1use std::any::{Any, TypeId};
2
3use ::git::UnstageAndNext;
4use anyhow::Result;
5use buffer_diff::{BufferDiff, DiffHunkSecondaryStatus};
6use collections::HashSet;
7use editor::{
8 actions::{GoToHunk, GoToPrevHunk},
9 scroll::Autoscroll,
10 Editor, EditorEvent, ToPoint,
11};
12use feature_flags::FeatureFlagViewExt;
13use futures::StreamExt;
14use git::{status::FileStatus, Commit, StageAll, StageAndNext, ToggleStaged, UnstageAll};
15use gpui::{
16 actions, Action, AnyElement, AnyView, App, AppContext as _, AsyncWindowContext, Entity,
17 EventEmitter, FocusHandle, Focusable, Render, Subscription, Task, WeakEntity,
18};
19use language::{Anchor, Buffer, Capability, OffsetRangeExt, Point};
20use multi_buffer::{MultiBuffer, PathKey};
21use project::{git::GitStore, Project, ProjectPath};
22use theme::ActiveTheme;
23use ui::{prelude::*, vertical_divider, Tooltip};
24use util::ResultExt as _;
25use workspace::{
26 item::{BreadcrumbText, Item, ItemEvent, ItemHandle, TabContentParams},
27 searchable::SearchableItemHandle,
28 ItemNavHistory, SerializableItem, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView,
29 Workspace,
30};
31
32use crate::git_panel::{GitPanel, GitPanelAddon, GitStatusEntry};
33
34actions!(git, [Diff]);
35
36pub(crate) struct ProjectDiff {
37 multibuffer: Entity<MultiBuffer>,
38 editor: Entity<Editor>,
39 project: Entity<Project>,
40 git_store: Entity<GitStore>,
41 workspace: WeakEntity<Workspace>,
42 focus_handle: FocusHandle,
43 update_needed: postage::watch::Sender<()>,
44 pending_scroll: Option<PathKey>,
45
46 _task: Task<Result<()>>,
47 _subscription: Subscription,
48}
49
50struct DiffBuffer {
51 path_key: PathKey,
52 buffer: Entity<Buffer>,
53 diff: Entity<BufferDiff>,
54 file_status: FileStatus,
55}
56
57const CONFLICT_NAMESPACE: &'static str = "0";
58const TRACKED_NAMESPACE: &'static str = "1";
59const NEW_NAMESPACE: &'static str = "2";
60
61impl ProjectDiff {
62 pub(crate) fn register(
63 _: &mut Workspace,
64 window: Option<&mut Window>,
65 cx: &mut Context<Workspace>,
66 ) {
67 let Some(window) = window else { return };
68 cx.when_flag_enabled::<feature_flags::GitUiFeatureFlag>(window, |workspace, _, _cx| {
69 workspace.register_action(Self::deploy);
70 });
71
72 workspace::register_serializable_item::<ProjectDiff>(cx);
73 }
74
75 fn deploy(
76 workspace: &mut Workspace,
77 _: &Diff,
78 window: &mut Window,
79 cx: &mut Context<Workspace>,
80 ) {
81 workspace.open_panel::<GitPanel>(window, cx);
82 Self::deploy_at(workspace, None, window, cx)
83 }
84
85 pub fn deploy_at(
86 workspace: &mut Workspace,
87 entry: Option<GitStatusEntry>,
88 window: &mut Window,
89 cx: &mut Context<Workspace>,
90 ) {
91 let project_diff = if let Some(existing) = workspace.item_of_type::<Self>(cx) {
92 workspace.activate_item(&existing, true, true, window, cx);
93 existing
94 } else {
95 let workspace_handle = cx.entity();
96 let project_diff =
97 cx.new(|cx| Self::new(workspace.project().clone(), workspace_handle, window, cx));
98 workspace.add_item_to_active_pane(
99 Box::new(project_diff.clone()),
100 None,
101 true,
102 window,
103 cx,
104 );
105 project_diff
106 };
107 if let Some(entry) = entry {
108 project_diff.update(cx, |project_diff, cx| {
109 project_diff.scroll_to(entry, window, cx);
110 })
111 }
112 }
113
114 fn new(
115 project: Entity<Project>,
116 workspace: Entity<Workspace>,
117 window: &mut Window,
118 cx: &mut Context<Self>,
119 ) -> Self {
120 let focus_handle = cx.focus_handle();
121 let multibuffer = cx.new(|_| MultiBuffer::new(Capability::ReadWrite));
122
123 let editor = cx.new(|cx| {
124 let mut diff_display_editor = Editor::for_multibuffer(
125 multibuffer.clone(),
126 Some(project.clone()),
127 true,
128 window,
129 cx,
130 );
131 diff_display_editor.set_expand_all_diff_hunks(cx);
132 diff_display_editor.register_addon(GitPanelAddon {
133 workspace: workspace.downgrade(),
134 });
135 diff_display_editor
136 });
137 cx.subscribe_in(&editor, window, Self::handle_editor_event)
138 .detach();
139
140 let git_store = project.read(cx).git_store().clone();
141 let git_store_subscription = cx.subscribe_in(
142 &git_store,
143 window,
144 move |this, _git_store, _event, _window, _cx| {
145 *this.update_needed.borrow_mut() = ();
146 },
147 );
148
149 let (mut send, recv) = postage::watch::channel::<()>();
150 let worker = window.spawn(cx, {
151 let this = cx.weak_entity();
152 |cx| Self::handle_status_updates(this, recv, cx)
153 });
154 // Kick of a refresh immediately
155 *send.borrow_mut() = ();
156
157 Self {
158 project,
159 git_store: git_store.clone(),
160 workspace: workspace.downgrade(),
161 focus_handle,
162 editor,
163 multibuffer,
164 pending_scroll: None,
165 update_needed: send,
166 _task: worker,
167 _subscription: git_store_subscription,
168 }
169 }
170
171 pub fn scroll_to(
172 &mut self,
173 entry: GitStatusEntry,
174 window: &mut Window,
175 cx: &mut Context<Self>,
176 ) {
177 let Some(git_repo) = self.git_store.read(cx).active_repository() else {
178 return;
179 };
180 let repo = git_repo.read(cx);
181
182 let namespace = if repo.has_conflict(&entry.repo_path) {
183 CONFLICT_NAMESPACE
184 } else if entry.status.is_created() {
185 NEW_NAMESPACE
186 } else {
187 TRACKED_NAMESPACE
188 };
189
190 let path_key = PathKey::namespaced(namespace, entry.repo_path.0.clone());
191
192 self.scroll_to_path(path_key, window, cx)
193 }
194
195 fn scroll_to_path(&mut self, path_key: PathKey, window: &mut Window, cx: &mut Context<Self>) {
196 if let Some(position) = self.multibuffer.read(cx).location_for_path(&path_key, cx) {
197 self.editor.update(cx, |editor, cx| {
198 editor.change_selections(Some(Autoscroll::focused()), window, cx, |s| {
199 s.select_ranges([position..position]);
200 })
201 })
202 } else {
203 self.pending_scroll = Some(path_key);
204 }
205 }
206
207 fn button_states(&self, cx: &App) -> ButtonStates {
208 let editor = self.editor.read(cx);
209 let snapshot = self.multibuffer.read(cx).snapshot(cx);
210 let prev_next = snapshot.diff_hunks().skip(1).next().is_some();
211 let mut selection = true;
212
213 let mut ranges = editor
214 .selections
215 .disjoint_anchor_ranges()
216 .collect::<Vec<_>>();
217 if !ranges.iter().any(|range| range.start != range.end) {
218 selection = false;
219 if let Some((excerpt_id, buffer, range)) = self.editor.read(cx).active_excerpt(cx) {
220 ranges = vec![multi_buffer::Anchor::range_in_buffer(
221 excerpt_id,
222 buffer.read(cx).remote_id(),
223 range,
224 )];
225 } else {
226 ranges = Vec::default();
227 }
228 }
229 let mut has_staged_hunks = false;
230 let mut has_unstaged_hunks = false;
231 for hunk in editor.diff_hunks_in_ranges(&ranges, &snapshot) {
232 match hunk.secondary_status {
233 DiffHunkSecondaryStatus::HasSecondaryHunk => {
234 has_unstaged_hunks = true;
235 }
236 DiffHunkSecondaryStatus::OverlapsWithSecondaryHunk => {
237 has_staged_hunks = true;
238 has_unstaged_hunks = true;
239 }
240 DiffHunkSecondaryStatus::None => {
241 has_staged_hunks = true;
242 }
243 }
244 }
245 let mut commit = false;
246 let mut stage_all = false;
247 let mut unstage_all = false;
248 self.workspace
249 .read_with(cx, |workspace, cx| {
250 if let Some(git_panel) = workspace.panel::<GitPanel>(cx) {
251 let git_panel = git_panel.read(cx);
252 commit = git_panel.can_commit();
253 stage_all = git_panel.can_stage_all();
254 unstage_all = git_panel.can_unstage_all();
255 }
256 })
257 .ok();
258
259 return ButtonStates {
260 stage: has_unstaged_hunks,
261 unstage: has_staged_hunks,
262 prev_next,
263 selection,
264 commit,
265 stage_all,
266 unstage_all,
267 };
268 }
269
270 fn handle_editor_event(
271 &mut self,
272 editor: &Entity<Editor>,
273 event: &EditorEvent,
274 window: &mut Window,
275 cx: &mut Context<Self>,
276 ) {
277 match event {
278 EditorEvent::ScrollPositionChanged { .. } => editor.update(cx, |editor, cx| {
279 let anchor = editor.scroll_manager.anchor().anchor;
280 let multibuffer = self.multibuffer.read(cx);
281 let snapshot = multibuffer.snapshot(cx);
282 let mut point = anchor.to_point(&snapshot);
283 point.row = (point.row + 1).min(snapshot.max_row().0);
284
285 let Some((_, buffer, _)) = self.multibuffer.read(cx).excerpt_containing(point, cx)
286 else {
287 return;
288 };
289 let Some(project_path) = buffer
290 .read(cx)
291 .file()
292 .map(|file| (file.worktree_id(cx), file.path().clone()))
293 else {
294 return;
295 };
296 self.workspace
297 .update(cx, |workspace, cx| {
298 if let Some(git_panel) = workspace.panel::<GitPanel>(cx) {
299 git_panel.update(cx, |git_panel, cx| {
300 git_panel.select_entry_by_path(project_path.into(), window, cx)
301 })
302 }
303 })
304 .ok();
305 }),
306 _ => {}
307 }
308 }
309
310 fn load_buffers(&mut self, cx: &mut Context<Self>) -> Vec<Task<Result<DiffBuffer>>> {
311 let Some(repo) = self.git_store.read(cx).active_repository() else {
312 self.multibuffer.update(cx, |multibuffer, cx| {
313 multibuffer.clear(cx);
314 });
315 return vec![];
316 };
317
318 let mut previous_paths = self.multibuffer.read(cx).paths().collect::<HashSet<_>>();
319
320 let mut result = vec![];
321 repo.update(cx, |repo, cx| {
322 for entry in repo.status() {
323 if !entry.status.has_changes() {
324 continue;
325 }
326 let Some(project_path) = repo.repo_path_to_project_path(&entry.repo_path) else {
327 continue;
328 };
329 let namespace = if repo.has_conflict(&entry.repo_path) {
330 CONFLICT_NAMESPACE
331 } else if entry.status.is_created() {
332 NEW_NAMESPACE
333 } else {
334 TRACKED_NAMESPACE
335 };
336 let path_key = PathKey::namespaced(namespace, entry.repo_path.0.clone());
337
338 previous_paths.remove(&path_key);
339 let load_buffer = self
340 .project
341 .update(cx, |project, cx| project.open_buffer(project_path, cx));
342
343 let project = self.project.clone();
344 result.push(cx.spawn(|_, mut cx| async move {
345 let buffer = load_buffer.await?;
346 let changes = project
347 .update(&mut cx, |project, cx| {
348 project.open_uncommitted_diff(buffer.clone(), cx)
349 })?
350 .await?;
351 Ok(DiffBuffer {
352 path_key,
353 buffer,
354 diff: changes,
355 file_status: entry.status,
356 })
357 }));
358 }
359 });
360 self.multibuffer.update(cx, |multibuffer, cx| {
361 for path in previous_paths {
362 multibuffer.remove_excerpts_for_path(path, cx);
363 }
364 });
365 result
366 }
367
368 fn register_buffer(
369 &mut self,
370 diff_buffer: DiffBuffer,
371 window: &mut Window,
372 cx: &mut Context<Self>,
373 ) {
374 let path_key = diff_buffer.path_key;
375 let buffer = diff_buffer.buffer;
376 let diff = diff_buffer.diff;
377
378 let snapshot = buffer.read(cx).snapshot();
379 let diff = diff.read(cx);
380 let diff_hunk_ranges = if diff.base_text().is_none() {
381 vec![Point::zero()..snapshot.max_point()]
382 } else {
383 diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &snapshot, cx)
384 .map(|diff_hunk| diff_hunk.buffer_range.to_point(&snapshot))
385 .collect::<Vec<_>>()
386 };
387
388 let is_excerpt_newly_added = self.multibuffer.update(cx, |multibuffer, cx| {
389 multibuffer.set_excerpts_for_path(
390 path_key.clone(),
391 buffer,
392 diff_hunk_ranges,
393 editor::DEFAULT_MULTIBUFFER_CONTEXT,
394 cx,
395 )
396 });
397
398 if is_excerpt_newly_added && diff_buffer.file_status.is_deleted() {
399 self.editor.update(cx, |editor, cx| {
400 editor.fold_buffer(snapshot.text.remote_id(), cx)
401 });
402 }
403
404 if self.multibuffer.read(cx).is_empty()
405 && self
406 .editor
407 .read(cx)
408 .focus_handle(cx)
409 .contains_focused(window, cx)
410 {
411 self.focus_handle.focus(window);
412 } else if self.focus_handle.is_focused(window) && !self.multibuffer.read(cx).is_empty() {
413 self.editor.update(cx, |editor, cx| {
414 editor.focus_handle(cx).focus(window);
415 });
416 }
417 if self.pending_scroll.as_ref() == Some(&path_key) {
418 self.scroll_to_path(path_key, window, cx);
419 }
420 }
421
422 pub async fn handle_status_updates(
423 this: WeakEntity<Self>,
424 mut recv: postage::watch::Receiver<()>,
425 mut cx: AsyncWindowContext,
426 ) -> Result<()> {
427 while let Some(_) = recv.next().await {
428 let buffers_to_load = this.update(&mut cx, |this, cx| this.load_buffers(cx))?;
429 for buffer_to_load in buffers_to_load {
430 if let Some(buffer) = buffer_to_load.await.log_err() {
431 cx.update(|window, cx| {
432 this.update(cx, |this, cx| this.register_buffer(buffer, window, cx))
433 .ok();
434 })?;
435 }
436 }
437 this.update(&mut cx, |this, _| this.pending_scroll.take())?;
438 }
439
440 Ok(())
441 }
442}
443
444impl EventEmitter<EditorEvent> for ProjectDiff {}
445
446impl Focusable for ProjectDiff {
447 fn focus_handle(&self, cx: &App) -> FocusHandle {
448 if self.multibuffer.read(cx).is_empty() {
449 self.focus_handle.clone()
450 } else {
451 self.editor.focus_handle(cx)
452 }
453 }
454}
455
456impl Item for ProjectDiff {
457 type Event = EditorEvent;
458
459 fn tab_icon(&self, _window: &Window, _cx: &App) -> Option<Icon> {
460 Some(Icon::new(IconName::GitBranch).color(Color::Muted))
461 }
462
463 fn to_item_events(event: &EditorEvent, f: impl FnMut(ItemEvent)) {
464 Editor::to_item_events(event, f)
465 }
466
467 fn deactivated(&mut self, window: &mut Window, cx: &mut Context<Self>) {
468 self.editor
469 .update(cx, |editor, cx| editor.deactivated(window, cx));
470 }
471
472 fn navigate(
473 &mut self,
474 data: Box<dyn Any>,
475 window: &mut Window,
476 cx: &mut Context<Self>,
477 ) -> bool {
478 self.editor
479 .update(cx, |editor, cx| editor.navigate(data, window, cx))
480 }
481
482 fn tab_tooltip_text(&self, _: &App) -> Option<SharedString> {
483 Some("Project Diff".into())
484 }
485
486 fn tab_content(&self, params: TabContentParams, _window: &Window, _: &App) -> AnyElement {
487 Label::new("Uncommitted Changes")
488 .color(if params.selected {
489 Color::Default
490 } else {
491 Color::Muted
492 })
493 .into_any_element()
494 }
495
496 fn telemetry_event_text(&self) -> Option<&'static str> {
497 Some("Project Diff Opened")
498 }
499
500 fn as_searchable(&self, _: &Entity<Self>) -> Option<Box<dyn SearchableItemHandle>> {
501 Some(Box::new(self.editor.clone()))
502 }
503
504 fn for_each_project_item(
505 &self,
506 cx: &App,
507 f: &mut dyn FnMut(gpui::EntityId, &dyn project::ProjectItem),
508 ) {
509 self.editor.for_each_project_item(cx, f)
510 }
511
512 fn is_singleton(&self, _: &App) -> bool {
513 false
514 }
515
516 fn set_nav_history(
517 &mut self,
518 nav_history: ItemNavHistory,
519 _: &mut Window,
520 cx: &mut Context<Self>,
521 ) {
522 self.editor.update(cx, |editor, _| {
523 editor.set_nav_history(Some(nav_history));
524 });
525 }
526
527 fn clone_on_split(
528 &self,
529 _workspace_id: Option<workspace::WorkspaceId>,
530 window: &mut Window,
531 cx: &mut Context<Self>,
532 ) -> Option<Entity<Self>>
533 where
534 Self: Sized,
535 {
536 let workspace = self.workspace.upgrade()?;
537 Some(cx.new(|cx| ProjectDiff::new(self.project.clone(), workspace, window, cx)))
538 }
539
540 fn is_dirty(&self, cx: &App) -> bool {
541 self.multibuffer.read(cx).is_dirty(cx)
542 }
543
544 fn has_conflict(&self, cx: &App) -> bool {
545 self.multibuffer.read(cx).has_conflict(cx)
546 }
547
548 fn can_save(&self, _: &App) -> bool {
549 true
550 }
551
552 fn save(
553 &mut self,
554 format: bool,
555 project: Entity<Project>,
556 window: &mut Window,
557 cx: &mut Context<Self>,
558 ) -> Task<Result<()>> {
559 self.editor.save(format, project, window, cx)
560 }
561
562 fn save_as(
563 &mut self,
564 _: Entity<Project>,
565 _: ProjectPath,
566 _window: &mut Window,
567 _: &mut Context<Self>,
568 ) -> Task<Result<()>> {
569 unreachable!()
570 }
571
572 fn reload(
573 &mut self,
574 project: Entity<Project>,
575 window: &mut Window,
576 cx: &mut Context<Self>,
577 ) -> Task<Result<()>> {
578 self.editor.reload(project, window, cx)
579 }
580
581 fn act_as_type<'a>(
582 &'a self,
583 type_id: TypeId,
584 self_handle: &'a Entity<Self>,
585 _: &'a App,
586 ) -> Option<AnyView> {
587 if type_id == TypeId::of::<Self>() {
588 Some(self_handle.to_any())
589 } else if type_id == TypeId::of::<Editor>() {
590 Some(self.editor.to_any())
591 } else {
592 None
593 }
594 }
595
596 fn breadcrumb_location(&self, _: &App) -> ToolbarItemLocation {
597 ToolbarItemLocation::PrimaryLeft
598 }
599
600 fn breadcrumbs(&self, theme: &theme::Theme, cx: &App) -> Option<Vec<BreadcrumbText>> {
601 self.editor.breadcrumbs(theme, cx)
602 }
603
604 fn added_to_workspace(
605 &mut self,
606 workspace: &mut Workspace,
607 window: &mut Window,
608 cx: &mut Context<Self>,
609 ) {
610 self.editor.update(cx, |editor, cx| {
611 editor.added_to_workspace(workspace, window, cx)
612 });
613 }
614}
615
616impl Render for ProjectDiff {
617 fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
618 let is_empty = self.multibuffer.read(cx).is_empty();
619
620 div()
621 .track_focus(&self.focus_handle)
622 .bg(cx.theme().colors().editor_background)
623 .flex()
624 .items_center()
625 .justify_center()
626 .size_full()
627 .when(is_empty, |el| {
628 el.child(Label::new("No uncommitted changes"))
629 })
630 .when(!is_empty, |el| el.child(self.editor.clone()))
631 }
632}
633
634impl SerializableItem for ProjectDiff {
635 fn serialized_item_kind() -> &'static str {
636 "ProjectDiff"
637 }
638
639 fn cleanup(
640 _: workspace::WorkspaceId,
641 _: Vec<workspace::ItemId>,
642 _: &mut Window,
643 _: &mut App,
644 ) -> Task<Result<()>> {
645 Task::ready(Ok(()))
646 }
647
648 fn deserialize(
649 _project: Entity<Project>,
650 workspace: WeakEntity<Workspace>,
651 _workspace_id: workspace::WorkspaceId,
652 _item_id: workspace::ItemId,
653 window: &mut Window,
654 cx: &mut App,
655 ) -> Task<Result<Entity<Self>>> {
656 window.spawn(cx, |mut cx| async move {
657 workspace.update_in(&mut cx, |workspace, window, cx| {
658 let workspace_handle = cx.entity();
659 cx.new(|cx| Self::new(workspace.project().clone(), workspace_handle, window, cx))
660 })
661 })
662 }
663
664 fn serialize(
665 &mut self,
666 _workspace: &mut Workspace,
667 _item_id: workspace::ItemId,
668 _closing: bool,
669 _window: &mut Window,
670 _cx: &mut Context<Self>,
671 ) -> Option<Task<Result<()>>> {
672 None
673 }
674
675 fn should_serialize(&self, _: &Self::Event) -> bool {
676 false
677 }
678}
679
680pub struct ProjectDiffToolbar {
681 project_diff: Option<WeakEntity<ProjectDiff>>,
682 workspace: WeakEntity<Workspace>,
683}
684
685impl ProjectDiffToolbar {
686 pub fn new(workspace: &Workspace, _: &mut Context<Self>) -> Self {
687 Self {
688 project_diff: None,
689 workspace: workspace.weak_handle(),
690 }
691 }
692
693 fn project_diff(&self, _: &App) -> Option<Entity<ProjectDiff>> {
694 self.project_diff.as_ref()?.upgrade()
695 }
696 fn dispatch_action(&self, action: &dyn Action, window: &mut Window, cx: &mut Context<Self>) {
697 if let Some(project_diff) = self.project_diff(cx) {
698 project_diff.focus_handle(cx).focus(window);
699 }
700 let action = action.boxed_clone();
701 cx.defer(move |cx| {
702 cx.dispatch_action(action.as_ref());
703 })
704 }
705 fn dispatch_panel_action(
706 &self,
707 action: &dyn Action,
708 window: &mut Window,
709 cx: &mut Context<Self>,
710 ) {
711 self.workspace
712 .read_with(cx, |workspace, cx| {
713 if let Some(panel) = workspace.panel::<GitPanel>(cx) {
714 panel.focus_handle(cx).focus(window)
715 }
716 })
717 .ok();
718 let action = action.boxed_clone();
719 cx.defer(move |cx| {
720 cx.dispatch_action(action.as_ref());
721 })
722 }
723}
724
725impl EventEmitter<ToolbarItemEvent> for ProjectDiffToolbar {}
726
727impl ToolbarItemView for ProjectDiffToolbar {
728 fn set_active_pane_item(
729 &mut self,
730 active_pane_item: Option<&dyn ItemHandle>,
731 _: &mut Window,
732 cx: &mut Context<Self>,
733 ) -> ToolbarItemLocation {
734 self.project_diff = active_pane_item
735 .and_then(|item| item.act_as::<ProjectDiff>(cx))
736 .map(|entity| entity.downgrade());
737 if self.project_diff.is_some() {
738 ToolbarItemLocation::PrimaryRight
739 } else {
740 ToolbarItemLocation::Hidden
741 }
742 }
743
744 fn pane_focus_update(
745 &mut self,
746 _pane_focused: bool,
747 _window: &mut Window,
748 _cx: &mut Context<Self>,
749 ) {
750 }
751}
752
753struct ButtonStates {
754 stage: bool,
755 unstage: bool,
756 prev_next: bool,
757 selection: bool,
758 stage_all: bool,
759 unstage_all: bool,
760 commit: bool,
761}
762
763impl Render for ProjectDiffToolbar {
764 fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
765 let Some(project_diff) = self.project_diff(cx) else {
766 return div();
767 };
768 let focus_handle = project_diff.focus_handle(cx);
769 let button_states = project_diff.read(cx).button_states(cx);
770
771 h_group_xl()
772 .my_neg_1()
773 .items_center()
774 .py_1()
775 .pl_2()
776 .pr_1()
777 .flex_wrap()
778 .justify_between()
779 .child(
780 h_group_sm()
781 .when(button_states.selection, |el| {
782 el.child(
783 Button::new("stage", "Toggle Staged")
784 .tooltip(Tooltip::for_action_title_in(
785 "Toggle Staged",
786 &ToggleStaged,
787 &focus_handle,
788 ))
789 .disabled(!button_states.stage && !button_states.unstage)
790 .on_click(cx.listener(|this, _, window, cx| {
791 this.dispatch_action(&ToggleStaged, window, cx)
792 })),
793 )
794 })
795 .when(!button_states.selection, |el| {
796 el.child(
797 Button::new("stage", "Stage")
798 .tooltip(Tooltip::for_action_title_in(
799 "Stage",
800 &StageAndNext,
801 &focus_handle,
802 ))
803 // don't actually disable the button so it's mashable
804 .color(if button_states.stage {
805 Color::Default
806 } else {
807 Color::Disabled
808 })
809 .on_click(cx.listener(|this, _, window, cx| {
810 this.dispatch_action(&StageAndNext, window, cx)
811 })),
812 )
813 .child(
814 Button::new("unstage", "Unstage")
815 .tooltip(Tooltip::for_action_title_in(
816 "Unstage",
817 &UnstageAndNext,
818 &focus_handle,
819 ))
820 .color(if button_states.unstage {
821 Color::Default
822 } else {
823 Color::Disabled
824 })
825 .on_click(cx.listener(|this, _, window, cx| {
826 this.dispatch_action(&UnstageAndNext, window, cx)
827 })),
828 )
829 }),
830 )
831 // n.b. the only reason these arrows are here is because we don't
832 // support "undo" for staging so we need a way to go back.
833 .child(
834 h_group_sm()
835 .child(
836 IconButton::new("up", IconName::ArrowUp)
837 .shape(ui::IconButtonShape::Square)
838 .tooltip(Tooltip::for_action_title_in(
839 "Go to previous hunk",
840 &GoToPrevHunk,
841 &focus_handle,
842 ))
843 .disabled(!button_states.prev_next)
844 .on_click(cx.listener(|this, _, window, cx| {
845 this.dispatch_action(&GoToPrevHunk, window, cx)
846 })),
847 )
848 .child(
849 IconButton::new("down", IconName::ArrowDown)
850 .shape(ui::IconButtonShape::Square)
851 .tooltip(Tooltip::for_action_title_in(
852 "Go to next hunk",
853 &GoToHunk,
854 &focus_handle,
855 ))
856 .disabled(!button_states.prev_next)
857 .on_click(cx.listener(|this, _, window, cx| {
858 this.dispatch_action(&GoToHunk, window, cx)
859 })),
860 ),
861 )
862 .child(vertical_divider())
863 .child(
864 h_group_sm()
865 .when(
866 button_states.unstage_all && !button_states.stage_all,
867 |el| {
868 el.child(Button::new("unstage-all", "Unstage All").on_click(
869 cx.listener(|this, _, window, cx| {
870 this.dispatch_panel_action(&UnstageAll, window, cx)
871 }),
872 ))
873 },
874 )
875 .when(
876 !button_states.unstage_all || button_states.stage_all,
877 |el| {
878 el.child(
879 // todo make it so that changing to say "Unstaged"
880 // doesn't change the position.
881 div().child(
882 Button::new("stage-all", "Stage All")
883 .disabled(!button_states.stage_all)
884 .on_click(cx.listener(|this, _, window, cx| {
885 this.dispatch_panel_action(&StageAll, window, cx)
886 })),
887 ),
888 )
889 },
890 )
891 .child(
892 Button::new("commit", "Commit")
893 .disabled(!button_states.commit)
894 .on_click(cx.listener(|this, _, window, cx| {
895 // todo this should open modal, not focus panel.
896 this.dispatch_action(&Commit, window, cx);
897 })),
898 ),
899 )
900 }
901}