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