Event::RemoveItem {
1084 item_id: item.item_id(),
1085 });
1086 if self.items.is_empty() {
1087 item.deactivated(cx);
1088 self.update_toolbar(cx);
1089 cx.emit(Event::Remove);
1090 }
1091
1092 if item_index < self.active_item_index {
1093 self.active_item_index -= 1;
1094 }
1095
1096 self.nav_history.set_mode(NavigationMode::ClosingItem);
1097 item.deactivated(cx);
1098 self.nav_history.set_mode(NavigationMode::Normal);
1099
1100 if let Some(path) = item.project_path(cx) {
1101 let abs_path = self
1102 .nav_history
1103 .0
1104 .lock()
1105 .paths_by_item
1106 .get(&item.item_id())
1107 .and_then(|(_, abs_path)| abs_path.clone());
1108
1109 self.nav_history
1110 .0
1111 .lock()
1112 .paths_by_item
1113 .insert(item.item_id(), (path, abs_path));
1114 } else {
1115 self.nav_history
1116 .0
1117 .lock()
1118 .paths_by_item
1119 .remove(&item.item_id());
1120 }
1121
1122 if self.items.is_empty() && self.zoomed {
1123 cx.emit(Event::ZoomOut);
1124 }
1125
1126 cx.notify();
1127 }
1128
1129 pub async fn save_item(
1130 project: Model<Project>,
1131 pane: &WeakView<Pane>,
1132 item_ix: usize,
1133 item: &dyn ItemHandle,
1134 save_intent: SaveIntent,
1135 cx: &mut AsyncWindowContext,
1136 ) -> Result<bool> {
1137 const CONFLICT_MESSAGE: &str =
1138 "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1139
1140 if save_intent == SaveIntent::Skip {
1141 return Ok(true);
1142 }
1143
1144 let (mut has_conflict, mut is_dirty, mut can_save, can_save_as) = cx.update(|_, cx| {
1145 (
1146 item.has_conflict(cx),
1147 item.is_dirty(cx),
1148 item.can_save(cx),
1149 item.is_singleton(cx),
1150 )
1151 })?;
1152
1153 // when saving a single buffer, we ignore whether or not it's dirty.
1154 if save_intent == SaveIntent::Save {
1155 is_dirty = true;
1156 }
1157
1158 if save_intent == SaveIntent::SaveAs {
1159 is_dirty = true;
1160 has_conflict = false;
1161 can_save = false;
1162 }
1163
1164 if save_intent == SaveIntent::Overwrite {
1165 has_conflict = false;
1166 }
1167
1168 if has_conflict && can_save {
1169 let answer = pane.update(cx, |pane, cx| {
1170 pane.activate_item(item_ix, true, true, cx);
1171 cx.prompt(
1172 PromptLevel::Warning,
1173 CONFLICT_MESSAGE,
1174 &["Overwrite", "Discard", "Cancel"],
1175 )
1176 })?;
1177 match answer.await {
1178 Ok(0) => pane.update(cx, |_, cx| item.save(project, cx))?.await?,
1179 Ok(1) => pane.update(cx, |_, cx| item.reload(project, cx))?.await?,
1180 _ => return Ok(false),
1181 }
1182 } else if is_dirty && (can_save || can_save_as) {
1183 if save_intent == SaveIntent::Close {
1184 let will_autosave = cx.update(|_, cx| {
1185 matches!(
1186 WorkspaceSettings::get_global(cx).autosave,
1187 AutosaveSetting::OnFocusChange | AutosaveSetting::OnWindowChange
1188 ) && Self::can_autosave_item(&*item, cx)
1189 })?;
1190 if !will_autosave {
1191 let answer = pane.update(cx, |pane, cx| {
1192 pane.activate_item(item_ix, true, true, cx);
1193 let prompt = dirty_message_for(item.project_path(cx));
1194 cx.prompt(
1195 PromptLevel::Warning,
1196 &prompt,
1197 &["Save", "Don't Save", "Cancel"],
1198 )
1199 })?;
1200 match answer.await {
1201 Ok(0) => {}
1202 Ok(1) => return Ok(true), // Don't save this file
1203 _ => return Ok(false), // Cancel
1204 }
1205 }
1206 }
1207
1208 if can_save {
1209 pane.update(cx, |_, cx| item.save(project, cx))?.await?;
1210 } else if can_save_as {
1211 let start_abs_path = project
1212 .update(cx, |project, cx| {
1213 let worktree = project.visible_worktrees(cx).next()?;
1214 Some(worktree.read(cx).as_local()?.abs_path().to_path_buf())
1215 })?
1216 .unwrap_or_else(|| Path::new("").into());
1217
1218 let abs_path = cx.update(|_, cx| cx.prompt_for_new_path(&start_abs_path))?;
1219 if let Some(abs_path) = abs_path.await.ok().flatten() {
1220 pane.update(cx, |_, cx| item.save_as(project, abs_path, cx))?
1221 .await?;
1222 } else {
1223 return Ok(false);
1224 }
1225 }
1226 }
1227 Ok(true)
1228 }
1229
1230 fn can_autosave_item(item: &dyn ItemHandle, cx: &AppContext) -> bool {
1231 let is_deleted = item.project_entry_ids(cx).is_empty();
1232 item.is_dirty(cx) && !item.has_conflict(cx) && item.can_save(cx) && !is_deleted
1233 }
1234
1235 pub fn autosave_item(
1236 item: &dyn ItemHandle,
1237 project: Model<Project>,
1238 cx: &mut WindowContext,
1239 ) -> Task<Result<()>> {
1240 if Self::can_autosave_item(item, cx) {
1241 item.save(project, cx)
1242 } else {
1243 Task::ready(Ok(()))
1244 }
1245 }
1246
1247 pub fn focus(&mut self, cx: &mut ViewContext<Pane>) {
1248 cx.focus(&self.focus_handle);
1249 }
1250
1251 pub fn focus_active_item(&mut self, cx: &mut ViewContext<Self>) {
1252 if let Some(active_item) = self.active_item() {
1253 let focus_handle = active_item.focus_handle(cx);
1254 cx.focus(&focus_handle);
1255 }
1256 }
1257
1258 pub fn split(&mut self, direction: SplitDirection, cx: &mut ViewContext<Self>) {
1259 cx.emit(Event::Split(direction));
1260 }
1261
1262 // fn deploy_split_menu(&mut self, cx: &mut ViewContext<Self>) {
1263 // self.tab_bar_context_menu.handle.update(cx, |menu, cx| {
1264 // menu.toggle(
1265 // Default::default(),
1266 // AnchorCorner::TopRight,
1267 // vec![
1268 // ContextMenuItem::action("Split Right", SplitRight),
1269 // ContextMenuItem::action("Split Left", SplitLeft),
1270 // ContextMenuItem::action("Split Up", SplitUp),
1271 // ContextMenuItem::action("Split Down", SplitDown),
1272 // ],
1273 // cx,
1274 // );
1275 // });
1276
1277 // self.tab_bar_context_menu.kind = TabBarContextMenuKind::Split;
1278 // }
1279
1280 // fn deploy_new_menu(&mut self, cx: &mut ViewContext<Self>) {
1281 // self.tab_bar_context_menu.handle.update(cx, |menu, cx| {
1282 // menu.toggle(
1283 // Default::default(),
1284 // AnchorCorner::TopRight,
1285 // vec![
1286 // ContextMenuItem::action("New File", NewFile),
1287 // ContextMenuItem::action("New Terminal", NewCenterTerminal),
1288 // ContextMenuItem::action("New Search", NewSearch),
1289 // ],
1290 // cx,
1291 // );
1292 // });
1293
1294 // self.tab_bar_context_menu.kind = TabBarContextMenuKind::New;
1295 // }
1296
1297 // fn deploy_tab_context_menu(
1298 // &mut self,
1299 // position: Vector2F,
1300 // target_item_id: usize,
1301 // cx: &mut ViewContext<Self>,
1302 // ) {
1303 // let active_item_id = self.items[self.active_item_index].id();
1304 // let is_active_item = target_item_id == active_item_id;
1305 // let target_pane = cx.weak_handle();
1306
1307 // // 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
1308
1309 // self.tab_context_menu.update(cx, |menu, cx| {
1310 // menu.show(
1311 // position,
1312 // AnchorCorner::TopLeft,
1313 // if is_active_item {
1314 // vec![
1315 // ContextMenuItem::action(
1316 // "Close Active Item",
1317 // CloseActiveItem { save_intent: None },
1318 // ),
1319 // ContextMenuItem::action("Close Inactive Items", CloseInactiveItems),
1320 // ContextMenuItem::action("Close Clean Items", CloseCleanItems),
1321 // ContextMenuItem::action("Close Items To The Left", CloseItemsToTheLeft),
1322 // ContextMenuItem::action("Close Items To The Right", CloseItemsToTheRight),
1323 // ContextMenuItem::action(
1324 // "Close All Items",
1325 // CloseAllItems { save_intent: None },
1326 // ),
1327 // ]
1328 // } else {
1329 // // 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.
1330 // vec![
1331 // ContextMenuItem::handler("Close Inactive Item", {
1332 // let pane = target_pane.clone();
1333 // move |cx| {
1334 // if let Some(pane) = pane.upgrade(cx) {
1335 // pane.update(cx, |pane, cx| {
1336 // pane.close_item_by_id(
1337 // target_item_id,
1338 // SaveIntent::Close,
1339 // cx,
1340 // )
1341 // .detach_and_log_err(cx);
1342 // })
1343 // }
1344 // }
1345 // }),
1346 // ContextMenuItem::action("Close Inactive Items", CloseInactiveItems),
1347 // ContextMenuItem::action("Close Clean Items", CloseCleanItems),
1348 // ContextMenuItem::handler("Close Items To The Left", {
1349 // let pane = target_pane.clone();
1350 // move |cx| {
1351 // if let Some(pane) = pane.upgrade(cx) {
1352 // pane.update(cx, |pane, cx| {
1353 // pane.close_items_to_the_left_by_id(target_item_id, cx)
1354 // .detach_and_log_err(cx);
1355 // })
1356 // }
1357 // }
1358 // }),
1359 // ContextMenuItem::handler("Close Items To The Right", {
1360 // let pane = target_pane.clone();
1361 // move |cx| {
1362 // if let Some(pane) = pane.upgrade(cx) {
1363 // pane.update(cx, |pane, cx| {
1364 // pane.close_items_to_the_right_by_id(target_item_id, cx)
1365 // .detach_and_log_err(cx);
1366 // })
1367 // }
1368 // }
1369 // }),
1370 // ContextMenuItem::action(
1371 // "Close All Items",
1372 // CloseAllItems { save_intent: None },
1373 // ),
1374 // ]
1375 // },
1376 // cx,
1377 // );
1378 // });
1379 // }
1380
1381 pub fn toolbar(&self) -> &View<Toolbar> {
1382 &self.toolbar
1383 }
1384
1385 pub fn handle_deleted_project_item(
1386 &mut self,
1387 entry_id: ProjectEntryId,
1388 cx: &mut ViewContext<Pane>,
1389 ) -> Option<()> {
1390 let (item_index_to_delete, item_id) = self.items().enumerate().find_map(|(i, item)| {
1391 if item.is_singleton(cx) && item.project_entry_ids(cx).as_slice() == [entry_id] {
1392 Some((i, item.item_id()))
1393 } else {
1394 None
1395 }
1396 })?;
1397
1398 self.remove_item(item_index_to_delete, false, cx);
1399 self.nav_history.remove_item(item_id);
1400
1401 Some(())
1402 }
1403
1404 fn update_toolbar(&mut self, cx: &mut ViewContext<Self>) {
1405 let active_item = self
1406 .items
1407 .get(self.active_item_index)
1408 .map(|item| item.as_ref());
1409 self.toolbar.update(cx, |toolbar, cx| {
1410 toolbar.set_active_item(active_item, cx);
1411 });
1412 }
1413
1414 fn render_tab(
1415 &self,
1416 ix: usize,
1417 item: &Box<dyn ItemHandle>,
1418 detail: usize,
1419 cx: &mut ViewContext<'_, Pane>,
1420 ) -> impl IntoElement {
1421 let label = item.tab_content(Some(detail), cx);
1422 let close_side = &ItemSettings::get_global(cx).close_position;
1423
1424 let (text_color, tab_bg, tab_hover_bg, tab_active_bg) = match ix == self.active_item_index {
1425 false => (
1426 cx.theme().colors().text_muted,
1427 cx.theme().colors().tab_inactive_background,
1428 cx.theme().colors().ghost_element_hover,
1429 cx.theme().colors().ghost_element_active,
1430 ),
1431 true => (
1432 cx.theme().colors().text,
1433 cx.theme().colors().tab_active_background,
1434 cx.theme().colors().element_hover,
1435 cx.theme().colors().element_active,
1436 ),
1437 };
1438
1439 let is_active = ix == self.active_item_index;
1440
1441 let indicator = maybe!({
1442 let indicator_color = match (item.has_conflict(cx), item.is_dirty(cx)) {
1443 (true, _) => Color::Warning,
1444 (_, true) => Color::Accent,
1445 (false, false) => return None,
1446 };
1447
1448 Some(Indicator::dot().color(indicator_color))
1449 });
1450
1451 let id = item.item_id();
1452
1453 let is_first_item = ix == 0;
1454 let is_last_item = ix == self.items.len() - 1;
1455 let position_relative_to_active_item = ix.cmp(&self.active_item_index);
1456
1457 let tab =
1458 Tab::new(ix)
1459 .position(if is_first_item {
1460 TabPosition::First
1461 } else if is_last_item {
1462 TabPosition::Last
1463 } else {
1464 TabPosition::Middle(position_relative_to_active_item)
1465 })
1466 .close_side(match close_side {
1467 ClosePosition::Left => ui::TabCloseSide::Start,
1468 ClosePosition::Right => ui::TabCloseSide::End,
1469 })
1470 .selected(ix == self.active_item_index())
1471 .on_click(cx.listener(move |pane: &mut Self, event, cx| {
1472 pane.activate_item(ix, true, true, cx)
1473 }))
1474 // .on_drag(move |pane, cx| pane.render_tab(ix, item.boxed_clone(), detail, cx))
1475 // .drag_over::<DraggedTab>(|d| d.bg(cx.theme().colors().element_drop_target))
1476 // .on_drop(|_view, state: View<DraggedTab>, cx| {
1477 // eprintln!("{:?}", state.read(cx));
1478 // })
1479 .when_some(item.tab_tooltip_text(cx), |tab, text| {
1480 tab.tooltip(move |cx| Tooltip::text(text.clone(), cx))
1481 })
1482 .start_slot::<Indicator>(indicator)
1483 .end_slot(
1484 IconButton::new("close tab", Icon::Close)
1485 .icon_color(Color::Muted)
1486 .size(ButtonSize::None)
1487 .icon_size(IconSize::XSmall)
1488 .on_click(cx.listener(move |pane, _, cx| {
1489 pane.close_item_by_id(id, SaveIntent::Close, cx)
1490 .detach_and_log_err(cx);
1491 })),
1492 )
1493 .child(label);
1494
1495 right_click_menu(ix).trigger(tab).menu(|cx| {
1496 ContextMenu::build(cx, |menu, cx| {
1497 menu.action("Close", CloseActiveItem { save_intent: None }.boxed_clone())
1498 .action("Close Others", CloseInactiveItems.boxed_clone())
1499 .separator()
1500 .action("Close Left", CloseItemsToTheLeft.boxed_clone())
1501 .action("Close Right", CloseItemsToTheRight.boxed_clone())
1502 .separator()
1503 .action("Close Clean", CloseCleanItems.boxed_clone())
1504 .action(
1505 "Close All",
1506 CloseAllItems { save_intent: None }.boxed_clone(),
1507 )
1508 })
1509 })
1510 }
1511
1512 fn render_tab_bar(&mut self, cx: &mut ViewContext<'_, Pane>) -> impl IntoElement {
1513 div()
1514 .id("tab_bar")
1515 .group("tab_bar")
1516 .track_focus(&self.tab_bar_focus_handle)
1517 .w_full()
1518 // 30px @ 16px/rem
1519 .h(rems(1.875))
1520 .overflow_hidden()
1521 .flex()
1522 .flex_none()
1523 .bg(cx.theme().colors().tab_bar_background)
1524 // Left Side
1525 .child(
1526 h_stack()
1527 .flex()
1528 .flex_none()
1529 .gap_1()
1530 .px_1()
1531 .border_b()
1532 .border_r()
1533 .border_color(cx.theme().colors().border)
1534 // Nav Buttons
1535 .child(
1536 IconButton::new("navigate_backward", Icon::ArrowLeft)
1537 .icon_size(IconSize::Small)
1538 .on_click({
1539 let view = cx.view().clone();
1540 move |_, cx| view.update(cx, Self::navigate_backward)
1541 })
1542 .disabled(!self.can_navigate_backward()),
1543 )
1544 .child(
1545 IconButton::new("navigate_forward", Icon::ArrowRight)
1546 .icon_size(IconSize::Small)
1547 .on_click({
1548 let view = cx.view().clone();
1549 move |_, cx| view.update(cx, Self::navigate_backward)
1550 })
1551 .disabled(!self.can_navigate_forward()),
1552 ),
1553 )
1554 .child(
1555 div()
1556 .relative()
1557 .flex_1()
1558 .h_full()
1559 .overflow_hidden_x()
1560 .child(
1561 div()
1562 .absolute()
1563 .top_0()
1564 .left_0()
1565 .z_index(1)
1566 .size_full()
1567 .border_b()
1568 .border_color(cx.theme().colors().border),
1569 )
1570 .child(
1571 h_stack().id("tabs").z_index(2).children(
1572 self.items
1573 .iter()
1574 .enumerate()
1575 .zip(self.tab_details(cx))
1576 .map(|((ix, item), detail)| self.render_tab(ix, item, detail, cx)),
1577 ),
1578 ),
1579 )
1580 // Right Side
1581 .child(
1582 h_stack()
1583 .flex()
1584 .flex_none()
1585 .gap_1()
1586 .px_1()
1587 .border_b()
1588 .border_l()
1589 .border_color(cx.theme().colors().border)
1590 .child(
1591 div()
1592 .flex()
1593 .items_center()
1594 .gap_px()
1595 .child(
1596 IconButton::new("plus", Icon::Plus)
1597 .icon_size(IconSize::Small)
1598 .on_click(cx.listener(|this, _, cx| {
1599 let menu = ContextMenu::build(cx, |menu, cx| {
1600 menu.action("New File", NewFile.boxed_clone())
1601 .action(
1602 "New Terminal",
1603 NewCenterTerminal.boxed_clone(),
1604 )
1605 .action("New Search", NewSearch.boxed_clone())
1606 });
1607 cx.subscribe(&menu, |this, _, event: &DismissEvent, cx| {
1608 this.focus(cx);
1609 this.new_item_menu = None;
1610 })
1611 .detach();
1612 this.new_item_menu = Some(menu);
1613 })),
1614 )
1615 .when_some(self.new_item_menu.as_ref(), |el, new_item_menu| {
1616 el.child(Self::render_menu_overlay(new_item_menu))
1617 })
1618 .child(
1619 IconButton::new("split", Icon::Split)
1620 .icon_size(IconSize::Small)
1621 .on_click(cx.listener(|this, _, cx| {
1622 let menu = ContextMenu::build(cx, |menu, cx| {
1623 menu.action("Split Right", SplitRight.boxed_clone())
1624 .action("Split Left", SplitLeft.boxed_clone())
1625 .action("Split Up", SplitUp.boxed_clone())
1626 .action("Split Down", SplitDown.boxed_clone())
1627 });
1628 cx.subscribe(&menu, |this, _, event: &DismissEvent, cx| {
1629 this.focus(cx);
1630 this.split_item_menu = None;
1631 })
1632 .detach();
1633 this.split_item_menu = Some(menu);
1634 })),
1635 )
1636 .when_some(self.split_item_menu.as_ref(), |el, split_item_menu| {
1637 el.child(Self::render_menu_overlay(split_item_menu))
1638 }),
1639 ),
1640 )
1641 }
1642
1643 fn render_menu_overlay(menu: &View<ContextMenu>) -> Div {
1644 div()
1645 .absolute()
1646 .z_index(1)
1647 .bottom_0()
1648 .right_0()
1649 .size_0()
1650 .child(overlay().anchor(AnchorCorner::TopRight).child(menu.clone()))
1651 }
1652
1653 // fn render_tabs(&mut self, cx: &mut ViewContext<Self>) -> impl Element<Self> {
1654 // let theme = theme::current(cx).clone();
1655
1656 // let pane = cx.handle().downgrade();
1657 // let autoscroll = if mem::take(&mut self.autoscroll) {
1658 // Some(self.active_item_index)
1659 // } else {
1660 // None
1661 // };
1662
1663 // let pane_active = self.has_focus;
1664
1665 // enum Tabs {}
1666 // let mut row = Flex::row().scrollable::<Tabs>(1, autoscroll, cx);
1667 // for (ix, (item, detail)) in self
1668 // .items
1669 // .iter()
1670 // .cloned()
1671 // .zip(self.tab_details(cx))
1672 // .enumerate()
1673 // {
1674 // let git_status = item
1675 // .project_path(cx)
1676 // .and_then(|path| self.project.read(cx).entry_for_path(&path, cx))
1677 // .and_then(|entry| entry.git_status());
1678
1679 // let detail = if detail == 0 { None } else { Some(detail) };
1680 // let tab_active = ix == self.active_item_index;
1681
1682 // row.add_child({
1683 // enum TabDragReceiver {}
1684 // let mut receiver =
1685 // dragged_item_receiver::<TabDragReceiver, _, _>(self, ix, ix, true, None, cx, {
1686 // let item = item.clone();
1687 // let pane = pane.clone();
1688 // let detail = detail.clone();
1689
1690 // let theme = theme::current(cx).clone();
1691 // let mut tooltip_theme = theme.tooltip.clone();
1692 // tooltip_theme.max_text_width = None;
1693 // let tab_tooltip_text =
1694 // item.tab_tooltip_text(cx).map(|text| text.into_owned());
1695
1696 // let mut tab_style = theme
1697 // .workspace
1698 // .tab_bar
1699 // .tab_style(pane_active, tab_active)
1700 // .clone();
1701 // let should_show_status = settings::get::<ItemSettings>(cx).git_status;
1702 // if should_show_status && git_status != None {
1703 // tab_style.label.text.color = match git_status.unwrap() {
1704 // GitFileStatus::Added => tab_style.git.inserted,
1705 // GitFileStatus::Modified => tab_style.git.modified,
1706 // GitFileStatus::Conflict => tab_style.git.conflict,
1707 // };
1708 // }
1709
1710 // move |mouse_state, cx| {
1711 // let hovered = mouse_state.hovered();
1712
1713 // enum Tab {}
1714 // let mouse_event_handler =
1715 // MouseEventHandler::new::<Tab, _>(ix, cx, |_, cx| {
1716 // Self::render_tab(
1717 // &item,
1718 // pane.clone(),
1719 // ix == 0,
1720 // detail,
1721 // hovered,
1722 // &tab_style,
1723 // cx,
1724 // )
1725 // })
1726 // .on_down(MouseButton::Left, move |_, this, cx| {
1727 // this.activate_item(ix, true, true, cx);
1728 // })
1729 // .on_click(MouseButton::Middle, {
1730 // let item_id = item.id();
1731 // move |_, pane, cx| {
1732 // pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1733 // .detach_and_log_err(cx);
1734 // }
1735 // })
1736 // .on_down(
1737 // MouseButton::Right,
1738 // move |event, pane, cx| {
1739 // pane.deploy_tab_context_menu(event.position, item.id(), cx);
1740 // },
1741 // );
1742
1743 // if let Some(tab_tooltip_text) = tab_tooltip_text {
1744 // mouse_event_handler
1745 // .with_tooltip::<Self>(
1746 // ix,
1747 // tab_tooltip_text,
1748 // None,
1749 // tooltip_theme,
1750 // cx,
1751 // )
1752 // .into_any()
1753 // } else {
1754 // mouse_event_handler.into_any()
1755 // }
1756 // }
1757 // });
1758
1759 // if !pane_active || !tab_active {
1760 // receiver = receiver.with_cursor_style(CursorStyle::PointingHand);
1761 // }
1762
1763 // receiver.as_draggable(
1764 // DraggedItem {
1765 // handle: item,
1766 // pane: pane.clone(),
1767 // },
1768 // {
1769 // let theme = theme::current(cx).clone();
1770
1771 // let detail = detail.clone();
1772 // move |_, dragged_item: &DraggedItem, cx: &mut ViewContext<Workspace>| {
1773 // let tab_style = &theme.workspace.tab_bar.dragged_tab;
1774 // Self::render_dragged_tab(
1775 // &dragged_item.handle,
1776 // dragged_item.pane.clone(),
1777 // false,
1778 // detail,
1779 // false,
1780 // &tab_style,
1781 // cx,
1782 // )
1783 // }
1784 // },
1785 // )
1786 // })
1787 // }
1788
1789 // // Use the inactive tab style along with the current pane's active status to decide how to render
1790 // // the filler
1791 // let filler_index = self.items.len();
1792 // let filler_style = theme.workspace.tab_bar.tab_style(pane_active, false);
1793 // enum Filler {}
1794 // row.add_child(
1795 // dragged_item_receiver::<Filler, _, _>(self, 0, filler_index, true, None, cx, |_, _| {
1796 // Empty::new()
1797 // .contained()
1798 // .with_style(filler_style.container)
1799 // .with_border(filler_style.container.border)
1800 // })
1801 // .flex(1., true)
1802 // .into_any_named("filler"),
1803 // );
1804
1805 // row
1806 // }
1807
1808 fn tab_details(&self, cx: &AppContext) -> Vec<usize> {
1809 let mut tab_details = self.items.iter().map(|_| 0).collect::<Vec<_>>();
1810
1811 let mut tab_descriptions = HashMap::default();
1812 let mut done = false;
1813 while !done {
1814 done = true;
1815
1816 // Store item indices by their tab description.
1817 for (ix, (item, detail)) in self.items.iter().zip(&tab_details).enumerate() {
1818 if let Some(description) = item.tab_description(*detail, cx) {
1819 if *detail == 0
1820 || Some(&description) != item.tab_description(detail - 1, cx).as_ref()
1821 {
1822 tab_descriptions
1823 .entry(description)
1824 .or_insert(Vec::new())
1825 .push(ix);
1826 }
1827 }
1828 }
1829
1830 // If two or more items have the same tab description, increase eir level
1831 // of detail and try again.
1832 for (_, item_ixs) in tab_descriptions.drain() {
1833 if item_ixs.len() > 1 {
1834 done = false;
1835 for ix in item_ixs {
1836 tab_details[ix] += 1;
1837 }
1838 }
1839 }
1840 }
1841
1842 tab_details
1843 }
1844
1845 // fn render_tab(
1846 // item: &Box<dyn ItemHandle>,
1847 // pane: WeakView<Pane>,
1848 // first: bool,
1849 // detail: Option<usize>,
1850 // hovered: bool,
1851 // tab_style: &theme::Tab,
1852 // cx: &mut ViewContext<Self>,
1853 // ) -> AnyElement<Self> {
1854 // let title = item.tab_content(detail, &tab_style, cx);
1855 // Self::render_tab_with_title(title, item, pane, first, hovered, tab_style, cx)
1856 // }
1857
1858 // fn render_dragged_tab(
1859 // item: &Box<dyn ItemHandle>,
1860 // pane: WeakView<Pane>,
1861 // first: bool,
1862 // detail: Option<usize>,
1863 // hovered: bool,
1864 // tab_style: &theme::Tab,
1865 // cx: &mut ViewContext<Workspace>,
1866 // ) -> AnyElement<Workspace> {
1867 // let title = item.dragged_tab_content(detail, &tab_style, cx);
1868 // Self::render_tab_with_title(title, item, pane, first, hovered, tab_style, cx)
1869 // }
1870
1871 // fn render_tab_with_title<T: View>(
1872 // title: AnyElement<T>,
1873 // item: &Box<dyn ItemHandle>,
1874 // pane: WeakView<Pane>,
1875 // first: bool,
1876 // hovered: bool,
1877 // tab_style: &theme::Tab,
1878 // cx: &mut ViewContext<T>,
1879 // ) -> AnyElement<T> {
1880 // let mut container = tab_style.container.clone();
1881 // if first {
1882 // container.border.left = false;
1883 // }
1884
1885 // let buffer_jewel_element = {
1886 // let diameter = 7.0;
1887 // let icon_color = if item.has_conflict(cx) {
1888 // Some(tab_style.icon_conflict)
1889 // } else if item.is_dirty(cx) {
1890 // Some(tab_style.icon_dirty)
1891 // } else {
1892 // None
1893 // };
1894
1895 // Canvas::new(move |bounds, _, _, cx| {
1896 // if let Some(color) = icon_color {
1897 // let square = RectF::new(bounds.origin(), vec2f(diameter, diameter));
1898 // cx.scene().push_quad(Quad {
1899 // bounds: square,
1900 // background: Some(color),
1901 // border: Default::default(),
1902 // corner_radii: (diameter / 2.).into(),
1903 // });
1904 // }
1905 // })
1906 // .constrained()
1907 // .with_width(diameter)
1908 // .with_height(diameter)
1909 // .aligned()
1910 // };
1911
1912 // let title_element = title.aligned().contained().with_style(ContainerStyle {
1913 // margin: Margin {
1914 // left: tab_style.spacing,
1915 // right: tab_style.spacing,
1916 // ..Default::default()
1917 // },
1918 // ..Default::default()
1919 // });
1920
1921 // let close_element = if hovered {
1922 // let item_id = item.id();
1923 // enum TabCloseButton {}
1924 // let icon = Svg::new("icons/x.svg");
1925 // MouseEventHandler::new::<TabCloseButton, _>(item_id, cx, |mouse_state, _| {
1926 // if mouse_state.hovered() {
1927 // icon.with_color(tab_style.icon_close_active)
1928 // } else {
1929 // icon.with_color(tab_style.icon_close)
1930 // }
1931 // })
1932 // .with_padding(Padding::uniform(4.))
1933 // .with_cursor_style(CursorStyle::PointingHand)
1934 // .on_click(MouseButton::Left, {
1935 // let pane = pane.clone();
1936 // move |_, _, cx| {
1937 // let pane = pane.clone();
1938 // cx.window_context().defer(move |cx| {
1939 // if let Some(pane) = pane.upgrade(cx) {
1940 // pane.update(cx, |pane, cx| {
1941 // pane.close_item_by_id(item_id, SaveIntent::Close, cx)
1942 // .detach_and_log_err(cx);
1943 // });
1944 // }
1945 // });
1946 // }
1947 // })
1948 // .into_any_named("close-tab-icon")
1949 // .constrained()
1950 // } else {
1951 // Empty::new().constrained()
1952 // }
1953 // .with_width(tab_style.close_icon_width)
1954 // .aligned();
1955
1956 // let close_right = settings::get::<ItemSettings>(cx).close_position.right();
1957
1958 // if close_right {
1959 // Flex::row()
1960 // .with_child(buffer_jewel_element)
1961 // .with_child(title_element)
1962 // .with_child(close_element)
1963 // } else {
1964 // Flex::row()
1965 // .with_child(close_element)
1966 // .with_child(title_element)
1967 // .with_child(buffer_jewel_element)
1968 // }
1969 // .contained()
1970 // .with_style(container)
1971 // .constrained()
1972 // .with_height(tab_style.height)
1973 // .into_any()
1974 // }
1975
1976 // pub fn render_tab_bar_button<
1977 // F1: 'static + Fn(&mut Pane, &mut EventContext<Pane>),
1978 // F2: 'static + Fn(&mut Pane, &mut EventContext<Pane>),
1979 // >(
1980 // index: usize,
1981 // icon: &'static str,
1982 // is_active: bool,
1983 // tooltip: Option<(&'static str, Option<Box<dyn Action>>)>,
1984 // cx: &mut ViewContext<Pane>,
1985 // on_click: F1,
1986 // on_down: F2,
1987 // context_menu: Option<ViewHandle<ContextMenu>>,
1988 // ) -> AnyElement<Pane> {
1989 // enum TabBarButton {}
1990
1991 // let mut button = MouseEventHandler::new::<TabBarButton, _>(index, cx, |mouse_state, cx| {
1992 // let theme = &settings2::get::<ThemeSettings>(cx).theme.workspace.tab_bar;
1993 // let style = theme.pane_button.in_state(is_active).style_for(mouse_state);
1994 // Svg::new(icon)
1995 // .with_color(style.color)
1996 // .constrained()
1997 // .with_width(style.icon_width)
1998 // .aligned()
1999 // .constrained()
2000 // .with_width(style.button_width)
2001 // .with_height(style.button_width)
2002 // })
2003 // .with_cursor_style(CursorStyle::PointingHand)
2004 // .on_down(MouseButton::Left, move |_, pane, cx| on_down(pane, cx))
2005 // .on_click(MouseButton::Left, move |_, pane, cx| on_click(pane, cx))
2006 // .into_any();
2007 // if let Some((tooltip, action)) = tooltip {
2008 // let tooltip_style = settings::get::<ThemeSettings>(cx).theme.tooltip.clone();
2009 // button = button
2010 // .with_tooltip::<TabBarButton>(index, tooltip, action, tooltip_style, cx)
2011 // .into_any();
2012 // }
2013
2014 // Stack::new()
2015 // .with_child(button)
2016 // .with_children(
2017 // context_menu.map(|menu| ChildView::new(&menu, cx).aligned().bottom().right()),
2018 // )
2019 // .flex(1., false)
2020 // .into_any_named("tab bar button")
2021 // }
2022
2023 // fn render_blank_pane(&self, theme: &Theme, _cx: &mut ViewContext<Self>) -> AnyElement<Self> {
2024 // let background = theme.workspace.background;
2025 // Empty::new()
2026 // .contained()
2027 // .with_background_color(background)
2028 // .into_any()
2029 // }
2030
2031 pub fn set_zoomed(&mut self, zoomed: bool, cx: &mut ViewContext<Self>) {
2032 self.zoomed = zoomed;
2033 cx.notify();
2034 }
2035
2036 pub fn is_zoomed(&self) -> bool {
2037 self.zoomed
2038 }
2039}
2040
2041impl FocusableView for Pane {
2042 fn focus_handle(&self, _cx: &AppContext) -> FocusHandle {
2043 self.focus_handle.clone()
2044 }
2045}
2046
2047impl Render for Pane {
2048 type Element = Focusable<Div>;
2049
2050 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
2051 let this = cx.view().downgrade();
2052
2053 v_stack()
2054 .key_context("Pane")
2055 .track_focus(&self.focus_handle)
2056 .size_full()
2057 .overflow_hidden()
2058 .on_focus_in({
2059 let this = this.clone();
2060 move |event, cx| {
2061 this.update(cx, |this, cx| this.focus_in(cx)).ok();
2062 }
2063 })
2064 .on_focus_out({
2065 let this = this.clone();
2066 move |event, cx| {
2067 this.update(cx, |this, cx| this.focus_out(cx)).ok();
2068 }
2069 })
2070 .on_action(cx.listener(|pane, _: &SplitLeft, cx| pane.split(SplitDirection::Left, cx)))
2071 .on_action(cx.listener(|pane, _: &SplitUp, cx| pane.split(SplitDirection::Up, cx)))
2072 .on_action(
2073 cx.listener(|pane, _: &SplitRight, cx| pane.split(SplitDirection::Right, cx)),
2074 )
2075 .on_action(cx.listener(|pane, _: &SplitDown, cx| pane.split(SplitDirection::Down, cx)))
2076 .on_action(cx.listener(|pane, _: &GoBack, cx| pane.navigate_backward(cx)))
2077 .on_action(cx.listener(|pane, _: &GoForward, cx| pane.navigate_forward(cx)))
2078 .on_action(cx.listener(Pane::toggle_zoom))
2079 .on_action(cx.listener(|pane: &mut Pane, action: &ActivateItem, cx| {
2080 pane.activate_item(action.0, true, true, cx);
2081 }))
2082 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateLastItem, cx| {
2083 pane.activate_item(pane.items.len() - 1, true, true, cx);
2084 }))
2085 .on_action(cx.listener(|pane: &mut Pane, _: &ActivatePrevItem, cx| {
2086 pane.activate_prev_item(true, cx);
2087 }))
2088 .on_action(cx.listener(|pane: &mut Pane, _: &ActivateNextItem, cx| {
2089 pane.activate_next_item(true, cx);
2090 }))
2091 .on_action(
2092 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2093 pane.close_active_item(action, cx)
2094 .map(|task| task.detach_and_log_err(cx));
2095 }),
2096 )
2097 .on_action(
2098 cx.listener(|pane: &mut Self, action: &CloseInactiveItems, cx| {
2099 pane.close_inactive_items(action, cx)
2100 .map(|task| task.detach_and_log_err(cx));
2101 }),
2102 )
2103 .on_action(
2104 cx.listener(|pane: &mut Self, action: &CloseCleanItems, cx| {
2105 pane.close_clean_items(action, cx)
2106 .map(|task| task.detach_and_log_err(cx));
2107 }),
2108 )
2109 .on_action(
2110 cx.listener(|pane: &mut Self, action: &CloseItemsToTheLeft, cx| {
2111 pane.close_items_to_the_left(action, cx)
2112 .map(|task| task.detach_and_log_err(cx));
2113 }),
2114 )
2115 .on_action(
2116 cx.listener(|pane: &mut Self, action: &CloseItemsToTheRight, cx| {
2117 pane.close_items_to_the_right(action, cx)
2118 .map(|task| task.detach_and_log_err(cx));
2119 }),
2120 )
2121 .on_action(cx.listener(|pane: &mut Self, action: &CloseAllItems, cx| {
2122 pane.close_all_items(action, cx)
2123 .map(|task| task.detach_and_log_err(cx));
2124 }))
2125 .on_action(
2126 cx.listener(|pane: &mut Self, action: &CloseActiveItem, cx| {
2127 pane.close_active_item(action, cx)
2128 .map(|task| task.detach_and_log_err(cx));
2129 }),
2130 )
2131 .child(self.render_tab_bar(cx))
2132 .child(self.toolbar.clone())
2133 .child(if let Some(item) = self.active_item() {
2134 div().flex().flex_1().child(item.to_any())
2135 } else {
2136 h_stack()
2137 .items_center()
2138 .size_full()
2139 .justify_center()
2140 .child(Label::new("Open a file or project to get started.").color(Color::Muted))
2141 })
2142 // enum MouseNavigationHandler {}
2143 // MouseEventHandler::new::<MouseNavigationHandler, _>(0, cx, |_, cx| {
2144 // let active_item_index = self.active_item_index;
2145 // if let Some(active_item) = self.active_item() {
2146 // Flex::column()
2147 // .with_child({
2148 // let theme = theme::current(cx).clone();
2149 // let mut stack = Stack::new();
2150 // enum TabBarEventHandler {}
2151 // stack.add_child(
2152 // MouseEventHandler::new::<TabBarEventHandler, _>(0, cx, |_, _| {
2153 // Empty::new()
2154 // .contained()
2155 // .with_style(theme.workspace.tab_bar.container)
2156 // })
2157 // .on_down(
2158 // MouseButton::Left,
2159 // move |_, this, cx| {
2160 // this.activate_item(active_item_index, true, true, cx);
2161 // },
2162 // ),
2163 // );
2164 // let tooltip_style = theme.tooltip.clone();
2165 // let tab_bar_theme = theme.workspace.tab_bar.clone();
2166 // let nav_button_height = tab_bar_theme.height;
2167 // let button_style = tab_bar_theme.nav_button;
2168 // let border_for_nav_buttons = tab_bar_theme
2169 // .tab_style(false, false)
2170 // .container
2171 // .border
2172 // .clone();
2173 // let mut tab_row = Flex::row()
2174 // .with_child(nav_button(
2175 // "icons/arrow_left.svg",
2176 // button_style.clone(),
2177 // nav_button_height,
2178 // tooltip_style.clone(),
2179 // self.can_navigate_backward(),
2180 // {
2181 // move |pane, cx| {
2182 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2183 // let pane = cx.weak_handle();
2184 // cx.window_context().defer(move |cx| {
2185 // workspace.update(cx, |workspace, cx| {
2186 // workspace
2187 // .go_back(pane, cx)
2188 // .detach_and_log_err(cx)
2189 // })
2190 // })
2191 // }
2192 // }
2193 // },
2194 // super::GoBack,
2195 // "Go Back",
2196 // cx,
2197 // ))
2198 // .with_child(
2199 // nav_button(
2200 // "icons/arrow_right.svg",
2201 // button_style.clone(),
2202 // nav_button_height,
2203 // tooltip_style,
2204 // self.can_navigate_forward(),
2205 // {
2206 // move |pane, cx| {
2207 // if let Some(workspace) = pane.workspace.upgrade(cx) {
2208 // let pane = cx.weak_handle();
2209 // cx.window_context().defer(move |cx| {
2210 // workspace.update(cx, |workspace, cx| {
2211 // workspace
2212 // .go_forward(pane, cx)
2213 // .detach_and_log_err(cx)
2214 // })
2215 // })
2216 // }
2217 // }
2218 // },
2219 // super::GoForward,
2220 // "Go Forward",
2221 // cx,
2222 // )
2223 // .contained()
2224 // .with_border(border_for_nav_buttons),
2225 // )
2226 // .with_child(self.render_tabs(cx).flex(1., true).into_any_named("tabs"));
2227 // if self.has_focus {
2228 // let render_tab_bar_buttons = self.render_tab_bar_buttons.clone();
2229 // tab_row.add_child(
2230 // (render_tab_bar_buttons)(self, cx)
2231 // .contained()
2232 // .with_style(theme.workspace.tab_bar.pane_button_container)
2233 // .flex(1., false)
2234 // .into_any(),
2235 // )
2236 // }
2237 // stack.add_child(tab_row);
2238 // stack
2239 // .constrained()
2240 // .with_height(theme.workspace.tab_bar.height)
2241 // .flex(1., false)
2242 // .into_any_named("tab bar")
2243 // })
2244 // .with_child({
2245 // enum PaneContentTabDropTarget {}
2246 // dragged_item_receiver::<PaneContentTabDropTarget, _, _>(
2247 // self,
2248 // 0,
2249 // self.active_item_index + 1,
2250 // !self.can_split,
2251 // if self.can_split { Some(100.) } else { None },
2252 // cx,
2253 // {
2254 // let toolbar = self.toolbar.clone();
2255 // let toolbar_hidden = toolbar.read(cx).hidden();
2256 // move |_, cx| {
2257 // Flex::column()
2258 // .with_children(
2259 // (!toolbar_hidden)
2260 // .then(|| ChildView::new(&toolbar, cx).expanded()),
2261 // )
2262 // .with_child(
2263 // ChildView::new(active_item.as_any(), cx).flex(1., true),
2264 // )
2265 // }
2266 // },
2267 // )
2268 // .flex(1., true)
2269 // })
2270 // .with_child(ChildView::new(&self.tab_context_menu, cx))
2271 // .into_any()
2272 // } else {
2273 // enum EmptyPane {}
2274 // let theme = theme::current(cx).clone();
2275 // dragged_item_receiver::<EmptyPane, _, _>(self, 0, 0, false, None, cx, |_, cx| {
2276 // self.render_blank_pane(&theme, cx)
2277 // })
2278 // .on_down(MouseButton::Left, |_, _, cx| {
2279 // cx.focus_parent();
2280 // })
2281 // .into_any()
2282 // }
2283 // })
2284 .on_mouse_down(
2285 MouseButton::Navigate(NavigationDirection::Back),
2286 cx.listener(|pane, _, cx| {
2287 if let Some(workspace) = pane.workspace.upgrade() {
2288 let pane = cx.view().downgrade();
2289 cx.window_context().defer(move |cx| {
2290 workspace.update(cx, |workspace, cx| {
2291 workspace.go_back(pane, cx).detach_and_log_err(cx)
2292 })
2293 })
2294 }
2295 }),
2296 )
2297 .on_mouse_down(
2298 MouseButton::Navigate(NavigationDirection::Forward),
2299 cx.listener(|pane, _, cx| {
2300 if let Some(workspace) = pane.workspace.upgrade() {
2301 let pane = cx.view().downgrade();
2302 cx.window_context().defer(move |cx| {
2303 workspace.update(cx, |workspace, cx| {
2304 workspace.go_forward(pane, cx).detach_and_log_err(cx)
2305 })
2306 })
2307 }
2308 }),
2309 )
2310 // .into_any_named("pane")
2311 }
2312
2313 // fn focus_in(&mut self, focused: AnyViewHandle, cx: &mut ViewContext<Self>) {
2314 // if !self.has_focus {
2315 // self.has_focus = true;
2316 // cx.emit(Event::Focus);
2317 // cx.notify();
2318 // }
2319
2320 // self.toolbar.update(cx, |toolbar, cx| {
2321 // toolbar.focus_changed(true, cx);
2322 // });
2323
2324 // if let Some(active_item) = self.active_item() {
2325 // if cx.is_self_focused() {
2326 // // Pane was focused directly. We need to either focus a view inside the active item,
2327 // // or focus the active item itself
2328 // if let Some(weak_last_focused_view) =
2329 // self.last_focused_view_by_item.get(&active_item.id())
2330 // {
2331 // if let Some(last_focused_view) = weak_last_focused_view.upgrade(cx) {
2332 // cx.focus(&last_focused_view);
2333 // return;
2334 // } else {
2335 // self.last_focused_view_by_item.remove(&active_item.id());
2336 // }
2337 // }
2338
2339 // cx.focus(active_item.as_any());
2340 // } else if focused != self.tab_bar_context_menu.handle {
2341 // self.last_focused_view_by_item
2342 // .insert(active_item.id(), focused.downgrade());
2343 // }
2344 // }
2345 // }
2346
2347 // fn focus_out(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
2348 // self.has_focus = false;
2349 // self.toolbar.update(cx, |toolbar, cx| {
2350 // toolbar.focus_changed(false, cx);
2351 // });
2352 // cx.notify();
2353 // }
2354
2355 // fn update_keymap_context(&self, keymap: &mut KeymapContext, _: &AppContext) {
2356 // Self::reset_to_default_keymap_context(keymap);
2357 // }
2358}
2359
2360impl ItemNavHistory {
2361 pub fn push<D: 'static + Send + Any>(&mut self, data: Option<D>, cx: &mut WindowContext) {
2362 self.history.push(data, self.item.clone(), cx);
2363 }
2364
2365 pub fn pop_backward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2366 self.history.pop(NavigationMode::GoingBack, cx)
2367 }
2368
2369 pub fn pop_forward(&mut self, cx: &mut WindowContext) -> Option<NavigationEntry> {
2370 self.history.pop(NavigationMode::GoingForward, cx)
2371 }
2372}
2373
2374impl NavHistory {
2375 pub fn for_each_entry(
2376 &self,
2377 cx: &AppContext,
2378 mut f: impl FnMut(&NavigationEntry, (ProjectPath, Option<PathBuf>)),
2379 ) {
2380 let borrowed_history = self.0.lock();
2381 borrowed_history
2382 .forward_stack
2383 .iter()
2384 .chain(borrowed_history.backward_stack.iter())
2385 .chain(borrowed_history.closed_stack.iter())
2386 .for_each(|entry| {
2387 if let Some(project_and_abs_path) =
2388 borrowed_history.paths_by_item.get(&entry.item.id())
2389 {
2390 f(entry, project_and_abs_path.clone());
2391 } else if let Some(item) = entry.item.upgrade() {
2392 if let Some(path) = item.project_path(cx) {
2393 f(entry, (path, None));
2394 }
2395 }
2396 })
2397 }
2398
2399 pub fn set_mode(&mut self, mode: NavigationMode) {
2400 self.0.lock().mode = mode;
2401 }
2402
2403 pub fn mode(&self) -> NavigationMode {
2404 self.0.lock().mode
2405 }
2406
2407 pub fn disable(&mut self) {
2408 self.0.lock().mode = NavigationMode::Disabled;
2409 }
2410
2411 pub fn enable(&mut self) {
2412 self.0.lock().mode = NavigationMode::Normal;
2413 }
2414
2415 pub fn pop(&mut self, mode: NavigationMode, cx: &mut WindowContext) -> Option<NavigationEntry> {
2416 let mut state = self.0.lock();
2417 let entry = match mode {
2418 NavigationMode::Normal | NavigationMode::Disabled | NavigationMode::ClosingItem => {
2419 return None
2420 }
2421 NavigationMode::GoingBack => &mut state.backward_stack,
2422 NavigationMode::GoingForward => &mut state.forward_stack,
2423 NavigationMode::ReopeningClosedItem => &mut state.closed_stack,
2424 }
2425 .pop_back();
2426 if entry.is_some() {
2427 state.did_update(cx);
2428 }
2429 entry
2430 }
2431
2432 pub fn push<D: 'static + Send + Any>(
2433 &mut self,
2434 data: Option<D>,
2435 item: Arc<dyn WeakItemHandle>,
2436 cx: &mut WindowContext,
2437 ) {
2438 let state = &mut *self.0.lock();
2439 match state.mode {
2440 NavigationMode::Disabled => {}
2441 NavigationMode::Normal | NavigationMode::ReopeningClosedItem => {
2442 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2443 state.backward_stack.pop_front();
2444 }
2445 state.backward_stack.push_back(NavigationEntry {
2446 item,
2447 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2448 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2449 });
2450 state.forward_stack.clear();
2451 }
2452 NavigationMode::GoingBack => {
2453 if state.forward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2454 state.forward_stack.pop_front();
2455 }
2456 state.forward_stack.push_back(NavigationEntry {
2457 item,
2458 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2459 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2460 });
2461 }
2462 NavigationMode::GoingForward => {
2463 if state.backward_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2464 state.backward_stack.pop_front();
2465 }
2466 state.backward_stack.push_back(NavigationEntry {
2467 item,
2468 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2469 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2470 });
2471 }
2472 NavigationMode::ClosingItem => {
2473 if state.closed_stack.len() >= MAX_NAVIGATION_HISTORY_LEN {
2474 state.closed_stack.pop_front();
2475 }
2476 state.closed_stack.push_back(NavigationEntry {
2477 item,
2478 data: data.map(|data| Box::new(data) as Box<dyn Any + Send>),
2479 timestamp: state.next_timestamp.fetch_add(1, Ordering::SeqCst),
2480 });
2481 }
2482 }
2483 state.did_update(cx);
2484 }
2485
2486 pub fn remove_item(&mut self, item_id: EntityId) {
2487 let mut state = self.0.lock();
2488 state.paths_by_item.remove(&item_id);
2489 state
2490 .backward_stack
2491 .retain(|entry| entry.item.id() != item_id);
2492 state
2493 .forward_stack
2494 .retain(|entry| entry.item.id() != item_id);
2495 state
2496 .closed_stack
2497 .retain(|entry| entry.item.id() != item_id);
2498 }
2499
2500 pub fn path_for_item(&self, item_id: EntityId) -> Option<(ProjectPath, Option<PathBuf>)> {
2501 self.0.lock().paths_by_item.get(&item_id).cloned()
2502 }
2503}
2504
2505impl NavHistoryState {
2506 pub fn did_update(&self, cx: &mut WindowContext) {
2507 if let Some(pane) = self.pane.upgrade() {
2508 cx.defer(move |cx| {
2509 pane.update(cx, |pane, cx| pane.history_updated(cx));
2510 });
2511 }
2512 }
2513}
2514
2515// pub struct PaneBackdrop<V> {
2516// child_view: usize,
2517// child: AnyElement<V>,
2518// }
2519
2520// impl<V> PaneBackdrop<V> {
2521// pub fn new(pane_item_view: usize, child: AnyElement<V>) -> Self {
2522// PaneBackdrop {
2523// child,
2524// child_view: pane_item_view,
2525// }
2526// }
2527// }
2528
2529// impl<V: 'static> Element<V> for PaneBackdrop<V> {
2530// type LayoutState = ();
2531
2532// type PaintState = ();
2533
2534// fn layout(
2535// &mut self,
2536// constraint: gpui::SizeConstraint,
2537// view: &mut V,
2538// cx: &mut ViewContext<V>,
2539// ) -> (Vector2F, Self::LayoutState) {
2540// let size = self.child.layout(constraint, view, cx);
2541// (size, ())
2542// }
2543
2544// fn paint(
2545// &mut self,
2546// bounds: RectF,
2547// visible_bounds: RectF,
2548// _: &mut Self::LayoutState,
2549// view: &mut V,
2550// cx: &mut ViewContext<V>,
2551// ) -> Self::PaintState {
2552// let background = theme::current(cx).editor.background;
2553
2554// let visible_bounds = bounds.intersection(visible_bounds).unwrap_or_default();
2555
2556// cx.scene().push_quad(gpui::Quad {
2557// bounds: RectF::new(bounds.origin(), bounds.size()),
2558// background: Some(background),
2559// ..Default::default()
2560// });
2561
2562// let child_view_id = self.child_view;
2563// cx.scene().push_mouse_region(
2564// MouseRegion::new::<Self>(child_view_id, 0, visible_bounds).on_down(
2565// gpui::platform::MouseButton::Left,
2566// move |_, _: &mut V, cx| {
2567// let window = cx.window();
2568// cx.app_context().focus(window, Some(child_view_id))
2569// },
2570// ),
2571// );
2572
2573// cx.scene().push_layer(Some(bounds));
2574// self.child.paint(bounds.origin(), visible_bounds, view, cx);
2575// cx.scene().pop_layer();
2576// }
2577
2578// fn rect_for_text_range(
2579// &self,
2580// range_utf16: std::ops::Range<usize>,
2581// _bounds: RectF,
2582// _visible_bounds: RectF,
2583// _layout: &Self::LayoutState,
2584// _paint: &Self::PaintState,
2585// view: &V,
2586// cx: &gpui::ViewContext<V>,
2587// ) -> Option<RectF> {
2588// self.child.rect_for_text_range(range_utf16, view, cx)
2589// }
2590
2591// fn debug(
2592// &self,
2593// _bounds: RectF,
2594// _layout: &Self::LayoutState,
2595// _paint: &Self::PaintState,
2596// view: &V,
2597// cx: &gpui::ViewContext<V>,
2598// ) -> serde_json::Value {
2599// gpui::json::json!({
2600// "type": "Pane Back Drop",
2601// "view": self.child_view,
2602// "child": self.child.debug(view, cx),
2603// })
2604// }
2605// }
2606
2607fn dirty_message_for(buffer_path: Option<ProjectPath>) -> String {
2608 let path = buffer_path
2609 .as_ref()
2610 .and_then(|p| p.path.to_str())
2611 .unwrap_or(&"This buffer");
2612 let path = truncate_and_remove_front(path, 80);
2613 format!("{path} contains unsaved edits. Do you want to save it?")
2614}
2615
2616// todo!("uncomment tests")
2617// #[cfg(test)]
2618// mod tests {
2619// use super::*;
2620// use crate::item::test::{TestItem, TestProjectItem};
2621// use gpui::TestAppContext;
2622// use project::FakeFs;
2623// use settings::SettingsStore;
2624
2625// #[gpui::test]
2626// async fn test_remove_active_empty(cx: &mut TestAppContext) {
2627// init_test(cx);
2628// let fs = FakeFs::new(cx.background());
2629
2630// let project = Project::test(fs, None, cx).await;
2631// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2632// let workspace = window.root(cx);
2633// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2634
2635// pane.update(cx, |pane, cx| {
2636// assert!(pane
2637// .close_active_item(&CloseActiveItem { save_intent: None }, cx)
2638// .is_none())
2639// });
2640// }
2641
2642// #[gpui::test]
2643// async fn test_add_item_with_new_item(cx: &mut TestAppContext) {
2644// cx.foreground().forbid_parking();
2645// init_test(cx);
2646// let fs = FakeFs::new(cx.background());
2647
2648// let project = Project::test(fs, None, cx).await;
2649// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2650// let workspace = window.root(cx);
2651// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2652
2653// // 1. Add with a destination index
2654// // a. Add before the active item
2655// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2656// pane.update(cx, |pane, cx| {
2657// pane.add_item(
2658// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2659// false,
2660// false,
2661// Some(0),
2662// cx,
2663// );
2664// });
2665// assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2666
2667// // b. Add after the active item
2668// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2669// pane.update(cx, |pane, cx| {
2670// pane.add_item(
2671// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2672// false,
2673// false,
2674// Some(2),
2675// cx,
2676// );
2677// });
2678// assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2679
2680// // c. Add at the end of the item list (including off the length)
2681// set_labeled_items(&pane, ["A", "B*", "C"], cx);
2682// pane.update(cx, |pane, cx| {
2683// pane.add_item(
2684// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2685// false,
2686// false,
2687// Some(5),
2688// cx,
2689// );
2690// });
2691// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2692
2693// // 2. Add without a destination index
2694// // a. Add with active item at the start of the item list
2695// set_labeled_items(&pane, ["A*", "B", "C"], cx);
2696// pane.update(cx, |pane, cx| {
2697// pane.add_item(
2698// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2699// false,
2700// false,
2701// None,
2702// cx,
2703// );
2704// });
2705// set_labeled_items(&pane, ["A", "D*", "B", "C"], cx);
2706
2707// // b. Add with active item at the end of the item list
2708// set_labeled_items(&pane, ["A", "B", "C*"], cx);
2709// pane.update(cx, |pane, cx| {
2710// pane.add_item(
2711// Box::new(cx.add_view(|_| TestItem::new().with_label("D"))),
2712// false,
2713// false,
2714// None,
2715// cx,
2716// );
2717// });
2718// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2719// }
2720
2721// #[gpui::test]
2722// async fn test_add_item_with_existing_item(cx: &mut TestAppContext) {
2723// cx.foreground().forbid_parking();
2724// init_test(cx);
2725// let fs = FakeFs::new(cx.background());
2726
2727// let project = Project::test(fs, None, cx).await;
2728// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2729// let workspace = window.root(cx);
2730// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2731
2732// // 1. Add with a destination index
2733// // 1a. Add before the active item
2734// let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2735// pane.update(cx, |pane, cx| {
2736// pane.add_item(d, false, false, Some(0), cx);
2737// });
2738// assert_item_labels(&pane, ["D*", "A", "B", "C"], cx);
2739
2740// // 1b. Add after the active item
2741// let [_, _, _, d] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2742// pane.update(cx, |pane, cx| {
2743// pane.add_item(d, false, false, Some(2), cx);
2744// });
2745// assert_item_labels(&pane, ["A", "B", "D*", "C"], cx);
2746
2747// // 1c. Add at the end of the item list (including off the length)
2748// let [a, _, _, _] = set_labeled_items(&pane, ["A", "B*", "C", "D"], cx);
2749// pane.update(cx, |pane, cx| {
2750// pane.add_item(a, false, false, Some(5), cx);
2751// });
2752// assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2753
2754// // 1d. Add same item to active index
2755// let [_, b, _] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2756// pane.update(cx, |pane, cx| {
2757// pane.add_item(b, false, false, Some(1), cx);
2758// });
2759// assert_item_labels(&pane, ["A", "B*", "C"], cx);
2760
2761// // 1e. Add item to index after same item in last position
2762// let [_, _, c] = set_labeled_items(&pane, ["A", "B*", "C"], cx);
2763// pane.update(cx, |pane, cx| {
2764// pane.add_item(c, false, false, Some(2), cx);
2765// });
2766// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2767
2768// // 2. Add without a destination index
2769// // 2a. Add with active item at the start of the item list
2770// let [_, _, _, d] = set_labeled_items(&pane, ["A*", "B", "C", "D"], cx);
2771// pane.update(cx, |pane, cx| {
2772// pane.add_item(d, false, false, None, cx);
2773// });
2774// assert_item_labels(&pane, ["A", "D*", "B", "C"], cx);
2775
2776// // 2b. Add with active item at the end of the item list
2777// let [a, _, _, _] = set_labeled_items(&pane, ["A", "B", "C", "D*"], cx);
2778// pane.update(cx, |pane, cx| {
2779// pane.add_item(a, false, false, None, cx);
2780// });
2781// assert_item_labels(&pane, ["B", "C", "D", "A*"], cx);
2782
2783// // 2c. Add active item to active item at end of list
2784// let [_, _, c] = set_labeled_items(&pane, ["A", "B", "C*"], cx);
2785// pane.update(cx, |pane, cx| {
2786// pane.add_item(c, false, false, None, cx);
2787// });
2788// assert_item_labels(&pane, ["A", "B", "C*"], cx);
2789
2790// // 2d. Add active item to active item at start of list
2791// let [a, _, _] = set_labeled_items(&pane, ["A*", "B", "C"], cx);
2792// pane.update(cx, |pane, cx| {
2793// pane.add_item(a, false, false, None, cx);
2794// });
2795// assert_item_labels(&pane, ["A*", "B", "C"], cx);
2796// }
2797
2798// #[gpui::test]
2799// async fn test_add_item_with_same_project_entries(cx: &mut TestAppContext) {
2800// cx.foreground().forbid_parking();
2801// init_test(cx);
2802// let fs = FakeFs::new(cx.background());
2803
2804// let project = Project::test(fs, None, cx).await;
2805// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2806// let workspace = window.root(cx);
2807// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2808
2809// // singleton view
2810// pane.update(cx, |pane, cx| {
2811// let item = TestItem::new()
2812// .with_singleton(true)
2813// .with_label("buffer 1")
2814// .with_project_items(&[TestProjectItem::new(1, "one.txt", cx)]);
2815
2816// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2817// });
2818// assert_item_labels(&pane, ["buffer 1*"], cx);
2819
2820// // new singleton view with the same project entry
2821// pane.update(cx, |pane, cx| {
2822// let item = TestItem::new()
2823// .with_singleton(true)
2824// .with_label("buffer 1")
2825// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2826
2827// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2828// });
2829// assert_item_labels(&pane, ["buffer 1*"], cx);
2830
2831// // new singleton view with different project entry
2832// pane.update(cx, |pane, cx| {
2833// let item = TestItem::new()
2834// .with_singleton(true)
2835// .with_label("buffer 2")
2836// .with_project_items(&[TestProjectItem::new(2, "2.txt", cx)]);
2837// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2838// });
2839// assert_item_labels(&pane, ["buffer 1", "buffer 2*"], cx);
2840
2841// // new multibuffer view with the same project entry
2842// pane.update(cx, |pane, cx| {
2843// let item = TestItem::new()
2844// .with_singleton(false)
2845// .with_label("multibuffer 1")
2846// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2847
2848// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2849// });
2850// assert_item_labels(&pane, ["buffer 1", "buffer 2", "multibuffer 1*"], cx);
2851
2852// // another multibuffer view with the same project entry
2853// pane.update(cx, |pane, cx| {
2854// let item = TestItem::new()
2855// .with_singleton(false)
2856// .with_label("multibuffer 1b")
2857// .with_project_items(&[TestProjectItem::new(1, "1.txt", cx)]);
2858
2859// pane.add_item(Box::new(cx.add_view(|_| item)), false, false, None, cx);
2860// });
2861// assert_item_labels(
2862// &pane,
2863// ["buffer 1", "buffer 2", "multibuffer 1", "multibuffer 1b*"],
2864// cx,
2865// );
2866// }
2867
2868// #[gpui::test]
2869// async fn test_remove_item_ordering(cx: &mut TestAppContext) {
2870// init_test(cx);
2871// let fs = FakeFs::new(cx.background());
2872
2873// let project = Project::test(fs, None, cx).await;
2874// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2875// let workspace = window.root(cx);
2876// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2877
2878// add_labeled_item(&pane, "A", false, cx);
2879// add_labeled_item(&pane, "B", false, cx);
2880// add_labeled_item(&pane, "C", false, cx);
2881// add_labeled_item(&pane, "D", false, cx);
2882// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2883
2884// pane.update(cx, |pane, cx| pane.activate_item(1, false, false, cx));
2885// add_labeled_item(&pane, "1", false, cx);
2886// assert_item_labels(&pane, ["A", "B", "1*", "C", "D"], cx);
2887
2888// pane.update(cx, |pane, cx| {
2889// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2890// })
2891// .unwrap()
2892// .await
2893// .unwrap();
2894// assert_item_labels(&pane, ["A", "B*", "C", "D"], cx);
2895
2896// pane.update(cx, |pane, cx| pane.activate_item(3, false, false, cx));
2897// assert_item_labels(&pane, ["A", "B", "C", "D*"], cx);
2898
2899// pane.update(cx, |pane, cx| {
2900// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2901// })
2902// .unwrap()
2903// .await
2904// .unwrap();
2905// assert_item_labels(&pane, ["A", "B*", "C"], cx);
2906
2907// pane.update(cx, |pane, cx| {
2908// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2909// })
2910// .unwrap()
2911// .await
2912// .unwrap();
2913// assert_item_labels(&pane, ["A", "C*"], cx);
2914
2915// pane.update(cx, |pane, cx| {
2916// pane.close_active_item(&CloseActiveItem { save_intent: None }, cx)
2917// })
2918// .unwrap()
2919// .await
2920// .unwrap();
2921// assert_item_labels(&pane, ["A*"], cx);
2922// }
2923
2924// #[gpui::test]
2925// async fn test_close_inactive_items(cx: &mut TestAppContext) {
2926// init_test(cx);
2927// let fs = FakeFs::new(cx.background());
2928
2929// let project = Project::test(fs, None, cx).await;
2930// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2931// let workspace = window.root(cx);
2932// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2933
2934// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2935
2936// pane.update(cx, |pane, cx| {
2937// pane.close_inactive_items(&CloseInactiveItems, cx)
2938// })
2939// .unwrap()
2940// .await
2941// .unwrap();
2942// assert_item_labels(&pane, ["C*"], cx);
2943// }
2944
2945// #[gpui::test]
2946// async fn test_close_clean_items(cx: &mut TestAppContext) {
2947// init_test(cx);
2948// let fs = FakeFs::new(cx.background());
2949
2950// let project = Project::test(fs, None, cx).await;
2951// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2952// let workspace = window.root(cx);
2953// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2954
2955// add_labeled_item(&pane, "A", true, cx);
2956// add_labeled_item(&pane, "B", false, cx);
2957// add_labeled_item(&pane, "C", true, cx);
2958// add_labeled_item(&pane, "D", false, cx);
2959// add_labeled_item(&pane, "E", false, cx);
2960// assert_item_labels(&pane, ["A^", "B", "C^", "D", "E*"], cx);
2961
2962// pane.update(cx, |pane, cx| pane.close_clean_items(&CloseCleanItems, cx))
2963// .unwrap()
2964// .await
2965// .unwrap();
2966// assert_item_labels(&pane, ["A^", "C*^"], cx);
2967// }
2968
2969// #[gpui::test]
2970// async fn test_close_items_to_the_left(cx: &mut TestAppContext) {
2971// init_test(cx);
2972// let fs = FakeFs::new(cx.background());
2973
2974// let project = Project::test(fs, None, cx).await;
2975// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2976// let workspace = window.root(cx);
2977// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2978
2979// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
2980
2981// pane.update(cx, |pane, cx| {
2982// pane.close_items_to_the_left(&CloseItemsToTheLeft, cx)
2983// })
2984// .unwrap()
2985// .await
2986// .unwrap();
2987// assert_item_labels(&pane, ["C*", "D", "E"], cx);
2988// }
2989
2990// #[gpui::test]
2991// async fn test_close_items_to_the_right(cx: &mut TestAppContext) {
2992// init_test(cx);
2993// let fs = FakeFs::new(cx.background());
2994
2995// let project = Project::test(fs, None, cx).await;
2996// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
2997// let workspace = window.root(cx);
2998// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
2999
3000// set_labeled_items(&pane, ["A", "B", "C*", "D", "E"], cx);
3001
3002// pane.update(cx, |pane, cx| {
3003// pane.close_items_to_the_right(&CloseItemsToTheRight, cx)
3004// })
3005// .unwrap()
3006// .await
3007// .unwrap();
3008// assert_item_labels(&pane, ["A", "B", "C*"], cx);
3009// }
3010
3011// #[gpui::test]
3012// async fn test_close_all_items(cx: &mut TestAppContext) {
3013// init_test(cx);
3014// let fs = FakeFs::new(cx.background());
3015
3016// let project = Project::test(fs, None, cx).await;
3017// let window = cx.add_window(|cx| Workspace::test_new(project.clone(), cx));
3018// let workspace = window.root(cx);
3019// let pane = workspace.read_with(cx, |workspace, _| workspace.active_pane().clone());
3020
3021// add_labeled_item(&pane, "A", false, cx);
3022// add_labeled_item(&pane, "B", false, cx);
3023// add_labeled_item(&pane, "C", false, cx);
3024// assert_item_labels(&pane, ["A", "B", "C*"], cx);
3025
3026// pane.update(cx, |pane, cx| {
3027// pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
3028// })
3029// .unwrap()
3030// .await
3031// .unwrap();
3032// assert_item_labels(&pane, [], cx);
3033
3034// add_labeled_item(&pane, "A", true, cx);
3035// add_labeled_item(&pane, "B", true, cx);
3036// add_labeled_item(&pane, "C", true, cx);
3037// assert_item_labels(&pane, ["A^", "B^", "C*^"], cx);
3038
3039// let save = pane
3040// .update(cx, |pane, cx| {
3041// pane.close_all_items(&CloseAllItems { save_intent: None }, cx)
3042// })
3043// .unwrap();
3044
3045// cx.foreground().run_until_parked();
3046// window.simulate_prompt_answer(2, cx);
3047// save.await.unwrap();
3048// assert_item_labels(&pane, [], cx);
3049// }
3050
3051// fn init_test(cx: &mut TestAppContext) {
3052// cx.update(|cx| {
3053// cx.set_global(SettingsStore::test(cx));
3054// theme::init((), cx);
3055// crate::init_settings(cx);
3056// Project::init_settings(cx);
3057// });
3058// }
3059
3060// fn add_labeled_item(
3061// pane: &ViewHandle<Pane>,
3062// label: &str,
3063// is_dirty: bool,
3064// cx: &mut TestAppContext,
3065// ) -> Box<ViewHandle<TestItem>> {
3066// pane.update(cx, |pane, cx| {
3067// let labeled_item =
3068// Box::new(cx.add_view(|_| TestItem::new().with_label(label).with_dirty(is_dirty)));
3069// pane.add_item(labeled_item.clone(), false, false, None, cx);
3070// labeled_item
3071// })
3072// }
3073
3074// fn set_labeled_items<const COUNT: usize>(
3075// pane: &ViewHandle<Pane>,
3076// labels: [&str; COUNT],
3077// cx: &mut TestAppContext,
3078// ) -> [Box<ViewHandle<TestItem>>; COUNT] {
3079// pane.update(cx, |pane, cx| {
3080// pane.items.clear();
3081// let mut active_item_index = 0;
3082
3083// let mut index = 0;
3084// let items = labels.map(|mut label| {
3085// if label.ends_with("*") {
3086// label = label.trim_end_matches("*");
3087// active_item_index = index;
3088// }
3089
3090// let labeled_item = Box::new(cx.add_view(|_| TestItem::new().with_label(label)));
3091// pane.add_item(labeled_item.clone(), false, false, None, cx);
3092// index += 1;
3093// labeled_item
3094// });
3095
3096// pane.activate_item(active_item_index, false, false, cx);
3097
3098// items
3099// })
3100// }
3101
3102// // Assert the item label, with the active item label suffixed with a '*'
3103// fn assert_item_labels<const COUNT: usize>(
3104// pane: &ViewHandle<Pane>,
3105// expected_states: [&str; COUNT],
3106// cx: &mut TestAppContext,
3107// ) {
3108// pane.read_with(cx, |pane, cx| {
3109// let actual_states = pane
3110// .items
3111// .iter()
3112// .enumerate()
3113// .map(|(ix, item)| {
3114// let mut state = item
3115// .as_any()
3116// .downcast_ref::<TestItem>()
3117// .unwrap()
3118// .read(cx)
3119// .label
3120// .clone();
3121// if ix == pane.active_item_index {
3122// state.push('*');
3123// }
3124// if item.is_dirty(cx) {
3125// state.push('^');
3126// }
3127// state
3128// })
3129// .collect::<Vec<_>>();
3130
3131// assert_eq!(
3132// actual_states, expected_states,
3133// "pane items do not match expectation"
3134// );
3135// })
3136// }
3137// }
3138
3139#[derive(Clone, Debug)]
3140struct DraggedTab {
3141 title: String,
3142}
3143
3144impl Render for DraggedTab {
3145 type Element = Div;
3146
3147 fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
3148 div().w_8().h_4().bg(gpui::red())
3149 }
3150}