1use std::collections::BTreeMap;
2use std::sync::Arc;
3
4use crate::assistant_model_selector::{AssistantModelSelector, ModelType};
5use crate::context::{ContextLoadResult, load_context};
6use crate::tool_compatibility::{IncompatibleToolsState, IncompatibleToolsTooltip};
7use crate::ui::AnimatedLabel;
8use buffer_diff::BufferDiff;
9use collections::HashSet;
10use editor::actions::{MoveUp, Paste};
11use editor::{
12 ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement, EditorEvent, EditorMode,
13 EditorStyle, MultiBuffer,
14};
15use feature_flags::{FeatureFlagAppExt, NewBillingFeatureFlag};
16use file_icons::FileIcons;
17use fs::Fs;
18use futures::future::Shared;
19use futures::{FutureExt as _, future};
20use gpui::{
21 Animation, AnimationExt, App, ClipboardEntry, Entity, EventEmitter, Focusable, Subscription,
22 Task, TextStyle, WeakEntity, linear_color_stop, linear_gradient, point, pulsating_between,
23};
24use language::{Buffer, Language};
25use language_model::{ConfiguredModel, LanguageModelRequestMessage, MessageContent};
26use language_model_selector::ToggleModelSelector;
27use multi_buffer;
28use project::Project;
29use prompt_store::PromptStore;
30use settings::Settings;
31use std::time::Duration;
32use theme::ThemeSettings;
33use ui::{Disclosure, KeyBinding, PopoverMenuHandle, Tooltip, prelude::*};
34use util::ResultExt as _;
35use workspace::Workspace;
36use zed_llm_client::CompletionMode;
37
38use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider};
39use crate::context_store::ContextStore;
40use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
41use crate::profile_selector::ProfileSelector;
42use crate::thread::{Thread, TokenUsageRatio};
43use crate::thread_store::ThreadStore;
44use crate::{
45 AgentDiff, Chat, ChatMode, ExpandMessageEditor, NewThread, OpenAgentDiff, RemoveAllContext,
46 ToggleContextPicker, ToggleProfileSelector,
47};
48
49pub struct MessageEditor {
50 thread: Entity<Thread>,
51 incompatible_tools_state: Entity<IncompatibleToolsState>,
52 editor: Entity<Editor>,
53 workspace: WeakEntity<Workspace>,
54 project: Entity<Project>,
55 context_store: Entity<ContextStore>,
56 prompt_store: Option<Entity<PromptStore>>,
57 context_strip: Entity<ContextStrip>,
58 context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
59 model_selector: Entity<AssistantModelSelector>,
60 last_loaded_context: Option<ContextLoadResult>,
61 load_context_task: Option<Shared<Task<()>>>,
62 profile_selector: Entity<ProfileSelector>,
63 edits_expanded: bool,
64 editor_is_expanded: bool,
65 last_estimated_token_count: Option<usize>,
66 update_token_count_task: Option<Task<()>>,
67 _subscriptions: Vec<Subscription>,
68}
69
70const MAX_EDITOR_LINES: usize = 8;
71
72pub(crate) fn create_editor(
73 workspace: WeakEntity<Workspace>,
74 context_store: WeakEntity<ContextStore>,
75 thread_store: WeakEntity<ThreadStore>,
76 window: &mut Window,
77 cx: &mut App,
78) -> Entity<Editor> {
79 let language = Language::new(
80 language::LanguageConfig {
81 completion_query_characters: HashSet::from_iter(['.', '-', '_', '@']),
82 ..Default::default()
83 },
84 None,
85 );
86
87 let editor = cx.new(|cx| {
88 let buffer = cx.new(|cx| Buffer::local("", cx).with_language(Arc::new(language), cx));
89 let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
90 let mut editor = Editor::new(
91 editor::EditorMode::AutoHeight {
92 max_lines: MAX_EDITOR_LINES,
93 },
94 buffer,
95 None,
96 window,
97 cx,
98 );
99 editor.set_placeholder_text("Ask anything, @ to mention, ↑ to select", cx);
100 editor.set_show_indent_guides(false, cx);
101 editor.set_soft_wrap();
102 editor.set_context_menu_options(ContextMenuOptions {
103 min_entries_visible: 12,
104 max_entries_visible: 12,
105 placement: Some(ContextMenuPlacement::Above),
106 });
107 editor
108 });
109
110 let editor_entity = editor.downgrade();
111 editor.update(cx, |editor, _| {
112 editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
113 workspace,
114 context_store,
115 Some(thread_store),
116 editor_entity,
117 ))));
118 });
119 editor
120}
121
122impl MessageEditor {
123 pub fn new(
124 fs: Arc<dyn Fs>,
125 workspace: WeakEntity<Workspace>,
126 context_store: Entity<ContextStore>,
127 prompt_store: Option<Entity<PromptStore>>,
128 thread_store: WeakEntity<ThreadStore>,
129 thread: Entity<Thread>,
130 window: &mut Window,
131 cx: &mut Context<Self>,
132 ) -> Self {
133 let context_picker_menu_handle = PopoverMenuHandle::default();
134 let model_selector_menu_handle = PopoverMenuHandle::default();
135
136 let editor = create_editor(
137 workspace.clone(),
138 context_store.downgrade(),
139 thread_store.clone(),
140 window,
141 cx,
142 );
143
144 let context_strip = cx.new(|cx| {
145 ContextStrip::new(
146 context_store.clone(),
147 workspace.clone(),
148 Some(thread_store.clone()),
149 context_picker_menu_handle.clone(),
150 SuggestContextKind::File,
151 window,
152 cx,
153 )
154 });
155
156 let incompatible_tools =
157 cx.new(|cx| IncompatibleToolsState::new(thread.read(cx).tools().clone(), cx));
158
159 let subscriptions = vec![
160 cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event),
161 cx.subscribe(&editor, |this, _, event, cx| match event {
162 EditorEvent::BufferEdited => this.handle_message_changed(cx),
163 _ => {}
164 }),
165 cx.observe(&context_store, |this, _, cx| {
166 // When context changes, reload it for token counting.
167 let _ = this.reload_context(cx);
168 }),
169 ];
170
171 let model_selector = cx.new(|cx| {
172 AssistantModelSelector::new(
173 fs.clone(),
174 model_selector_menu_handle,
175 editor.focus_handle(cx),
176 ModelType::Default(thread.clone()),
177 window,
178 cx,
179 )
180 });
181
182 Self {
183 editor: editor.clone(),
184 project: thread.read(cx).project().clone(),
185 thread,
186 incompatible_tools_state: incompatible_tools.clone(),
187 workspace,
188 context_store,
189 prompt_store,
190 context_strip,
191 context_picker_menu_handle,
192 load_context_task: None,
193 last_loaded_context: None,
194 model_selector,
195 edits_expanded: false,
196 editor_is_expanded: false,
197 profile_selector: cx
198 .new(|cx| ProfileSelector::new(fs, thread_store, editor.focus_handle(cx), cx)),
199 last_estimated_token_count: None,
200 update_token_count_task: None,
201 _subscriptions: subscriptions,
202 }
203 }
204
205 pub fn context_store(&self) -> &Entity<ContextStore> {
206 &self.context_store
207 }
208
209 fn toggle_chat_mode(&mut self, _: &ChatMode, _window: &mut Window, cx: &mut Context<Self>) {
210 cx.notify();
211 }
212
213 pub fn expand_message_editor(
214 &mut self,
215 _: &ExpandMessageEditor,
216 _window: &mut Window,
217 cx: &mut Context<Self>,
218 ) {
219 self.set_editor_is_expanded(!self.editor_is_expanded, cx);
220 }
221
222 fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
223 self.editor_is_expanded = is_expanded;
224 self.editor.update(cx, |editor, _| {
225 if self.editor_is_expanded {
226 editor.set_mode(EditorMode::Full {
227 scale_ui_elements_with_buffer_font_size: false,
228 show_active_line_background: false,
229 sized_by_content: false,
230 })
231 } else {
232 editor.set_mode(EditorMode::AutoHeight {
233 max_lines: MAX_EDITOR_LINES,
234 })
235 }
236 });
237 cx.notify();
238 }
239
240 fn toggle_context_picker(
241 &mut self,
242 _: &ToggleContextPicker,
243 window: &mut Window,
244 cx: &mut Context<Self>,
245 ) {
246 self.context_picker_menu_handle.toggle(window, cx);
247 }
248
249 pub fn remove_all_context(
250 &mut self,
251 _: &RemoveAllContext,
252 _window: &mut Window,
253 cx: &mut Context<Self>,
254 ) {
255 self.context_store.update(cx, |store, _cx| store.clear());
256 cx.notify();
257 }
258
259 fn chat(&mut self, _: &Chat, window: &mut Window, cx: &mut Context<Self>) {
260 if self.is_editor_empty(cx) {
261 return;
262 }
263
264 self.thread.update(cx, |thread, cx| {
265 thread.cancel_editing(cx);
266 });
267
268 if self.thread.read(cx).is_generating() {
269 self.stop_current_and_send_new_message(window, cx);
270 return;
271 }
272
273 self.set_editor_is_expanded(false, cx);
274 self.send_to_model(window, cx);
275
276 cx.notify();
277 }
278
279 fn is_editor_empty(&self, cx: &App) -> bool {
280 self.editor.read(cx).text(cx).trim().is_empty()
281 }
282
283 fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
284 let Some(ConfiguredModel { model, provider }) = self
285 .thread
286 .update(cx, |thread, cx| thread.get_or_init_configured_model(cx))
287 else {
288 return;
289 };
290
291 if provider.must_accept_terms(cx) {
292 cx.notify();
293 return;
294 }
295
296 let user_message = self.editor.update(cx, |editor, cx| {
297 let text = editor.text(cx);
298 editor.clear(window, cx);
299 text
300 });
301
302 self.last_estimated_token_count.take();
303 cx.emit(MessageEditorEvent::EstimatedTokenCount);
304
305 let thread = self.thread.clone();
306 let git_store = self.project.read(cx).git_store().clone();
307 let checkpoint = git_store.update(cx, |git_store, cx| git_store.checkpoint(cx));
308 let context_task = self.reload_context(cx);
309 let window_handle = window.window_handle();
310
311 cx.spawn(async move |_this, cx| {
312 let (checkpoint, loaded_context) = future::join(checkpoint, context_task).await;
313 let loaded_context = loaded_context.unwrap_or_default();
314
315 thread
316 .update(cx, |thread, cx| {
317 thread.insert_user_message(user_message, loaded_context, checkpoint.ok(), cx);
318 })
319 .log_err();
320
321 thread
322 .update(cx, |thread, cx| {
323 thread.advance_prompt_id();
324 thread.send_to_model(model, Some(window_handle), cx);
325 })
326 .log_err();
327 })
328 .detach();
329 }
330
331 fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
332 self.thread.update(cx, |thread, cx| {
333 thread.cancel_editing(cx);
334 });
335
336 let cancelled = self.thread.update(cx, |thread, cx| {
337 thread.cancel_last_completion(Some(window.window_handle()), cx)
338 });
339
340 if cancelled {
341 self.set_editor_is_expanded(false, cx);
342 self.send_to_model(window, cx);
343 }
344 }
345
346 fn handle_context_strip_event(
347 &mut self,
348 _context_strip: &Entity<ContextStrip>,
349 event: &ContextStripEvent,
350 window: &mut Window,
351 cx: &mut Context<Self>,
352 ) {
353 match event {
354 ContextStripEvent::PickerDismissed
355 | ContextStripEvent::BlurredEmpty
356 | ContextStripEvent::BlurredDown => {
357 let editor_focus_handle = self.editor.focus_handle(cx);
358 window.focus(&editor_focus_handle);
359 }
360 ContextStripEvent::BlurredUp => {}
361 }
362 }
363
364 fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
365 if self.context_picker_menu_handle.is_deployed() {
366 cx.propagate();
367 } else {
368 self.context_strip.focus_handle(cx).focus(window);
369 }
370 }
371
372 fn paste(&mut self, _: &Paste, _: &mut Window, cx: &mut Context<Self>) {
373 let images = cx
374 .read_from_clipboard()
375 .map(|item| {
376 item.into_entries()
377 .filter_map(|entry| {
378 if let ClipboardEntry::Image(image) = entry {
379 Some(image)
380 } else {
381 None
382 }
383 })
384 .collect::<Vec<_>>()
385 })
386 .unwrap_or_default();
387
388 if images.is_empty() {
389 return;
390 }
391 cx.stop_propagation();
392
393 self.context_store.update(cx, |store, cx| {
394 for image in images {
395 store.add_image_instance(Arc::new(image), cx);
396 }
397 });
398 }
399
400 fn handle_review_click(&mut self, window: &mut Window, cx: &mut Context<Self>) {
401 self.edits_expanded = true;
402 AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx).log_err();
403 cx.notify();
404 }
405
406 fn handle_file_click(
407 &self,
408 buffer: Entity<Buffer>,
409 window: &mut Window,
410 cx: &mut Context<Self>,
411 ) {
412 if let Ok(diff) = AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx)
413 {
414 let path_key = multi_buffer::PathKey::for_buffer(&buffer, cx);
415 diff.update(cx, |diff, cx| diff.move_to_path(path_key, window, cx));
416 }
417 }
418
419 fn render_max_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
420 if !cx.has_flag::<NewBillingFeatureFlag>() {
421 return None;
422 }
423
424 let thread = self.thread.read(cx);
425 let model = thread.configured_model();
426 if !model?.model.supports_max_mode() {
427 return None;
428 }
429
430 let active_completion_mode = thread.completion_mode();
431
432 Some(
433 IconButton::new("max-mode", IconName::ZedMaxMode)
434 .icon_size(IconSize::Small)
435 .toggle_state(active_completion_mode == Some(CompletionMode::Max))
436 .on_click(cx.listener(move |this, _event, _window, cx| {
437 this.thread.update(cx, |thread, _cx| {
438 thread.set_completion_mode(match active_completion_mode {
439 Some(CompletionMode::Max) => Some(CompletionMode::Normal),
440 Some(CompletionMode::Normal) | None => Some(CompletionMode::Max),
441 });
442 });
443 }))
444 .tooltip(Tooltip::text("Toggle Max Mode"))
445 .into_any_element(),
446 )
447 }
448
449 fn render_editor(
450 &self,
451 font_size: Rems,
452 line_height: Pixels,
453 window: &mut Window,
454 cx: &mut Context<Self>,
455 ) -> Div {
456 let thread = self.thread.read(cx);
457 let model = thread.configured_model();
458
459 let editor_bg_color = cx.theme().colors().editor_background;
460 let is_generating = thread.is_generating();
461 let focus_handle = self.editor.focus_handle(cx);
462
463 let is_model_selected = model.is_some();
464 let is_editor_empty = self.is_editor_empty(cx);
465
466 let incompatible_tools = model
467 .as_ref()
468 .map(|model| {
469 self.incompatible_tools_state.update(cx, |state, cx| {
470 state
471 .incompatible_tools(&model.model, cx)
472 .iter()
473 .cloned()
474 .collect::<Vec<_>>()
475 })
476 })
477 .unwrap_or_default();
478
479 let is_editor_expanded = self.editor_is_expanded;
480 let expand_icon = if is_editor_expanded {
481 IconName::Minimize
482 } else {
483 IconName::Maximize
484 };
485
486 v_flex()
487 .key_context("MessageEditor")
488 .on_action(cx.listener(Self::chat))
489 .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
490 this.profile_selector
491 .read(cx)
492 .menu_handle()
493 .toggle(window, cx);
494 }))
495 .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
496 this.model_selector
497 .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
498 }))
499 .on_action(cx.listener(Self::toggle_context_picker))
500 .on_action(cx.listener(Self::remove_all_context))
501 .on_action(cx.listener(Self::move_up))
502 .on_action(cx.listener(Self::toggle_chat_mode))
503 .on_action(cx.listener(Self::expand_message_editor))
504 .capture_action(cx.listener(Self::paste))
505 .gap_2()
506 .p_2()
507 .bg(editor_bg_color)
508 .border_t_1()
509 .border_color(cx.theme().colors().border)
510 .child(
511 h_flex()
512 .items_start()
513 .justify_between()
514 .child(self.context_strip.clone())
515 .when(focus_handle.is_focused(window), |this| {
516 this.child(
517 IconButton::new("toggle-height", expand_icon)
518 .icon_size(IconSize::XSmall)
519 .icon_color(Color::Muted)
520 .tooltip({
521 let focus_handle = focus_handle.clone();
522 move |window, cx| {
523 let expand_label = if is_editor_expanded {
524 "Minimize Message Editor".to_string()
525 } else {
526 "Expand Message Editor".to_string()
527 };
528
529 Tooltip::for_action_in(
530 expand_label,
531 &ExpandMessageEditor,
532 &focus_handle,
533 window,
534 cx,
535 )
536 }
537 })
538 .on_click(cx.listener(|_, _, window, cx| {
539 window.dispatch_action(Box::new(ExpandMessageEditor), cx);
540 })),
541 )
542 }),
543 )
544 .child(
545 v_flex()
546 .size_full()
547 .gap_4()
548 .when(is_editor_expanded, |this| {
549 this.h(vh(0.8, window)).justify_between()
550 })
551 .child(
552 div()
553 .min_h_16()
554 .when(is_editor_expanded, |this| this.h_full())
555 .child({
556 let settings = ThemeSettings::get_global(cx);
557
558 let text_style = TextStyle {
559 color: cx.theme().colors().text,
560 font_family: settings.buffer_font.family.clone(),
561 font_fallbacks: settings.buffer_font.fallbacks.clone(),
562 font_features: settings.buffer_font.features.clone(),
563 font_size: font_size.into(),
564 line_height: line_height.into(),
565 ..Default::default()
566 };
567
568 EditorElement::new(
569 &self.editor,
570 EditorStyle {
571 background: editor_bg_color,
572 local_player: cx.theme().players().local(),
573 text: text_style,
574 syntax: cx.theme().syntax().clone(),
575 ..Default::default()
576 },
577 )
578 .into_any()
579 }),
580 )
581 .child(
582 h_flex()
583 .flex_none()
584 .justify_between()
585 .child(h_flex().gap_2().child(self.profile_selector.clone()))
586 .child(
587 h_flex()
588 .gap_1()
589 .when(!incompatible_tools.is_empty(), |this| {
590 this.child(
591 IconButton::new(
592 "tools-incompatible-warning",
593 IconName::Warning,
594 )
595 .icon_color(Color::Warning)
596 .icon_size(IconSize::Small)
597 .tooltip({
598 move |_, cx| {
599 cx.new(|_| IncompatibleToolsTooltip {
600 incompatible_tools: incompatible_tools
601 .clone(),
602 })
603 .into()
604 }
605 }),
606 )
607 })
608 .children(self.render_max_mode_toggle(cx))
609 .child(self.model_selector.clone())
610 .map({
611 let focus_handle = focus_handle.clone();
612 move |parent| {
613 if is_generating {
614 parent
615 .when(is_editor_empty, |parent| {
616 parent.child(
617 IconButton::new(
618 "stop-generation",
619 IconName::StopFilled,
620 )
621 .icon_color(Color::Error)
622 .style(ButtonStyle::Tinted(
623 ui::TintColor::Error,
624 ))
625 .tooltip(move |window, cx| {
626 Tooltip::for_action(
627 "Stop Generation",
628 &editor::actions::Cancel,
629 window,
630 cx,
631 )
632 })
633 .on_click({
634 let focus_handle =
635 focus_handle.clone();
636 move |_event, window, cx| {
637 focus_handle.dispatch_action(
638 &editor::actions::Cancel,
639 window,
640 cx,
641 );
642 }
643 })
644 .with_animation(
645 "pulsating-label",
646 Animation::new(
647 Duration::from_secs(2),
648 )
649 .repeat()
650 .with_easing(pulsating_between(
651 0.4, 1.0,
652 )),
653 |icon_button, delta| {
654 icon_button.alpha(delta)
655 },
656 ),
657 )
658 })
659 .when(!is_editor_empty, |parent| {
660 parent.child(
661 IconButton::new(
662 "send-message",
663 IconName::Send,
664 )
665 .icon_color(Color::Accent)
666 .style(ButtonStyle::Filled)
667 .disabled(!is_model_selected)
668 .on_click({
669 let focus_handle =
670 focus_handle.clone();
671 move |_event, window, cx| {
672 focus_handle.dispatch_action(
673 &Chat, window, cx,
674 );
675 }
676 })
677 .tooltip(move |window, cx| {
678 Tooltip::for_action(
679 "Stop and Send New Message",
680 &Chat,
681 window,
682 cx,
683 )
684 }),
685 )
686 })
687 } else {
688 parent.child(
689 IconButton::new("send-message", IconName::Send)
690 .icon_color(Color::Accent)
691 .style(ButtonStyle::Filled)
692 .disabled(
693 is_editor_empty || !is_model_selected,
694 )
695 .on_click({
696 let focus_handle = focus_handle.clone();
697 move |_event, window, cx| {
698 focus_handle.dispatch_action(
699 &Chat, window, cx,
700 );
701 }
702 })
703 .when(
704 !is_editor_empty && is_model_selected,
705 |button| {
706 button.tooltip(move |window, cx| {
707 Tooltip::for_action(
708 "Send", &Chat, window, cx,
709 )
710 })
711 },
712 )
713 .when(is_editor_empty, |button| {
714 button.tooltip(Tooltip::text(
715 "Type a message to submit",
716 ))
717 })
718 .when(!is_model_selected, |button| {
719 button.tooltip(Tooltip::text(
720 "Select a model to continue",
721 ))
722 }),
723 )
724 }
725 }
726 }),
727 ),
728 ),
729 )
730 }
731
732 fn render_changed_buffers(
733 &self,
734 changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
735 window: &mut Window,
736 cx: &mut Context<Self>,
737 ) -> Div {
738 let focus_handle = self.editor.focus_handle(cx);
739
740 let editor_bg_color = cx.theme().colors().editor_background;
741 let border_color = cx.theme().colors().border;
742 let active_color = cx.theme().colors().element_selected;
743 let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
744
745 let is_edit_changes_expanded = self.edits_expanded;
746 let is_generating = self.thread.read(cx).is_generating();
747
748 v_flex()
749 .mt_1()
750 .mx_2()
751 .bg(bg_edit_files_disclosure)
752 .border_1()
753 .border_b_0()
754 .border_color(border_color)
755 .rounded_t_md()
756 .shadow(smallvec::smallvec![gpui::BoxShadow {
757 color: gpui::black().opacity(0.15),
758 offset: point(px(1.), px(-1.)),
759 blur_radius: px(3.),
760 spread_radius: px(0.),
761 }])
762 .child(
763 h_flex()
764 .id("edits-container")
765 .cursor_pointer()
766 .p_1p5()
767 .justify_between()
768 .when(is_edit_changes_expanded, |this| {
769 this.border_b_1().border_color(border_color)
770 })
771 .on_click(
772 cx.listener(|this, _, window, cx| this.handle_review_click(window, cx)),
773 )
774 .child(
775 h_flex()
776 .gap_1()
777 .child(
778 Disclosure::new("edits-disclosure", is_edit_changes_expanded)
779 .on_click(cx.listener(|this, _ev, _window, cx| {
780 this.edits_expanded = !this.edits_expanded;
781 cx.notify();
782 })),
783 )
784 .map(|this| {
785 if is_generating {
786 this.child(
787 AnimatedLabel::new(format!(
788 "Editing {} {}",
789 changed_buffers.len(),
790 if changed_buffers.len() == 1 {
791 "file"
792 } else {
793 "files"
794 }
795 ))
796 .size(LabelSize::Small),
797 )
798 } else {
799 this.child(
800 Label::new("Edits")
801 .size(LabelSize::Small)
802 .color(Color::Muted),
803 )
804 .child(
805 Label::new("•").size(LabelSize::XSmall).color(Color::Muted),
806 )
807 .child(
808 Label::new(format!(
809 "{} {}",
810 changed_buffers.len(),
811 if changed_buffers.len() == 1 {
812 "file"
813 } else {
814 "files"
815 }
816 ))
817 .size(LabelSize::Small)
818 .color(Color::Muted),
819 )
820 }
821 }),
822 )
823 .child(
824 Button::new("review", "Review Changes")
825 .label_size(LabelSize::Small)
826 .key_binding(
827 KeyBinding::for_action_in(
828 &OpenAgentDiff,
829 &focus_handle,
830 window,
831 cx,
832 )
833 .map(|kb| kb.size(rems_from_px(12.))),
834 )
835 .on_click(cx.listener(|this, _, window, cx| {
836 this.handle_review_click(window, cx)
837 })),
838 ),
839 )
840 .when(is_edit_changes_expanded, |parent| {
841 parent.child(
842 v_flex().children(changed_buffers.into_iter().enumerate().flat_map(
843 |(index, (buffer, _diff))| {
844 let file = buffer.read(cx).file()?;
845 let path = file.path();
846
847 let parent_label = path.parent().and_then(|parent| {
848 let parent_str = parent.to_string_lossy();
849
850 if parent_str.is_empty() {
851 None
852 } else {
853 Some(
854 Label::new(format!(
855 "/{}{}",
856 parent_str,
857 std::path::MAIN_SEPARATOR_STR
858 ))
859 .color(Color::Muted)
860 .size(LabelSize::XSmall)
861 .buffer_font(cx),
862 )
863 }
864 });
865
866 let name_label = path.file_name().map(|name| {
867 Label::new(name.to_string_lossy().to_string())
868 .size(LabelSize::XSmall)
869 .buffer_font(cx)
870 });
871
872 let file_icon = FileIcons::get_icon(&path, cx)
873 .map(Icon::from_path)
874 .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
875 .unwrap_or_else(|| {
876 Icon::new(IconName::File)
877 .color(Color::Muted)
878 .size(IconSize::Small)
879 });
880
881 let hover_color = cx
882 .theme()
883 .colors()
884 .element_background
885 .blend(cx.theme().colors().editor_foreground.opacity(0.025));
886
887 let overlay_gradient = linear_gradient(
888 90.,
889 linear_color_stop(editor_bg_color, 1.),
890 linear_color_stop(editor_bg_color.opacity(0.2), 0.),
891 );
892
893 let overlay_gradient_hover = linear_gradient(
894 90.,
895 linear_color_stop(hover_color, 1.),
896 linear_color_stop(hover_color.opacity(0.2), 0.),
897 );
898
899 let element = h_flex()
900 .group("edited-code")
901 .id(("file-container", index))
902 .cursor_pointer()
903 .relative()
904 .py_1()
905 .pl_2()
906 .pr_1()
907 .gap_2()
908 .justify_between()
909 .bg(cx.theme().colors().editor_background)
910 .hover(|style| style.bg(hover_color))
911 .when(index < changed_buffers.len() - 1, |parent| {
912 parent.border_color(border_color).border_b_1()
913 })
914 .child(
915 h_flex()
916 .id("file-name")
917 .pr_8()
918 .gap_1p5()
919 .max_w_full()
920 .overflow_x_scroll()
921 .child(file_icon)
922 .child(
923 h_flex()
924 .gap_0p5()
925 .children(name_label)
926 .children(parent_label),
927 ), // TODO: Implement line diff
928 // .child(Label::new("+").color(Color::Created))
929 // .child(Label::new("-").color(Color::Deleted)),
930 )
931 .child(
932 div().visible_on_hover("edited-code").child(
933 Button::new("review", "Review")
934 .label_size(LabelSize::Small)
935 .on_click({
936 let buffer = buffer.clone();
937 cx.listener(move |this, _, window, cx| {
938 this.handle_file_click(
939 buffer.clone(),
940 window,
941 cx,
942 );
943 })
944 }),
945 ),
946 )
947 .child(
948 div()
949 .id("gradient-overlay")
950 .absolute()
951 .h_5_6()
952 .w_12()
953 .bottom_0()
954 .right(px(52.))
955 .bg(overlay_gradient)
956 .group_hover("edited-code", |style| {
957 style.bg(overlay_gradient_hover)
958 }),
959 )
960 .on_click({
961 let buffer = buffer.clone();
962 cx.listener(move |this, _, window, cx| {
963 this.handle_file_click(buffer.clone(), window, cx);
964 })
965 });
966
967 Some(element)
968 },
969 )),
970 )
971 })
972 }
973
974 fn render_token_limit_callout(
975 &self,
976 line_height: Pixels,
977 token_usage_ratio: TokenUsageRatio,
978 cx: &mut Context<Self>,
979 ) -> Div {
980 let heading = if token_usage_ratio == TokenUsageRatio::Exceeded {
981 "Thread reached the token limit"
982 } else {
983 "Thread reaching the token limit soon"
984 };
985
986 h_flex()
987 .p_2()
988 .gap_2()
989 .flex_wrap()
990 .justify_between()
991 .bg(
992 if token_usage_ratio == TokenUsageRatio::Exceeded {
993 cx.theme().status().error_background.opacity(0.1)
994 } else {
995 cx.theme().status().warning_background.opacity(0.1)
996 })
997 .border_t_1()
998 .border_color(cx.theme().colors().border)
999 .child(
1000 h_flex()
1001 .gap_2()
1002 .items_start()
1003 .child(
1004 h_flex()
1005 .h(line_height)
1006 .justify_center()
1007 .child(
1008 if token_usage_ratio == TokenUsageRatio::Exceeded {
1009 Icon::new(IconName::X)
1010 .color(Color::Error)
1011 .size(IconSize::XSmall)
1012 } else {
1013 Icon::new(IconName::Warning)
1014 .color(Color::Warning)
1015 .size(IconSize::XSmall)
1016 }
1017 ),
1018 )
1019 .child(
1020 v_flex()
1021 .mr_auto()
1022 .child(Label::new(heading).size(LabelSize::Small))
1023 .child(
1024 Label::new(
1025 "Start a new thread from a summary to continue the conversation.",
1026 )
1027 .size(LabelSize::Small)
1028 .color(Color::Muted),
1029 ),
1030 ),
1031 )
1032 .child(
1033 Button::new("new-thread", "Start New Thread")
1034 .on_click(cx.listener(|this, _, window, cx| {
1035 let from_thread_id = Some(this.thread.read(cx).id().clone());
1036
1037 window.dispatch_action(Box::new(NewThread {
1038 from_thread_id
1039 }), cx);
1040 }))
1041 .icon(IconName::Plus)
1042 .icon_position(IconPosition::Start)
1043 .icon_size(IconSize::Small)
1044 .style(ButtonStyle::Tinted(ui::TintColor::Accent))
1045 .label_size(LabelSize::Small),
1046 )
1047 }
1048
1049 pub fn last_estimated_token_count(&self) -> Option<usize> {
1050 self.last_estimated_token_count
1051 }
1052
1053 pub fn is_waiting_to_update_token_count(&self) -> bool {
1054 self.update_token_count_task.is_some()
1055 }
1056
1057 fn reload_context(&mut self, cx: &mut Context<Self>) -> Task<Option<ContextLoadResult>> {
1058 let load_task = cx.spawn(async move |this, cx| {
1059 let Ok(load_task) = this.update(cx, |this, cx| {
1060 let new_context = this.context_store.read_with(cx, |context_store, cx| {
1061 context_store.new_context_for_thread(this.thread.read(cx), None)
1062 });
1063 load_context(new_context, &this.project, &this.prompt_store, cx)
1064 }) else {
1065 return;
1066 };
1067 let result = load_task.await;
1068 this.update(cx, |this, cx| {
1069 this.last_loaded_context = Some(result);
1070 this.load_context_task = None;
1071 this.message_or_context_changed(false, cx);
1072 })
1073 .ok();
1074 });
1075 // Replace existing load task, if any, causing it to be cancelled.
1076 let load_task = load_task.shared();
1077 self.load_context_task = Some(load_task.clone());
1078 cx.spawn(async move |this, cx| {
1079 load_task.await;
1080 this.read_with(cx, |this, _cx| this.last_loaded_context.clone())
1081 .ok()
1082 .flatten()
1083 })
1084 }
1085
1086 fn handle_message_changed(&mut self, cx: &mut Context<Self>) {
1087 self.message_or_context_changed(true, cx);
1088 }
1089
1090 fn message_or_context_changed(&mut self, debounce: bool, cx: &mut Context<Self>) {
1091 cx.emit(MessageEditorEvent::Changed);
1092 self.update_token_count_task.take();
1093
1094 let Some(model) = self.thread.read(cx).configured_model() else {
1095 self.last_estimated_token_count.take();
1096 return;
1097 };
1098
1099 let editor = self.editor.clone();
1100
1101 self.update_token_count_task = Some(cx.spawn(async move |this, cx| {
1102 if debounce {
1103 cx.background_executor()
1104 .timer(Duration::from_millis(200))
1105 .await;
1106 }
1107
1108 let token_count = if let Some(task) = this
1109 .update(cx, |this, cx| {
1110 let loaded_context = this
1111 .last_loaded_context
1112 .as_ref()
1113 .map(|context_load_result| &context_load_result.loaded_context);
1114 let message_text = editor.read(cx).text(cx);
1115
1116 if message_text.is_empty()
1117 && loaded_context.map_or(true, |loaded_context| loaded_context.is_empty())
1118 {
1119 return None;
1120 }
1121
1122 let mut request_message = LanguageModelRequestMessage {
1123 role: language_model::Role::User,
1124 content: Vec::new(),
1125 cache: false,
1126 };
1127
1128 if let Some(loaded_context) = loaded_context {
1129 loaded_context.add_to_request_message(&mut request_message);
1130 }
1131
1132 if !message_text.is_empty() {
1133 request_message
1134 .content
1135 .push(MessageContent::Text(message_text));
1136 }
1137
1138 let request = language_model::LanguageModelRequest {
1139 thread_id: None,
1140 prompt_id: None,
1141 mode: None,
1142 messages: vec![request_message],
1143 tools: vec![],
1144 stop: vec![],
1145 temperature: None,
1146 };
1147
1148 Some(model.model.count_tokens(request, cx))
1149 })
1150 .ok()
1151 .flatten()
1152 {
1153 task.await.log_err()
1154 } else {
1155 Some(0)
1156 };
1157
1158 this.update(cx, |this, cx| {
1159 if let Some(token_count) = token_count {
1160 this.last_estimated_token_count = Some(token_count);
1161 cx.emit(MessageEditorEvent::EstimatedTokenCount);
1162 }
1163 this.update_token_count_task.take();
1164 })
1165 .ok();
1166 }));
1167 }
1168}
1169
1170impl EventEmitter<MessageEditorEvent> for MessageEditor {}
1171
1172pub enum MessageEditorEvent {
1173 EstimatedTokenCount,
1174 Changed,
1175}
1176
1177impl Focusable for MessageEditor {
1178 fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
1179 self.editor.focus_handle(cx)
1180 }
1181}
1182
1183impl Render for MessageEditor {
1184 fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1185 let thread = self.thread.read(cx);
1186 let token_usage_ratio = thread
1187 .total_token_usage()
1188 .map_or(TokenUsageRatio::Normal, |total_token_usage| {
1189 total_token_usage.ratio()
1190 });
1191
1192 let action_log = self.thread.read(cx).action_log();
1193 let changed_buffers = action_log.read(cx).changed_buffers(cx);
1194
1195 let font_size = TextSize::Small.rems(cx);
1196 let line_height = font_size.to_pixels(window.rem_size()) * 1.5;
1197
1198 v_flex()
1199 .size_full()
1200 .when(changed_buffers.len() > 0, |parent| {
1201 parent.child(self.render_changed_buffers(&changed_buffers, window, cx))
1202 })
1203 .child(self.render_editor(font_size, line_height, window, cx))
1204 .when(token_usage_ratio != TokenUsageRatio::Normal, |parent| {
1205 parent.child(self.render_token_limit_callout(line_height, token_usage_ratio, cx))
1206 })
1207 }
1208}